From 5077c093b7dc6f43452d2b455e3a25b0cba4bae8 Mon Sep 17 00:00:00 2001 From: Mugen87 <michael.herzog@human-interactive.org> Date: Tue, 28 Jan 2025 11:05:07 +0100 Subject: [PATCH] Updated builds. --- build/three.webgpu.js | 51 +++++++++++++++------------------ build/three.webgpu.min.js | 2 +- build/three.webgpu.nodes.js | 51 +++++++++++++++------------------ build/three.webgpu.nodes.min.js | 2 +- 4 files changed, 48 insertions(+), 58 deletions(-) diff --git a/build/three.webgpu.js b/build/three.webgpu.js index f122bfbe938710..52ed630b714bd5 100644 --- a/build/three.webgpu.js +++ b/build/three.webgpu.js @@ -3,7 +3,7 @@ * Copyright 2010-2025 Three.js Authors * SPDX-License-Identifier: MIT */ -import { Color, Vector2, Vector3, Vector4, Matrix2, Matrix3, Matrix4, EventDispatcher, MathUtils, WebGLCoordinateSystem, WebGPUCoordinateSystem, ColorManagement, SRGBTransfer, NoToneMapping, StaticDrawUsage, InterleavedBuffer, DynamicDrawUsage, InterleavedBufferAttribute, NoColorSpace, UnsignedIntType, IntType, BackSide, CubeReflectionMapping, CubeRefractionMapping, TangentSpaceNormalMap, ObjectSpaceNormalMap, InstancedInterleavedBuffer, InstancedBufferAttribute, DataArrayTexture, FloatType, FramebufferTexture, LinearMipmapLinearFilter, DepthTexture, Material, NormalBlending, LineBasicMaterial, LineDashedMaterial, NoBlending, MeshNormalMaterial, WebGLCubeRenderTarget, BoxGeometry, Mesh, Scene, LinearFilter, CubeCamera, CubeTexture, EquirectangularReflectionMapping, EquirectangularRefractionMapping, AddOperation, MixOperation, MultiplyOperation, MeshBasicMaterial, MeshLambertMaterial, MeshPhongMaterial, Texture, MeshStandardMaterial, MeshPhysicalMaterial, MeshToonMaterial, MeshMatcapMaterial, SpriteMaterial, PointsMaterial, ShadowMaterial, Uint32BufferAttribute, Uint16BufferAttribute, DoubleSide, Camera, DepthStencilFormat, DepthFormat, UnsignedInt248Type, UnsignedByteType, RenderTarget, Plane, Object3D, HalfFloatType, LinearMipMapLinearFilter, OrthographicCamera, BufferGeometry, Float32BufferAttribute, BufferAttribute, UVMapping, Euler, LinearSRGBColorSpace, LessCompare, VSMShadowMap, RGFormat, BasicShadowMap, SphereGeometry, CubeUVReflectionMapping, PerspectiveCamera, RGBAFormat, LinearMipmapNearestFilter, NearestMipmapLinearFilter, Float16BufferAttribute, REVISION, ArrayCamera, WebXRController, RAD2DEG, SRGBColorSpace, PCFShadowMap, FrontSide, Frustum, DataTexture, RedIntegerFormat, RedFormat, RGIntegerFormat, RGBIntegerFormat, RGBFormat, RGBAIntegerFormat, UnsignedShortType, ByteType, ShortType, warnOnce, createCanvasElement, AddEquation, SubtractEquation, ReverseSubtractEquation, ZeroFactor, OneFactor, SrcColorFactor, SrcAlphaFactor, SrcAlphaSaturateFactor, DstColorFactor, DstAlphaFactor, OneMinusSrcColorFactor, OneMinusSrcAlphaFactor, OneMinusDstColorFactor, OneMinusDstAlphaFactor, CullFaceNone, CullFaceBack, CullFaceFront, CustomBlending, MultiplyBlending, SubtractiveBlending, AdditiveBlending, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessEqualDepth, LessDepth, AlwaysDepth, NeverDepth, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, AlphaFormat, LuminanceFormat, LuminanceAlphaFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, RED_GREEN_RGTC2_Format, SIGNED_RED_GREEN_RGTC2_Format, RepeatWrapping, ClampToEdgeWrapping, MirroredRepeatWrapping, NearestFilter, NearestMipmapNearestFilter, NeverCompare, AlwaysCompare, LessEqualCompare, EqualCompare, GreaterEqualCompare, GreaterCompare, NotEqualCompare, NotEqualStencilFunc, GreaterStencilFunc, GreaterEqualStencilFunc, EqualStencilFunc, LessEqualStencilFunc, LessStencilFunc, AlwaysStencilFunc, NeverStencilFunc, DecrementWrapStencilOp, IncrementWrapStencilOp, DecrementStencilOp, IncrementStencilOp, InvertStencilOp, ReplaceStencilOp, ZeroStencilOp, KeepStencilOp, MaxEquation, MinEquation, SpotLight, PointLight, DirectionalLight, RectAreaLight, AmbientLight, HemisphereLight, LightProbe, LinearToneMapping, ReinhardToneMapping, CineonToneMapping, ACESFilmicToneMapping, AgXToneMapping, NeutralToneMapping, Group, Loader, FileLoader, MaterialLoader, ObjectLoader } from './three.core.js'; +import { Color, Vector2, Vector3, Vector4, Matrix2, Matrix3, Matrix4, EventDispatcher, MathUtils, WebGLCoordinateSystem, WebGPUCoordinateSystem, ColorManagement, SRGBTransfer, NoToneMapping, StaticDrawUsage, InterleavedBuffer, DynamicDrawUsage, InterleavedBufferAttribute, NoColorSpace, UnsignedIntType, IntType, BackSide, CubeReflectionMapping, CubeRefractionMapping, TangentSpaceNormalMap, ObjectSpaceNormalMap, InstancedInterleavedBuffer, InstancedBufferAttribute, DataArrayTexture, FloatType, FramebufferTexture, LinearMipmapLinearFilter, DepthTexture, Material, NormalBlending, LineBasicMaterial, LineDashedMaterial, NoBlending, MeshNormalMaterial, WebGLCubeRenderTarget, BoxGeometry, Mesh, Scene, LinearFilter, CubeCamera, CubeTexture, EquirectangularReflectionMapping, EquirectangularRefractionMapping, AddOperation, MixOperation, MultiplyOperation, MeshBasicMaterial, MeshLambertMaterial, MeshPhongMaterial, Texture, MeshStandardMaterial, MeshPhysicalMaterial, MeshToonMaterial, MeshMatcapMaterial, SpriteMaterial, PointsMaterial, ShadowMaterial, arrayNeedsUint32, Uint32BufferAttribute, Uint16BufferAttribute, DoubleSide, Camera, DepthStencilFormat, DepthFormat, UnsignedInt248Type, UnsignedByteType, RenderTarget, Plane, Object3D, HalfFloatType, LinearMipMapLinearFilter, OrthographicCamera, BufferGeometry, Float32BufferAttribute, BufferAttribute, UVMapping, Euler, LinearSRGBColorSpace, LessCompare, VSMShadowMap, RGFormat, BasicShadowMap, SphereGeometry, CubeUVReflectionMapping, PerspectiveCamera, RGBAFormat, LinearMipmapNearestFilter, NearestMipmapLinearFilter, Float16BufferAttribute, REVISION, ArrayCamera, WebXRController, RAD2DEG, SRGBColorSpace, PCFShadowMap, FrontSide, Frustum, DataTexture, RedIntegerFormat, RedFormat, RGIntegerFormat, RGBIntegerFormat, RGBFormat, RGBAIntegerFormat, UnsignedShortType, ByteType, ShortType, warnOnce, createCanvasElement, AddEquation, SubtractEquation, ReverseSubtractEquation, ZeroFactor, OneFactor, SrcColorFactor, SrcAlphaFactor, SrcAlphaSaturateFactor, DstColorFactor, DstAlphaFactor, OneMinusSrcColorFactor, OneMinusSrcAlphaFactor, OneMinusDstColorFactor, OneMinusDstAlphaFactor, CullFaceNone, CullFaceBack, CullFaceFront, CustomBlending, MultiplyBlending, SubtractiveBlending, AdditiveBlending, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessEqualDepth, LessDepth, AlwaysDepth, NeverDepth, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, AlphaFormat, LuminanceFormat, LuminanceAlphaFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, RED_GREEN_RGTC2_Format, SIGNED_RED_GREEN_RGTC2_Format, RepeatWrapping, ClampToEdgeWrapping, MirroredRepeatWrapping, NearestFilter, NearestMipmapNearestFilter, NeverCompare, AlwaysCompare, LessEqualCompare, EqualCompare, GreaterEqualCompare, GreaterCompare, NotEqualCompare, NotEqualStencilFunc, GreaterStencilFunc, GreaterEqualStencilFunc, EqualStencilFunc, LessEqualStencilFunc, LessStencilFunc, AlwaysStencilFunc, NeverStencilFunc, DecrementWrapStencilOp, IncrementWrapStencilOp, DecrementStencilOp, IncrementStencilOp, InvertStencilOp, ReplaceStencilOp, ZeroStencilOp, KeepStencilOp, MaxEquation, MinEquation, SpotLight, PointLight, DirectionalLight, RectAreaLight, AmbientLight, HemisphereLight, LightProbe, LinearToneMapping, ReinhardToneMapping, CineonToneMapping, ACESFilmicToneMapping, AgXToneMapping, NeutralToneMapping, Group, Loader, FileLoader, MaterialLoader, ObjectLoader } from './three.core.js'; export { AdditiveAnimationBlendMode, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BasicDepthPacking, BatchedMesh, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxHelper, BufferGeometryLoader, Cache, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CircleGeometry, Clock, ColorKeyframeTrack, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, ConstantAlphaFactor, ConstantColorFactor, Controls, CubeTextureLoader, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceFrontBack, Curve, CurvePath, CustomToneMapping, CylinderGeometry, Cylindrical, Data3DTexture, DataTextureLoader, DataUtils, DefaultLoadingManager, DetachedBindMode, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DynamicCopyUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, ExtrudeGeometry, Fog, FogExp2, GLBufferAttribute, GLSL1, GLSL3, GridHelper, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, InstancedBufferGeometry, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, KeyframeTrack, LOD, LatheGeometry, Layers, Light, Line, Line3, LineCurve, LineCurve3, LineLoop, LineSegments, LinearInterpolant, LinearMipMapNearestFilter, LinearTransfer, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, MOUSE, MeshDepthMaterial, MeshDistanceMaterial, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NormalAnimationBlendMode, NumberKeyframeTrack, OctahedronGeometry, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, PCFSoftShadowMap, Path, PlaneGeometry, PlaneHelper, PointLightHelper, Points, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RGBADepthPacking, RGBDepthPacking, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGDepthPacking, RawShaderMaterial, Ray, Raycaster, RenderTarget3D, RenderTargetArray, RingGeometry, ShaderMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, Skeleton, SkeletonHelper, SkinnedMesh, Source, Sphere, Spherical, SphericalHarmonics3, SplineCurve, SpotLightHelper, Sprite, StaticCopyUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, TOUCH, TetrahedronGeometry, TextureLoader, TextureUtils, TimestampQuery, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLRenderTarget, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroSlopeEnding } from './three.core.js'; const refreshUniforms = [ @@ -151,6 +151,7 @@ class NodeMaterialObserver { data = { material: this.getMaterialData( material ), geometry: { + id: geometry.id, attributes: this.getAttributesData( geometry.attributes ), indexVersion: geometry.index ? geometry.index.version : null, drawRange: { start: geometry.drawRange.start, count: geometry.drawRange.count } @@ -370,6 +371,13 @@ class NodeMaterialObserver { const storedAttributeNames = Object.keys( storedAttributes ); const currentAttributeNames = Object.keys( attributes ); + if ( storedGeometryData.id !== geometry.id ) { + + storedGeometryData.id = geometry.id; + return false; + + } + if ( storedAttributeNames.length !== currentAttributeNames.length ) { renderObjectData.geometry.attributes = this.getAttributesData( attributes ); @@ -2734,6 +2742,8 @@ class InputNode extends Node { } +const _regNum = /float|u?int/; + /** * Class for representing a constant value in the shader. * @@ -2784,6 +2794,12 @@ class ConstNode extends InputNode { const type = this.getNodeType( builder ); + if ( _regNum.test( type ) && _regNum.test( output ) ) { + + return builder.generateConst( output, this.value ); + + } + return builder.format( this.generateConst( builder ), type, output ); } @@ -13278,9 +13294,9 @@ class BatchNode extends Node { const getIndirectIndex = Fn( ( [ id ] ) => { - const size = textureSize( textureLoad( this.batchMesh._indirectTexture ), 0 ); - const x = int( id ).modInt( int( size ) ); - const y = int( id ).div( int( size ) ); + const size = int( textureSize( textureLoad( this.batchMesh._indirectTexture ), 0 ) ); + const x = int( id ).modInt( size ); + const y = int( id ).div( size ); return textureLoad( this.batchMesh._indirectTexture, ivec2( x, y ) ).x; } ).setLayout( { @@ -20095,7 +20111,7 @@ const blur = /*@__PURE__*/ Fn( ( { n, latitudinal, poleAxis, outputDirection, we axis.assign( normalize( axis ) ); const gl_FragColor = vec3().toVar(); - gl_FragColor.addAssign( weights.element( int( 0 ) ).mul( getSample( { theta: 0.0, axis, outputDirection, mipInt, envMap, CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP } ) ) ); + gl_FragColor.addAssign( weights.element( 0 ).mul( getSample( { theta: 0.0, axis, outputDirection, mipInt, envMap, CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP } ) ) ); Loop( { start: int( 1 ), end: n }, ( { i } ) => { @@ -24052,28 +24068,6 @@ class Attributes extends DataMap { } -/** - * Returns `true` if the given array has values that require an Uint32 array type. - * - * @private - * @function - * @param {Array<Number>} array - The array to test. - * @return {Boolean} Whether the given array has values that require an Uint32 array type or not. - */ -function arrayNeedsUint32( array ) { - - // assumes larger values usually on last - - for ( let i = array.length - 1; i >= 0; -- i ) { - - if ( array[ i ] >= 65535 ) return true; // account for PRIMITIVE_RESTART_FIXED_INDEX, #24565 - - } - - return false; - -} - /** * Returns the wireframe version for the given geometry. * @@ -56517,6 +56511,7 @@ class WebGLTimestampQueryPool extends TimestampQueryPool { // Check if we have enough space for a new query pair if ( this.currentQueryIndex + 2 > this.maxQueries ) { + warnOnce( `WebGPUTimestampQueryPool [${ this.type }]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${ this.type.toUpperCase() } ).` ); return null; } @@ -65622,7 +65617,7 @@ class WebGPUTimestampQueryPool extends TimestampQueryPool { if ( this.currentQueryIndex + 2 > this.maxQueries ) { - warnOnce( 'WebGPUTimestampQueryPool: Maximum number of queries exceeded.' ); + warnOnce( `WebGPUTimestampQueryPool [${ this.type }]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${ this.type.toUpperCase() } ).` ); return null; } diff --git a/build/three.webgpu.min.js b/build/three.webgpu.min.js index 52cbd8c61e578e..89002a36b5b90a 100644 --- a/build/three.webgpu.min.js +++ b/build/three.webgpu.min.js @@ -3,4 +3,4 @@ * Copyright 2010-2025 Three.js Authors * SPDX-License-Identifier: MIT */ -import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as o,EventDispatcher as a,MathUtils as u,WebGLCoordinateSystem as l,WebGPUCoordinateSystem as d,ColorManagement as c,SRGBTransfer as h,NoToneMapping as p,StaticDrawUsage as g,InterleavedBuffer as m,DynamicDrawUsage as f,InterleavedBufferAttribute as y,NoColorSpace as x,UnsignedIntType as b,IntType as T,BackSide as _,CubeReflectionMapping as v,CubeRefractionMapping as N,TangentSpaceNormalMap as S,ObjectSpaceNormalMap as A,InstancedInterleavedBuffer as R,InstancedBufferAttribute as C,DataArrayTexture as E,FloatType as w,FramebufferTexture as M,LinearMipmapLinearFilter as B,DepthTexture as F,Material as U,NormalBlending as P,LineBasicMaterial as I,LineDashedMaterial as L,NoBlending as D,MeshNormalMaterial as V,WebGLCubeRenderTarget as O,BoxGeometry as G,Mesh as k,Scene as z,LinearFilter as $,CubeCamera as W,CubeTexture as H,EquirectangularReflectionMapping as j,EquirectangularRefractionMapping as q,AddOperation as X,MixOperation as K,MultiplyOperation as Y,MeshBasicMaterial as Q,MeshLambertMaterial as Z,MeshPhongMaterial as J,Texture as ee,MeshStandardMaterial as te,MeshPhysicalMaterial as re,MeshToonMaterial as se,MeshMatcapMaterial as ie,SpriteMaterial as ne,PointsMaterial as oe,ShadowMaterial as ae,Uint32BufferAttribute as ue,Uint16BufferAttribute as le,DoubleSide as de,Camera as ce,DepthStencilFormat as he,DepthFormat as pe,UnsignedInt248Type as ge,UnsignedByteType as me,RenderTarget as fe,Plane as ye,Object3D as xe,HalfFloatType as be,LinearMipMapLinearFilter as Te,OrthographicCamera as _e,BufferGeometry as ve,Float32BufferAttribute as Ne,BufferAttribute as Se,UVMapping as Ae,Euler as Re,LinearSRGBColorSpace as Ce,LessCompare as Ee,VSMShadowMap as we,RGFormat as Me,BasicShadowMap as Be,SphereGeometry as Fe,CubeUVReflectionMapping as Ue,PerspectiveCamera as Pe,RGBAFormat as Ie,LinearMipmapNearestFilter as Le,NearestMipmapLinearFilter as De,Float16BufferAttribute as Ve,REVISION as Oe,ArrayCamera as Ge,WebXRController as ke,RAD2DEG as ze,SRGBColorSpace as $e,PCFShadowMap as We,FrontSide as He,Frustum as je,DataTexture as qe,RedIntegerFormat as Xe,RedFormat as Ke,RGIntegerFormat as Ye,RGBIntegerFormat as Qe,RGBFormat as Ze,RGBAIntegerFormat as Je,UnsignedShortType as et,ByteType as tt,ShortType as rt,warnOnce as st,createCanvasElement as it,AddEquation as nt,SubtractEquation as ot,ReverseSubtractEquation as at,ZeroFactor as ut,OneFactor as lt,SrcColorFactor as dt,SrcAlphaFactor as ct,SrcAlphaSaturateFactor as ht,DstColorFactor as pt,DstAlphaFactor as gt,OneMinusSrcColorFactor as mt,OneMinusSrcAlphaFactor as ft,OneMinusDstColorFactor as yt,OneMinusDstAlphaFactor as xt,CullFaceNone as bt,CullFaceBack as Tt,CullFaceFront as _t,CustomBlending as vt,MultiplyBlending as Nt,SubtractiveBlending as St,AdditiveBlending as At,NotEqualDepth as Rt,GreaterDepth as Ct,GreaterEqualDepth as Et,EqualDepth as wt,LessEqualDepth as Mt,LessDepth as Bt,AlwaysDepth as Ft,NeverDepth as Ut,UnsignedShort4444Type as Pt,UnsignedShort5551Type as It,UnsignedInt5999Type as Lt,AlphaFormat as Dt,LuminanceFormat as Vt,LuminanceAlphaFormat as Ot,RGB_S3TC_DXT1_Format as Gt,RGBA_S3TC_DXT1_Format as kt,RGBA_S3TC_DXT3_Format as zt,RGBA_S3TC_DXT5_Format as $t,RGB_PVRTC_4BPPV1_Format as Wt,RGB_PVRTC_2BPPV1_Format as Ht,RGBA_PVRTC_4BPPV1_Format as jt,RGBA_PVRTC_2BPPV1_Format as qt,RGB_ETC1_Format as Xt,RGB_ETC2_Format as Kt,RGBA_ETC2_EAC_Format as Yt,RGBA_ASTC_4x4_Format as Qt,RGBA_ASTC_5x4_Format as Zt,RGBA_ASTC_5x5_Format as Jt,RGBA_ASTC_6x5_Format as er,RGBA_ASTC_6x6_Format as tr,RGBA_ASTC_8x5_Format as rr,RGBA_ASTC_8x6_Format as sr,RGBA_ASTC_8x8_Format as ir,RGBA_ASTC_10x5_Format as nr,RGBA_ASTC_10x6_Format as or,RGBA_ASTC_10x8_Format as ar,RGBA_ASTC_10x10_Format as ur,RGBA_ASTC_12x10_Format as lr,RGBA_ASTC_12x12_Format as dr,RGBA_BPTC_Format as cr,RED_RGTC1_Format as hr,SIGNED_RED_RGTC1_Format as pr,RED_GREEN_RGTC2_Format as gr,SIGNED_RED_GREEN_RGTC2_Format as mr,RepeatWrapping as fr,ClampToEdgeWrapping as yr,MirroredRepeatWrapping as xr,NearestFilter as br,NearestMipmapNearestFilter as Tr,NeverCompare as _r,AlwaysCompare as vr,LessEqualCompare as Nr,EqualCompare as Sr,GreaterEqualCompare as Ar,GreaterCompare as Rr,NotEqualCompare as Cr,NotEqualStencilFunc as Er,GreaterStencilFunc as wr,GreaterEqualStencilFunc as Mr,EqualStencilFunc as Br,LessEqualStencilFunc as Fr,LessStencilFunc as Ur,AlwaysStencilFunc as Pr,NeverStencilFunc as Ir,DecrementWrapStencilOp as Lr,IncrementWrapStencilOp as Dr,DecrementStencilOp as Vr,IncrementStencilOp as Or,InvertStencilOp as Gr,ReplaceStencilOp as kr,ZeroStencilOp as zr,KeepStencilOp as $r,MaxEquation as Wr,MinEquation as Hr,SpotLight as jr,PointLight as qr,DirectionalLight as Xr,RectAreaLight as Kr,AmbientLight as Yr,HemisphereLight as Qr,LightProbe as Zr,LinearToneMapping as Jr,ReinhardToneMapping as es,CineonToneMapping as ts,ACESFilmicToneMapping as rs,AgXToneMapping as ss,NeutralToneMapping as is,Group as ns,Loader as os,FileLoader as as,MaterialLoader as us,ObjectLoader as ls}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,CylinderGeometry,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LinearTransfer,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,PCFSoftShadowMap,Path,PlaneGeometry,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,Quaternion,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGB_BPTC_SIGNED_Format,RGB_BPTC_UNSIGNED_Format,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RenderTargetArray,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Sphere,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,TimestampQuery,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding}from"./three.core.min.js";const ds=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveMap","envMap","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"];class cs{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=ds,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}getRenderObjectData(e){let t=this.renderObjects.get(e);if(void 0===t){const{geometry:r,material:s,object:i}=e;if(t={material:this.getMaterialData(s),geometry:{attributes:this.getAttributesData(r.attributes),indexVersion:r.index?r.index.version:null,drawRange:{start:r.drawRange.start,count:r.drawRange.count}},worldMatrix:i.matrixWorld.clone()},i.center&&(t.center=i.center.clone()),i.morphTargetInfluences&&(t.morphTargetInfluences=i.morphTargetInfluences.slice()),null!==e.bundle&&(t.version=e.bundle.version),t.material.transmission>0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return null!==e.renderer.nodes.modelViewMatrix||null!==e.renderer.nodes.modelNormalViewMatrix}getMaterialData(e){const t={};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:s.version}:t[r]=s.clone():t[r]=s)}return t}equals(e){const{object:t,material:r,geometry:s}=e,i=this.getRenderObjectData(e);if(!0!==i.worldMatrix.equals(t.matrixWorld))return i.worldMatrix.copy(t.matrixWorld),!1;const n=i.material;for(const e in n){const t=n[e],s=r[e];if(void 0!==t.equals){if(!1===t.equals(s))return t.copy(s),!1}else if(!0===s.isTexture){if(t.id!==s.id||t.version!==s.version)return t.id=s.id,t.version=s.version,!1}else if(t!==s)return n[e]=s,!1}if(n.transmission>0){const{width:t,height:r}=e.context;if(i.bufferWidth!==t||i.bufferHeight!==r)return i.bufferWidth=t,i.bufferHeight=r,!1}const o=i.geometry,a=s.attributes,u=o.attributes,l=Object.keys(u),d=Object.keys(a);if(l.length!==d.length)return i.geometry.attributes=this.getAttributesData(a),!1;for(const e of l){const t=u[e],r=a[e];if(void 0===r)return delete u[e],!1;if(t.version!==r.version)return t.version=r.version,!1}const c=s.index,h=o.indexVersion,p=c?c.version:null;if(h!==p)return o.indexVersion=p,!1;if(o.drawRange.start!==s.drawRange.start||o.drawRange.count!==s.drawRange.count)return o.drawRange.start=s.drawRange.start,o.drawRange.count=s.drawRange.count,!1;if(i.morphTargetInfluences){let e=!1;for(let r=0;r<i.morphTargetInfluences.length;r++)i.morphTargetInfluences[r]!==t.morphTargetInfluences[r]&&(e=!0);if(e)return!0}return i.center&&!1===i.center.equals(t.center)?(i.center.copy(t.center),!0):(null!==e.bundle&&(i.version=e.bundle.version),!0)}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e))return!0;const{renderId:r}=t;if(this.renderId!==r)return this.renderId=r,!0;const s=!0===e.object.static,i=null!==e.bundle&&!0===e.bundle.static&&this.getRenderObjectData(e).version===e.bundle.version;if(s||i)return!1;return!0!==this.equals(e)}}function hs(e,t=0){let r=3735928559^t,s=1103547991^t;if(e instanceof Array)for(let t,i=0;i<e.length;i++)t=e[i],r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);else for(let t,i=0;i<e.length;i++)t=e.charCodeAt(i),r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);return r=Math.imul(r^r>>>16,2246822507),r^=Math.imul(s^s>>>13,3266489909),s=Math.imul(s^s>>>16,2246822507),s^=Math.imul(r^r>>>13,3266489909),4294967296*(2097151&s)+(r>>>0)}const ps=e=>hs(e),gs=e=>hs(e),ms=(...e)=>hs(e);function fs(e,t=!1){const r=[];!0===e.isNode&&(r.push(e.id),e=e.getSelf());for(const{property:s,childNode:i}of ys(e))r.push(hs(s.slice(0,-4)),i.getCacheKey(t));return hs(r)}function*ys(e,t=!1){for(const r in e){if(!0===r.startsWith("_"))continue;const s=e[r];if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&(!0===i.isNode||t&&"function"==typeof i.toJSON)&&(yield{property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)yield{property:r,childNode:s};else if("object"==typeof s)for(const e in s){const i=s[e];i&&(!0===i.isNode||t&&"function"==typeof i.toJSON)&&(yield{property:r,index:e,childNode:i})}}}const xs=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),bs=new WeakMap;function Ts(e){return xs.get(e)}function _s(e){if(/[iu]?vec\d/.test(e))return e.startsWith("ivec")?Int32Array:e.startsWith("uvec")?Uint32Array:Float32Array;if(/mat\d/.test(e))return Float32Array;if(/float/.test(e))return Float32Array;if(/uint/.test(e))return Uint32Array;if(/int/.test(e))return Int32Array;throw new Error(`THREE.NodeUtils: Unsupported type: ${e}`)}function vs(e){return/float|int|uint/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?9:/mat4/.test(e)?16:void console.error("THREE.TSL: Unsupported type:",e)}function Ns(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function Ss(a,...u){const l=a?a.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===a?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new o(...u):"bool"===a?u[0]||!1:"float"===a||"int"===a||"uint"===a?u[0]||0:"string"===a?u[0]||"":"ArrayBuffer"===a?Cs(u[0]):null}function As(e){let t=bs.get(e);return void 0===t&&(t={},bs.set(e,t)),t}function Rs(e){let t="";const r=new Uint8Array(e);for(let e=0;e<r.length;e++)t+=String.fromCharCode(r[e]);return btoa(t)}function Cs(e){return Uint8Array.from(atob(e),(e=>e.charCodeAt(0))).buffer}var Es=Object.freeze({__proto__:null,arrayBufferToBase64:Rs,base64ToArrayBuffer:Cs,getCacheKey:fs,getDataFromObject:As,getLengthFromType:vs,getNodeChildren:ys,getTypeFromLength:Ts,getTypedArrayFromType:_s,getValueFromType:Ss,getValueType:Ns,hash:ms,hashArray:gs,hashString:ps});const ws={VERTEX:"vertex",FRAGMENT:"fragment"},Ms={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},Bs={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},Fs={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},Us=["fragment","vertex"],Ps=["setup","analyze","generate"],Is=[...Us,"compute"],Ls=["x","y","z","w"];let Ds=0;class Vs extends a{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=Ms.NONE,this.updateBeforeType=Ms.NONE,this.updateAfterType=Ms.NONE,this.uuid=u.generateUUID(),this.version=0,this.global=!1,this.isNode=!0,this._cacheKey=null,this._cacheKeyVersion=0,Object.defineProperty(this,"id",{value:Ds++})}set needsUpdate(e){!0===e&&this.version++}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this.getSelf()),this}onFrameUpdate(e){return this.onUpdate(e,Ms.FRAME)}onRenderUpdate(e){return this.onUpdate(e,Ms.RENDER)}onObjectUpdate(e){return this.onUpdate(e,Ms.OBJECT)}onReference(e){return this.updateReference=e.bind(this.getSelf()),this}getSelf(){return this.self||this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of ys(this))yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}getCacheKey(e=!1){return!0!==(e=e||this.version!==this._cacheKeyVersion)&&null!==this._cacheKey||(this._cacheKey=ms(fs(this,e),this.customCacheKey()),this._cacheKeyVersion=this.version),this._cacheKey}customCacheKey(){return 0}getScope(){return this}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getNodeType(e){const t=e.getNodeProperties(this);return t.outputNode?t.outputNode.getNodeType(e):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e){if(1===e.increaseUsage(this)){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){console.warn("Abstract function.")}updateAfter(){console.warn("Abstract function.")}update(){console.warn("Abstract function.")}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);e.addNode(this),e.addChain(this);let s=null;const i=e.getBuildStage();if("setup"===i){this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0;const r=this.setup(e),s=r&&!0===r.isNode;for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e);s&&r.build(e),t.outputNode=r}}else if("analyze"===i)this.analyze(e);else if("generate"===i){if(1===this.generate.length){const r=this.getNodeType(e),i=e.getDataFromNode(this);s=i.snippet,void 0===s?(s=this.generate(e)||"",i.snippet=s):void 0!==i.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),s=e.format(s,r,t)}else s=this.generate(e,t)||""}return e.removeChain(this),e.addSequentialNode(this),s}getSerializeChildren(){return ys(this)}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.6,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}class Os extends Vs{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}getNodeType(e){return this.node.getElementType(e)}generate(e){return`${this.node.build(e)}[ ${this.indexNode.build(e,"uint")} ]`}}class Gs extends Vs{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}getNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class ks extends Vs{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),o=e.getPropertyName(n);return e.addLineFlowCode(`${o} = ${i}`,this),s.snippet=i,s.propertyName=o,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class zs extends ks{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}getNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce(((t,r)=>t+e.getTypeLength(r.getNodeType(e))),0))}generate(e,t){const r=this.getNodeType(e),s=this.nodes,i=e.getComponentType(r),n=[];for(const t of s){let r=t.build(e);const s=e.getComponentType(t.getNodeType(e));s!==i&&(r=e.format(r,s,i)),n.push(r)}const o=`${e.getType(r)}( ${n.join(", ")} )`;return e.format(o,r,t)}}const $s=Ls.join("");class Ws extends Vs{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(Ls.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}getNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const o=r.build(e,n);i=this.components.length===s&&this.components===$s.slice(0,this.components.length)?e.format(o,n,t):e.format(`${o}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class Hs extends ks{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),o=e.getTypeFromLength(r.length,n),a=s.build(e,o),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=Ls[e];t===r[0]?(d.push(a),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class js extends ks{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),o=e.getPropertyName(n);e.addLineFlowCode(o+" = "+i,this);const a=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<a;e++){const r=Ls[e];r===t[l]?(u.push("1.0 - "+o+"."+r),l++):u.push(o+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class qs extends Vs{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}getNodeType(){return null===this.nodeType?Ns(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=Ns(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=Rs(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?Ss(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){console.warn("Abstract function.")}}class Xs extends qs{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return e.format(this.generateConst(e),r,t)}}let Ks=null;const Ys=new Map;function Qs(e,t){if(Ys.has(e))console.warn(`Redefinition of method chaining ${e}`);else{if("function"!=typeof t)throw new Error(`Node element ${e} is not a function`);Ys.set(e,t)}}const Zs=e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"),Js=e=>Zs(e).split("").sort().join(""),ei={setup(e,t){const r=t.shift();return e(Ai(r),...t)},get(e,t,r){if("string"==typeof t&&void 0===e[t]){if(!0!==e.isStackNode&&"assign"===t)return(...e)=>(Ks.assign(r,...e),r);if(Ys.has(t)){const s=Ys.get(t);return e.isStackNode?(...e)=>r.add(s(...e)):(...e)=>s(r,...e)}if("self"===t)return e;if(t.endsWith("Assign")&&Ys.has(t.slice(0,t.length-6))){const s=Ys.get(t.slice(0,t.length-6));return e.isStackNode?(...e)=>r.assign(e[0],s(...e)):(...e)=>r.assign(s(r,...e))}if(!0===/^[xyzwrgbastpq]{1,4}$/.test(t))return t=Zs(t),Si(new Ws(r,t));if(!0===/^set[XYZWRGBASTPQ]{1,4}$/.test(t))return t=Js(t.slice(3).toLowerCase()),r=>Si(new Hs(e,t,r));if(!0===/^flip[XYZWRGBASTPQ]{1,4}$/.test(t))return t=Js(t.slice(4).toLowerCase()),()=>Si(new js(Si(e),t));if("width"===t||"height"===t||"depth"===t)return"width"===t?t="x":"height"===t?t="y":"depth"===t&&(t="z"),Si(new Ws(e,t));if(!0===/^\d+$/.test(t))return Si(new Os(r,new Xs(Number(t),"uint")))}return Reflect.get(e,t,r)},set:(e,t,r,s)=>"string"!=typeof t||void 0!==e[t]||!0!==/^[xyzwrgbastpq]{1,4}$/.test(t)&&"width"!==t&&"height"!==t&&"depth"!==t&&!0!==/^\d+$/.test(t)?Reflect.set(e,t,r,s):(s[t].assign(r),!0)},ti=new WeakMap,ri=new WeakMap,si=function(e,t=null){for(const r in e)e[r]=Si(e[r],t);return e},ii=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=Si(e[s],t);return e},ni=function(e,t=null,r=null,s=null){const i=e=>Si(null!==s?Object.assign(e,s):e);return null===t?(...t)=>i(new e(...Ri(t))):null!==r?(r=Si(r),(...s)=>i(new e(t,...Ri(s),r))):(...r)=>i(new e(t,...Ri(r)))},oi=function(e,...t){return Si(new e(...Ri(t)))};class ai extends Vs{constructor(e,t){super(),this.shaderNode=e,this.inputNodes=t}getNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}call(e){const{shaderNode:t,inputNodes:r}=this,s=e.getNodeProperties(t);if(s.onceOutput)return s.onceOutput;let i=null;if(t.layout){let s=ri.get(e.constructor);void 0===s&&(s=new WeakMap,ri.set(e.constructor,s));let n=s.get(t);void 0===n&&(n=Si(e.buildFunctionNode(t)),s.set(t,n)),null!==e.currentFunctionNode&&e.currentFunctionNode.includes.push(n),i=Si(n.call(r))}else{const s=t.jsFunc,n=null!==r||s.length>1?s(r||[],e):s(e);i=Si(n)}return t.once&&(s.onceOutput=i),i}getOutputNode(e){const t=e.getNodeProperties(this);return null===t.outputNode&&(t.outputNode=this.setupOutput(e)),t.outputNode}setup(e){return this.getOutputNode(e)}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}generate(e,t){return this.getOutputNode(e).build(e,t)}}class ui extends Vs{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}call(e=null){return Ai(e),Si(new ai(this,e))}setup(){return this.call()}}const li=[!1,!0],di=[0,1,2,3],ci=[-1,-2],hi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],pi=new Map;for(const e of li)pi.set(e,new Xs(e));const gi=new Map;for(const e of di)gi.set(e,new Xs(e,"uint"));const mi=new Map([...gi].map((e=>new Xs(e.value,"int"))));for(const e of ci)mi.set(e,new Xs(e,"int"));const fi=new Map([...mi].map((e=>new Xs(e.value))));for(const e of hi)fi.set(e,new Xs(e));for(const e of hi)fi.set(-e,new Xs(-e));const yi={bool:pi,uint:gi,ints:mi,float:fi},xi=new Map([...pi,...fi]),bi=(e,t)=>xi.has(e)?xi.get(e):!0===e.isNode?e:new Xs(e,t),Ti=function(e,t=null){return(...r)=>{if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every((e=>"object"!=typeof e)))&&(r=[Ss(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return Si(t.get(r[0]));if(1===r.length){const t=bi(r[0],e);return(e=>{try{return e.getNodeType()}catch(e){return}})(t)===e?Si(t):Si(new Gs(t,e))}const s=r.map((e=>bi(e)));return Si(new zs(s,e))}},_i=e=>"object"==typeof e&&null!==e?e.value:e,vi=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function Ni(e,t){return new Proxy(new ui(e,t),ei)}const Si=(e,t=null)=>function(e,t=null){const r=Ns(e);if("node"===r){let t=ti.get(e);return void 0===t&&(t=new Proxy(e,ei),ti.set(e,t),ti.set(t,t)),t}return null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?Si(bi(e,t)):"shader"===r?wi(e):e}(e,t),Ai=(e,t=null)=>new si(e,t),Ri=(e,t=null)=>new ii(e,t),Ci=(...e)=>new ni(...e),Ei=(...e)=>new oi(...e),wi=(e,t)=>{const r=new Ni(e,t),s=(...e)=>{let t;return Ai(e),t=e[0]&&e[0].isNode?[...e]:e[0],r.call(t)};return s.shaderNode=r,s.setLayout=e=>(r.setLayout(e),s),s.once=()=>(r.once=!0,s),s};Qs("toGlobal",(e=>(e.global=!0,e)));const Mi=e=>{Ks=e},Bi=()=>Ks,Fi=(...e)=>Ks.If(...e);function Ui(e){return Ks&&Ks.add(e),e}Qs("append",Ui);const Pi=new Ti("color"),Ii=new Ti("float",yi.float),Li=new Ti("int",yi.ints),Di=new Ti("uint",yi.uint),Vi=new Ti("bool",yi.bool),Oi=new Ti("vec2"),Gi=new Ti("ivec2"),ki=new Ti("uvec2"),zi=new Ti("bvec2"),$i=new Ti("vec3"),Wi=new Ti("ivec3"),Hi=new Ti("uvec3"),ji=new Ti("bvec3"),qi=new Ti("vec4"),Xi=new Ti("ivec4"),Ki=new Ti("uvec4"),Yi=new Ti("bvec4"),Qi=new Ti("mat2"),Zi=new Ti("mat3"),Ji=new Ti("mat4");Qs("toColor",Pi),Qs("toFloat",Ii),Qs("toInt",Li),Qs("toUint",Di),Qs("toBool",Vi),Qs("toVec2",Oi),Qs("toIVec2",Gi),Qs("toUVec2",ki),Qs("toBVec2",zi),Qs("toVec3",$i),Qs("toIVec3",Wi),Qs("toUVec3",Hi),Qs("toBVec3",ji),Qs("toVec4",qi),Qs("toIVec4",Xi),Qs("toUVec4",Ki),Qs("toBVec4",Yi),Qs("toMat2",Qi),Qs("toMat3",Zi),Qs("toMat4",Ji);const en=Ci(Os),tn=(e,t)=>Si(new Gs(Si(e),t));Qs("element",en),Qs("convert",tn);class rn extends ks{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getNodeType(e){return null===this.nodeType&&(this.nodeType=this.values[0].getNodeType(e)),this.nodeType}getElementType(e){return this.getNodeType(e)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const sn=(...e)=>{let t;if(1===e.length){const r=e[0];t=new rn(null,r.length,r)}else{const r=e[0],s=e[1];t=new rn(r,s)}return Si(t)};Qs("toArray",((e,t)=>sn(Array(t).fill(e))));class nn extends Vs{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1){super("string"),this.name=e,this.shared=t,this.order=r,this.isUniformGroup=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const on=e=>new nn(e),an=(e,t=0)=>new nn(e,!0,t),un=an("frame"),ln=an("render"),dn=on("object");class cn extends qs{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=dn}label(e){return this.name=e,this}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){const r=this.getSelf();return e=e.bind(r),super.onUpdate((t=>{const s=e(t,r);void 0!==s&&(this.value=s)}),t)}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),o=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.label),a=e.getPropertyName(o);return void 0!==e.context.label&&delete e.context.label,e.format(a,r,t)}}const hn=(e,t)=>{const r=vi(t||e),s=e&&!0===e.isNode?e.node&&e.node.value||e.value:e;return Si(new cn(s,r))};class pn extends Vs{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1){super(e),this.name=t,this.varying=r,this.isPropertyNode=!0}getHash(e){return this.name||super.getHash(e)}isGlobal(){return!0}generate(e){let t;return!0===this.varying?(t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0):t=e.getVarFromNode(this,this.name),e.getPropertyName(t)}}const gn=(e,t)=>Si(new pn(e,t)),mn=(e,t)=>Si(new pn(e,t,!0)),fn=Ei(pn,"vec4","DiffuseColor"),yn=Ei(pn,"vec3","EmissiveColor"),xn=Ei(pn,"float","Roughness"),bn=Ei(pn,"float","Metalness"),Tn=Ei(pn,"float","Clearcoat"),_n=Ei(pn,"float","ClearcoatRoughness"),vn=Ei(pn,"vec3","Sheen"),Nn=Ei(pn,"float","SheenRoughness"),Sn=Ei(pn,"float","Iridescence"),An=Ei(pn,"float","IridescenceIOR"),Rn=Ei(pn,"float","IridescenceThickness"),Cn=Ei(pn,"float","AlphaT"),En=Ei(pn,"float","Anisotropy"),wn=Ei(pn,"vec3","AnisotropyT"),Mn=Ei(pn,"vec3","AnisotropyB"),Bn=Ei(pn,"color","SpecularColor"),Fn=Ei(pn,"float","SpecularF90"),Un=Ei(pn,"float","Shininess"),Pn=Ei(pn,"vec4","Output"),In=Ei(pn,"float","dashSize"),Ln=Ei(pn,"float","gapSize"),Dn=Ei(pn,"float","pointWidth"),Vn=Ei(pn,"float","IOR"),On=Ei(pn,"float","Transmission"),Gn=Ei(pn,"float","Thickness"),kn=Ei(pn,"float","AttenuationDistance"),zn=Ei(pn,"color","AttenuationColor"),$n=Ei(pn,"float","Dispersion");class Wn extends ks{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t}hasDependencies(){return!1}getNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return Ls.join("").slice(0,r)!==t.components}return!1}generate(e,t){const{targetNode:r,sourceNode:s}=this,i=this.needsSplitAssign(e),n=r.getNodeType(e),o=r.context({assign:!0}).build(e),a=s.build(e,n),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=o);else if(i){const s=e.getVarFromNode(this,null,n),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${a}`,this);const u=r.node.context({assign:!0}).build(e);for(let t=0;t<r.components.length;t++){const s=r.components[t];e.addLineFlowCode(`${u}.${s} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=o)}else d=`${o} = ${a}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=o));return l.initialized=!0,e.format(d,n,t)}}const Hn=Ci(Wn);Qs("assign",Hn);class jn extends ks{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}getNodeType(e){return this.functionNode.getNodeType(e)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i))for(let e=0;e<i.length;e++)t.push(n(i[e],s[e]));else for(const e of s){const r=i[e.name];if(void 0===r)throw new Error(`FunctionCallNode: Input '${e.name}' not found in FunctionNode.`);t.push(n(r,e))}return`${r.build(e,"property")}( ${t.join(", ")} )`}}const qn=(e,...t)=>(t=t.length>1||t[0]&&!0===t[0].isNode?Ri(t):Ai(t[0]),Si(new jn(Si(e),t)));Qs("call",qn);class Xn extends ks{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new Xn(e,t,r);for(let t=0;t<s.length-1;t++)i=new Xn(e,i,s[t]);t=i,r=s[s.length-1]}this.op=e,this.aNode=t,this.bNode=r,this.isOperatorNode=!0}getNodeType(e,t){const r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),o=void 0!==i?i.getNodeType(e):null;if("void"===n||"void"===o)return"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("!"===r||"=="===r||"&&"===r||"||"===r||"^^"===r)return"bool";if("<"===r||">"===r||"<="===r||">="===r){const r=t?e.getTypeLength(t):Math.max(e.getTypeLength(n),e.getTypeLength(o));return r>1?`bvec${r}`:"bool"}if(e.isMatrix(n)){if("float"===o)return n;if(e.isVector(o))return e.getVectorFromMatrix(n);if(e.isMatrix(o))return n}else if(e.isMatrix(o)){if("float"===n)return o;if(e.isVector(n))return e.getVectorFromMatrix(o)}return e.getTypeLength(o)>e.getTypeLength(n)?o:n}generate(e,t){const r=this.op,s=this.aNode,i=this.bNode,n=this.getNodeType(e,t);let o=null,a=null;"void"!==n?(o=s.getNodeType(e),a=void 0!==i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r?e.isVector(o)?a=o:o!==a&&(o=a="float"):">>"===r||"<<"===r?(o=n,a=e.changeComponentType(a,"uint")):e.isMatrix(o)?"float"===a?a="float":e.isVector(a)?a=e.getVectorFromMatrix(o):e.isMatrix(a)||(o=a=n):o=e.isMatrix(a)?"float"===o?"float":e.isVector(o)?e.getVectorFromMatrix(a):a=n:a=n):o=a=n;const u=s.build(e,o),l=void 0!==i?i.build(e,a):null,d=e.getTypeLength(t),c=e.getFunctionOperator(r);return"void"!==t?"<"===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("lessThan",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} < ${l} )`,n,t):"<="===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("lessThanEqual",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} <= ${l} )`,n,t):">"===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("greaterThan",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} > ${l} )`,n,t):">="===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("greaterThanEqual",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} >= ${l} )`,n,t):"!"===r||"~"===r?e.format(`(${r}${u})`,o,t):c?e.format(`${c}( ${u}, ${l} )`,n,t):e.isMatrix(o)&&"float"===a?e.format(`( ${l} ${r} ${u} )`,n,t):"float"===o&&e.isMatrix(a)?e.format(`${u} ${r} ${l}`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t):"void"!==o?c?e.format(`${c}( ${u}, ${l} )`,n,t):e.isMatrix(o)&&"float"===a?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t):void 0}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Kn=Ci(Xn,"+"),Yn=Ci(Xn,"-"),Qn=Ci(Xn,"*"),Zn=Ci(Xn,"/"),Jn=Ci(Xn,"%"),eo=Ci(Xn,"=="),to=Ci(Xn,"!="),ro=Ci(Xn,"<"),so=Ci(Xn,">"),io=Ci(Xn,"<="),no=Ci(Xn,">="),oo=Ci(Xn,"&&"),ao=Ci(Xn,"||"),uo=Ci(Xn,"!"),lo=Ci(Xn,"^^"),co=Ci(Xn,"&"),ho=Ci(Xn,"~"),po=Ci(Xn,"|"),go=Ci(Xn,"^"),mo=Ci(Xn,"<<"),fo=Ci(Xn,">>");Qs("add",Kn),Qs("sub",Yn),Qs("mul",Qn),Qs("div",Zn),Qs("modInt",Jn),Qs("equal",eo),Qs("notEqual",to),Qs("lessThan",ro),Qs("greaterThan",so),Qs("lessThanEqual",io),Qs("greaterThanEqual",no),Qs("and",oo),Qs("or",ao),Qs("not",uo),Qs("xor",lo),Qs("bitAnd",co),Qs("bitNot",ho),Qs("bitOr",po),Qs("bitXor",go),Qs("shiftLeft",mo),Qs("shiftRight",fo);const yo=(...e)=>(console.warn("TSL.OperatorNode: .remainder() has been renamed to .modInt()."),Jn(...e));Qs("remainder",yo);class xo extends ks{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){super(),this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),o=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>o?t:n>o?r:o>i?s:t}getNodeType(e){const t=this.method;return t===xo.LENGTH||t===xo.DISTANCE||t===xo.DOT?"float":t===xo.CROSS?"vec3":t===xo.ALL?"bool":t===xo.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):t===xo.MOD?this.aNode.getNodeType(e):this.getInputType(e)}generate(e,t){let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,o=this.bNode,a=this.cNode,u=e.renderer.coordinateSystem;if(r===xo.TRANSFORM_DIRECTION){let r=n,s=o;e.isMatrix(r.getNodeType(e))?s=qi($i(s),0):r=qi($i(r),0);const i=Qn(r,s).xyz;return Io(i).build(e,t)}if(r===xo.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);if(r===xo.ONE_MINUS)return Yn(1,n).build(e,t);if(r===xo.RECIPROCAL)return Zn(1,n).build(e,t);if(r===xo.DIFFERENCE)return $o(Yn(n,o)).build(e,t);{const c=[];return r===xo.CROSS||r===xo.MOD?c.push(n.build(e,s),o.build(e,s)):u===l&&r===xo.STEP?c.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),o.build(e,i)):u===l&&(r===xo.MIN||r===xo.MAX)||r===xo.MOD?c.push(n.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):r===xo.REFRACT?c.push(n.build(e,i),o.build(e,i),a.build(e,"float")):r===xo.MIX?c.push(n.build(e,i),o.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)):(u===d&&r===xo.ATAN&&null!==o&&(r="atan2"),c.push(n.build(e,i)),null!==o&&c.push(o.build(e,i)),null!==a&&c.push(a.build(e,i))),e.format(`${e.getMethod(r,s)}( ${c.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}xo.ALL="all",xo.ANY="any",xo.RADIANS="radians",xo.DEGREES="degrees",xo.EXP="exp",xo.EXP2="exp2",xo.LOG="log",xo.LOG2="log2",xo.SQRT="sqrt",xo.INVERSE_SQRT="inversesqrt",xo.FLOOR="floor",xo.CEIL="ceil",xo.NORMALIZE="normalize",xo.FRACT="fract",xo.SIN="sin",xo.COS="cos",xo.TAN="tan",xo.ASIN="asin",xo.ACOS="acos",xo.ATAN="atan",xo.ABS="abs",xo.SIGN="sign",xo.LENGTH="length",xo.NEGATE="negate",xo.ONE_MINUS="oneMinus",xo.DFDX="dFdx",xo.DFDY="dFdy",xo.ROUND="round",xo.RECIPROCAL="reciprocal",xo.TRUNC="trunc",xo.FWIDTH="fwidth",xo.TRANSPOSE="transpose",xo.BITCAST="bitcast",xo.EQUALS="equals",xo.MIN="min",xo.MAX="max",xo.MOD="mod",xo.STEP="step",xo.REFLECT="reflect",xo.DISTANCE="distance",xo.DIFFERENCE="difference",xo.DOT="dot",xo.CROSS="cross",xo.POW="pow",xo.TRANSFORM_DIRECTION="transformDirection",xo.MIX="mix",xo.CLAMP="clamp",xo.REFRACT="refract",xo.SMOOTHSTEP="smoothstep",xo.FACEFORWARD="faceforward";const bo=Ii(1e-6),To=Ii(1e6),_o=Ii(Math.PI),vo=Ii(2*Math.PI),No=Ci(xo,xo.ALL),So=Ci(xo,xo.ANY),Ao=Ci(xo,xo.RADIANS),Ro=Ci(xo,xo.DEGREES),Co=Ci(xo,xo.EXP),Eo=Ci(xo,xo.EXP2),wo=Ci(xo,xo.LOG),Mo=Ci(xo,xo.LOG2),Bo=Ci(xo,xo.SQRT),Fo=Ci(xo,xo.INVERSE_SQRT),Uo=Ci(xo,xo.FLOOR),Po=Ci(xo,xo.CEIL),Io=Ci(xo,xo.NORMALIZE),Lo=Ci(xo,xo.FRACT),Do=Ci(xo,xo.SIN),Vo=Ci(xo,xo.COS),Oo=Ci(xo,xo.TAN),Go=Ci(xo,xo.ASIN),ko=Ci(xo,xo.ACOS),zo=Ci(xo,xo.ATAN),$o=Ci(xo,xo.ABS),Wo=Ci(xo,xo.SIGN),Ho=Ci(xo,xo.LENGTH),jo=Ci(xo,xo.NEGATE),qo=Ci(xo,xo.ONE_MINUS),Xo=Ci(xo,xo.DFDX),Ko=Ci(xo,xo.DFDY),Yo=Ci(xo,xo.ROUND),Qo=Ci(xo,xo.RECIPROCAL),Zo=Ci(xo,xo.TRUNC),Jo=Ci(xo,xo.FWIDTH),ea=Ci(xo,xo.TRANSPOSE),ta=Ci(xo,xo.BITCAST),ra=Ci(xo,xo.EQUALS),sa=Ci(xo,xo.MIN),ia=Ci(xo,xo.MAX),na=Ci(xo,xo.MOD),oa=Ci(xo,xo.STEP),aa=Ci(xo,xo.REFLECT),ua=Ci(xo,xo.DISTANCE),la=Ci(xo,xo.DIFFERENCE),da=Ci(xo,xo.DOT),ca=Ci(xo,xo.CROSS),ha=Ci(xo,xo.POW),pa=Ci(xo,xo.POW,2),ga=Ci(xo,xo.POW,3),ma=Ci(xo,xo.POW,4),fa=Ci(xo,xo.TRANSFORM_DIRECTION),ya=e=>Qn(Wo(e),ha($o(e),1/3)),xa=e=>da(e,e),ba=Ci(xo,xo.MIX),Ta=(e,t=0,r=1)=>Si(new xo(xo.CLAMP,Si(e),Si(t),Si(r))),_a=e=>Ta(e),va=Ci(xo,xo.REFRACT),Na=Ci(xo,xo.SMOOTHSTEP),Sa=Ci(xo,xo.FACEFORWARD),Aa=wi((([e])=>{const t=da(e.xy,Oi(12.9898,78.233)),r=na(t,_o);return Lo(Do(r).mul(43758.5453))})),Ra=(e,t,r)=>ba(t,r,e),Ca=(e,t,r)=>Na(t,r,e),Ea=(e,t)=>(console.warn('THREE.TSL: "atan2" is overloaded. Use "atan" instead.'),zo(e,t)),wa=Sa,Ma=Fo;Qs("all",No),Qs("any",So),Qs("equals",ra),Qs("radians",Ao),Qs("degrees",Ro),Qs("exp",Co),Qs("exp2",Eo),Qs("log",wo),Qs("log2",Mo),Qs("sqrt",Bo),Qs("inverseSqrt",Fo),Qs("floor",Uo),Qs("ceil",Po),Qs("normalize",Io),Qs("fract",Lo),Qs("sin",Do),Qs("cos",Vo),Qs("tan",Oo),Qs("asin",Go),Qs("acos",ko),Qs("atan",zo),Qs("abs",$o),Qs("sign",Wo),Qs("length",Ho),Qs("lengthSq",xa),Qs("negate",jo),Qs("oneMinus",qo),Qs("dFdx",Xo),Qs("dFdy",Ko),Qs("round",Yo),Qs("reciprocal",Qo),Qs("trunc",Zo),Qs("fwidth",Jo),Qs("atan2",Ea),Qs("min",sa),Qs("max",ia),Qs("mod",na),Qs("step",oa),Qs("reflect",aa),Qs("distance",ua),Qs("dot",da),Qs("cross",ca),Qs("pow",ha),Qs("pow2",pa),Qs("pow3",ga),Qs("pow4",ma),Qs("transformDirection",fa),Qs("mix",Ra),Qs("clamp",Ta),Qs("refract",va),Qs("smoothstep",Ca),Qs("faceForward",Sa),Qs("difference",la),Qs("saturate",_a),Qs("cbrt",ya),Qs("transpose",ea),Qs("rand",Aa);class Ba extends Vs{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}getNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return this.setup(e),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode.cache(),r=this.ifNode.cache(),s=this.elseNode?this.elseNode.cache():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.getNodeProperties(this);n.condNode=t,n.ifNode=r.context({nodeBlock:r}),n.elseNode=s?s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:o}=e.getNodeProperties(this),a="void"!==t,u=a?gn(r).build(e):"";s.nodeProperty=u;const l=i.build(e,"bool");e.addFlowCode(`\n${e.tab}if ( ${l} ) {\n\n`).addFlowTab();let d=n.build(e,r);if(d&&(d=a?u+" = "+d+";":"return "+d+";"),e.removeFlowTab().addFlowCode(e.tab+"\t"+d+"\n\n"+e.tab+"}"),null!==o){e.addFlowCode(" else {\n\n").addFlowTab();let t=o.build(e,r);t&&(t=a?u+" = "+t+";":"return "+t+";"),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(u,r,t)}}const Fa=Ci(Ba);Qs("select",Fa);const Ua=(...e)=>(console.warn("TSL.ConditionalNode: cond() has been renamed to select()."),Fa(...e));Qs("cond",Ua);class Pa extends Vs{static get type(){return"ContextNode"}constructor(e,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}getNodeType(e){return this.node.getNodeType(e)}analyze(e){this.node.build(e)}setup(e){const t=e.getContext();e.setContext({...e.context,...this.value});const r=this.node.build(e);return e.setContext(t),r}generate(e,t){const r=e.getContext();e.setContext({...e.context,...this.value});const s=this.node.build(e,t);return e.setContext(r),s}}const Ia=Ci(Pa),La=(e,t)=>Ia(e,{label:t});Qs("context",Ia),Qs("label",La);class Da extends Vs{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r}getHash(e){return this.name||super.getHash(e)}getElementType(e){return this.node.getElementType(e)}getNodeType(e){return this.node.getNodeType(e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let o=!1,a=!1;s&&(o=e.isDeterministic(t),a=n?s:o);const u=e.getVectorType(this.getNodeType(e)),l=t.build(e,u),d=e.getVarFromNode(this,r,u,void 0,a),c=e.getPropertyName(d);let h=c;if(a)if(n)h=o?`const ${c}`:`let ${c}`;else{const r=e.getArrayCount(t);h=`const ${e.getVar(d.type,c,r)}`}return e.addLineFlowCode(`${h} = ${l}`,this),c}}const Va=Ci(Da),Oa=(e,t=null)=>Va(e,t).append(),Ga=(e,t=null)=>Va(e,t,!0).append();Qs("toVar",Oa),Qs("toConst",Ga);const ka=e=>(console.warn('TSL: "temp( node )" is deprecated. Use "Var( node )" or "node.toVar()" instead.'),Va(e));Qs("temp",ka);class za extends Vs{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=e,this.name=t,this.isVaryingNode=!0}isGlobal(){return!0}getHash(e){return this.name||super.getHash(e)}getNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e);t.varying=r=e.getVaryingFromNode(this,s,i),t.node=this.node}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e)}analyze(e){return this.setupVarying(e),this.node.analyze(e)}generate(e){const t=e.getNodeProperties(this),r=this.setupVarying(e),s="fragment"===e.shaderStage&&!0===t.reassignPosition&&e.context.needsPositionReassign;if(void 0===t.propertyName||s){const i=this.getNodeType(e),n=e.getPropertyName(r,ws.VERTEX);e.flowNodeFromShaderStage(ws.VERTEX,this.node,i,n),t.propertyName=n,s?t.reassignPosition=!1:void 0===t.reassignPosition&&e.context.isPositionNodeInput&&(t.reassignPosition=!0)}return e.getPropertyName(r)}}const $a=Ci(za),Wa=e=>$a(e);Qs("toVarying",$a),Qs("toVertexStage",Wa),Qs("varying",((...e)=>(console.warn("TSL.VaryingNode: .varying() has been renamed to .toVarying()."),$a(...e)))),Qs("vertexStage",((...e)=>(console.warn("TSL.VaryingNode: .vertexStage() has been renamed to .toVertexStage()."),$a(...e))));const Ha=wi((([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return ba(t,r,s)})).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),ja=wi((([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return ba(t,r,s)})).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),qa="WorkingColorSpace",Xa="OutputColorSpace";class Ka extends ks{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===qa?c.workingColorSpace:t===Xa?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==c.enabled&&r!==s&&r&&s?(c.getTransfer(r)===h&&(i=qi(Ha(i.rgb),i.a)),c.getPrimaries(r)!==c.getPrimaries(s)&&(i=qi(Zi(c._getMatrix(new n,r,s)).mul(i.rgb),i.a)),c.getTransfer(s)===h&&(i=qi(ja(i.rgb),i.a)),i):i}}const Ya=e=>Si(new Ka(Si(e),qa,Xa)),Qa=e=>Si(new Ka(Si(e),Xa,qa)),Za=(e,t)=>Si(new Ka(Si(e),qa,t)),Ja=(e,t)=>Si(new Ka(Si(e),t,qa));Qs("toOutputColorSpace",Ya),Qs("toWorkingColorSpace",Qa),Qs("workingToColorSpace",Za),Qs("colorSpaceToWorking",Ja);let eu=class extends Os{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class tu extends Vs{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=Ms.OBJECT}setGroup(e){return this.group=e,this}element(e){return Si(new eu(this,Si(e)))}setNodeType(e){const t=hn(null,e).getSelf();null!==this.group&&t.setGroup(this.group),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class ru extends tu{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(ln)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const su=(e,t,r=null)=>Si(new ru(e,t,r));class iu extends ks{static get type(){return"ToneMappingNode"}constructor(e,t=ou,r=null){super("vec3"),this.toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return ms(this.toneMapping)}setup(e){const t=this.colorNode||e.context.color,r=this.toneMapping;if(r===p)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=qi(i(t.rgb,this.exposureNode),t.a):(console.error("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const nu=(e,t,r)=>Si(new iu(e,Si(t),Si(r))),ou=su("toneMappingExposure","float");Qs("toneMapping",((e,t,r)=>nu(t,r,e)));class au extends qs{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=g,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){if(0===this.bufferStride&&0===this.bufferOffset){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=this.value,s=e.getTypeLength(t),i=this.bufferStride||s,n=this.bufferOffset,o=!0===r.isInterleavedBuffer?r:new m(r,i),a=new y(o,s,n);o.setUsage(this.usage),this.attribute=a,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.getBufferAttributeFromNode(this,t),s=e.getPropertyName(r);let i=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=s,i=s;else{i=$a(this).build(e,t)}return i}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}const uu=(e,t=null,r=0,s=0)=>Si(new au(e,t,r,s)),lu=(e,t=null,r=0,s=0)=>uu(e,t,r,s).setUsage(f),du=(e,t=null,r=0,s=0)=>uu(e,t,r,s).setInstanced(!0),cu=(e,t=null,r=0,s=0)=>lu(e,t,r,s).setInstanced(!0);Qs("toAttribute",(e=>uu(e.value)));class hu extends Vs{static get type(){return"ComputeNode"}constructor(e,t,r=[64]){super("void"),this.isComputeNode=!0,this.computeNode=e,this.count=t,this.workgroupSize=r,this.dispatchCount=0,this.version=1,this.name="",this.updateBeforeType=Ms.OBJECT,this.onInitFunction=null,this.updateDispatchCount()}dispose(){this.dispatchEvent({type:"dispose"})}label(e){return this.name=e,this}updateDispatchCount(){const{count:e,workgroupSize:t}=this;let r=t[0];for(let e=1;e<t.length;e++)r*=t[e];this.dispatchCount=Math.ceil(e/r)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}generate(e){const{shaderStage:t}=e;if("compute"===t){const t=this.computeNode.build(e,"void");""!==t&&e.addLineFlowCode(t,this)}}}const pu=(e,t,r)=>Si(new hu(Si(e),t,r));Qs("compute",pu);class gu extends Vs{static get type(){return"CacheNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isCacheNode=!0}getNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}}const mu=(e,t)=>Si(new gu(Si(e),t));Qs("cache",mu);class fu extends Vs{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}getNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const yu=Ci(fu);Qs("bypass",yu);class xu extends Vs{static get type(){return"RemapNode"}constructor(e,t,r,s=Ii(0),i=Ii(1)){super(),this.node=e,this.inLowNode=t,this.inHighNode=r,this.outLowNode=s,this.outHighNode=i,this.doClamp=!0}setup(){const{node:e,inLowNode:t,inHighNode:r,outLowNode:s,outHighNode:i,doClamp:n}=this;let o=e.sub(t).div(r.sub(t));return!0===n&&(o=o.clamp()),o.mul(i.sub(s)).add(s)}}const bu=Ci(xu,null,null,{doClamp:!1}),Tu=Ci(xu);Qs("remap",bu),Qs("remapClamp",Tu);class _u extends Vs{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(`( ${s} )`,r,t);e.addLineFlowCode(s,this)}}const vu=Ci(_u),Nu=e=>(e?Fa(e,vu("discard")):vu("discard")).append();Qs("discard",Nu);class Su extends ks{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setup({context:e}){let t=this.colorNode||e.color;const r=(null!==this.toneMapping?this.toneMapping:e.toneMapping)||p,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||x;return r!==p&&(t=t.toneMapping(r)),s!==x&&s!==c.workingColorSpace&&(t=t.workingToColorSpace(s)),t}}const Au=(e,t=null,r=null)=>Si(new Su(Si(e),t,r));Qs("renderOutput",Au);class Ru extends Vs{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}getNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return $a(this).build(e,r)}return console.warn(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const Cu=(e,t)=>Si(new Ru(e,t)),Eu=(e=0)=>Cu("uv"+(e>0?e:""),"vec2");class wu extends Vs{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const Mu=Ci(wu);class Bu extends cn{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=Ms.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Fu=Ci(Bu);class Uu extends cn{static get type(){return"TextureNode"}constructor(e,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=Ms.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return!0===this.value.isDepthTexture?"float":this.value.type===b?"uvec4":this.value.type===T?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return Eu(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=hn(this.value.matrix)),this._matrixUniform.mul($i(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this.updateType=e?Ms.RENDER:Ms.NONE,this}setupUV(e,t){const r=this.value;return e.isFlipY()&&(r.image instanceof ImageBitmap&&!0===r.flipY||!0===r.isRenderTargetTexture||!0===r.isFramebufferTexture||!0===r.isDepthTexture)&&(t=this.sampler?t.flipY():t.setY(Li(Mu(this,this.levelNode).y).sub(t.y).sub(1))),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Error("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().");let s=this.uvNode;null!==s&&!0!==e.context.forceUVContext||!e.context.getUV||(s=e.context.getUV(this)),s||(s=this.getDefaultUV()),!0===this.updateMatrix&&(s=this.getTransformedUV(s)),s=this.setupUV(e,s);let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this)),t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=this.compareNode,t.gradNode=this.gradNode,t.depthNode=this.depthNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateSnippet(e,t,r,s,i,n,o,a){const u=this.value;let l;return l=s?e.generateTextureLevel(u,t,r,s,n):i?e.generateTextureBias(u,t,r,i,n):a?e.generateTextureGrad(u,t,r,a,n):o?e.generateTextureCompare(u,t,r,o,n):!1===this.sampler?e.generateTextureLoad(u,t,r,n):e.generateTexture(u,t,r,n),l}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if("sampler"===t)return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this);let o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:r,biasNode:a,compareNode:u,depthNode:l,gradNode:d}=s,c=this.generateUV(e,t),h=r?r.build(e,"float"):null,p=a?a.build(e,"float"):null,g=l?l.build(e,"int"):null,m=u?u.build(e,"float"):null,f=d?[d[0].build(e,"vec2"),d[1].build(e,"vec2")]:null,y=e.getVarFromNode(this);o=e.getPropertyName(y);const x=this.generateSnippet(e,i,c,h,p,g,m,f);e.addLineFlowCode(`${o} = ${x}`,this),n.snippet=x,n.propertyName=o}let a=o;const u=this.getNodeType(e);return e.needsToWorkingColorSpace(r)&&(a=Ja(vu(a,u),r.colorSpace).setup(e).build(e,u)),e.format(a,u,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}uv(e){return console.warn("THREE.TextureNode: .uv() has been renamed. Use .sample() instead."),this.sample(e)}sample(e){const t=this.clone();return t.uvNode=Si(e),t.referenceNode=this.getSelf(),Si(t)}blur(e){const t=this.clone();return t.biasNode=Si(e).mul(Fu(t)),t.referenceNode=this.getSelf(),Si(t)}level(e){const t=this.clone();return t.levelNode=Si(e),t.referenceNode=this.getSelf(),Si(t)}size(e){return Mu(this,e)}bias(e){const t=this.clone();return t.biasNode=Si(e),t.referenceNode=this.getSelf(),Si(t)}compare(e){const t=this.clone();return t.compareNode=Si(e),t.referenceNode=this.getSelf(),Si(t)}grad(e,t){const r=this.clone();return r.gradNode=[Si(e),Si(t)],r.referenceNode=this.getSelf(),Si(r)}depth(e){const t=this.clone();return t.depthNode=Si(e),t.referenceNode=this.getSelf(),Si(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix()}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e}}const Pu=Ci(Uu),Iu=(...e)=>Pu(...e).setSampler(!1);class Lu extends cn{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const Du=(e,t,r)=>Si(new Lu(e,t,r));class Vu extends Os{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(),s=this.node.getPaddedType();return e.format(t,s,r)}}class Ou extends Lu{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?Ns(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=Ms.RENDER,this.isArrayBufferNode=!0}getNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,super.setup(e)}element(e){return Si(new Vu(this,Si(e)))}}const Gu=(e,t)=>Si(new Ou(e,t)),ku=hn(0,"uint").setGroup(an("cameraIndex")).toVarying("v_cameraIndex"),zu=hn("float").label("cameraNear").setGroup(ln).onRenderUpdate((({camera:e})=>e.near)),$u=hn("float").label("cameraFar").setGroup(ln).onRenderUpdate((({camera:e})=>e.far)),Wu=wi((({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);t=Gu(r).setGroup(ln).label("cameraProjectionMatrices").element(ku).toVar("cameraProjectionMatrix")}else t=hn("mat4").label("cameraProjectionMatrix").setGroup(ln).onRenderUpdate((({camera:e})=>e.projectionMatrix));return t})).once()(),Hu=hn("mat4").label("cameraProjectionMatrixInverse").setGroup(ln).onRenderUpdate((({camera:e})=>e.projectionMatrixInverse)),ju=wi((({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);t=Gu(r).setGroup(ln).label("cameraViewMatrices").element(ku).toVar("cameraViewMatrix")}else t=hn("mat4").label("cameraViewMatrix").setGroup(ln).onRenderUpdate((({camera:e})=>e.matrixWorldInverse));return t})).once()(),qu=hn("mat4").label("cameraWorldMatrix").setGroup(ln).onRenderUpdate((({camera:e})=>e.matrixWorld)),Xu=hn("mat3").label("cameraNormalMatrix").setGroup(ln).onRenderUpdate((({camera:e})=>e.normalMatrix)),Ku=hn(new r).label("cameraPosition").setGroup(ln).onRenderUpdate((({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld)));class Yu extends Vs{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=Ms.OBJECT,this._uniformNode=new cn(null)}getNodeType(){const e=this.scope;return e===Yu.WORLD_MATRIX?"mat4":e===Yu.POSITION||e===Yu.VIEW_POSITION||e===Yu.DIRECTION||e===Yu.SCALE?"vec3":void 0}update(e){const t=this.object3d,s=this._uniformNode,i=this.scope;if(i===Yu.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===Yu.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===Yu.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===Yu.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===Yu.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}}generate(e){const t=this.scope;return t===Yu.WORLD_MATRIX?this._uniformNode.nodeType="mat4":t!==Yu.POSITION&&t!==Yu.VIEW_POSITION&&t!==Yu.DIRECTION&&t!==Yu.SCALE||(this._uniformNode.nodeType="vec3"),this._uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}Yu.WORLD_MATRIX="worldMatrix",Yu.POSITION="position",Yu.SCALE="scale",Yu.VIEW_POSITION="viewPosition",Yu.DIRECTION="direction";const Qu=Ci(Yu,Yu.DIRECTION),Zu=Ci(Yu,Yu.WORLD_MATRIX),Ju=Ci(Yu,Yu.POSITION),el=Ci(Yu,Yu.SCALE),tl=Ci(Yu,Yu.VIEW_POSITION);class rl extends Yu{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const sl=Ei(rl,rl.DIRECTION),il=Ei(rl,rl.WORLD_MATRIX),nl=Ei(rl,rl.POSITION),ol=Ei(rl,rl.SCALE),al=Ei(rl,rl.VIEW_POSITION),ul=hn(new n).onObjectUpdate((({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld))),ll=hn(new o).onObjectUpdate((({object:e},t)=>t.value.copy(e.matrixWorld).invert())),dl=wi((e=>e.renderer.nodes.modelViewMatrix||cl)).once()().toVar("modelViewMatrix"),cl=ju.mul(il),hl=wi((e=>(e.context.isHighPrecisionModelViewMatrix=!0,hn("mat4").onObjectUpdate((({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))))).once()().toVar("highpModelViewMatrix"),pl=wi((e=>{const t=e.context.isHighPrecisionModelViewMatrix;return hn("mat3").onObjectUpdate((({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix))))})).once()().toVar("highpModelNormalViewMatrix"),gl=Cu("position","vec3"),ml=gl.toVarying("positionLocal"),fl=gl.toVarying("positionPrevious"),yl=il.mul(ml).xyz.toVarying("v_positionWorld").context({needsPositionReassign:!0}),xl=ml.transformDirection(il).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection").context({needsPositionReassign:!0}),bl=wi((e=>e.context.setupPositionView()),"vec3").once()().toVarying("v_positionView").context({needsPositionReassign:!0}),Tl=bl.negate().toVarying("v_positionViewDirection").normalize().toVar("positionViewDirection");class _l extends Vs{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){const{renderer:t,material:r}=e;return t.coordinateSystem===l&&r.side===_?"false":e.getFrontFacing()}}const vl=Ei(_l),Nl=Ii(vl).mul(2).sub(1),Sl=Cu("normal","vec3"),Al=wi((e=>!1===e.geometry.hasAttribute("normal")?(console.warn('TSL.NormalNode: Vertex attribute "normal" not found on geometry.'),$i(0,1,0)):Sl),"vec3").once()().toVar("normalLocal"),Rl=bl.dFdx().cross(bl.dFdy()).normalize().toVar("normalFlat"),Cl=wi((e=>{let t;return t=!0===e.material.flatShading?Rl:$a(Ul(Al),"v_normalView").normalize(),t}),"vec3").once()().toVar("normalView"),El=$a(Cl.transformDirection(ju),"v_normalWorld").normalize().toVar("normalWorld"),wl=wi((e=>e.context.setupNormal().context({getUV:null})),"vec3").once()().mul(Nl).toVar("transformedNormalView"),Ml=wl.transformDirection(ju).toVar("transformedNormalWorld"),Bl=wi((e=>e.context.setupClearcoatNormal().context({getUV:null})),"vec3").once()().mul(Nl).toVar("transformedClearcoatNormalView"),Fl=wi((([e,t=il])=>{const r=Zi(t),s=e.div($i(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2])));return r.mul(s).xyz})),Ul=wi((([e],t)=>{const r=t.renderer.nodes.modelNormalViewMatrix;if(null!==r)return r.transformDirection(e);const s=ul.mul(e);return ju.transformDirection(s)})),Pl=hn(0).onReference((({material:e})=>e)).onRenderUpdate((({material:e})=>e.refractionRatio)),Il=Tl.negate().reflect(wl),Ll=Tl.negate().refract(wl,Pl),Dl=Il.transformDirection(ju).toVar("reflectVector"),Vl=Ll.transformDirection(ju).toVar("reflectVector");class Ol extends Uu{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===v?Dl:e.mapping===N?Vl:(console.error('THREE.CubeTextureNode: Mapping "%s" not supported.',e.mapping),$i(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return e.renderer.coordinateSystem!==d&&r.isRenderTargetTexture?t:$i(t.x.negate(),t.yz)}generateUV(e,t){return t.build(e,"vec3")}}const Gl=Ci(Ol);class kl extends Os{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}}class zl extends Vs{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=Ms.OBJECT}element(e){return Si(new kl(this,Si(e)))}setGroup(e){return this.group=e,this}label(e){return this.name=e,this}setNodeType(e){let t=null;t=null!==this.count?Du(null,e,this.count):Array.isArray(this.getValueFromReference())?Gu(null,e):"texture"===e?Pu(null):"cubeTexture"===e?Gl(null):hn(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.label(this.name),this.node=t.getSelf()}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const $l=(e,t,r)=>Si(new zl(e,t,r)),Wl=(e,t,r,s)=>Si(new zl(e,t,s,r));class Hl extends zl{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const jl=(e,t,r=null)=>Si(new Hl(e,t,r)),ql=wi((e=>(!1===e.geometry.hasAttribute("tangent")&&e.geometry.computeTangents(),Cu("tangent","vec4"))))(),Xl=ql.xyz.toVar("tangentLocal"),Kl=dl.mul(qi(Xl,0)).xyz.toVarying("v_tangentView").normalize().toVar("tangentView"),Yl=Kl.transformDirection(ju).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),Ql=Kl.toVar("transformedTangentView"),Zl=Ql.transformDirection(ju).normalize().toVar("transformedTangentWorld"),Jl=e=>e.mul(ql.w).xyz,ed=$a(Jl(Sl.cross(ql)),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),td=$a(Jl(Al.cross(Xl)),"v_bitangentLocal").normalize().toVar("bitangentLocal"),rd=$a(Jl(Cl.cross(Kl)),"v_bitangentView").normalize().toVar("bitangentView"),sd=$a(Jl(El.cross(Yl)),"v_bitangentWorld").normalize().toVar("bitangentWorld"),id=Jl(wl.cross(Ql)).normalize().toVar("transformedBitangentView"),nd=id.transformDirection(ju).normalize().toVar("transformedBitangentWorld"),od=Zi(Kl,rd,Cl),ad=Tl.mul(od),ud=(()=>{let e=Mn.cross(Tl);return e=e.cross(Mn).normalize(),e=ba(e,wl,En.mul(xn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e})(),ld=wi((e=>{const{eye_pos:t,surf_norm:r,mapN:s,uv:i}=e,n=t.dFdx(),o=t.dFdy(),a=i.dFdx(),u=i.dFdy(),l=r,d=o.cross(l),c=l.cross(n),h=d.mul(a.x).add(c.mul(u.x)),p=d.mul(a.y).add(c.mul(u.y)),g=h.dot(h).max(p.dot(p)),m=Nl.mul(g.inverseSqrt());return Kn(h.mul(s.x,m),p.mul(s.y,m),l.mul(s.z)).normalize()}));class dd extends ks{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=S}setup(e){const{normalMapType:t,scaleNode:r}=this;let s=this.node.mul(2).sub(1);null!==r&&(s=$i(s.xy.mul(r),s.z));let i=null;if(t===A)i=Ul(s);else if(t===S){i=!0===e.hasGeometryAttribute("tangent")?od.mul(s).normalize():ld({eye_pos:bl,surf_norm:Cl,mapN:s,uv:Eu()})}return i}}const cd=Ci(dd),hd=wi((({textureNode:e,bumpScale:t})=>{const r=t=>e.cache().context({getUV:e=>t(e.uvNode||Eu()),forceUVContext:!0}),s=Ii(r((e=>e)));return Oi(Ii(r((e=>e.add(e.dFdx())))).sub(s),Ii(r((e=>e.add(e.dFdy())))).sub(s)).mul(t)})),pd=wi((e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,o=t.dFdy().normalize().cross(n),a=n.cross(i),u=i.dot(o).mul(Nl),l=u.sign().mul(s.x.mul(o).add(s.y.mul(a)));return u.abs().mul(r).sub(l).normalize()}));class gd extends ks{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=hd({textureNode:this.textureNode,bumpScale:e});return pd({surf_pos:bl,surf_norm:Cl,dHdxy:t})}}const md=Ci(gd),fd=new Map;class yd extends Vs{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=fd.get(e);return void 0===r&&(r=jl(e,t),fd.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===yd.COLOR){const e=void 0!==t.color?this.getColor(r):$i();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===yd.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===yd.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:Ii(1);else if(r===yd.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===yd.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===yd.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===yd.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===yd.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===yd.NORMAL)t.normalMap?(s=cd(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType):s=t.bumpMap?md(this.getTexture("bump").r,this.getFloat("bumpScale")):Cl;else if(r===yd.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===yd.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===yd.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?cd(this.getTexture(r),this.getCache(r+"Scale","vec2")):Cl;else if(r===yd.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===yd.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(.07,1)}else if(r===yd.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Qi(tc.x,tc.y,tc.y.negate(),tc.x).mul(e.rg.mul(2).sub(Oi(1)).normalize().mul(e.b))}else s=tc;else if(r===yd.IRIDESCENCE_THICKNESS){const e=$l("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=$l("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===yd.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===yd.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===yd.IOR)s=this.getFloat(r);else if(r===yd.LIGHT_MAP)s=this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity"));else if(r===yd.AO)s=this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}yd.ALPHA_TEST="alphaTest",yd.COLOR="color",yd.OPACITY="opacity",yd.SHININESS="shininess",yd.SPECULAR="specular",yd.SPECULAR_STRENGTH="specularStrength",yd.SPECULAR_INTENSITY="specularIntensity",yd.SPECULAR_COLOR="specularColor",yd.REFLECTIVITY="reflectivity",yd.ROUGHNESS="roughness",yd.METALNESS="metalness",yd.NORMAL="normal",yd.CLEARCOAT="clearcoat",yd.CLEARCOAT_ROUGHNESS="clearcoatRoughness",yd.CLEARCOAT_NORMAL="clearcoatNormal",yd.EMISSIVE="emissive",yd.ROTATION="rotation",yd.SHEEN="sheen",yd.SHEEN_ROUGHNESS="sheenRoughness",yd.ANISOTROPY="anisotropy",yd.IRIDESCENCE="iridescence",yd.IRIDESCENCE_IOR="iridescenceIOR",yd.IRIDESCENCE_THICKNESS="iridescenceThickness",yd.IOR="ior",yd.TRANSMISSION="transmission",yd.THICKNESS="thickness",yd.ATTENUATION_DISTANCE="attenuationDistance",yd.ATTENUATION_COLOR="attenuationColor",yd.LINE_SCALE="scale",yd.LINE_DASH_SIZE="dashSize",yd.LINE_GAP_SIZE="gapSize",yd.LINE_WIDTH="linewidth",yd.LINE_DASH_OFFSET="dashOffset",yd.POINT_SIZE="size",yd.DISPERSION="dispersion",yd.LIGHT_MAP="light",yd.AO="ao";const xd=Ei(yd,yd.ALPHA_TEST),bd=Ei(yd,yd.COLOR),Td=Ei(yd,yd.SHININESS),_d=Ei(yd,yd.EMISSIVE),vd=Ei(yd,yd.OPACITY),Nd=Ei(yd,yd.SPECULAR),Sd=Ei(yd,yd.SPECULAR_INTENSITY),Ad=Ei(yd,yd.SPECULAR_COLOR),Rd=Ei(yd,yd.SPECULAR_STRENGTH),Cd=Ei(yd,yd.REFLECTIVITY),Ed=Ei(yd,yd.ROUGHNESS),wd=Ei(yd,yd.METALNESS),Md=Ei(yd,yd.NORMAL),Bd=Ei(yd,yd.CLEARCOAT),Fd=Ei(yd,yd.CLEARCOAT_ROUGHNESS),Ud=Ei(yd,yd.CLEARCOAT_NORMAL),Pd=Ei(yd,yd.ROTATION),Id=Ei(yd,yd.SHEEN),Ld=Ei(yd,yd.SHEEN_ROUGHNESS),Dd=Ei(yd,yd.ANISOTROPY),Vd=Ei(yd,yd.IRIDESCENCE),Od=Ei(yd,yd.IRIDESCENCE_IOR),Gd=Ei(yd,yd.IRIDESCENCE_THICKNESS),kd=Ei(yd,yd.TRANSMISSION),zd=Ei(yd,yd.THICKNESS),$d=Ei(yd,yd.IOR),Wd=Ei(yd,yd.ATTENUATION_DISTANCE),Hd=Ei(yd,yd.ATTENUATION_COLOR),jd=Ei(yd,yd.LINE_SCALE),qd=Ei(yd,yd.LINE_DASH_SIZE),Xd=Ei(yd,yd.LINE_GAP_SIZE),Kd=Ei(yd,yd.LINE_WIDTH),Yd=Ei(yd,yd.LINE_DASH_OFFSET),Qd=Ei(yd,yd.POINT_SIZE),Zd=Ei(yd,yd.DISPERSION),Jd=Ei(yd,yd.LIGHT_MAP),ec=Ei(yd,yd.AO),tc=hn(new t).onReference((function(e){return e.material})).onRenderUpdate((function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))})),rc=wi((e=>e.context.setupModelViewProjection()),"vec4").once()().toVarying("v_modelViewProjection");class sc extends Vs{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===sc.VERTEX)s=e.getVertexIndex();else if(r===sc.INSTANCE)s=e.getInstanceIndex();else if(r===sc.DRAW)s=e.getDrawIndex();else if(r===sc.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===sc.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==sc.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=$a(this).build(e,t)}return i}}sc.VERTEX="vertex",sc.INSTANCE="instance",sc.SUBGROUP="subgroup",sc.INVOCATION_LOCAL="invocationLocal",sc.INVOCATION_SUBGROUP="invocationSubgroup",sc.DRAW="draw";const ic=Ei(sc,sc.VERTEX),nc=Ei(sc,sc.INSTANCE),oc=Ei(sc,sc.SUBGROUP),ac=Ei(sc,sc.INVOCATION_SUBGROUP),uc=Ei(sc,sc.INVOCATION_LOCAL),lc=Ei(sc,sc.DRAW);class dc extends Vs{static get type(){return"InstanceNode"}constructor(e,t,r){super("void"),this.count=e,this.instanceMatrix=t,this.instanceColor=r,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=Ms.FRAME,this.buffer=null,this.bufferColor=null}setup(e){const{count:t,instanceMatrix:r,instanceColor:s}=this;let{instanceMatrixNode:i,instanceColorNode:n}=this;if(null===i){if(t<=1e3)i=Du(r.array,"mat4",Math.max(t,1)).element(nc);else{const e=new R(r.array,16,1);this.buffer=e;const t=r.usage===f?cu:du,s=[t(e,"vec4",16,0),t(e,"vec4",16,4),t(e,"vec4",16,8),t(e,"vec4",16,12)];i=Ji(...s)}this.instanceMatrixNode=i}if(s&&null===n){const e=new C(s.array,3),t=s.usage===f?cu:du;this.bufferColor=e,n=$i(t(e,"vec3",3,0)),this.instanceColorNode=n}const o=i.mul(ml).xyz;if(ml.assign(o),e.hasGeometryAttribute("normal")){const e=Fl(Al,i);Al.assign(e)}null!==this.instanceColorNode&&mn("vec3","vInstanceColor").assign(this.instanceColorNode)}update(){this.instanceMatrix.usage!==f&&null!==this.buffer&&this.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMatrix.version),this.instanceColor&&this.instanceColor.usage!==f&&null!==this.bufferColor&&this.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceColor.version)}}const cc=Ci(dc);class hc extends dc{static get type(){return"InstancedMeshNode"}constructor(e){const{count:t,instanceMatrix:r,instanceColor:s}=e;super(t,r,s),this.instancedMesh=e}}const pc=Ci(hc);class gc extends Vs{static get type(){return"BatchNode"}constructor(e){super("void"),this.batchMesh=e,this.batchingIdNode=null}setup(e){null===this.batchingIdNode&&(null===e.getDrawIndex()?this.batchingIdNode=nc:this.batchingIdNode=lc);const t=wi((([e])=>{const t=Mu(Iu(this.batchMesh._indirectTexture),0),r=Li(e).modInt(Li(t)),s=Li(e).div(Li(t));return Iu(this.batchMesh._indirectTexture,Gi(r,s)).x})).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),r=t(Li(this.batchingIdNode)),s=this.batchMesh._matricesTexture,i=Mu(Iu(s),0),n=Ii(r).mul(4).toInt().toVar(),o=n.modInt(i),a=n.div(Li(i)),u=Ji(Iu(s,Gi(o,a)),Iu(s,Gi(o.add(1),a)),Iu(s,Gi(o.add(2),a)),Iu(s,Gi(o.add(3),a))),l=this.batchMesh._colorsTexture;if(null!==l){const e=wi((([e])=>{const t=Mu(Iu(l),0).x,r=e,s=r.modInt(t),i=r.div(t);return Iu(l,Gi(s,i)).rgb})).setLayout({name:"getBatchingColor",type:"vec3",inputs:[{name:"id",type:"int"}]}),t=e(r);mn("vec3","vBatchColor").assign(t)}const d=Zi(u);ml.assign(u.mul(ml));const c=Al.div($i(d[0].dot(d[0]),d[1].dot(d[1]),d[2].dot(d[2]))),h=d.mul(c).xyz;Al.assign(h),e.hasGeometryAttribute("tangent")&&Xl.mulAssign(d)}}const mc=Ci(gc),fc=new WeakMap;class yc extends Vs{static get type(){return"SkinningNode"}constructor(e,t=!1){let r,s,i;super("void"),this.skinnedMesh=e,this.useReference=t,this.updateType=Ms.OBJECT,this.skinIndexNode=Cu("skinIndex","uvec4"),this.skinWeightNode=Cu("skinWeight","vec4"),t?(r=$l("bindMatrix","mat4"),s=$l("bindMatrixInverse","mat4"),i=Wl("skeleton.boneMatrices","mat4",e.skeleton.bones.length)):(r=hn(e.bindMatrix,"mat4"),s=hn(e.bindMatrixInverse,"mat4"),i=Du(e.skeleton.boneMatrices,"mat4",e.skeleton.bones.length)),this.bindMatrixNode=r,this.bindMatrixInverseNode=s,this.boneMatricesNode=i,this.previousBoneMatricesNode=null}getSkinnedPosition(e=this.boneMatricesNode,t=ml){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,o=e.element(r.x),a=e.element(r.y),u=e.element(r.z),l=e.element(r.w),d=i.mul(t),c=Kn(o.mul(s.x).mul(d),a.mul(s.y).mul(d),u.mul(s.z).mul(d),l.mul(s.w).mul(d));return n.mul(c).xyz}getSkinnedNormal(e=this.boneMatricesNode,t=Al){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,o=e.element(r.x),a=e.element(r.y),u=e.element(r.z),l=e.element(r.w);let d=Kn(s.x.mul(o),s.y.mul(a),s.z.mul(u),s.w.mul(l));return d=n.mul(d).mul(i),d.transformDirection(t).xyz}getPreviousSkinnedPosition(e){const t=e.object;return null===this.previousBoneMatricesNode&&(t.skeleton.previousBoneMatrices=new Float32Array(t.skeleton.boneMatrices),this.previousBoneMatricesNode=Wl("skeleton.previousBoneMatrices","mat4",t.skeleton.bones.length)),this.getSkinnedPosition(this.previousBoneMatricesNode,fl)}needsPreviousBoneMatrices(e){const t=e.renderer.getMRT();return t&&t.has("velocity")||!0===As(e.object).useVelocity}setup(e){this.needsPreviousBoneMatrices(e)&&fl.assign(this.getPreviousSkinnedPosition(e));const t=this.getSkinnedPosition();if(ml.assign(t),e.hasGeometryAttribute("normal")){const t=this.getSkinnedNormal();Al.assign(t),e.hasGeometryAttribute("tangent")&&Xl.assign(t)}}generate(e,t){if("void"!==t)return ml.build(e,t)}update(e){const t=(this.useReference?e.object:this.skinnedMesh).skeleton;fc.get(t)!==e.frameId&&(fc.set(t,e.frameId),null!==this.previousBoneMatricesNode&&t.previousBoneMatrices.set(t.boneMatrices),t.update())}}const xc=e=>Si(new yc(e,!0));class bc extends Vs{static get type(){return"LoopNode"}constructor(e=[]){super(),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=vu(s,i)}const s=e.addStack();return t.returnsNode=this.params[this.params.length-1](r,s,e),t.stackNode=s,e.removeStack(),t}getNodeType(e){const{returnsNode:t}=this.getProperties(e);return t?t.getNodeType(e):"void"}setup(e){this.getProperties(e)}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let t=0,s=r.length-1;t<s;t++){const s=r[t];let i=null,n=null,o=null,a=null,u=null,l=null;s.isNode?(a="int",o=this.getVarName(t),i="0",n=s.build(e,a),u="<"):(a=s.type||"int",o=s.name||this.getVarName(t),i=s.start,n=s.end,u=s.condition,l=s.update,"number"==typeof i?i=e.generateConst(a,i):i&&i.isNode&&(i=i.build(e,a)),"number"==typeof n?n=e.generateConst(a,n):n&&n.isNode&&(n=n.build(e,a)),void 0!==i&&void 0===n?(i+=" - 1",n="0",u=">="):void 0!==n&&void 0===i&&(i="0",u="<"),void 0===u&&(u=Number(i)>Number(n)?">=":"<"));const d={start:i,end:n,condition:u},c=d.start,h=d.end;let p="",g="",m="";l||(l="int"===a||"uint"===a?u.includes("<")?"++":"--":u.includes("<")?"+= 1.":"-= 1."),p+=e.getVar(a,o)+" = "+c,g+=o+" "+u+" "+h,m+=o+" "+l;const f=`for ( ${p}; ${g}; ${m} )`;e.addFlowCode((0===t?"\n":"")+e.tab+f+" {\n\n").addFlowTab()}const i=s.build(e,"void"),n=t.returnsNode?t.returnsNode.build(e):"";e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();return e.addFlowTab(),n}}const Tc=(...e)=>Si(new bc(Ri(e,"int"))).append(),_c=()=>vu("break").append(),vc=new WeakMap,Nc=new s,Sc=wi((({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const o=Li(ic).mul(r).add(n),a=o.div(s),u=o.sub(a.mul(s));return Iu(e,Gi(u,a)).depth(i).mul(t)}));class Ac extends Vs{static get type(){return"MorphNode"}constructor(e){super("void"),this.mesh=e,this.morphBaseInfluence=hn(1),this.updateType=Ms.OBJECT}setup(e){const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,o=void 0!==n?n.length:0,{texture:a,stride:u,size:l}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,o=void 0!==n?n.length:0;let a=vc.get(e);if(void 0===a||a.count!==o){void 0!==a&&a.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*o),f=new E(m,h,p,o);f.type=w,f.needsUpdate=!0;const y=4*c;for(let b=0;b<o;b++){const T=u[b],_=l[b],v=d[b],N=h*p*4*b;for(let S=0;S<T.count;S++){const A=S*y;!0===r&&(Nc.fromBufferAttribute(T,S),m[N+A+0]=Nc.x,m[N+A+1]=Nc.y,m[N+A+2]=Nc.z,m[N+A+3]=0),!0===s&&(Nc.fromBufferAttribute(_,S),m[N+A+4]=Nc.x,m[N+A+5]=Nc.y,m[N+A+6]=Nc.z,m[N+A+7]=0),!0===i&&(Nc.fromBufferAttribute(v,S),m[N+A+8]=Nc.x,m[N+A+9]=Nc.y,m[N+A+10]=Nc.z,m[N+A+11]=4===v.itemSize?Nc.w:1)}}function x(){f.dispose(),vc.delete(e),e.removeEventListener("dispose",x)}a={count:o,texture:f,stride:c,size:new t(h,p)},vc.set(e,a),e.addEventListener("dispose",x)}return a}(r);!0===s&&ml.mulAssign(this.morphBaseInfluence),!0===i&&Al.mulAssign(this.morphBaseInfluence);const d=Li(l.width);Tc(o,(({i:e})=>{const t=Ii(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?t.assign(Iu(this.mesh.morphTexture,Gi(Li(e).add(1),Li(nc))).r):t.assign($l("morphTargetInfluences","float").element(e).toVar()),!0===s&&ml.addAssign(Sc({bufferMap:a,influence:t,stride:u,width:d,depth:e,offset:Li(0)})),!0===i&&Al.addAssign(Sc({bufferMap:a,influence:t,stride:u,width:d,depth:e,offset:Li(1)}))}))}update(){const e=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?e.value=1:e.value=1-this.mesh.morphTargetInfluences.reduce(((e,t)=>e+t),0)}}const Rc=Ci(Ac);class Cc extends Vs{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class Ec extends Cc{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class wc extends Pa{static get type(){return"LightingContextNode"}constructor(e,t=null,r=null,s=null){super(e),this.lightingModel=t,this.backdropNode=r,this.backdropAlphaNode=s,this._value=null}getContext(){const{backdropNode:e,backdropAlphaNode:t}=this,r={directDiffuse:$i().toVar("directDiffuse"),directSpecular:$i().toVar("directSpecular"),indirectDiffuse:$i().toVar("indirectDiffuse"),indirectSpecular:$i().toVar("indirectSpecular")};return{radiance:$i().toVar("radiance"),irradiance:$i().toVar("irradiance"),iblIrradiance:$i().toVar("iblIrradiance"),ambientOcclusion:Ii(1).toVar("ambientOcclusion"),reflectedLight:r,backdrop:e,backdropAlpha:t}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const Mc=Ci(wc);class Bc extends Cc{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}let Fc,Uc;class Pc extends Vs{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this.isViewportNode=!0}getNodeType(){return this.scope===Pc.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=Ms.NONE;return this.scope!==Pc.SIZE&&this.scope!==Pc.VIEWPORT||(e=Ms.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===Pc.VIEWPORT?null!==t?Uc.copy(t.viewport):(e.getViewport(Uc),Uc.multiplyScalar(e.getPixelRatio())):null!==t?(Fc.width=t.width,Fc.height=t.height):e.getDrawingBufferSize(Fc)}setup(){const e=this.scope;let r=null;return r=e===Pc.SIZE?hn(Fc||(Fc=new t)):e===Pc.VIEWPORT?hn(Uc||(Uc=new s)):Oi(Dc.div(Lc)),r}generate(e){if(this.scope===Pc.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(Lc).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}Pc.COORDINATE="coordinate",Pc.VIEWPORT="viewport",Pc.SIZE="size",Pc.UV="uv";const Ic=Ei(Pc,Pc.UV),Lc=Ei(Pc,Pc.SIZE),Dc=Ei(Pc,Pc.COORDINATE),Vc=Ei(Pc,Pc.VIEWPORT),Oc=Vc.zw,Gc=Dc.sub(Vc.xy),kc=Gc.div(Oc),zc=wi((()=>(console.warn('TSL.ViewportNode: "viewportResolution" is deprecated. Use "screenSize" instead.'),Lc)),"vec2").once()(),$c=wi((()=>(console.warn('TSL.ViewportNode: "viewportTopLeft" is deprecated. Use "screenUV" instead.'),Ic)),"vec2").once()(),Wc=wi((()=>(console.warn('TSL.ViewportNode: "viewportBottomLeft" is deprecated. Use "screenUV.flipY()" instead.'),Ic.flipY())),"vec2").once()(),Hc=new t;class jc extends Uu{static get type(){return"ViewportTextureNode"}constructor(e=Ic,t=null,r=null){null===r&&((r=new M).minFilter=B),super(r,e,t),this.generateMipmaps=!1,this.isOutputTextureNode=!0,this.updateBeforeType=Ms.FRAME}updateBefore(e){const t=e.renderer;t.getDrawingBufferSize(Hc);const r=this.value;r.image.width===Hc.width&&r.image.height===Hc.height||(r.image.width=Hc.width,r.image.height=Hc.height,r.needsUpdate=!0);const s=r.generateMipmaps;r.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(r),r.generateMipmaps=s}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const qc=Ci(jc),Xc=Ci(jc,null,null,{generateMipmaps:!0});let Kc=null;class Yc extends jc{static get type(){return"ViewportDepthTextureNode"}constructor(e=Ic,t=null){null===Kc&&(Kc=new F),super(e,t,Kc)}}const Qc=Ci(Yc);class Zc extends Vs{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===Zc.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===Zc.DEPTH_BASE)null!==r&&(s=sh().assign(r));else if(t===Zc.DEPTH)s=e.isPerspectiveCamera?eh(bl.z,zu,$u):Jc(bl.z,zu,$u);else if(t===Zc.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=th(r,zu,$u);s=Jc(e,zu,$u)}else s=r;else s=Jc(bl.z,zu,$u);return s}}Zc.DEPTH_BASE="depthBase",Zc.DEPTH="depth",Zc.LINEAR_DEPTH="linearDepth";const Jc=(e,t,r)=>e.add(t).div(t.sub(r)),eh=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),th=(e,t,r)=>t.mul(r).div(r.sub(t).mul(e).sub(r)),rh=(e,t,r)=>{t=t.max(1e-6).toVar();const s=Mo(e.negate().div(t)),i=Mo(r.div(t));return s.div(i)},sh=Ci(Zc,Zc.DEPTH_BASE),ih=Ei(Zc,Zc.DEPTH),nh=Ci(Zc,Zc.LINEAR_DEPTH),oh=nh(Qc());ih.assign=e=>sh(e);const ah=Ci(class extends Vs{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}});class uh extends Vs{static get type(){return"ClippingNode"}constructor(e=uh.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.material.hardwareClipping,this.scope===uh.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===uh.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return wi((()=>{const r=Ii().toVar("distanceToPlane"),s=Ii().toVar("distanceToGradient"),i=Ii(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=Gu(t);Tc(n,(({i:t})=>{const n=e.element(t);r.assign(bl.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(Na(s.negate(),s,r))}))}const o=e.length;if(o>0){const t=Gu(e),n=Ii(1).toVar("intersectionClipOpacity");Tc(o,(({i:e})=>{const i=t.element(e);r.assign(bl.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(Na(s.negate(),s,r).oneMinus())})),i.mulAssign(n.oneMinus())}fn.a.mulAssign(i),fn.a.equal(0).discard()}))()}setupDefault(e,t){return wi((()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=Gu(t);Tc(r,(({i:t})=>{const r=e.element(t);bl.dot(r.xyz).greaterThan(r.w).discard()}))}const s=e.length;if(s>0){const t=Gu(e),r=Vi(!0).toVar("clipped");Tc(s,(({i:e})=>{const s=t.element(e);r.assign(bl.dot(s.xyz).greaterThan(s.w).and(r))})),r.discard()}}))()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),wi((()=>{const s=Gu(e),i=ah(t.getClipDistance());Tc(r,(({i:e})=>{const t=s.element(e),r=bl.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)}))}))()}}uh.ALPHA_TO_COVERAGE="alphaToCoverage",uh.DEFAULT="default",uh.HARDWARE="hardware";const lh=wi((([e])=>Lo(Qn(1e4,Do(Qn(17,e.x).add(Qn(.1,e.y)))).mul(Kn(.1,$o(Do(Qn(13,e.y).add(e.x)))))))),dh=wi((([e])=>lh(Oi(lh(e.xy),e.z)))),ch=wi((([e])=>{const t=ia(Ho(Xo(e.xyz)),Ho(Ko(e.xyz))),r=Ii(1).div(Ii(.05).mul(t)).toVar("pixScale"),s=Oi(Eo(Uo(Mo(r))),Eo(Po(Mo(r)))),i=Oi(dh(Uo(s.x.mul(e.xyz))),dh(Uo(s.y.mul(e.xyz)))),n=Lo(Mo(r)),o=Kn(Qn(n.oneMinus(),i.x),Qn(n,i.y)),a=sa(n,n.oneMinus()),u=$i(o.mul(o).div(Qn(2,a).mul(Yn(1,a))),o.sub(Qn(.5,a)).div(Yn(1,a)),Yn(1,Yn(1,o).mul(Yn(1,o)).div(Qn(2,a).mul(Yn(1,a))))),l=o.lessThan(a.oneMinus()).select(o.lessThan(a).select(u.x,u.y),u.z);return Ta(l,1e-6,1)})).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class hh extends U{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.hardwareClipping=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.shadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null}customProgramCacheKey(){return this.type+fs(this)}build(e){this.setup(e)}setupObserver(e){return new cs(e)}setup(e){e.context.setupNormal=()=>this.setupNormal(e),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();e.addStack();const s=this.vertexNode||this.setupVertex(e);let i;e.stack.outputNode=s,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const n=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupVariants(e);const s=this.setupLighting(e);null!==n&&e.stack.add(n);const o=qi(s,fn.a).max(0);if(i=this.setupOutput(e,o),Pn.assign(i),null!==this.outputNode&&(i=this.outputNode),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(i=e,null!==r&&(i=e.merge(r))):null!==r&&(i=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=qi(t)),i=this.setupOutput(e,t)}e.stack.outputNode=i,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.samples;this.alphaToCoverage&&t>1?s=Si(new uh(uh.ALPHA_TO_COVERAGE)):e.stack.add(Si(new uh))}return s}setupHardwareClipping(e){if(this.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.add(Si(new uh(uh.HARDWARE))),this.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?rh(bl.z,zu,$u):Jc(bl.z,zu,$u))}null!==s&&ih.assign(s).append()}setupPositionView(){return dl.mul(ml).xyz}setupModelViewProjection(){return Wu.mul(bl)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.vertex=e.removeStack(),rc}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&Rc(t).append(),!0===t.isSkinnedMesh&&xc(t).append(),this.displacementMap){const e=jl("displacementMap","texture"),t=jl("displacementScale","float"),r=jl("displacementBias","float");ml.addAssign(Al.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&mc(t).append(),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&pc(t).append(),null!==this.positionNode&&ml.assign(this.positionNode.context({isPositionNodeInput:!0})),ml}setupDiffuseColor({object:e,geometry:t}){let r=this.colorNode?qi(this.colorNode):bd;if(!0===this.vertexColors&&t.hasAttribute("color")&&(r=qi(r.xyz.mul(Cu("color","vec3")),r.a)),e.instanceColor){r=mn("vec3","vInstanceColor").mul(r)}if(e.isBatchedMesh&&e._colorsTexture){r=mn("vec3","vBatchColor").mul(r)}fn.assign(r);const s=this.opacityNode?Ii(this.opacityNode):vd;if(fn.a.assign(fn.a.mul(s)),null!==this.alphaTestNode||this.alphaTest>0){const e=null!==this.alphaTestNode?Ii(this.alphaTestNode):xd;fn.a.lessThanEqual(e).discard()}!0===this.alphaHash&&fn.a.lessThan(ch(ml)).discard(),!1===this.transparent&&this.blending===P&&!1===this.alphaToCoverage&&fn.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?$i(0):fn.rgb}setupNormal(){return this.normalNode?$i(this.normalNode):Md}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?jl("envMap","cubeTexture"):jl("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Bc(Jd)),t}setupLights(e){const t=[],r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);if(s&&s.isLightingNode&&t.push(s),null!==this.aoNode||e.material.aoMap){const e=null!==this.aoNode?this.aoNode:ec;t.push(new Ec(e))}let i=this.lightsNode||e.lightsNode;return t.length>0&&(i=e.renderer.lighting.createNode([...i.getLights(),...t])),i}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode?this.setupLights(e):null;let o=this.setupOutgoingLight(e);if(n&&n.getScope().hasLights){const t=this.setupLightingModel(e);o=Mc(n,t,r,s)}else null!==r&&(o=$i(null!==s?ba(o,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(yn.assign($i(i||_d)),o=o.add(yn)),o}setupOutput(e,t){if(!0===this.fog){const r=e.fogNode;r&&(Pn.assign(t),t=qi(r))}return t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=U.prototype.toJSON.call(this,e),s=ys(this);r.inputNodes={};for(const{property:t,childNode:i}of s)r.inputNodes[t]=i.toJSON(e).uuid;function i(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=i(e.textures),s=i(e.images),n=i(e.nodes);t.length>0&&(r.textures=t),s.length>0&&(r.images=s),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.shadowPositionNode=e.shadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,super.copy(e)}}const ph=new I;class gh extends hh{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(ph),this.setValues(e)}}const mh=new L;class fh extends hh{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(mh),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?Ii(this.offsetNode):Yd,t=this.dashScaleNode?Ii(this.dashScaleNode):jd,r=this.dashSizeNode?Ii(this.dashSizeNode):qd,s=this.gapSizeNode?Ii(this.gapSizeNode):Xd;In.assign(r),Ln.assign(s);const i=$a(Cu("lineDistance").mul(t));(e?i.add(e):i).mod(In.add(Ln)).greaterThan(In).discard()}}let yh=null;class xh extends jc{static get type(){return"ViewportSharedTextureNode"}constructor(e=Ic,t=null){null===yh&&(yh=new M),super(e,t,yh)}updateReference(){return this}}const bh=Ci(xh),Th=new L;class _h extends hh{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(Th),this.useColor=e.vertexColors,this.dashOffset=0,this.lineWidth=1,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=D,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setup(e){const{renderer:t}=e,r=this._useAlphaToCoverage,s=this.useColor,i=this._useDash,n=this._useWorldUnits,o=wi((({start:e,end:t})=>{const r=Wu.element(2).element(2),s=Wu.element(3).element(2).mul(-.5).div(r).sub(e.z).div(t.z.sub(e.z));return qi(ba(e.xyz,t.xyz,s),t.w)})).setLayout({name:"trimSegment",type:"vec4",inputs:[{name:"start",type:"vec4"},{name:"end",type:"vec4"}]});this.vertexNode=wi((()=>{const e=Cu("instanceStart"),t=Cu("instanceEnd"),r=qi(dl.mul(qi(e,1))).toVar("start"),s=qi(dl.mul(qi(t,1))).toVar("end");if(i){const e=this.dashScaleNode?Ii(this.dashScaleNode):jd,t=this.offsetNode?Ii(this.offsetNode):Yd,r=Cu("instanceDistanceStart"),s=Cu("instanceDistanceEnd");let i=gl.y.lessThan(.5).select(e.mul(r),e.mul(s));i=i.add(t),mn("float","lineDistance").assign(i)}n&&(mn("vec3","worldStart").assign(r.xyz),mn("vec3","worldEnd").assign(s.xyz));const a=Vc.z.div(Vc.w),u=Wu.element(2).element(3).equal(-1);Fi(u,(()=>{Fi(r.z.lessThan(0).and(s.z.greaterThan(0)),(()=>{s.assign(o({start:r,end:s}))})).ElseIf(s.z.lessThan(0).and(r.z.greaterThanEqual(0)),(()=>{r.assign(o({start:s,end:r}))}))}));const l=Wu.mul(r),d=Wu.mul(s),c=l.xyz.div(l.w),h=d.xyz.div(d.w),p=h.xy.sub(c.xy).toVar();p.x.assign(p.x.mul(a)),p.assign(p.normalize());const g=qi().toVar();if(n){const e=s.xyz.sub(r.xyz).normalize(),t=ba(r.xyz,s.xyz,.5).normalize(),n=e.cross(t).normalize(),o=e.cross(n),a=mn("vec4","worldPos");a.assign(gl.y.lessThan(.5).select(r,s));const u=Kd.mul(.5);a.addAssign(qi(gl.x.lessThan(0).select(n.mul(u),n.mul(u).negate()),0)),i||(a.addAssign(qi(gl.y.lessThan(.5).select(e.mul(u).negate(),e.mul(u)),0)),a.addAssign(qi(o.mul(u),0)),Fi(gl.y.greaterThan(1).or(gl.y.lessThan(0)),(()=>{a.subAssign(qi(o.mul(2).mul(u),0))}))),g.assign(Wu.mul(a));const l=$i().toVar();l.assign(gl.y.lessThan(.5).select(c,h)),g.z.assign(l.z.mul(g.w))}else{const e=Oi(p.y,p.x.negate()).toVar("offset");p.x.assign(p.x.div(a)),e.x.assign(e.x.div(a)),e.assign(gl.x.lessThan(0).select(e.negate(),e)),Fi(gl.y.lessThan(0),(()=>{e.assign(e.sub(p))})).ElseIf(gl.y.greaterThan(1),(()=>{e.assign(e.add(p))})),e.assign(e.mul(Kd)),e.assign(e.div(Vc.w)),g.assign(gl.y.lessThan(.5).select(l,d)),e.assign(e.mul(g.w)),g.assign(g.add(qi(e,0,0)))}return g}))();const a=wi((({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),o=t.sub(e),a=i.dot(n),u=n.dot(o),l=i.dot(o),d=n.dot(n),c=o.dot(o).mul(d).sub(u.mul(u)),h=a.mul(u).sub(l.mul(d)).div(c).clamp(),p=a.add(u.mul(h)).div(d).clamp();return Oi(h,p)}));if(this.colorNode=wi((()=>{const e=Eu();if(i){const t=this.dashSizeNode?Ii(this.dashSizeNode):qd,r=this.gapSizeNode?Ii(this.gapSizeNode):Xd;In.assign(t),Ln.assign(r);const s=mn("float","lineDistance");e.y.lessThan(-1).or(e.y.greaterThan(1)).discard(),s.mod(In.add(Ln)).greaterThan(In).discard()}const o=Ii(1).toVar("alpha");if(n){const e=mn("vec3","worldStart"),s=mn("vec3","worldEnd"),n=mn("vec4","worldPos").xyz.normalize().mul(1e5),u=s.sub(e),l=a({p1:e,p2:s,p3:$i(0,0,0),p4:n}),d=e.add(u.mul(l.x)),c=n.mul(l.y),h=d.sub(c).length().div(Kd);if(!i)if(r&&t.samples>1){const e=h.fwidth();o.assign(Na(e.negate().add(.5),e.add(.5),h).oneMinus())}else h.greaterThan(.5).discard()}else if(r&&t.samples>1){const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1)),s=t.mul(t).add(r.mul(r)),i=Ii(s.fwidth()).toVar("dlen");Fi(e.y.abs().greaterThan(1),(()=>{o.assign(Na(i.oneMinus(),i.add(1),s).oneMinus())}))}else Fi(e.y.abs().greaterThan(1),(()=>{const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1));t.mul(t).add(r.mul(r)).greaterThan(1).discard()}));let u;if(this.lineColorNode)u=this.lineColorNode;else if(s){const e=Cu("instanceColorStart"),t=Cu("instanceColorEnd");u=gl.y.lessThan(.5).select(e,t).mul(bd)}else u=bd;return qi(u,o)}))(),this.transparent){const e=this.opacityNode?Ii(this.opacityNode):vd;this.outputNode=qi(this.colorNode.rgb.mul(e).add(bh().rgb.mul(e.oneMinus())),this.colorNode.a)}super.setup(e)}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const vh=e=>Si(e).mul(.5).add(.5),Nh=new V;class Sh extends hh{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Nh),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?Ii(this.opacityNode):vd;fn.assign(qi(vh(wl),e))}}class Ah extends ks{static get type(){return"EquirectUVNode"}constructor(e=xl){super("vec2"),this.dirNode=e}setup(){const e=this.dirNode,t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return Oi(t,r)}}const Rh=Ci(Ah);class Ch extends O{constructor(e=1,t={}){super(e,t),this.isCubeRenderTarget=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new G(5,5,5),n=Rh(xl),o=new hh;o.colorNode=Pu(t,n,0),o.side=_,o.blending=D;const a=new k(i,o),u=new z;u.add(a),t.minFilter===B&&(t.minFilter=$);const l=new W(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.currentGenerateMipmaps=s,a.geometry.dispose(),a.material.dispose(),this}}const Eh=new WeakMap;class wh extends ks{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=Gl();const t=new H;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=Ms.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===j||r===q){if(Eh.has(e)){const t=Eh.get(e);Bh(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new Ch(r.height);s.fromEquirectangularTexture(t,e),Bh(s.texture,e.mapping),this._cubeTexture=s.texture,Eh.set(e,s.texture),e.addEventListener("dispose",Mh)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function Mh(e){const t=e.target;t.removeEventListener("dispose",Mh);const r=Eh.get(t);void 0!==r&&(Eh.delete(t),r.dispose())}function Bh(e,t){t===j?e.mapping=v:t===q&&(e.mapping=N)}const Fh=Ci(wh);class Uh extends Cc{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=Fh(this.envNode)}}class Ph extends Cc{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=Ii(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class Ih{start(){}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class Lh extends Ih{constructor(){super()}indirect(e,t,r){const s=e.ambientOcclusion,i=e.reflectedLight,n=r.context.irradianceLightMap;i.indirectDiffuse.assign(qi(0)),n?i.indirectDiffuse.addAssign(n):i.indirectDiffuse.addAssign(qi(1,1,1,0)),i.indirectDiffuse.mulAssign(s),i.indirectDiffuse.mulAssign(fn.rgb)}finish(e,t,r){const s=r.material,i=e.outgoingLight,n=r.context.environment;if(n)switch(s.combine){case Y:i.rgb.assign(ba(i.rgb,i.rgb.mul(n.rgb),Rd.mul(Cd)));break;case K:i.rgb.assign(ba(i.rgb,n.rgb,Rd.mul(Cd)));break;case X:i.rgb.addAssign(n.rgb.mul(Rd.mul(Cd)));break;default:console.warn("THREE.BasicLightingModel: Unsupported .combine value:",s.combine)}}}const Dh=new Q;class Vh extends hh{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Dh),this.setValues(e)}setupNormal(){return Cl}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Uh(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Ph(Jd)),t}setupOutgoingLight(){return fn.rgb}setupLightingModel(){return new Lh}}const Oh=wi((({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))})),Gh=wi((e=>e.diffuseColor.mul(1/Math.PI))),kh=wi((({dotNH:e})=>Un.mul(Ii(.5)).add(1).mul(Ii(1/Math.PI)).mul(e.pow(Un)))),zh=wi((({lightDirection:e})=>{const t=e.add(Tl).normalize(),r=wl.dot(t).clamp(),s=Tl.dot(t).clamp(),i=Oh({f0:Bn,f90:1,dotVH:s}),n=Ii(.25),o=kh({dotNH:r});return i.mul(n).mul(o)}));class $h extends Lh{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=wl.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(Gh({diffuseColor:fn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(zh({lightDirection:e})).mul(Rd))}indirect({ambientOcclusion:e,irradiance:t,reflectedLight:r}){r.indirectDiffuse.addAssign(t.mul(Gh({diffuseColor:fn}))),r.indirectDiffuse.mulAssign(e)}}const Wh=new Z;class Hh extends hh{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Wh),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Uh(t):null}setupLightingModel(){return new $h(!1)}}const jh=new J;class qh extends hh{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(jh),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Uh(t):null}setupLightingModel(){return new $h}setupVariants(){const e=(this.shininessNode?Ii(this.shininessNode):Td).max(1e-4);Un.assign(e);const t=this.specularNode||Nd;Bn.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const Xh=wi((e=>{if(!1===e.geometry.hasAttribute("normal"))return Ii(0);const t=Cl.dFdx().abs().max(Cl.dFdy().abs());return t.x.max(t.y).max(t.z)})),Kh=wi((e=>{const{roughness:t}=e,r=Xh();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s})),Yh=wi((({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return Zn(.5,i.add(n).max(bo))})).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),Qh=wi((({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:o,dotNL:a})=>{const u=a.mul($i(e.mul(r),t.mul(s),o).length()),l=o.mul($i(e.mul(i),t.mul(n),a).length());return Zn(.5,u.add(l)).saturate()})).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),Zh=wi((({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)})).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),Jh=Ii(1/Math.PI),ep=wi((({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),o=$i(t.mul(s),e.mul(i),n.mul(r)),a=o.dot(o),u=n.div(a);return Jh.mul(n.mul(u.pow2()))})).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),tp=wi((e=>{const{lightDirection:t,f0:r,f90:s,roughness:i,f:n,USE_IRIDESCENCE:o,USE_ANISOTROPY:a}=e,u=e.normalView||wl,l=i.pow2(),d=t.add(Tl).normalize(),c=u.dot(t).clamp(),h=u.dot(Tl).clamp(),p=u.dot(d).clamp(),g=Tl.dot(d).clamp();let m,f,y=Oh({f0:r,f90:s,dotVH:g});if(_i(o)&&(y=Sn.mix(y,n)),_i(a)){const e=wn.dot(t),r=wn.dot(Tl),s=wn.dot(d),i=Mn.dot(t),n=Mn.dot(Tl),o=Mn.dot(d);m=Qh({alphaT:Cn,alphaB:l,dotTV:r,dotBV:n,dotTL:e,dotBL:i,dotNV:h,dotNL:c}),f=ep({alphaT:Cn,alphaB:l,dotNH:p,dotTH:s,dotBH:o})}else m=Yh({alpha:l,dotNL:c,dotNV:h}),f=Zh({alpha:l,dotNH:p});return y.mul(m).mul(f)})),rp=wi((({roughness:e,dotNV:t})=>{const r=qi(-1,-.0275,-.572,.022),s=qi(1,.0425,1.04,-.04),i=e.mul(r).add(s),n=i.x.mul(i.x).min(t.mul(-9.28).exp2()).mul(i.x).add(i.y);return Oi(-1.04,1.04).mul(n).add(i.zw)})).setLayout({name:"DFGApprox",type:"vec2",inputs:[{name:"roughness",type:"float"},{name:"dotNV",type:"vec3"}]}),sp=wi((e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=rp({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))})),ip=wi((({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub($i(t).mul(n)).div(n.oneMinus())})).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),np=wi((({roughness:e,dotNH:t})=>{const r=e.pow2(),s=Ii(1).div(r),i=t.pow2().oneMinus().max(.0078125);return Ii(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)})).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),op=wi((({dotNV:e,dotNL:t})=>Ii(1).div(Ii(4).mul(t.add(e).sub(t.mul(e)))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),ap=wi((({lightDirection:e})=>{const t=e.add(Tl).normalize(),r=wl.dot(e).clamp(),s=wl.dot(Tl).clamp(),i=wl.dot(t).clamp(),n=np({roughness:Nn,dotNH:i}),o=op({dotNV:s,dotNL:r});return vn.mul(n).mul(o)})),up=wi((({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=Oi(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i})).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),lp=wi((({f:e})=>{const t=e.length();return ia(t.mul(t).add(e.z).div(t.add(1)),0)})).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),dp=wi((({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),o=i.div(n),a=r.greaterThan(0).select(o,ia(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(o));return e.cross(t).mul(a)})).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),cp=wi((({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:o,p3:a})=>{const u=n.sub(i).toVar(),l=a.sub(i).toVar(),d=u.cross(l),c=$i().toVar();return Fi(d.dot(r.sub(i)).greaterThanEqual(0),(()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(Zi(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(o.sub(r)).normalize().toVar(),m=d.mul(a.sub(r)).normalize().toVar(),f=$i(0).toVar();f.addAssign(dp({v1:h,v2:p})),f.addAssign(dp({v1:p,v2:g})),f.addAssign(dp({v1:g,v2:m})),f.addAssign(dp({v1:m,v2:h})),c.assign($i(lp({f:f})))})),c})).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),hp=1/6,pp=e=>Qn(hp,Qn(e,Qn(e,e.negate().add(3)).sub(3)).add(1)),gp=e=>Qn(hp,Qn(e,Qn(e,Qn(3,e).sub(6))).add(4)),mp=e=>Qn(hp,Qn(e,Qn(e,Qn(-3,e).add(3)).add(3)).add(1)),fp=e=>Qn(hp,ha(e,3)),yp=e=>pp(e).add(gp(e)),xp=e=>mp(e).add(fp(e)),bp=e=>Kn(-1,gp(e).div(pp(e).add(gp(e)))),Tp=e=>Kn(1,fp(e).div(mp(e).add(fp(e)))),_p=(e,t,r)=>{const s=e.uvNode,i=Qn(s,t.zw).add(.5),n=Uo(i),o=Lo(i),a=yp(o.x),u=xp(o.x),l=bp(o.x),d=Tp(o.x),c=bp(o.y),h=Tp(o.y),p=Oi(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=Oi(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=Oi(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=Oi(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=yp(o.y).mul(Kn(a.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),x=xp(o.y).mul(Kn(a.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(x)},vp=wi((([e,t=Ii(3)])=>{const r=Oi(e.size(Li(t))),s=Oi(e.size(Li(t.add(1)))),i=Zn(1,r),n=Zn(1,s),o=_p(e,qi(i,r),Uo(t)),a=_p(e,qi(n,s),Po(t));return Lo(t).mix(o,a)})),Np=wi((([e,t,r,s,i])=>{const n=$i(va(t.negate(),Io(e),Zn(1,s))),o=$i(Ho(i[0].xyz),Ho(i[1].xyz),Ho(i[2].xyz));return Io(n).mul(r.mul(o))})).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),Sp=wi((([e,t])=>e.mul(Ta(t.mul(2).sub(2),0,1)))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),Ap=Xc(),Rp=Xc(),Cp=wi((([e,t,r],{material:s})=>{const i=(s.side===_?Ap:Rp).sample(e),n=Mo(Lc.x).mul(Sp(t,r));return vp(i,n)})),Ep=wi((([e,t,r])=>(Fi(r.notEqual(0),(()=>{const s=wo(t).negate().div(r);return Co(s.negate().mul(e))})),$i(1)))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),wp=wi((([e,t,r,s,i,n,o,a,u,l,d,c,h,p,g])=>{let m,f;if(g){m=qi().toVar(),f=$i().toVar();const i=d.sub(1).mul(g.mul(.025)),n=$i(d.sub(i),d,d.add(i));Tc({start:0,end:3},(({i:i})=>{const d=n.element(i),g=Np(e,t,c,d,a),y=o.add(g),x=l.mul(u.mul(qi(y,1))),b=Oi(x.xy.div(x.w)).toVar();b.addAssign(1),b.divAssign(2),b.assign(Oi(b.x,b.y.oneMinus()));const T=Cp(b,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(Ep(Ho(g),h,p).element(i)))})),m.a.divAssign(3)}else{const i=Np(e,t,c,d,a),n=o.add(i),g=l.mul(u.mul(qi(n,1))),y=Oi(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(Oi(y.x,y.y.oneMinus())),m=Cp(y,r,d),f=s.mul(Ep(Ho(i),h,p))}const y=f.rgb.mul(m.rgb),x=e.dot(t).clamp(),b=$i(sp({dotNV:x,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return qi(b.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())})),Mp=Zi(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),Bp=(e,t)=>e.sub(t).div(e.add(t)).pow2(),Fp=wi((({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=ba(e,t,Na(0,.03,s)),o=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();Fi(o.lessThan(0),(()=>$i(1)));const a=o.sqrt(),u=Bp(n,e),l=Oh({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=Ii(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return $i(1).add(t).div($i(1).sub(t))})(i.clamp(0,.9999)),g=Bp(p,n.toVec3()),m=Oh({f0:g,f90:1,dotVH:a}),f=$i(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,a,2),x=$i(h).add(f),b=l.mul(m).clamp(1e-5,.9999),T=b.sqrt(),_=d.pow2().mul(m).div($i(1).sub(b)),v=l.add(_).toVar(),N=_.sub(d).toVar();return Tc({start:1,end:2,condition:"<=",name:"m"},(({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=$i(54856e-17,44201e-17,52481e-17),i=$i(1681e3,1795300,2208400),n=$i(43278e5,93046e5,66121e5),o=Ii(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let a=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return a=$i(a.x.add(o),a.y,a.z).div(1.0685e-7),Mp.mul(a)})(Ii(e).mul(y),Ii(e).mul(x)).mul(2);v.addAssign(N.mul(t))})),v.max($i(0))})).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),Up=wi((({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.pow2(),n=Fa(r.lessThan(.25),Ii(-339.2).mul(i).add(Ii(161.4).mul(r)).sub(25.9),Ii(-8.48).mul(i).add(Ii(14.3).mul(r)).sub(9.95)),o=Fa(r.lessThan(.25),Ii(44).mul(i).sub(Ii(23.7).mul(r)).add(3.26),Ii(1.97).mul(i).sub(Ii(3.27).mul(r)).add(.72));return Fa(r.lessThan(.25),0,Ii(.1).mul(r).sub(.025)).add(n.mul(s).add(o).exp()).mul(1/Math.PI).saturate()})),Pp=$i(.04),Ip=Ii(1);class Lp extends Ih{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=$i().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=$i().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=$i().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=$i().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=$i().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=wl.dot(Tl).clamp();this.iridescenceFresnel=Fp({outsideIOR:Ii(1),eta2:An,cosTheta1:e,thinFilmThickness:Rn,baseF0:Bn}),this.iridescenceF0=ip({f:this.iridescenceFresnel,f90:1,dotVH:e})}if(!0===this.transmission){const t=yl,r=Ku.sub(yl).normalize(),s=Ml;e.backdrop=wp(s,r,xn,fn,Bn,Fn,t,il,ju,Wu,Vn,Gn,zn,kn,this.dispersion?$n:null),e.backdropAlpha=On,fn.a.mulAssign(ba(1,e.backdrop.a,On))}}computeMultiscattering(e,t,r){const s=wl.dot(Tl).clamp(),i=rp({roughness:xn,dotNV:s}),n=(this.iridescenceF0?Sn.mix(Bn,this.iridescenceF0):Bn).mul(i.x).add(r.mul(i.y)),o=i.x.add(i.y).oneMinus(),a=Bn.add(Bn.oneMinus().mul(.047619)),u=n.mul(a).div(o.mul(a).oneMinus());e.addAssign(n),t.addAssign(u.mul(o))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=wl.dot(e).clamp().mul(t);if(!0===this.sheen&&this.sheenSpecularDirect.addAssign(s.mul(ap({lightDirection:e}))),!0===this.clearcoat){const r=Bl.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(tp({lightDirection:e,f0:Pp,f90:Ip,roughness:_n,normalView:Bl})))}r.directDiffuse.addAssign(s.mul(Gh({diffuseColor:fn.rgb}))),r.directSpecular.addAssign(s.mul(tp({lightDirection:e,f0:Bn,f90:1,roughness:xn,iridescence:this.iridescence,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:o}){const a=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=wl,h=Tl,p=bl.toVar(),g=up({N:c,V:h,roughness:xn}),m=n.sample(g).toVar(),f=o.sample(g).toVar(),y=Zi($i(m.x,0,m.y),$i(0,1,0),$i(m.z,0,m.w)).toVar(),x=Bn.mul(f.x).add(Bn.oneMinus().mul(f.y)).toVar();i.directSpecular.addAssign(e.mul(x).mul(cp({N:c,V:h,P:p,mInv:y,p0:a,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(fn).mul(cp({N:c,V:h,P:p,mInv:Zi(1,0,0,0,1,0,0,0,1),p0:a,p1:u,p2:l,p3:d})))}indirect(e,t,r){this.indirectDiffuse(e,t,r),this.indirectSpecular(e,t,r),this.ambientOcclusion(e,t,r)}indirectDiffuse({irradiance:e,reflectedLight:t}){t.indirectDiffuse.addAssign(e.mul(Gh({diffuseColor:fn})))}indirectSpecular({radiance:e,iblIrradiance:t,reflectedLight:r}){if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(t.mul(vn,Up({normal:wl,viewDir:Tl,roughness:Nn}))),!0===this.clearcoat){const e=Bl.dot(Tl).clamp(),t=sp({dotNV:e,specularColor:Pp,specularF90:Ip,roughness:_n});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const s=$i().toVar("singleScattering"),i=$i().toVar("multiScattering"),n=t.mul(1/Math.PI);this.computeMultiscattering(s,i,Fn);const o=s.add(i),a=fn.mul(o.r.max(o.g).max(o.b).oneMinus());r.indirectSpecular.addAssign(e.mul(s)),r.indirectSpecular.addAssign(i.mul(n)),r.indirectDiffuse.addAssign(a.mul(n))}ambientOcclusion({ambientOcclusion:e,reflectedLight:t}){const r=wl.dot(Tl).clamp().add(e),s=xn.mul(-16).oneMinus().negate().exp2(),i=e.sub(r.pow(s).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(e),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(e),t.indirectDiffuse.mulAssign(e),t.indirectSpecular.mulAssign(i)}finish(e){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=Bl.dot(Tl).clamp(),r=Oh({dotVH:e,f0:Pp,f90:Ip}),s=t.mul(Tn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(Tn));t.assign(s)}if(!0===this.sheen){const e=vn.r.max(vn.g).max(vn.b).mul(.157).oneMinus(),r=t.mul(e).add(this.sheenSpecularDirect,this.sheenSpecularIndirect);t.assign(r)}}}const Dp=Ii(1),Vp=Ii(-2),Op=Ii(.8),Gp=Ii(-1),kp=Ii(.4),zp=Ii(2),$p=Ii(.305),Wp=Ii(3),Hp=Ii(.21),jp=Ii(4),qp=Ii(4),Xp=Ii(16),Kp=wi((([e])=>{const t=$i($o(e)).toVar(),r=Ii(-1).toVar();return Fi(t.x.greaterThan(t.z),(()=>{Fi(t.x.greaterThan(t.y),(()=>{r.assign(Fa(e.x.greaterThan(0),0,3))})).Else((()=>{r.assign(Fa(e.y.greaterThan(0),1,4))}))})).Else((()=>{Fi(t.z.greaterThan(t.y),(()=>{r.assign(Fa(e.z.greaterThan(0),2,5))})).Else((()=>{r.assign(Fa(e.y.greaterThan(0),1,4))}))})),r})).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Yp=wi((([e,t])=>{const r=Oi().toVar();return Fi(t.equal(0),(()=>{r.assign(Oi(e.z,e.y).div($o(e.x)))})).ElseIf(t.equal(1),(()=>{r.assign(Oi(e.x.negate(),e.z.negate()).div($o(e.y)))})).ElseIf(t.equal(2),(()=>{r.assign(Oi(e.x.negate(),e.y).div($o(e.z)))})).ElseIf(t.equal(3),(()=>{r.assign(Oi(e.z.negate(),e.y).div($o(e.x)))})).ElseIf(t.equal(4),(()=>{r.assign(Oi(e.x.negate(),e.z).div($o(e.y)))})).Else((()=>{r.assign(Oi(e.x,e.y).div($o(e.z)))})),Qn(.5,r.add(1))})).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Qp=wi((([e])=>{const t=Ii(0).toVar();return Fi(e.greaterThanEqual(Op),(()=>{t.assign(Dp.sub(e).mul(Gp.sub(Vp)).div(Dp.sub(Op)).add(Vp))})).ElseIf(e.greaterThanEqual(kp),(()=>{t.assign(Op.sub(e).mul(zp.sub(Gp)).div(Op.sub(kp)).add(Gp))})).ElseIf(e.greaterThanEqual($p),(()=>{t.assign(kp.sub(e).mul(Wp.sub(zp)).div(kp.sub($p)).add(zp))})).ElseIf(e.greaterThanEqual(Hp),(()=>{t.assign($p.sub(e).mul(jp.sub(Wp)).div($p.sub(Hp)).add(Wp))})).Else((()=>{t.assign(Ii(-2).mul(Mo(Qn(1.16,e))))})),t})).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),Zp=wi((([e,t])=>{const r=e.toVar();r.assign(Qn(2,r).sub(1));const s=$i(r,1).toVar();return Fi(t.equal(0),(()=>{s.assign(s.zyx)})).ElseIf(t.equal(1),(()=>{s.assign(s.xzy),s.xz.mulAssign(-1)})).ElseIf(t.equal(2),(()=>{s.x.mulAssign(-1)})).ElseIf(t.equal(3),(()=>{s.assign(s.zyx),s.xz.mulAssign(-1)})).ElseIf(t.equal(4),(()=>{s.assign(s.xzy),s.xy.mulAssign(-1)})).ElseIf(t.equal(5),(()=>{s.z.mulAssign(-1)})),s})).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),Jp=wi((([e,t,r,s,i,n])=>{const o=Ii(r),a=$i(t),u=Ta(Qp(o),Vp,n),l=Lo(u),d=Uo(u),c=$i(eg(e,a,d,s,i,n)).toVar();return Fi(l.notEqual(0),(()=>{const t=$i(eg(e,a,d.add(1),s,i,n)).toVar();c.assign(ba(c,t,l))})),c})),eg=wi((([e,t,r,s,i,n])=>{const o=Ii(r).toVar(),a=$i(t),u=Ii(Kp(a)).toVar(),l=Ii(ia(qp.sub(o),0)).toVar();o.assign(ia(o,qp));const d=Ii(Eo(o)).toVar(),c=Oi(Yp(a,u).mul(d.sub(2)).add(1)).toVar();return Fi(u.greaterThan(2),(()=>{c.y.addAssign(d),u.subAssign(3)})),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(Qn(3,Xp))),c.y.addAssign(Qn(4,Eo(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(Oi(),Oi())})),tg=wi((({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:a})=>{const u=Vo(s),l=r.mul(u).add(i.cross(r).mul(Do(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return eg(e,l,t,n,o,a)})),rg=wi((({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:o,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=$i(Fa(t,r,ca(r,s))).toVar();Fi(No(h.equals($i(0))),(()=>{h.assign($i(s.z,0,s.x.negate()))})),h.assign(Io(h));const p=$i().toVar();return p.addAssign(i.element(Li(0)).mul(tg({theta:0,axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),Tc({start:Li(1),end:e},(({i:e})=>{Fi(e.greaterThanEqual(n),(()=>{_c()}));const t=Ii(o.mul(Ii(e))).toVar();p.addAssign(i.element(e).mul(tg({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(tg({theta:t,axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))})),qi(p,1)}));let sg=null;const ig=new WeakMap;function ng(e){let t=ig.get(e);if((void 0!==t?t.pmremVersion:-1)!==e.pmremVersion){const r=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(r))return null;t=sg.fromCubemap(e,t)}else{if(!function(e){return null!=e&&e.height>0}(r))return null;t=sg.fromEquirectangular(e,t)}t.pmremVersion=e.pmremVersion,ig.set(e,t)}return t.texture}class og extends ks{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new ee;s.isRenderTargetTexture=!0,this._texture=Pu(s),this._width=hn(0),this._height=hn(0),this._maxMip=hn(0),this.updateBeforeType=Ms.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(){let e=this._pmrem;const t=e?e.pmremVersion:-1,r=this._value;t!==r.pmremVersion&&(e=!0===r.isPMREMTexture?r:ng(r),null!==e&&(this._pmrem=e,this.updateFromTexture(e)))}setup(e){null===sg&&(sg=e.createPMREMGenerator()),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this));const r=this.value;e.renderer.coordinateSystem===l&&!0!==r.isPMREMTexture&&!0===r.isRenderTargetTexture&&(t=$i(t.x.negate(),t.yz)),t=$i(t.x,t.y.negate(),t.z);let s=this.levelNode;return null===s&&e.context.getTextureLevel&&(s=e.context.getTextureLevel(this)),Jp(this._texture,t,s,this._width,this._height,this._maxMip)}}const ag=Ci(og),ug=new WeakMap;class lg extends Cc{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const e=r.isTextureNode?r.value:t[r.property];let s=ug.get(e);void 0===s&&(s=ag(e),ug.set(e,s)),r=s}const s=t.envMap?$l("envMapIntensity","float",e.material):$l("environmentIntensity","float",e.scene),i=!0===t.useAnisotropy||t.anisotropy>0?ud:wl,n=r.context(dg(xn,i)).mul(s),o=r.context(cg(Ml)).mul(Math.PI).mul(s),a=mu(n),u=mu(o);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(u);const l=e.context.lightingModel.clearcoatRadiance;if(l){const e=r.context(dg(_n,Bl)).mul(s),t=mu(e);l.addAssign(t)}}}const dg=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=Tl.negate().reflect(t),r=e.mul(e).mix(r,t).normalize(),r=r.transformDirection(ju)),r),getTextureLevel:()=>e}},cg=e=>({getUV:()=>e,getTextureLevel:()=>Ii(1)}),hg=new te;class pg extends hh{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(hg),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new lg(t):null}setupLightingModel(){return new Lp}setupSpecular(){const e=ba($i(.04),fn.rgb,bn);Bn.assign(e),Fn.assign(1)}setupVariants(){const e=this.metalnessNode?Ii(this.metalnessNode):wd;bn.assign(e);let t=this.roughnessNode?Ii(this.roughnessNode):Ed;t=Kh({roughness:t}),xn.assign(t),this.setupSpecular(),fn.assign(qi(fn.rgb.mul(e.oneMinus()),fn.a))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const gg=new re;class mg extends pg{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(gg),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?Ii(this.iorNode):$d;Vn.assign(e),Bn.assign(ba(sa(pa(Vn.sub(1).div(Vn.add(1))).mul(Ad),$i(1)).mul(Sd),fn.rgb,bn)),Fn.assign(ba(Sd,1,bn))}setupLightingModel(){return new Lp(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?Ii(this.clearcoatNode):Bd,t=this.clearcoatRoughnessNode?Ii(this.clearcoatRoughnessNode):Fd;Tn.assign(e),_n.assign(Kh({roughness:t}))}if(this.useSheen){const e=this.sheenNode?$i(this.sheenNode):Id,t=this.sheenRoughnessNode?Ii(this.sheenRoughnessNode):Ld;vn.assign(e),Nn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?Ii(this.iridescenceNode):Vd,t=this.iridescenceIORNode?Ii(this.iridescenceIORNode):Od,r=this.iridescenceThicknessNode?Ii(this.iridescenceThicknessNode):Gd;Sn.assign(e),An.assign(t),Rn.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?Oi(this.anisotropyNode):Dd).toVar();En.assign(e.length()),Fi(En.equal(0),(()=>{e.assign(Oi(1,0))})).Else((()=>{e.divAssign(Oi(En)),En.assign(En.saturate())})),Cn.assign(En.pow2().mix(xn.pow2(),1)),wn.assign(od[0].mul(e.x).add(od[1].mul(e.y))),Mn.assign(od[1].mul(e.x).sub(od[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?Ii(this.transmissionNode):kd,t=this.thicknessNode?Ii(this.thicknessNode):zd,r=this.attenuationDistanceNode?Ii(this.attenuationDistanceNode):Wd,s=this.attenuationColorNode?$i(this.attenuationColorNode):Hd;if(On.assign(e),Gn.assign(t),kn.assign(r),zn.assign(s),this.useDispersion){const e=this.dispersionNode?Ii(this.dispersionNode):Zd;$n.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?$i(this.clearcoatNormalNode):Ud}setup(e){e.context.setupClearcoatNormal=()=>this.setupClearcoatNormal(e),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class fg extends Lp{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,o=!1){super(e,t,r,s,i,n),this.useSSS=o}direct({lightDirection:e,lightColor:t,reflectedLight:r},s,i){if(!0===this.useSSS){const s=i.material,{thicknessColorNode:n,thicknessDistortionNode:o,thicknessAmbientNode:a,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=s,c=e.add(wl.mul(o)).normalize(),h=Ii(Tl.dot(c.negate()).saturate().pow(l).mul(d)),p=$i(h.add(a).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s,i)}}class yg extends mg{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=Ii(.1),this.thicknessAmbientNode=Ii(0),this.thicknessAttenuationNode=Ii(.1),this.thicknessPowerNode=Ii(2),this.thicknessScaleNode=Ii(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new fg(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const xg=wi((({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=Oi(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=jl("gradientMap","texture").context({getUV:()=>i});return $i(e.r)}{const e=i.fwidth().mul(.5);return ba($i(.7),$i(1),Na(Ii(.7).sub(e.x),Ii(.7).add(e.x),i.x))}}));class bg extends Ih{direct({lightDirection:e,lightColor:t,reflectedLight:r},s,i){const n=xg({normal:Sl,lightDirection:e,builder:i}).mul(t);r.directDiffuse.addAssign(n.mul(Gh({diffuseColor:fn.rgb})))}indirect({ambientOcclusion:e,irradiance:t,reflectedLight:r}){r.indirectDiffuse.addAssign(t.mul(Gh({diffuseColor:fn}))),r.indirectDiffuse.mulAssign(e)}}const Tg=new se;class _g extends hh{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Tg),this.setValues(e)}setupLightingModel(){return new bg}}class vg extends ks{static get type(){return"MatcapUVNode"}constructor(){super("vec2")}setup(){const e=$i(Tl.z,0,Tl.x.negate()).normalize(),t=Tl.cross(e);return Oi(e.dot(wl),t.dot(wl)).mul(.495).add(.5)}}const Ng=Ei(vg),Sg=new ie;class Ag extends hh{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(Sg),this.setValues(e)}setupVariants(e){const t=Ng;let r;r=e.material.matcap?jl("matcap","texture").context({getUV:()=>t}):$i(ba(.2,.8,t.y)),fn.rgb.mulAssign(r.rgb)}}class Rg extends ks{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}getNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Qi(e,s,s.negate(),e).mul(r)}{const e=t,s=Ji(qi(1,0,0,0),qi(0,Vo(e.x),Do(e.x).negate(),0),qi(0,Do(e.x),Vo(e.x),0),qi(0,0,0,1)),i=Ji(qi(Vo(e.y),0,Do(e.y),0),qi(0,1,0,0),qi(Do(e.y).negate(),0,Vo(e.y),0),qi(0,0,0,1)),n=Ji(qi(Vo(e.z),Do(e.z).negate(),0,0),qi(Do(e.z),Vo(e.z),0,0),qi(0,0,1,0),qi(0,0,0,1));return s.mul(i).mul(n).mul(qi(r,1)).xyz}}}const Cg=Ci(Rg),Eg=new ne;class wg extends hh{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.setDefaultValues(Eg),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,s=this.sizeAttenuation,{positionNode:i,rotationNode:n,scaleNode:o}=this,a=dl.mul($i(i||0));let u=Oi(il[0].xyz.length(),il[1].xyz.length());if(null!==o&&(u=u.mul(Ii(o))),!1===s)if(r.isPerspectiveCamera)u=u.mul(a.z.negate());else{const e=Ii(2).div(Wu.element(1).element(1));u=u.mul(e.mul(2))}let l=gl.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>Si(new tu(e,t,r)))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=Ii(n||Pd),c=Cg(l,d);return qi(a.xy.add(c),a.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const Mg=new oe;class Bg extends wg{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(Mg),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return dl.mul($i(e||ml)).xyz}setupVertex(e){const t=super.setupVertex(e);if(!0!==e.material.isNodeMaterial)return t;const{rotationNode:r,scaleNode:s,sizeNode:i}=this,n=gl.xy.toVar(),o=Vc.z.div(Vc.w);if(r&&r.isNode){const e=Ii(r);n.assign(Cg(n,e))}let a=null!==i?Oi(i):Qd;return!0===this.sizeAttenuation&&(a=a.mul(a.div(bl.z.negate()))),s&&s.isNode&&(a=a.mul(Oi(s))),n.mulAssign(a.mul(2)),n.assign(n.div(Vc.z)),n.y.assign(n.y.mul(o)),n.assign(n.mul(t.w)),t.addAssign(qi(n,0,0)),t}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}class Fg extends Ih{constructor(){super(),this.shadowNode=Ii(1).toVar("shadowMask")}direct({shadowMask:e}){this.shadowNode.mulAssign(e)}finish(e){fn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(fn.rgb)}}const Ug=new ae;class Pg extends hh{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Ug),this.setValues(e)}setupLightingModel(){return new Fg}}const Ig=wi((({texture:e,uv:t})=>{const r=1e-4,s=$i().toVar();return Fi(t.x.lessThan(r),(()=>{s.assign($i(1,0,0))})).ElseIf(t.y.lessThan(r),(()=>{s.assign($i(0,1,0))})).ElseIf(t.z.lessThan(r),(()=>{s.assign($i(0,0,1))})).ElseIf(t.x.greaterThan(.9999),(()=>{s.assign($i(-1,0,0))})).ElseIf(t.y.greaterThan(.9999),(()=>{s.assign($i(0,-1,0))})).ElseIf(t.z.greaterThan(.9999),(()=>{s.assign($i(0,0,-1))})).Else((()=>{const r=.01,i=e.sample(t.add($i(-.01,0,0))).r.sub(e.sample(t.add($i(r,0,0))).r),n=e.sample(t.add($i(0,-.01,0))).r.sub(e.sample(t.add($i(0,r,0))).r),o=e.sample(t.add($i(0,0,-.01))).r.sub(e.sample(t.add($i(0,0,r))).r);s.assign($i(i,n,o))})),s.normalize()}));class Lg extends Uu{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return $i(.5,.5,.5)}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!e.isFlipY()||!0!==r.isRenderTargetTexture&&!0!==r.isFramebufferTexture||(t=this.sampler?t.flipY():t.setY(Li(Mu(this,this.levelNode).y).sub(t.y).sub(1))),t}generateUV(e,t){return t.build(e,"vec3")}normal(e){return Ig({texture:this,uv:e})}}const Dg=Ci(Lg);class Vg extends hh{static get type(){return"VolumeNodeMaterial"}constructor(t){super(),this.isVolumeNodeMaterial=!0,this.base=new e(16777215),this.map=null,this.steps=100,this.testNode=null,this.setValues(t)}setup(e){const t=Dg(this.map,null,0),r=wi((({orig:e,dir:t})=>{const r=$i(-.5),s=$i(.5),i=t.reciprocal(),n=r.sub(e).mul(i),o=s.sub(e).mul(i),a=sa(n,o),u=ia(n,o),l=ia(a.x,ia(a.y,a.z)),d=sa(u.x,sa(u.y,u.z));return Oi(l,d)}));this.fragmentNode=wi((()=>{const e=$a($i(ll.mul(qi(Ku,1)))),s=$a(gl.sub(e)).normalize(),i=Oi(r({orig:e,dir:s})).toVar();i.x.greaterThan(i.y).discard(),i.assign(Oi(ia(i.x,0),i.y));const n=$i(e.add(i.x.mul(s))).toVar(),o=$i(s.abs().reciprocal()).toVar(),a=Ii(sa(o.x,sa(o.y,o.z))).toVar("delta");a.divAssign(jl("steps","float"));const u=qi(jl("base","color"),0).toVar();return Tc({type:"float",start:i.x,end:i.y,update:"+= delta"},(()=>{const e=gn("float","d").assign(t.sample(n.add(.5)).r);null!==this.testNode?this.testNode({map:t,mapValue:e,probe:n,finalColor:u}).append():(u.a.assign(1),_c()),n.addAssign(s.mul(a))})),u.a.equal(0).discard(),qi(u)}))(),super.setup(e)}}class Og{constructor(e,t){this.nodes=e,this.info=t,this._context=self,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,null!==this._animationLoop&&this._animationLoop(t,r)};e()}stop(){this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class Gg{constructor(){this.weakMap=new WeakMap}get(e){let t=this.weakMap;for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this.weakMap;for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this.weakMap;for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let kg=0;class zg{constructor(e,t,r,s,i,n,o,a,u,l){this.id=kg++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=o,this.lightsNode=a,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.material.addEventListener("dispose",this.onMaterialDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.material.hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set;for(const i of e){const e=i.node&&i.node.attribute?i.node.attribute:t.getAttribute(i.name);if(void 0===e)continue;r.push(e);const n=e.isInterleavedBufferAttribute?e.data:e;s.add(n)}return this.attributes=r,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),o=this.getIndex(),a=null!==o,u=r.isInstancedBufferGeometry?r.instanceCount:e.count>1?e.count:1;if(0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;a?p=o.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t}=this;let r=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const s=t[e];let i;if(null!==s){const e=typeof s;"number"===e?i=0!==s?"1":"0":"object"===e?(i="{",s.isTexture&&(i+=s.mapping),i+="}"):i=String(s)}else i=String(s);r+=i+","}return r+=this.clippingContextCacheKey+",",e.geometry&&(r+=this.getGeometryCacheKey()),e.skeleton&&(r+=e.skeleton.bones.length+","),e.isBatchedMesh&&(r+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(r+=e._colorsTexture.uuid+",")),e.count>1&&(r+=e.uuid+","),r+=e.receiveShadow+",",ps(r)}get needsGeometryUpdate(){return this.geometry.id!==this.object.geometry.id}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=ms(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=ms(e,1)),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}const $g=[];class Wg{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,o,a){const u=this.getChainMap(a);$g[0]=e,$g[1]=t,$g[2]=n,$g[3]=i;let l=u.get($g);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,o,a),u.set($g,l)):(l.updateClipping(o),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,o,a)):l.version=t.version)),$g.length=0,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new Gg)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,o,a,u,l,d){const c=this.getChainMap(d),h=new zg(e,t,r,s,i,n,o,a,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.delete(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class Hg{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const jg=1,qg=2,Xg=3,Kg=4,Yg=16;class Qg extends Hg{constructor(e){super(),this.backend=e}delete(e){const t=super.delete(e);return void 0!==t&&this.backend.destroyAttribute(e),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===jg?this.backend.createAttribute(e):t===qg?this.backend.createIndexAttribute(e):t===Xg?this.backend.createStorageAttribute(e):t===Kg&&this.backend.createIndirectStorageAttribute(e),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===f)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function Zg(e){return null!==e.index?e.index.version:e.attributes.position.version}function Jg(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(function(e){for(let t=e.length-1;t>=0;--t)if(e[t]>=65535)return!0;return!1}(t)?ue:le)(t,1);return i.version=Zg(e),i}class em extends Hg{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r)};t.addEventListener("dispose",r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,Xg):this.updateAttribute(e,jg);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,qg);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,Kg)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=Jg(t),e.set(t,r)):r.version!==Zg(t)&&(this.attributes.delete(r),r=Jg(t),e.set(t,r)),s=r}return s}}class tm{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={geometries:0,textures:0}}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):console.error("THREE.WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class rm{constructor(e){this.cacheKey=e,this.usedTimes=0}}class sm extends rm{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class im extends rm{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let nm=0;class om{constructor(e,t,r,s=null,i=null){this.id=nm++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class am extends Hg{constructor(e,t){super(),this.backend=e,this.nodes=t,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let o=this.programs.compute.get(n.computeShader);void 0===o&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),o=new om(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,o),r.createProgram(o));const a=this._getComputeCacheKey(e,o);let u=this.caches.get(a);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,o,a,t)),u.usedTimes++,o.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),o=e.material?e.material.name:"";let a=this.programs.vertex.get(n.vertexShader);void 0===a&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),a=new om(n.vertexShader,"vertex",o),this.programs.vertex.set(n.vertexShader,a),r.createProgram(a));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new om(n.fragmentShader,"fragment",o),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u));const l=this._getRenderCacheKey(e,a,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,a,u,l,t)):e.pipeline=d,d.usedTimes++,a.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new im(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new sm(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class um extends Hg{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings();for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}_updateBindings(e){for(const t of e)this._update(t,e)}_init(e){for(const t of e.bindings)if(t.isSampledTexture)this.textures.updateTexture(t.texture);else if(t.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?Kg:Xg;this.attributes.update(e,r)}}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,o=0;for(const t of e.bindings){if(t.isNodeUniformsGroup){if(!1===this.nodes.updateGroup(t))continue}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampler)t.update();else if(t.isSampledTexture){const e=this.textures.get(t.texture);t.needsBindingsUpdate(e.generation)&&(s=!0);const a=t.update(),u=t.texture;a&&this.textures.updateTexture(u);const l=r.get(u);if(void 0!==l.externalTexture||e.isDefaultTexture?i=!1:(n=10*n+u.id,o+=u.version),!0===r.isWebGPUBackend&&void 0===l.texture&&void 0===l.externalTexture&&(console.error("Bindings._update: binding should be available:",t,a,u,t.textureNode.value,s),this.textures.updateTexture(u),s=!0),!0===u.isStorageTexture){const e=this.get(u);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(u)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(u),e.needsMipmap=!1)}}}!0===s&&this.backend.updateBindings(e,t,i?n:0,o)}}function lm(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.material.id!==t.material.id?e.material.id-t.material.id:e.z!==t.z?e.z-t.z:e.id-t.id}function dm(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function cm(e){return(e.transmission>0||e.transmissionNode)&&e.side===de&&!1===e.forceSinglePass}class hm{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lightsNode=e.getNode(t,r),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,o){let a=this.renderItems[this.renderItemsIndex];return void 0===a?(a={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:o},this.renderItems[this.renderItemsIndex]=a):(a.id=e.id,a.object=e,a.geometry=t,a.material=r,a.groupOrder=s,a.renderOrder=e.renderOrder,a.z=i,a.group=n,a.clippingContext=o),this.renderItemsIndex++,a}push(e,t,r,s,i,n,o){const a=this.getNextRenderItem(e,t,r,s,i,n,o);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0?(cm(r)&&this.transparentDoublePass.push(a),this.transparent.push(a)):this.opaque.push(a)}unshift(e,t,r,s,i,n,o){const a=this.getNextRenderItem(e,t,r,s,i,n,o);!0===r.transparent||r.transmission>0?(cm(r)&&this.transparentDoublePass.unshift(a),this.transparent.unshift(a)):this.opaque.unshift(a)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t){this.opaque.length>1&&this.opaque.sort(e||lm),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||dm),this.transparent.length>1&&this.transparent.sort(t||dm)}finish(){this.lightsNode.setLights(this.lightsArray);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const pm=[];class gm{constructor(e){this.lighting=e,this.lists=new Gg}get(e,t){const r=this.lists;pm[0]=e,pm[1]=t;let s=r.get(pm);return void 0===s&&(s=new hm(this.lighting,e,t),r.set(pm,s)),pm.length=0,s}dispose(){this.lists=new Gg}}let mm=0;class fm{constructor(){this.id=mm++,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.isRenderContext=!0}getCacheKey(){return ym(this)}}function ym(e){const{textures:t,activeCubeFace:r}=e,s=[r];for(const e of t)s.push(e.id);return gs(s)}const xm=[],bm=new z,Tm=new ce;class _m{constructor(){this.chainMaps={}}get(e,t,r=null){let s;if(xm[0]=e,xm[1]=t,null===r)s="default";else{const e=r.texture.format;s=`${r.textures.length}:${e}:${r.samples}:${r.depthBuffer}:${r.stencilBuffer}`}const i=this._getChainMap(s);let n=i.get(xm);return void 0===n&&(n=new fm,i.set(xm,n)),xm.length=0,null!==r&&(n.sampleCount=0===r.samples?1:r.samples),n}getForClear(e=null){return this.get(bm,Tm,e)}_getChainMap(e){return this.chainMaps[e]||(this.chainMaps[e]=new Gg)}dispose(){this.chainMaps={}}}const vm=new r;class Nm extends Hg{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,o=this.getSize(n[0]),a=o.width>>t,u=o.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;void 0===l&&d&&(l=new F,l.format=e.stencilBuffer?he:pe,l.type=e.stencilBuffer?ge:b,l.image.width=a,l.image.height=u,i[t]=l),r.width===o.width&&o.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=a,l.image.height=u)),r.width=o.width,r.height=o.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const h={sampleCount:s};if(!0===e.isXRRenderTarget&&!0===e.hasExternalTextures)l&&!0===e.autoAllocateDepthBuffer&&this.updateTexture(l,h);else{for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,h)}l&&this.updateTexture(l,h)}if(!0!==r.initialized){r.initialized=!0;const t=()=>{e.removeEventListener("dispose",t);for(let e=0;e<n.length;e++)this._destroyTexture(n[e]);l&&this._destroyTexture(l),this.delete(e)};e.addEventListener("dispose",t)}}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&(i.destroySampler(e),i.destroyTexture(e)),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:me}const{width:n,height:o,depth:a}=this.getSize(e);if(t.width=n,t.height=o,t.depth=a,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,o):1,s||!0===e.isStorageTexture)i.createSampler(e),i.createTexture(e,t),r.generation=e.version;else{if(!0!==r.initialized&&i.createSampler(e),e.version>0){const s=e.image;if(void 0===s)console.warn("THREE.Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)console.warn("THREE.Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t),t.needsMipmaps&&0===e.mipmaps.length&&i.generateMipmaps(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version}if(!0!==r.initialized){r.initialized=!0,r.generation=e.version,this.info.memory.textures++;const t=()=>{e.removeEventListener("dispose",t),this._destroyTexture(e),this.info.memory.textures--};e.addEventListener("dispose",t)}r.version=e.version}getSize(e,t=vm){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.isCompressedTexture?e.mipmaps?e.mipmaps.length:1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return this.isEnvironmentTexture(e)||!0===e.isCompressedTexture||e.generateMipmaps}isEnvironmentTexture(e){const t=e.mapping;return t===j||t===q||t===v||t===N}_destroyTexture(e){this.backend.destroySampler(e),this.backend.destroyTexture(e),this.delete(e)}}class Sm extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class Am extends pn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getHash(){return this.uuid}generate(){return this.name}}class Rm extends Vs{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this.isStackNode=!0}getNodeType(e){return this.outputNode?this.outputNode.getNodeType(e):"void"}add(e){return this.nodes.push(e),this}If(e,t){const r=new Ni(t);return this._currentCond=Fa(e,r),this.add(this._currentCond)}ElseIf(e,t){const r=new Ni(t),s=Fa(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new Ni(e),this}build(e,...t){const r=Bi();Mi(this);for(const t of this.nodes)t.build(e,"void");return Mi(r),this.outputNode?this.outputNode.build(e,...t):super.build(e,...t)}else(...e){return console.warn("TSL.StackNode: .else() has been renamed to .Else()."),this.Else(...e)}elseif(...e){return console.warn("TSL.StackNode: .elseif() has been renamed to .ElseIf()."),this.ElseIf(...e)}}const Cm=Ci(Rm);class Em extends Vs{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}setup(e){super.setup(e);const t=this.members,r=[];for(let s=0;s<t.length;s++)r.push(t[s].getNodeType(e));this.nodeType=e.getStructTypeFromNode(this,r).name}generate(e,t){const r=e.getOutputStructName(),s=this.members,i=""!==r?r+".":"";for(let r=0;r<s.length;r++){const n=s[r].build(e,t);e.addLineFlowCode(`${i}m${r} = ${n}`,this)}return r}}const wm=Ci(Em);function Mm(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class Bm extends Em{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.isMRTNode=!0}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes};return Fm(t)}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const e in t){r[Mm(s,e)]=qi(t[e])}return this.members=r,super.setup(e)}}const Fm=Ci(Bm),Um=wi((([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)})),Pm=(e,t)=>ha(Qn(4,e.mul(Yn(1,e))),t),Im=wi((([e])=>e.fract().sub(.5).abs())).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),Lm=wi((([e])=>$i(Im(e.z.add(Im(e.y.mul(1)))),Im(e.z.add(Im(e.x.mul(1)))),Im(e.y.add(Im(e.x.mul(1))))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),Dm=wi((([e,t,r])=>{const s=$i(e).toVar(),i=Ii(1.4).toVar(),n=Ii(0).toVar(),o=$i(s).toVar();return Tc({start:Ii(0),end:Ii(3),type:"float",condition:"<="},(()=>{const e=$i(Lm(o.mul(2))).toVar();s.addAssign(e.add(r.mul(Ii(.1).mul(t)))),o.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const a=Ii(Im(s.z.add(Im(s.x.add(Im(s.y)))))).toVar();n.addAssign(a.div(i)),o.addAssign(.14)})),n})).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class Vm extends Vs{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFnCall=null,this.global=!0}getNodeType(){return this.functionNodes[0].shaderNode.layout.type}setup(e){const t=this.parametersNodes;let r=this._candidateFnCall;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("FunctionOverloadingNode: FunctionNode must be a layout.");const o=n.inputs;if(t.length===o.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=o[r];s.getNodeType(e)===i.type?n++:n=0}n>i&&(s=r,i=n)}}this._candidateFnCall=r=s(...t)}return r}}const Om=Ci(Vm),Gm=e=>(...t)=>Om(e,...t),km=hn(0).setGroup(ln).onRenderUpdate((e=>e.time)),zm=hn(0).setGroup(ln).onRenderUpdate((e=>e.deltaTime)),$m=hn(0,"uint").setGroup(ln).onRenderUpdate((e=>e.frameId)),Wm=wi((([e,t,r=Oi(.5)])=>Cg(e.sub(r),t).add(r))),Hm=wi((([e,t,r=Oi(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))})),jm=wi((({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=il.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=il;const i=ju.mul(s);return _i(t)&&(i[0][0]=il[0].length(),i[0][1]=0,i[0][2]=0),_i(r)&&(i[1][0]=0,i[1][1]=il[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,Wu.mul(i).mul(ml)})),qm=wi((([e=null])=>{const t=nh();return nh(Qc(e)).sub(t).lessThan(0).select(Ic,e)}));class Xm extends Vs{static get type(){return"SpriteSheetUVNode"}constructor(e,t=Eu(),r=Ii(0)){super("vec2"),this.countNode=e,this.uvNode=t,this.frameNode=r}setup(){const{frameNode:e,uvNode:t,countNode:r}=this,{width:s,height:i}=r,n=e.mod(s.mul(i)).floor(),o=n.mod(s),a=i.sub(n.add(1).div(s).ceil()),u=r.reciprocal(),l=Oi(o,a);return t.add(l).mul(u)}}const Km=Ci(Xm);class Ym extends Vs{static get type(){return"TriplanarTexturesNode"}constructor(e,t=null,r=null,s=Ii(1),i=ml,n=Al){super("vec4"),this.textureXNode=e,this.textureYNode=t,this.textureZNode=r,this.scaleNode=s,this.positionNode=i,this.normalNode=n}setup(){const{textureXNode:e,textureYNode:t,textureZNode:r,scaleNode:s,positionNode:i,normalNode:n}=this;let o=n.abs().normalize();o=o.div(o.dot($i(1)));const a=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=Pu(d,a).mul(o.x),g=Pu(c,u).mul(o.y),m=Pu(h,l).mul(o.z);return Kn(p,g,m)}}const Qm=Ci(Ym),Zm=new ye,Jm=new r,ef=new r,tf=new r,rf=new o,sf=new r(0,0,-1),nf=new s,of=new r,af=new r,uf=new s,lf=new t,df=new fe,cf=Ic.flipX();df.depthTexture=new F(1,1);let hf=!1;class pf extends Uu{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||df.texture,cf),this._reflectorBaseNode=e.reflector||new gf(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=Si(new pf({defaultTexture:df.depthTexture,reflector:this._reflectorBaseNode}))}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e._reflectorBaseNode=this._reflectorBaseNode,e}}class gf extends Vs{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new xe,resolution:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:o=!1}=t;this.textureNode=e,this.target=r,this.resolution=s,this.generateMipmaps=i,this.bounces=n,this.depth=o,this.updateBeforeType=n?Ms.RENDER:Ms.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new WeakMap}_updateResolution(e,t){const r=this.resolution;t.getDrawingBufferSize(lf),e.setSize(Math.round(lf.width*r),Math.round(lf.height*r))}setup(e){return this._updateResolution(df,e.renderer),super.setup(e)}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new fe(0,0,{type:be}),!0===this.generateMipmaps&&(t.texture.minFilter=Te,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new F),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&hf)return!1;hf=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,o=this.getVirtualCamera(r),a=this.getRenderTarget(o);if(s.getDrawingBufferSize(lf),this._updateResolution(a,s),ef.setFromMatrixPosition(n.matrixWorld),tf.setFromMatrixPosition(r.matrixWorld),rf.extractRotation(n.matrixWorld),Jm.set(0,0,1),Jm.applyMatrix4(rf),of.subVectors(ef,tf),of.dot(Jm)>0)return;of.reflect(Jm).negate(),of.add(ef),rf.extractRotation(r.matrixWorld),sf.set(0,0,-1),sf.applyMatrix4(rf),sf.add(tf),af.subVectors(ef,sf),af.reflect(Jm).negate(),af.add(ef),o.coordinateSystem=r.coordinateSystem,o.position.copy(of),o.up.set(0,1,0),o.up.applyMatrix4(rf),o.up.reflect(Jm),o.lookAt(af),o.near=r.near,o.far=r.far,o.updateMatrixWorld(),o.projectionMatrix.copy(r.projectionMatrix),Zm.setFromNormalAndCoplanarPoint(Jm,ef),Zm.applyMatrix4(o.matrixWorldInverse),nf.set(Zm.normal.x,Zm.normal.y,Zm.normal.z,Zm.constant);const u=o.projectionMatrix;uf.x=(Math.sign(nf.x)+u.elements[8])/u.elements[0],uf.y=(Math.sign(nf.y)+u.elements[9])/u.elements[5],uf.z=-1,uf.w=(1+u.elements[10])/u.elements[14],nf.multiplyScalar(1/nf.dot(uf));u.elements[2]=nf.x,u.elements[6]=nf.y,u.elements[10]=s.coordinateSystem===d?nf.z-0:nf.z+1-0,u.elements[14]=nf.w,this.textureNode.value=a.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=a.depthTexture),i.visible=!1;const l=s.getRenderTarget(),c=s.getMRT(),h=s.autoClear;s.setMRT(null),s.setRenderTarget(a),s.autoClear=!0,s.render(t,o),s.setMRT(c),s.setRenderTarget(l),s.autoClear=h,i.visible=!0,hf=!1}}const mf=new _e(-1,1,1,-1,0,1);class ff extends ve{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new Ne([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new Ne(t,2))}}const yf=new ff;class xf extends k{constructor(e=null){super(yf,e),this.camera=mf,this.isQuadMesh=!0}async renderAsync(e){return e.renderAsync(this,mf)}render(e){e.render(this,mf)}}const bf=new t;class Tf extends Uu{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:be}){const i=new fe(t,r,s);super(i.texture,Eu()),this.node=e,this.width=t,this.height=r,this.pixelRatio=1,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._rttNode=null,this._quadMesh=new xf(new hh),this.updateBeforeType=Ms.RENDER}get autoSize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){this.width=e,this.height=t;const r=e*this.pixelRatio,s=t*this.pixelRatio;this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setPixelRatio(e){this.pixelRatio=e,this.setSize(this.width,this.height)}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;if(this.textureNeedsUpdate=!1,!0===this.autoSize){this.pixelRatio=e.getPixelRatio();const t=e.getSize(bf);this.setSize(t.width,t.height)}this._quadMesh.material.fragmentNode=this._rttNode;const t=e.getRenderTarget();e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(t)}clone(){const e=new Uu(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const _f=(e,...t)=>Si(new Tf(Si(e),...t)),vf=wi((([e,t,r],s)=>{let i;s.renderer.coordinateSystem===d?(e=Oi(e.x,e.y.oneMinus()).mul(2).sub(1),i=qi($i(e,t),1)):i=qi($i(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=qi(r.mul(i));return n.xyz.div(n.w)})),Nf=wi((([e,t])=>{const r=t.mul(qi(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return Oi(s.x,s.y.oneMinus())})),Sf=wi((([e,t,r])=>{const s=Mu(Iu(t)),i=Gi(e.mul(s)).toVar(),n=Iu(t,i).toVar(),o=Iu(t,i.sub(Gi(2,0))).toVar(),a=Iu(t,i.sub(Gi(1,0))).toVar(),u=Iu(t,i.add(Gi(1,0))).toVar(),l=Iu(t,i.add(Gi(2,0))).toVar(),d=Iu(t,i.add(Gi(0,2))).toVar(),c=Iu(t,i.add(Gi(0,1))).toVar(),h=Iu(t,i.sub(Gi(0,1))).toVar(),p=Iu(t,i.sub(Gi(0,2))).toVar(),g=$o(Yn(Ii(2).mul(a).sub(o),n)).toVar(),m=$o(Yn(Ii(2).mul(u).sub(l),n)).toVar(),f=$o(Yn(Ii(2).mul(c).sub(d),n)).toVar(),y=$o(Yn(Ii(2).mul(h).sub(p),n)).toVar(),x=vf(e,n,r).toVar(),b=g.lessThan(m).select(x.sub(vf(e.sub(Oi(Ii(1).div(s.x),0)),a,r)),x.negate().add(vf(e.add(Oi(Ii(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(x.sub(vf(e.add(Oi(0,Ii(1).div(s.y))),c,r)),x.negate().add(vf(e.sub(Oi(0,Ii(1).div(s.y))),h,r)));return Io(ca(b,T))}));class Af extends C{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class Rf extends Se{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class Cf extends Os{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.context.assign;if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const Ef=Ci(Cf);class wf extends Lu{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t=Ts(e.itemSize),r=e.count),super(e,t,r),this.isStorageBufferNode=!0,this.access=Fs.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){if(0===this.bufferCount){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return Ef(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(Fs.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=uu(this.value),this._varying=$a(this._attribute)),{attribute:this._attribute,varying:this._varying}}getNodeType(e){if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.getNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}generate(e){if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const Mf=(e,t=null,r=0)=>Si(new wf(e,t,r));class Bf extends Ru{static get type(){return"VertexColorNode"}constructor(e=0){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}class Ff extends Vs{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const Uf=Ei(Ff),Pf=new Re,If=new o;class Lf extends Vs{static get type(){return"SceneNode"}constructor(e=Lf.BACKGROUND_BLURRINESS,t=null){super(),this.scope=e,this.scene=t}setup(e){const t=this.scope,r=null!==this.scene?this.scene:e.scene;let s;return t===Lf.BACKGROUND_BLURRINESS?s=$l("backgroundBlurriness","float",r):t===Lf.BACKGROUND_INTENSITY?s=$l("backgroundIntensity","float",r):t===Lf.BACKGROUND_ROTATION?s=hn("mat4").label("backgroundRotation").setGroup(ln).onRenderUpdate((()=>{const e=r.background;return null!==e&&e.isTexture&&e.mapping!==Ae?(Pf.copy(r.backgroundRotation),Pf.x*=-1,Pf.y*=-1,Pf.z*=-1,If.makeRotationFromEuler(Pf)):If.identity(),If})):console.error("THREE.SceneNode: Unknown scope:",t),s}}Lf.BACKGROUND_BLURRINESS="backgroundBlurriness",Lf.BACKGROUND_INTENSITY="backgroundIntensity",Lf.BACKGROUND_ROTATION="backgroundRotation";const Df=Ei(Lf,Lf.BACKGROUND_BLURRINESS),Vf=Ei(Lf,Lf.BACKGROUND_INTENSITY),Of=Ei(Lf,Lf.BACKGROUND_ROTATION);class Gf extends Uu{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.isStorageTextureNode=!0,this.access=Fs.WRITE_ONLY}getInputType(){return"storageTexture"}setup(e){super.setup(e);e.getNodeProperties(this).storeNode=this.storeNode}setAccess(e){return this.access=e,this}generate(e,t){let r;return r=null!==this.storeNode?this.generateStore(e):super.generate(e,t),r}toReadWrite(){return this.setAccess(Fs.READ_WRITE)}toReadOnly(){return this.setAccess(Fs.READ_ONLY)}toWriteOnly(){return this.setAccess(Fs.WRITE_ONLY)}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s}=t,i=super.generate(e,"property"),n=r.build(e,"uvec2"),o=s.build(e,"vec4"),a=e.generateTextureStore(e,i,n,o);e.addLineFlowCode(a,this)}}const kf=Ci(Gf);class zf extends zl{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const $f=new WeakMap;class Wf extends ks{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=Ms.OBJECT,this.updateAfterType=Ms.OBJECT,this.previousModelWorldMatrix=hn(new o),this.previousProjectionMatrix=hn(new o).setGroup(ln),this.previousCameraViewMatrix=hn(new o)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=jf(r);this.previousModelWorldMatrix.value.copy(s);const i=Hf(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new o,i.previousCameraViewMatrix=new o,i.currentProjectionMatrix=new o,i.currentCameraViewMatrix=new o,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){jf(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?Wu:hn(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(dl).mul(ml),s=this.previousProjectionMatrix.mul(t).mul(fl),i=r.xy.div(r.w),n=s.xy.div(s.w);return Yn(i,n)}}function Hf(e){let t=$f.get(e);return void 0===t&&(t={},$f.set(e,t)),t}function jf(e,t=0){const r=Hf(e);let s=r[t];return void 0===s&&(r[t]=s=new o),s}const qf=Ei(Wf),Xf=wi((([e,t])=>sa(1,e.oneMinus().div(t)).oneMinus())).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Kf=wi((([e,t])=>sa(e.div(t.oneMinus()),1))).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Yf=wi((([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus())).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Qf=wi((([e,t])=>ba(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),oa(.5,e)))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Zf=wi((([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return qi(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)})).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),Jf=wi((([e])=>sy(e.rgb))),ey=wi((([e,t=Ii(1)])=>t.mix(sy(e.rgb),e.rgb))),ty=wi((([e,t=Ii(1)])=>{const r=Kn(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return ba(e.rgb,s,i)})),ry=wi((([e,t=Ii(1)])=>{const r=$i(.57735,.57735,.57735),s=t.cos();return $i(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(da(r,e.rgb).mul(s.oneMinus())))))})),sy=(e,t=$i(c.getLuminanceCoefficients(new r)))=>da(e,t),iy=wi((([e,t=$i(1),s=$i(0),i=$i(1),n=Ii(1),o=$i(c.getLuminanceCoefficients(new r,Ce))])=>{const a=e.rgb.dot($i(o)),u=ia(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return Fi(u.r.greaterThan(0),(()=>{u.r.assign(l.r)})),Fi(u.g.greaterThan(0),(()=>{u.g.assign(l.g)})),Fi(u.b.greaterThan(0),(()=>{u.b.assign(l.b)})),u.assign(a.add(u.sub(a).mul(n))),qi(u.rgb,e.a)}));class ny extends ks{static get type(){return"PosterizeNode"}constructor(e,t){super(),this.sourceNode=e,this.stepsNode=t}setup(){const{sourceNode:e,stepsNode:t}=this;return e.mul(t).floor().div(t)}}const oy=Ci(ny),ay=new t;class uy extends Uu{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.setUpdateMatrix(!1)}setup(e){return e.object.isQuadMesh&&this.passNode.build(e),super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class ly extends uy{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){return new this.constructor(this.passNode,this.textureName,this.previousTexture)}}class dy extends ks{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._pixelRatio=1,this._width=1,this._height=1;const i=new F;i.isRenderTargetTexture=!0,i.name="depth";const n=new fe(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:be,...s});n.texture.name="output",n.depthTexture=i,this.renderTarget=n,this._textures={output:n.texture,depth:i},this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=hn(0),this._cameraFar=hn(0),this._mrt=null,this.isPassNode=!0,this.updateBeforeType=Ms.FRAME}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}isGlobal(){return!0}getTexture(e){let t=this._textures[e];if(void 0===t){t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=Si(new ly(this,e)),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=Si(new ly(this,e,!0)),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=th(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=Jc(i,r,s)}return t}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,!0===e.backend.isWebGLBackend&&(this.renderTarget.samples=0),this.scope===dy.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r,camera:s}=this;this._pixelRatio=t.getPixelRatio();const i=t.getSize(ay);this.setSize(i.width,i.height);const n=t.getRenderTarget(),o=t.getMRT();this._cameraNear.value=s.near,this._cameraFar.value=s.far;for(const e in this._previousTextures)this.toggleTexture(e);t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.render(r,s),t.setRenderTarget(n),t.setMRT(o)}setSize(e,t){this._width=e,this._height=t;const r=this._width*this._pixelRatio,s=this._height*this._pixelRatio;this.renderTarget.setSize(r,s)}setPixelRatio(e){this._pixelRatio=e,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}dy.COLOR="color",dy.DEPTH="depth";class cy extends dy{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(dy.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction(((e,r,s,i,n,o,a,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,o,a,u)}t.renderObject(e,r,s,i,n,o,a,u)})),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new hh;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=_;const t=Al.negate(),r=Wu.mul(dl),s=Ii(1),i=r.mul(qi(ml,1)),n=r.mul(qi(ml.add(t),1)),o=Io(i.sub(n));return e.vertexNode=i.add(o.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=qi(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const hy=wi((([e,t])=>e.mul(t).clamp())).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),py=wi((([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp())).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),gy=wi((([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)})).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),my=wi((([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)})),fy=wi((([e,t])=>{const r=Zi(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=Zi(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=my(e),(e=s.mul(e)).clamp()})).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),yy=Zi($i(1.6605,-.1246,-.0182),$i(-.5876,1.1329,-.1006),$i(-.0728,-.0083,1.1187)),xy=Zi($i(.6274,.0691,.0164),$i(.3293,.9195,.088),$i(.0433,.0113,.8956)),by=wi((([e])=>{const t=$i(e).toVar(),r=$i(t.mul(t)).toVar(),s=$i(r.mul(r)).toVar();return Ii(15.5).mul(s.mul(r)).sub(Qn(40.14,s.mul(t))).add(Qn(31.96,s).sub(Qn(6.868,r.mul(t))).add(Qn(.4298,r).add(Qn(.1191,t).sub(.00232))))})),Ty=wi((([e,t])=>{const r=$i(e).toVar(),s=Zi($i(.856627153315983,.137318972929847,.11189821299995),$i(.0951212405381588,.761241990602591,.0767994186031903),$i(.0482516061458583,.101439036467562,.811302368396859)),i=Zi($i(1.1271005818144368,-.1413297634984383,-.14132976349843826),$i(-.11060664309660323,1.157823702216272,-.11060664309660294),$i(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=Ii(-12.47393),o=Ii(4.026069);return r.mulAssign(t),r.assign(xy.mul(r)),r.assign(s.mul(r)),r.assign(ia(r,1e-10)),r.assign(Mo(r)),r.assign(r.sub(n).div(o.sub(n))),r.assign(Ta(r,0,1)),r.assign(by(r)),r.assign(i.mul(r)),r.assign(ha(ia($i(0),r),$i(2.2))),r.assign(yy.mul(r)),r.assign(Ta(r,0,1)),r})).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),_y=wi((([e,t])=>{const r=Ii(.76),s=Ii(.15);e=e.mul(t);const i=sa(e.r,sa(e.g,e.b)),n=Fa(i.lessThan(.08),i.sub(Qn(6.25,i.mul(i))),.04);e.subAssign(n);const o=ia(e.r,ia(e.g,e.b));Fi(o.lessThan(r),(()=>e));const a=Yn(1,r),u=Yn(1,a.mul(a).div(o.add(a.sub(r))));e.mulAssign(u.div(o));const l=Yn(1,Zn(1,s.mul(o.sub(u)).add(1)));return ba(e,$i(u),l)})).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class vy extends Vs{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.code=e,this.includes=t,this.language=r}isGlobal(){return!0}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const Ny=Ci(vy);class Sy extends vy{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}getNodeType(e){return this.getNodeFunction(e).type}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const o=e.getPropertyName(n),a=this.getNodeFunction(e).getCode(o);return n.code=a+"\n","property"===t?o:e.format(`${o}()`,i,t)}}const Ay=(e,t=[],r="")=>{for(let e=0;e<t.length;e++){const r=t[e];"function"==typeof r&&(t[e]=r.functionNode)}const s=Si(new Sy(e,t,r)),i=(...e)=>s.call(...e);return i.functionNode=s,i};class Ry extends Vs{static get type(){return"ScriptableValueNode"}constructor(e=null){super(),this._value=e,this._cache=null,this.inputType=null,this.outputType=null,this.events=new a,this.isScriptableValueNode=!0}get isScriptableOutputNode(){return null!==this.outputType}set value(e){this._value!==e&&(this._cache&&"URL"===this.inputType&&this.value.value instanceof ArrayBuffer&&(URL.revokeObjectURL(this._cache),this._cache=null),this._value=e,this.events.dispatchEvent({type:"change"}),this.refresh())}get value(){return this._value}refresh(){this.events.dispatchEvent({type:"refresh"})}getValue(){const e=this.value;if(e&&null===this._cache&&"URL"===this.inputType&&e.value instanceof ArrayBuffer)this._cache=URL.createObjectURL(new Blob([e.value]));else if(e&&null!==e.value&&void 0!==e.value&&(("URL"===this.inputType||"String"===this.inputType)&&"string"==typeof e.value||"Number"===this.inputType&&"number"==typeof e.value||"Vector2"===this.inputType&&e.value.isVector2||"Vector3"===this.inputType&&e.value.isVector3||"Vector4"===this.inputType&&e.value.isVector4||"Color"===this.inputType&&e.value.isColor||"Matrix3"===this.inputType&&e.value.isMatrix3||"Matrix4"===this.inputType&&e.value.isMatrix4))return e.value;return this._cache||e}getNodeType(e){return this.value&&this.value.isNode?this.value.getNodeType(e):"float"}setup(){return this.value&&this.value.isNode?this.value:Ii()}serialize(e){super.serialize(e),null!==this.value?"ArrayBuffer"===this.inputType?e.value=Rs(this.value):e.value=this.value?this.value.toJSON(e.meta).uuid:null:e.value=null,e.inputType=this.inputType,e.outputType=this.outputType}deserialize(e){super.deserialize(e);let t=null;null!==e.value&&(t="ArrayBuffer"===e.inputType?Cs(e.value):"Texture"===e.inputType?e.meta.textures[e.value]:e.meta.nodes[e.value]||null),this.value=t,this.inputType=e.inputType,this.outputType=e.outputType}}const Cy=Ci(Ry);class Ey extends Map{get(e,t=null,...r){if(this.has(e))return super.get(e);if(null!==t){const s=t(...r);return this.set(e,s),s}}}class wy{constructor(e){this.scriptableNode=e}get parameters(){return this.scriptableNode.parameters}get layout(){return this.scriptableNode.getLayout()}getInputLayout(e){return this.scriptableNode.getInputLayout(e)}get(e){const t=this.parameters[e];return t?t.getValue():null}}const My=new Ey;class By extends Vs{static get type(){return"ScriptableNode"}constructor(e=null,t={}){super(),this.codeNode=e,this.parameters=t,this._local=new Ey,this._output=Cy(),this._outputs={},this._source=this.source,this._method=null,this._object=null,this._value=null,this._needsOutputUpdate=!0,this.onRefresh=this.onRefresh.bind(this),this.isScriptableNode=!0}get source(){return this.codeNode?this.codeNode.code:""}setLocal(e,t){return this._local.set(e,t)}getLocal(e){return this._local.get(e)}onRefresh(){this._refresh()}getInputLayout(e){for(const t of this.getLayout())if(t.inputType&&(t.id===e||t.name===e))return t}getOutputLayout(e){for(const t of this.getLayout())if(t.outputType&&(t.id===e||t.name===e))return t}setOutput(e,t){const r=this._outputs;return void 0===r[e]?r[e]=Cy(t):r[e].value=t,this}getOutput(e){return this._outputs[e]}getParameter(e){return this.parameters[e]}setParameter(e,t){const r=this.parameters;return t&&t.isScriptableNode?(this.deleteParameter(e),r[e]=t,r[e].getDefaultOutput().events.addEventListener("refresh",this.onRefresh)):t&&t.isScriptableValueNode?(this.deleteParameter(e),r[e]=t,r[e].events.addEventListener("refresh",this.onRefresh)):void 0===r[e]?(r[e]=Cy(t),r[e].events.addEventListener("refresh",this.onRefresh)):r[e].value=t,this}getValue(){return this.getDefaultOutput().getValue()}deleteParameter(e){let t=this.parameters[e];return t&&(t.isScriptableNode&&(t=t.getDefaultOutput()),t.events.removeEventListener("refresh",this.onRefresh)),this}clearParameters(){for(const e of Object.keys(this.parameters))this.deleteParameter(e);return this.needsUpdate=!0,this}call(e,...t){const r=this.getObject()[e];if("function"==typeof r)return r(...t)}async callAsync(e,...t){const r=this.getObject()[e];if("function"==typeof r)return"AsyncFunction"===r.constructor.name?await r(...t):r(...t)}getNodeType(e){return this.getDefaultOutputNode().getNodeType(e)}refresh(e=null){null!==e?this.getOutput(e).refresh():this._refresh()}getObject(){if(this.needsUpdate&&this.dispose(),null!==this._object)return this._object;const e=new wy(this),t=My.get("THREE"),r=My.get("TSL"),s=this.getMethod(),i=[e,this._local,My,()=>this.refresh(),(e,t)=>this.setOutput(e,t),t,r];this._object=s(...i);const n=this._object.layout;if(n&&(!1===n.cache&&this._local.clear(),this._output.outputType=n.outputType||null,Array.isArray(n.elements)))for(const e of n.elements){const t=e.id||e.name;e.inputType&&(void 0===this.getParameter(t)&&this.setParameter(t,null),this.getParameter(t).inputType=e.inputType),e.outputType&&(void 0===this.getOutput(t)&&this.setOutput(t,null),this.getOutput(t).outputType=e.outputType)}return this._object}deserialize(e){super.deserialize(e);for(const e in this.parameters){let t=this.parameters[e];t.isScriptableNode&&(t=t.getDefaultOutput()),t.events.addEventListener("refresh",this.onRefresh)}}getLayout(){return this.getObject().layout}getDefaultOutputNode(){const e=this.getDefaultOutput().value;return e&&e.isNode?e:Ii()}getDefaultOutput(){return this._exec()._output}getMethod(){if(this.needsUpdate&&this.dispose(),null!==this._method)return this._method;const e=["layout","init","main","dispose"].join(", "),t="\nreturn { ...output, "+e+" };",r="var "+e+"; var output = {};\n"+this.codeNode.code+t;return this._method=new Function(...["parameters","local","global","refresh","setOutput","THREE","TSL"],r),this._method}dispose(){null!==this._method&&(this._object&&"function"==typeof this._object.dispose&&this._object.dispose(),this._method=null,this._object=null,this._source=null,this._value=null,this._needsOutputUpdate=!0,this._output.value=null,this._outputs={})}setup(){return this.getDefaultOutputNode()}getCacheKey(e){const t=[ps(this.source),this.getDefaultOutputNode().getCacheKey(e)];for(const r in this.parameters)t.push(this.parameters[r].getCacheKey(e));return gs(t)}set needsUpdate(e){!0===e&&this.dispose()}get needsUpdate(){return this.source!==this._source}_exec(){return null===this.codeNode||(!0===this._needsOutputUpdate&&(this._value=this.call("main"),this._needsOutputUpdate=!1),this._output.value=this._value),this}_refresh(){this.needsUpdate=!0,this._exec(),this._output.refresh()}}const Fy=Ci(By);function Uy(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||bl.z).negate()}const Py=wi((([e,t],r)=>{const s=Uy(r);return Na(e,t,s)})),Iy=wi((([e],t)=>{const r=Uy(t);return e.mul(e,r,r).negate().exp().oneMinus()})),Ly=wi((([e,t])=>qi(t.toFloat().mix(Pn.rgb,e.toVec3()),Pn.a)));let Dy=null,Vy=null;class Oy extends Vs{static get type(){return"RangeNode"}constructor(e=Ii(),t=Ii()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=e.getTypeLength(Ns(this.minNode.value)),r=e.getTypeLength(Ns(this.maxNode.value));return t>r?t:r}getNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.minNode.value,n=this.maxNode.value,o=e.getTypeLength(Ns(i)),a=e.getTypeLength(Ns(n));Dy=Dy||new s,Vy=Vy||new s,Dy.setScalar(0),Vy.setScalar(0),1===o?Dy.setScalar(i):i.isColor?Dy.set(i.r,i.g,i.b,1):Dy.set(i.x,i.y,i.z||0,i.w||0),1===a?Vy.setScalar(n):n.isColor?Vy.set(n.r,n.g,n.b,1):Vy.set(n.x,n.y,n.z||0,n.w||0);const l=4,d=l*t.count,c=new Float32Array(d);for(let e=0;e<d;e++){const t=e%l,r=Dy.getComponent(t),s=Vy.getComponent(t);c[e]=u.lerp(r,s,Math.random())}const h=this.getNodeType(e);if(t.count<=4096)r=Du(c,"vec4",t.count).element(nc).convert(h);else{const t=new C(c,4);e.geometry.setAttribute("__range"+this.id,t),r=du(t).convert(h)}}else r=Ii(0);return r}}const Gy=Ci(Oy);class ky extends Vs{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}getNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(console.warn(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const zy=(e,t)=>Si(new ky(e,t)),$y=zy("numWorkgroups","uvec3"),Wy=zy("workgroupId","uvec3"),Hy=zy("globalId","uvec3"),jy=zy("localId","uvec3"),qy=zy("subgroupSize","uint");const Xy=Ci(class extends Vs{constructor(e){super(),this.scope=e}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}});class Ky extends Os{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.context.assign;if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class Yy extends Vs{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e}label(e){return this.name=e,this}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return Si(new Ky(this,e))}generate(e){return e.getScopedArray(this.name||`${this.scope}Array_${this.id}`,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class Qy extends ks{static get type(){return"AtomicFunctionNode"}constructor(e,t,r,s=null){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.storeNode=s}getInputType(e){return this.pointerNode.getNodeType(e)}getNodeType(e){return this.getInputType(e)}generate(e){const t=this.method,r=this.getNodeType(e),s=this.getInputType(e),i=this.pointerNode,n=this.valueNode,o=[];o.push(`&${i.build(e,s)}`),null!==n&&o.push(n.build(e,s));const a=`${e.getMethod(t,r)}( ${o.join(", ")} )`;if(null!==this.storeNode){const t=this.storeNode.build(e,s);e.addLineFlowCode(`${t} = ${a}`,this)}else e.addLineFlowCode(a,this)}}Qy.ATOMIC_LOAD="atomicLoad",Qy.ATOMIC_STORE="atomicStore",Qy.ATOMIC_ADD="atomicAdd",Qy.ATOMIC_SUB="atomicSub",Qy.ATOMIC_MAX="atomicMax",Qy.ATOMIC_MIN="atomicMin",Qy.ATOMIC_AND="atomicAnd",Qy.ATOMIC_OR="atomicOr",Qy.ATOMIC_XOR="atomicXor";const Zy=Ci(Qy),Jy=(e,t,r,s=null)=>{const i=Zy(e,t,r,s);return i.append(),i};let ex;function tx(e){ex=ex||new WeakMap;let t=ex.get(e);return void 0===t&&ex.set(e,t={}),t}function rx(e){const t=tx(e);return t.shadowMatrix||(t.shadowMatrix=hn("mat4").setGroup(ln).onRenderUpdate((()=>(!0!==e.castShadow&&e.shadow.updateMatrices(e),e.shadow.matrix))))}function sx(e){const t=tx(e);if(void 0===t.projectionUV){const r=rx(e).mul(yl);t.projectionUV=r.xyz.div(r.w)}return t.projectionUV}function ix(e){const t=tx(e);return t.position||(t.position=hn(new r).setGroup(ln).onRenderUpdate(((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld))))}function nx(e){const t=tx(e);return t.targetPosition||(t.targetPosition=hn(new r).setGroup(ln).onRenderUpdate(((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld))))}function ox(e){const t=tx(e);return t.viewPosition||(t.viewPosition=hn(new r).setGroup(ln).onRenderUpdate((({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)})))}const ax=e=>ju.transformDirection(ix(e).sub(nx(e))),ux=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},lx=new WeakMap;class dx extends Vs{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=$i().toVar("totalDiffuse"),this.totalSpecularNode=$i().toVar("totalSpecular"),this.outgoingLightNode=$i().toVar("outgoingLight"),this._lights=[],this._lightNodes=null,this._lightNodesHash=null,this.global=!0}customCacheKey(){const e=[],t=this._lights;for(let r=0;r<t.length;r++)e.push(t[r].id);return gs(e)}getHash(e){if(null===this._lightNodesHash){null===this._lightNodes&&this.setupLightsNode(e);const t=[];for(const e of this._lightNodes)t.push(e.getSelf().getHash());this._lightNodesHash="lights-"+t.join(",")}return this._lightNodesHash}analyze(e){const t=e.getDataFromNode(this);for(const r of t.nodes)r.build(e)}setupLightsNode(e){const t=[],r=this._lightNodes,s=(e=>e.sort(((e,t)=>e.id-t.id)))(this._lights),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(Si(e));else{let s=null;if(null!==r&&(s=ux(e.id,r)),null===s){const r=i.getLightNodeClass(e.constructor);if(null===r){console.warn(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}let s=null;lx.has(e)?s=lx.get(e):(s=Si(new r(e)),lx.set(e,s)),t.push(s)}}this._lightNodes=t}setupLights(e,t){for(const r of t)r.build(e)}setup(e){null===this._lightNodes&&this.setupLightsNode(e);const t=e.context,r=t.lightingModel;let s=this.outgoingLightNode;if(r){const{_lightNodes:i,totalDiffuseNode:n,totalSpecularNode:o}=this;t.outgoingLight=s;const a=e.addStack();e.getDataFromNode(this).nodes=a.nodes,r.start(t,a,e),this.setupLights(e,i),r.indirect(t,a,e);const{backdrop:u,backdropAlpha:l}=t,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=t.reflectedLight;let g=d.add(h);null!==u&&(g=$i(null!==l?l.mix(g,u):u),t.material.transparent=!0),n.assign(g),o.assign(c.add(p)),s.assign(n.add(o)),r.finish(t,a,e),s=s.bypass(e.removeStack())}return s}setLights(e){return this._lights=e,this._lightNodes=null,this._lightNodesHash=null,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class cx extends Vs{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=Ms.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({material:e}){hx.assign(e.shadowPositionNode||yl)}dispose(){this.updateBeforeType=Ms.NONE}}const hx=$i().toVar("shadowPositionWorld");function px(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function gx(e,t){return t=px(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function mx(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function fx(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function yx(e,t){return t=fx(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function xx(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function bx(e,t,r){return r=yx(t,r=gx(e,r))}function Tx(e,t,r){mx(e,r),xx(t,r)}var _x=Object.freeze({__proto__:null,resetRendererAndSceneState:bx,resetRendererState:gx,resetSceneState:yx,restoreRendererAndSceneState:Tx,restoreRendererState:mx,restoreSceneState:xx,saveRendererAndSceneState:function(e,t,r={}){return r=fx(t,r=px(e,r))},saveRendererState:px,saveSceneState:fx});const vx=new WeakMap,Nx=wi((([e,t,r])=>{let s=yl.sub(e).length();return s=s.sub(t).div(r.sub(t)),s=s.saturate(),s})),Sx=e=>{let t=vx.get(e);if(void 0===t){const r=e.isPointLight?(e=>{const t=e.shadow.camera,r=$l("near","float",t).setGroup(ln),s=$l("far","float",t).setGroup(ln),i=Ju(e);return Nx(i,r,s)})(e):null;t=new hh,t.colorNode=qi(0,0,0,1),t.depthNode=r,t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.fog=!1,vx.set(e,t)}return t},Ax=wi((({depthTexture:e,shadowCoord:t})=>Pu(e,t.xy).compare(t.z))),Rx=wi((({depthTexture:e,shadowCoord:t,shadow:r})=>{const s=(t,r)=>Pu(e,t).compare(r),i=$l("mapSize","vec2",r).setGroup(ln),n=$l("radius","float",r).setGroup(ln),o=Oi(1).div(i),a=o.x.negate().mul(n),u=o.y.negate().mul(n),l=o.x.mul(n),d=o.y.mul(n),c=a.div(2),h=u.div(2),p=l.div(2),g=d.div(2);return Kn(s(t.xy.add(Oi(a,u)),t.z),s(t.xy.add(Oi(0,u)),t.z),s(t.xy.add(Oi(l,u)),t.z),s(t.xy.add(Oi(c,h)),t.z),s(t.xy.add(Oi(0,h)),t.z),s(t.xy.add(Oi(p,h)),t.z),s(t.xy.add(Oi(a,0)),t.z),s(t.xy.add(Oi(c,0)),t.z),s(t.xy,t.z),s(t.xy.add(Oi(p,0)),t.z),s(t.xy.add(Oi(l,0)),t.z),s(t.xy.add(Oi(c,g)),t.z),s(t.xy.add(Oi(0,g)),t.z),s(t.xy.add(Oi(p,g)),t.z),s(t.xy.add(Oi(a,d)),t.z),s(t.xy.add(Oi(0,d)),t.z),s(t.xy.add(Oi(l,d)),t.z)).mul(1/17)})),Cx=wi((({depthTexture:e,shadowCoord:t,shadow:r})=>{const s=(t,r)=>Pu(e,t).compare(r),i=$l("mapSize","vec2",r).setGroup(ln),n=Oi(1).div(i),o=n.x,a=n.y,u=t.xy,l=Lo(u.mul(i).add(.5));return u.subAssign(l.mul(n)),Kn(s(u,t.z),s(u.add(Oi(o,0)),t.z),s(u.add(Oi(0,a)),t.z),s(u.add(n),t.z),ba(s(u.add(Oi(o.negate(),0)),t.z),s(u.add(Oi(o.mul(2),0)),t.z),l.x),ba(s(u.add(Oi(o.negate(),a)),t.z),s(u.add(Oi(o.mul(2),a)),t.z),l.x),ba(s(u.add(Oi(0,a.negate())),t.z),s(u.add(Oi(0,a.mul(2))),t.z),l.y),ba(s(u.add(Oi(o,a.negate())),t.z),s(u.add(Oi(o,a.mul(2))),t.z),l.y),ba(ba(s(u.add(Oi(o.negate(),a.negate())),t.z),s(u.add(Oi(o.mul(2),a.negate())),t.z),l.x),ba(s(u.add(Oi(o.negate(),a.mul(2))),t.z),s(u.add(Oi(o.mul(2),a.mul(2))),t.z),l.x),l.y)).mul(1/9)})),Ex=wi((({depthTexture:e,shadowCoord:t})=>{const r=Ii(1).toVar(),s=Pu(e).sample(t.xy).rg,i=oa(t.z,s.x);return Fi(i.notEqual(Ii(1)),(()=>{const e=t.z.sub(s.x),n=ia(0,s.y.mul(s.y));let o=n.div(n.add(e.mul(e)));o=Ta(Yn(o,.3).div(.95-.3)),r.assign(Ta(ia(i,o)))})),r})),wx=wi((({samples:e,radius:t,size:r,shadowPass:s})=>{const i=Ii(0).toVar(),n=Ii(0).toVar(),o=e.lessThanEqual(Ii(1)).select(Ii(0),Ii(2).div(e.sub(1))),a=e.lessThanEqual(Ii(1)).select(Ii(0),Ii(-1));Tc({start:Li(0),end:Li(e),type:"int",condition:"<"},(({i:e})=>{const u=a.add(Ii(e).mul(o)),l=s.sample(Kn(Dc.xy,Oi(0,u).mul(t)).div(r)).x;i.addAssign(l),n.addAssign(l.mul(l))})),i.divAssign(e),n.divAssign(e);const u=Bo(n.sub(i.mul(i)));return Oi(i,u)})),Mx=wi((({samples:e,radius:t,size:r,shadowPass:s})=>{const i=Ii(0).toVar(),n=Ii(0).toVar(),o=e.lessThanEqual(Ii(1)).select(Ii(0),Ii(2).div(e.sub(1))),a=e.lessThanEqual(Ii(1)).select(Ii(0),Ii(-1));Tc({start:Li(0),end:Li(e),type:"int",condition:"<"},(({i:e})=>{const u=a.add(Ii(e).mul(o)),l=s.sample(Kn(Dc.xy,Oi(u,0).mul(t)).div(r));i.addAssign(l.x),n.addAssign(Kn(l.y.mul(l.y),l.x.mul(l.x)))})),i.divAssign(e),n.divAssign(e);const u=Bo(n.sub(i.mul(i)));return Oi(i,u)})),Bx=[Ax,Rx,Cx,Ex];let Fx;const Ux=new xf;class Px extends cx{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this.isShadowNode=!0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){const n=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i});return n.select(o,Ii(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=$l("bias","float",r).setGroup(ln);let n,o=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)o=o.xyz.div(o.w),n=o.z,s.coordinateSystem===d&&(n=n.mul(2).sub(1));else{const e=o.w;o=o.xy.div(e);const t=$l("near","float",r.camera).setGroup(ln),s=$l("far","float",r.camera).setGroup(ln);n=rh(e.negate(),t,s)}return o=$i(o.x,o.y.oneMinus(),n.add(i)),o}getShadowFilterFn(e){return Bx[e]}setupShadow(e){const{renderer:t}=e,{light:r,shadow:s}=this,i=t.shadowMap.type,n=new F(s.mapSize.width,s.mapSize.height);n.compareFunction=Ee;const o=e.createRenderTarget(s.mapSize.width,s.mapSize.height);if(o.depthTexture=n,s.camera.updateProjectionMatrix(),i===we){n.compareFunction=null,this.vsmShadowMapVertical=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Me,type:be}),this.vsmShadowMapHorizontal=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Me,type:be});const t=Pu(n),r=Pu(this.vsmShadowMapVertical.texture),i=$l("blurSamples","float",s).setGroup(ln),o=$l("radius","float",s).setGroup(ln),a=$l("mapSize","vec2",s).setGroup(ln);let u=this.vsmMaterialVertical||(this.vsmMaterialVertical=new hh);u.fragmentNode=wx({samples:i,radius:o,size:a,shadowPass:t}).context(e.getSharedContext()),u.name="VSMVertical",u=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new hh),u.fragmentNode=Mx({samples:i,radius:o,size:a,shadowPass:r}).context(e.getSharedContext()),u.name="VSMHorizontal"}const a=$l("intensity","float",s).setGroup(ln),u=$l("normalBias","float",s).setGroup(ln),l=rx(r).mul(hx.add(Ml.mul(u))),d=this.setupShadowCoord(e,l),c=s.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===c)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const h=i===we?this.vsmShadowMapHorizontal.texture:n,p=this.setupShadowFilter(e,{filterFn:c,shadowTexture:o.texture,depthTexture:h,shadowCoord:d,shadow:s}),g=Pu(o.texture,d),m=ba(1,p.rgb.mix(g,1),a.mul(g.a)).toVar();return this.shadowMap=o,this.shadow.map=o,m}setup(e){if(!1!==e.renderer.shadowMap.enabled)return wi((()=>{let t=this._node;return this.setupShadowPosition(e),null===t&&(this._node=t=this.setupShadow(e)),e.material.shadowNode&&console.warn('THREE.NodeMaterial: ".shadowNode" is deprecated. Use ".castShadowNode" instead.'),e.material.receivedShadowNode&&(t=e.material.receivedShadowNode(t)),t}))()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height),i.render(n,t.camera)}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:o}=e,a=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u,s.camera.layers.mask=o.layers.mask;const l=i.getRenderObjectFunction(),d=i.getMRT(),c=!!d&&d.has("velocity");Fx=bx(i,n,Fx),n.overrideMaterial=Sx(r),i.setRenderObjectFunction(((e,t,r,n,u,l,...d)=>{(!0===e.castShadow||e.receiveShadow&&a===we)&&(c&&(As(e).useVelocity=!0),e.onBeforeShadow(i,e,o,s.camera,n,t.overrideMaterial,l),i.renderObject(e,t,r,n,u,l,...d),e.onAfterShadow(i,e,o,s.camera,n,t.overrideMaterial,l))})),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(l),!0!==r.isPointLight&&a===we&&this.vsmPass(i),Tx(i,n,Fx)}vsmPass(e){const{shadow:t}=this;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height),e.setRenderTarget(this.vsmShadowMapVertical),Ux.material=this.vsmMaterialVertical,Ux.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),Ux.material=this.vsmMaterialHorizontal,Ux.render(e)}dispose(){this.shadowMap.dispose(),this.shadowMap=null,null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null),super.dispose()}updateBefore(e){const{shadow:t}=this;(t.needsUpdate||t.autoUpdate)&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const Ix=(e,t)=>Si(new Px(e,t));class Lx extends Cc{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||hn(this.color).setGroup(ln),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=Ms.FRAME}customCacheKey(){return ms(this.light.id,this.light.castShadow?1:0)}getHash(){return this.light.uuid}setupShadowNode(){return Ix(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const t=this.light.shadow.shadowNode;let s;s=void 0!==t?Si(t):this.setupShadowNode(e),this.shadowNode=s,this.shadowColorNode=r=this.colorNode.mul(s),this.baseColorNode=this.colorNode}this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const Dx=wi((e=>{const{lightDistance:t,cutoffDistance:r,decayExponent:s}=e,i=t.pow(s).max(.01).reciprocal();return r.greaterThan(0).select(i.mul(t.div(r).pow4().oneMinus().clamp().pow2()),i)})),Vx=new e,Ox=wi((([e,t])=>{const r=e.toVar(),s=$o(r),i=Zn(1,ia(s.x,ia(s.y,s.z)));s.mulAssign(i),r.mulAssign(i.mul(t.mul(2).oneMinus()));const n=Oi(r.xy).toVar(),o=t.mul(1.5).oneMinus();return Fi(s.z.greaterThanEqual(o),(()=>{Fi(r.z.greaterThan(0),(()=>{n.x.assign(Yn(4,r.x))}))})).ElseIf(s.x.greaterThanEqual(o),(()=>{const e=Wo(r.x);n.x.assign(r.z.mul(e).add(e.mul(2)))})).ElseIf(s.y.greaterThanEqual(o),(()=>{const e=Wo(r.y);n.x.assign(r.x.add(e.mul(2)).add(2)),n.y.assign(r.z.mul(e).sub(2))})),Oi(.125,.25).mul(n).add(Oi(.375,.75)).flipY()})).setLayout({name:"cubeToUV",type:"vec2",inputs:[{name:"pos",type:"vec3"},{name:"texelSizeY",type:"float"}]}),Gx=wi((({depthTexture:e,bd3D:t,dp:r,texelSize:s})=>Pu(e,Ox(t,s.y)).compare(r))),kx=wi((({depthTexture:e,bd3D:t,dp:r,texelSize:s,shadow:i})=>{const n=$l("radius","float",i).setGroup(ln),o=Oi(-1,1).mul(n).mul(s.y);return Pu(e,Ox(t.add(o.xyy),s.y)).compare(r).add(Pu(e,Ox(t.add(o.yyy),s.y)).compare(r)).add(Pu(e,Ox(t.add(o.xyx),s.y)).compare(r)).add(Pu(e,Ox(t.add(o.yyx),s.y)).compare(r)).add(Pu(e,Ox(t,s.y)).compare(r)).add(Pu(e,Ox(t.add(o.xxy),s.y)).compare(r)).add(Pu(e,Ox(t.add(o.yxy),s.y)).compare(r)).add(Pu(e,Ox(t.add(o.xxx),s.y)).compare(r)).add(Pu(e,Ox(t.add(o.yxx),s.y)).compare(r)).mul(1/9)})),zx=wi((({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s})=>{const i=r.xyz.toVar(),n=i.length(),o=hn("float").setGroup(ln).onRenderUpdate((()=>s.camera.near)),a=hn("float").setGroup(ln).onRenderUpdate((()=>s.camera.far)),u=$l("bias","float",s).setGroup(ln),l=hn(s.mapSize).setGroup(ln),d=Ii(1).toVar();return Fi(n.sub(a).lessThanEqual(0).and(n.sub(o).greaterThanEqual(0)),(()=>{const r=n.sub(o).div(a.sub(o)).toVar();r.addAssign(u);const c=i.normalize(),h=Oi(1).div(l.mul(Oi(4,2)));d.assign(e({depthTexture:t,bd3D:c,dp:r,texelSize:h,shadow:s}))})),d})),$x=new s,Wx=new t,Hx=new t;class jx extends Px{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===Be?Gx:kx}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,shadowTexture:r,depthTexture:s,shadowCoord:i,shadow:n}){return zx({filterFn:t,shadowTexture:r,depthTexture:s,shadowCoord:i,shadow:n})}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,o=t.getFrameExtents();Hx.copy(t.mapSize),Hx.multiply(o),r.setSize(Hx.width,Hx.height),Wx.copy(t.mapSize);const a=i.autoClear,u=i.getClearColor(Vx),l=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha),i.clear();const d=t.getViewportCount();for(let e=0;e<d;e++){const o=t.getViewport(e),a=Wx.x*o.x,u=Hx.y-Wx.y-Wx.y*o.y;$x.set(a,u,Wx.x*o.z,Wx.y*o.w),r.viewport.copy($x),t.updateMatrices(s,e),i.render(n,t.camera)}i.autoClear=a,i.setClearColor(u,l)}}const qx=wi((({color:e,lightViewPosition:t,cutoffDistance:r,decayExponent:s},i)=>{const n=i.context.lightingModel,o=t.sub(bl),a=o.normalize(),u=o.length(),l=Dx({lightDistance:u,cutoffDistance:r,decayExponent:s}),d=e.mul(l),c=i.context.reflectedLight;n.direct({lightDirection:a,lightColor:d,reflectedLight:c},i.stack,i)}));class Xx extends Lx{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=hn(0).setGroup(ln),this.decayExponentNode=hn(2).setGroup(ln)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return((e,t)=>Si(new jx(e,t)))(this.light)}setup(e){super.setup(e),qx({color:this.colorNode,lightViewPosition:ox(this.light),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode}).append()}}const Kx=wi((([e=t()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()})),Yx=wi((([e=Eu()],{renderer:t,material:r})=>{const s=Ii(1).toVar(),i=xa(e.mul(2).sub(1));if(r.alphaToCoverage&&t.samples>1){const e=Ii(i.fwidth()).toVar();s.assign(Na(e.oneMinus(),e.add(1),i).oneMinus())}else i.greaterThan(1).discard();return s})),Qx=wi((([e,t,r])=>{const s=Ii(r).toVar(),i=Ii(t).toVar(),n=Vi(e).toVar();return Fa(n,i,s)})).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),Zx=wi((([e,t])=>{const r=Vi(t).toVar(),s=Ii(e).toVar();return Fa(r,s.negate(),s)})).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),Jx=wi((([e])=>{const t=Ii(e).toVar();return Li(Uo(t))})).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),eb=wi((([e,t])=>{const r=Ii(e).toVar();return t.assign(Jx(r)),r.sub(Ii(t))})),tb=Gm([wi((([e,t,r,s,i,n])=>{const o=Ii(n).toVar(),a=Ii(i).toVar(),u=Ii(s).toVar(),l=Ii(r).toVar(),d=Ii(t).toVar(),c=Ii(e).toVar(),h=Ii(Yn(1,a)).toVar();return Yn(1,o).mul(c.mul(h).add(d.mul(a))).add(o.mul(l.mul(h).add(u.mul(a))))})).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),wi((([e,t,r,s,i,n])=>{const o=Ii(n).toVar(),a=Ii(i).toVar(),u=$i(s).toVar(),l=$i(r).toVar(),d=$i(t).toVar(),c=$i(e).toVar(),h=Ii(Yn(1,a)).toVar();return Yn(1,o).mul(c.mul(h).add(d.mul(a))).add(o.mul(l.mul(h).add(u.mul(a))))})).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),rb=Gm([wi((([e,t,r,s,i,n,o,a,u,l,d])=>{const c=Ii(d).toVar(),h=Ii(l).toVar(),p=Ii(u).toVar(),g=Ii(a).toVar(),m=Ii(o).toVar(),f=Ii(n).toVar(),y=Ii(i).toVar(),x=Ii(s).toVar(),b=Ii(r).toVar(),T=Ii(t).toVar(),_=Ii(e).toVar(),v=Ii(Yn(1,p)).toVar(),N=Ii(Yn(1,h)).toVar();return Ii(Yn(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(b.mul(v).add(x.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))})).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),wi((([e,t,r,s,i,n,o,a,u,l,d])=>{const c=Ii(d).toVar(),h=Ii(l).toVar(),p=Ii(u).toVar(),g=$i(a).toVar(),m=$i(o).toVar(),f=$i(n).toVar(),y=$i(i).toVar(),x=$i(s).toVar(),b=$i(r).toVar(),T=$i(t).toVar(),_=$i(e).toVar(),v=Ii(Yn(1,p)).toVar(),N=Ii(Yn(1,h)).toVar();return Ii(Yn(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(b.mul(v).add(x.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))})).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),sb=wi((([e,t,r])=>{const s=Ii(r).toVar(),i=Ii(t).toVar(),n=Di(e).toVar(),o=Di(n.bitAnd(Di(7))).toVar(),a=Ii(Qx(o.lessThan(Di(4)),i,s)).toVar(),u=Ii(Qn(2,Qx(o.lessThan(Di(4)),s,i))).toVar();return Zx(a,Vi(o.bitAnd(Di(1)))).add(Zx(u,Vi(o.bitAnd(Di(2)))))})).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),ib=wi((([e,t,r,s])=>{const i=Ii(s).toVar(),n=Ii(r).toVar(),o=Ii(t).toVar(),a=Di(e).toVar(),u=Di(a.bitAnd(Di(15))).toVar(),l=Ii(Qx(u.lessThan(Di(8)),o,n)).toVar(),d=Ii(Qx(u.lessThan(Di(4)),n,Qx(u.equal(Di(12)).or(u.equal(Di(14))),o,i))).toVar();return Zx(l,Vi(u.bitAnd(Di(1)))).add(Zx(d,Vi(u.bitAnd(Di(2)))))})).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),nb=Gm([sb,ib]),ob=wi((([e,t,r])=>{const s=Ii(r).toVar(),i=Ii(t).toVar(),n=Hi(e).toVar();return $i(nb(n.x,i,s),nb(n.y,i,s),nb(n.z,i,s))})).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),ab=wi((([e,t,r,s])=>{const i=Ii(s).toVar(),n=Ii(r).toVar(),o=Ii(t).toVar(),a=Hi(e).toVar();return $i(nb(a.x,o,n,i),nb(a.y,o,n,i),nb(a.z,o,n,i))})).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),ub=Gm([ob,ab]),lb=wi((([e])=>{const t=Ii(e).toVar();return Qn(.6616,t)})).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),db=wi((([e])=>{const t=Ii(e).toVar();return Qn(.982,t)})).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),cb=Gm([lb,wi((([e])=>{const t=$i(e).toVar();return Qn(.6616,t)})).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),hb=Gm([db,wi((([e])=>{const t=$i(e).toVar();return Qn(.982,t)})).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),pb=wi((([e,t])=>{const r=Li(t).toVar(),s=Di(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(Li(32).sub(r)))})).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),gb=wi((([e,t,r])=>{e.subAssign(r),e.bitXorAssign(pb(r,Li(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(pb(e,Li(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(pb(t,Li(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(pb(r,Li(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(pb(e,Li(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(pb(t,Li(4))),t.addAssign(e)})),mb=wi((([e,t,r])=>{const s=Di(r).toVar(),i=Di(t).toVar(),n=Di(e).toVar();return s.bitXorAssign(i),s.subAssign(pb(i,Li(14))),n.bitXorAssign(s),n.subAssign(pb(s,Li(11))),i.bitXorAssign(n),i.subAssign(pb(n,Li(25))),s.bitXorAssign(i),s.subAssign(pb(i,Li(16))),n.bitXorAssign(s),n.subAssign(pb(s,Li(4))),i.bitXorAssign(n),i.subAssign(pb(n,Li(14))),s.bitXorAssign(i),s.subAssign(pb(i,Li(24))),s})).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),fb=wi((([e])=>{const t=Di(e).toVar();return Ii(t).div(Ii(Di(Li(4294967295))))})).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),yb=wi((([e])=>{const t=Ii(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))})).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),xb=Gm([wi((([e])=>{const t=Li(e).toVar(),r=Di(Di(1)).toVar(),s=Di(Di(Li(3735928559)).add(r.shiftLeft(Di(2))).add(Di(13))).toVar();return mb(s.add(Di(t)),s,s)})).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),wi((([e,t])=>{const r=Li(t).toVar(),s=Li(e).toVar(),i=Di(Di(2)).toVar(),n=Di().toVar(),o=Di().toVar(),a=Di().toVar();return n.assign(o.assign(a.assign(Di(Li(3735928559)).add(i.shiftLeft(Di(2))).add(Di(13))))),n.addAssign(Di(s)),o.addAssign(Di(r)),mb(n,o,a)})).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),wi((([e,t,r])=>{const s=Li(r).toVar(),i=Li(t).toVar(),n=Li(e).toVar(),o=Di(Di(3)).toVar(),a=Di().toVar(),u=Di().toVar(),l=Di().toVar();return a.assign(u.assign(l.assign(Di(Li(3735928559)).add(o.shiftLeft(Di(2))).add(Di(13))))),a.addAssign(Di(n)),u.addAssign(Di(i)),l.addAssign(Di(s)),mb(a,u,l)})).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),wi((([e,t,r,s])=>{const i=Li(s).toVar(),n=Li(r).toVar(),o=Li(t).toVar(),a=Li(e).toVar(),u=Di(Di(4)).toVar(),l=Di().toVar(),d=Di().toVar(),c=Di().toVar();return l.assign(d.assign(c.assign(Di(Li(3735928559)).add(u.shiftLeft(Di(2))).add(Di(13))))),l.addAssign(Di(a)),d.addAssign(Di(o)),c.addAssign(Di(n)),gb(l,d,c),l.addAssign(Di(i)),mb(l,d,c)})).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),wi((([e,t,r,s,i])=>{const n=Li(i).toVar(),o=Li(s).toVar(),a=Li(r).toVar(),u=Li(t).toVar(),l=Li(e).toVar(),d=Di(Di(5)).toVar(),c=Di().toVar(),h=Di().toVar(),p=Di().toVar();return c.assign(h.assign(p.assign(Di(Li(3735928559)).add(d.shiftLeft(Di(2))).add(Di(13))))),c.addAssign(Di(l)),h.addAssign(Di(u)),p.addAssign(Di(a)),gb(c,h,p),c.addAssign(Di(o)),h.addAssign(Di(n)),mb(c,h,p)})).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),bb=Gm([wi((([e,t])=>{const r=Li(t).toVar(),s=Li(e).toVar(),i=Di(xb(s,r)).toVar(),n=Hi().toVar();return n.x.assign(i.bitAnd(Li(255))),n.y.assign(i.shiftRight(Li(8)).bitAnd(Li(255))),n.z.assign(i.shiftRight(Li(16)).bitAnd(Li(255))),n})).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),wi((([e,t,r])=>{const s=Li(r).toVar(),i=Li(t).toVar(),n=Li(e).toVar(),o=Di(xb(n,i,s)).toVar(),a=Hi().toVar();return a.x.assign(o.bitAnd(Li(255))),a.y.assign(o.shiftRight(Li(8)).bitAnd(Li(255))),a.z.assign(o.shiftRight(Li(16)).bitAnd(Li(255))),a})).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),Tb=Gm([wi((([e])=>{const t=Oi(e).toVar(),r=Li().toVar(),s=Li().toVar(),i=Ii(eb(t.x,r)).toVar(),n=Ii(eb(t.y,s)).toVar(),o=Ii(yb(i)).toVar(),a=Ii(yb(n)).toVar(),u=Ii(tb(nb(xb(r,s),i,n),nb(xb(r.add(Li(1)),s),i.sub(1),n),nb(xb(r,s.add(Li(1))),i,n.sub(1)),nb(xb(r.add(Li(1)),s.add(Li(1))),i.sub(1),n.sub(1)),o,a)).toVar();return cb(u)})).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),wi((([e])=>{const t=$i(e).toVar(),r=Li().toVar(),s=Li().toVar(),i=Li().toVar(),n=Ii(eb(t.x,r)).toVar(),o=Ii(eb(t.y,s)).toVar(),a=Ii(eb(t.z,i)).toVar(),u=Ii(yb(n)).toVar(),l=Ii(yb(o)).toVar(),d=Ii(yb(a)).toVar(),c=Ii(rb(nb(xb(r,s,i),n,o,a),nb(xb(r.add(Li(1)),s,i),n.sub(1),o,a),nb(xb(r,s.add(Li(1)),i),n,o.sub(1),a),nb(xb(r.add(Li(1)),s.add(Li(1)),i),n.sub(1),o.sub(1),a),nb(xb(r,s,i.add(Li(1))),n,o,a.sub(1)),nb(xb(r.add(Li(1)),s,i.add(Li(1))),n.sub(1),o,a.sub(1)),nb(xb(r,s.add(Li(1)),i.add(Li(1))),n,o.sub(1),a.sub(1)),nb(xb(r.add(Li(1)),s.add(Li(1)),i.add(Li(1))),n.sub(1),o.sub(1),a.sub(1)),u,l,d)).toVar();return hb(c)})).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),_b=Gm([wi((([e])=>{const t=Oi(e).toVar(),r=Li().toVar(),s=Li().toVar(),i=Ii(eb(t.x,r)).toVar(),n=Ii(eb(t.y,s)).toVar(),o=Ii(yb(i)).toVar(),a=Ii(yb(n)).toVar(),u=$i(tb(ub(bb(r,s),i,n),ub(bb(r.add(Li(1)),s),i.sub(1),n),ub(bb(r,s.add(Li(1))),i,n.sub(1)),ub(bb(r.add(Li(1)),s.add(Li(1))),i.sub(1),n.sub(1)),o,a)).toVar();return cb(u)})).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),wi((([e])=>{const t=$i(e).toVar(),r=Li().toVar(),s=Li().toVar(),i=Li().toVar(),n=Ii(eb(t.x,r)).toVar(),o=Ii(eb(t.y,s)).toVar(),a=Ii(eb(t.z,i)).toVar(),u=Ii(yb(n)).toVar(),l=Ii(yb(o)).toVar(),d=Ii(yb(a)).toVar(),c=$i(rb(ub(bb(r,s,i),n,o,a),ub(bb(r.add(Li(1)),s,i),n.sub(1),o,a),ub(bb(r,s.add(Li(1)),i),n,o.sub(1),a),ub(bb(r.add(Li(1)),s.add(Li(1)),i),n.sub(1),o.sub(1),a),ub(bb(r,s,i.add(Li(1))),n,o,a.sub(1)),ub(bb(r.add(Li(1)),s,i.add(Li(1))),n.sub(1),o,a.sub(1)),ub(bb(r,s.add(Li(1)),i.add(Li(1))),n,o.sub(1),a.sub(1)),ub(bb(r.add(Li(1)),s.add(Li(1)),i.add(Li(1))),n.sub(1),o.sub(1),a.sub(1)),u,l,d)).toVar();return hb(c)})).setLayout({name:"mx_perlin_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"}]})]),vb=Gm([wi((([e])=>{const t=Ii(e).toVar(),r=Li(Jx(t)).toVar();return fb(xb(r))})).setLayout({name:"mx_cell_noise_float_0",type:"float",inputs:[{name:"p",type:"float"}]}),wi((([e])=>{const t=Oi(e).toVar(),r=Li(Jx(t.x)).toVar(),s=Li(Jx(t.y)).toVar();return fb(xb(r,s))})).setLayout({name:"mx_cell_noise_float_1",type:"float",inputs:[{name:"p",type:"vec2"}]}),wi((([e])=>{const t=$i(e).toVar(),r=Li(Jx(t.x)).toVar(),s=Li(Jx(t.y)).toVar(),i=Li(Jx(t.z)).toVar();return fb(xb(r,s,i))})).setLayout({name:"mx_cell_noise_float_2",type:"float",inputs:[{name:"p",type:"vec3"}]}),wi((([e])=>{const t=qi(e).toVar(),r=Li(Jx(t.x)).toVar(),s=Li(Jx(t.y)).toVar(),i=Li(Jx(t.z)).toVar(),n=Li(Jx(t.w)).toVar();return fb(xb(r,s,i,n))})).setLayout({name:"mx_cell_noise_float_3",type:"float",inputs:[{name:"p",type:"vec4"}]})]),Nb=Gm([wi((([e])=>{const t=Ii(e).toVar(),r=Li(Jx(t)).toVar();return $i(fb(xb(r,Li(0))),fb(xb(r,Li(1))),fb(xb(r,Li(2))))})).setLayout({name:"mx_cell_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"float"}]}),wi((([e])=>{const t=Oi(e).toVar(),r=Li(Jx(t.x)).toVar(),s=Li(Jx(t.y)).toVar();return $i(fb(xb(r,s,Li(0))),fb(xb(r,s,Li(1))),fb(xb(r,s,Li(2))))})).setLayout({name:"mx_cell_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),wi((([e])=>{const t=$i(e).toVar(),r=Li(Jx(t.x)).toVar(),s=Li(Jx(t.y)).toVar(),i=Li(Jx(t.z)).toVar();return $i(fb(xb(r,s,i,Li(0))),fb(xb(r,s,i,Li(1))),fb(xb(r,s,i,Li(2))))})).setLayout({name:"mx_cell_noise_vec3_2",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),wi((([e])=>{const t=qi(e).toVar(),r=Li(Jx(t.x)).toVar(),s=Li(Jx(t.y)).toVar(),i=Li(Jx(t.z)).toVar(),n=Li(Jx(t.w)).toVar();return $i(fb(xb(r,s,i,n,Li(0))),fb(xb(r,s,i,n,Li(1))),fb(xb(r,s,i,n,Li(2))))})).setLayout({name:"mx_cell_noise_vec3_3",type:"vec3",inputs:[{name:"p",type:"vec4"}]})]),Sb=wi((([e,t,r,s])=>{const i=Ii(s).toVar(),n=Ii(r).toVar(),o=Li(t).toVar(),a=$i(e).toVar(),u=Ii(0).toVar(),l=Ii(1).toVar();return Tc(o,(()=>{u.addAssign(l.mul(Tb(a))),l.mulAssign(i),a.mulAssign(n)})),u})).setLayout({name:"mx_fractal_noise_float",type:"float",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Ab=wi((([e,t,r,s])=>{const i=Ii(s).toVar(),n=Ii(r).toVar(),o=Li(t).toVar(),a=$i(e).toVar(),u=$i(0).toVar(),l=Ii(1).toVar();return Tc(o,(()=>{u.addAssign(l.mul(_b(a))),l.mulAssign(i),a.mulAssign(n)})),u})).setLayout({name:"mx_fractal_noise_vec3",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Rb=wi((([e,t,r,s])=>{const i=Ii(s).toVar(),n=Ii(r).toVar(),o=Li(t).toVar(),a=$i(e).toVar();return Oi(Sb(a,o,n,i),Sb(a.add($i(Li(19),Li(193),Li(17))),o,n,i))})).setLayout({name:"mx_fractal_noise_vec2",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Cb=wi((([e,t,r,s])=>{const i=Ii(s).toVar(),n=Ii(r).toVar(),o=Li(t).toVar(),a=$i(e).toVar(),u=$i(Ab(a,o,n,i)).toVar(),l=Ii(Sb(a.add($i(Li(19),Li(193),Li(17))),o,n,i)).toVar();return qi(u,l)})).setLayout({name:"mx_fractal_noise_vec4",type:"vec4",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Eb=Gm([wi((([e,t,r,s,i,n,o])=>{const a=Li(o).toVar(),u=Ii(n).toVar(),l=Li(i).toVar(),d=Li(s).toVar(),c=Li(r).toVar(),h=Li(t).toVar(),p=Oi(e).toVar(),g=$i(Nb(Oi(h.add(d),c.add(l)))).toVar(),m=Oi(g.x,g.y).toVar();m.subAssign(.5),m.mulAssign(u),m.addAssign(.5);const f=Oi(Oi(Ii(h),Ii(c)).add(m)).toVar(),y=Oi(f.sub(p)).toVar();return Fi(a.equal(Li(2)),(()=>$o(y.x).add($o(y.y)))),Fi(a.equal(Li(3)),(()=>ia($o(y.x),$o(y.y)))),da(y,y)})).setLayout({name:"mx_worley_distance_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),wi((([e,t,r,s,i,n,o,a,u])=>{const l=Li(u).toVar(),d=Ii(a).toVar(),c=Li(o).toVar(),h=Li(n).toVar(),p=Li(i).toVar(),g=Li(s).toVar(),m=Li(r).toVar(),f=Li(t).toVar(),y=$i(e).toVar(),x=$i(Nb($i(f.add(p),m.add(h),g.add(c)))).toVar();x.subAssign(.5),x.mulAssign(d),x.addAssign(.5);const b=$i($i(Ii(f),Ii(m),Ii(g)).add(x)).toVar(),T=$i(b.sub(y)).toVar();return Fi(l.equal(Li(2)),(()=>$o(T.x).add($o(T.y)).add($o(T.z)))),Fi(l.equal(Li(3)),(()=>ia(ia($o(T.x),$o(T.y)),$o(T.z)))),da(T,T)})).setLayout({name:"mx_worley_distance_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"zoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),wb=wi((([e,t,r])=>{const s=Li(r).toVar(),i=Ii(t).toVar(),n=Oi(e).toVar(),o=Li().toVar(),a=Li().toVar(),u=Oi(eb(n.x,o),eb(n.y,a)).toVar(),l=Ii(1e6).toVar();return Tc({start:-1,end:Li(1),name:"x",condition:"<="},(({x:e})=>{Tc({start:-1,end:Li(1),name:"y",condition:"<="},(({y:t})=>{const r=Ii(Eb(u,e,t,o,a,i,s)).toVar();l.assign(sa(l,r))}))})),Fi(s.equal(Li(0)),(()=>{l.assign(Bo(l))})),l})).setLayout({name:"mx_worley_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Mb=wi((([e,t,r])=>{const s=Li(r).toVar(),i=Ii(t).toVar(),n=Oi(e).toVar(),o=Li().toVar(),a=Li().toVar(),u=Oi(eb(n.x,o),eb(n.y,a)).toVar(),l=Oi(1e6,1e6).toVar();return Tc({start:-1,end:Li(1),name:"x",condition:"<="},(({x:e})=>{Tc({start:-1,end:Li(1),name:"y",condition:"<="},(({y:t})=>{const r=Ii(Eb(u,e,t,o,a,i,s)).toVar();Fi(r.lessThan(l.x),(()=>{l.y.assign(l.x),l.x.assign(r)})).ElseIf(r.lessThan(l.y),(()=>{l.y.assign(r)}))}))})),Fi(s.equal(Li(0)),(()=>{l.assign(Bo(l))})),l})).setLayout({name:"mx_worley_noise_vec2_0",type:"vec2",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Bb=wi((([e,t,r])=>{const s=Li(r).toVar(),i=Ii(t).toVar(),n=Oi(e).toVar(),o=Li().toVar(),a=Li().toVar(),u=Oi(eb(n.x,o),eb(n.y,a)).toVar(),l=$i(1e6,1e6,1e6).toVar();return Tc({start:-1,end:Li(1),name:"x",condition:"<="},(({x:e})=>{Tc({start:-1,end:Li(1),name:"y",condition:"<="},(({y:t})=>{const r=Ii(Eb(u,e,t,o,a,i,s)).toVar();Fi(r.lessThan(l.x),(()=>{l.z.assign(l.y),l.y.assign(l.x),l.x.assign(r)})).ElseIf(r.lessThan(l.y),(()=>{l.z.assign(l.y),l.y.assign(r)})).ElseIf(r.lessThan(l.z),(()=>{l.z.assign(r)}))}))})),Fi(s.equal(Li(0)),(()=>{l.assign(Bo(l))})),l})).setLayout({name:"mx_worley_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Fb=Gm([wb,wi((([e,t,r])=>{const s=Li(r).toVar(),i=Ii(t).toVar(),n=$i(e).toVar(),o=Li().toVar(),a=Li().toVar(),u=Li().toVar(),l=$i(eb(n.x,o),eb(n.y,a),eb(n.z,u)).toVar(),d=Ii(1e6).toVar();return Tc({start:-1,end:Li(1),name:"x",condition:"<="},(({x:e})=>{Tc({start:-1,end:Li(1),name:"y",condition:"<="},(({y:t})=>{Tc({start:-1,end:Li(1),name:"z",condition:"<="},(({z:r})=>{const n=Ii(Eb(l,e,t,r,o,a,u,i,s)).toVar();d.assign(sa(d,n))}))}))})),Fi(s.equal(Li(0)),(()=>{d.assign(Bo(d))})),d})).setLayout({name:"mx_worley_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Ub=Gm([Mb,wi((([e,t,r])=>{const s=Li(r).toVar(),i=Ii(t).toVar(),n=$i(e).toVar(),o=Li().toVar(),a=Li().toVar(),u=Li().toVar(),l=$i(eb(n.x,o),eb(n.y,a),eb(n.z,u)).toVar(),d=Oi(1e6,1e6).toVar();return Tc({start:-1,end:Li(1),name:"x",condition:"<="},(({x:e})=>{Tc({start:-1,end:Li(1),name:"y",condition:"<="},(({y:t})=>{Tc({start:-1,end:Li(1),name:"z",condition:"<="},(({z:r})=>{const n=Ii(Eb(l,e,t,r,o,a,u,i,s)).toVar();Fi(n.lessThan(d.x),(()=>{d.y.assign(d.x),d.x.assign(n)})).ElseIf(n.lessThan(d.y),(()=>{d.y.assign(n)}))}))}))})),Fi(s.equal(Li(0)),(()=>{d.assign(Bo(d))})),d})).setLayout({name:"mx_worley_noise_vec2_1",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Pb=Gm([Bb,wi((([e,t,r])=>{const s=Li(r).toVar(),i=Ii(t).toVar(),n=$i(e).toVar(),o=Li().toVar(),a=Li().toVar(),u=Li().toVar(),l=$i(eb(n.x,o),eb(n.y,a),eb(n.z,u)).toVar(),d=$i(1e6,1e6,1e6).toVar();return Tc({start:-1,end:Li(1),name:"x",condition:"<="},(({x:e})=>{Tc({start:-1,end:Li(1),name:"y",condition:"<="},(({y:t})=>{Tc({start:-1,end:Li(1),name:"z",condition:"<="},(({z:r})=>{const n=Ii(Eb(l,e,t,r,o,a,u,i,s)).toVar();Fi(n.lessThan(d.x),(()=>{d.z.assign(d.y),d.y.assign(d.x),d.x.assign(n)})).ElseIf(n.lessThan(d.y),(()=>{d.z.assign(d.y),d.y.assign(n)})).ElseIf(n.lessThan(d.z),(()=>{d.z.assign(n)}))}))}))})),Fi(s.equal(Li(0)),(()=>{d.assign(Bo(d))})),d})).setLayout({name:"mx_worley_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Ib=wi((([e])=>{const t=e.y,r=e.z,s=$i().toVar();return Fi(t.lessThan(1e-4),(()=>{s.assign($i(r,r,r))})).Else((()=>{let i=e.x;i=i.sub(Uo(i)).mul(6).toVar();const n=Li(Zo(i)),o=i.sub(Ii(n)),a=r.mul(t.oneMinus()),u=r.mul(t.mul(o).oneMinus()),l=r.mul(t.mul(o.oneMinus()).oneMinus());Fi(n.equal(Li(0)),(()=>{s.assign($i(r,l,a))})).ElseIf(n.equal(Li(1)),(()=>{s.assign($i(u,r,a))})).ElseIf(n.equal(Li(2)),(()=>{s.assign($i(a,r,l))})).ElseIf(n.equal(Li(3)),(()=>{s.assign($i(a,u,r))})).ElseIf(n.equal(Li(4)),(()=>{s.assign($i(l,a,r))})).Else((()=>{s.assign($i(r,a,u))}))})),s})).setLayout({name:"mx_hsvtorgb",type:"vec3",inputs:[{name:"hsv",type:"vec3"}]}),Lb=wi((([e])=>{const t=$i(e).toVar(),r=Ii(t.x).toVar(),s=Ii(t.y).toVar(),i=Ii(t.z).toVar(),n=Ii(sa(r,sa(s,i))).toVar(),o=Ii(ia(r,ia(s,i))).toVar(),a=Ii(o.sub(n)).toVar(),u=Ii().toVar(),l=Ii().toVar(),d=Ii().toVar();return d.assign(o),Fi(o.greaterThan(0),(()=>{l.assign(a.div(o))})).Else((()=>{l.assign(0)})),Fi(l.lessThanEqual(0),(()=>{u.assign(0)})).Else((()=>{Fi(r.greaterThanEqual(o),(()=>{u.assign(s.sub(i).div(a))})).ElseIf(s.greaterThanEqual(o),(()=>{u.assign(Kn(2,i.sub(r).div(a)))})).Else((()=>{u.assign(Kn(4,r.sub(s).div(a)))})),u.mulAssign(1/6),Fi(u.lessThan(0),(()=>{u.addAssign(1)}))})),$i(u,l,d)})).setLayout({name:"mx_rgbtohsv",type:"vec3",inputs:[{name:"c",type:"vec3"}]}),Db=wi((([e])=>{const t=$i(e).toVar(),r=ji(so(t,$i(.04045))).toVar(),s=$i(t.div(12.92)).toVar(),i=$i(ha(ia(t.add($i(.055)),$i(0)).div(1.055),$i(2.4))).toVar();return ba(s,i,r)})).setLayout({name:"mx_srgb_texture_to_lin_rec709",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Vb=(e,t)=>{e=Ii(e),t=Ii(t);const r=Oi(t.dFdx(),t.dFdy()).length().mul(.7071067811865476);return Na(e.sub(r),e.add(r),t)},Ob=(e,t,r,s)=>ba(e,t,r[s].clamp()),Gb=(e,t,r,s,i)=>ba(e,t,Vb(r,s[i])),kb=wi((([e,t,r])=>{const s=Io(e).toVar("nDir"),i=Yn(Ii(.5).mul(t.sub(r)),yl).div(s).toVar("rbmax"),n=Yn(Ii(-.5).mul(t.sub(r)),yl).div(s).toVar("rbmin"),o=$i().toVar("rbminmax");o.x=s.x.greaterThan(Ii(0)).select(i.x,n.x),o.y=s.y.greaterThan(Ii(0)).select(i.y,n.y),o.z=s.z.greaterThan(Ii(0)).select(i.z,n.z);const a=sa(sa(o.x,o.y),o.z).toVar("correction");return yl.add(s.mul(a)).toVar("boxIntersection").sub(r)})),zb=wi((([e,t])=>{const r=e.x,s=e.y,i=e.z;let n=t.element(0).mul(.886227);return n=n.add(t.element(1).mul(1.023328).mul(s)),n=n.add(t.element(2).mul(1.023328).mul(i)),n=n.add(t.element(3).mul(1.023328).mul(r)),n=n.add(t.element(4).mul(.858086).mul(r).mul(s)),n=n.add(t.element(5).mul(.858086).mul(s).mul(i)),n=n.add(t.element(6).mul(i.mul(i).mul(.743125).sub(.247708))),n=n.add(t.element(7).mul(.858086).mul(r).mul(i)),n=n.add(t.element(8).mul(.429043).mul(Qn(r,r).sub(Qn(s,s)))),n}));var 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Use "fog( color, densityFogFactor( density ) )" instead.'),Ly(e,Iy(t))},densityFogFactor:Iy,depth:ih,depthPass:(e,t,r)=>Si(new dy(dy.DEPTH,e,t,r)),difference:la,diffuseColor:fn,directPointLight:qx,directionToColor:vh,dispersion:$n,distance:ua,div:Zn,dodge:(...e)=>(console.warn('THREE.TSL: "dodge" has been renamed. 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Use "storage().setPBO( true )" instead.'),Mf(e,t,r).setPBO(!0)),storageTexture:kf,string:(e="")=>Si(new Xs(e,"string")),sub:Yn,subgroupIndex:oc,subgroupSize:qy,tan:Oo,tangentGeometry:ql,tangentLocal:Xl,tangentView:Kl,tangentWorld:Yl,temp:ka,texture:Pu,texture3D:Dg,textureBarrier:()=>Xy("texture").append(),textureBicubic:vp,textureCubeUV:Jp,textureLoad:Iu,textureSize:Mu,textureStore:(e,t,r)=>{const s=kf(e,t,r);return null!==r&&s.append(),s},thickness:Gn,time:km,timerDelta:(e=1)=>(console.warn('TSL: timerDelta() is deprecated. Use "deltaTime" instead.'),zm.mul(e)),timerGlobal:(e=1)=>(console.warn('TSL: timerGlobal() is deprecated. Use "time" instead.'),km.mul(e)),timerLocal:(e=1)=>(console.warn('TSL: timerLocal() is deprecated. Use "time" instead.'),km.mul(e)),toOutputColorSpace:Ya,toWorkingColorSpace:Qa,toneMapping:nu,toneMappingExposure:ou,toonOutlinePass:(t,r,s=new e(0,0,0),i=.003,n=1)=>Si(new cy(t,r,Si(s),Si(i),Si(n))),transformDirection:fa,transformNormal:Fl,transformNormalToView:Ul,transformedBentNormalView:ud,transformedBitangentView:id,transformedBitangentWorld:nd,transformedClearcoatNormalView:Bl,transformedNormalView:wl,transformedNormalWorld:Ml,transformedTangentView:Ql,transformedTangentWorld:Zl,transmission:On,transpose:ea,triNoise3D:Dm,triplanarTexture:(...e)=>Qm(...e),triplanarTextures:Qm,trunc:Zo,tslFn:(...e)=>(console.warn("TSL.ShaderNode: tslFn() has been renamed to Fn()."),wi(...e)),uint:Di,uniform:hn,uniformArray:Gu,uniformGroup:on,uniforms:(e,t)=>(console.warn("TSL.UniformArrayNode: uniforms() has been renamed to uniformArray()."),Si(new Ou(e,t))),userData:(e,t,r)=>Si(new zf(e,t,r)),uv:Eu,uvec2:ki,uvec3:Hi,uvec4:Ki,varying:$a,varyingProperty:mn,vec2:Oi,vec3:$i,vec4:qi,vectorComponents:Ls,velocity:qf,vertexColor:e=>Si(new Bf(e)),vertexIndex:ic,vertexStage:Wa,vibrance:ty,viewZToLogarithmicDepth:rh,viewZToOrthographicDepth:Jc,viewZToPerspectiveDepth:eh,viewport:Vc,viewportBottomLeft:Wc,viewportCoordinate:Gc,viewportDepthTexture:Qc,viewportLinearDepth:oh,viewportMipTexture:Xc,viewportResolution:zc,viewportSafeUV:qm,viewportSharedTexture:bh,viewportSize:Oc,viewportTexture:qc,viewportTopLeft:$c,viewportUV:kc,wgsl:(e,t)=>Ny(e,t,"wgsl"),wgslFn:(e,t)=>Ay(e,t,"wgsl"),workgroupArray:(e,t)=>Si(new Yy("Workgroup",e,t)),workgroupBarrier:()=>Xy("workgroup").append(),workgroupId:Wy,workingToColorSpace:Za,xor:lo});const Wb=new Sm;class Hb extends Hg{constructor(e,t){super(),this.renderer=e,this.nodes=t}update(e,t,r){const s=this.renderer,i=this.nodes.getBackgroundNode(e)||e.background;let n=!1;if(null===i)s._clearColor.getRGB(Wb,Ce),Wb.a=s._clearColor.a;else if(!0===i.isColor)i.getRGB(Wb,Ce),Wb.a=1,n=!0;else if(!0===i.isNode){const r=this.get(e),n=i;Wb.copy(s._clearColor);let o=r.backgroundMesh;if(void 0===o){const e=Ia(qi(n).mul(Vf),{getUV:()=>Of.mul(El),getTextureLevel:()=>Df});let t=rc;t=t.setZ(t.w);const s=new hh;s.name="Background.material",s.side=_,s.depthTest=!1,s.depthWrite=!1,s.fog=!1,s.lights=!1,s.vertexNode=t,s.colorNode=e,r.backgroundMeshNode=e,r.backgroundMesh=o=new k(new Fe(1,32,32),s),o.frustumCulled=!1,o.name="Background.mesh",o.onBeforeRender=function(e,t,r){this.matrixWorld.copyPosition(r.matrixWorld)}}const a=n.getCacheKey();r.backgroundCacheKey!==a&&(r.backgroundMeshNode.node=qi(n).mul(Vf),r.backgroundMeshNode.needsUpdate=!0,o.material.needsUpdate=!0,r.backgroundCacheKey=a),t.unshift(o,o.geometry,o.material,0,0,null,null)}else console.error("THREE.Renderer: Unsupported background configuration.",i);const o=s.xr.getEnvironmentBlendMode();if("additive"===o?Wb.set(0,0,0,1):"alpha-blend"===o&&Wb.set(0,0,0,0),!0===s.autoClear||!0===n){const e=r.clearColorValue;e.r=Wb.r,e.g=Wb.g,e.b=Wb.b,e.a=Wb.a,!0!==s.backend.isWebGLBackend&&!0!==s.alpha||(e.r*=e.a,e.g*=e.a,e.b*=e.a),r.depthClearValue=s._clearDepth,r.stencilClearValue=s._clearStencil,r.clearColor=!0===s.autoClearColor,r.clearDepth=!0===s.autoClearDepth,r.clearStencil=!0===s.autoClearStencil}else r.clearColor=!1,r.clearDepth=!1,r.clearStencil=!1}}let jb=0;class qb{constructor(e="",t=[],r=0,s=[]){this.name=e,this.bindings=t,this.index=r,this.bindingsReference=s,this.id=jb++}}class Xb{constructor(e,t,r,s,i,n,o,a,u,l=[]){this.vertexShader=e,this.fragmentShader=t,this.computeShader=r,this.transforms=l,this.nodeAttributes=s,this.bindings=i,this.updateNodes=n,this.updateBeforeNodes=o,this.updateAfterNodes=a,this.observer=u,this.usedTimes=0}createBindings(){const e=[];for(const t of this.bindings){if(!0!==t.bindings[0].groupNode.shared){const r=new qb(t.name,[],t.index,t);e.push(r);for(const e of t.bindings)r.bindings.push(e.clone())}else e.push(t)}return e}}class Kb{constructor(e,t,r=null){this.isNodeAttribute=!0,this.name=e,this.type=t,this.node=r}}class Yb{constructor(e,t,r){this.isNodeUniform=!0,this.name=e,this.type=t,this.node=r.getSelf()}get value(){return this.node.value}set value(e){this.node.value=e}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class Qb{constructor(e,t,r=!1,s=null){this.isNodeVar=!0,this.name=e,this.type=t,this.readOnly=r,this.count=s}}class Zb extends Qb{constructor(e,t){super(e,t),this.needsInterpolation=!1,this.isNodeVarying=!0}}class Jb{constructor(e,t,r=""){this.name=e,this.type=t,this.code=r,Object.defineProperty(this,"isNodeCode",{value:!0})}}let eT=0;class tT{constructor(e=null){this.id=eT++,this.nodesData=new WeakMap,this.parent=e}getData(e){let t=this.nodesData.get(e);return void 0===t&&null!==this.parent&&(t=this.parent.getData(e)),t}setData(e,t){this.nodesData.set(e,t)}}class rT extends Vs{static get type(){return"StructTypeNode"}constructor(e,t){super(),this.name=e,this.types=t,this.isStructTypeNode=!0}getMemberTypes(){return this.types}}class sT{constructor(e,t){this.name=e,this.value=t,this.boundary=0,this.itemSize=0,this.offset=0}setValue(e){this.value=e}getValue(){return this.value}}class iT extends sT{constructor(e,t=0){super(e,t),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class nT extends sT{constructor(e,r=new t){super(e,r),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class oT extends sT{constructor(e,t=new r){super(e,t),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class aT extends sT{constructor(e,t=new s){super(e,t),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class uT extends sT{constructor(t,r=new e){super(t,r),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class lT extends sT{constructor(e,t=new i){super(e,t),this.isMatrix2Uniform=!0,this.boundary=16,this.itemSize=4}}class dT extends sT{constructor(e,t=new n){super(e,t),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class cT extends sT{constructor(e,t=new o){super(e,t),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class hT extends iT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class pT extends nT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class gT extends oT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class mT extends aT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class fT extends uT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class yT extends lT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class xT extends dT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class bT extends cT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}const TT=[.125,.215,.35,.446,.526,.582],_T=20,vT=new _e(-1,1,1,-1,0,1),NT=new Pe(90,1),ST=new e;let AT=null,RT=0,CT=0;const ET=(1+Math.sqrt(5))/2,wT=1/ET,MT=[new r(-ET,wT,0),new r(ET,wT,0),new r(-wT,0,ET),new r(wT,0,ET),new r(0,ET,-wT),new r(0,ET,wT),new r(-1,1,-1),new r(1,1,-1),new r(-1,1,1),new r(1,1,1)],BT=new WeakMap,FT=[3,1,5,0,4,2],UT=Zp(Eu(),Cu("faceIndex")).normalize(),PT=$i(UT.x,UT.y,UT.z);class IT{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i=null){if(this._setSize(256),!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromScene() called before the backend is initialized. Try using .fromSceneAsync() instead.");const n=i||this._allocateTargets();return this.fromSceneAsync(e,t,r,s,n),n}AT=this._renderer.getRenderTarget(),RT=this._renderer.getActiveCubeFace(),CT=this._renderer.getActiveMipmapLevel();const n=i||this._allocateTargets();return n.depthBuffer=!0,this._sceneToCubeUV(e,r,s,n),t>0&&this._blur(n,0,0,t),this._applyPMREM(n),this._cleanup(n),n}async fromSceneAsync(e,t=0,r=.1,s=100,i=null){return!1===this._hasInitialized&&await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Try using .fromEquirectangularAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTargets();return this.fromEquirectangularAsync(e,r),r}return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return!1===this._hasInitialized&&await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromCubemap() called before the backend is initialized. Try using .fromCubemapAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTargets();return this.fromCubemapAsync(e,t),r}return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return!1===this._hasInitialized&&await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=OT(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=GT(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===v||e.mapping===N?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodPlanes.length;e++)this._lodPlanes[e].dispose()}_cleanup(e){this._renderer.setRenderTarget(AT,RT,CT),e.scissorTest=!1,DT(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),AT=this._renderer.getRenderTarget(),RT=this._renderer.getActiveCubeFace(),CT=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTargets();return this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTargets(){const e=3*Math.max(this._cubeSize,112),t=4*this._cubeSize,s={magFilter:$,minFilter:$,generateMipmaps:!1,type:be,format:Ie,colorSpace:Ce},i=LT(e,t,s);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e||this._pingPongRenderTarget.height!==t){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=LT(e,t,s);const{_lodMax:i}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas,lodMeshes:this._lodMeshes}=function(e){const t=[],r=[],s=[],i=[];let n=e;const o=e-4+1+TT.length;for(let a=0;a<o;a++){const o=Math.pow(2,n);r.push(o);let u=1/o;a>e-4?u=TT[a-e+4-1]:0===a&&(u=0),s.push(u);const l=1/(o-2),d=-l,c=1+l,h=[d,d,c,d,c,c,d,d,c,c,d,c],p=6,g=6,m=3,f=2,y=1,x=new Float32Array(m*g*p),b=new Float32Array(f*g*p),T=new Float32Array(y*g*p);for(let e=0;e<p;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=FT[e];x.set(s,m*g*i),b.set(h,f*g*i);const n=[i,i,i,i,i,i];T.set(n,y*g*i)}const _=new ve;_.setAttribute("position",new Se(x,m)),_.setAttribute("uv",new Se(b,f)),_.setAttribute("faceIndex",new Se(T,y)),t.push(_),i.push(new k(_,null)),n>4&&n--}return{lodPlanes:t,sizeLods:r,sigmas:s,lodMeshes:i}}(i)),this._blurMaterial=function(e,t,s){const i=Gu(new Array(_T).fill(0)),n=hn(new r(0,1,0)),o=hn(0),a=Ii(_T),u=hn(0),l=hn(1),d=Pu(null),c=hn(0),h=Ii(1/t),p=Ii(1/s),g=Ii(e),m={n:a,latitudinal:u,weights:i,poleAxis:n,outputDirection:PT,dTheta:o,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=VT("blur");return f.fragmentNode=rg({...m,latitudinal:u.equal(1)}),BT.set(f,m),f}(i,e,t)}return i}async _compileMaterial(e){const t=new k(this._lodPlanes[0],e);await this._renderer.compile(t,vT)}_sceneToCubeUV(e,t,r,s){const i=NT;i.near=t,i.far=r;const n=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],a=this._renderer,u=a.autoClear;a.getClearColor(ST),a.autoClear=!1;let l=this._backgroundBox;if(null===l){const e=new Q({name:"PMREM.Background",side:_,depthWrite:!1,depthTest:!1});l=new k(new G,e)}let d=!1;const c=e.background;c?c.isColor&&(l.material.color.copy(c),e.background=null,d=!0):(l.material.color.copy(ST),d=!0),a.setRenderTarget(s),a.clear(),d&&a.render(l,i);for(let t=0;t<6;t++){const r=t%3;0===r?(i.up.set(0,n[t],0),i.lookAt(o[t],0,0)):1===r?(i.up.set(0,0,n[t]),i.lookAt(0,o[t],0)):(i.up.set(0,n[t],0),i.lookAt(0,0,o[t]));const u=this._cubeSize;DT(s,r*u,t>2?u:0,u,u),a.render(e,i)}a.autoClear=u,e.background=c}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===v||e.mapping===N;s?null===this._cubemapMaterial&&(this._cubemapMaterial=OT(e)):null===this._equirectMaterial&&(this._equirectMaterial=GT(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const o=this._cubeSize;DT(t,0,0,3*o,2*o),r.setRenderTarget(t),r.render(n,vT)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodPlanes.length;for(let t=1;t<s;t++){const r=Math.sqrt(this._sigmas[t]*this._sigmas[t]-this._sigmas[t-1]*this._sigmas[t-1]),i=MT[(s-t-1)%MT.length];this._blur(e,t-1,t,r,i)}t.autoClear=r}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,o){const a=this._renderer,u=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&console.error("blur direction must be either latitudinal or longitudinal!");const l=this._lodMeshes[s];l.material=u;const d=BT.get(u),c=this._sizeLods[r]-1,h=isFinite(i)?Math.PI/(2*c):2*Math.PI/39,p=i/h,g=isFinite(i)?1+Math.floor(3*p):_T;g>_T&&console.warn(`sigmaRadians, ${i}, is too large and will clip, as it requested ${g} samples when the maximum is set to 20`);const m=[];let f=0;for(let e=0;e<_T;++e){const t=e/p,r=Math.exp(-t*t/2);m.push(r),0===e?f+=r:e<g&&(f+=2*r)}for(let e=0;e<m.length;e++)m[e]=m[e]/f;e.texture.frame=(e.texture.frame||0)+1,d.envMap.value=e.texture,d.samples.value=g,d.weights.array=m,d.latitudinal.value="latitudinal"===n?1:0,o&&(d.poleAxis.value=o);const{_lodMax:y}=this;d.dTheta.value=h,d.mipInt.value=y-r;const x=this._sizeLods[s];DT(t,3*x*(s>y-4?s-y+4:0),4*(this._cubeSize-x),3*x,2*x),a.setRenderTarget(t),a.render(l,vT)}}function LT(e,t,r){const s=new fe(e,t,r);return s.texture.mapping=Ue,s.texture.name="PMREM.cubeUv",s.texture.isPMREMTexture=!0,s.scissorTest=!0,s}function DT(e,t,r,s,i){e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i)}function VT(e){const t=new hh;return t.depthTest=!1,t.depthWrite=!1,t.blending=D,t.name=`PMREM_${e}`,t}function OT(e){const t=VT("cubemap");return t.fragmentNode=Gl(e,PT),t}function GT(e){const t=VT("equirect");return t.fragmentNode=Pu(e,Rh(PT),0),t}const kT=new WeakMap,zT=new Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),$T=e=>/e/g.test(e)?String(e).replace(/\+/g,""):(e=Number(e))+(e%1?"":".0");class WT{constructor(e,t,r){this.object=e,this.material=e&&e.material||null,this.geometry=e&&e.geometry||null,this.renderer=t,this.parser=r,this.scene=null,this.camera=null,this.nodes=[],this.sequentialNodes=[],this.updateNodes=[],this.updateBeforeNodes=[],this.updateAfterNodes=[],this.hashNodes={},this.observer=null,this.lightsNode=null,this.environmentNode=null,this.fogNode=null,this.clippingContext=null,this.vertexShader=null,this.fragmentShader=null,this.computeShader=null,this.flowNodes={vertex:[],fragment:[],compute:[]},this.flowCode={vertex:"",fragment:"",compute:""},this.uniforms={vertex:[],fragment:[],compute:[],index:0},this.structs={vertex:[],fragment:[],compute:[],index:0},this.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.flow={code:""},this.chaining=[],this.stack=Cm(),this.stacks=[],this.tab="\t",this.currentFunctionNode=null,this.context={material:this.material},this.cache=new tT,this.globalCache=this.cache,this.flowsData=new WeakMap,this.shaderStage=null,this.buildStage=null,this.useComparisonMethod=!1}getBindGroupsCache(){let e=kT.get(this.renderer);return void 0===e&&(e=new Gg,kT.set(this.renderer,e)),e}createRenderTarget(e,t,r){return new fe(e,t,r)}createCubeRenderTarget(e,t){return new Ch(e,t)}createPMREMGenerator(){return new IT(this.renderer)}includes(e){return this.nodes.includes(e)}getOutputStructName(){}_getBindGroup(e,t){const r=this.getBindGroupsCache(),s=[];let i,n=!0;for(const e of t)s.push(e),n=n&&!0!==e.groupNode.shared;return n?(i=r.get(s),void 0===i&&(i=new qb(e,s,this.bindingsIndexes[e].group,s),r.set(s,i))):i=new qb(e,s,this.bindingsIndexes[e].group,s),i}getBindGroupArray(e,t){const r=this.bindings[t];let s=r[e];return void 0===s&&(void 0===this.bindingsIndexes[e]&&(this.bindingsIndexes[e]={binding:0,group:Object.keys(this.bindingsIndexes).length}),r[e]=s=[]),s}getBindings(){let e=this.bindGroups;if(null===e){const t={},r=this.bindings;for(const e of Is)for(const s in r[e]){const i=r[e][s];(t[s]||(t[s]=[])).push(...i)}e=[];for(const r in t){const s=t[r],i=this._getBindGroup(r,s);e.push(i)}this.bindGroups=e}return e}sortBindingGroups(){const e=this.getBindings();e.sort(((e,t)=>e.bindings[0].groupNode.order-t.bindings[0].groupNode.order));for(let t=0;t<e.length;t++){const r=e[t];this.bindingsIndexes[r.name].group=t,r.index=t}}setHashNode(e,t){this.hashNodes[t]=e}addNode(e){!1===this.nodes.includes(e)&&(this.nodes.push(e),this.setHashNode(e,e.getHash(this)))}addSequentialNode(e){!1===this.sequentialNodes.includes(e)&&this.sequentialNodes.push(e)}buildUpdateNodes(){for(const e of this.nodes){e.getUpdateType()!==Ms.NONE&&this.updateNodes.push(e.getSelf())}for(const e of this.sequentialNodes){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t!==Ms.NONE&&this.updateBeforeNodes.push(e.getSelf()),r!==Ms.NONE&&this.updateAfterNodes.push(e.getSelf())}}get currentNode(){return this.chaining[this.chaining.length-1]}isFilteredTexture(e){return e.magFilter===$||e.magFilter===Le||e.magFilter===De||e.magFilter===B||e.minFilter===$||e.minFilter===Le||e.minFilter===De||e.minFilter===B}addChain(e){this.chaining.push(e)}removeChain(e){if(this.chaining.pop()!==e)throw new Error("NodeBuilder: Invalid node chaining!")}getMethod(e){return e}getNodeFromHash(e){return this.hashNodes[e]}addFlow(e,t){return this.flowNodes[e].push(t),t}setContext(e){this.context=e}getContext(){return this.context}getSharedContext(){return this.context,this.context}setCache(e){this.cache=e}getCache(){return this.cache}getCacheFromNode(e,t=!0){const r=this.getDataFromNode(e);return void 0===r.cache&&(r.cache=new tT(t?this.getCache():null)),r.cache}isAvailable(){return!1}getVertexIndex(){console.warn("Abstract function.")}getInstanceIndex(){console.warn("Abstract function.")}getDrawIndex(){console.warn("Abstract function.")}getFrontFacing(){console.warn("Abstract 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o=this.getTypeLength(i),a=this.getComponentType(i),u=e=>this.generateConst(a,e);if(2===o)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)} )`;if(3===o)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)} )`;if(4===o)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)}, ${u(n.w)} )`;if(o>4&&n&&(n.isMatrix3||n.isMatrix4))return`${this.getType(i)}( ${n.elements.map(u).join(", ")} )`;if(o>4)return`${this.getType(i)}()`;throw new Error(`NodeBuilder: Type '${i}' not found in generate constant attempt.`)}getType(e){return"color"===e?"vec3":e}hasGeometryAttribute(e){return this.geometry&&void 0!==this.geometry.getAttribute(e)}getAttribute(e,t){const r=this.attributes;for(const t of r)if(t.name===e)return t;const s=new Kb(e,t);return r.push(s),s}getPropertyName(e){return e.name}isVector(e){return/vec\d/.test(e)}isMatrix(e){return/mat\d/.test(e)}isReference(e){return"void"===e||"property"===e||"sampler"===e||"texture"===e||"cubeTexture"===e||"storageTexture"===e||"depthTexture"===e||"texture3D"===e}needsToWorkingColorSpace(){return!1}getComponentTypeFromTexture(e){const t=e.type;if(e.isDataTexture){if(t===T)return"int";if(t===b)return"uint"}return"float"}getElementType(e){return"mat2"===e?"vec2":"mat3"===e?"vec3":"mat4"===e?"vec4":this.getComponentType(e)}getComponentType(e){if("float"===(e=this.getVectorType(e))||"bool"===e||"int"===e||"uint"===e)return e;const t=/(b|i|u|)(vec|mat)([2-4])/.exec(e);return null===t?null:"b"===t[1]?"bool":"i"===t[1]?"int":"u"===t[1]?"uint":"float"}getVectorType(e){return"color"===e?"vec3":"texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e?"vec4":e}getTypeFromLength(e,t="float"){if(1===e)return t;let r=Ts(e);const s="float"===t?"":t[0];return!0===/mat2/.test(t)&&(r=r.replace("vec","mat")),s+r}getTypeFromArray(e){return zT.get(e.constructor)}getTypeFromAttribute(e){let t=e;e.isInterleavedBufferAttribute&&(t=e.data);const r=t.array,s=e.itemSize,i=e.normalized;let n;return e instanceof Ve||!0===i||(n=this.getTypeFromArray(r)),this.getTypeFromLength(s,n)}getTypeLength(e){const t=this.getVectorType(e),r=/vec([2-4])/.exec(t);return null!==r?Number(r[1]):"float"===t||"bool"===t||"int"===t||"uint"===t?1:!0===/mat2/.test(e)?4:!0===/mat3/.test(e)?9:!0===/mat4/.test(e)?16:0}getVectorFromMatrix(e){return e.replace("mat","vec")}changeComponentType(e,t){return this.getTypeFromLength(this.getTypeLength(e),t)}getIntegerType(e){const t=this.getComponentType(e);return"int"===t||"uint"===t?e:this.changeComponentType(e,"int")}addStack(){return this.stack=Cm(this.stack),this.stacks.push(Bi()||this.stack),Mi(this.stack),this.stack}removeStack(){const e=this.stack;return this.stack=e.parent,Mi(this.stacks.pop()),e}getDataFromNode(e,t=this.shaderStage,r=null){let s=(r=null===r?e.isGlobal(this)?this.globalCache:this.cache:r).getData(e);return void 0===s&&(s={},r.setData(e,s)),void 0===s[t]&&(s[t]={}),s[t]}getNodeProperties(e,t="any"){const r=this.getDataFromNode(e,t);return r.properties||(r.properties={outputNode:null})}getBufferAttributeFromNode(e,t){const r=this.getDataFromNode(e);let s=r.bufferAttribute;if(void 0===s){const i=this.uniforms.index++;s=new Kb("nodeAttribute"+i,t,e),this.bufferAttributes.push(s),r.bufferAttribute=s}return s}getStructTypeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e,r);let i=s.structType;if(void 0===i){const e=this.structs.index++;i=new rT("StructType"+e,t),this.structs[r].push(i),s.structType=i}return i}getUniformFromNode(e,t,r=this.shaderStage,s=null){const i=this.getDataFromNode(e,r,this.globalCache);let n=i.uniform;if(void 0===n){const o=this.uniforms.index++;n=new Yb(s||"nodeUniform"+o,t,e),this.uniforms[r].push(n),i.uniform=n}return n}getArrayCount(e){let t=null;return e.isArrayNode?t=e.count:e.isVarNode&&e.node.isArrayNode&&(t=e.node.count),t}getVarFromNode(e,t=null,r=e.getNodeType(this),s=this.shaderStage,i=!1){const n=this.getDataFromNode(e,s);let o=n.variable;if(void 0===o){const a=i?"_const":"_var",u=this.vars[s]||(this.vars[s]=[]),l=this.vars[a]||(this.vars[a]=0);null===t&&(t=(i?"nodeConst":"nodeVar")+l,this.vars[a]++);const d=this.getArrayCount(e);o=new Qb(t,r,i,d),i||u.push(o),n.variable=o}return o}isDeterministic(e){if(e.isMathNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode))&&(!e.cNode||this.isDeterministic(e.cNode));if(e.isOperatorNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode));if(e.isArrayNode){if(null!==e.values)for(const t of e.values)if(!this.isDeterministic(t))return!1;return!0}return!!e.isConstNode}getVaryingFromNode(e,t=null,r=e.getNodeType(this)){const s=this.getDataFromNode(e,"any");let i=s.varying;if(void 0===i){const e=this.varyings,n=e.length;null===t&&(t="nodeVarying"+n),i=new Zb(t,r),e.push(i),s.varying=i}return i}getCodeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e);let i=s.code;if(void 0===i){const e=this.codes[r]||(this.codes[r]=[]),n=e.length;i=new Jb("nodeCode"+n,t),e.push(i),s.code=i}return i}addFlowCodeHierarchy(e,t){const{flowCodes:r,flowCodeBlock:s}=this.getDataFromNode(e);let i=!0,n=t;for(;n;){if(!0===s.get(n)){i=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(i)for(const e of r)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,r){const s=this.getDataFromNode(e),i=s.flowCodes||(s.flowCodes=[]),n=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);i.push(t),n.set(r,!0)}addLineFlowCode(e,t=null){return""===e||(null!==t&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e+=";\n"),this.flow.code+=e),this}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}buildFunctionNode(e){const t=new Sy,r=this.currentFunctionNode;return this.currentFunctionNode=t,t.code=this.buildFunctionCode(e),this.currentFunctionNode=r,t}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new Am(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.cache,n=this.buildStage,o=this.stack,a={code:""};this.flow=a,this.vars={},this.cache=new tT,this.stack=Cm();for(const r of Ps)this.setBuildStage(r),a.result=e.build(this,t);return a.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.cache=i,this.stack=o,this.setBuildStage(n),a}getFunctionOperator(){return null}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.shaderStage;this.setShaderStage(e);const n=this.flowChildNode(t,r);return null!==s&&(n.code+=`${this.tab+s} = ${n.result};\n`),this.flowCode[e]=this.flowCode[e]+n.code,this.setShaderStage(i),n}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){console.warn("Abstract function.")}getVaryings(){console.warn("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e){let t="";const r=this.vars[e];if(void 0!==r)for(const e of r)t+=`${this.getVar(e.type,e.name)}; `;return t}getUniforms(){console.warn("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){console.warn("Abstract function.")}build(){const{object:e,material:t,renderer:r}=this;if(null!==t){let e=r.library.fromMaterial(t);null===e&&(console.error(`NodeMaterial: Material "${t.type}" is not compatible.`),e=new hh),e.build(this)}else this.addFlow("compute",e);for(const e of Ps){this.setBuildStage(e),this.context.vertex&&this.context.vertex.isNode&&this.flowNodeFromShaderStage("vertex",this.context.vertex);for(const t of Is){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getNodeUniform(e,t){if("float"===t||"int"===t||"uint"===t)return new hT(e);if("vec2"===t||"ivec2"===t||"uvec2"===t)return new pT(e);if("vec3"===t||"ivec3"===t||"uvec3"===t)return new gT(e);if("vec4"===t||"ivec4"===t||"uvec4"===t)return new mT(e);if("color"===t)return new fT(e);if("mat2"===t)return new yT(e);if("mat3"===t)return new xT(e);if("mat4"===t)return new bT(e);throw new Error(`Uniform "${t}" not declared.`)}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}(${e}[0].xyz, ${e}[1].xyz, ${e}[2].xyz)`:9===s&&4===i?`${this.getType(r)}(${e}[0].xy, ${e}[1].xy)`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?this.format(`${e}.${"xyz".slice(0,i)}`,this.getTypeFromLength(i,this.getComponentType(t)),r):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${Oe} - Node System\n`}createNodeMaterial(e="NodeMaterial"){throw new Error(`THREE.NodeBuilder: createNodeMaterial() was deprecated. Use new ${e}() instead.`)}}class HT{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderMap:new WeakMap,frameMap:new WeakMap},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===Ms.FRAME){const{frameMap:t}=this._getMaps(this.updateBeforeMap,r);t.get(r)!==this.frameId&&!1!==e.updateBefore(this)&&t.set(r,this.frameId)}else if(t===Ms.RENDER){const{renderMap:t}=this._getMaps(this.updateBeforeMap,r);t.get(r)!==this.renderId&&!1!==e.updateBefore(this)&&t.set(r,this.renderId)}else t===Ms.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===Ms.FRAME){const{frameMap:t}=this._getMaps(this.updateAfterMap,r);t.get(r)!==this.frameId&&!1!==e.updateAfter(this)&&t.set(r,this.frameId)}else if(t===Ms.RENDER){const{renderMap:t}=this._getMaps(this.updateAfterMap,r);t.get(r)!==this.renderId&&!1!==e.updateAfter(this)&&t.set(r,this.renderId)}else t===Ms.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===Ms.FRAME){const{frameMap:t}=this._getMaps(this.updateMap,r);t.get(r)!==this.frameId&&!1!==e.update(this)&&t.set(r,this.frameId)}else if(t===Ms.RENDER){const{renderMap:t}=this._getMaps(this.updateMap,r);t.get(r)!==this.renderId&&!1!==e.update(this)&&t.set(r,this.renderId)}else t===Ms.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class jT{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}jT.isNodeFunctionInput=!0;class qT extends Lx{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setup(e){super.setup(e);const t=e.context.lightingModel,r=this.colorNode,s=ax(this.light),i=e.context.reflectedLight;t.direct({lightDirection:s,lightColor:r,reflectedLight:i},e.stack,e)}}const XT=new o,KT=new o;let YT=null;class QT extends Lx{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=hn(new r).setGroup(ln),this.halfWidth=hn(new r).setGroup(ln),this.updateType=Ms.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;KT.identity(),XT.copy(t.matrixWorld),XT.premultiply(r),KT.extractRotation(XT),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(KT),this.halfHeight.value.applyMatrix4(KT)}setup(e){let t,r;super.setup(e),e.isAvailable("float32Filterable")?(t=Pu(YT.LTC_FLOAT_1),r=Pu(YT.LTC_FLOAT_2)):(t=Pu(YT.LTC_HALF_1),r=Pu(YT.LTC_HALF_2));const{colorNode:s,light:i}=this,n=e.context.lightingModel,o=ox(i),a=e.context.reflectedLight;n.directRectArea({lightColor:s,lightPosition:o,halfWidth:this.halfWidth,halfHeight:this.halfHeight,reflectedLight:a,ltc_1:t,ltc_2:r},e.stack,e)}static setLTC(e){YT=e}}class ZT extends Lx{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=hn(0).setGroup(ln),this.penumbraCosNode=hn(0).setGroup(ln),this.cutoffDistanceNode=hn(0).setGroup(ln),this.decayExponentNode=hn(0).setGroup(ln)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e){const{coneCosNode:t,penumbraCosNode:r}=this;return Na(t,r,e)}setup(e){super.setup(e);const t=e.context.lightingModel,{colorNode:r,cutoffDistanceNode:s,decayExponentNode:i,light:n}=this,o=ox(n).sub(bl),a=o.normalize(),u=a.dot(ax(n)),l=this.getSpotAttenuation(u),d=o.length(),c=Dx({lightDistance:d,cutoffDistance:s,decayExponent:i});let h=r.mul(l).mul(c);if(n.map){const e=sx(n),t=Pu(n.map,e.xy).onRenderUpdate((()=>n.map));h=e.mul(2).sub(1).abs().lessThan(1).all().select(h.mul(t),h)}const p=e.context.reflectedLight;t.direct({lightDirection:a,lightColor:h,reflectedLight:p},e.stack,e)}}class JT extends ZT{static get type(){return"IESSpotLightNode"}getSpotAttenuation(e){const t=this.light.iesMap;let r=null;if(t&&!0===t.isTexture){const s=e.acos().mul(1/Math.PI);r=Pu(t,Oi(s,0),0).r}else r=super.getSpotAttenuation(e);return r}}class e_ extends Lx{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class t_ extends Lx{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=ix(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=hn(new e).setGroup(ln)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=Cl.dot(s).mul(.5).add(.5),n=ba(r,t,i);e.context.irradiance.addAssign(n)}}class r_ extends Lx{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=Gu(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=zb(El,this.lightProbe);e.context.irradiance.addAssign(t)}}class s_{parseFunction(){console.warn("Abstract function.")}}class i_{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){console.warn("Abstract function.")}}i_.isNodeFunction=!0;const n_=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,o_=/[a-z_0-9]+/gi,a_="#pragma main";class u_ extends i_{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:o,headerCode:a}=(e=>{const t=(e=e.trim()).indexOf(a_),r=-1!==t?e.slice(t+12):e,s=r.match(n_);if(null!==s&&5===s.length){const i=s[4],n=[];let o=null;for(;null!==(o=o_.exec(i));)n.push(o);const a=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];a.push(new jT(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:a,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=o,this.headerCode=a}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:o}=this;let a=`${s} ${e} ( ${i.trim()} )`;""!==o&&(a=`${o} ${a}`),t=n+a+r}else t="";return t}}class l_ extends s_{parseFunction(e){return new u_(e)}}const d_=new WeakMap,c_=[],h_=[];class p_ extends Hg{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new HT,this.nodeBuilderCache=new Map,this.callHashCache=new Gg,this.groupsData=new Gg,this.cacheLib={}}updateGroup(e){const t=e.groupNode,r=t.name;if(r===dn.name)return!0;if(r===ln.name){const t=this.get(e),r=this.nodeFrame.renderId;return t.renderId!==r&&(t.renderId=r,!0)}if(r===un.name){const t=this.get(e),r=this.nodeFrame.frameId;return t.frameId!==r&&(t.frameId=r,!0)}c_[0]=t,c_[1]=e;let s=this.groupsData.get(c_);return void 0===s&&this.groupsData.set(c_,s={}),c_.length=0,s.version!==t.version&&(s.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}getForRender(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const{nodeBuilderCache:s}=this,i=this.getForRenderCacheKey(e);if(r=s.get(i),void 0===r){const t=this.backend.createNodeBuilder(e.object,this.renderer);t.scene=e.scene,t.material=e.material,t.camera=e.camera,t.context.material=e.material,t.lightsNode=e.lightsNode,t.environmentNode=this.getEnvironmentNode(e.scene),t.fogNode=this.getFogNode(e.scene),t.clippingContext=e.clippingContext,t.build(),r=this._createNodeBuilderState(t),s.set(i,r)}r.usedTimes++,t.nodeBuilderState=r}return r}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r}return r}_createNodeBuilderState(e){return new Xb(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.transforms)}getEnvironmentNode(e){this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){c_[0]=e,c_[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(c_)||{};if(s.callId!==r){const i=this.getEnvironmentNode(e),n=this.getFogNode(e);t&&h_.push(t.getCacheKey(!0)),i&&h_.push(i.getCacheKey()),n&&h_.push(n.getCacheKey()),h_.push(this.renderer.shadowMap.enabled?1:0),s.callId=r,s.cacheKey=gs(h_),this.callHashCache.set(c_,s),h_.length=0}return c_.length=0,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,(()=>{if(!0===r.isCubeTexture||r.mapping===j||r.mapping===q||r.mapping===Ue){if(e.backgroundBlurriness>0||r.mapping===Ue)return ag(r);{let e;return e=!0===r.isCubeTexture?Gl(r):Pu(r),Fh(e)}}if(!0===r.isTexture)return Pu(r,Ic.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&console.error("WebGPUNodes: Unsupported background configuration.",r)}),s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,(()=>{if(r.isFogExp2){const e=$l("color","color",r).setGroup(ln),t=$l("density","float",r).setGroup(ln);return Ly(e,Iy(t))}if(r.isFog){const e=$l("color","color",r).setGroup(ln),t=$l("near","float",r).setGroup(ln),s=$l("far","float",r).setGroup(ln);return Ly(e,Py(t,s))}console.error("THREE.Renderer: Unsupported fog configuration.",r)}));t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,(()=>!0===r.isCubeTexture?Gl(r):!0===r.isTexture?Pu(r):void console.error("Nodes: Unsupported environment configuration.",r)));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace}hasOutputChange(e){return d_.get(e)!==this.getOutputCacheKey()}getOutputNode(e){const t=this.renderer,r=this.getOutputCacheKey(),s=Pu(e,Ic).renderOutput(t.toneMapping,t.currentColorSpace);return d_.set(e,r),s}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new HT,this.nodeBuilderCache=new Map,this.cacheLib={}}}const g_=new ye;class m_{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass,this.viewMatrix=e.viewMatrix)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){g_.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=g_.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=g_.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix=t.matrixWorldInverse,this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let o,a;if(this.clipIntersection?(o=this.intersectionPlanes,a=e.intersectionPlanes.length):(o=this.unionPlanes,a=e.unionPlanes.length),o.length!==a+n){o.length=a+n;for(let e=0;e<n;e++)o[a+e]=new s;r=!0}this.projectPlanes(i,o,a),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new m_(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class f_{constructor(e,t){this.bundleGroup=e,this.camera=t}}const y_=[];class x_{constructor(){this.bundles=new Gg}get(e,t){const r=this.bundles;y_[0]=e,y_[1]=t;let s=r.get(y_);return void 0===s&&(s=new f_(e,t),r.set(y_,s)),y_.length=0,s}dispose(){this.bundles=new Gg}}class b_{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))console.warn(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))console.warn(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`Base class ${t.name} is not a class.`);r.set(t,e)}}}const T_=new dx,__=[];class v_ extends Gg{constructor(){super()}createNode(e=[]){return(new dx).setLights(e)}getNode(e,t){if(e.isQuadMesh)return T_;__[0]=e,__[1]=t;let r=this.get(__);return void 0===r&&(r=this.createNode(),this.set(__,r)),__.length=0,r}}class N_ extends fe{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this.hasExternalTextures=!1,this.autoAllocateDepthBuffer=!0}copy(e){return super.copy(e),this.hasExternalTextures=e.hasExternalTextures,this.autoAllocateDepthBuffer=e.autoAllocateDepthBuffer,this}}const S_=new r,A_=new r;class R_ extends a{constructor(e){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new Pe,this._cameraL.viewport=new s,this._cameraR=new Pe,this._cameraR.viewport=new s,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new Ge,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._currentRenderTarget=null,this._xrRenderTarget=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSize=new t,this._onSessionEvent=E_.bind(this),this._onSessionEnd=w_.bind(this),this._onInputSourcesChange=M_.bind(this),this._onAnimationFrame=B_.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._glProjLayer=null,this._xrFrame=null,this._useLayers="undefined"!=typeof XRWebGLBinding&&"createProjectionLayer"in XRWebGLBinding.prototype}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){if(null!==this._glProjLayer||null!==this._glBaseLayer)return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&console.warn("THREE.XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&console.warn("THREE.XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getFrame(){return this._xrFrame}getSession(){return this._session}async setSession(e){const t=this._renderer,r=t.backend,s=t.getContext();if(this._session=e,null!==e){if(!0===r.isWebGPUBackend)throw new Error('THREE.XRManager: XR is currently not supported with a WebGPU backend. Use WebGL by passing "{ forceWebGL: true }" to the constructor of the renderer.');this._currentRenderTarget=t.getRenderTarget(),e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),await r.makeXRCompatible(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop();const i=s.getContextAttributes();if(!0===this._useLayers){let r=null,n=null,o=null;i.depth&&(o=i.stencil?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24,r=i.stencil?he:pe,n=i.stencil?ge:b);const a={colorFormat:s.RGBA8,depthFormat:o,scaleFactor:this._framebufferScaleFactor},u=new XRWebGLBinding(e,s),l=u.createProjectionLayer(a);this._glBinding=u,this._glProjLayer=l,e.updateRenderState({layers:[l]}),t.setPixelRatio(1),t.setSize(l.textureWidth,l.textureHeight,!1),this._xrRenderTarget=new N_(l.textureWidth,l.textureHeight,{format:Ie,type:me,colorSpace:t.outputColorSpace,depthTexture:new F(l.textureWidth,l.textureHeight,n,void 0,void 0,void 0,void 0,void 0,void 0,r),stencilBuffer:i.stencil,samples:i.antialias?4:0}),this._xrRenderTarget.hasExternalTextures=!0}else{const r={antialias:i.antialias,alpha:!0,depth:i.depth,stencil:i.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},n=new XRWebGLLayer(e,s,r);this._glBaseLayer=n,e.updateRenderState({baseLayer:n}),t.setPixelRatio(1),t.setSize(n.framebufferWidth,n.framebufferHeight,!1),this._xrRenderTarget=new N_(n.framebufferWidth,n.framebufferHeight,{format:Ie,type:me,colorSpace:t.outputColorSpace,stencilBuffer:i.stencil})}this.setFoveation(this.getFoveation()),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,o=this._cameraR;i.near=o.near=n.near=r,i.far=o.far=n.far=s,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),n.layers.mask=2|e.layers.mask,o.layers.mask=4|e.layers.mask,i.layers.mask=n.layers.mask|o.layers.mask;const a=e.parent,u=i.cameras;C_(i,a);for(let e=0;e<u.length;e++)C_(u[e],a);2===u.length?function(e,t,r){S_.setFromMatrixPosition(t.matrixWorld),A_.setFromMatrixPosition(r.matrixWorld);const s=S_.distanceTo(A_),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,o=i[14]/(i[10]-1),a=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=o*d,p=o*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=o+g,r=a+g,i=h-m,n=p+(s-m),d=u*a/r*t,c=l*a/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,o):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*ze*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,a)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new ke,this._controllers[e]=t),t}}function C_(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function E_(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function w_(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}this._currentDepthNear=null,this._currentDepthFar=null,t.backend.setXRTarget(null),t.setRenderTarget(this._currentRenderTarget),this._session=null,this._xrRenderTarget=null,this.isPresenting=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function M_(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const o=t[n];o&&o.connect(i)}}function B_(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,o=this._glBaseLayer,a=this.getReferenceSpace(),u=t.getViewerPose(a);if(this._xrFrame=t,null!==u){const e=u.views;null!==this._glBaseLayer&&n.setXRTarget(o.framebuffer);let t=!1;e.length!==r.cameras.length&&(r.cameras.length=0,t=!0);for(let i=0;i<e.length;i++){const a=e[i];let u;if(!0===this._useLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,a);u=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues?void 0:e.depthStencilTexture)}else u=o.getViewport(a);let l=this._cameras[i];void 0===l&&(l=new Pe,l.layers.enable(i),l.viewport=new s,this._cameras[i]=l),l.matrix.fromArray(a.transform.matrix),l.matrix.decompose(l.position,l.quaternion,l.scale),l.projectionMatrix.fromArray(a.projectionMatrix),l.projectionMatrixInverse.copy(l.projectionMatrix).invert(),l.viewport.set(u.x,u.y,u.width,u.height),0===i&&(r.matrix.copy(l.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===t&&r.cameras.push(l)}i.setRenderTarget(this._xrRenderTarget)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,a)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}const F_=new z,U_=new t,P_=new s,I_=new je,L_=new o,D_=new s;class V_{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,alpha:i=!0,depth:n=!0,stencil:o=!1,antialias:a=!1,samples:u=0,getFallback:l=null}=t;this.domElement=e.getDomElement(),this.backend=e,this.samples=u||!0===a?4:0,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=r,this.outputColorSpace=$e,this.toneMapping=p,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=n,this.stencil=o,this.info=new tm,this.nodes={modelViewMatrix:null,modelNormalViewMatrix:null},this.library=new b_,this.lighting=new v_,this._getFallback=l,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quad=new xf(new hh),this._quad.material.name="Renderer_output",this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const d=!0===this.alpha?0:1;this._clearColor=new Sm(0,0,0,d),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this._initialized=!1,this._initPromise=null,this._compilationPromises=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,type:We},this.xr=new R_(this),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(e,t);const s=this._renderLists.get(e,t),i=this._renderContexts.get(e,t,this._renderTarget),n=e.overrideMaterial||r.material,o=this._objects.get(r,n,e,t,s.lightsNode,i,i.clippingContext),{fragmentShader:a,vertexShader:u}=o.getNodeBuilderState();return{fragmentShader:a,vertexShader:u}}}}async init(){if(this._initialized)throw new Error("Renderer: Backend has already been initialized.");return null!==this._initPromise||(this._initPromise=new Promise((async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new p_(this,r),this._animation=new Og(this._nodes,this.info),this._attributes=new Qg(r),this._background=new Hb(this,this._nodes),this._geometries=new em(this._attributes,this.info),this._textures=new Nm(this,r,this.info),this._pipelines=new am(r,this._nodes),this._bindings=new um(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new Wg(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new gm(this.lighting),this._bundles=new x_,this._renderContexts=new _m,this._animation.start(),this._initialized=!0,e()}))),this._initPromise}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,o=this._currentRenderObjectFunction,a=this._compilationPromises,u=!0===e.isScene?e:F_;null===r&&(r=e);const l=this._renderTarget,d=this._renderContexts.get(r,t,l),c=this._activeMipmapLevel,h=[];this._currentRenderContext=d,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=h,s.renderId++,s.update(),d.depth=this.depth,d.stencil=this.stencil,d.clippingContext||(d.clippingContext=new m_),d.clippingContext.updateGlobal(u,t),u.onBeforeRender(this,e,t,l);const p=this._renderLists.get(e,t);if(p.begin(),this._projectObject(e,t,0,p,d.clippingContext),r!==e&&r.traverseVisible((function(e){e.isLight&&e.layers.test(t.layers)&&p.pushLight(e)})),p.finish(),null!==l){this._textures.updateRenderTarget(l,c);const e=this._textures.get(l);d.textures=e.textures,d.depthTexture=e.depthTexture}else d.textures=null,d.depthTexture=null;this._background.update(u,p,d);const g=p.opaque,m=p.transparent,f=p.transparentDoublePass,y=p.lightsNode;!0===this.opaque&&g.length>0&&this._renderObjects(g,t,u,y),!0===this.transparent&&m.length>0&&this._renderTransparents(m,f,t,u,y),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=o,this._compilationPromises=a,this._handleObjectFunction=this._renderObjectDirect,await Promise.all(h)}async renderAsync(e,t){!1===this._initialized&&await this.init(),this._renderScene(e,t)}async waitForGPU(){await this.backend.waitForGPU()}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),console.error(t),this._isDeviceLost=!0}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,o=this._currentRenderContext,a=this._bundles.get(s,i),u=this.backend.get(a);void 0===u.renderContexts&&(u.renderContexts=new Set);const l=s.version!==u.version,d=!1===u.renderContexts.has(o)||l;if(u.renderContexts.add(o),d){this.backend.beginBundle(o),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=a;const e=n.opaque;!0===this.opaque&&e.length>0&&this._renderObjects(e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(o,a),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(o,a)}render(e,t){if(!1===this._initialized)return console.warn("THREE.Renderer: .render() called before the backend is initialized. Try using .renderAsync() instead."),this.renderAsync(e,t);this._renderScene(e,t)}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this;if(!1===(e!==p)&&!1===(t!==Ce))return null;const{width:r,height:s}=this.getDrawingBufferSize(U_),{depth:i,stencil:n}=this;let o=this._frameBufferTarget;return null===o&&(o=new fe(r,s,{depthBuffer:i,stencilBuffer:n,type:be,format:Ie,colorSpace:Ce,generateMipmaps:!1,minFilter:$,magFilter:$,samples:this.samples}),o.isPostProcessingRenderTarget=!0,this._frameBufferTarget=o),o.depthBuffer=i,o.stencilBuffer=n,o.setSize(r,s),o.viewport.copy(this._viewport),o.scissor.copy(this._scissor),o.viewport.multiplyScalar(this._pixelRatio),o.scissor.multiplyScalar(this._pixelRatio),o.scissorTest=this._scissorTest,o}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,o=this._currentRenderContext,a=this._currentRenderObjectFunction,u=!0===e.isScene?e:F_,l=this._renderTarget,d=this._activeCubeFace,c=this._activeMipmapLevel;let h;null!==s?(h=s,this.setRenderTarget(h)):h=l;const p=this._renderContexts.get(e,t,h);this._currentRenderContext=p,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls;const g=this.coordinateSystem,m=this.xr;if(t.coordinateSystem!==g&&!1===m.isPresenting&&(t.coordinateSystem=g,t.updateProjectionMatrix(),t.isArrayCamera))for(const e of t.cameras)e.coordinateSystem=g,e.updateProjectionMatrix();!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0===m.enabled&&!0===m.isPresenting&&(!0===m.cameraAutoUpdate&&m.updateCamera(t),t=m.getCamera());let f=this._viewport,y=this._scissor,x=this._pixelRatio;null!==h&&(f=h.viewport,y=h.scissor,x=1),this.getDrawingBufferSize(U_),P_.set(0,0,U_.width,U_.height);const b=void 0===f.minDepth?0:f.minDepth,T=void 0===f.maxDepth?1:f.maxDepth;p.viewportValue.copy(f).multiplyScalar(x).floor(),p.viewportValue.width>>=c,p.viewportValue.height>>=c,p.viewportValue.minDepth=b,p.viewportValue.maxDepth=T,p.viewport=!1===p.viewportValue.equals(P_),p.scissorValue.copy(y).multiplyScalar(x).floor(),p.scissor=this._scissorTest&&!1===p.scissorValue.equals(P_),p.scissorValue.width>>=c,p.scissorValue.height>>=c,p.clippingContext||(p.clippingContext=new m_),p.clippingContext.updateGlobal(u,t),u.onBeforeRender(this,e,t,h),L_.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),I_.setFromProjectionMatrix(L_,g);const _=this._renderLists.get(e,t);if(_.begin(),this._projectObject(e,t,0,_,p.clippingContext),_.finish(),!0===this.sortObjects&&_.sort(this._opaqueSort,this._transparentSort),null!==h){this._textures.updateRenderTarget(h,c);const e=this._textures.get(h);p.textures=e.textures,p.depthTexture=e.depthTexture,p.width=e.width,p.height=e.height,p.renderTarget=h,p.depth=h.depthBuffer,p.stencil=h.stencilBuffer}else p.textures=null,p.depthTexture=null,p.width=this.domElement.width,p.height=this.domElement.height,p.depth=this.depth,p.stencil=this.stencil;p.width>>=c,p.height>>=c,p.activeCubeFace=d,p.activeMipmapLevel=c,p.occlusionQueryCount=_.occlusionQueryCount,this._background.update(u,_,p),this.backend.beginRender(p);const{bundles:v,lightsNode:N,transparentDoublePass:S,transparent:A,opaque:R}=_;if(v.length>0&&this._renderBundles(v,u,N),!0===this.opaque&&R.length>0&&this._renderObjects(R,t,u,N),!0===this.transparent&&A.length>0&&this._renderTransparents(A,S,t,u,N),this.backend.finishRender(p),i.renderId=n,this._currentRenderContext=o,this._currentRenderObjectFunction=a,null!==s){this.setRenderTarget(l,d,c);const e=this._quad;this._nodes.hasOutputChange(h.texture)&&(e.material.fragmentNode=this._nodes.getOutputNode(h.texture),e.material.needsUpdate=!0),this._renderScene(e,e.camera,!1)}return u.onAfterRender(this,e,t,h),p}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}async getArrayBufferAsync(e){return await this.backend.getArrayBufferAsync(e)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._initialized&&this.backend.updateSize()}setSize(e,t,r=!0){this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._initialized&&this.backend.updateSize()}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e,this.backend.setScissorTest(e)}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const o=this._viewport;e.isVector4?o.copy(e):o.set(e,t,r,s),o.minDepth=i,o.maxDepth=n}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)return console.warn("THREE.Renderer: .clear() called before the backend is initialized. Try using .clearAsync() instead."),this.clearAsync(e,t,r);const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.getForClear(s),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer}if(i.clearColorValue=this._clearColor,this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget){const e=this._quad;this._nodes.hasOutputChange(s.texture)&&(e.material.fragmentNode=this._nodes.getOutputNode(s.texture),e.material.needsUpdate=!0),this._renderScene(e,e.camera,!1)}}clearColor(){return this.clear(!0,!1,!1)}clearDepth(){return this.clear(!1,!0,!1)}clearStencil(){return this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){!1===this._initialized&&await this.init(),this.clear(e,t,r)}async clearColorAsync(){this.clearAsync(!0,!1,!1)}async clearDepthAsync(){this.clearAsync(!1,!0,!1)}async clearStencilAsync(){this.clearAsync(!1,!1,!0)}get currentToneMapping(){return null!==this._renderTarget?p:this.toneMapping}get currentColorSpace(){return null!==this._renderTarget?Ce:this.outputColorSpace}dispose(){this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),Object.values(this.backend.timestampQueryPool).forEach((e=>{null!==e&&e.dispose()})),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return console.warn("THREE.Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e);const t=this._nodes.nodeFrame,r=t.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,t.renderId=this.info.calls;const s=this.backend,i=this._pipelines,n=this._bindings,o=this._nodes,a=Array.isArray(e)?e:[e];if(void 0===a[0]||!0!==a[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");s.beginCompute(e);for(const t of a){if(!1===i.has(t)){const e=()=>{t.removeEventListener("dispose",e),i.delete(t),n.delete(t),o.delete(t)};t.addEventListener("dispose",e);const r=t.onInitFunction;null!==r&&r.call(t,{renderer:this})}o.updateForCompute(t),n.updateForCompute(t);const r=n.getForCompute(t),a=i.getForCompute(t,r);s.compute(e,t,r,a)}s.finishCompute(e),t.renderId=r}async computeAsync(e){!1===this._initialized&&await this.init(),this.compute(e)}async hasFeatureAsync(e){return!1===this._initialized&&await this.init(),this.backend.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){return!1===this._initialized?(console.warn("THREE.Renderer: .hasFeature() called before the backend is initialized. Try using .hasFeatureAsync() instead."),!1):this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){!1===this._initialized&&await this.init(),this._textures.updateTexture(e)}initTexture(e){!1===this._initialized&&console.warn("THREE.Renderer: .initTexture() called before the backend is initialized. Try using .initTextureAsync() instead."),this._textures.updateTexture(e)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=D_.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void console.error("THREE.Renderer.copyFramebufferToTexture: Invalid rectangle.");t=D_.copy(t).floor()}else t=D_.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t)}copyTextureToTexture(e,t,r=null,s=null,i=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,o=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,o)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){if(!e.frustumCulled||I_.intersectsSprite(e)){!0===this.sortObjects&&D_.setFromMatrixPosition(e.matrixWorld).applyMatrix4(L_);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,D_.z,null,i)}}else if(e.isLineLoop)console.error("THREE.Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if((e.isMesh||e.isLine||e.isPoints)&&(!e.frustumCulled||I_.intersectsObject(e))){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),D_.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(L_)),Array.isArray(n)){const o=t.groups;for(let a=0,u=o.length;a<u;a++){const u=o[a],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,D_.z,u,i)}}else n.visible&&s.push(e,t,n,r,D_.z,null,i)}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,o=n.length;e<o;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=_;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=He;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=de}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,o=e.length;n<o;n++){const{object:o,geometry:a,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(o,r,t,a,u,l,s,d,i)}}renderObject(e,t,r,s,i,n,o,a=null,u=null){let l,d,c;if(e.onBeforeRender(this,t,r,s,i,n),null!==t.overrideMaterial){const e=t.overrideMaterial;i.positionNode&&i.positionNode.isNode&&(l=e.positionNode,e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0,e.isShadowPassMaterial&&(e.side=null===i.shadowSide?i.side:i.shadowSide,i.depthNode&&i.depthNode.isNode&&(c=e.depthNode,e.depthNode=i.depthNode),i.castShadowNode&&i.castShadowNode.isNode&&(d=e.colorNode,e.colorNode=i.castShadowNode)),i=e}!0===i.transparent&&i.side===de&&!1===i.forceSinglePass?(i.side=_,this._handleObjectFunction(e,i,t,r,o,n,a,"backSide"),i.side=He,this._handleObjectFunction(e,i,t,r,o,n,a,u),i.side=de):this._handleObjectFunction(e,i,t,r,o,n,a,u),void 0!==l&&(t.overrideMaterial.positionNode=l),void 0!==c&&(t.overrideMaterial.depthNode=c),void 0!==d&&(t.overrideMaterial.colorNode=d),e.onAfterRender(this,t,r,s,i,n)}_renderObjectDirect(e,t,r,s,i,n,o,a){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,o,a);u.drawRange=e.geometry.drawRange,u.group=n;const l=this._nodes.needsRefresh(u);if(l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u)}_createObjectPipeline(e,t,r,s,i,n,o,a){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,o,a);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}get compile(){return this.compileAsync}}class O_{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}clone(){return Object.assign(new this.constructor,this)}}class G_ extends O_{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t}get byteLength(){return(e=this._buffer.byteLength)+(Yg-e%Yg)%Yg;var e}get buffer(){return this._buffer}update(){return!0}}class k_ extends G_{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let z_=0;class $_ extends k_{constructor(e,t){super("UniformBuffer_"+z_++,e?e.value:null),this.nodeUniform=e,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class W_ extends k_{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[]}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){let e=0;for(let t=0,r=this.uniforms.length;t<r;t++){const r=this.uniforms[t],{boundary:s,itemSize:i}=r,n=e%Yg;0!==n&&Yg-n-s<0?e+=Yg-n:n%s!=0&&(e+=n%s),r.offset=e/this.bytesPerElement,e+=i*this.bytesPerElement}return Math.ceil(e/Yg)*Yg}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void console.error("THREE.WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,t=!0}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,e[i+2]=r[i+2]=s.z,t=!0}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+4]!==s.w){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,e[i+2]=r[i+2]=s.z,e[i+3]=r[i+3]=s.w,t=!0}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const e=this.buffer;e[i+0]=r[i+0]=s.r,e[i+1]=r[i+1]=s.g,e[i+2]=r[i+2]=s.b,t=!0}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const e=this.buffer;e[i+0]=r[i+0]=s[0],e[i+1]=r[i+1]=s[1],e[i+2]=r[i+2]=s[2],e[i+4]=r[i+4]=s[3],e[i+5]=r[i+5]=s[4],e[i+6]=r[i+6]=s[5],e[i+8]=r[i+8]=s[6],e[i+9]=r[i+9]=s[7],e[i+10]=r[i+10]=s[8],t=!0}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let H_=0;class j_ extends W_{constructor(e,t){super(e),this.id=H_++,this.groupNode=t,this.isNodeUniformsGroup=!0}}let q_=0;class X_ extends O_{constructor(e,t){super(e),this.id=q_++,this.texture=t,this.version=t?t.version:0,this.store=!1,this.generation=null,this.isSampledTexture=!0}needsBindingsUpdate(e){const{texture:t}=this;return e!==this.generation?(this.generation=e,!0):t.isVideoTexture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}}class K_ extends X_{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}needsBindingsUpdate(e){return this.textureNode.value!==this.texture||super.needsBindingsUpdate(e)}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class Y_ extends K_{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class Q_ extends K_{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const Z_={textureDimensions:"textureSize",equals:"equal"},J_={low:"lowp",medium:"mediump",high:"highp"},ev={swizzleAssign:!0,storageBuffer:!1},tv="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision lowp sampler2DShadow;\n";class rv extends WT{constructor(e,t){super(e,t,new l_),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]},this.useComparisonMethod=!0}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==x}getMethod(e){return Z_[e]||e}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?Xe:Ke;2===s?n=i?Ye:Me:3===s?n=i?Qe:Ze:4===s&&(n=i?Je:Ie);const o={Float32Array:w,Uint8Array:me,Uint16Array:et,Uint32Array:b,Int8Array:tt,Int16Array:rt,Int32Array:T,Uint8ClampedArray:me},a=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/a);a*u*s<r&&u++;const l=a*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new qe(t.array,a,u,n,o[t.array.constructor.name]||w);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new Uu(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.label)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?t.charAt(0)+"_"+e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.label),n=this.getPropertyName(i);this.increaseUsage(r);const o=r.build(this,"uint"),a=this.getDataFromNode(e);let u=a.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+Ls.join("").slice(0,d),h=`ivec2(${o} % ${l}, ${o} / ${l})`,p=this.generateTextureLoad(null,n,h,null,"0");let g="vec4";s.pbo.type===b?g="uvec4":s.pbo.type===T&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),a.propertyName=u}return u}generateTextureLoad(e,t,r,s,i="0"){return s?`texelFetch( ${t}, ivec3( ${r}, ${s} ), ${i} )`:`texelFetch( ${t}, ${r}, ${i} )`}generateTexture(e,t,r,s){return e.isDepthTexture?`texture( ${t}, ${r} ).x`:(s&&(r=`vec3( ${r}, ${s} )`),`texture( ${t}, ${r} )`)}generateTextureLevel(e,t,r,s){return`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s){return`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s){return`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`texture( ${t}, vec3( ${r}, ${s} ) )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`${this.getVar(e.type,e.name,e.count)};`);return t.join("\n\t")}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const i of t){let t=null,n=!1;if("texture"===i.type){const e=i.node.value;let r="";!0===e.isDataTexture&&(e.type===b?r="u":e.type===T&&(r="i")),t=e.compareFunction?`sampler2DShadow ${i.name};`:!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?`${r}sampler2DArray ${i.name};`:`${r}sampler2D ${i.name};`}else if("cubeTexture"===i.type)t=`samplerCube ${i.name};`;else if("texture3D"===i.type)t=`sampler3D ${i.name};`;else if("buffer"===i.type){const e=i.node,r=this.getType(e.bufferType),s=e.bufferCount,n=s>0?s:"";t=`${e.name} {\n\t${r} ${i.name}[${n}];\n};\n`}else{t=`${this.getVectorType(i.type)} ${this.getPropertyName(i,e)};`,n=!0}const o=i.node.precision;if(null!==o&&(t=J_[o]+" "+t),n){t="\t"+t;const e=i.groupNode.name;(s[e]||(s[e]=[])).push(t)}else t="uniform "+t,r.push(t)}let i="";for(const t in s){const r=s[t];i+=this._getGLSLUniformStruct(e+"_"+t,r.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==T){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[],r=e.getMemberTypes();for(let e=0;e<r.length;e++){const s=r[e];t.push(`layout( location = ${e} ) out ${s} m${e};`)}return t.join("\n")}getStructs(e){const t=[],r=this.structs[e];if(0===r.length)return"layout( location = 0 ) out vec4 fragColor;\n";for(let e=0,s=r.length;e<s;e++){const s=r[e];let i="\n";i+=this.getStructMembers(s),i+="\n",t.push(i)}return t.join("\n\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}${s.needsInterpolation?"out":"/*out*/"} ${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce(((e,t)=>e*t),1)}u`}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":null}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=ev[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}ev[e]=t}return t}isFlipY(){return!0}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);t+=`${s.varyingName} = ${i};\n\t`}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions \n${e.extensions}\n\n// precision\n${tv}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// precision\n${tv}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// codes\n${e.codes}\n\n${e.structs}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${s.result};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${s.result};`)))}const n=e[t];n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let o=n.uniformGPU;if(void 0===o){const s=e.groupNode,a=s.name,u=this.getBindGroupArray(a,r);if("texture"===t)o=new K_(i.name,i.node,s),u.push(o);else if("cubeTexture"===t)o=new Y_(i.name,i.node,s),u.push(o);else if("texture3D"===t)o=new Q_(i.name,i.node,s),u.push(o);else if("buffer"===t){e.name=`NodeBuffer_${e.id}`,i.name=`buffer${e.id}`;const t=new $_(e,s);t.name=e.name,u.push(t),o=t}else{const e=this.uniformGroups[r]||(this.uniformGroups[r]={});let n=e[a];void 0===n&&(n=new j_(r+"_"+a,s),e[a]=n,u.push(n)),o=this.getNodeUniform(i,t),n.addUniform(o)}n.uniformGPU=o}return i}}let sv=null,iv=null;class nv{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={render:null,compute:null}}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}createSampler(){}destroySampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void st("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return void st(`WebGPURenderer: No timestamp query pool for type '${e}' found.`);const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async waitForGPU(){}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getMaxAnisotropy(){}getDrawingBufferSize(){return sv=sv||new t,this.renderer.getDrawingBufferSize(sv)}setScissorTest(){}getClearColor(){const e=this.renderer;return iv=iv||new Sm,e.getClearColor(iv),iv.getRGB(iv,this.renderer.currentColorSpace),iv}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:it(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${Oe} webgpu`),this.domElement=e),e}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}dispose(){}}let ov,av,uv=0;class lv{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class dv{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,o=e.isInterleavedBufferAttribute?e.data:e,a=r.get(o);let u,l=a.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),a.bufferGPU=l,a.bufferType=t,a.version=o.version),i instanceof Float32Array)u=s.FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===T,id:uv++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new lv(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),o=n.bufferType,a=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(o,n.bufferGPU),0===a.length)r.bufferSubData(o,0,s);else{for(let e=0,t=a.length;e<t;e++){const t=a[e];r.bufferSubData(o,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(o,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,{gl:r}=t,s=e.isInterleavedBufferAttribute?e.data:e,{bufferGPU:i}=t.get(s),n=e.array,o=n.byteLength;r.bindBuffer(r.COPY_READ_BUFFER,i);const a=r.createBuffer();r.bindBuffer(r.COPY_WRITE_BUFFER,a),r.bufferData(r.COPY_WRITE_BUFFER,o,r.STREAM_READ),r.copyBufferSubData(r.COPY_READ_BUFFER,r.COPY_WRITE_BUFFER,0,0,o),await t.utils._clientWaitAsync();const u=new e.array.constructor(n.length);return r.bindBuffer(r.COPY_WRITE_BUFFER,a),r.getBufferSubData(r.COPY_WRITE_BUFFER,0,u),r.deleteBuffer(a),r.bindBuffer(r.COPY_READ_BUFFER,null),r.bindBuffer(r.COPY_WRITE_BUFFER,null),u.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class cv{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;ov={[nt]:e.FUNC_ADD,[ot]:e.FUNC_SUBTRACT,[at]:e.FUNC_REVERSE_SUBTRACT},av={[ut]:e.ZERO,[lt]:e.ONE,[dt]:e.SRC_COLOR,[ct]:e.SRC_ALPHA,[ht]:e.SRC_ALPHA_SATURATE,[pt]:e.DST_COLOR,[gt]:e.DST_ALPHA,[mt]:e.ONE_MINUS_SRC_COLOR,[ft]:e.ONE_MINUS_SRC_ALPHA,[yt]:e.ONE_MINUS_DST_COLOR,[xt]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==bt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===Tt?t.cullFace(t.BACK):e===_t?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setBlending(e,t,r,s,i,n,o,a){const{gl:u}=this;if(e!==D){if(!1===this.currentBlendingEnabled&&(this.enable(u.BLEND),this.currentBlendingEnabled=!0),e===vt)i=i||t,n=n||r,o=o||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(u.blendEquationSeparate(ov[t],ov[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&o===this.currentBlendDstAlpha||(u.blendFuncSeparate(av[r],av[s],av[n],av[o]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=o),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||a!==this.currentPremultipledAlpha){if(this.currentBlendEquation===nt&&this.currentBlendEquationAlpha===nt||(u.blendEquation(u.FUNC_ADD),this.currentBlendEquation=nt,this.currentBlendEquationAlpha=nt),a)switch(e){case P:u.blendFuncSeparate(u.ONE,u.ONE_MINUS_SRC_ALPHA,u.ONE,u.ONE_MINUS_SRC_ALPHA);break;case At:u.blendFunc(u.ONE,u.ONE);break;case St:u.blendFuncSeparate(u.ZERO,u.ONE_MINUS_SRC_COLOR,u.ZERO,u.ONE);break;case Nt:u.blendFuncSeparate(u.ZERO,u.SRC_COLOR,u.ZERO,u.SRC_ALPHA);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}else switch(e){case P:u.blendFuncSeparate(u.SRC_ALPHA,u.ONE_MINUS_SRC_ALPHA,u.ONE,u.ONE_MINUS_SRC_ALPHA);break;case At:u.blendFunc(u.SRC_ALPHA,u.ONE);break;case St:u.blendFuncSeparate(u.ZERO,u.ONE_MINUS_SRC_COLOR,u.ZERO,u.ONE);break;case Nt:u.blendFunc(u.ZERO,u.SRC_COLOR);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=a}}else!0===this.currentBlendingEnabled&&(this.disable(u.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case Ut:t.depthFunc(t.NEVER);break;case Ft:t.depthFunc(t.ALWAYS);break;case Bt:t.depthFunc(t.LESS);break;case Mt:t.depthFunc(t.LEQUAL);break;case wt:t.depthFunc(t.EQUAL);break;case Et:t.depthFunc(t.GEQUAL);break;case Ct:t.depthFunc(t.GREATER);break;case Rt:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?t.enable(t.SCISSOR_TEST):t.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===de?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===_;t&&(i=!i),this.setFlipSided(i),e.blending===P&&!1===e.transparent?this.setBlending(D):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.samples>1?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:o}=this;void 0===r&&(r=null===i?s.TEXTURE0+o-1:i);let a=n[r];void 0===a&&(a={type:void 0,texture:void 0},n[r]=a),a.type===e&&a.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),a.type=e,a.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}}class hv{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=x){const{gl:r,extensions:s}=this;let i;if(e===me)return r.UNSIGNED_BYTE;if(e===Pt)return r.UNSIGNED_SHORT_4_4_4_4;if(e===It)return r.UNSIGNED_SHORT_5_5_5_1;if(e===Lt)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===tt)return r.BYTE;if(e===rt)return r.SHORT;if(e===et)return r.UNSIGNED_SHORT;if(e===T)return r.INT;if(e===b)return r.UNSIGNED_INT;if(e===w)return r.FLOAT;if(e===be)return r.HALF_FLOAT;if(e===Dt)return r.ALPHA;if(e===Ze)return r.RGB;if(e===Ie)return r.RGBA;if(e===Vt)return r.LUMINANCE;if(e===Ot)return r.LUMINANCE_ALPHA;if(e===pe)return r.DEPTH_COMPONENT;if(e===he)return r.DEPTH_STENCIL;if(e===Ke)return r.RED;if(e===Xe)return r.RED_INTEGER;if(e===Me)return r.RG;if(e===Ye)return r.RG_INTEGER;if(e===Je)return r.RGBA_INTEGER;if(e===Gt||e===kt||e===zt||e===$t)if(t===$e){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===Gt)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===kt)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===zt)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===$t)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===Gt)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===kt)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===zt)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===$t)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===Wt||e===Ht||e===jt||e===qt){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===Wt)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===Ht)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===jt)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===qt)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===Xt||e===Kt||e===Yt){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===Xt||e===Kt)return t===$e?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===Yt)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC}if(e===Qt||e===Zt||e===Jt||e===er||e===tr||e===rr||e===sr||e===ir||e===nr||e===or||e===ar||e===ur||e===lr||e===dr){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===Qt)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===Zt)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===Jt)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===er)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===tr)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===rr)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===sr)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===ir)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===nr)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===or)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===ar)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===ur)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===lr)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===dr)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===cr){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===cr)return t===$e?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(e===hr||e===pr||e===gr||e===mr){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===cr)return i.COMPRESSED_RED_RGTC1_EXT;if(e===pr)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===gr)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===mr)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===ge?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise(((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()}))}}let pv,gv,mv,fv=!1;class yv{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},!1===fv&&(this._init(),fv=!0)}_init(){const e=this.gl;pv={[fr]:e.REPEAT,[yr]:e.CLAMP_TO_EDGE,[xr]:e.MIRRORED_REPEAT},gv={[br]:e.NEAREST,[Tr]:e.NEAREST_MIPMAP_NEAREST,[De]:e.NEAREST_MIPMAP_LINEAR,[$]:e.LINEAR,[Le]:e.LINEAR_MIPMAP_NEAREST,[B]:e.LINEAR_MIPMAP_LINEAR},mv={[_r]:e.NEVER,[vr]:e.ALWAYS,[Ee]:e.LESS,[Nr]:e.LEQUAL,[Sr]:e.EQUAL,[Ar]:e.GEQUAL,[Rr]:e.GREATER,[Cr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i=!1){const{gl:n,extensions:o}=this;if(null!==e){if(void 0!==n[e])return n[e];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+e+"'")}let a=t;return t===n.RED&&(r===n.FLOAT&&(a=n.R32F),r===n.HALF_FLOAT&&(a=n.R16F),r===n.UNSIGNED_BYTE&&(a=n.R8),r===n.UNSIGNED_SHORT&&(a=n.R16),r===n.UNSIGNED_INT&&(a=n.R32UI),r===n.BYTE&&(a=n.R8I),r===n.SHORT&&(a=n.R16I),r===n.INT&&(a=n.R32I)),t===n.RED_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.R8UI),r===n.UNSIGNED_SHORT&&(a=n.R16UI),r===n.UNSIGNED_INT&&(a=n.R32UI),r===n.BYTE&&(a=n.R8I),r===n.SHORT&&(a=n.R16I),r===n.INT&&(a=n.R32I)),t===n.RG&&(r===n.FLOAT&&(a=n.RG32F),r===n.HALF_FLOAT&&(a=n.RG16F),r===n.UNSIGNED_BYTE&&(a=n.RG8),r===n.UNSIGNED_SHORT&&(a=n.RG16),r===n.UNSIGNED_INT&&(a=n.RG32UI),r===n.BYTE&&(a=n.RG8I),r===n.SHORT&&(a=n.RG16I),r===n.INT&&(a=n.RG32I)),t===n.RG_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RG8UI),r===n.UNSIGNED_SHORT&&(a=n.RG16UI),r===n.UNSIGNED_INT&&(a=n.RG32UI),r===n.BYTE&&(a=n.RG8I),r===n.SHORT&&(a=n.RG16I),r===n.INT&&(a=n.RG32I)),t===n.RGB&&(r===n.FLOAT&&(a=n.RGB32F),r===n.HALF_FLOAT&&(a=n.RGB16F),r===n.UNSIGNED_BYTE&&(a=n.RGB8),r===n.UNSIGNED_SHORT&&(a=n.RGB16),r===n.UNSIGNED_INT&&(a=n.RGB32UI),r===n.BYTE&&(a=n.RGB8I),r===n.SHORT&&(a=n.RGB16I),r===n.INT&&(a=n.RGB32I),r===n.UNSIGNED_BYTE&&(a=s===$e&&!1===i?n.SRGB8:n.RGB8),r===n.UNSIGNED_SHORT_5_6_5&&(a=n.RGB565),r===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1),r===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGB4),r===n.UNSIGNED_INT_5_9_9_9_REV&&(a=n.RGB9_E5)),t===n.RGB_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RGB8UI),r===n.UNSIGNED_SHORT&&(a=n.RGB16UI),r===n.UNSIGNED_INT&&(a=n.RGB32UI),r===n.BYTE&&(a=n.RGB8I),r===n.SHORT&&(a=n.RGB16I),r===n.INT&&(a=n.RGB32I)),t===n.RGBA&&(r===n.FLOAT&&(a=n.RGBA32F),r===n.HALF_FLOAT&&(a=n.RGBA16F),r===n.UNSIGNED_BYTE&&(a=n.RGBA8),r===n.UNSIGNED_SHORT&&(a=n.RGBA16),r===n.UNSIGNED_INT&&(a=n.RGBA32UI),r===n.BYTE&&(a=n.RGBA8I),r===n.SHORT&&(a=n.RGBA16I),r===n.INT&&(a=n.RGBA32I),r===n.UNSIGNED_BYTE&&(a=s===$e&&!1===i?n.SRGB8_ALPHA8:n.RGBA8),r===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGBA4),r===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1)),t===n.RGBA_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RGBA8UI),r===n.UNSIGNED_SHORT&&(a=n.RGBA16UI),r===n.UNSIGNED_INT&&(a=n.RGBA32UI),r===n.BYTE&&(a=n.RGBA8I),r===n.SHORT&&(a=n.RGBA16I),r===n.INT&&(a=n.RGBA32I)),t===n.DEPTH_COMPONENT&&(r===n.UNSIGNED_INT&&(a=n.DEPTH24_STENCIL8),r===n.FLOAT&&(a=n.DEPTH_COMPONENT32F)),t===n.DEPTH_STENCIL&&r===n.UNSIGNED_INT_24_8&&(a=n.DEPTH24_STENCIL8),a!==n.R16F&&a!==n.R32F&&a!==n.RG16F&&a!==n.RG32F&&a!==n.RGBA16F&&a!==n.RGBA32F||o.get("EXT_color_buffer_float"),a}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this;r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),r.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),r.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,r.NONE),r.texParameteri(e,r.TEXTURE_WRAP_S,pv[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,pv[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||r.texParameteri(e,r.TEXTURE_WRAP_R,pv[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,gv[t.magFilter]);const n=void 0!==t.mipmaps&&t.mipmaps.length>0,o=t.minFilter===$&&n?B:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,gv[o]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,mv[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===br)return;if(t.minFilter!==De&&t.minFilter!==B)return;if(t.type===w&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i,isDefault:!0})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:o,depth:a}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,o,a):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,o,a):e.isVideoTexture||r.texStorage2D(h,i,d,n,o),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{textureGPU:i,glTextureType:n,glFormat:o,glType:a}=s.get(t),{width:u,height:l}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(n,i),r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(n,0,0,0,u,l,o,a,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:o,glFormat:a,glType:u,glInternalFormat:l}=this.backend.get(e);if(e.isRenderTargetTexture||void 0===n)return;const d=e=>e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||e instanceof OffscreenCanvas?e:e.data;if(this.backend.state.bindTexture(o,n),this.setTextureParameters(o,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==a?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,a,n.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,a,u,n.data):null!==a?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,a,n.data):console.warn("Unsupported compressed texture format")}}else if(e.isCubeTexture){const e=t.images;for(let t=0;t<6;t++){const n=d(e[t]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+t,0,0,0,s,i,a,u,n)}}else if(e.isDataArrayTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,e.width,e.height,e.depth,a,u,e.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,a,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(o,0,l,a,u,t.image);else{const e=d(t.image);r.texSubImage2D(o,0,0,0,s,i,a,u,e)}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e){const{gl:t,backend:r}=this,{textureGPU:s,renderTarget:i}=r.get(e);this.deallocateRenderBuffers(i),t.deleteTexture(s),r.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0){const{gl:n,backend:o}=this,{state:a}=this.backend,{textureGPU:u,glTextureType:l,glType:d,glFormat:c}=o.get(t);let h,p,g,m,f,y;null!==r?(h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.min.x,m=r.min.y):(h=e.image.width,p=e.image.height,g=0,m=0),null!==s?(f=s.x,y=s.y):(f=0,y=0),a.bindTexture(l,u),n.pixelStorei(n.UNPACK_ALIGNMENT,t.unpackAlignment),n.pixelStorei(n.UNPACK_FLIP_Y_WEBGL,t.flipY),n.pixelStorei(n.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),n.pixelStorei(n.UNPACK_ALIGNMENT,t.unpackAlignment);const x=n.getParameter(n.UNPACK_ROW_LENGTH),b=n.getParameter(n.UNPACK_IMAGE_HEIGHT),T=n.getParameter(n.UNPACK_SKIP_PIXELS),_=n.getParameter(n.UNPACK_SKIP_ROWS),v=n.getParameter(n.UNPACK_SKIP_IMAGES),N=e.isCompressedTexture?e.mipmaps[i]:e.image;if(n.pixelStorei(n.UNPACK_ROW_LENGTH,N.width),n.pixelStorei(n.UNPACK_IMAGE_HEIGHT,N.height),n.pixelStorei(n.UNPACK_SKIP_PIXELS,g),n.pixelStorei(n.UNPACK_SKIP_ROWS,m),e.isRenderTargetTexture||e.isDepthTexture){const r=o.get(e),s=o.get(t),i=o.get(r.renderTarget),u=o.get(s.renderTarget),l=i.framebuffers[r.cacheKey],d=u.framebuffers[s.cacheKey];a.bindFramebuffer(n.READ_FRAMEBUFFER,l),a.bindFramebuffer(n.DRAW_FRAMEBUFFER,d);let c=n.COLOR_BUFFER_BIT;e.isDepthTexture&&(c=n.DEPTH_BUFFER_BIT),n.blitFramebuffer(g,m,h,p,f,y,h,p,c,n.NEAREST),a.bindFramebuffer(n.READ_FRAMEBUFFER,null),a.bindFramebuffer(n.DRAW_FRAMEBUFFER,null)}else e.isDataTexture?n.texSubImage2D(n.TEXTURE_2D,i,f,y,h,p,c,d,N.data):e.isCompressedTexture?n.compressedTexSubImage2D(n.TEXTURE_2D,i,f,y,N.width,N.height,c,N.data):n.texSubImage2D(n.TEXTURE_2D,i,f,y,h,p,c,d,N);n.pixelStorei(n.UNPACK_ROW_LENGTH,x),n.pixelStorei(n.UNPACK_IMAGE_HEIGHT,b),n.pixelStorei(n.UNPACK_SKIP_PIXELS,T),n.pixelStorei(n.UNPACK_SKIP_ROWS,_),n.pixelStorei(n.UNPACK_SKIP_IMAGES,v),0===i&&t.generateMipmaps&&n.generateMipmap(n.TEXTURE_2D),a.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:o,y:a,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==o||0!==a;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-a-l;s.blitFramebuffer(o,p,o+u,p+l,o,p,o+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,o,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,o,c-l-a,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t){const{gl:r}=this,s=t.renderTarget,{samples:i,depthTexture:n,depthBuffer:o,stencilBuffer:a,width:u,height:l}=s;if(r.bindRenderbuffer(r.RENDERBUFFER,e),o&&!a){let t=r.DEPTH_COMPONENT24;i>0?(n&&n.isDepthTexture&&n.type===r.FLOAT&&(t=r.DEPTH_COMPONENT32F),r.renderbufferStorageMultisample(r.RENDERBUFFER,i,t,u,l)):r.renderbufferStorage(r.RENDERBUFFER,t,u,l),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,e)}else o&&a&&(i>0?r.renderbufferStorageMultisample(r.RENDERBUFFER,i,r.DEPTH24_STENCIL8,u,l):r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_STENCIL,u,l),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_STENCIL_ATTACHMENT,r.RENDERBUFFER,e))}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:o,gl:a}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=a.createFramebuffer();a.bindFramebuffer(a.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?a.TEXTURE_CUBE_MAP_POSITIVE_X+n:a.TEXTURE_2D;a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=a.createBuffer();a.bindBuffer(a.PIXEL_PACK_BUFFER,m),a.bufferData(a.PIXEL_PACK_BUFFER,g,a.STREAM_READ),a.readPixels(t,r,s,i,l,d,0),a.bindBuffer(a.PIXEL_PACK_BUFFER,null),await o.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return a.bindBuffer(a.PIXEL_PACK_BUFFER,m),a.getBufferSubData(a.PIXEL_PACK_BUFFER,0,f),a.bindBuffer(a.PIXEL_PACK_BUFFER,null),a.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}}class xv{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class bv{constructor(e){this.backend=e,this.maxAnisotropy=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}const Tv={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBKIT_WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-bc",EXT_texture_compression_bptc:"texture-compression-bptc",EXT_disjoint_timer_query_webgl2:"timestamp-query"};class _v{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:o,index:a}=this;0!==a?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),o.update(i,t,s,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:o,object:a,info:u}=this;0!==r&&(0!==o?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(a,t,i,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:o}=this;if(0===r)return;const a=s.get("WEBGL_multi_draw");if(null===a)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?a.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):a.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];o.update(n,s,i,1)}}renderMultiDrawInstances(e,t,r,s){const{extensions:i,mode:n,object:o,info:a}=this;if(0===r)return;const u=i.get("WEBGL_multi_draw");if(null===u)for(let i=0;i<r;i++)this.renderInstances(e[i],t[i],s[i]);else{0!==this.index?u.multiDrawElementsInstancedWEBGL(n,t,0,this.type,e,0,s,0,r):u.multiDrawArraysInstancedWEBGL(n,e,0,t,0,s,0,r);let i=0;for(let e=0;e<r;e++)i+=t[e]*s[e];a.update(o,i,n,1)}}}class vv{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.pendingResolve=!1}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class Nv extends vv{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return console.warn("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e.id,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e.id);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){console.error("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e.id);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){console.error("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=[];for(const[t,r]of this.queryStates)if("ended"===r){const r=this.queries[t];e.push(this.resolveQuery(r))}if(0===e.length)return this.lastValue;const t=(await Promise.all(e)).reduce(((e,t)=>e+t),0);return this.lastValue=t,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,t}catch(e){return console.error("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise((t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){console.error("Error checking query:",e),t(this.lastValue)}};n()}))}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class Sv extends nv{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this.trackTimestamp=!0===e.trackTimestamp,this._currentContext=null,this._knownBindings=new WeakSet,this._xrFamebuffer=null}init(e){super.init(e);const t=this.parameters,r=void 0!==t.context?t.context:e.domElement.getContext("webgl2");function s(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=s,e.domElement.addEventListener("webglcontextlost",s,!1),this.gl=r,this.extensions=new xv(this),this.capabilities=new bv(this),this.attributeUtils=new dv(this),this.textureUtils=new yv(this),this.bufferRenderer=new _v(this),this.state=new cv(this),this.utils=new hv(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile")}get coordinateSystem(){return l}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}async waitForGPU(){await this.utils._clientWaitAsync()}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFamebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),e.autoAllocateDepthBuffer=!1}}initTimestampQuery(e){if(!this.disjoint||!this.trackTimestamp)return;const t=e.isComputeNode?"compute":"render";this.timestampQueryPool[t]||(this.timestampQueryPool[t]=new Nv(this.gl,t,2048));const r=this.timestampQueryPool[t];null!==r.allocateQueriesForContext(e)&&r.beginQuery(e)}prepareTimestampBuffer(e){if(!this.disjoint||!this.trackTimestamp)return;const t=e.isComputeNode?"compute":"render";this.timestampQueryPool[t].endQuery(e)}getContext(){return this.gl}beginRender(e){const{state:t,gl:r}=this,s=this.get(e);if(this.initTimestampQuery(e),s.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1),e.viewport?this.updateViewport(e):t.viewport(0,0,r.drawingBufferWidth,r.drawingBufferHeight),e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}const i=e.occlusionQueryCount;i>0&&(s.currentOcclusionQueries=s.occlusionQueries,s.currentOcclusionQueryObjects=s.occlusionQueryObjects,s.lastOcclusionObject=null,s.occlusionQueries=new Array(i),s.occlusionQueryObjects=new Array(i),s.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext,n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const o=e.textures;if(null!==o)for(let e=0;e<o.length;e++){const t=o[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,null!==e.textures&&e.renderTarget){const s=this.get(e.renderTarget),{samples:i}=e.renderTarget;if(i>0){const i=s.framebuffers[e.getCacheKey()],n=t.COLOR_BUFFER_BIT,o=s.msaaFrameBuffer,a=e.textures;r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,i);for(let r=0;r<a.length;r++)if(e.scissor){const{x:r,y:i,width:o,height:a}=e.scissorValue,u=e.height-a-i;t.blitFramebuffer(r,u,r+o,u+a,r,u,r+o,u+a,n,t.NEAREST),t.invalidateSubFramebuffer(t.READ_FRAMEBUFFER,s.invalidationArray,r,u,o,a)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,n,t.NEAREST),t.invalidateFramebuffer(t.READ_FRAMEBUFFER,s.invalidationArray)}}null!==i&&(this._setFramebuffer(i),i.viewport?this.updateViewport(i):r.viewport(0,0,t.drawingBufferWidth,t.drawingBufferHeight)),this.prepareTimestampBuffer(e)}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let o=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),o++))}o<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}clear(e,t,r,s=null,i=!0){const{gl:n}=this;if(null===s){const e=this.getClearColor();e.r*=e.a,e.g*=e.a,e.b*=e.a,s={textures:null,clearColorValue:e}}let o=0;if(e&&(o|=n.COLOR_BUFFER_BIT),t&&(o|=n.DEPTH_BUFFER_BIT),r&&(o|=n.STENCIL_BUFFER_BIT),0!==o){let a;if(s.clearColorValue?a=s.clearColorValue:(a=this.getClearColor(),a.r*=a.a,a.g*=a.a,a.b*=a.a),t&&this.state.setDepthMask(!0),null===s.textures)n.clearColor(a.r,a.g,a.b,a.a),n.clear(o);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)n.clearBufferfv(n.COLOR,e,[a.r,a.g,a.b,a.a]);t&&r?n.clearBufferfi(n.DEPTH_STENCIL,0,1,0):t?n.clearBufferfv(n.DEPTH,0,[1]):r&&n.clearBufferiv(n.STENCIL,0,[0])}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(e)}compute(e,t,r,s){const{state:i,gl:n}=this;!1===this.discard&&(n.enable(n.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:a,attributes:u}=this.get(s),l=this._getVaoKey(null,u),d=this.vaoCache[l];void 0===d?this._createVao(null,u):n.bindVertexArray(d),i.useProgram(o),this._bindUniforms(r);const c=this._getTransformFeedback(a);n.bindTransformFeedback(n.TRANSFORM_FEEDBACK,c),n.beginTransformFeedback(n.POINTS),u[0].isStorageInstancedBufferAttribute?n.drawArraysInstanced(n.POINTS,0,1,t.count):n.drawArrays(n.POINTS,0,t.count),n.endTransformFeedback(),n.bindTransformFeedback(n.TRANSFORM_FEEDBACK,null);for(let e=0;e<a.length;e++){const t=a[e];t.pbo&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const t=this.gl;this.discard=!1,t.disable(t.RASTERIZER_DISCARD),this.prepareTimestampBuffer(e),this._currentContext&&this._setFramebuffer(this._currentContext)}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:o}=this.get(r),{gl:a,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),u.useProgram(o);const h=this.get(e);let p=h.staticVao;if(void 0===p||h.geometryId!==e.geometry.id){const t=this._getVaoKey(e.getIndex(),e.getAttributes());if(p=this.vaoCache[t],void 0===p){let t;({vaoGPU:p,staticVao:t}=this._createVao(e.getIndex(),e.getAttributes())),t&&(h.staticVao=p,h.geometryId=e.geometry.id)}}a.bindVertexArray(p);const g=e.getIndex(),m=l.lastOcclusionObject;if(m!==t&&void 0!==m){if(null!==m&&!0===m.occlusionTest&&(a.endQuery(a.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=a.createQuery();a.beginQuery(a.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const f=this.bufferRenderer;t.isPoints?f.mode=a.POINTS:t.isLineSegments?f.mode=a.LINES:t.isLine?f.mode=a.LINE_STRIP:t.isLineLoop?f.mode=a.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),f.mode=a.LINES):f.mode=a.TRIANGLES;const{vertexCount:y,instanceCount:x}=d;let{firstVertex:b}=d;if(f.object=t,null!==g){b*=g.array.BYTES_PER_ELEMENT;const e=this.get(g);f.index=g.count,f.type=e.type}else f.index=0;const T=()=>{t.isBatchedMesh?null!==t._multiDrawInstances?f.renderMultiDrawInstances(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount,t._multiDrawInstances):this.hasFeature("WEBGL_multi_draw")?f.renderMultiDraw(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount):st("THREE.WebGLRenderer: WEBGL_multi_draw not supported."):x>1?f.renderInstances(b,y,x):f.render(b,y)};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=a.createBuffer();e[0]=r,a.bindBuffer(a.UNIFORM_BUFFER,s),a.bufferData(a.UNIFORM_BUFFER,e,a.STATIC_DRAW),t.push(s)}r.indexesGPU=t}const n=this.get(i),o=this.renderer.getPixelRatio();for(let i=0,l=s.length;i<l;i++){const l=s[i];if(t.layers.test(l.layers)){const t=l.viewport,s=t.x*o,d=t.y*o,c=t.width*o,h=t.height*o;u.viewport(Math.floor(s),Math.floor(e.context.height-h-d),Math.floor(c),Math.floor(h)),u.bindBufferBase(a.UNIFORM_BUFFER,n.index,r.indexesGPU[i]),T()}}}else T();a.bindVertexArray(null)}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e){this.textureUtils.destroyTexture(e)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}createSampler(){}destroySampler(){}createNodeBuilder(e,t){return new rv(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,o=r.createProgram(),a=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(o,a),r.attachShader(o,u),r.linkProgram(o),this.set(s,{programGPU:o,fragmentShader:a,vertexShader:u}),null!==t&&this.parallel){const i=new Promise((t=>{const i=this.parallel,n=()=>{r.getProgramParameter(o,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()}));t.push(i)}else this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=e.getShaderInfoLog(t).trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=s.getProgramInfoLog(e).trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),o=this._getShaderErrors(s,t,"fragment");console.error("THREE.WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+o)}else""!==i&&console.warn("THREE.WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:o,vertexShader:a}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,o,a),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,o=s.createProgram(),a=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(o,a),s.attachShader(o,u),s.transformFeedbackVaryings(o,d,s.SEPARATE_ATTRIBS),s.linkProgram(o),!1===s.getProgramParameter(o,s.LINK_STATUS)&&this._logProgramError(o,a,u),r.useProgram(o),this._setupBindings(t,o);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:o,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this,r=this.get(e);let s=r.uniformBuffers,i=r.textures;for(const r of e.bindings)if(r.isUniformsGroup||r.isUniformBuffer){const e=r.buffer,i=t.createBuffer();t.bindBuffer(t.UNIFORM_BUFFER,i),t.bufferData(t.UNIFORM_BUFFER,e,t.DYNAMIC_DRAW),this.set(r,{index:s++,bufferGPU:i})}else if(r.isSampledTexture){const{textureGPU:e,glTextureType:t}=this.get(r.texture);this.set(r,{index:i++,textureGPU:e,glTextureType:t})}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer;t.bindBuffer(t.UNIFORM_BUFFER,r),t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW)}}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(Tv).filter((t=>Tv[t]===e)),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}getMaxAnisotropy(){return this.capabilities.getMaxAnisotropy()}copyTextureToTexture(e,t,r=null,s=null,i=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:o,depthBuffer:a,stencilBuffer:u}=i,l=!0===i.isWebGLCubeRenderTarget,d=!0===i.isRenderTarget3D,c=!0===i.isRenderTargetArray,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i.hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=ym(e);let y;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),y=n.cubeFramebuffers[f]):h&&!1===p?y=this._xrFamebuffer:(n.framebuffers||(n.framebuffers={}),y=n.framebuffers[f]),void 0===y){y=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,y);const s=e.textures;if(l){n.cubeFramebuffers[f]=y;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,0)}else{n.framebuffers[f]=y;for(let r=0;r<s.length;r++){const i=s[r],n=this.get(i);n.renderTarget=e.renderTarget,n.cacheKey=f;const o=t.COLOR_ATTACHMENT0+r;if(d||c){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,o,n.textureGPU,0,e)}else t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,n.textureGPU,0)}r.drawBuffers(e,y)}if(null!==e.depthTexture){const r=this.get(e.depthTexture),s=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;r.renderTarget=e.renderTarget,r.cacheKey=f,t.framebufferTexture2D(t.FRAMEBUFFER,s,t.TEXTURE_2D,r.textureGPU,0)}}else if(h&&p){r.bindFramebuffer(t.FRAMEBUFFER,y);const s=this.get(e.textures[0]);if(t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0),null!==e.depthTexture){const r=this.get(e.depthTexture),s=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTexture2D(t.FRAMEBUFFER,s,t.TEXTURE_2D,r.textureGPU,0)}}if(o>0){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){if(i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r),a){const e=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(e)}const n=e.textures[r],l=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,o,l.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=y}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e,t){let r="";if(null!==e){r+=":"+this.get(e).id}for(let e=0;e<t.length;e++){r+=":"+this.get(t[e]).id}return r}_createVao(e,t){const{gl:r}=this,s=r.createVertexArray();let i="",n=!0;if(r.bindVertexArray(s),null!==e){const t=this.get(e);r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t.bufferGPU),i+=":"+t.id}for(let e=0;e<t.length;e++){const s=t[e],o=this.get(s);let a,u;i+=":"+o.id,r.bindBuffer(r.ARRAY_BUFFER,o.bufferGPU),r.enableVertexAttribArray(e),(s.isStorageBufferAttribute||s.isStorageInstancedBufferAttribute)&&(n=!1),!0===s.isInterleavedBufferAttribute?(a=s.data.stride*o.bytesPerElement,u=s.offset*o.bytesPerElement):(a=0,u=0),o.isInteger?r.vertexAttribIPointer(e,s.itemSize,o.type,a,u):r.vertexAttribPointer(e,s.itemSize,o.type,s.normalized,a,u),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?r.vertexAttribDivisor(e,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&r.vertexAttribDivisor(e,s.data.meshPerAttribute)}return r.bindBuffer(r.ARRAY_BUFFER,null),this.vaoCache[i]=s,{vaoGPU:s,staticVao:n}}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;for(const s of e)for(const e of s.bindings){const s=this.get(e).index;if(e.isUniformsGroup||e.isUniformBuffer){const i=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,i,s)}else if(e.isSampledTexture){const i=r.getUniformLocation(t,e.name);r.uniform1i(i,s)}}}_bindUniforms(e){const{gl:t,state:r}=this;for(const s of e)for(const e of s.bindings){const s=this.get(e),i=s.index;e.isUniformsGroup||e.isUniformBuffer?r.bindBufferBase(t.UNIFORM_BUFFER,i,s.bufferGPU):e.isSampledTexture&&r.bindTexture(s.glTextureType,s.textureGPU,t.TEXTURE0+i)}}dispose(){const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const Av="point-list",Rv="line-list",Cv="line-strip",Ev="triangle-list",wv="triangle-strip",Mv="never",Bv="less",Fv="equal",Uv="less-equal",Pv="greater",Iv="not-equal",Lv="greater-equal",Dv="always",Vv="store",Ov="load",Gv="clear",kv="ccw",zv="none",$v="front",Wv="back",Hv="uint16",jv="uint32",qv={R8Unorm:"r8unorm",R8Snorm:"r8snorm",R8Uint:"r8uint",R8Sint:"r8sint",R16Uint:"r16uint",R16Sint:"r16sint",R16Float:"r16float",RG8Unorm:"rg8unorm",RG8Snorm:"rg8snorm",RG8Uint:"rg8uint",RG8Sint:"rg8sint",R32Uint:"r32uint",R32Sint:"r32sint",R32Float:"r32float",RG16Uint:"rg16uint",RG16Sint:"rg16sint",RG16Float:"rg16float",RGBA8Unorm:"rgba8unorm",RGBA8UnormSRGB:"rgba8unorm-srgb",RGBA8Snorm:"rgba8snorm",RGBA8Uint:"rgba8uint",RGBA8Sint:"rgba8sint",BGRA8Unorm:"bgra8unorm",BGRA8UnormSRGB:"bgra8unorm-srgb",RGB9E5UFloat:"rgb9e5ufloat",RGB10A2Unorm:"rgb10a2unorm",RG11B10uFloat:"rgb10a2unorm",RG32Uint:"rg32uint",RG32Sint:"rg32sint",RG32Float:"rg32float",RGBA16Uint:"rgba16uint",RGBA16Sint:"rgba16sint",RGBA16Float:"rgba16float",RGBA32Uint:"rgba32uint",RGBA32Sint:"rgba32sint",RGBA32Float:"rgba32float",Stencil8:"stencil8",Depth16Unorm:"depth16unorm",Depth24Plus:"depth24plus",Depth24PlusStencil8:"depth24plus-stencil8",Depth32Float:"depth32float",Depth32FloatStencil8:"depth32float-stencil8",BC1RGBAUnorm:"bc1-rgba-unorm",BC1RGBAUnormSRGB:"bc1-rgba-unorm-srgb",BC2RGBAUnorm:"bc2-rgba-unorm",BC2RGBAUnormSRGB:"bc2-rgba-unorm-srgb",BC3RGBAUnorm:"bc3-rgba-unorm",BC3RGBAUnormSRGB:"bc3-rgba-unorm-srgb",BC4RUnorm:"bc4-r-unorm",BC4RSnorm:"bc4-r-snorm",BC5RGUnorm:"bc5-rg-unorm",BC5RGSnorm:"bc5-rg-snorm",BC6HRGBUFloat:"bc6h-rgb-ufloat",BC6HRGBFloat:"bc6h-rgb-float",BC7RGBAUnorm:"bc7-rgba-unorm",BC7RGBAUnormSRGB:"bc7-rgba-srgb",ETC2RGB8Unorm:"etc2-rgb8unorm",ETC2RGB8UnormSRGB:"etc2-rgb8unorm-srgb",ETC2RGB8A1Unorm:"etc2-rgb8a1unorm",ETC2RGB8A1UnormSRGB:"etc2-rgb8a1unorm-srgb",ETC2RGBA8Unorm:"etc2-rgba8unorm",ETC2RGBA8UnormSRGB:"etc2-rgba8unorm-srgb",EACR11Unorm:"eac-r11unorm",EACR11Snorm:"eac-r11snorm",EACRG11Unorm:"eac-rg11unorm",EACRG11Snorm:"eac-rg11snorm",ASTC4x4Unorm:"astc-4x4-unorm",ASTC4x4UnormSRGB:"astc-4x4-unorm-srgb",ASTC5x4Unorm:"astc-5x4-unorm",ASTC5x4UnormSRGB:"astc-5x4-unorm-srgb",ASTC5x5Unorm:"astc-5x5-unorm",ASTC5x5UnormSRGB:"astc-5x5-unorm-srgb",ASTC6x5Unorm:"astc-6x5-unorm",ASTC6x5UnormSRGB:"astc-6x5-unorm-srgb",ASTC6x6Unorm:"astc-6x6-unorm",ASTC6x6UnormSRGB:"astc-6x6-unorm-srgb",ASTC8x5Unorm:"astc-8x5-unorm",ASTC8x5UnormSRGB:"astc-8x5-unorm-srgb",ASTC8x6Unorm:"astc-8x6-unorm",ASTC8x6UnormSRGB:"astc-8x6-unorm-srgb",ASTC8x8Unorm:"astc-8x8-unorm",ASTC8x8UnormSRGB:"astc-8x8-unorm-srgb",ASTC10x5Unorm:"astc-10x5-unorm",ASTC10x5UnormSRGB:"astc-10x5-unorm-srgb",ASTC10x6Unorm:"astc-10x6-unorm",ASTC10x6UnormSRGB:"astc-10x6-unorm-srgb",ASTC10x8Unorm:"astc-10x8-unorm",ASTC10x8UnormSRGB:"astc-10x8-unorm-srgb",ASTC10x10Unorm:"astc-10x10-unorm",ASTC10x10UnormSRGB:"astc-10x10-unorm-srgb",ASTC12x10Unorm:"astc-12x10-unorm",ASTC12x10UnormSRGB:"astc-12x10-unorm-srgb",ASTC12x12Unorm:"astc-12x12-unorm",ASTC12x12UnormSRGB:"astc-12x12-unorm-srgb"},Xv="clamp-to-edge",Kv="repeat",Yv="mirror-repeat",Qv="linear",Zv="nearest",Jv="zero",eN="one",tN="src",rN="one-minus-src",sN="src-alpha",iN="one-minus-src-alpha",nN="dst",oN="one-minus-dst",aN="dst-alpha",uN="one-minus-dst-alpha",lN="src-alpha-saturated",dN="constant",cN="one-minus-constant",hN="add",pN="subtract",gN="reverse-subtract",mN="min",fN="max",yN=0,xN=15,bN="keep",TN="zero",_N="replace",vN="invert",NN="increment-clamp",SN="decrement-clamp",AN="increment-wrap",RN="decrement-wrap",CN="storage",EN="read-only-storage",wN="write-only",MN="read-only",BN="read-write",FN="float",UN="unfilterable-float",PN="depth",IN="sint",LN="uint",DN="2d",VN="3d",ON="2d",GN="2d-array",kN="cube",zN="3d",$N="all",WN="vertex",HN="instance",jN={DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups"};class qN extends O_{constructor(e,t){super(e),this.texture=t,this.version=t?t.version:0,this.isSampler=!0}}class XN extends qN{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){this.texture=this.textureNode.value}}class KN extends G_{constructor(e,t){super(e,t?t.array:null),this.attribute=t,this.isStorageBuffer=!0}}let YN=0;class QN extends KN{constructor(e,t){super("StorageBuffer_"+YN++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:Fs.READ_WRITE,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class ZN extends Hg{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:Qv}),this.flipYSampler=e.createSampler({minFilter:Zv}),this.transferPipelines={},this.flipYPipelines={},this.mipmapVertexShaderModule=e.createShaderModule({label:"mipmapVertex",code:"\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4<f32>,\n\t@location( 0 ) vTex : vec2<f32>\n};\n\n@vertex\nfn main( @builtin( vertex_index ) vertexIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array< vec2<f32>, 4 >(\n\t\tvec2<f32>( -1.0, 1.0 ),\n\t\tvec2<f32>( 1.0, 1.0 ),\n\t\tvec2<f32>( -1.0, -1.0 ),\n\t\tvec2<f32>( 1.0, -1.0 )\n\t);\n\n\tvar tex = array< vec2<f32>, 4 >(\n\t\tvec2<f32>( 0.0, 0.0 ),\n\t\tvec2<f32>( 1.0, 0.0 ),\n\t\tvec2<f32>( 0.0, 1.0 ),\n\t\tvec2<f32>( 1.0, 1.0 )\n\t);\n\n\tVarys.vTex = tex[ vertexIndex ];\n\tVarys.Position = vec4<f32>( pos[ vertexIndex ], 0.0, 1.0 );\n\n\treturn Varys;\n\n}\n"}),this.mipmapFragmentShaderModule=e.createShaderModule({label:"mipmapFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d<f32>;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img, imgSampler, vTex );\n\n}\n"}),this.flipYFragmentShaderModule=e.createShaderModule({label:"flipYFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d<f32>;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img, imgSampler, vec2( vTex.x, 1.0 - vTex.y ) );\n\n}\n"})}getTransferPipeline(e){let t=this.transferPipelines[e];return void 0===t&&(t=this.device.createRenderPipeline({label:`mipmap-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.mipmapFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:wv,stripIndexFormat:jv},layout:"auto"}),this.transferPipelines[e]=t),t}getFlipYPipeline(e){let t=this.flipYPipelines[e];return void 0===t&&(t=this.device.createRenderPipeline({label:`flipY-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.flipYFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:wv,stripIndexFormat:jv},layout:"auto"}),this.flipYPipelines[e]=t),t}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size,o=this.getTransferPipeline(s),a=this.getFlipYPipeline(s),u=this.device.createTexture({size:{width:i,height:n,depthOrArrayLayers:1},format:s,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),l=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:ON,baseArrayLayer:r}),d=u.createView({baseMipLevel:0,mipLevelCount:1,dimension:ON,baseArrayLayer:0}),c=this.device.createCommandEncoder({}),h=(e,t,r)=>{const s=e.getBindGroupLayout(0),i=this.device.createBindGroup({layout:s,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:t}]}),n=c.beginRenderPass({colorAttachments:[{view:r,loadOp:Gv,storeOp:Vv,clearValue:[0,0,0,0]}]});n.setPipeline(e),n.setBindGroup(0,i),n.draw(4,1,0,0),n.end()};h(o,l,d),h(a,d,l),this.device.queue.submit([c.finish()]),u.destroy()}generateMipmaps(e,t,r=0){const s=this.get(e);void 0===s.useCount&&(s.useCount=0,s.layers=[]);const i=s.layers[r]||this._mipmapCreateBundles(e,t,r),n=this.device.createCommandEncoder({});this._mipmapRunBundles(n,i),this.device.queue.submit([n.finish()]),0!==s.useCount&&(s.layers[r]=i),s.useCount++}_mipmapCreateBundles(e,t,r){const s=this.getTransferPipeline(t.format),i=s.getBindGroupLayout(0);let n=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:ON,baseArrayLayer:r});const o=[];for(let a=1;a<t.mipLevelCount;a++){const u=this.device.createBindGroup({layout:i,entries:[{binding:0,resource:this.mipmapSampler},{binding:1,resource:n}]}),l=e.createView({baseMipLevel:a,mipLevelCount:1,dimension:ON,baseArrayLayer:r}),d={colorAttachments:[{view:l,loadOp:Gv,storeOp:Vv,clearValue:[0,0,0,0]}]},c=this.device.createRenderBundleEncoder({colorFormats:[t.format]});c.setPipeline(s),c.setBindGroup(0,u),c.draw(4,1,0,0),o.push({renderBundles:[c.finish()],passDescriptor:d}),n=l}return o}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}const JN={[_r]:"never",[Ee]:"less",[Sr]:"equal",[Nr]:"less-equal",[Rr]:"greater",[Ar]:"greater-equal",[vr]:"always",[Cr]:"not-equal"},eS=[0,1,3,2,4,5];class tS{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this.colorBuffer=null,this.depthTexture=new F,this.depthTexture.name="depthBuffer"}createSampler(e){const t=this.backend,r=t.device,s=t.get(e),i={addressModeU:this._convertAddressMode(e.wrapS),addressModeV:this._convertAddressMode(e.wrapT),addressModeW:this._convertAddressMode(e.wrapR),magFilter:this._convertFilterMode(e.magFilter),minFilter:this._convertFilterMode(e.minFilter),mipmapFilter:this._convertFilterMode(e.minFilter),maxAnisotropy:1};i.magFilter===Qv&&i.minFilter===Qv&&i.mipmapFilter===Qv&&(i.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&(i.compare=JN[e.compareFunction]),s.sampler=r.createSampler(i)}createDefaultTexture(e){let t;const r=rS(e);e.isCubeTexture?t=this._getDefaultCubeTextureGPU(r):e.isVideoTexture?this.backend.get(e).externalTexture=this._getDefaultVideoFrame():t=this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized)throw new Error("WebGPUTextureUtils: Texture already initialized.");void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:o,levels:a}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||rS(e,r.device);s.format=l;const{samples:d,primarySamples:c,isMSAA:h}=r.utils.getTextureSampleData(e);let p=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(p|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&(p|=GPUTextureUsage.RENDER_ATTACHMENT);const g={label:e.name,size:{width:i,height:n,depthOrArrayLayers:o},mipLevelCount:a,sampleCount:c,dimension:u,format:l,usage:p};if(e.isVideoTexture){const t=e.source.data,r=new VideoFrame(t);g.size.width=r.displayWidth,g.size.height=r.displayHeight,r.close(),s.externalTexture=t}else{if(void 0===l)return console.warn("WebGPURenderer: Texture format not supported."),this.createDefaultTexture(e);s.texture=r.device.createTexture(g)}if(h){const e=Object.assign({},g);e.label=e.label+"-msaa",e.sampleCount=d,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=g}destroyTexture(e){const t=this.backend,r=t.get(e);void 0!==r.texture&&r.texture.destroy(),void 0!==r.msaaTexture&&r.msaaTexture.destroy(),t.delete(e)}destroySampler(e){delete this.backend.get(e).sampler}generateMipmaps(e){const t=this.backend.get(e);if(e.isCubeTexture)for(let e=0;e<6;e++)this._generateMipmaps(t.texture,t.textureDescriptorGPU,e);else{const r=e.image.depth||1;for(let e=0;e<r;e++)this._generateMipmaps(t.texture,t.textureDescriptorGPU,e)}}getColorBuffer(){this.colorBuffer&&this.colorBuffer.destroy();const e=this.backend,{width:t,height:r}=e.getDrawingBufferSize();return this.colorBuffer=e.device.createTexture({label:"colorBuffer",size:{width:t,height:r,depthOrArrayLayers:1},sampleCount:e.utils.getSampleCount(e.renderer.samples),format:e.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),this.colorBuffer}getDepthBuffer(e=!0,t=!1){const r=this.backend,{width:s,height:i}=r.getDrawingBufferSize(),n=this.depthTexture,o=r.get(n).texture;let a,u;if(t?(a=he,u=ge):e&&(a=pe,u=b),void 0!==o){if(n.image.width===s&&n.image.height===i&&n.format===a&&n.type===u)return o;this.destroyTexture(n)}return n.name="depthBuffer",n.format=a,n.type=u,n.image.width=s,n.image.height=i,this.createTexture(n,{width:s,height:i}),r.get(n).texture}updateTexture(e,t){const r=this.backend.get(e),{textureDescriptorGPU:s}=r;if(!e.isRenderTargetTexture&&void 0!==s){if(e.isDataTexture)this._copyBufferToTexture(t.image,r.texture,s,0,e.flipY);else if(e.isDataArrayTexture||e.isData3DTexture)for(let i=0;i<t.image.depth;i++)this._copyBufferToTexture(t.image,r.texture,s,i,e.flipY,i);else if(e.isCompressedTexture||e.isCompressedArrayTexture)this._copyCompressedBufferToTexture(e.mipmaps,r.texture,s);else if(e.isCubeTexture)this._copyCubeMapToTexture(t.images,r.texture,s,e.flipY);else if(e.isVideoTexture){const t=e.source.data;r.externalTexture=t}else this._copyImageToTexture(t.image,r.texture,s,0,e.flipY);r.version=e.version,e.onUpdate&&e.onUpdate(e)}}async copyTextureToBuffer(e,t,r,s,i,n){const o=this.backend.device,a=this.backend.get(e),u=a.texture,l=a.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256);const h=o.createBuffer({size:s*i*d,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),p=o.createCommandEncoder();p.copyTextureToBuffer({texture:u,origin:{x:t,y:r,z:n}},{buffer:h,bytesPerRow:c},{width:s,height:i});const g=this._getTypedArrayType(l);o.queue.submit([p.finish()]),await h.mapAsync(GPUMapMode.READ);return new g(h.getMappedRange())}_isEnvironmentTexture(e){const t=e.mapping;return t===j||t===q||t===v||t===N}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new ee;r.minFilter=br,r.magFilter=br,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new H;r.minFilter=br,r.magFilter=br,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultVideoFrame(){let e=this.defaultVideoFrame;if(null===e){const t={timestamp:0,codedWidth:1,codedHeight:1,format:"RGBA"};this.defaultVideoFrame=e=new VideoFrame(new Uint8Array([0,0,0,255]),t)}return e}_copyCubeMapToTexture(e,t,r,s){for(let i=0;i<6;i++){const n=e[i],o=!0===s?eS[i]:i;n.isDataTexture?this._copyBufferToTexture(n.image,t,r,o,s):this._copyImageToTexture(n,t,r,o,s)}}_copyImageToTexture(e,t,r,s,i){this.backend.device.queue.copyExternalImageToTexture({source:e,flipY:i},{texture:t,mipLevel:0,origin:{x:0,y:0,z:s}},{width:e.width,height:e.height,depthOrArrayLayers:1})}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new ZN(this.backend.device)),e}_generateMipmaps(e,t,r=0){this._getPassUtils().generateMipmaps(e,t,r)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0){const o=this.backend.device,a=e.data,u=this._getBytesPerTexel(r.format),l=e.width*u;o.queue.writeTexture({texture:t,mipLevel:0,origin:{x:0,y:0,z:s}},a,{offset:e.width*e.height*u*n,bytesPerRow:l},{width:e.width,height:e.height,depthOrArrayLayers:1}),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r){const s=this.backend.device,i=this._getBlockData(r.format),n=r.size.depthOrArrayLayers>1;for(let o=0;o<e.length;o++){const a=e[o],u=a.width,l=a.height,d=n?r.size.depthOrArrayLayers:1,c=Math.ceil(u/i.width)*i.byteLength,h=c*Math.ceil(l/i.height);for(let e=0;e<d;e++)s.queue.writeTexture({texture:t,mipLevel:o,origin:{x:0,y:0,z:e}},a.data,{offset:e*h,bytesPerRow:c,rowsPerImage:Math.ceil(l/i.height)},{width:Math.ceil(u/i.width)*i.width,height:Math.ceil(l/i.height)*i.height,depthOrArrayLayers:1})}}_getBlockData(e){return e===qv.BC1RGBAUnorm||e===qv.BC1RGBAUnormSRGB?{byteLength:8,width:4,height:4}:e===qv.BC2RGBAUnorm||e===qv.BC2RGBAUnormSRGB||e===qv.BC3RGBAUnorm||e===qv.BC3RGBAUnormSRGB?{byteLength:16,width:4,height:4}:e===qv.BC4RUnorm||e===qv.BC4RSNorm?{byteLength:8,width:4,height:4}:e===qv.BC5RGUnorm||e===qv.BC5RGSnorm||e===qv.BC6HRGBUFloat||e===qv.BC6HRGBFloat||e===qv.BC7RGBAUnorm||e===qv.BC7RGBAUnormSRGB?{byteLength:16,width:4,height:4}:e===qv.ETC2RGB8Unorm||e===qv.ETC2RGB8UnormSRGB||e===qv.ETC2RGB8A1Unorm||e===qv.ETC2RGB8A1UnormSRGB?{byteLength:8,width:4,height:4}:e===qv.ETC2RGBA8Unorm||e===qv.ETC2RGBA8UnormSRGB?{byteLength:16,width:4,height:4}:e===qv.EACR11Unorm||e===qv.EACR11Snorm?{byteLength:8,width:4,height:4}:e===qv.EACRG11Unorm||e===qv.EACRG11Snorm||e===qv.ASTC4x4Unorm||e===qv.ASTC4x4UnormSRGB?{byteLength:16,width:4,height:4}:e===qv.ASTC5x4Unorm||e===qv.ASTC5x4UnormSRGB?{byteLength:16,width:5,height:4}:e===qv.ASTC5x5Unorm||e===qv.ASTC5x5UnormSRGB?{byteLength:16,width:5,height:5}:e===qv.ASTC6x5Unorm||e===qv.ASTC6x5UnormSRGB?{byteLength:16,width:6,height:5}:e===qv.ASTC6x6Unorm||e===qv.ASTC6x6UnormSRGB?{byteLength:16,width:6,height:6}:e===qv.ASTC8x5Unorm||e===qv.ASTC8x5UnormSRGB?{byteLength:16,width:8,height:5}:e===qv.ASTC8x6Unorm||e===qv.ASTC8x6UnormSRGB?{byteLength:16,width:8,height:6}:e===qv.ASTC8x8Unorm||e===qv.ASTC8x8UnormSRGB?{byteLength:16,width:8,height:8}:e===qv.ASTC10x5Unorm||e===qv.ASTC10x5UnormSRGB?{byteLength:16,width:10,height:5}:e===qv.ASTC10x6Unorm||e===qv.ASTC10x6UnormSRGB?{byteLength:16,width:10,height:6}:e===qv.ASTC10x8Unorm||e===qv.ASTC10x8UnormSRGB?{byteLength:16,width:10,height:8}:e===qv.ASTC10x10Unorm||e===qv.ASTC10x10UnormSRGB?{byteLength:16,width:10,height:10}:e===qv.ASTC12x10Unorm||e===qv.ASTC12x10UnormSRGB?{byteLength:16,width:12,height:10}:e===qv.ASTC12x12Unorm||e===qv.ASTC12x12UnormSRGB?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=Xv;return e===fr?t=Kv:e===xr&&(t=Yv),t}_convertFilterMode(e){let t=Qv;return e!==br&&e!==Tr&&e!==De||(t=Zv),t}_getBytesPerTexel(e){return e===qv.R8Unorm||e===qv.R8Snorm||e===qv.R8Uint||e===qv.R8Sint?1:e===qv.R16Uint||e===qv.R16Sint||e===qv.R16Float||e===qv.RG8Unorm||e===qv.RG8Snorm||e===qv.RG8Uint||e===qv.RG8Sint?2:e===qv.R32Uint||e===qv.R32Sint||e===qv.R32Float||e===qv.RG16Uint||e===qv.RG16Sint||e===qv.RG16Float||e===qv.RGBA8Unorm||e===qv.RGBA8UnormSRGB||e===qv.RGBA8Snorm||e===qv.RGBA8Uint||e===qv.RGBA8Sint||e===qv.BGRA8Unorm||e===qv.BGRA8UnormSRGB||e===qv.RGB9E5UFloat||e===qv.RGB10A2Unorm||e===qv.RG11B10UFloat||e===qv.Depth32Float||e===qv.Depth24Plus||e===qv.Depth24PlusStencil8||e===qv.Depth32FloatStencil8?4:e===qv.RG32Uint||e===qv.RG32Sint||e===qv.RG32Float||e===qv.RGBA16Uint||e===qv.RGBA16Sint||e===qv.RGBA16Float?8:e===qv.RGBA32Uint||e===qv.RGBA32Sint||e===qv.RGBA32Float?16:void 0}_getTypedArrayType(e){return e===qv.R8Uint?Uint8Array:e===qv.R8Sint?Int8Array:e===qv.R8Unorm?Uint8Array:e===qv.R8Snorm?Int8Array:e===qv.RG8Uint?Uint8Array:e===qv.RG8Sint?Int8Array:e===qv.RG8Unorm?Uint8Array:e===qv.RG8Snorm?Int8Array:e===qv.RGBA8Uint?Uint8Array:e===qv.RGBA8Sint?Int8Array:e===qv.RGBA8Unorm?Uint8Array:e===qv.RGBA8Snorm?Int8Array:e===qv.R16Uint?Uint16Array:e===qv.R16Sint?Int16Array:e===qv.RG16Uint?Uint16Array:e===qv.RG16Sint?Int16Array:e===qv.RGBA16Uint?Uint16Array:e===qv.RGBA16Sint?Int16Array:e===qv.R16Float||e===qv.RG16Float||e===qv.RGBA16Float?Uint16Array:e===qv.R32Uint?Uint32Array:e===qv.R32Sint?Int32Array:e===qv.R32Float?Float32Array:e===qv.RG32Uint?Uint32Array:e===qv.RG32Sint?Int32Array:e===qv.RG32Float?Float32Array:e===qv.RGBA32Uint?Uint32Array:e===qv.RGBA32Sint?Int32Array:e===qv.RGBA32Float?Float32Array:e===qv.BGRA8Unorm||e===qv.BGRA8UnormSRGB?Uint8Array:e===qv.RGB10A2Unorm||e===qv.RGB9E5UFloat||e===qv.RG11B10UFloat?Uint32Array:e===qv.Depth32Float?Float32Array:e===qv.Depth24Plus||e===qv.Depth24PlusStencil8?Uint32Array:e===qv.Depth32FloatStencil8?Float32Array:void 0}_getDimension(e){let t;return t=e.isData3DTexture?VN:DN,t}}function rS(e,t=null){const r=e.format,s=e.type,i=e.colorSpace;let n;if(!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case kt:n=i===$e?qv.BC1RGBAUnormSRGB:qv.BC1RGBAUnorm;break;case zt:n=i===$e?qv.BC2RGBAUnormSRGB:qv.BC2RGBAUnorm;break;case $t:n=i===$e?qv.BC3RGBAUnormSRGB:qv.BC3RGBAUnorm;break;case Kt:n=i===$e?qv.ETC2RGB8UnormSRGB:qv.ETC2RGB8Unorm;break;case Yt:n=i===$e?qv.ETC2RGBA8UnormSRGB:qv.ETC2RGBA8Unorm;break;case Qt:n=i===$e?qv.ASTC4x4UnormSRGB:qv.ASTC4x4Unorm;break;case Zt:n=i===$e?qv.ASTC5x4UnormSRGB:qv.ASTC5x4Unorm;break;case Jt:n=i===$e?qv.ASTC5x5UnormSRGB:qv.ASTC5x5Unorm;break;case er:n=i===$e?qv.ASTC6x5UnormSRGB:qv.ASTC6x5Unorm;break;case tr:n=i===$e?qv.ASTC6x6UnormSRGB:qv.ASTC6x6Unorm;break;case rr:n=i===$e?qv.ASTC8x5UnormSRGB:qv.ASTC8x5Unorm;break;case sr:n=i===$e?qv.ASTC8x6UnormSRGB:qv.ASTC8x6Unorm;break;case ir:n=i===$e?qv.ASTC8x8UnormSRGB:qv.ASTC8x8Unorm;break;case nr:n=i===$e?qv.ASTC10x5UnormSRGB:qv.ASTC10x5Unorm;break;case or:n=i===$e?qv.ASTC10x6UnormSRGB:qv.ASTC10x6Unorm;break;case ar:n=i===$e?qv.ASTC10x8UnormSRGB:qv.ASTC10x8Unorm;break;case ur:n=i===$e?qv.ASTC10x10UnormSRGB:qv.ASTC10x10Unorm;break;case lr:n=i===$e?qv.ASTC12x10UnormSRGB:qv.ASTC12x10Unorm;break;case dr:n=i===$e?qv.ASTC12x12UnormSRGB:qv.ASTC12x12Unorm;break;case Ie:n=i===$e?qv.RGBA8UnormSRGB:qv.RGBA8Unorm;break;default:console.error("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case Ie:switch(s){case tt:n=qv.RGBA8Snorm;break;case rt:n=qv.RGBA16Sint;break;case et:n=qv.RGBA16Uint;break;case b:n=qv.RGBA32Uint;break;case T:n=qv.RGBA32Sint;break;case me:n=i===$e?qv.RGBA8UnormSRGB:qv.RGBA8Unorm;break;case be:n=qv.RGBA16Float;break;case w:n=qv.RGBA32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case Ze:if(s===Lt)n=qv.RGB9E5UFloat;else console.error("WebGPURenderer: Unsupported texture type with RGBFormat.",s);break;case Ke:switch(s){case tt:n=qv.R8Snorm;break;case rt:n=qv.R16Sint;break;case et:n=qv.R16Uint;break;case b:n=qv.R32Uint;break;case T:n=qv.R32Sint;break;case me:n=qv.R8Unorm;break;case be:n=qv.R16Float;break;case w:n=qv.R32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case Me:switch(s){case tt:n=qv.RG8Snorm;break;case rt:n=qv.RG16Sint;break;case et:n=qv.RG16Uint;break;case b:n=qv.RG32Uint;break;case T:n=qv.RG32Sint;break;case me:n=qv.RG8Unorm;break;case be:n=qv.RG16Float;break;case w:n=qv.RG32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case pe:switch(s){case et:n=qv.Depth16Unorm;break;case b:n=qv.Depth24Plus;break;case w:n=qv.Depth32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case he:switch(s){case ge:n=qv.Depth24PlusStencil8;break;case w:t&&!1===t.features.has(jN.Depth32FloatStencil8)&&console.error('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),n=qv.Depth32FloatStencil8;break;default:console.error("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case Xe:switch(s){case T:n=qv.R32Sint;break;case b:n=qv.R32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case Ye:switch(s){case T:n=qv.RG32Sint;break;case b:n=qv.RG32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case Je:switch(s){case T:n=qv.RGBA32Sint;break;case b:n=qv.RGBA32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:console.error("WebGPURenderer: Unsupported texture format.",r)}return n}const sS=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,iS=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,nS={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class oS extends i_{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:o}=(e=>{const t=(e=e.trim()).match(sS);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=iS.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=nS[i]),n.push(new jT(i,t))}const o=e.substring(t[0].length),a=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:nS[a]||a,inputs:n,name:u,inputsCode:r,blockCode:o,outputType:a}}throw new Error("FunctionNode: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=o}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class aS extends s_{parseFunction(e){return new oS(e)}}const uS="undefined"!=typeof self?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},lS={[Fs.READ_ONLY]:"read",[Fs.WRITE_ONLY]:"write",[Fs.READ_WRITE]:"read_write"},dS={[fr]:"repeat",[yr]:"clamp",[xr]:"mirror"},cS={vertex:uS?uS.VERTEX:1,fragment:uS?uS.FRAGMENT:2,compute:uS?uS.COMPUTE:4},hS={instance:!0,swizzleAssign:!1,storageBuffer:!0},pS={"^^":"tsl_xor"},gS={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},mS={},fS={tsl_xor:new vy("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new vy("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new vy("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new vy("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new vy("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new vy("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new vy("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new vy("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new vy("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new vy("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new vy("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new vy("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new vy("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},yS={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>"};"undefined"!=typeof navigator&&/Windows/g.test(navigator.userAgent)&&(fS.pow_float=new vy("fn tsl_pow_float( a : f32, b : f32 ) -> f32 { return select( -pow( -a, b ), pow( a, b ), a > 0.0 ); }"),fS.pow_vec2=new vy("fn tsl_pow_vec2( a : vec2f, b : vec2f ) -> vec2f { return vec2f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ) ); }",[fS.pow_float]),fS.pow_vec3=new vy("fn tsl_pow_vec3( a : vec3f, b : vec3f ) -> vec3f { return vec3f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ), tsl_pow_float( a.z, b.z ) ); }",[fS.pow_float]),fS.pow_vec4=new vy("fn tsl_pow_vec4( a : vec4f, b : vec4f ) -> vec4f { return vec4f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ), tsl_pow_float( a.z, b.z ), tsl_pow_float( a.w, b.w ) ); }",[fS.pow_float]),yS.pow_float="tsl_pow_float",yS.pow_vec2="tsl_pow_vec2",yS.pow_vec3="tsl_pow_vec3",yS.pow_vec4="tsl_pow_vec4");let xS="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(xS+="diagnostic( off, derivative_uniformity );\n");class bS extends WT{constructor(e,t){super(e,t,new aS),this.uniformGroups={},this.builtins={},this.directives={},this.scopedArrays=new Map}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==x}_generateTextureSample(e,t,r,s,i=this.shaderStage){return"fragment"===i?s?`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r):this.generateTextureLod(e,t,r,s,"0")}_generateVideoSample(e,t,r=this.shaderStage){if("fragment"===r)return`textureSampleBaseClampToEdge( ${e}, ${e}_sampler, vec2<f32>( ${t}.x, 1.0 - ${t}.y ) )`;console.error(`WebGPURenderer: THREE.VideoTexture does not support ${r} shader.`)}_generateTextureSampleLevel(e,t,r,s,i,n=this.shaderStage){return"fragment"!==n&&"compute"!==n||!1!==this.isUnfilterable(e)?this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,s):this.generateTextureLod(e,t,r,i,s):`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`}generateWrapFunction(e){const t=`tsl_coord_${dS[e.wrapS]}S_${dS[e.wrapT]}_${e.isData3DTexture?"3d":"2d"}T`;let r=mS[t];if(void 0===r){const s=[],i=e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const o=(e,t)=>{e===fr?(s.push(fS.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===yr?(s.push(fS.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===xr?(s.push(fS.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,console.warn(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};o(e.wrapS,"x"),n+=",\n",o(e.wrapT,"y"),e.isData3DTexture&&(n+=",\n",o(e.wrapR,"z")),n+="\n\t);\n\n}\n",mS[t]=r=new vy(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.globalCache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,o;const{primarySamples:a}=this.renderer.backend.utils.getTextureSampleData(e),u=a>1;o=e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isVideoTexture||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new Da(new _u(`textureDimensions( ${n} )`,o)),s.dimensionsSnippet[r]=i,(e.isDataArrayTexture||e.isData3DTexture)&&(s.arrayLayerCount=new Da(new _u(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new Da(new _u("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s="0u"){this._include("biquadraticTexture");return`tsl_biquadraticTexture( ${t}, ${this.generateWrapFunction(e)}( ${r} ), ${this.generateTextureDimension(e,t,s)}, u32( ${s} ) )`}generateTextureLod(e,t,r,s,i="0u"){const n=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,i),a=e.isData3DTexture?"vec3":"vec2",u=`${a}<u32>(${n}(${r}) * ${a}<f32>(${o}))`;return this.generateTextureLoad(e,t,u,s,i)}generateTextureLoad(e,t,r,s,i="0u"){return!0===e.isVideoTexture||!0===e.isStorageTexture?`textureLoad( ${t}, ${r} )`:s?`textureLoad( ${t}, ${r}, ${s}, u32( ${i} ) )`:`textureLoad( ${t}, ${r}, u32( ${i} ) )`}generateTextureStore(e,t,r,s){return`textureStore( ${t}, ${r}, ${s} )`}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&!0===e.isDataTexture&&e.type===w||!1===this.isSampleCompare(e)&&e.minFilter===br&&e.magFilter===br||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i=this.shaderStage){let n=null;return n=!0===e.isVideoTexture?this._generateVideoSample(t,r,i):this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,"0",i):this._generateTextureSample(e,t,r,s,i),n}generateTextureGrad(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]} )`;console.error(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${n} shader.`)}generateTextureCompare(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}generateTextureLevel(e,t,r,s,i,n=this.shaderStage){let o=null;return o=!0===e.isVideoTexture?this._generateVideoSample(t,r,n):this._generateTextureSampleLevel(e,t,r,s,i,n),o}generateTextureBias(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;console.error(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${n} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?`NodeBuffer_${e.id}.${t}`:e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}_getUniformGroupCount(e){return Object.keys(this.uniforms[e]).length}getFunctionOperator(e){const t=pS[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?Fs.READ_ONLY:e.access}getStorageAccess(e,t){return lS[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let s;const o=e.groupNode,a=o.name,u=this.getBindGroupArray(a,r);if("texture"===t||"cubeTexture"===t||"storageTexture"===t||"texture3D"===t){let n=null;const a=this.getNodeAccess(e,r);if("texture"===t||"storageTexture"===t?n=new K_(i.name,i.node,o,a):"cubeTexture"===t?n=new Y_(i.name,i.node,o,a):"texture3D"===t&&(n=new Q_(i.name,i.node,o,a)),n.store=!0===e.isStorageTextureNode,n.setVisibility(cS[r]),"fragment"!==r&&"compute"!==r||!1!==this.isUnfilterable(e.value)||!1!==n.store)u.push(n),s=[n];else{const e=new XN(`${i.name}_sampler`,i.node,o);e.setVisibility(cS[r]),u.push(e,n),s=[e,n]}}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const i=new("buffer"===t?$_:QN)(e,o);i.setVisibility(cS[r]),u.push(i),s=i}else{const e=this.uniformGroups[r]||(this.uniformGroups[r]={});let n=e[a];void 0===n&&(n=new j_(a,o),n.setVisibility(cS[r]),e[a]=n,u.push(n)),s=this.getNodeUniform(i,t),n.addUniform(s)}n.uniformGPU=s}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[],r=e.getMemberTypes();for(let e=0;e<r.length;e++){const s=r[e];t.push(`\t@location( ${e} ) m${e} : ${s}<f32>`)}const s=this.getBuiltins("output");return s&&t.push("\t"+s),t.join(",\n")}getStructs(e){const t=[],r=this.structs[e];for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name;let n=`struct ${i} {\n`;n+=this.getStructMembers(s),n+="\n}",t.push(n),t.push(`\nvar<private> output : ${i};\n\n`)}return t.join("\n\n")}getVar(e,t,r=null){let s=`var ${t} : `;return s+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),s}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`\t${this.getVar(e.type,e.name,e.count)};`);return`\n${t.join("\n")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","Vertex","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];for(let i=0;i<r.length;i++){const n=r[i];if(n.needsInterpolation){let e=`@location( ${i} )`;/^(int|uint|ivec|uvec)/.test(n.type)&&(e+=" @interpolate( flat )"),t.push(`${e} ${n.name} : ${this.getType(n.type)}`)}else"vertex"===e&&!1===s.includes(n)&&s.push(n)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}getUniforms(e){const t=this.uniforms[e],r=[],s=[],i=[],n={};for(const i of t){const t=i.groupNode.name,o=this.bindingsIndexes[t];if("texture"===i.type||"cubeTexture"===i.type||"storageTexture"===i.type||"texture3D"===i.type){const t=i.node.value;let s;"fragment"!==e&&"compute"!==e||!1!==this.isUnfilterable(t)||!0===i.node.isStorageTextureNode||(this.isSampleCompare(t)?r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name}_sampler : sampler_comparison;`):r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name}_sampler : sampler;`));let n="";const{primarySamples:a}=this.renderer.backend.utils.getTextureSampleData(t);if(a>1&&(n="_multisampled"),!0===t.isCubeTexture)s="texture_cube<f32>";else if(!0===t.isDataArrayTexture||!0===t.isCompressedArrayTexture)s="texture_2d_array<f32>";else if(!0===t.isDepthTexture)s=`texture_depth${n}_2d`;else if(!0===t.isVideoTexture)s="texture_external";else if(!0===t.isData3DTexture)s="texture_3d<f32>";else if(!0===i.node.isStorageTextureNode){s=`texture_storage_2d<${rS(t)}, ${this.getStorageAccess(i.node,e)}>`}else{s=`texture${n}_2d<${this.getComponentTypeFromTexture(t).charAt(0)}32>`}r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name} : ${s};`)}else if("buffer"===i.type||"storageBuffer"===i.type||"indirectStorageBuffer"===i.type){const t=i.node,r=this.getType(t.bufferType),n=t.bufferCount,a=n>0&&"buffer"===i.type?", "+n:"",u=t.isAtomic?`atomic<${r}>`:`${r}`,l=`\t${i.name} : array< ${u}${a} >\n`,d=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";s.push(this._getWGSLStructBinding("NodeBuffer_"+t.id,l,d,o.binding++,o.group))}else{const e=this.getType(this.getVectorType(i.type)),t=i.groupNode.name;(n[t]||(n[t]={index:o.binding++,id:o.group,snippets:[]})).snippets.push(`\t${i.name} : ${e}`)}}for(const e in n){const t=n[e];i.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}let o=r.join("\n");return o+=s.join("\n"),o+=i.join("\n"),o}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){const r=e[t];r.uniforms=this.getUniforms(t),r.attributes=this.getAttributes(t),r.varyings=this.getVaryings(t),r.structs=this.getStructs(t),r.vars=this.getVars(t),r.codes=this.getCodes(t),r.directives=this.getDirectives(t),r.scopedArrays=this.getScopedArrays(t);let s="// code\n\n";s+=this.flowCode[t];const i=this.flowNodes[t],n=i[i.length-1],o=n.outputNode,a=void 0!==o&&!0===o.isOutputStructNode;for(const e of i){const i=this.getFlowData(e),u=e.name;if(u&&(s.length>0&&(s+="\n"),s+=`\t// flow -> ${u}\n`),s+=`${i.code}\n\t`,e===n&&"compute"!==t)if(s+="// result\n\n\t","vertex"===t)s+=`varyings.Vertex = ${i.result};`;else if("fragment"===t)if(a)r.returnType=o.nodeType,s+=`return ${i.result};`;else{let e="\t@location(0) color: vec4<f32>";const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),r.returnType="OutputStruct",r.structs+=this._getWGSLStruct("OutputStruct",e),r.structs+="\nvar<private> output : OutputStruct;\n\n",s+=`output.color = ${i.result};\n\n\treturn output;`}}r.flow=s}null!==this.material?(this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment)):this.computeShader=this._getWGSLComputeCode(e.compute,(this.object.workgroupSize||[64]).join(", "))}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getType(e){return gS[e]||e}isAvailable(e){let t=hS[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),hS[e]=t),t}_getWGSLMethod(e){return void 0!==fS[e]&&this._include(e),yS[e]}_include(e){const t=fS[e];return t.build(this),null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${xS}\n\n// uniforms\n${e.uniforms}\n\n// structs\n${e.structs}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${t} )\nfn main( ${e.attributes} ) {\n\n\t// system\n\tinstanceIndex = globalId.x + globalId.y * numWorkgroups.x * u32(${t}) + globalId.z * numWorkgroups.x * numWorkgroups.y * u32(${t});\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}class TS{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return null!==e.depthTexture?t=this.getTextureFormatGPU(e.depthTexture):e.depth&&e.stencil?t=qv.Depth24PlusStencil8:e.depth&&(t=qv.Depth24Plus),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.samples}else e.renderTarget&&(t=e.renderTarget.samples);t=t||1;const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?Av:e.isLineSegments||e.isMesh&&!0===t.wireframe?Rv:e.isLine?Cv:e.isMesh?Ev:void 0}getSampleCount(e){let t=1;return e>1&&(t=Math.pow(2,Math.floor(Math.log2(e))),2===t&&(t=4)),t}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.samples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===me)return qv.BGRA8Unorm;if(e===be)return qv.RGBA16Float;throw new Error("Unsupported outputType")}}const _S=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]),vS=new Map([[Ve,["float16"]]]),NS=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class SS{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const o=s.device;let a=r.array;if(!1===e.normalized)if(a.constructor===Int16Array)a=new Int32Array(a);else if(a.constructor===Uint16Array&&(a=new Uint32Array(a),t&GPUBufferUsage.INDEX))for(let e=0;e<a.length;e++)65535===a[e]&&(a[e]=4294967295);if(r.array=a,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){a=new a.constructor(4*r.count);for(let e=0;e<r.count;e++)a.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=a}const u=a.byteLength+(4-a.byteLength%4)%4;n=o.createBuffer({label:r.name,size:u,usage:t,mappedAtCreation:!0}),new a.constructor(n.getMappedRange()).set(a),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t).buffer,n=t.array,o=this._isTypedArray(n),a=t.updateRanges;if(0===a.length)s.queue.writeBuffer(i,0,n,0);else{const e=o?1:n.BYTES_PER_ELEMENT;for(let t=0,r=a.length;t<r;t++){const r=a[t],o=r.start*e,u=r.count*e;s.queue.writeBuffer(i,0,n,o,u)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let o=r.get(n);if(void 0===o){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?HN:WN):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?HN:WN),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),o={arrayStride:e,attributes:[],stepMode:t},r.set(n,o)}const a=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;o.attributes.push({shaderLocation:e,offset:u,format:a})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,r=t.device,s=t.get(this._getBufferAttribute(e)).buffer,i=s.size,n=r.createBuffer({label:`${e.name}_readback`,size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),o=r.createCommandEncoder({label:`readback_encoder_${e.name}`});o.copyBufferToBuffer(s,0,n,0,i);const a=o.finish();r.queue.submit([a]),await n.mapAsync(GPUMapMode.READ);const u=n.getMappedRange(),l=new e.array.constructor(u.slice(0));return n.unmap(),l.buffer}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=NS.get(s);else{const e=(vS.get(i)||_S.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||console.error("THREE.WebGPUAttributeUtils: Vertex format not supported yet."),n}_isTypedArray(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}class AS{constructor(e){this.backend=e,this.bindGroupLayoutCache=new WeakMap}createBindingsLayout(e){const t=this.backend,r=t.device,s=[];let i=0;for(const r of e.bindings){const e={binding:i++,visibility:r.visibility};if(r.isUniformBuffer||r.isStorageBuffer){const t={};r.isStorageBuffer&&(4&r.visibility&&(r.access===Fs.READ_WRITE||r.access===Fs.WRITE_ONLY)?t.type=CN:t.type=EN),e.buffer=t}else if(r.isSampler){const t={};r.texture.isDepthTexture&&null!==r.texture.compareFunction&&(t.type="comparison"),e.sampler=t}else if(r.isSampledTexture&&r.texture.isVideoTexture)e.externalTexture={};else if(r.isSampledTexture&&r.store){const t={};t.format=this.backend.get(r.texture).texture.format;const s=r.access;t.access=s===Fs.READ_WRITE?BN:s===Fs.WRITE_ONLY?wN:MN,e.storageTexture=t}else if(r.isSampledTexture){const s={},{primarySamples:i}=t.utils.getTextureSampleData(r.texture);if(i>1&&(s.multisampled=!0,r.texture.isDepthTexture||(s.sampleType=UN)),r.texture.isDepthTexture)s.sampleType=PN;else if(r.texture.isDataTexture||r.texture.isDataArrayTexture||r.texture.isData3DTexture){const e=r.texture.type;e===T?s.sampleType=IN:e===b?s.sampleType=LN:e===w&&(this.backend.hasFeature("float32-filterable")?s.sampleType=FN:s.sampleType=UN)}r.isSampledCubeTexture?s.viewDimension=kN:r.texture.isDataArrayTexture||r.texture.isCompressedArrayTexture?s.viewDimension=GN:r.isSampledTexture3D&&(s.viewDimension=zN),e.texture=s}else console.error(`WebGPUBindingUtils: Unsupported binding "${r}".`);s.push(e)}return r.createBindGroupLayout({entries:s})}createBindings(e,t,r,s=0){const{backend:i,bindGroupLayoutCache:n}=this,o=i.get(e);let a,u=n.get(e.bindingsReference);void 0===u&&(u=this.createBindingsLayout(e),n.set(e.bindingsReference,u)),r>0&&(void 0===o.groups&&(o.groups=[],o.versions=[]),o.versions[r]===s&&(a=o.groups[r])),void 0===a&&(a=this.createBindGroup(e,u),r>0&&(o.groups[r]=a,o.versions[r]=s)),o.group=a,o.layout=u}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer;r.queue.writeBuffer(i,0,s,0)}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0],n=r.createBuffer({label:"bindingCameraIndex_"+i,size:16,usage:s});r.queue.writeBuffer(n,0,e,0);const o=[{binding:0,resource:{buffer:n}}];return r.createBindGroup({label:"bindGroupCameraIndex_"+i,layout:t,entries:o})}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;const n=[];for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);if(void 0===e.buffer){const r=t.byteLength,i=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,n=s.createBuffer({label:"bindingBuffer_"+t.name,size:r,usage:i});e.buffer=n}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t);if(void 0===e.buffer){const s=t.attribute;e.buffer=r.get(s).buffer}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isSampler){const e=r.get(t.texture);n.push({binding:i,resource:e.sampler})}else if(t.isSampledTexture){const e=r.get(t.texture);let o;if(void 0!==e.externalTexture)o=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=`view-${e.texture.width}-${e.texture.height}-${r}`;if(o=e[s],void 0===o){const i=$N;let n;n=t.isSampledCubeTexture?kN:t.isSampledTexture3D?zN:t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?GN:ON,o=e[s]=e.texture.createView({aspect:i,dimension:n,mipLevelCount:r})}}n.push({binding:i,resource:o})}i++}return s.createBindGroup({label:"bindGroup_"+e.name,layout:t,entries:n})}}class RS{constructor(e){this.backend=e}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:o,fragmentProgram:a}=n,u=this.backend,l=u.device,d=u.utils,c=u.get(n),h=[];for(const t of e.getBindings()){const e=u.get(t);h.push(e.layout)}const p=u.attributeUtils.createShaderVertexBuffers(e);let g;!0===s.transparent&&s.blending!==D&&(g=this._getBlending(s));let m={};!0===s.stencilWrite&&(m={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const f=this._getColorWriteMask(s),y=[];if(null!==e.context.textures){const t=e.context.textures;for(let e=0;e<t.length;e++){const r=d.getTextureFormatGPU(t[e]);y.push({format:r,blend:g,writeMask:f})}}else{const t=d.getCurrentColorFormat(e.context);y.push({format:t,blend:g,writeMask:f})}const x=u.get(o).module,b=u.get(a).module,T=this._getPrimitiveState(r,i,s),_=this._getDepthCompare(s),v=d.getCurrentDepthStencilFormat(e.context),N=this._getSampleCount(e.context),S={label:`renderPipeline_${s.name||s.type}_${s.id}`,vertex:Object.assign({},x,{buffers:p}),fragment:Object.assign({},b,{targets:y}),primitive:T,multisample:{count:N,alphaToCoverageEnabled:s.alphaToCoverage&&N>1},layout:l.createPipelineLayout({bindGroupLayouts:h})},A={},R=e.context.depth,C=e.context.stencil;if(!0!==R&&!0!==C||(!0===R&&(A.format=v,A.depthWriteEnabled=s.depthWrite,A.depthCompare=_),!0===C&&(A.stencilFront=m,A.stencilBack={},A.stencilReadMask=s.stencilFuncMask,A.stencilWriteMask=s.stencilWriteMask),S.depthStencil=A),null===t)c.pipeline=l.createRenderPipeline(S);else{const e=new Promise((e=>{l.createRenderPipelineAsync(S).then((t=>{c.pipeline=t,e()}))}));t.push(e)}}createBundleEncoder(e){const t=this.backend,{utils:r,device:s}=t,i=r.getCurrentDepthStencilFormat(e),n={label:"renderBundleEncoder",colorFormats:[r.getCurrentColorFormat(e)],depthStencilFormat:i,sampleCount:this._getSampleCount(e)};return s.createRenderBundleEncoder(n)}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),o=[];for(const e of t){const t=r.get(e);o.push(t.layout)}n.pipeline=s.createComputePipeline({compute:i,layout:s.createPipelineLayout({bindGroupLayouts:o})})}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,o=e.blendEquation;if(s===vt){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,a=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:o;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(o)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(a),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:hN},r={srcFactor:i,dstFactor:n,operation:hN}};if(e.premultipliedAlpha)switch(s){case P:i(eN,iN,eN,iN);break;case At:i(eN,eN,eN,eN);break;case St:i(Jv,rN,Jv,eN);break;case Nt:i(Jv,tN,Jv,sN)}else switch(s){case P:i(sN,iN,eN,iN);break;case At:i(sN,eN,sN,eN);break;case St:i(Jv,rN,Jv,eN);break;case Nt:i(Jv,tN,Jv,tN)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};console.error("THREE.WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case ut:t=Jv;break;case lt:t=eN;break;case dt:t=tN;break;case mt:t=rN;break;case ct:t=sN;break;case ft:t=iN;break;case pt:t=nN;break;case yt:t=oN;break;case gt:t=aN;break;case xt:t=uN;break;case ht:t=lN;break;case 211:t=dN;break;case 212:t=cN;break;default:console.error("THREE.WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case Ir:t=Mv;break;case Pr:t=Dv;break;case Ur:t=Bv;break;case Fr:t=Uv;break;case Br:t=Fv;break;case Mr:t=Lv;break;case wr:t=Pv;break;case Er:t=Iv;break;default:console.error("THREE.WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case $r:t=bN;break;case zr:t=TN;break;case kr:t=_N;break;case Gr:t=vN;break;case Or:t=NN;break;case Vr:t=SN;break;case Dr:t=AN;break;case Lr:t=RN;break;default:console.error("THREE.WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case nt:t=hN;break;case ot:t=pN;break;case at:t=gN;break;case Hr:t=mN;break;case Wr:t=fN;break;default:console.error("THREE.WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;switch(s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?Hv:jv),r.side){case He:s.frontFace=kv,s.cullMode=Wv;break;case _:s.frontFace=kv,s.cullMode=$v;break;case de:s.frontFace=kv,s.cullMode=zv;break;default:console.error("THREE.WebGPUPipelineUtils: Unknown material.side value.",r.side)}return s}_getColorWriteMask(e){return!0===e.colorWrite?xN:yN}_getDepthCompare(e){let t;if(!1===e.depthTest)t=Dv;else{const r=e.depthFunc;switch(r){case Ut:t=Mv;break;case Ft:t=Dv;break;case Bt:t=Bv;break;case Mt:t=Uv;break;case wt:t=Fv;break;case Et:t=Lv;break;case Ct:t=Pv;break;case Rt:t=Iv;break;default:console.error("THREE.WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class CS extends vv{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,this.querySet=this.device.createQuerySet({type:"timestamp",count:this.maxQueries,label:`queryset_global_timestamp_${t}`});const s=8*this.maxQueries;this.resolveBuffer=this.device.createBuffer({label:`buffer_timestamp_resolve_${t}`,size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.resultBuffer=this.device.createBuffer({label:`buffer_timestamp_result_${t}`,size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ})}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return st("WebGPUTimestampQueryPool: Maximum number of queries exceeded."),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e.id,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder();s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(this.device.queue.submit([i]),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r));let o=0;for(const[,t]of e){const e=n[t],r=n[t+1];o+=Number(r-e)/1e6}return this.resultBuffer.unmap(),this.lastValue=o,o}catch(e){return console.error("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){console.error("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){console.error("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class ES extends nv{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.trackTimestamp=!0===e.trackTimestamp,this.device=null,this.context=null,this.colorBuffer=null,this.defaultRenderPassdescriptor=null,this.utils=new TS(this),this.attributeUtils=new SS(this),this.bindingUtils=new AS(this),this.pipelineUtils=new RS(this),this.textureUtils=new tS(this),this.occludedResolveCache=new Map}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const e={powerPreference:t.powerPreference},s="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(e):null;if(null===s)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const i=Object.values(jN),n=[];for(const e of i)s.features.has(e)&&n.push(e);const o={requiredFeatures:n,requiredLimits:t.requiredLimits};r=await s.requestDevice(o)}else r=t.device;r.lost.then((t=>{const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}));const s=void 0!==t.context?t.context:e.domElement.getContext("webgpu");this.device=r,this.context=s;const i=t.alpha?"premultiplied":"opaque";this.trackTimestamp=this.trackTimestamp&&this.hasFeature(jN.TimestampQuery),this.context.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i}),this.updateSize()}get coordinateSystem(){return d}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){let e=this.defaultRenderPassdescriptor;if(null===e){const t=this.renderer;e={colorAttachments:[{view:null}]},!0!==this.renderer.depth&&!0!==this.renderer.stencil||(e.depthStencilAttachment={view:this.textureUtils.getDepthBuffer(t.depth,t.stencil).createView()});const r=e.colorAttachments[0];this.renderer.samples>0?r.view=this.colorBuffer.createView():r.resolveTarget=void 0,this.defaultRenderPassdescriptor=e}const t=e.colorAttachments[0];return this.renderer.samples>0?t.resolveTarget=this.context.getCurrentTexture().createView():t.view=this.context.getCurrentTexture().createView(),e}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r);let i=s.descriptors;if(void 0===i||s.width!==r.width||s.height!==r.height||s.dimensions!==r.dimensions||s.activeMipmapLevel!==r.activeMipmapLevel||s.activeCubeFace!==e.activeCubeFace||s.samples!==r.samples||s.loadOp!==t.loadOp){i={},s.descriptors=i;const e=()=>{r.removeEventListener("dispose",e),this.delete(r)};r.addEventListener("dispose",e)}const n=e.getCacheKey();let o=i[n];if(void 0===o){const a=e.textures,u=[];let l;for(let s=0;s<a.length;s++){const i=this.get(a[s]),n={label:`colorAttachment_${s}`,baseMipLevel:e.activeMipmapLevel,mipLevelCount:1,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1,dimension:ON};r.isRenderTarget3D?(l=e.activeCubeFace,n.baseArrayLayer=0,n.dimension=zN,n.depthOrArrayLayers=a[s].image.depth):r.isRenderTargetArray&&(n.dimension=GN,n.depthOrArrayLayers=a[s].image.depth);const o=i.texture.createView(n);let d,c;void 0!==i.msaaTexture?(d=i.msaaTexture.createView(),c=o):(d=o,c=void 0),u.push({view:d,depthSlice:l,resolveTarget:c,loadOp:Ov,storeOp:Vv,...t})}if(o={colorAttachments:u},e.depth){const t={view:this.get(e.depthTexture).texture.createView()};o.depthStencilAttachment=t}i[n]=o,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace,s.dimensions=r.dimensions,s.depthSlice=l,s.loadOp=u[0].loadOp}return o}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,i=r.createQuerySet({type:"occlusion",count:s,label:`occlusionQuerySet_${e.id}`}),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:Ov}),this.initTimestampQuery(e,n),n.occlusionQuerySet=i;const o=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(s.clearValue=0===r?e.clearColorValue:{r:0,g:0,b:0,a:1},s.loadOp=Gv,s.storeOp=Vv):(s.loadOp=Ov,s.storeOp=Vv)}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=Gv,t.storeOp=Vv):(t.loadOp=Ov,t.storeOp=Vv)}e.depth&&(e.clearDepth?(o.depthClearValue=e.clearDepthValue,o.depthLoadOp=Gv,o.depthStoreOp=Vv):(o.depthLoadOp=Ov,o.depthStoreOp=Vv)),e.stencil&&(e.clearStencil?(o.stencilClearValue=e.clearStencilValue,o.stencilLoadOp=Gv,o.stencilStoreOp=Vv):(o.stencilLoadOp=Ov,o.stencilStoreOp=Vv));const a=r.createCommandEncoder({label:"renderContext_"+e.id}),u=a.beginRenderPass(n);if(t.descriptor=n,t.encoder=a,t.currentPass=u,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[],e.viewport&&this.updateViewport(e),e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;u.setScissorRect(t,r,s,i)}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;if(t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery(),t.currentPass.end(),r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(i=this.device.createBuffer({size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(s,i));const n=this.device.createBuffer({size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(this.device.queue.submit([t.encoder.finish()]),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:o,maxDepth:a}=e.viewportValue;t.setViewport(r,s,i,n,o,a)}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let o,a,u,l,d=[];if(e){const e=this.getClearColor();if(!0===this.renderer.alpha){const t=e.a;a={r:e.r*t,g:e.g*t,b:e.b*t,a:t}}else a={r:e.r,g:e.g,b:e.b,a:e.a}}if(null===s){u=n.depth,l=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){d=t.colorAttachments;const e=d[0];e.clearValue=a,e.loadOp=Gv,e.storeOp=Vv}(u||l)&&(o=t.depthStencilAttachment)}else{if(u=s.depth,l=s.stencil,e){d=this._getRenderPassDescriptor(s,{loadOp:Gv,clearValue:a}).colorAttachments}if(u||l){o={view:this.get(s.depthTexture).texture.createView()}}}u&&(t?(o.depthLoadOp=Gv,o.depthClearValue=n.getClearDepth(),o.depthStoreOp=Vv):(o.depthLoadOp=Ov,o.depthStoreOp=Vv)),l&&(r?(o.stencilLoadOp=Gv,o.stencilClearValue=n.getClearStencil(),o.stencilStoreOp=Vv):(o.stencilLoadOp=Ov,o.stencilStoreOp=Vv));const c=i.createCommandEncoder({label:"clear"});c.beginRenderPass({colorAttachments:d,depthStencilAttachment:o}).end(),i.queue.submit([c.finish()])}beginCompute(e){const t=this.get(e),r={label:"computeGroup_"+e.id};this.initTimestampQuery(e,r),t.cmdEncoderGPU=this.device.createCommandEncoder({label:"computeGroup_"+e.id}),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(r)}compute(e,t,r,s){const{passEncoderGPU:i}=this.get(e),n=this.get(s).pipeline;i.setPipeline(n);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);i.setBindGroup(e,s.group)}const o=this.device.limits.maxComputeWorkgroupsPerDimension,a=this.get(t);void 0===a.dispatchSize&&(a.dispatchSize={x:0,y:1,z:1});const{dispatchSize:u}=a;t.dispatchCount>o?(u.x=Math.min(t.dispatchCount,o),u.y=Math.ceil(t.dispatchCount/o)):u.x=t.dispatchCount,i.dispatchWorkgroups(u.x,u.y,u.z)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),this.device.queue.submit([t.cmdEncoderGPU.finish()])}async waitForGPU(){await this.device.queue.onSubmittedWorkDone()}draw(e,t){const{object:r,context:s,pipeline:i}=e,n=e.getBindings(),o=this.get(s),a=this.get(i).pipeline,u=o.currentSets,l=o.currentPass,d=e.getDrawParameters();if(null===d)return;u.pipeline!==a&&(l.setPipeline(a),u.pipeline=a);const c=u.bindingGroups;for(let e=0,t=n.length;e<t;e++){const t=n[e],r=this.get(t);c[t.index]!==t.id&&(l.setBindGroup(t.index,r.group),c[t.index]=t.id)}const h=e.getIndex(),p=null!==h;if(!0===p&&u.index!==h){const e=this.get(h).buffer,t=h.array instanceof Uint16Array?Hv:jv;l.setIndexBuffer(e,t),u.index=h}const g=e.getVertexBuffers();for(let e=0,t=g.length;e<t;e++){const t=g[e];if(u.attributes[e]!==t){const r=this.get(t).buffer;l.setVertexBuffer(e,r),u.attributes[e]=t}}if(void 0!==o.occlusionQuerySet){const e=o.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(l.endOcclusionQuery(),o.occlusionQueryIndex++),!0===r.occlusionTest&&(l.beginOcclusionQuery(o.occlusionQueryIndex),o.occlusionQueryObjects[o.occlusionQueryIndex]=r),o.lastOcclusionObject=r)}const m=()=>{if(!0===r.isBatchedMesh){const e=r._multiDrawStarts,t=r._multiDrawCounts,s=r._multiDrawCount,i=r._multiDrawInstances;for(let r=0;r<s;r++){const s=i?i[r]:1,n=s>1?0:r;!0===p?l.drawIndexed(t[r],s,e[r]/h.array.BYTES_PER_ELEMENT,0,n):l.draw(t[r],s,e[r],n)}}else if(!0===p){const{vertexCount:s,instanceCount:i,firstVertex:n}=d,o=e.getIndirect();if(null!==o){const e=this.get(o).buffer;l.drawIndexedIndirect(e,0)}else l.drawIndexed(s,i,n,0,0);t.update(r,s,i)}else{const{vertexCount:s,instanceCount:i,firstVertex:n}=d,o=e.getIndirect();if(null!==o){const e=this.get(o).buffer;l.drawIndirect(e,0)}else l.draw(s,i,n,0);t.update(r,s,i)}};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const t=this.get(e.camera),i=e.camera.cameras,n=e.getBindingGroup("cameraIndex");if(void 0===t.indexesGPU||t.indexesGPU.length!==i.length){const e=this.get(n),r=[],s=new Uint32Array([0,0,0,0]);for(let t=0,n=i.length;t<n;t++){s[0]=t;const i=this.bindingUtils.createBindGroupIndex(s,e.layout);r.push(i)}t.indexesGPU=r}const o=this.renderer.getPixelRatio();for(let e=0,a=i.length;e<a;e++){const a=i[e];if(r.layers.test(a.layers)){const r=a.viewport;l.setViewport(Math.floor(r.x*o),Math.floor(r.y*o),Math.floor(r.width*o),Math.floor(r.height*o),s.viewportValue.minDepth,s.viewportValue.maxDepth),l.setBindGroup(n.index,t.indexesGPU[e]),m()}}}else m()}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),o=i.getCurrentColorSpace(e.context),a=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===o&&t.colorFormat===a&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=o,t.colorFormat=a,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}createSampler(e){this.textureUtils.createSampler(e)}destroySampler(e){this.textureUtils.destroySampler(e)}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e){this.textureUtils.destroyTexture(e)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t){if(!this.trackTimestamp)return;const r=e.isComputeNode?"compute":"render";this.timestampQueryPool[r]||(this.timestampQueryPool[r]=new CS(this.device,r,2048));const s=this.timestampQueryPool[r],i=s.allocateQueriesForContext(e);t.timestampWrites={querySet:s.querySet,beginningOfPassWriteIndex:i,endOfPassWriteIndex:i+1}}createNodeBuilder(e,t){return new bS(e,t)}createProgram(e){this.get(e).module={module:this.device.createShaderModule({code:e.code,label:e.stage+(""!==e.name?`_${e.name}`:"")}),entryPoint:"main"}}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}createIndexAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.colorBuffer=this.textureUtils.getColorBuffer(),this.defaultRenderPassdescriptor=null}getMaxAnisotropy(){return 16}hasFeature(e){return this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0){let n=0,o=0,a=0,u=0,l=0,d=0,c=e.image.width,h=e.image.height;null!==r&&(u=r.x,l=r.y,d=r.z||0,c=r.width,h=r.height),null!==s&&(n=s.x,o=s.y,a=s.z||0);const p=this.device.createCommandEncoder({label:"copyTextureToTexture_"+e.id+"_"+t.id}),g=this.get(e).texture,m=this.get(t).texture;p.copyTextureToTexture({texture:g,mipLevel:i,origin:{x:u,y:l,z:d}},{texture:m,mipLevel:i,origin:{x:n,y:o,z:a}},[c,h,1]),this.device.queue.submit([p.finish()])}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void console.error("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let o;if(s.currentPass?(s.currentPass.end(),o=s.encoder):o=this.device.createCommandEncoder({label:"copyFramebufferToTexture_"+e.id}),o.copyTextureToTexture({texture:i,origin:[r.x,r.y,0]},{texture:n},[r.z,r.w]),e.generateMipmaps&&this.textureUtils.generateMipmaps(e),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=Ov;if(t.depth&&(e.depthStencilAttachment.depthLoadOp=Ov),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=Ov),s.currentPass=o.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor){const{x:e,y:r,width:i,height:n}=t.scissorValue;s.currentPass.setScissorRect(e,r,i,n)}}else this.device.queue.submit([o.finish()])}}class wS extends jr{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class MS extends b_{constructor(){super(),this.addMaterial(qh,"MeshPhongMaterial"),this.addMaterial(pg,"MeshStandardMaterial"),this.addMaterial(mg,"MeshPhysicalMaterial"),this.addMaterial(_g,"MeshToonMaterial"),this.addMaterial(Vh,"MeshBasicMaterial"),this.addMaterial(Hh,"MeshLambertMaterial"),this.addMaterial(Sh,"MeshNormalMaterial"),this.addMaterial(Ag,"MeshMatcapMaterial"),this.addMaterial(gh,"LineBasicMaterial"),this.addMaterial(fh,"LineDashedMaterial"),this.addMaterial(Bg,"PointsMaterial"),this.addMaterial(wg,"SpriteMaterial"),this.addMaterial(Pg,"ShadowMaterial"),this.addLight(Xx,qr),this.addLight(qT,Xr),this.addLight(QT,Kr),this.addLight(ZT,jr),this.addLight(e_,Yr),this.addLight(t_,Qr),this.addLight(r_,Zr),this.addLight(JT,wS),this.addToneMapping(hy,Jr),this.addToneMapping(py,es),this.addToneMapping(gy,ts),this.addToneMapping(fy,rs),this.addToneMapping(Ty,ss),this.addToneMapping(_y,is)}}class BS extends V_{constructor(e={}){let t;e.forceWebGL?t=Sv:(t=ES,e.getFallback=()=>(console.warn("THREE.WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new Sv(e)));super(new t(e),e),this.library=new MS,this.isWebGPURenderer=!0}}class FS extends ns{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class US{constructor(e,t=qi(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new hh;r.name="PostProcessing",this._quadMesh=new xf(r)}render(){this._update();const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=p,e.outputColorSpace=Ce,this._quadMesh.render(e),e.toneMapping=t,e.outputColorSpace=r}dispose(){this._quadMesh.material.dispose()}_update(){if(!0===this.needsUpdate){const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;this._quadMesh.material.fragmentNode=!0===this.outputColorTransform?Au(this.outputNode,t,r):this.outputNode.context({toneMapping:t,outputColorSpace:r}),this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){this._update();const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=p,e.outputColorSpace=Ce,await this._quadMesh.renderAsync(e),e.toneMapping=t,e.outputColorSpace=r}}class PS extends ee{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=$,this.minFilter=$,this.isStorageTexture=!0}}class IS extends Rf{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class LS extends os{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new as(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,(r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):console.error(t),this.manager.itemError(e)}}),r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(console.error("THREE.NodeLoader: Node type not found:",e),Ii()):Si(new this.nodes[e])}}class DS extends us{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class VS extends ls{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}parseNodes(e,t){if(void 0!==e){const r=new LS;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new DS;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class OS extends ns{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{rs as ACESFilmicToneMapping,Ec as AONode,nt as AddEquation,X as AddOperation,At as AdditiveBlending,ss as AgXToneMapping,Dt as AlphaFormat,vr as AlwaysCompare,Ft as AlwaysDepth,Pr as AlwaysStencilFunc,Yr as AmbientLight,e_ as AmbientLightNode,Lx as AnalyticLightNode,Ge as ArrayCamera,Os as ArrayElementNode,rn as ArrayNode,Wn as AssignNode,Ru as AttributeNode,_ as BackSide,Uh as BasicEnvironmentNode,Be as BasicShadowMap,gc as BatchNode,G as BoxGeometry,Se as BufferAttribute,au as BufferAttributeNode,ve as BufferGeometry,Lu as BufferNode,gd as BumpMapNode,FS as BundleGroup,fu as BypassNode,tt as ByteType,gu as CacheNode,ce as Camera,ts as CineonToneMapping,yr as ClampToEdgeWrapping,OS as ClippingGroup,vy as CodeNode,e as Color,c as ColorManagement,Ka as ColorSpaceNode,hu as ComputeNode,Xs as ConstNode,Pa as ContextNode,Gs as ConvertNode,W as CubeCamera,v as CubeReflectionMapping,N as CubeRefractionMapping,H as CubeTexture,Ol as CubeTextureNode,Ue as CubeUVReflectionMapping,Tt as CullFaceBack,_t as CullFaceFront,bt as CullFaceNone,vt as CustomBlending,E as DataArrayTexture,qe as DataTexture,Vr as DecrementStencilOp,Lr as DecrementWrapStencilOp,pe as DepthFormat,he as DepthStencilFormat,F as DepthTexture,Xr as DirectionalLight,qT as DirectionalLightNode,de as DoubleSide,gt as DstAlphaFactor,pt as DstColorFactor,f as DynamicDrawUsage,lg as EnvironmentNode,Sr as EqualCompare,wt as EqualDepth,Br as EqualStencilFunc,Ah as EquirectUVNode,j as EquirectangularReflectionMapping,q as EquirectangularRefractionMapping,Re as Euler,a as EventDispatcher,_u as ExpressionNode,as as FileLoader,Ve as Float16BufferAttribute,Ne as Float32BufferAttribute,w as FloatType,M as FramebufferTexture,_l as FrontFacingNode,He as FrontSide,je as Frustum,jn as FunctionCallNode,Sy as FunctionNode,Vm as FunctionOverloadingNode,l_ as GLSLNodeParser,Rr as GreaterCompare,Ct as GreaterDepth,Ar as GreaterEqualCompare,Et as GreaterEqualDepth,Mr as GreaterEqualStencilFunc,wr as GreaterStencilFunc,ns as Group,be as HalfFloatType,Qr as HemisphereLight,t_ as HemisphereLightNode,wS as IESSpotLight,JT as IESSpotLightNode,Or as IncrementStencilOp,Dr as IncrementWrapStencilOp,sc as IndexNode,IS as IndirectStorageBufferAttribute,dc as InstanceNode,C as InstancedBufferAttribute,R as InstancedInterleavedBuffer,hc as InstancedMeshNode,T as IntType,m as InterleavedBuffer,y as InterleavedBufferAttribute,Gr as InvertStencilOp,Bc as IrradianceNode,zs as JoinNode,$r as KeepStencilOp,Ee as LessCompare,Bt as LessDepth,Nr as LessEqualCompare,Mt as LessEqualDepth,Fr as LessEqualStencilFunc,Ur as LessStencilFunc,Zr as LightProbe,r_ as LightProbeNode,v_ as Lighting,wc as LightingContextNode,Ih as LightingModel,Cc as LightingNode,dx as LightsNode,_h as Line2NodeMaterial,I as LineBasicMaterial,gh as LineBasicNodeMaterial,L as LineDashedMaterial,fh as LineDashedNodeMaterial,$ as LinearFilter,Te as LinearMipMapLinearFilter,B as LinearMipmapLinearFilter,Le as LinearMipmapNearestFilter,Ce as LinearSRGBColorSpace,Jr as LinearToneMapping,os as Loader,bc as LoopNode,Ot as LuminanceAlphaFormat,Vt as LuminanceFormat,Bm as MRTNode,vg as MatcapUVNode,U as Material,us as MaterialLoader,yd as MaterialNode,Hl as MaterialReferenceNode,u as MathUtils,i as Matrix2,n as Matrix3,o as Matrix4,Wr as MaxEquation,Bu as MaxMipLevelNode,k as Mesh,Q as MeshBasicMaterial,Vh as MeshBasicNodeMaterial,Z as MeshLambertMaterial,Hh as MeshLambertNodeMaterial,ie as MeshMatcapMaterial,Ag as MeshMatcapNodeMaterial,V as MeshNormalMaterial,Sh as MeshNormalNodeMaterial,J as MeshPhongMaterial,qh as MeshPhongNodeMaterial,re as MeshPhysicalMaterial,mg as MeshPhysicalNodeMaterial,yg as MeshSSSNodeMaterial,te as MeshStandardMaterial,pg as MeshStandardNodeMaterial,se as MeshToonMaterial,_g as MeshToonNodeMaterial,Hr as MinEquation,xr as MirroredRepeatWrapping,K as MixOperation,rl as ModelNode,Ac as MorphNode,Nt as MultiplyBlending,Y as MultiplyOperation,br as NearestFilter,De as NearestMipmapLinearFilter,Tr as NearestMipmapNearestFilter,is as NeutralToneMapping,_r as NeverCompare,Ut as NeverDepth,Ir as NeverStencilFunc,D as NoBlending,x as NoColorSpace,p as NoToneMapping,Vs as Node,Fs as NodeAccess,Kb as NodeAttribute,WT as NodeBuilder,tT as NodeCache,Jb as NodeCode,HT as NodeFrame,jT as NodeFunctionInput,LS as NodeLoader,hh as NodeMaterial,DS as NodeMaterialLoader,cs as NodeMaterialObserver,VS as NodeObjectLoader,ws as NodeShaderStage,Bs as NodeType,Yb as NodeUniform,Ms as NodeUpdateType,Es as NodeUtils,Qb as NodeVar,Zb as NodeVarying,P as NormalBlending,dd as NormalMapNode,Cr as NotEqualCompare,Rt as NotEqualDepth,Er as NotEqualStencilFunc,xe as Object3D,Yu as Object3DNode,ls as ObjectLoader,A as ObjectSpaceNormalMap,lt as OneFactor,xt as OneMinusDstAlphaFactor,yt as OneMinusDstColorFactor,ft as OneMinusSrcAlphaFactor,mt as OneMinusSrcColorFactor,_e as OrthographicCamera,Em as OutputStructNode,We as PCFShadowMap,IT as PMREMGenerator,og as PMREMNode,Am as ParameterNode,dy as PassNode,Pe as PerspectiveCamera,$h as PhongLightingModel,Lp as PhysicalLightingModel,ye as Plane,qr as PointLight,Xx as PointLightNode,Ff as PointUVNode,oe as PointsMaterial,Bg as PointsNodeMaterial,US as PostProcessing,ny as PosterizeNode,pn as PropertyNode,xf as QuadMesh,gr as RED_GREEN_RGTC2_Format,hr as RED_RGTC1_Format,Oe as REVISION,Ie as RGBAFormat,Je as RGBAIntegerFormat,ur as RGBA_ASTC_10x10_Format,nr as RGBA_ASTC_10x5_Format,or as RGBA_ASTC_10x6_Format,ar as RGBA_ASTC_10x8_Format,lr as RGBA_ASTC_12x10_Format,dr as RGBA_ASTC_12x12_Format,Qt as RGBA_ASTC_4x4_Format,Zt as RGBA_ASTC_5x4_Format,Jt as RGBA_ASTC_5x5_Format,er as RGBA_ASTC_6x5_Format,tr as RGBA_ASTC_6x6_Format,rr as RGBA_ASTC_8x5_Format,sr as RGBA_ASTC_8x6_Format,ir as RGBA_ASTC_8x8_Format,cr as RGBA_BPTC_Format,Yt as RGBA_ETC2_EAC_Format,qt as RGBA_PVRTC_2BPPV1_Format,jt as RGBA_PVRTC_4BPPV1_Format,kt as RGBA_S3TC_DXT1_Format,zt as RGBA_S3TC_DXT3_Format,$t as RGBA_S3TC_DXT5_Format,Ze as RGBFormat,Qe as RGBIntegerFormat,Xt as RGB_ETC1_Format,Kt as RGB_ETC2_Format,Ht as RGB_PVRTC_2BPPV1_Format,Wt as RGB_PVRTC_4BPPV1_Format,Gt as RGB_S3TC_DXT1_Format,Me as RGFormat,Ye as RGIntegerFormat,Tf as RTTNode,Oy as RangeNode,Kr as RectAreaLight,QT as RectAreaLightNode,Ke as RedFormat,Xe as RedIntegerFormat,zl as ReferenceNode,pf as ReflectorNode,es as ReinhardToneMapping,xu as RemapNode,Su as RenderOutputNode,fe as RenderTarget,ru as RendererReferenceNode,_x as RendererUtils,fr as RepeatWrapping,kr as ReplaceStencilOp,at as ReverseSubtractEquation,Rg as RotateNode,mr as SIGNED_RED_GREEN_RGTC2_Format,pr as SIGNED_RED_RGTC1_Format,$e as SRGBColorSpace,h as SRGBTransfer,z as Scene,Lf as SceneNode,Pc as ScreenNode,By as ScriptableNode,Ry as ScriptableValueNode,Hs as SetNode,cx as ShadowBaseNode,ae as ShadowMaterial,Px as ShadowNode,Pg as ShadowNodeMaterial,rt as ShortType,yc as SkinningNode,Fe as SphereGeometry,Ws as SplitNode,jr as SpotLight,ZT as SpotLightNode,ne as SpriteMaterial,wg as SpriteNodeMaterial,Xm as SpriteSheetUVNode,ct as SrcAlphaFactor,ht as SrcAlphaSaturateFactor,dt as SrcColorFactor,Rm as StackNode,g as StaticDrawUsage,Cf as StorageArrayElementNode,Rf as StorageBufferAttribute,wf as StorageBufferNode,Af as StorageInstancedBufferAttribute,PS as StorageTexture,Gf as StorageTextureNode,ot as SubtractEquation,St as SubtractiveBlending,$b as TSL,S as TangentSpaceNormalMap,ks as TempNode,ee as Texture,Lg as Texture3DNode,Uu as TextureNode,wu as TextureSizeNode,iu as ToneMappingNode,cy as ToonOutlinePassNode,Ym as TriplanarTexturesNode,Ae as UVMapping,le as Uint16BufferAttribute,ue as Uint32BufferAttribute,Ou as UniformArrayNode,nn as UniformGroupNode,cn as UniformNode,me as UnsignedByteType,ge as UnsignedInt248Type,Lt as UnsignedInt5999Type,b as UnsignedIntType,Pt as UnsignedShort4444Type,It as UnsignedShort5551Type,et as UnsignedShortType,zf as UserDataNode,we as VSMShadowMap,Da as VarNode,za as VaryingNode,t as Vector2,r as Vector3,s as Vector4,Bf as VertexColorNode,Zc as ViewportDepthNode,Yc as ViewportDepthTextureNode,xh as ViewportSharedTextureNode,jc as ViewportTextureNode,Vg as VolumeNodeMaterial,l as WebGLCoordinateSystem,O as WebGLCubeRenderTarget,d as WebGPUCoordinateSystem,BS as WebGPURenderer,ke as WebXRController,ut as ZeroFactor,zr as ZeroStencilOp,it as createCanvasElement,Ps as defaultBuildStages,Us as defaultShaderStages,Is as shaderStages,Ls as vectorComponents}; +import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as o,EventDispatcher as a,MathUtils as u,WebGLCoordinateSystem as l,WebGPUCoordinateSystem as d,ColorManagement as c,SRGBTransfer as h,NoToneMapping as p,StaticDrawUsage as g,InterleavedBuffer as m,DynamicDrawUsage as f,InterleavedBufferAttribute as y,NoColorSpace as x,UnsignedIntType as b,IntType as T,BackSide as _,CubeReflectionMapping as v,CubeRefractionMapping as N,TangentSpaceNormalMap as S,ObjectSpaceNormalMap as A,InstancedInterleavedBuffer as R,InstancedBufferAttribute as C,DataArrayTexture as E,FloatType as w,FramebufferTexture as M,LinearMipmapLinearFilter as B,DepthTexture as F,Material as U,NormalBlending as P,LineBasicMaterial as I,LineDashedMaterial as L,NoBlending as D,MeshNormalMaterial as V,WebGLCubeRenderTarget as O,BoxGeometry as G,Mesh as k,Scene as z,LinearFilter as $,CubeCamera as W,CubeTexture as H,EquirectangularReflectionMapping as j,EquirectangularRefractionMapping as q,AddOperation as X,MixOperation as K,MultiplyOperation as Y,MeshBasicMaterial as Q,MeshLambertMaterial as Z,MeshPhongMaterial as J,Texture as ee,MeshStandardMaterial as te,MeshPhysicalMaterial as re,MeshToonMaterial as se,MeshMatcapMaterial as ie,SpriteMaterial as ne,PointsMaterial as oe,ShadowMaterial as ae,arrayNeedsUint32 as ue,Uint32BufferAttribute as le,Uint16BufferAttribute as de,DoubleSide as ce,Camera as he,DepthStencilFormat as pe,DepthFormat as ge,UnsignedInt248Type as me,UnsignedByteType as fe,RenderTarget as ye,Plane as xe,Object3D as be,HalfFloatType as Te,LinearMipMapLinearFilter as _e,OrthographicCamera as ve,BufferGeometry as Ne,Float32BufferAttribute as Se,BufferAttribute as Ae,UVMapping as Re,Euler as Ce,LinearSRGBColorSpace as Ee,LessCompare as we,VSMShadowMap as Me,RGFormat as Be,BasicShadowMap as Fe,SphereGeometry as Ue,CubeUVReflectionMapping as Pe,PerspectiveCamera as Ie,RGBAFormat as Le,LinearMipmapNearestFilter as De,NearestMipmapLinearFilter as Ve,Float16BufferAttribute as Oe,REVISION as Ge,ArrayCamera as ke,WebXRController as ze,RAD2DEG as $e,SRGBColorSpace as We,PCFShadowMap as He,FrontSide as je,Frustum as qe,DataTexture as Xe,RedIntegerFormat as Ke,RedFormat as Ye,RGIntegerFormat as Qe,RGBIntegerFormat as Ze,RGBFormat as Je,RGBAIntegerFormat as et,UnsignedShortType as tt,ByteType as rt,ShortType as st,warnOnce as it,createCanvasElement as nt,AddEquation as ot,SubtractEquation as at,ReverseSubtractEquation as ut,ZeroFactor as lt,OneFactor as dt,SrcColorFactor as ct,SrcAlphaFactor as ht,SrcAlphaSaturateFactor as pt,DstColorFactor as gt,DstAlphaFactor as mt,OneMinusSrcColorFactor as ft,OneMinusSrcAlphaFactor as yt,OneMinusDstColorFactor as xt,OneMinusDstAlphaFactor as bt,CullFaceNone as Tt,CullFaceBack as _t,CullFaceFront as vt,CustomBlending as Nt,MultiplyBlending as St,SubtractiveBlending as At,AdditiveBlending as Rt,NotEqualDepth as Ct,GreaterDepth as Et,GreaterEqualDepth as wt,EqualDepth as Mt,LessEqualDepth as Bt,LessDepth as Ft,AlwaysDepth as Ut,NeverDepth as Pt,UnsignedShort4444Type as It,UnsignedShort5551Type as Lt,UnsignedInt5999Type as Dt,AlphaFormat as Vt,LuminanceFormat as Ot,LuminanceAlphaFormat as Gt,RGB_S3TC_DXT1_Format as kt,RGBA_S3TC_DXT1_Format as zt,RGBA_S3TC_DXT3_Format as $t,RGBA_S3TC_DXT5_Format as Wt,RGB_PVRTC_4BPPV1_Format as Ht,RGB_PVRTC_2BPPV1_Format as jt,RGBA_PVRTC_4BPPV1_Format as qt,RGBA_PVRTC_2BPPV1_Format as Xt,RGB_ETC1_Format as Kt,RGB_ETC2_Format as Yt,RGBA_ETC2_EAC_Format as Qt,RGBA_ASTC_4x4_Format as Zt,RGBA_ASTC_5x4_Format as Jt,RGBA_ASTC_5x5_Format as er,RGBA_ASTC_6x5_Format as tr,RGBA_ASTC_6x6_Format as rr,RGBA_ASTC_8x5_Format as sr,RGBA_ASTC_8x6_Format as ir,RGBA_ASTC_8x8_Format as nr,RGBA_ASTC_10x5_Format as or,RGBA_ASTC_10x6_Format as ar,RGBA_ASTC_10x8_Format as ur,RGBA_ASTC_10x10_Format as lr,RGBA_ASTC_12x10_Format as dr,RGBA_ASTC_12x12_Format as cr,RGBA_BPTC_Format as hr,RED_RGTC1_Format as pr,SIGNED_RED_RGTC1_Format as gr,RED_GREEN_RGTC2_Format as mr,SIGNED_RED_GREEN_RGTC2_Format as fr,RepeatWrapping as yr,ClampToEdgeWrapping as xr,MirroredRepeatWrapping as br,NearestFilter as Tr,NearestMipmapNearestFilter as _r,NeverCompare as vr,AlwaysCompare as Nr,LessEqualCompare as Sr,EqualCompare as Ar,GreaterEqualCompare as Rr,GreaterCompare as Cr,NotEqualCompare as Er,NotEqualStencilFunc as wr,GreaterStencilFunc as Mr,GreaterEqualStencilFunc as Br,EqualStencilFunc as Fr,LessEqualStencilFunc as Ur,LessStencilFunc as Pr,AlwaysStencilFunc as Ir,NeverStencilFunc as Lr,DecrementWrapStencilOp as Dr,IncrementWrapStencilOp as Vr,DecrementStencilOp as Or,IncrementStencilOp as Gr,InvertStencilOp as kr,ReplaceStencilOp as zr,ZeroStencilOp as $r,KeepStencilOp as Wr,MaxEquation as Hr,MinEquation as jr,SpotLight as qr,PointLight as Xr,DirectionalLight as Kr,RectAreaLight as Yr,AmbientLight as Qr,HemisphereLight as Zr,LightProbe as Jr,LinearToneMapping as es,ReinhardToneMapping as ts,CineonToneMapping as rs,ACESFilmicToneMapping as ss,AgXToneMapping as is,NeutralToneMapping as ns,Group as os,Loader as as,FileLoader as us,MaterialLoader as ls,ObjectLoader as ds}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,CylinderGeometry,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LinearTransfer,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,PCFSoftShadowMap,Path,PlaneGeometry,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,Quaternion,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGB_BPTC_SIGNED_Format,RGB_BPTC_UNSIGNED_Format,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RenderTargetArray,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Sphere,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,TimestampQuery,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding}from"./three.core.min.js";const cs=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveMap","envMap","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"];class hs{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=cs,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}getRenderObjectData(e){let t=this.renderObjects.get(e);if(void 0===t){const{geometry:r,material:s,object:i}=e;if(t={material:this.getMaterialData(s),geometry:{id:r.id,attributes:this.getAttributesData(r.attributes),indexVersion:r.index?r.index.version:null,drawRange:{start:r.drawRange.start,count:r.drawRange.count}},worldMatrix:i.matrixWorld.clone()},i.center&&(t.center=i.center.clone()),i.morphTargetInfluences&&(t.morphTargetInfluences=i.morphTargetInfluences.slice()),null!==e.bundle&&(t.version=e.bundle.version),t.material.transmission>0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return null!==e.renderer.nodes.modelViewMatrix||null!==e.renderer.nodes.modelNormalViewMatrix}getMaterialData(e){const t={};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:s.version}:t[r]=s.clone():t[r]=s)}return t}equals(e){const{object:t,material:r,geometry:s}=e,i=this.getRenderObjectData(e);if(!0!==i.worldMatrix.equals(t.matrixWorld))return i.worldMatrix.copy(t.matrixWorld),!1;const n=i.material;for(const e in n){const t=n[e],s=r[e];if(void 0!==t.equals){if(!1===t.equals(s))return t.copy(s),!1}else if(!0===s.isTexture){if(t.id!==s.id||t.version!==s.version)return t.id=s.id,t.version=s.version,!1}else if(t!==s)return n[e]=s,!1}if(n.transmission>0){const{width:t,height:r}=e.context;if(i.bufferWidth!==t||i.bufferHeight!==r)return i.bufferWidth=t,i.bufferHeight=r,!1}const o=i.geometry,a=s.attributes,u=o.attributes,l=Object.keys(u),d=Object.keys(a);if(o.id!==s.id)return o.id=s.id,!1;if(l.length!==d.length)return i.geometry.attributes=this.getAttributesData(a),!1;for(const e of l){const t=u[e],r=a[e];if(void 0===r)return delete u[e],!1;if(t.version!==r.version)return t.version=r.version,!1}const c=s.index,h=o.indexVersion,p=c?c.version:null;if(h!==p)return o.indexVersion=p,!1;if(o.drawRange.start!==s.drawRange.start||o.drawRange.count!==s.drawRange.count)return o.drawRange.start=s.drawRange.start,o.drawRange.count=s.drawRange.count,!1;if(i.morphTargetInfluences){let e=!1;for(let r=0;r<i.morphTargetInfluences.length;r++)i.morphTargetInfluences[r]!==t.morphTargetInfluences[r]&&(e=!0);if(e)return!0}return i.center&&!1===i.center.equals(t.center)?(i.center.copy(t.center),!0):(null!==e.bundle&&(i.version=e.bundle.version),!0)}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e))return!0;const{renderId:r}=t;if(this.renderId!==r)return this.renderId=r,!0;const s=!0===e.object.static,i=null!==e.bundle&&!0===e.bundle.static&&this.getRenderObjectData(e).version===e.bundle.version;if(s||i)return!1;return!0!==this.equals(e)}}function ps(e,t=0){let r=3735928559^t,s=1103547991^t;if(e instanceof Array)for(let t,i=0;i<e.length;i++)t=e[i],r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);else for(let t,i=0;i<e.length;i++)t=e.charCodeAt(i),r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);return r=Math.imul(r^r>>>16,2246822507),r^=Math.imul(s^s>>>13,3266489909),s=Math.imul(s^s>>>16,2246822507),s^=Math.imul(r^r>>>13,3266489909),4294967296*(2097151&s)+(r>>>0)}const gs=e=>ps(e),ms=e=>ps(e),fs=(...e)=>ps(e);function ys(e,t=!1){const r=[];!0===e.isNode&&(r.push(e.id),e=e.getSelf());for(const{property:s,childNode:i}of xs(e))r.push(ps(s.slice(0,-4)),i.getCacheKey(t));return ps(r)}function*xs(e,t=!1){for(const r in e){if(!0===r.startsWith("_"))continue;const s=e[r];if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&(!0===i.isNode||t&&"function"==typeof i.toJSON)&&(yield{property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)yield{property:r,childNode:s};else if("object"==typeof s)for(const e in s){const i=s[e];i&&(!0===i.isNode||t&&"function"==typeof i.toJSON)&&(yield{property:r,index:e,childNode:i})}}}const bs=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),Ts=new WeakMap;function _s(e){return bs.get(e)}function vs(e){if(/[iu]?vec\d/.test(e))return e.startsWith("ivec")?Int32Array:e.startsWith("uvec")?Uint32Array:Float32Array;if(/mat\d/.test(e))return Float32Array;if(/float/.test(e))return Float32Array;if(/uint/.test(e))return Uint32Array;if(/int/.test(e))return Int32Array;throw new Error(`THREE.NodeUtils: Unsupported type: ${e}`)}function Ns(e){return/float|int|uint/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?9:/mat4/.test(e)?16:void console.error("THREE.TSL: Unsupported type:",e)}function Ss(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function As(a,...u){const l=a?a.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===a?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new o(...u):"bool"===a?u[0]||!1:"float"===a||"int"===a||"uint"===a?u[0]||0:"string"===a?u[0]||"":"ArrayBuffer"===a?Es(u[0]):null}function Rs(e){let t=Ts.get(e);return void 0===t&&(t={},Ts.set(e,t)),t}function Cs(e){let t="";const r=new Uint8Array(e);for(let e=0;e<r.length;e++)t+=String.fromCharCode(r[e]);return btoa(t)}function Es(e){return Uint8Array.from(atob(e),(e=>e.charCodeAt(0))).buffer}var ws=Object.freeze({__proto__:null,arrayBufferToBase64:Cs,base64ToArrayBuffer:Es,getCacheKey:ys,getDataFromObject:Rs,getLengthFromType:Ns,getNodeChildren:xs,getTypeFromLength:_s,getTypedArrayFromType:vs,getValueFromType:As,getValueType:Ss,hash:fs,hashArray:ms,hashString:gs});const Ms={VERTEX:"vertex",FRAGMENT:"fragment"},Bs={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},Fs={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},Us={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},Ps=["fragment","vertex"],Is=["setup","analyze","generate"],Ls=[...Ps,"compute"],Ds=["x","y","z","w"];let Vs=0;class Os extends a{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=Bs.NONE,this.updateBeforeType=Bs.NONE,this.updateAfterType=Bs.NONE,this.uuid=u.generateUUID(),this.version=0,this.global=!1,this.isNode=!0,this._cacheKey=null,this._cacheKeyVersion=0,Object.defineProperty(this,"id",{value:Vs++})}set needsUpdate(e){!0===e&&this.version++}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this.getSelf()),this}onFrameUpdate(e){return this.onUpdate(e,Bs.FRAME)}onRenderUpdate(e){return this.onUpdate(e,Bs.RENDER)}onObjectUpdate(e){return this.onUpdate(e,Bs.OBJECT)}onReference(e){return this.updateReference=e.bind(this.getSelf()),this}getSelf(){return this.self||this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of xs(this))yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}getCacheKey(e=!1){return!0!==(e=e||this.version!==this._cacheKeyVersion)&&null!==this._cacheKey||(this._cacheKey=fs(ys(this,e),this.customCacheKey()),this._cacheKeyVersion=this.version),this._cacheKey}customCacheKey(){return 0}getScope(){return this}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getNodeType(e){const t=e.getNodeProperties(this);return t.outputNode?t.outputNode.getNodeType(e):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e){if(1===e.increaseUsage(this)){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){console.warn("Abstract function.")}updateAfter(){console.warn("Abstract function.")}update(){console.warn("Abstract function.")}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);e.addNode(this),e.addChain(this);let s=null;const i=e.getBuildStage();if("setup"===i){this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0;const r=this.setup(e),s=r&&!0===r.isNode;for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e);s&&r.build(e),t.outputNode=r}}else if("analyze"===i)this.analyze(e);else if("generate"===i){if(1===this.generate.length){const r=this.getNodeType(e),i=e.getDataFromNode(this);s=i.snippet,void 0===s?(s=this.generate(e)||"",i.snippet=s):void 0!==i.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),s=e.format(s,r,t)}else s=this.generate(e,t)||""}return e.removeChain(this),e.addSequentialNode(this),s}getSerializeChildren(){return xs(this)}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.6,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}class Gs extends Os{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}getNodeType(e){return this.node.getElementType(e)}generate(e){return`${this.node.build(e)}[ ${this.indexNode.build(e,"uint")} ]`}}class ks extends Os{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}getNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class zs extends Os{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),o=e.getPropertyName(n);return e.addLineFlowCode(`${o} = ${i}`,this),s.snippet=i,s.propertyName=o,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class $s extends zs{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}getNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce(((t,r)=>t+e.getTypeLength(r.getNodeType(e))),0))}generate(e,t){const r=this.getNodeType(e),s=this.nodes,i=e.getComponentType(r),n=[];for(const t of s){let r=t.build(e);const s=e.getComponentType(t.getNodeType(e));s!==i&&(r=e.format(r,s,i)),n.push(r)}const o=`${e.getType(r)}( ${n.join(", ")} )`;return e.format(o,r,t)}}const Ws=Ds.join("");class Hs extends Os{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(Ds.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}getNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const o=r.build(e,n);i=this.components.length===s&&this.components===Ws.slice(0,this.components.length)?e.format(o,n,t):e.format(`${o}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class js extends zs{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),o=e.getTypeFromLength(r.length,n),a=s.build(e,o),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=Ds[e];t===r[0]?(d.push(a),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class qs extends zs{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),o=e.getPropertyName(n);e.addLineFlowCode(o+" = "+i,this);const a=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<a;e++){const r=Ds[e];r===t[l]?(u.push("1.0 - "+o+"."+r),l++):u.push(o+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class Xs extends Os{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}getNodeType(){return null===this.nodeType?Ss(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=Ss(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=Cs(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?As(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){console.warn("Abstract function.")}}const Ks=/float|u?int/;class Ys extends Xs{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return Ks.test(r)&&Ks.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),r,t)}}let Qs=null;const Zs=new Map;function Js(e,t){if(Zs.has(e))console.warn(`Redefinition of method chaining ${e}`);else{if("function"!=typeof t)throw new Error(`Node element ${e} is not a function`);Zs.set(e,t)}}const ei=e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"),ti=e=>ei(e).split("").sort().join(""),ri={setup(e,t){const r=t.shift();return e(Ci(r),...t)},get(e,t,r){if("string"==typeof t&&void 0===e[t]){if(!0!==e.isStackNode&&"assign"===t)return(...e)=>(Qs.assign(r,...e),r);if(Zs.has(t)){const s=Zs.get(t);return e.isStackNode?(...e)=>r.add(s(...e)):(...e)=>s(r,...e)}if("self"===t)return e;if(t.endsWith("Assign")&&Zs.has(t.slice(0,t.length-6))){const s=Zs.get(t.slice(0,t.length-6));return e.isStackNode?(...e)=>r.assign(e[0],s(...e)):(...e)=>r.assign(s(r,...e))}if(!0===/^[xyzwrgbastpq]{1,4}$/.test(t))return t=ei(t),Ri(new Hs(r,t));if(!0===/^set[XYZWRGBASTPQ]{1,4}$/.test(t))return t=ti(t.slice(3).toLowerCase()),r=>Ri(new js(e,t,r));if(!0===/^flip[XYZWRGBASTPQ]{1,4}$/.test(t))return t=ti(t.slice(4).toLowerCase()),()=>Ri(new qs(Ri(e),t));if("width"===t||"height"===t||"depth"===t)return"width"===t?t="x":"height"===t?t="y":"depth"===t&&(t="z"),Ri(new Hs(e,t));if(!0===/^\d+$/.test(t))return Ri(new Gs(r,new Ys(Number(t),"uint")))}return Reflect.get(e,t,r)},set:(e,t,r,s)=>"string"!=typeof t||void 0!==e[t]||!0!==/^[xyzwrgbastpq]{1,4}$/.test(t)&&"width"!==t&&"height"!==t&&"depth"!==t&&!0!==/^\d+$/.test(t)?Reflect.set(e,t,r,s):(s[t].assign(r),!0)},si=new WeakMap,ii=new WeakMap,ni=function(e,t=null){for(const r in e)e[r]=Ri(e[r],t);return e},oi=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=Ri(e[s],t);return e},ai=function(e,t=null,r=null,s=null){const i=e=>Ri(null!==s?Object.assign(e,s):e);return null===t?(...t)=>i(new e(...Ei(t))):null!==r?(r=Ri(r),(...s)=>i(new e(t,...Ei(s),r))):(...r)=>i(new e(t,...Ei(r)))},ui=function(e,...t){return Ri(new e(...Ei(t)))};class li extends Os{constructor(e,t){super(),this.shaderNode=e,this.inputNodes=t}getNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}call(e){const{shaderNode:t,inputNodes:r}=this,s=e.getNodeProperties(t);if(s.onceOutput)return s.onceOutput;let i=null;if(t.layout){let s=ii.get(e.constructor);void 0===s&&(s=new WeakMap,ii.set(e.constructor,s));let n=s.get(t);void 0===n&&(n=Ri(e.buildFunctionNode(t)),s.set(t,n)),null!==e.currentFunctionNode&&e.currentFunctionNode.includes.push(n),i=Ri(n.call(r))}else{const s=t.jsFunc,n=null!==r||s.length>1?s(r||[],e):s(e);i=Ri(n)}return t.once&&(s.onceOutput=i),i}getOutputNode(e){const t=e.getNodeProperties(this);return null===t.outputNode&&(t.outputNode=this.setupOutput(e)),t.outputNode}setup(e){return this.getOutputNode(e)}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}generate(e,t){return this.getOutputNode(e).build(e,t)}}class di extends Os{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}call(e=null){return Ci(e),Ri(new li(this,e))}setup(){return this.call()}}const ci=[!1,!0],hi=[0,1,2,3],pi=[-1,-2],gi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],mi=new Map;for(const e of ci)mi.set(e,new Ys(e));const fi=new Map;for(const e of hi)fi.set(e,new Ys(e,"uint"));const yi=new Map([...fi].map((e=>new Ys(e.value,"int"))));for(const e of pi)yi.set(e,new Ys(e,"int"));const xi=new Map([...yi].map((e=>new Ys(e.value))));for(const e of gi)xi.set(e,new Ys(e));for(const e of gi)xi.set(-e,new Ys(-e));const bi={bool:mi,uint:fi,ints:yi,float:xi},Ti=new Map([...mi,...xi]),_i=(e,t)=>Ti.has(e)?Ti.get(e):!0===e.isNode?e:new Ys(e,t),vi=function(e,t=null){return(...r)=>{if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every((e=>"object"!=typeof e)))&&(r=[As(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return Ri(t.get(r[0]));if(1===r.length){const t=_i(r[0],e);return(e=>{try{return e.getNodeType()}catch(e){return}})(t)===e?Ri(t):Ri(new ks(t,e))}const s=r.map((e=>_i(e)));return Ri(new $s(s,e))}},Ni=e=>"object"==typeof e&&null!==e?e.value:e,Si=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function Ai(e,t){return new Proxy(new di(e,t),ri)}const Ri=(e,t=null)=>function(e,t=null){const r=Ss(e);if("node"===r){let t=si.get(e);return void 0===t&&(t=new Proxy(e,ri),si.set(e,t),si.set(t,t)),t}return null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?Ri(_i(e,t)):"shader"===r?Bi(e):e}(e,t),Ci=(e,t=null)=>new ni(e,t),Ei=(e,t=null)=>new oi(e,t),wi=(...e)=>new ai(...e),Mi=(...e)=>new ui(...e),Bi=(e,t)=>{const r=new Ai(e,t),s=(...e)=>{let t;return Ci(e),t=e[0]&&e[0].isNode?[...e]:e[0],r.call(t)};return s.shaderNode=r,s.setLayout=e=>(r.setLayout(e),s),s.once=()=>(r.once=!0,s),s};Js("toGlobal",(e=>(e.global=!0,e)));const Fi=e=>{Qs=e},Ui=()=>Qs,Pi=(...e)=>Qs.If(...e);function Ii(e){return Qs&&Qs.add(e),e}Js("append",Ii);const Li=new vi("color"),Di=new vi("float",bi.float),Vi=new vi("int",bi.ints),Oi=new vi("uint",bi.uint),Gi=new vi("bool",bi.bool),ki=new vi("vec2"),zi=new vi("ivec2"),$i=new vi("uvec2"),Wi=new vi("bvec2"),Hi=new vi("vec3"),ji=new vi("ivec3"),qi=new vi("uvec3"),Xi=new vi("bvec3"),Ki=new vi("vec4"),Yi=new vi("ivec4"),Qi=new vi("uvec4"),Zi=new vi("bvec4"),Ji=new vi("mat2"),en=new vi("mat3"),tn=new vi("mat4");Js("toColor",Li),Js("toFloat",Di),Js("toInt",Vi),Js("toUint",Oi),Js("toBool",Gi),Js("toVec2",ki),Js("toIVec2",zi),Js("toUVec2",$i),Js("toBVec2",Wi),Js("toVec3",Hi),Js("toIVec3",ji),Js("toUVec3",qi),Js("toBVec3",Xi),Js("toVec4",Ki),Js("toIVec4",Yi),Js("toUVec4",Qi),Js("toBVec4",Zi),Js("toMat2",Ji),Js("toMat3",en),Js("toMat4",tn);const rn=wi(Gs),sn=(e,t)=>Ri(new ks(Ri(e),t));Js("element",rn),Js("convert",sn);class nn extends zs{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getNodeType(e){return null===this.nodeType&&(this.nodeType=this.values[0].getNodeType(e)),this.nodeType}getElementType(e){return this.getNodeType(e)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const on=(...e)=>{let t;if(1===e.length){const r=e[0];t=new nn(null,r.length,r)}else{const r=e[0],s=e[1];t=new nn(r,s)}return Ri(t)};Js("toArray",((e,t)=>on(Array(t).fill(e))));class an extends Os{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1){super("string"),this.name=e,this.shared=t,this.order=r,this.isUniformGroup=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const un=e=>new an(e),ln=(e,t=0)=>new an(e,!0,t),dn=ln("frame"),cn=ln("render"),hn=un("object");class pn extends Xs{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=hn}label(e){return this.name=e,this}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){const r=this.getSelf();return e=e.bind(r),super.onUpdate((t=>{const s=e(t,r);void 0!==s&&(this.value=s)}),t)}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),o=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.label),a=e.getPropertyName(o);return void 0!==e.context.label&&delete e.context.label,e.format(a,r,t)}}const gn=(e,t)=>{const r=Si(t||e),s=e&&!0===e.isNode?e.node&&e.node.value||e.value:e;return Ri(new pn(s,r))};class mn extends Os{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1){super(e),this.name=t,this.varying=r,this.isPropertyNode=!0}getHash(e){return this.name||super.getHash(e)}isGlobal(){return!0}generate(e){let t;return!0===this.varying?(t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0):t=e.getVarFromNode(this,this.name),e.getPropertyName(t)}}const fn=(e,t)=>Ri(new mn(e,t)),yn=(e,t)=>Ri(new mn(e,t,!0)),xn=Mi(mn,"vec4","DiffuseColor"),bn=Mi(mn,"vec3","EmissiveColor"),Tn=Mi(mn,"float","Roughness"),_n=Mi(mn,"float","Metalness"),vn=Mi(mn,"float","Clearcoat"),Nn=Mi(mn,"float","ClearcoatRoughness"),Sn=Mi(mn,"vec3","Sheen"),An=Mi(mn,"float","SheenRoughness"),Rn=Mi(mn,"float","Iridescence"),Cn=Mi(mn,"float","IridescenceIOR"),En=Mi(mn,"float","IridescenceThickness"),wn=Mi(mn,"float","AlphaT"),Mn=Mi(mn,"float","Anisotropy"),Bn=Mi(mn,"vec3","AnisotropyT"),Fn=Mi(mn,"vec3","AnisotropyB"),Un=Mi(mn,"color","SpecularColor"),Pn=Mi(mn,"float","SpecularF90"),In=Mi(mn,"float","Shininess"),Ln=Mi(mn,"vec4","Output"),Dn=Mi(mn,"float","dashSize"),Vn=Mi(mn,"float","gapSize"),On=Mi(mn,"float","pointWidth"),Gn=Mi(mn,"float","IOR"),kn=Mi(mn,"float","Transmission"),zn=Mi(mn,"float","Thickness"),$n=Mi(mn,"float","AttenuationDistance"),Wn=Mi(mn,"color","AttenuationColor"),Hn=Mi(mn,"float","Dispersion");class jn extends zs{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t}hasDependencies(){return!1}getNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return Ds.join("").slice(0,r)!==t.components}return!1}generate(e,t){const{targetNode:r,sourceNode:s}=this,i=this.needsSplitAssign(e),n=r.getNodeType(e),o=r.context({assign:!0}).build(e),a=s.build(e,n),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=o);else if(i){const s=e.getVarFromNode(this,null,n),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${a}`,this);const u=r.node.context({assign:!0}).build(e);for(let t=0;t<r.components.length;t++){const s=r.components[t];e.addLineFlowCode(`${u}.${s} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=o)}else d=`${o} = ${a}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=o));return l.initialized=!0,e.format(d,n,t)}}const qn=wi(jn);Js("assign",qn);class Xn extends zs{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}getNodeType(e){return this.functionNode.getNodeType(e)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i))for(let e=0;e<i.length;e++)t.push(n(i[e],s[e]));else for(const e of s){const r=i[e.name];if(void 0===r)throw new Error(`FunctionCallNode: Input '${e.name}' not found in FunctionNode.`);t.push(n(r,e))}return`${r.build(e,"property")}( ${t.join(", ")} )`}}const Kn=(e,...t)=>(t=t.length>1||t[0]&&!0===t[0].isNode?Ei(t):Ci(t[0]),Ri(new Xn(Ri(e),t)));Js("call",Kn);class Yn extends zs{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new Yn(e,t,r);for(let t=0;t<s.length-1;t++)i=new Yn(e,i,s[t]);t=i,r=s[s.length-1]}this.op=e,this.aNode=t,this.bNode=r,this.isOperatorNode=!0}getNodeType(e,t){const r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),o=void 0!==i?i.getNodeType(e):null;if("void"===n||"void"===o)return"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("!"===r||"=="===r||"&&"===r||"||"===r||"^^"===r)return"bool";if("<"===r||">"===r||"<="===r||">="===r){const r=t?e.getTypeLength(t):Math.max(e.getTypeLength(n),e.getTypeLength(o));return r>1?`bvec${r}`:"bool"}if(e.isMatrix(n)){if("float"===o)return n;if(e.isVector(o))return e.getVectorFromMatrix(n);if(e.isMatrix(o))return n}else if(e.isMatrix(o)){if("float"===n)return o;if(e.isVector(n))return e.getVectorFromMatrix(o)}return e.getTypeLength(o)>e.getTypeLength(n)?o:n}generate(e,t){const r=this.op,s=this.aNode,i=this.bNode,n=this.getNodeType(e,t);let o=null,a=null;"void"!==n?(o=s.getNodeType(e),a=void 0!==i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r?e.isVector(o)?a=o:o!==a&&(o=a="float"):">>"===r||"<<"===r?(o=n,a=e.changeComponentType(a,"uint")):e.isMatrix(o)?"float"===a?a="float":e.isVector(a)?a=e.getVectorFromMatrix(o):e.isMatrix(a)||(o=a=n):o=e.isMatrix(a)?"float"===o?"float":e.isVector(o)?e.getVectorFromMatrix(a):a=n:a=n):o=a=n;const u=s.build(e,o),l=void 0!==i?i.build(e,a):null,d=e.getTypeLength(t),c=e.getFunctionOperator(r);return"void"!==t?"<"===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("lessThan",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} < ${l} )`,n,t):"<="===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("lessThanEqual",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} <= ${l} )`,n,t):">"===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("greaterThan",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} > ${l} )`,n,t):">="===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("greaterThanEqual",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} >= ${l} )`,n,t):"!"===r||"~"===r?e.format(`(${r}${u})`,o,t):c?e.format(`${c}( ${u}, ${l} )`,n,t):e.isMatrix(o)&&"float"===a?e.format(`( ${l} ${r} ${u} )`,n,t):"float"===o&&e.isMatrix(a)?e.format(`${u} ${r} ${l}`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t):"void"!==o?c?e.format(`${c}( ${u}, ${l} )`,n,t):e.isMatrix(o)&&"float"===a?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t):void 0}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Qn=wi(Yn,"+"),Zn=wi(Yn,"-"),Jn=wi(Yn,"*"),eo=wi(Yn,"/"),to=wi(Yn,"%"),ro=wi(Yn,"=="),so=wi(Yn,"!="),io=wi(Yn,"<"),no=wi(Yn,">"),oo=wi(Yn,"<="),ao=wi(Yn,">="),uo=wi(Yn,"&&"),lo=wi(Yn,"||"),co=wi(Yn,"!"),ho=wi(Yn,"^^"),po=wi(Yn,"&"),go=wi(Yn,"~"),mo=wi(Yn,"|"),fo=wi(Yn,"^"),yo=wi(Yn,"<<"),xo=wi(Yn,">>");Js("add",Qn),Js("sub",Zn),Js("mul",Jn),Js("div",eo),Js("modInt",to),Js("equal",ro),Js("notEqual",so),Js("lessThan",io),Js("greaterThan",no),Js("lessThanEqual",oo),Js("greaterThanEqual",ao),Js("and",uo),Js("or",lo),Js("not",co),Js("xor",ho),Js("bitAnd",po),Js("bitNot",go),Js("bitOr",mo),Js("bitXor",fo),Js("shiftLeft",yo),Js("shiftRight",xo);const bo=(...e)=>(console.warn("TSL.OperatorNode: .remainder() has been renamed to .modInt()."),to(...e));Js("remainder",bo);class To extends zs{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){super(),this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),o=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>o?t:n>o?r:o>i?s:t}getNodeType(e){const t=this.method;return t===To.LENGTH||t===To.DISTANCE||t===To.DOT?"float":t===To.CROSS?"vec3":t===To.ALL?"bool":t===To.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):t===To.MOD?this.aNode.getNodeType(e):this.getInputType(e)}generate(e,t){let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,o=this.bNode,a=this.cNode,u=e.renderer.coordinateSystem;if(r===To.TRANSFORM_DIRECTION){let r=n,s=o;e.isMatrix(r.getNodeType(e))?s=Ki(Hi(s),0):r=Ki(Hi(r),0);const i=Jn(r,s).xyz;return Do(i).build(e,t)}if(r===To.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);if(r===To.ONE_MINUS)return Zn(1,n).build(e,t);if(r===To.RECIPROCAL)return eo(1,n).build(e,t);if(r===To.DIFFERENCE)return Ho(Zn(n,o)).build(e,t);{const c=[];return r===To.CROSS||r===To.MOD?c.push(n.build(e,s),o.build(e,s)):u===l&&r===To.STEP?c.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),o.build(e,i)):u===l&&(r===To.MIN||r===To.MAX)||r===To.MOD?c.push(n.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):r===To.REFRACT?c.push(n.build(e,i),o.build(e,i),a.build(e,"float")):r===To.MIX?c.push(n.build(e,i),o.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)):(u===d&&r===To.ATAN&&null!==o&&(r="atan2"),c.push(n.build(e,i)),null!==o&&c.push(o.build(e,i)),null!==a&&c.push(a.build(e,i))),e.format(`${e.getMethod(r,s)}( ${c.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}To.ALL="all",To.ANY="any",To.RADIANS="radians",To.DEGREES="degrees",To.EXP="exp",To.EXP2="exp2",To.LOG="log",To.LOG2="log2",To.SQRT="sqrt",To.INVERSE_SQRT="inversesqrt",To.FLOOR="floor",To.CEIL="ceil",To.NORMALIZE="normalize",To.FRACT="fract",To.SIN="sin",To.COS="cos",To.TAN="tan",To.ASIN="asin",To.ACOS="acos",To.ATAN="atan",To.ABS="abs",To.SIGN="sign",To.LENGTH="length",To.NEGATE="negate",To.ONE_MINUS="oneMinus",To.DFDX="dFdx",To.DFDY="dFdy",To.ROUND="round",To.RECIPROCAL="reciprocal",To.TRUNC="trunc",To.FWIDTH="fwidth",To.TRANSPOSE="transpose",To.BITCAST="bitcast",To.EQUALS="equals",To.MIN="min",To.MAX="max",To.MOD="mod",To.STEP="step",To.REFLECT="reflect",To.DISTANCE="distance",To.DIFFERENCE="difference",To.DOT="dot",To.CROSS="cross",To.POW="pow",To.TRANSFORM_DIRECTION="transformDirection",To.MIX="mix",To.CLAMP="clamp",To.REFRACT="refract",To.SMOOTHSTEP="smoothstep",To.FACEFORWARD="faceforward";const _o=Di(1e-6),vo=Di(1e6),No=Di(Math.PI),So=Di(2*Math.PI),Ao=wi(To,To.ALL),Ro=wi(To,To.ANY),Co=wi(To,To.RADIANS),Eo=wi(To,To.DEGREES),wo=wi(To,To.EXP),Mo=wi(To,To.EXP2),Bo=wi(To,To.LOG),Fo=wi(To,To.LOG2),Uo=wi(To,To.SQRT),Po=wi(To,To.INVERSE_SQRT),Io=wi(To,To.FLOOR),Lo=wi(To,To.CEIL),Do=wi(To,To.NORMALIZE),Vo=wi(To,To.FRACT),Oo=wi(To,To.SIN),Go=wi(To,To.COS),ko=wi(To,To.TAN),zo=wi(To,To.ASIN),$o=wi(To,To.ACOS),Wo=wi(To,To.ATAN),Ho=wi(To,To.ABS),jo=wi(To,To.SIGN),qo=wi(To,To.LENGTH),Xo=wi(To,To.NEGATE),Ko=wi(To,To.ONE_MINUS),Yo=wi(To,To.DFDX),Qo=wi(To,To.DFDY),Zo=wi(To,To.ROUND),Jo=wi(To,To.RECIPROCAL),ea=wi(To,To.TRUNC),ta=wi(To,To.FWIDTH),ra=wi(To,To.TRANSPOSE),sa=wi(To,To.BITCAST),ia=wi(To,To.EQUALS),na=wi(To,To.MIN),oa=wi(To,To.MAX),aa=wi(To,To.MOD),ua=wi(To,To.STEP),la=wi(To,To.REFLECT),da=wi(To,To.DISTANCE),ca=wi(To,To.DIFFERENCE),ha=wi(To,To.DOT),pa=wi(To,To.CROSS),ga=wi(To,To.POW),ma=wi(To,To.POW,2),fa=wi(To,To.POW,3),ya=wi(To,To.POW,4),xa=wi(To,To.TRANSFORM_DIRECTION),ba=e=>Jn(jo(e),ga(Ho(e),1/3)),Ta=e=>ha(e,e),_a=wi(To,To.MIX),va=(e,t=0,r=1)=>Ri(new To(To.CLAMP,Ri(e),Ri(t),Ri(r))),Na=e=>va(e),Sa=wi(To,To.REFRACT),Aa=wi(To,To.SMOOTHSTEP),Ra=wi(To,To.FACEFORWARD),Ca=Bi((([e])=>{const t=ha(e.xy,ki(12.9898,78.233)),r=aa(t,No);return Vo(Oo(r).mul(43758.5453))})),Ea=(e,t,r)=>_a(t,r,e),wa=(e,t,r)=>Aa(t,r,e),Ma=(e,t)=>(console.warn('THREE.TSL: "atan2" is overloaded. Use "atan" instead.'),Wo(e,t)),Ba=Ra,Fa=Po;Js("all",Ao),Js("any",Ro),Js("equals",ia),Js("radians",Co),Js("degrees",Eo),Js("exp",wo),Js("exp2",Mo),Js("log",Bo),Js("log2",Fo),Js("sqrt",Uo),Js("inverseSqrt",Po),Js("floor",Io),Js("ceil",Lo),Js("normalize",Do),Js("fract",Vo),Js("sin",Oo),Js("cos",Go),Js("tan",ko),Js("asin",zo),Js("acos",$o),Js("atan",Wo),Js("abs",Ho),Js("sign",jo),Js("length",qo),Js("lengthSq",Ta),Js("negate",Xo),Js("oneMinus",Ko),Js("dFdx",Yo),Js("dFdy",Qo),Js("round",Zo),Js("reciprocal",Jo),Js("trunc",ea),Js("fwidth",ta),Js("atan2",Ma),Js("min",na),Js("max",oa),Js("mod",aa),Js("step",ua),Js("reflect",la),Js("distance",da),Js("dot",ha),Js("cross",pa),Js("pow",ga),Js("pow2",ma),Js("pow3",fa),Js("pow4",ya),Js("transformDirection",xa),Js("mix",Ea),Js("clamp",va),Js("refract",Sa),Js("smoothstep",wa),Js("faceForward",Ra),Js("difference",ca),Js("saturate",Na),Js("cbrt",ba),Js("transpose",ra),Js("rand",Ca);class Ua extends Os{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}getNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return this.setup(e),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode.cache(),r=this.ifNode.cache(),s=this.elseNode?this.elseNode.cache():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.getNodeProperties(this);n.condNode=t,n.ifNode=r.context({nodeBlock:r}),n.elseNode=s?s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:o}=e.getNodeProperties(this),a="void"!==t,u=a?fn(r).build(e):"";s.nodeProperty=u;const l=i.build(e,"bool");e.addFlowCode(`\n${e.tab}if ( ${l} ) {\n\n`).addFlowTab();let d=n.build(e,r);if(d&&(d=a?u+" = "+d+";":"return "+d+";"),e.removeFlowTab().addFlowCode(e.tab+"\t"+d+"\n\n"+e.tab+"}"),null!==o){e.addFlowCode(" else {\n\n").addFlowTab();let t=o.build(e,r);t&&(t=a?u+" = "+t+";":"return "+t+";"),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(u,r,t)}}const Pa=wi(Ua);Js("select",Pa);const Ia=(...e)=>(console.warn("TSL.ConditionalNode: cond() has been renamed to select()."),Pa(...e));Js("cond",Ia);class La extends Os{static get type(){return"ContextNode"}constructor(e,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}getNodeType(e){return this.node.getNodeType(e)}analyze(e){this.node.build(e)}setup(e){const t=e.getContext();e.setContext({...e.context,...this.value});const r=this.node.build(e);return e.setContext(t),r}generate(e,t){const r=e.getContext();e.setContext({...e.context,...this.value});const s=this.node.build(e,t);return e.setContext(r),s}}const Da=wi(La),Va=(e,t)=>Da(e,{label:t});Js("context",Da),Js("label",Va);class Oa extends Os{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r}getHash(e){return this.name||super.getHash(e)}getElementType(e){return this.node.getElementType(e)}getNodeType(e){return this.node.getNodeType(e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let o=!1,a=!1;s&&(o=e.isDeterministic(t),a=n?s:o);const u=e.getVectorType(this.getNodeType(e)),l=t.build(e,u),d=e.getVarFromNode(this,r,u,void 0,a),c=e.getPropertyName(d);let h=c;if(a)if(n)h=o?`const ${c}`:`let ${c}`;else{const r=e.getArrayCount(t);h=`const ${e.getVar(d.type,c,r)}`}return e.addLineFlowCode(`${h} = ${l}`,this),c}}const Ga=wi(Oa),ka=(e,t=null)=>Ga(e,t).append(),za=(e,t=null)=>Ga(e,t,!0).append();Js("toVar",ka),Js("toConst",za);const $a=e=>(console.warn('TSL: "temp( node )" is deprecated. Use "Var( node )" or "node.toVar()" instead.'),Ga(e));Js("temp",$a);class Wa extends Os{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=e,this.name=t,this.isVaryingNode=!0}isGlobal(){return!0}getHash(e){return this.name||super.getHash(e)}getNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e);t.varying=r=e.getVaryingFromNode(this,s,i),t.node=this.node}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e)}analyze(e){return this.setupVarying(e),this.node.analyze(e)}generate(e){const t=e.getNodeProperties(this),r=this.setupVarying(e),s="fragment"===e.shaderStage&&!0===t.reassignPosition&&e.context.needsPositionReassign;if(void 0===t.propertyName||s){const i=this.getNodeType(e),n=e.getPropertyName(r,Ms.VERTEX);e.flowNodeFromShaderStage(Ms.VERTEX,this.node,i,n),t.propertyName=n,s?t.reassignPosition=!1:void 0===t.reassignPosition&&e.context.isPositionNodeInput&&(t.reassignPosition=!0)}return e.getPropertyName(r)}}const Ha=wi(Wa),ja=e=>Ha(e);Js("toVarying",Ha),Js("toVertexStage",ja),Js("varying",((...e)=>(console.warn("TSL.VaryingNode: .varying() has been renamed to .toVarying()."),Ha(...e)))),Js("vertexStage",((...e)=>(console.warn("TSL.VaryingNode: .vertexStage() has been renamed to .toVertexStage()."),Ha(...e))));const qa=Bi((([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return _a(t,r,s)})).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Xa=Bi((([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return _a(t,r,s)})).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Ka="WorkingColorSpace",Ya="OutputColorSpace";class Qa extends zs{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===Ka?c.workingColorSpace:t===Ya?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==c.enabled&&r!==s&&r&&s?(c.getTransfer(r)===h&&(i=Ki(qa(i.rgb),i.a)),c.getPrimaries(r)!==c.getPrimaries(s)&&(i=Ki(en(c._getMatrix(new n,r,s)).mul(i.rgb),i.a)),c.getTransfer(s)===h&&(i=Ki(Xa(i.rgb),i.a)),i):i}}const Za=e=>Ri(new Qa(Ri(e),Ka,Ya)),Ja=e=>Ri(new Qa(Ri(e),Ya,Ka)),eu=(e,t)=>Ri(new Qa(Ri(e),Ka,t)),tu=(e,t)=>Ri(new Qa(Ri(e),t,Ka));Js("toOutputColorSpace",Za),Js("toWorkingColorSpace",Ja),Js("workingToColorSpace",eu),Js("colorSpaceToWorking",tu);let ru=class extends Gs{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class su extends Os{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=Bs.OBJECT}setGroup(e){return this.group=e,this}element(e){return Ri(new ru(this,Ri(e)))}setNodeType(e){const t=gn(null,e).getSelf();null!==this.group&&t.setGroup(this.group),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class iu extends su{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(cn)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const nu=(e,t,r=null)=>Ri(new iu(e,t,r));class ou extends zs{static get type(){return"ToneMappingNode"}constructor(e,t=uu,r=null){super("vec3"),this.toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return fs(this.toneMapping)}setup(e){const t=this.colorNode||e.context.color,r=this.toneMapping;if(r===p)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=Ki(i(t.rgb,this.exposureNode),t.a):(console.error("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const au=(e,t,r)=>Ri(new ou(e,Ri(t),Ri(r))),uu=nu("toneMappingExposure","float");Js("toneMapping",((e,t,r)=>au(t,r,e)));class lu extends Xs{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=g,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){if(0===this.bufferStride&&0===this.bufferOffset){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=this.value,s=e.getTypeLength(t),i=this.bufferStride||s,n=this.bufferOffset,o=!0===r.isInterleavedBuffer?r:new m(r,i),a=new y(o,s,n);o.setUsage(this.usage),this.attribute=a,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.getBufferAttributeFromNode(this,t),s=e.getPropertyName(r);let i=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=s,i=s;else{i=Ha(this).build(e,t)}return i}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}const du=(e,t=null,r=0,s=0)=>Ri(new lu(e,t,r,s)),cu=(e,t=null,r=0,s=0)=>du(e,t,r,s).setUsage(f),hu=(e,t=null,r=0,s=0)=>du(e,t,r,s).setInstanced(!0),pu=(e,t=null,r=0,s=0)=>cu(e,t,r,s).setInstanced(!0);Js("toAttribute",(e=>du(e.value)));class gu extends Os{static get type(){return"ComputeNode"}constructor(e,t,r=[64]){super("void"),this.isComputeNode=!0,this.computeNode=e,this.count=t,this.workgroupSize=r,this.dispatchCount=0,this.version=1,this.name="",this.updateBeforeType=Bs.OBJECT,this.onInitFunction=null,this.updateDispatchCount()}dispose(){this.dispatchEvent({type:"dispose"})}label(e){return this.name=e,this}updateDispatchCount(){const{count:e,workgroupSize:t}=this;let r=t[0];for(let e=1;e<t.length;e++)r*=t[e];this.dispatchCount=Math.ceil(e/r)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}generate(e){const{shaderStage:t}=e;if("compute"===t){const t=this.computeNode.build(e,"void");""!==t&&e.addLineFlowCode(t,this)}}}const mu=(e,t,r)=>Ri(new gu(Ri(e),t,r));Js("compute",mu);class fu extends Os{static get type(){return"CacheNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isCacheNode=!0}getNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}}const yu=(e,t)=>Ri(new fu(Ri(e),t));Js("cache",yu);class xu extends Os{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}getNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const bu=wi(xu);Js("bypass",bu);class Tu extends Os{static get type(){return"RemapNode"}constructor(e,t,r,s=Di(0),i=Di(1)){super(),this.node=e,this.inLowNode=t,this.inHighNode=r,this.outLowNode=s,this.outHighNode=i,this.doClamp=!0}setup(){const{node:e,inLowNode:t,inHighNode:r,outLowNode:s,outHighNode:i,doClamp:n}=this;let o=e.sub(t).div(r.sub(t));return!0===n&&(o=o.clamp()),o.mul(i.sub(s)).add(s)}}const _u=wi(Tu,null,null,{doClamp:!1}),vu=wi(Tu);Js("remap",_u),Js("remapClamp",vu);class Nu extends Os{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(`( ${s} )`,r,t);e.addLineFlowCode(s,this)}}const Su=wi(Nu),Au=e=>(e?Pa(e,Su("discard")):Su("discard")).append();Js("discard",Au);class Ru extends zs{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setup({context:e}){let t=this.colorNode||e.color;const r=(null!==this.toneMapping?this.toneMapping:e.toneMapping)||p,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||x;return r!==p&&(t=t.toneMapping(r)),s!==x&&s!==c.workingColorSpace&&(t=t.workingToColorSpace(s)),t}}const Cu=(e,t=null,r=null)=>Ri(new Ru(Ri(e),t,r));Js("renderOutput",Cu);class Eu extends Os{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}getNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return Ha(this).build(e,r)}return console.warn(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const wu=(e,t)=>Ri(new Eu(e,t)),Mu=(e=0)=>wu("uv"+(e>0?e:""),"vec2");class Bu extends Os{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const Fu=wi(Bu);class Uu extends pn{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=Bs.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Pu=wi(Uu);class Iu extends pn{static get type(){return"TextureNode"}constructor(e,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=Bs.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return!0===this.value.isDepthTexture?"float":this.value.type===b?"uvec4":this.value.type===T?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return Mu(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=gn(this.value.matrix)),this._matrixUniform.mul(Hi(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this.updateType=e?Bs.RENDER:Bs.NONE,this}setupUV(e,t){const r=this.value;return e.isFlipY()&&(r.image instanceof ImageBitmap&&!0===r.flipY||!0===r.isRenderTargetTexture||!0===r.isFramebufferTexture||!0===r.isDepthTexture)&&(t=this.sampler?t.flipY():t.setY(Vi(Fu(this,this.levelNode).y).sub(t.y).sub(1))),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Error("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().");let s=this.uvNode;null!==s&&!0!==e.context.forceUVContext||!e.context.getUV||(s=e.context.getUV(this)),s||(s=this.getDefaultUV()),!0===this.updateMatrix&&(s=this.getTransformedUV(s)),s=this.setupUV(e,s);let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this)),t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=this.compareNode,t.gradNode=this.gradNode,t.depthNode=this.depthNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateSnippet(e,t,r,s,i,n,o,a){const u=this.value;let l;return l=s?e.generateTextureLevel(u,t,r,s,n):i?e.generateTextureBias(u,t,r,i,n):a?e.generateTextureGrad(u,t,r,a,n):o?e.generateTextureCompare(u,t,r,o,n):!1===this.sampler?e.generateTextureLoad(u,t,r,n):e.generateTexture(u,t,r,n),l}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if("sampler"===t)return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this);let o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:r,biasNode:a,compareNode:u,depthNode:l,gradNode:d}=s,c=this.generateUV(e,t),h=r?r.build(e,"float"):null,p=a?a.build(e,"float"):null,g=l?l.build(e,"int"):null,m=u?u.build(e,"float"):null,f=d?[d[0].build(e,"vec2"),d[1].build(e,"vec2")]:null,y=e.getVarFromNode(this);o=e.getPropertyName(y);const x=this.generateSnippet(e,i,c,h,p,g,m,f);e.addLineFlowCode(`${o} = ${x}`,this),n.snippet=x,n.propertyName=o}let a=o;const u=this.getNodeType(e);return e.needsToWorkingColorSpace(r)&&(a=tu(Su(a,u),r.colorSpace).setup(e).build(e,u)),e.format(a,u,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}uv(e){return console.warn("THREE.TextureNode: .uv() has been renamed. Use .sample() instead."),this.sample(e)}sample(e){const t=this.clone();return t.uvNode=Ri(e),t.referenceNode=this.getSelf(),Ri(t)}blur(e){const t=this.clone();return t.biasNode=Ri(e).mul(Pu(t)),t.referenceNode=this.getSelf(),Ri(t)}level(e){const t=this.clone();return t.levelNode=Ri(e),t.referenceNode=this.getSelf(),Ri(t)}size(e){return Fu(this,e)}bias(e){const t=this.clone();return t.biasNode=Ri(e),t.referenceNode=this.getSelf(),Ri(t)}compare(e){const t=this.clone();return t.compareNode=Ri(e),t.referenceNode=this.getSelf(),Ri(t)}grad(e,t){const r=this.clone();return r.gradNode=[Ri(e),Ri(t)],r.referenceNode=this.getSelf(),Ri(r)}depth(e){const t=this.clone();return t.depthNode=Ri(e),t.referenceNode=this.getSelf(),Ri(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix()}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e}}const Lu=wi(Iu),Du=(...e)=>Lu(...e).setSampler(!1);class Vu extends pn{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const Ou=(e,t,r)=>Ri(new Vu(e,t,r));class Gu extends Gs{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(),s=this.node.getPaddedType();return e.format(t,s,r)}}class ku extends Vu{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?Ss(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=Bs.RENDER,this.isArrayBufferNode=!0}getNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,super.setup(e)}element(e){return Ri(new Gu(this,Ri(e)))}}const zu=(e,t)=>Ri(new ku(e,t)),$u=gn(0,"uint").setGroup(ln("cameraIndex")).toVarying("v_cameraIndex"),Wu=gn("float").label("cameraNear").setGroup(cn).onRenderUpdate((({camera:e})=>e.near)),Hu=gn("float").label("cameraFar").setGroup(cn).onRenderUpdate((({camera:e})=>e.far)),ju=Bi((({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);t=zu(r).setGroup(cn).label("cameraProjectionMatrices").element($u).toVar("cameraProjectionMatrix")}else t=gn("mat4").label("cameraProjectionMatrix").setGroup(cn).onRenderUpdate((({camera:e})=>e.projectionMatrix));return t})).once()(),qu=gn("mat4").label("cameraProjectionMatrixInverse").setGroup(cn).onRenderUpdate((({camera:e})=>e.projectionMatrixInverse)),Xu=Bi((({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);t=zu(r).setGroup(cn).label("cameraViewMatrices").element($u).toVar("cameraViewMatrix")}else t=gn("mat4").label("cameraViewMatrix").setGroup(cn).onRenderUpdate((({camera:e})=>e.matrixWorldInverse));return t})).once()(),Ku=gn("mat4").label("cameraWorldMatrix").setGroup(cn).onRenderUpdate((({camera:e})=>e.matrixWorld)),Yu=gn("mat3").label("cameraNormalMatrix").setGroup(cn).onRenderUpdate((({camera:e})=>e.normalMatrix)),Qu=gn(new r).label("cameraPosition").setGroup(cn).onRenderUpdate((({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld)));class Zu extends Os{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=Bs.OBJECT,this._uniformNode=new pn(null)}getNodeType(){const e=this.scope;return e===Zu.WORLD_MATRIX?"mat4":e===Zu.POSITION||e===Zu.VIEW_POSITION||e===Zu.DIRECTION||e===Zu.SCALE?"vec3":void 0}update(e){const t=this.object3d,s=this._uniformNode,i=this.scope;if(i===Zu.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===Zu.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===Zu.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===Zu.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===Zu.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}}generate(e){const t=this.scope;return t===Zu.WORLD_MATRIX?this._uniformNode.nodeType="mat4":t!==Zu.POSITION&&t!==Zu.VIEW_POSITION&&t!==Zu.DIRECTION&&t!==Zu.SCALE||(this._uniformNode.nodeType="vec3"),this._uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}Zu.WORLD_MATRIX="worldMatrix",Zu.POSITION="position",Zu.SCALE="scale",Zu.VIEW_POSITION="viewPosition",Zu.DIRECTION="direction";const Ju=wi(Zu,Zu.DIRECTION),el=wi(Zu,Zu.WORLD_MATRIX),tl=wi(Zu,Zu.POSITION),rl=wi(Zu,Zu.SCALE),sl=wi(Zu,Zu.VIEW_POSITION);class il extends Zu{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const nl=Mi(il,il.DIRECTION),ol=Mi(il,il.WORLD_MATRIX),al=Mi(il,il.POSITION),ul=Mi(il,il.SCALE),ll=Mi(il,il.VIEW_POSITION),dl=gn(new n).onObjectUpdate((({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld))),cl=gn(new o).onObjectUpdate((({object:e},t)=>t.value.copy(e.matrixWorld).invert())),hl=Bi((e=>e.renderer.nodes.modelViewMatrix||pl)).once()().toVar("modelViewMatrix"),pl=Xu.mul(ol),gl=Bi((e=>(e.context.isHighPrecisionModelViewMatrix=!0,gn("mat4").onObjectUpdate((({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))))).once()().toVar("highpModelViewMatrix"),ml=Bi((e=>{const t=e.context.isHighPrecisionModelViewMatrix;return gn("mat3").onObjectUpdate((({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix))))})).once()().toVar("highpModelNormalViewMatrix"),fl=wu("position","vec3"),yl=fl.toVarying("positionLocal"),xl=fl.toVarying("positionPrevious"),bl=ol.mul(yl).xyz.toVarying("v_positionWorld").context({needsPositionReassign:!0}),Tl=yl.transformDirection(ol).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection").context({needsPositionReassign:!0}),_l=Bi((e=>e.context.setupPositionView()),"vec3").once()().toVarying("v_positionView").context({needsPositionReassign:!0}),vl=_l.negate().toVarying("v_positionViewDirection").normalize().toVar("positionViewDirection");class Nl extends Os{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){const{renderer:t,material:r}=e;return t.coordinateSystem===l&&r.side===_?"false":e.getFrontFacing()}}const Sl=Mi(Nl),Al=Di(Sl).mul(2).sub(1),Rl=wu("normal","vec3"),Cl=Bi((e=>!1===e.geometry.hasAttribute("normal")?(console.warn('TSL.NormalNode: Vertex attribute "normal" not found on geometry.'),Hi(0,1,0)):Rl),"vec3").once()().toVar("normalLocal"),El=_l.dFdx().cross(_l.dFdy()).normalize().toVar("normalFlat"),wl=Bi((e=>{let t;return t=!0===e.material.flatShading?El:Ha(Il(Cl),"v_normalView").normalize(),t}),"vec3").once()().toVar("normalView"),Ml=Ha(wl.transformDirection(Xu),"v_normalWorld").normalize().toVar("normalWorld"),Bl=Bi((e=>e.context.setupNormal().context({getUV:null})),"vec3").once()().mul(Al).toVar("transformedNormalView"),Fl=Bl.transformDirection(Xu).toVar("transformedNormalWorld"),Ul=Bi((e=>e.context.setupClearcoatNormal().context({getUV:null})),"vec3").once()().mul(Al).toVar("transformedClearcoatNormalView"),Pl=Bi((([e,t=ol])=>{const r=en(t),s=e.div(Hi(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2])));return r.mul(s).xyz})),Il=Bi((([e],t)=>{const r=t.renderer.nodes.modelNormalViewMatrix;if(null!==r)return r.transformDirection(e);const s=dl.mul(e);return Xu.transformDirection(s)})),Ll=gn(0).onReference((({material:e})=>e)).onRenderUpdate((({material:e})=>e.refractionRatio)),Dl=vl.negate().reflect(Bl),Vl=vl.negate().refract(Bl,Ll),Ol=Dl.transformDirection(Xu).toVar("reflectVector"),Gl=Vl.transformDirection(Xu).toVar("reflectVector");class kl extends Iu{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===v?Ol:e.mapping===N?Gl:(console.error('THREE.CubeTextureNode: Mapping "%s" not supported.',e.mapping),Hi(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return e.renderer.coordinateSystem!==d&&r.isRenderTargetTexture?t:Hi(t.x.negate(),t.yz)}generateUV(e,t){return t.build(e,"vec3")}}const zl=wi(kl);class $l extends Gs{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}}class Wl extends Os{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=Bs.OBJECT}element(e){return Ri(new $l(this,Ri(e)))}setGroup(e){return this.group=e,this}label(e){return this.name=e,this}setNodeType(e){let t=null;t=null!==this.count?Ou(null,e,this.count):Array.isArray(this.getValueFromReference())?zu(null,e):"texture"===e?Lu(null):"cubeTexture"===e?zl(null):gn(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.label(this.name),this.node=t.getSelf()}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const Hl=(e,t,r)=>Ri(new Wl(e,t,r)),jl=(e,t,r,s)=>Ri(new Wl(e,t,s,r));class ql extends Wl{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const Xl=(e,t,r=null)=>Ri(new ql(e,t,r)),Kl=Bi((e=>(!1===e.geometry.hasAttribute("tangent")&&e.geometry.computeTangents(),wu("tangent","vec4"))))(),Yl=Kl.xyz.toVar("tangentLocal"),Ql=hl.mul(Ki(Yl,0)).xyz.toVarying("v_tangentView").normalize().toVar("tangentView"),Zl=Ql.transformDirection(Xu).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),Jl=Ql.toVar("transformedTangentView"),ed=Jl.transformDirection(Xu).normalize().toVar("transformedTangentWorld"),td=e=>e.mul(Kl.w).xyz,rd=Ha(td(Rl.cross(Kl)),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),sd=Ha(td(Cl.cross(Yl)),"v_bitangentLocal").normalize().toVar("bitangentLocal"),id=Ha(td(wl.cross(Ql)),"v_bitangentView").normalize().toVar("bitangentView"),nd=Ha(td(Ml.cross(Zl)),"v_bitangentWorld").normalize().toVar("bitangentWorld"),od=td(Bl.cross(Jl)).normalize().toVar("transformedBitangentView"),ad=od.transformDirection(Xu).normalize().toVar("transformedBitangentWorld"),ud=en(Ql,id,wl),ld=vl.mul(ud),dd=(()=>{let e=Fn.cross(vl);return e=e.cross(Fn).normalize(),e=_a(e,Bl,Mn.mul(Tn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e})(),cd=Bi((e=>{const{eye_pos:t,surf_norm:r,mapN:s,uv:i}=e,n=t.dFdx(),o=t.dFdy(),a=i.dFdx(),u=i.dFdy(),l=r,d=o.cross(l),c=l.cross(n),h=d.mul(a.x).add(c.mul(u.x)),p=d.mul(a.y).add(c.mul(u.y)),g=h.dot(h).max(p.dot(p)),m=Al.mul(g.inverseSqrt());return Qn(h.mul(s.x,m),p.mul(s.y,m),l.mul(s.z)).normalize()}));class hd extends zs{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=S}setup(e){const{normalMapType:t,scaleNode:r}=this;let s=this.node.mul(2).sub(1);null!==r&&(s=Hi(s.xy.mul(r),s.z));let i=null;if(t===A)i=Il(s);else if(t===S){i=!0===e.hasGeometryAttribute("tangent")?ud.mul(s).normalize():cd({eye_pos:_l,surf_norm:wl,mapN:s,uv:Mu()})}return i}}const pd=wi(hd),gd=Bi((({textureNode:e,bumpScale:t})=>{const r=t=>e.cache().context({getUV:e=>t(e.uvNode||Mu()),forceUVContext:!0}),s=Di(r((e=>e)));return ki(Di(r((e=>e.add(e.dFdx())))).sub(s),Di(r((e=>e.add(e.dFdy())))).sub(s)).mul(t)})),md=Bi((e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,o=t.dFdy().normalize().cross(n),a=n.cross(i),u=i.dot(o).mul(Al),l=u.sign().mul(s.x.mul(o).add(s.y.mul(a)));return u.abs().mul(r).sub(l).normalize()}));class fd extends zs{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=gd({textureNode:this.textureNode,bumpScale:e});return md({surf_pos:_l,surf_norm:wl,dHdxy:t})}}const yd=wi(fd),xd=new Map;class bd extends Os{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=xd.get(e);return void 0===r&&(r=Xl(e,t),xd.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===bd.COLOR){const e=void 0!==t.color?this.getColor(r):Hi();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===bd.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===bd.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:Di(1);else if(r===bd.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===bd.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===bd.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===bd.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===bd.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===bd.NORMAL)t.normalMap?(s=pd(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType):s=t.bumpMap?yd(this.getTexture("bump").r,this.getFloat("bumpScale")):wl;else if(r===bd.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===bd.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===bd.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?pd(this.getTexture(r),this.getCache(r+"Scale","vec2")):wl;else if(r===bd.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===bd.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(.07,1)}else if(r===bd.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Ji(sc.x,sc.y,sc.y.negate(),sc.x).mul(e.rg.mul(2).sub(ki(1)).normalize().mul(e.b))}else s=sc;else if(r===bd.IRIDESCENCE_THICKNESS){const e=Hl("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=Hl("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===bd.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===bd.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===bd.IOR)s=this.getFloat(r);else if(r===bd.LIGHT_MAP)s=this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity"));else if(r===bd.AO)s=this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}bd.ALPHA_TEST="alphaTest",bd.COLOR="color",bd.OPACITY="opacity",bd.SHININESS="shininess",bd.SPECULAR="specular",bd.SPECULAR_STRENGTH="specularStrength",bd.SPECULAR_INTENSITY="specularIntensity",bd.SPECULAR_COLOR="specularColor",bd.REFLECTIVITY="reflectivity",bd.ROUGHNESS="roughness",bd.METALNESS="metalness",bd.NORMAL="normal",bd.CLEARCOAT="clearcoat",bd.CLEARCOAT_ROUGHNESS="clearcoatRoughness",bd.CLEARCOAT_NORMAL="clearcoatNormal",bd.EMISSIVE="emissive",bd.ROTATION="rotation",bd.SHEEN="sheen",bd.SHEEN_ROUGHNESS="sheenRoughness",bd.ANISOTROPY="anisotropy",bd.IRIDESCENCE="iridescence",bd.IRIDESCENCE_IOR="iridescenceIOR",bd.IRIDESCENCE_THICKNESS="iridescenceThickness",bd.IOR="ior",bd.TRANSMISSION="transmission",bd.THICKNESS="thickness",bd.ATTENUATION_DISTANCE="attenuationDistance",bd.ATTENUATION_COLOR="attenuationColor",bd.LINE_SCALE="scale",bd.LINE_DASH_SIZE="dashSize",bd.LINE_GAP_SIZE="gapSize",bd.LINE_WIDTH="linewidth",bd.LINE_DASH_OFFSET="dashOffset",bd.POINT_SIZE="size",bd.DISPERSION="dispersion",bd.LIGHT_MAP="light",bd.AO="ao";const Td=Mi(bd,bd.ALPHA_TEST),_d=Mi(bd,bd.COLOR),vd=Mi(bd,bd.SHININESS),Nd=Mi(bd,bd.EMISSIVE),Sd=Mi(bd,bd.OPACITY),Ad=Mi(bd,bd.SPECULAR),Rd=Mi(bd,bd.SPECULAR_INTENSITY),Cd=Mi(bd,bd.SPECULAR_COLOR),Ed=Mi(bd,bd.SPECULAR_STRENGTH),wd=Mi(bd,bd.REFLECTIVITY),Md=Mi(bd,bd.ROUGHNESS),Bd=Mi(bd,bd.METALNESS),Fd=Mi(bd,bd.NORMAL),Ud=Mi(bd,bd.CLEARCOAT),Pd=Mi(bd,bd.CLEARCOAT_ROUGHNESS),Id=Mi(bd,bd.CLEARCOAT_NORMAL),Ld=Mi(bd,bd.ROTATION),Dd=Mi(bd,bd.SHEEN),Vd=Mi(bd,bd.SHEEN_ROUGHNESS),Od=Mi(bd,bd.ANISOTROPY),Gd=Mi(bd,bd.IRIDESCENCE),kd=Mi(bd,bd.IRIDESCENCE_IOR),zd=Mi(bd,bd.IRIDESCENCE_THICKNESS),$d=Mi(bd,bd.TRANSMISSION),Wd=Mi(bd,bd.THICKNESS),Hd=Mi(bd,bd.IOR),jd=Mi(bd,bd.ATTENUATION_DISTANCE),qd=Mi(bd,bd.ATTENUATION_COLOR),Xd=Mi(bd,bd.LINE_SCALE),Kd=Mi(bd,bd.LINE_DASH_SIZE),Yd=Mi(bd,bd.LINE_GAP_SIZE),Qd=Mi(bd,bd.LINE_WIDTH),Zd=Mi(bd,bd.LINE_DASH_OFFSET),Jd=Mi(bd,bd.POINT_SIZE),ec=Mi(bd,bd.DISPERSION),tc=Mi(bd,bd.LIGHT_MAP),rc=Mi(bd,bd.AO),sc=gn(new t).onReference((function(e){return e.material})).onRenderUpdate((function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))})),ic=Bi((e=>e.context.setupModelViewProjection()),"vec4").once()().toVarying("v_modelViewProjection");class nc extends Os{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===nc.VERTEX)s=e.getVertexIndex();else if(r===nc.INSTANCE)s=e.getInstanceIndex();else if(r===nc.DRAW)s=e.getDrawIndex();else if(r===nc.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===nc.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==nc.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=Ha(this).build(e,t)}return i}}nc.VERTEX="vertex",nc.INSTANCE="instance",nc.SUBGROUP="subgroup",nc.INVOCATION_LOCAL="invocationLocal",nc.INVOCATION_SUBGROUP="invocationSubgroup",nc.DRAW="draw";const oc=Mi(nc,nc.VERTEX),ac=Mi(nc,nc.INSTANCE),uc=Mi(nc,nc.SUBGROUP),lc=Mi(nc,nc.INVOCATION_SUBGROUP),dc=Mi(nc,nc.INVOCATION_LOCAL),cc=Mi(nc,nc.DRAW);class hc extends Os{static get type(){return"InstanceNode"}constructor(e,t,r){super("void"),this.count=e,this.instanceMatrix=t,this.instanceColor=r,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=Bs.FRAME,this.buffer=null,this.bufferColor=null}setup(e){const{count:t,instanceMatrix:r,instanceColor:s}=this;let{instanceMatrixNode:i,instanceColorNode:n}=this;if(null===i){if(t<=1e3)i=Ou(r.array,"mat4",Math.max(t,1)).element(ac);else{const e=new R(r.array,16,1);this.buffer=e;const t=r.usage===f?pu:hu,s=[t(e,"vec4",16,0),t(e,"vec4",16,4),t(e,"vec4",16,8),t(e,"vec4",16,12)];i=tn(...s)}this.instanceMatrixNode=i}if(s&&null===n){const e=new C(s.array,3),t=s.usage===f?pu:hu;this.bufferColor=e,n=Hi(t(e,"vec3",3,0)),this.instanceColorNode=n}const o=i.mul(yl).xyz;if(yl.assign(o),e.hasGeometryAttribute("normal")){const e=Pl(Cl,i);Cl.assign(e)}null!==this.instanceColorNode&&yn("vec3","vInstanceColor").assign(this.instanceColorNode)}update(){this.instanceMatrix.usage!==f&&null!==this.buffer&&this.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMatrix.version),this.instanceColor&&this.instanceColor.usage!==f&&null!==this.bufferColor&&this.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceColor.version)}}const pc=wi(hc);class gc extends hc{static get type(){return"InstancedMeshNode"}constructor(e){const{count:t,instanceMatrix:r,instanceColor:s}=e;super(t,r,s),this.instancedMesh=e}}const mc=wi(gc);class fc extends Os{static get type(){return"BatchNode"}constructor(e){super("void"),this.batchMesh=e,this.batchingIdNode=null}setup(e){null===this.batchingIdNode&&(null===e.getDrawIndex()?this.batchingIdNode=ac:this.batchingIdNode=cc);const t=Bi((([e])=>{const t=Vi(Fu(Du(this.batchMesh._indirectTexture),0)),r=Vi(e).modInt(t),s=Vi(e).div(t);return Du(this.batchMesh._indirectTexture,zi(r,s)).x})).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),r=t(Vi(this.batchingIdNode)),s=this.batchMesh._matricesTexture,i=Fu(Du(s),0),n=Di(r).mul(4).toInt().toVar(),o=n.modInt(i),a=n.div(Vi(i)),u=tn(Du(s,zi(o,a)),Du(s,zi(o.add(1),a)),Du(s,zi(o.add(2),a)),Du(s,zi(o.add(3),a))),l=this.batchMesh._colorsTexture;if(null!==l){const e=Bi((([e])=>{const t=Fu(Du(l),0).x,r=e,s=r.modInt(t),i=r.div(t);return Du(l,zi(s,i)).rgb})).setLayout({name:"getBatchingColor",type:"vec3",inputs:[{name:"id",type:"int"}]}),t=e(r);yn("vec3","vBatchColor").assign(t)}const d=en(u);yl.assign(u.mul(yl));const c=Cl.div(Hi(d[0].dot(d[0]),d[1].dot(d[1]),d[2].dot(d[2]))),h=d.mul(c).xyz;Cl.assign(h),e.hasGeometryAttribute("tangent")&&Yl.mulAssign(d)}}const yc=wi(fc),xc=new WeakMap;class bc extends Os{static get type(){return"SkinningNode"}constructor(e,t=!1){let r,s,i;super("void"),this.skinnedMesh=e,this.useReference=t,this.updateType=Bs.OBJECT,this.skinIndexNode=wu("skinIndex","uvec4"),this.skinWeightNode=wu("skinWeight","vec4"),t?(r=Hl("bindMatrix","mat4"),s=Hl("bindMatrixInverse","mat4"),i=jl("skeleton.boneMatrices","mat4",e.skeleton.bones.length)):(r=gn(e.bindMatrix,"mat4"),s=gn(e.bindMatrixInverse,"mat4"),i=Ou(e.skeleton.boneMatrices,"mat4",e.skeleton.bones.length)),this.bindMatrixNode=r,this.bindMatrixInverseNode=s,this.boneMatricesNode=i,this.previousBoneMatricesNode=null}getSkinnedPosition(e=this.boneMatricesNode,t=yl){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,o=e.element(r.x),a=e.element(r.y),u=e.element(r.z),l=e.element(r.w),d=i.mul(t),c=Qn(o.mul(s.x).mul(d),a.mul(s.y).mul(d),u.mul(s.z).mul(d),l.mul(s.w).mul(d));return n.mul(c).xyz}getSkinnedNormal(e=this.boneMatricesNode,t=Cl){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,o=e.element(r.x),a=e.element(r.y),u=e.element(r.z),l=e.element(r.w);let d=Qn(s.x.mul(o),s.y.mul(a),s.z.mul(u),s.w.mul(l));return d=n.mul(d).mul(i),d.transformDirection(t).xyz}getPreviousSkinnedPosition(e){const t=e.object;return null===this.previousBoneMatricesNode&&(t.skeleton.previousBoneMatrices=new Float32Array(t.skeleton.boneMatrices),this.previousBoneMatricesNode=jl("skeleton.previousBoneMatrices","mat4",t.skeleton.bones.length)),this.getSkinnedPosition(this.previousBoneMatricesNode,xl)}needsPreviousBoneMatrices(e){const t=e.renderer.getMRT();return t&&t.has("velocity")||!0===Rs(e.object).useVelocity}setup(e){this.needsPreviousBoneMatrices(e)&&xl.assign(this.getPreviousSkinnedPosition(e));const t=this.getSkinnedPosition();if(yl.assign(t),e.hasGeometryAttribute("normal")){const t=this.getSkinnedNormal();Cl.assign(t),e.hasGeometryAttribute("tangent")&&Yl.assign(t)}}generate(e,t){if("void"!==t)return yl.build(e,t)}update(e){const t=(this.useReference?e.object:this.skinnedMesh).skeleton;xc.get(t)!==e.frameId&&(xc.set(t,e.frameId),null!==this.previousBoneMatricesNode&&t.previousBoneMatrices.set(t.boneMatrices),t.update())}}const Tc=e=>Ri(new bc(e,!0));class _c extends Os{static get type(){return"LoopNode"}constructor(e=[]){super(),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=Su(s,i)}const s=e.addStack();return t.returnsNode=this.params[this.params.length-1](r,s,e),t.stackNode=s,e.removeStack(),t}getNodeType(e){const{returnsNode:t}=this.getProperties(e);return t?t.getNodeType(e):"void"}setup(e){this.getProperties(e)}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let t=0,s=r.length-1;t<s;t++){const s=r[t];let i=null,n=null,o=null,a=null,u=null,l=null;s.isNode?(a="int",o=this.getVarName(t),i="0",n=s.build(e,a),u="<"):(a=s.type||"int",o=s.name||this.getVarName(t),i=s.start,n=s.end,u=s.condition,l=s.update,"number"==typeof i?i=e.generateConst(a,i):i&&i.isNode&&(i=i.build(e,a)),"number"==typeof n?n=e.generateConst(a,n):n&&n.isNode&&(n=n.build(e,a)),void 0!==i&&void 0===n?(i+=" - 1",n="0",u=">="):void 0!==n&&void 0===i&&(i="0",u="<"),void 0===u&&(u=Number(i)>Number(n)?">=":"<"));const d={start:i,end:n,condition:u},c=d.start,h=d.end;let p="",g="",m="";l||(l="int"===a||"uint"===a?u.includes("<")?"++":"--":u.includes("<")?"+= 1.":"-= 1."),p+=e.getVar(a,o)+" = "+c,g+=o+" "+u+" "+h,m+=o+" "+l;const f=`for ( ${p}; ${g}; ${m} )`;e.addFlowCode((0===t?"\n":"")+e.tab+f+" {\n\n").addFlowTab()}const i=s.build(e,"void"),n=t.returnsNode?t.returnsNode.build(e):"";e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();return e.addFlowTab(),n}}const vc=(...e)=>Ri(new _c(Ei(e,"int"))).append(),Nc=()=>Su("break").append(),Sc=new WeakMap,Ac=new s,Rc=Bi((({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const o=Vi(oc).mul(r).add(n),a=o.div(s),u=o.sub(a.mul(s));return Du(e,zi(u,a)).depth(i).mul(t)}));class Cc extends Os{static get type(){return"MorphNode"}constructor(e){super("void"),this.mesh=e,this.morphBaseInfluence=gn(1),this.updateType=Bs.OBJECT}setup(e){const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,o=void 0!==n?n.length:0,{texture:a,stride:u,size:l}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,o=void 0!==n?n.length:0;let a=Sc.get(e);if(void 0===a||a.count!==o){void 0!==a&&a.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*o),f=new E(m,h,p,o);f.type=w,f.needsUpdate=!0;const y=4*c;for(let b=0;b<o;b++){const T=u[b],_=l[b],v=d[b],N=h*p*4*b;for(let S=0;S<T.count;S++){const A=S*y;!0===r&&(Ac.fromBufferAttribute(T,S),m[N+A+0]=Ac.x,m[N+A+1]=Ac.y,m[N+A+2]=Ac.z,m[N+A+3]=0),!0===s&&(Ac.fromBufferAttribute(_,S),m[N+A+4]=Ac.x,m[N+A+5]=Ac.y,m[N+A+6]=Ac.z,m[N+A+7]=0),!0===i&&(Ac.fromBufferAttribute(v,S),m[N+A+8]=Ac.x,m[N+A+9]=Ac.y,m[N+A+10]=Ac.z,m[N+A+11]=4===v.itemSize?Ac.w:1)}}function x(){f.dispose(),Sc.delete(e),e.removeEventListener("dispose",x)}a={count:o,texture:f,stride:c,size:new t(h,p)},Sc.set(e,a),e.addEventListener("dispose",x)}return a}(r);!0===s&&yl.mulAssign(this.morphBaseInfluence),!0===i&&Cl.mulAssign(this.morphBaseInfluence);const d=Vi(l.width);vc(o,(({i:e})=>{const t=Di(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?t.assign(Du(this.mesh.morphTexture,zi(Vi(e).add(1),Vi(ac))).r):t.assign(Hl("morphTargetInfluences","float").element(e).toVar()),!0===s&&yl.addAssign(Rc({bufferMap:a,influence:t,stride:u,width:d,depth:e,offset:Vi(0)})),!0===i&&Cl.addAssign(Rc({bufferMap:a,influence:t,stride:u,width:d,depth:e,offset:Vi(1)}))}))}update(){const e=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?e.value=1:e.value=1-this.mesh.morphTargetInfluences.reduce(((e,t)=>e+t),0)}}const Ec=wi(Cc);class wc extends Os{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class Mc extends wc{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class Bc extends La{static get type(){return"LightingContextNode"}constructor(e,t=null,r=null,s=null){super(e),this.lightingModel=t,this.backdropNode=r,this.backdropAlphaNode=s,this._value=null}getContext(){const{backdropNode:e,backdropAlphaNode:t}=this,r={directDiffuse:Hi().toVar("directDiffuse"),directSpecular:Hi().toVar("directSpecular"),indirectDiffuse:Hi().toVar("indirectDiffuse"),indirectSpecular:Hi().toVar("indirectSpecular")};return{radiance:Hi().toVar("radiance"),irradiance:Hi().toVar("irradiance"),iblIrradiance:Hi().toVar("iblIrradiance"),ambientOcclusion:Di(1).toVar("ambientOcclusion"),reflectedLight:r,backdrop:e,backdropAlpha:t}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const Fc=wi(Bc);class Uc extends wc{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}let Pc,Ic;class Lc extends Os{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this.isViewportNode=!0}getNodeType(){return this.scope===Lc.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=Bs.NONE;return this.scope!==Lc.SIZE&&this.scope!==Lc.VIEWPORT||(e=Bs.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===Lc.VIEWPORT?null!==t?Ic.copy(t.viewport):(e.getViewport(Ic),Ic.multiplyScalar(e.getPixelRatio())):null!==t?(Pc.width=t.width,Pc.height=t.height):e.getDrawingBufferSize(Pc)}setup(){const e=this.scope;let r=null;return r=e===Lc.SIZE?gn(Pc||(Pc=new t)):e===Lc.VIEWPORT?gn(Ic||(Ic=new s)):ki(Oc.div(Vc)),r}generate(e){if(this.scope===Lc.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(Vc).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}Lc.COORDINATE="coordinate",Lc.VIEWPORT="viewport",Lc.SIZE="size",Lc.UV="uv";const Dc=Mi(Lc,Lc.UV),Vc=Mi(Lc,Lc.SIZE),Oc=Mi(Lc,Lc.COORDINATE),Gc=Mi(Lc,Lc.VIEWPORT),kc=Gc.zw,zc=Oc.sub(Gc.xy),$c=zc.div(kc),Wc=Bi((()=>(console.warn('TSL.ViewportNode: "viewportResolution" is deprecated. Use "screenSize" instead.'),Vc)),"vec2").once()(),Hc=Bi((()=>(console.warn('TSL.ViewportNode: "viewportTopLeft" is deprecated. Use "screenUV" instead.'),Dc)),"vec2").once()(),jc=Bi((()=>(console.warn('TSL.ViewportNode: "viewportBottomLeft" is deprecated. Use "screenUV.flipY()" instead.'),Dc.flipY())),"vec2").once()(),qc=new t;class Xc extends Iu{static get type(){return"ViewportTextureNode"}constructor(e=Dc,t=null,r=null){null===r&&((r=new M).minFilter=B),super(r,e,t),this.generateMipmaps=!1,this.isOutputTextureNode=!0,this.updateBeforeType=Bs.FRAME}updateBefore(e){const t=e.renderer;t.getDrawingBufferSize(qc);const r=this.value;r.image.width===qc.width&&r.image.height===qc.height||(r.image.width=qc.width,r.image.height=qc.height,r.needsUpdate=!0);const s=r.generateMipmaps;r.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(r),r.generateMipmaps=s}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const Kc=wi(Xc),Yc=wi(Xc,null,null,{generateMipmaps:!0});let Qc=null;class Zc extends Xc{static get type(){return"ViewportDepthTextureNode"}constructor(e=Dc,t=null){null===Qc&&(Qc=new F),super(e,t,Qc)}}const Jc=wi(Zc);class eh extends Os{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===eh.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===eh.DEPTH_BASE)null!==r&&(s=nh().assign(r));else if(t===eh.DEPTH)s=e.isPerspectiveCamera?rh(_l.z,Wu,Hu):th(_l.z,Wu,Hu);else if(t===eh.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=sh(r,Wu,Hu);s=th(e,Wu,Hu)}else s=r;else s=th(_l.z,Wu,Hu);return s}}eh.DEPTH_BASE="depthBase",eh.DEPTH="depth",eh.LINEAR_DEPTH="linearDepth";const th=(e,t,r)=>e.add(t).div(t.sub(r)),rh=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),sh=(e,t,r)=>t.mul(r).div(r.sub(t).mul(e).sub(r)),ih=(e,t,r)=>{t=t.max(1e-6).toVar();const s=Fo(e.negate().div(t)),i=Fo(r.div(t));return s.div(i)},nh=wi(eh,eh.DEPTH_BASE),oh=Mi(eh,eh.DEPTH),ah=wi(eh,eh.LINEAR_DEPTH),uh=ah(Jc());oh.assign=e=>nh(e);const lh=wi(class extends Os{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}});class dh extends Os{static get type(){return"ClippingNode"}constructor(e=dh.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.material.hardwareClipping,this.scope===dh.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===dh.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return Bi((()=>{const r=Di().toVar("distanceToPlane"),s=Di().toVar("distanceToGradient"),i=Di(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=zu(t);vc(n,(({i:t})=>{const n=e.element(t);r.assign(_l.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(Aa(s.negate(),s,r))}))}const o=e.length;if(o>0){const t=zu(e),n=Di(1).toVar("intersectionClipOpacity");vc(o,(({i:e})=>{const i=t.element(e);r.assign(_l.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(Aa(s.negate(),s,r).oneMinus())})),i.mulAssign(n.oneMinus())}xn.a.mulAssign(i),xn.a.equal(0).discard()}))()}setupDefault(e,t){return Bi((()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=zu(t);vc(r,(({i:t})=>{const r=e.element(t);_l.dot(r.xyz).greaterThan(r.w).discard()}))}const s=e.length;if(s>0){const t=zu(e),r=Gi(!0).toVar("clipped");vc(s,(({i:e})=>{const s=t.element(e);r.assign(_l.dot(s.xyz).greaterThan(s.w).and(r))})),r.discard()}}))()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),Bi((()=>{const s=zu(e),i=lh(t.getClipDistance());vc(r,(({i:e})=>{const t=s.element(e),r=_l.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)}))}))()}}dh.ALPHA_TO_COVERAGE="alphaToCoverage",dh.DEFAULT="default",dh.HARDWARE="hardware";const ch=Bi((([e])=>Vo(Jn(1e4,Oo(Jn(17,e.x).add(Jn(.1,e.y)))).mul(Qn(.1,Ho(Oo(Jn(13,e.y).add(e.x)))))))),hh=Bi((([e])=>ch(ki(ch(e.xy),e.z)))),ph=Bi((([e])=>{const t=oa(qo(Yo(e.xyz)),qo(Qo(e.xyz))),r=Di(1).div(Di(.05).mul(t)).toVar("pixScale"),s=ki(Mo(Io(Fo(r))),Mo(Lo(Fo(r)))),i=ki(hh(Io(s.x.mul(e.xyz))),hh(Io(s.y.mul(e.xyz)))),n=Vo(Fo(r)),o=Qn(Jn(n.oneMinus(),i.x),Jn(n,i.y)),a=na(n,n.oneMinus()),u=Hi(o.mul(o).div(Jn(2,a).mul(Zn(1,a))),o.sub(Jn(.5,a)).div(Zn(1,a)),Zn(1,Zn(1,o).mul(Zn(1,o)).div(Jn(2,a).mul(Zn(1,a))))),l=o.lessThan(a.oneMinus()).select(o.lessThan(a).select(u.x,u.y),u.z);return va(l,1e-6,1)})).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class gh extends U{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.hardwareClipping=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.shadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null}customProgramCacheKey(){return this.type+ys(this)}build(e){this.setup(e)}setupObserver(e){return new hs(e)}setup(e){e.context.setupNormal=()=>this.setupNormal(e),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();e.addStack();const s=this.vertexNode||this.setupVertex(e);let i;e.stack.outputNode=s,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const n=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupVariants(e);const s=this.setupLighting(e);null!==n&&e.stack.add(n);const o=Ki(s,xn.a).max(0);if(i=this.setupOutput(e,o),Ln.assign(i),null!==this.outputNode&&(i=this.outputNode),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(i=e,null!==r&&(i=e.merge(r))):null!==r&&(i=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=Ki(t)),i=this.setupOutput(e,t)}e.stack.outputNode=i,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.samples;this.alphaToCoverage&&t>1?s=Ri(new dh(dh.ALPHA_TO_COVERAGE)):e.stack.add(Ri(new dh))}return s}setupHardwareClipping(e){if(this.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.add(Ri(new dh(dh.HARDWARE))),this.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?ih(_l.z,Wu,Hu):th(_l.z,Wu,Hu))}null!==s&&oh.assign(s).append()}setupPositionView(){return hl.mul(yl).xyz}setupModelViewProjection(){return ju.mul(_l)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.vertex=e.removeStack(),ic}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&Ec(t).append(),!0===t.isSkinnedMesh&&Tc(t).append(),this.displacementMap){const e=Xl("displacementMap","texture"),t=Xl("displacementScale","float"),r=Xl("displacementBias","float");yl.addAssign(Cl.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&yc(t).append(),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&mc(t).append(),null!==this.positionNode&&yl.assign(this.positionNode.context({isPositionNodeInput:!0})),yl}setupDiffuseColor({object:e,geometry:t}){let r=this.colorNode?Ki(this.colorNode):_d;if(!0===this.vertexColors&&t.hasAttribute("color")&&(r=Ki(r.xyz.mul(wu("color","vec3")),r.a)),e.instanceColor){r=yn("vec3","vInstanceColor").mul(r)}if(e.isBatchedMesh&&e._colorsTexture){r=yn("vec3","vBatchColor").mul(r)}xn.assign(r);const s=this.opacityNode?Di(this.opacityNode):Sd;if(xn.a.assign(xn.a.mul(s)),null!==this.alphaTestNode||this.alphaTest>0){const e=null!==this.alphaTestNode?Di(this.alphaTestNode):Td;xn.a.lessThanEqual(e).discard()}!0===this.alphaHash&&xn.a.lessThan(ph(yl)).discard(),!1===this.transparent&&this.blending===P&&!1===this.alphaToCoverage&&xn.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?Hi(0):xn.rgb}setupNormal(){return this.normalNode?Hi(this.normalNode):Fd}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?Xl("envMap","cubeTexture"):Xl("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Uc(tc)),t}setupLights(e){const t=[],r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);if(s&&s.isLightingNode&&t.push(s),null!==this.aoNode||e.material.aoMap){const e=null!==this.aoNode?this.aoNode:rc;t.push(new Mc(e))}let i=this.lightsNode||e.lightsNode;return t.length>0&&(i=e.renderer.lighting.createNode([...i.getLights(),...t])),i}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode?this.setupLights(e):null;let o=this.setupOutgoingLight(e);if(n&&n.getScope().hasLights){const t=this.setupLightingModel(e);o=Fc(n,t,r,s)}else null!==r&&(o=Hi(null!==s?_a(o,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(bn.assign(Hi(i||Nd)),o=o.add(bn)),o}setupOutput(e,t){if(!0===this.fog){const r=e.fogNode;r&&(Ln.assign(t),t=Ki(r))}return t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=U.prototype.toJSON.call(this,e),s=xs(this);r.inputNodes={};for(const{property:t,childNode:i}of s)r.inputNodes[t]=i.toJSON(e).uuid;function i(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=i(e.textures),s=i(e.images),n=i(e.nodes);t.length>0&&(r.textures=t),s.length>0&&(r.images=s),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.shadowPositionNode=e.shadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,super.copy(e)}}const mh=new I;class fh extends gh{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(mh),this.setValues(e)}}const yh=new L;class xh extends gh{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(yh),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?Di(this.offsetNode):Zd,t=this.dashScaleNode?Di(this.dashScaleNode):Xd,r=this.dashSizeNode?Di(this.dashSizeNode):Kd,s=this.gapSizeNode?Di(this.gapSizeNode):Yd;Dn.assign(r),Vn.assign(s);const i=Ha(wu("lineDistance").mul(t));(e?i.add(e):i).mod(Dn.add(Vn)).greaterThan(Dn).discard()}}let bh=null;class Th extends Xc{static get type(){return"ViewportSharedTextureNode"}constructor(e=Dc,t=null){null===bh&&(bh=new M),super(e,t,bh)}updateReference(){return this}}const _h=wi(Th),vh=new L;class Nh extends gh{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(vh),this.useColor=e.vertexColors,this.dashOffset=0,this.lineWidth=1,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=D,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setup(e){const{renderer:t}=e,r=this._useAlphaToCoverage,s=this.useColor,i=this._useDash,n=this._useWorldUnits,o=Bi((({start:e,end:t})=>{const r=ju.element(2).element(2),s=ju.element(3).element(2).mul(-.5).div(r).sub(e.z).div(t.z.sub(e.z));return Ki(_a(e.xyz,t.xyz,s),t.w)})).setLayout({name:"trimSegment",type:"vec4",inputs:[{name:"start",type:"vec4"},{name:"end",type:"vec4"}]});this.vertexNode=Bi((()=>{const e=wu("instanceStart"),t=wu("instanceEnd"),r=Ki(hl.mul(Ki(e,1))).toVar("start"),s=Ki(hl.mul(Ki(t,1))).toVar("end");if(i){const e=this.dashScaleNode?Di(this.dashScaleNode):Xd,t=this.offsetNode?Di(this.offsetNode):Zd,r=wu("instanceDistanceStart"),s=wu("instanceDistanceEnd");let i=fl.y.lessThan(.5).select(e.mul(r),e.mul(s));i=i.add(t),yn("float","lineDistance").assign(i)}n&&(yn("vec3","worldStart").assign(r.xyz),yn("vec3","worldEnd").assign(s.xyz));const a=Gc.z.div(Gc.w),u=ju.element(2).element(3).equal(-1);Pi(u,(()=>{Pi(r.z.lessThan(0).and(s.z.greaterThan(0)),(()=>{s.assign(o({start:r,end:s}))})).ElseIf(s.z.lessThan(0).and(r.z.greaterThanEqual(0)),(()=>{r.assign(o({start:s,end:r}))}))}));const l=ju.mul(r),d=ju.mul(s),c=l.xyz.div(l.w),h=d.xyz.div(d.w),p=h.xy.sub(c.xy).toVar();p.x.assign(p.x.mul(a)),p.assign(p.normalize());const g=Ki().toVar();if(n){const e=s.xyz.sub(r.xyz).normalize(),t=_a(r.xyz,s.xyz,.5).normalize(),n=e.cross(t).normalize(),o=e.cross(n),a=yn("vec4","worldPos");a.assign(fl.y.lessThan(.5).select(r,s));const u=Qd.mul(.5);a.addAssign(Ki(fl.x.lessThan(0).select(n.mul(u),n.mul(u).negate()),0)),i||(a.addAssign(Ki(fl.y.lessThan(.5).select(e.mul(u).negate(),e.mul(u)),0)),a.addAssign(Ki(o.mul(u),0)),Pi(fl.y.greaterThan(1).or(fl.y.lessThan(0)),(()=>{a.subAssign(Ki(o.mul(2).mul(u),0))}))),g.assign(ju.mul(a));const l=Hi().toVar();l.assign(fl.y.lessThan(.5).select(c,h)),g.z.assign(l.z.mul(g.w))}else{const e=ki(p.y,p.x.negate()).toVar("offset");p.x.assign(p.x.div(a)),e.x.assign(e.x.div(a)),e.assign(fl.x.lessThan(0).select(e.negate(),e)),Pi(fl.y.lessThan(0),(()=>{e.assign(e.sub(p))})).ElseIf(fl.y.greaterThan(1),(()=>{e.assign(e.add(p))})),e.assign(e.mul(Qd)),e.assign(e.div(Gc.w)),g.assign(fl.y.lessThan(.5).select(l,d)),e.assign(e.mul(g.w)),g.assign(g.add(Ki(e,0,0)))}return g}))();const a=Bi((({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),o=t.sub(e),a=i.dot(n),u=n.dot(o),l=i.dot(o),d=n.dot(n),c=o.dot(o).mul(d).sub(u.mul(u)),h=a.mul(u).sub(l.mul(d)).div(c).clamp(),p=a.add(u.mul(h)).div(d).clamp();return ki(h,p)}));if(this.colorNode=Bi((()=>{const e=Mu();if(i){const t=this.dashSizeNode?Di(this.dashSizeNode):Kd,r=this.gapSizeNode?Di(this.gapSizeNode):Yd;Dn.assign(t),Vn.assign(r);const s=yn("float","lineDistance");e.y.lessThan(-1).or(e.y.greaterThan(1)).discard(),s.mod(Dn.add(Vn)).greaterThan(Dn).discard()}const o=Di(1).toVar("alpha");if(n){const e=yn("vec3","worldStart"),s=yn("vec3","worldEnd"),n=yn("vec4","worldPos").xyz.normalize().mul(1e5),u=s.sub(e),l=a({p1:e,p2:s,p3:Hi(0,0,0),p4:n}),d=e.add(u.mul(l.x)),c=n.mul(l.y),h=d.sub(c).length().div(Qd);if(!i)if(r&&t.samples>1){const e=h.fwidth();o.assign(Aa(e.negate().add(.5),e.add(.5),h).oneMinus())}else h.greaterThan(.5).discard()}else if(r&&t.samples>1){const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1)),s=t.mul(t).add(r.mul(r)),i=Di(s.fwidth()).toVar("dlen");Pi(e.y.abs().greaterThan(1),(()=>{o.assign(Aa(i.oneMinus(),i.add(1),s).oneMinus())}))}else Pi(e.y.abs().greaterThan(1),(()=>{const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1));t.mul(t).add(r.mul(r)).greaterThan(1).discard()}));let u;if(this.lineColorNode)u=this.lineColorNode;else if(s){const e=wu("instanceColorStart"),t=wu("instanceColorEnd");u=fl.y.lessThan(.5).select(e,t).mul(_d)}else u=_d;return Ki(u,o)}))(),this.transparent){const e=this.opacityNode?Di(this.opacityNode):Sd;this.outputNode=Ki(this.colorNode.rgb.mul(e).add(_h().rgb.mul(e.oneMinus())),this.colorNode.a)}super.setup(e)}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const Sh=e=>Ri(e).mul(.5).add(.5),Ah=new V;class Rh extends gh{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Ah),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?Di(this.opacityNode):Sd;xn.assign(Ki(Sh(Bl),e))}}class Ch extends zs{static get type(){return"EquirectUVNode"}constructor(e=Tl){super("vec2"),this.dirNode=e}setup(){const e=this.dirNode,t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return ki(t,r)}}const Eh=wi(Ch);class wh extends O{constructor(e=1,t={}){super(e,t),this.isCubeRenderTarget=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new G(5,5,5),n=Eh(Tl),o=new gh;o.colorNode=Lu(t,n,0),o.side=_,o.blending=D;const a=new k(i,o),u=new z;u.add(a),t.minFilter===B&&(t.minFilter=$);const l=new W(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.currentGenerateMipmaps=s,a.geometry.dispose(),a.material.dispose(),this}}const Mh=new WeakMap;class Bh extends zs{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=zl();const t=new H;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=Bs.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===j||r===q){if(Mh.has(e)){const t=Mh.get(e);Uh(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new wh(r.height);s.fromEquirectangularTexture(t,e),Uh(s.texture,e.mapping),this._cubeTexture=s.texture,Mh.set(e,s.texture),e.addEventListener("dispose",Fh)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function Fh(e){const t=e.target;t.removeEventListener("dispose",Fh);const r=Mh.get(t);void 0!==r&&(Mh.delete(t),r.dispose())}function Uh(e,t){t===j?e.mapping=v:t===q&&(e.mapping=N)}const Ph=wi(Bh);class Ih extends wc{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=Ph(this.envNode)}}class Lh extends wc{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=Di(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class Dh{start(){}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class Vh extends Dh{constructor(){super()}indirect(e,t,r){const s=e.ambientOcclusion,i=e.reflectedLight,n=r.context.irradianceLightMap;i.indirectDiffuse.assign(Ki(0)),n?i.indirectDiffuse.addAssign(n):i.indirectDiffuse.addAssign(Ki(1,1,1,0)),i.indirectDiffuse.mulAssign(s),i.indirectDiffuse.mulAssign(xn.rgb)}finish(e,t,r){const s=r.material,i=e.outgoingLight,n=r.context.environment;if(n)switch(s.combine){case Y:i.rgb.assign(_a(i.rgb,i.rgb.mul(n.rgb),Ed.mul(wd)));break;case K:i.rgb.assign(_a(i.rgb,n.rgb,Ed.mul(wd)));break;case X:i.rgb.addAssign(n.rgb.mul(Ed.mul(wd)));break;default:console.warn("THREE.BasicLightingModel: Unsupported .combine value:",s.combine)}}}const Oh=new Q;class Gh extends gh{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Oh),this.setValues(e)}setupNormal(){return wl}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Ih(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Lh(tc)),t}setupOutgoingLight(){return xn.rgb}setupLightingModel(){return new Vh}}const kh=Bi((({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))})),zh=Bi((e=>e.diffuseColor.mul(1/Math.PI))),$h=Bi((({dotNH:e})=>In.mul(Di(.5)).add(1).mul(Di(1/Math.PI)).mul(e.pow(In)))),Wh=Bi((({lightDirection:e})=>{const t=e.add(vl).normalize(),r=Bl.dot(t).clamp(),s=vl.dot(t).clamp(),i=kh({f0:Un,f90:1,dotVH:s}),n=Di(.25),o=$h({dotNH:r});return i.mul(n).mul(o)}));class Hh extends Vh{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Bl.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(zh({diffuseColor:xn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(Wh({lightDirection:e})).mul(Ed))}indirect({ambientOcclusion:e,irradiance:t,reflectedLight:r}){r.indirectDiffuse.addAssign(t.mul(zh({diffuseColor:xn}))),r.indirectDiffuse.mulAssign(e)}}const jh=new Z;class qh extends gh{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(jh),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Ih(t):null}setupLightingModel(){return new Hh(!1)}}const Xh=new J;class Kh extends gh{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(Xh),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Ih(t):null}setupLightingModel(){return new Hh}setupVariants(){const e=(this.shininessNode?Di(this.shininessNode):vd).max(1e-4);In.assign(e);const t=this.specularNode||Ad;Un.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const Yh=Bi((e=>{if(!1===e.geometry.hasAttribute("normal"))return Di(0);const t=wl.dFdx().abs().max(wl.dFdy().abs());return t.x.max(t.y).max(t.z)})),Qh=Bi((e=>{const{roughness:t}=e,r=Yh();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s})),Zh=Bi((({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return eo(.5,i.add(n).max(_o))})).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),Jh=Bi((({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:o,dotNL:a})=>{const u=a.mul(Hi(e.mul(r),t.mul(s),o).length()),l=o.mul(Hi(e.mul(i),t.mul(n),a).length());return eo(.5,u.add(l)).saturate()})).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),ep=Bi((({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)})).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),tp=Di(1/Math.PI),rp=Bi((({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),o=Hi(t.mul(s),e.mul(i),n.mul(r)),a=o.dot(o),u=n.div(a);return tp.mul(n.mul(u.pow2()))})).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),sp=Bi((e=>{const{lightDirection:t,f0:r,f90:s,roughness:i,f:n,USE_IRIDESCENCE:o,USE_ANISOTROPY:a}=e,u=e.normalView||Bl,l=i.pow2(),d=t.add(vl).normalize(),c=u.dot(t).clamp(),h=u.dot(vl).clamp(),p=u.dot(d).clamp(),g=vl.dot(d).clamp();let m,f,y=kh({f0:r,f90:s,dotVH:g});if(Ni(o)&&(y=Rn.mix(y,n)),Ni(a)){const e=Bn.dot(t),r=Bn.dot(vl),s=Bn.dot(d),i=Fn.dot(t),n=Fn.dot(vl),o=Fn.dot(d);m=Jh({alphaT:wn,alphaB:l,dotTV:r,dotBV:n,dotTL:e,dotBL:i,dotNV:h,dotNL:c}),f=rp({alphaT:wn,alphaB:l,dotNH:p,dotTH:s,dotBH:o})}else m=Zh({alpha:l,dotNL:c,dotNV:h}),f=ep({alpha:l,dotNH:p});return y.mul(m).mul(f)})),ip=Bi((({roughness:e,dotNV:t})=>{const r=Ki(-1,-.0275,-.572,.022),s=Ki(1,.0425,1.04,-.04),i=e.mul(r).add(s),n=i.x.mul(i.x).min(t.mul(-9.28).exp2()).mul(i.x).add(i.y);return ki(-1.04,1.04).mul(n).add(i.zw)})).setLayout({name:"DFGApprox",type:"vec2",inputs:[{name:"roughness",type:"float"},{name:"dotNV",type:"vec3"}]}),np=Bi((e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=ip({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))})),op=Bi((({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(Hi(t).mul(n)).div(n.oneMinus())})).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),ap=Bi((({roughness:e,dotNH:t})=>{const r=e.pow2(),s=Di(1).div(r),i=t.pow2().oneMinus().max(.0078125);return Di(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)})).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),up=Bi((({dotNV:e,dotNL:t})=>Di(1).div(Di(4).mul(t.add(e).sub(t.mul(e)))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),lp=Bi((({lightDirection:e})=>{const t=e.add(vl).normalize(),r=Bl.dot(e).clamp(),s=Bl.dot(vl).clamp(),i=Bl.dot(t).clamp(),n=ap({roughness:An,dotNH:i}),o=up({dotNV:s,dotNL:r});return Sn.mul(n).mul(o)})),dp=Bi((({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=ki(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i})).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),cp=Bi((({f:e})=>{const t=e.length();return oa(t.mul(t).add(e.z).div(t.add(1)),0)})).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),hp=Bi((({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),o=i.div(n),a=r.greaterThan(0).select(o,oa(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(o));return e.cross(t).mul(a)})).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),pp=Bi((({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:o,p3:a})=>{const u=n.sub(i).toVar(),l=a.sub(i).toVar(),d=u.cross(l),c=Hi().toVar();return Pi(d.dot(r.sub(i)).greaterThanEqual(0),(()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(en(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(o.sub(r)).normalize().toVar(),m=d.mul(a.sub(r)).normalize().toVar(),f=Hi(0).toVar();f.addAssign(hp({v1:h,v2:p})),f.addAssign(hp({v1:p,v2:g})),f.addAssign(hp({v1:g,v2:m})),f.addAssign(hp({v1:m,v2:h})),c.assign(Hi(cp({f:f})))})),c})).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),gp=1/6,mp=e=>Jn(gp,Jn(e,Jn(e,e.negate().add(3)).sub(3)).add(1)),fp=e=>Jn(gp,Jn(e,Jn(e,Jn(3,e).sub(6))).add(4)),yp=e=>Jn(gp,Jn(e,Jn(e,Jn(-3,e).add(3)).add(3)).add(1)),xp=e=>Jn(gp,ga(e,3)),bp=e=>mp(e).add(fp(e)),Tp=e=>yp(e).add(xp(e)),_p=e=>Qn(-1,fp(e).div(mp(e).add(fp(e)))),vp=e=>Qn(1,xp(e).div(yp(e).add(xp(e)))),Np=(e,t,r)=>{const s=e.uvNode,i=Jn(s,t.zw).add(.5),n=Io(i),o=Vo(i),a=bp(o.x),u=Tp(o.x),l=_p(o.x),d=vp(o.x),c=_p(o.y),h=vp(o.y),p=ki(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=ki(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=ki(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=ki(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=bp(o.y).mul(Qn(a.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),x=Tp(o.y).mul(Qn(a.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(x)},Sp=Bi((([e,t=Di(3)])=>{const r=ki(e.size(Vi(t))),s=ki(e.size(Vi(t.add(1)))),i=eo(1,r),n=eo(1,s),o=Np(e,Ki(i,r),Io(t)),a=Np(e,Ki(n,s),Lo(t));return Vo(t).mix(o,a)})),Ap=Bi((([e,t,r,s,i])=>{const n=Hi(Sa(t.negate(),Do(e),eo(1,s))),o=Hi(qo(i[0].xyz),qo(i[1].xyz),qo(i[2].xyz));return Do(n).mul(r.mul(o))})).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),Rp=Bi((([e,t])=>e.mul(va(t.mul(2).sub(2),0,1)))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),Cp=Yc(),Ep=Yc(),wp=Bi((([e,t,r],{material:s})=>{const i=(s.side===_?Cp:Ep).sample(e),n=Fo(Vc.x).mul(Rp(t,r));return Sp(i,n)})),Mp=Bi((([e,t,r])=>(Pi(r.notEqual(0),(()=>{const s=Bo(t).negate().div(r);return wo(s.negate().mul(e))})),Hi(1)))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),Bp=Bi((([e,t,r,s,i,n,o,a,u,l,d,c,h,p,g])=>{let m,f;if(g){m=Ki().toVar(),f=Hi().toVar();const i=d.sub(1).mul(g.mul(.025)),n=Hi(d.sub(i),d,d.add(i));vc({start:0,end:3},(({i:i})=>{const d=n.element(i),g=Ap(e,t,c,d,a),y=o.add(g),x=l.mul(u.mul(Ki(y,1))),b=ki(x.xy.div(x.w)).toVar();b.addAssign(1),b.divAssign(2),b.assign(ki(b.x,b.y.oneMinus()));const T=wp(b,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(Mp(qo(g),h,p).element(i)))})),m.a.divAssign(3)}else{const i=Ap(e,t,c,d,a),n=o.add(i),g=l.mul(u.mul(Ki(n,1))),y=ki(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(ki(y.x,y.y.oneMinus())),m=wp(y,r,d),f=s.mul(Mp(qo(i),h,p))}const y=f.rgb.mul(m.rgb),x=e.dot(t).clamp(),b=Hi(np({dotNV:x,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return Ki(b.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())})),Fp=en(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),Up=(e,t)=>e.sub(t).div(e.add(t)).pow2(),Pp=Bi((({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=_a(e,t,Aa(0,.03,s)),o=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();Pi(o.lessThan(0),(()=>Hi(1)));const a=o.sqrt(),u=Up(n,e),l=kh({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=Di(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return Hi(1).add(t).div(Hi(1).sub(t))})(i.clamp(0,.9999)),g=Up(p,n.toVec3()),m=kh({f0:g,f90:1,dotVH:a}),f=Hi(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,a,2),x=Hi(h).add(f),b=l.mul(m).clamp(1e-5,.9999),T=b.sqrt(),_=d.pow2().mul(m).div(Hi(1).sub(b)),v=l.add(_).toVar(),N=_.sub(d).toVar();return vc({start:1,end:2,condition:"<=",name:"m"},(({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=Hi(54856e-17,44201e-17,52481e-17),i=Hi(1681e3,1795300,2208400),n=Hi(43278e5,93046e5,66121e5),o=Di(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let a=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return a=Hi(a.x.add(o),a.y,a.z).div(1.0685e-7),Fp.mul(a)})(Di(e).mul(y),Di(e).mul(x)).mul(2);v.addAssign(N.mul(t))})),v.max(Hi(0))})).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),Ip=Bi((({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.pow2(),n=Pa(r.lessThan(.25),Di(-339.2).mul(i).add(Di(161.4).mul(r)).sub(25.9),Di(-8.48).mul(i).add(Di(14.3).mul(r)).sub(9.95)),o=Pa(r.lessThan(.25),Di(44).mul(i).sub(Di(23.7).mul(r)).add(3.26),Di(1.97).mul(i).sub(Di(3.27).mul(r)).add(.72));return Pa(r.lessThan(.25),0,Di(.1).mul(r).sub(.025)).add(n.mul(s).add(o).exp()).mul(1/Math.PI).saturate()})),Lp=Hi(.04),Dp=Di(1);class Vp extends Dh{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=Hi().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=Hi().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=Hi().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=Hi().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=Hi().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=Bl.dot(vl).clamp();this.iridescenceFresnel=Pp({outsideIOR:Di(1),eta2:Cn,cosTheta1:e,thinFilmThickness:En,baseF0:Un}),this.iridescenceF0=op({f:this.iridescenceFresnel,f90:1,dotVH:e})}if(!0===this.transmission){const t=bl,r=Qu.sub(bl).normalize(),s=Fl;e.backdrop=Bp(s,r,Tn,xn,Un,Pn,t,ol,Xu,ju,Gn,zn,Wn,$n,this.dispersion?Hn:null),e.backdropAlpha=kn,xn.a.mulAssign(_a(1,e.backdrop.a,kn))}}computeMultiscattering(e,t,r){const s=Bl.dot(vl).clamp(),i=ip({roughness:Tn,dotNV:s}),n=(this.iridescenceF0?Rn.mix(Un,this.iridescenceF0):Un).mul(i.x).add(r.mul(i.y)),o=i.x.add(i.y).oneMinus(),a=Un.add(Un.oneMinus().mul(.047619)),u=n.mul(a).div(o.mul(a).oneMinus());e.addAssign(n),t.addAssign(u.mul(o))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Bl.dot(e).clamp().mul(t);if(!0===this.sheen&&this.sheenSpecularDirect.addAssign(s.mul(lp({lightDirection:e}))),!0===this.clearcoat){const r=Ul.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(sp({lightDirection:e,f0:Lp,f90:Dp,roughness:Nn,normalView:Ul})))}r.directDiffuse.addAssign(s.mul(zh({diffuseColor:xn.rgb}))),r.directSpecular.addAssign(s.mul(sp({lightDirection:e,f0:Un,f90:1,roughness:Tn,iridescence:this.iridescence,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:o}){const a=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=Bl,h=vl,p=_l.toVar(),g=dp({N:c,V:h,roughness:Tn}),m=n.sample(g).toVar(),f=o.sample(g).toVar(),y=en(Hi(m.x,0,m.y),Hi(0,1,0),Hi(m.z,0,m.w)).toVar(),x=Un.mul(f.x).add(Un.oneMinus().mul(f.y)).toVar();i.directSpecular.addAssign(e.mul(x).mul(pp({N:c,V:h,P:p,mInv:y,p0:a,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(xn).mul(pp({N:c,V:h,P:p,mInv:en(1,0,0,0,1,0,0,0,1),p0:a,p1:u,p2:l,p3:d})))}indirect(e,t,r){this.indirectDiffuse(e,t,r),this.indirectSpecular(e,t,r),this.ambientOcclusion(e,t,r)}indirectDiffuse({irradiance:e,reflectedLight:t}){t.indirectDiffuse.addAssign(e.mul(zh({diffuseColor:xn})))}indirectSpecular({radiance:e,iblIrradiance:t,reflectedLight:r}){if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(t.mul(Sn,Ip({normal:Bl,viewDir:vl,roughness:An}))),!0===this.clearcoat){const e=Ul.dot(vl).clamp(),t=np({dotNV:e,specularColor:Lp,specularF90:Dp,roughness:Nn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const s=Hi().toVar("singleScattering"),i=Hi().toVar("multiScattering"),n=t.mul(1/Math.PI);this.computeMultiscattering(s,i,Pn);const o=s.add(i),a=xn.mul(o.r.max(o.g).max(o.b).oneMinus());r.indirectSpecular.addAssign(e.mul(s)),r.indirectSpecular.addAssign(i.mul(n)),r.indirectDiffuse.addAssign(a.mul(n))}ambientOcclusion({ambientOcclusion:e,reflectedLight:t}){const r=Bl.dot(vl).clamp().add(e),s=Tn.mul(-16).oneMinus().negate().exp2(),i=e.sub(r.pow(s).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(e),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(e),t.indirectDiffuse.mulAssign(e),t.indirectSpecular.mulAssign(i)}finish(e){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=Ul.dot(vl).clamp(),r=kh({dotVH:e,f0:Lp,f90:Dp}),s=t.mul(vn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(vn));t.assign(s)}if(!0===this.sheen){const e=Sn.r.max(Sn.g).max(Sn.b).mul(.157).oneMinus(),r=t.mul(e).add(this.sheenSpecularDirect,this.sheenSpecularIndirect);t.assign(r)}}}const Op=Di(1),Gp=Di(-2),kp=Di(.8),zp=Di(-1),$p=Di(.4),Wp=Di(2),Hp=Di(.305),jp=Di(3),qp=Di(.21),Xp=Di(4),Kp=Di(4),Yp=Di(16),Qp=Bi((([e])=>{const t=Hi(Ho(e)).toVar(),r=Di(-1).toVar();return Pi(t.x.greaterThan(t.z),(()=>{Pi(t.x.greaterThan(t.y),(()=>{r.assign(Pa(e.x.greaterThan(0),0,3))})).Else((()=>{r.assign(Pa(e.y.greaterThan(0),1,4))}))})).Else((()=>{Pi(t.z.greaterThan(t.y),(()=>{r.assign(Pa(e.z.greaterThan(0),2,5))})).Else((()=>{r.assign(Pa(e.y.greaterThan(0),1,4))}))})),r})).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Zp=Bi((([e,t])=>{const r=ki().toVar();return Pi(t.equal(0),(()=>{r.assign(ki(e.z,e.y).div(Ho(e.x)))})).ElseIf(t.equal(1),(()=>{r.assign(ki(e.x.negate(),e.z.negate()).div(Ho(e.y)))})).ElseIf(t.equal(2),(()=>{r.assign(ki(e.x.negate(),e.y).div(Ho(e.z)))})).ElseIf(t.equal(3),(()=>{r.assign(ki(e.z.negate(),e.y).div(Ho(e.x)))})).ElseIf(t.equal(4),(()=>{r.assign(ki(e.x.negate(),e.z).div(Ho(e.y)))})).Else((()=>{r.assign(ki(e.x,e.y).div(Ho(e.z)))})),Jn(.5,r.add(1))})).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Jp=Bi((([e])=>{const t=Di(0).toVar();return Pi(e.greaterThanEqual(kp),(()=>{t.assign(Op.sub(e).mul(zp.sub(Gp)).div(Op.sub(kp)).add(Gp))})).ElseIf(e.greaterThanEqual($p),(()=>{t.assign(kp.sub(e).mul(Wp.sub(zp)).div(kp.sub($p)).add(zp))})).ElseIf(e.greaterThanEqual(Hp),(()=>{t.assign($p.sub(e).mul(jp.sub(Wp)).div($p.sub(Hp)).add(Wp))})).ElseIf(e.greaterThanEqual(qp),(()=>{t.assign(Hp.sub(e).mul(Xp.sub(jp)).div(Hp.sub(qp)).add(jp))})).Else((()=>{t.assign(Di(-2).mul(Fo(Jn(1.16,e))))})),t})).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),eg=Bi((([e,t])=>{const r=e.toVar();r.assign(Jn(2,r).sub(1));const s=Hi(r,1).toVar();return Pi(t.equal(0),(()=>{s.assign(s.zyx)})).ElseIf(t.equal(1),(()=>{s.assign(s.xzy),s.xz.mulAssign(-1)})).ElseIf(t.equal(2),(()=>{s.x.mulAssign(-1)})).ElseIf(t.equal(3),(()=>{s.assign(s.zyx),s.xz.mulAssign(-1)})).ElseIf(t.equal(4),(()=>{s.assign(s.xzy),s.xy.mulAssign(-1)})).ElseIf(t.equal(5),(()=>{s.z.mulAssign(-1)})),s})).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),tg=Bi((([e,t,r,s,i,n])=>{const o=Di(r),a=Hi(t),u=va(Jp(o),Gp,n),l=Vo(u),d=Io(u),c=Hi(rg(e,a,d,s,i,n)).toVar();return Pi(l.notEqual(0),(()=>{const t=Hi(rg(e,a,d.add(1),s,i,n)).toVar();c.assign(_a(c,t,l))})),c})),rg=Bi((([e,t,r,s,i,n])=>{const o=Di(r).toVar(),a=Hi(t),u=Di(Qp(a)).toVar(),l=Di(oa(Kp.sub(o),0)).toVar();o.assign(oa(o,Kp));const d=Di(Mo(o)).toVar(),c=ki(Zp(a,u).mul(d.sub(2)).add(1)).toVar();return Pi(u.greaterThan(2),(()=>{c.y.addAssign(d),u.subAssign(3)})),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(Jn(3,Yp))),c.y.addAssign(Jn(4,Mo(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(ki(),ki())})),sg=Bi((({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:a})=>{const u=Go(s),l=r.mul(u).add(i.cross(r).mul(Oo(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return rg(e,l,t,n,o,a)})),ig=Bi((({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:o,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=Hi(Pa(t,r,pa(r,s))).toVar();Pi(Ao(h.equals(Hi(0))),(()=>{h.assign(Hi(s.z,0,s.x.negate()))})),h.assign(Do(h));const p=Hi().toVar();return p.addAssign(i.element(0).mul(sg({theta:0,axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),vc({start:Vi(1),end:e},(({i:e})=>{Pi(e.greaterThanEqual(n),(()=>{Nc()}));const t=Di(o.mul(Di(e))).toVar();p.addAssign(i.element(e).mul(sg({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(sg({theta:t,axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))})),Ki(p,1)}));let ng=null;const og=new WeakMap;function ag(e){let t=og.get(e);if((void 0!==t?t.pmremVersion:-1)!==e.pmremVersion){const r=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(r))return null;t=ng.fromCubemap(e,t)}else{if(!function(e){return null!=e&&e.height>0}(r))return null;t=ng.fromEquirectangular(e,t)}t.pmremVersion=e.pmremVersion,og.set(e,t)}return t.texture}class ug extends zs{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new ee;s.isRenderTargetTexture=!0,this._texture=Lu(s),this._width=gn(0),this._height=gn(0),this._maxMip=gn(0),this.updateBeforeType=Bs.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(){let e=this._pmrem;const t=e?e.pmremVersion:-1,r=this._value;t!==r.pmremVersion&&(e=!0===r.isPMREMTexture?r:ag(r),null!==e&&(this._pmrem=e,this.updateFromTexture(e)))}setup(e){null===ng&&(ng=e.createPMREMGenerator()),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this));const r=this.value;e.renderer.coordinateSystem===l&&!0!==r.isPMREMTexture&&!0===r.isRenderTargetTexture&&(t=Hi(t.x.negate(),t.yz)),t=Hi(t.x,t.y.negate(),t.z);let s=this.levelNode;return null===s&&e.context.getTextureLevel&&(s=e.context.getTextureLevel(this)),tg(this._texture,t,s,this._width,this._height,this._maxMip)}}const lg=wi(ug),dg=new WeakMap;class cg extends wc{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const e=r.isTextureNode?r.value:t[r.property];let s=dg.get(e);void 0===s&&(s=lg(e),dg.set(e,s)),r=s}const s=t.envMap?Hl("envMapIntensity","float",e.material):Hl("environmentIntensity","float",e.scene),i=!0===t.useAnisotropy||t.anisotropy>0?dd:Bl,n=r.context(hg(Tn,i)).mul(s),o=r.context(pg(Fl)).mul(Math.PI).mul(s),a=yu(n),u=yu(o);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(u);const l=e.context.lightingModel.clearcoatRadiance;if(l){const e=r.context(hg(Nn,Ul)).mul(s),t=yu(e);l.addAssign(t)}}}const hg=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=vl.negate().reflect(t),r=e.mul(e).mix(r,t).normalize(),r=r.transformDirection(Xu)),r),getTextureLevel:()=>e}},pg=e=>({getUV:()=>e,getTextureLevel:()=>Di(1)}),gg=new te;class mg extends gh{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(gg),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new cg(t):null}setupLightingModel(){return new Vp}setupSpecular(){const e=_a(Hi(.04),xn.rgb,_n);Un.assign(e),Pn.assign(1)}setupVariants(){const e=this.metalnessNode?Di(this.metalnessNode):Bd;_n.assign(e);let t=this.roughnessNode?Di(this.roughnessNode):Md;t=Qh({roughness:t}),Tn.assign(t),this.setupSpecular(),xn.assign(Ki(xn.rgb.mul(e.oneMinus()),xn.a))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const fg=new re;class yg extends mg{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(fg),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?Di(this.iorNode):Hd;Gn.assign(e),Un.assign(_a(na(ma(Gn.sub(1).div(Gn.add(1))).mul(Cd),Hi(1)).mul(Rd),xn.rgb,_n)),Pn.assign(_a(Rd,1,_n))}setupLightingModel(){return new Vp(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?Di(this.clearcoatNode):Ud,t=this.clearcoatRoughnessNode?Di(this.clearcoatRoughnessNode):Pd;vn.assign(e),Nn.assign(Qh({roughness:t}))}if(this.useSheen){const e=this.sheenNode?Hi(this.sheenNode):Dd,t=this.sheenRoughnessNode?Di(this.sheenRoughnessNode):Vd;Sn.assign(e),An.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?Di(this.iridescenceNode):Gd,t=this.iridescenceIORNode?Di(this.iridescenceIORNode):kd,r=this.iridescenceThicknessNode?Di(this.iridescenceThicknessNode):zd;Rn.assign(e),Cn.assign(t),En.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?ki(this.anisotropyNode):Od).toVar();Mn.assign(e.length()),Pi(Mn.equal(0),(()=>{e.assign(ki(1,0))})).Else((()=>{e.divAssign(ki(Mn)),Mn.assign(Mn.saturate())})),wn.assign(Mn.pow2().mix(Tn.pow2(),1)),Bn.assign(ud[0].mul(e.x).add(ud[1].mul(e.y))),Fn.assign(ud[1].mul(e.x).sub(ud[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?Di(this.transmissionNode):$d,t=this.thicknessNode?Di(this.thicknessNode):Wd,r=this.attenuationDistanceNode?Di(this.attenuationDistanceNode):jd,s=this.attenuationColorNode?Hi(this.attenuationColorNode):qd;if(kn.assign(e),zn.assign(t),$n.assign(r),Wn.assign(s),this.useDispersion){const e=this.dispersionNode?Di(this.dispersionNode):ec;Hn.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?Hi(this.clearcoatNormalNode):Id}setup(e){e.context.setupClearcoatNormal=()=>this.setupClearcoatNormal(e),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class xg extends Vp{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,o=!1){super(e,t,r,s,i,n),this.useSSS=o}direct({lightDirection:e,lightColor:t,reflectedLight:r},s,i){if(!0===this.useSSS){const s=i.material,{thicknessColorNode:n,thicknessDistortionNode:o,thicknessAmbientNode:a,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=s,c=e.add(Bl.mul(o)).normalize(),h=Di(vl.dot(c.negate()).saturate().pow(l).mul(d)),p=Hi(h.add(a).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s,i)}}class bg extends yg{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=Di(.1),this.thicknessAmbientNode=Di(0),this.thicknessAttenuationNode=Di(.1),this.thicknessPowerNode=Di(2),this.thicknessScaleNode=Di(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new xg(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const Tg=Bi((({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=ki(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=Xl("gradientMap","texture").context({getUV:()=>i});return Hi(e.r)}{const e=i.fwidth().mul(.5);return _a(Hi(.7),Hi(1),Aa(Di(.7).sub(e.x),Di(.7).add(e.x),i.x))}}));class _g extends Dh{direct({lightDirection:e,lightColor:t,reflectedLight:r},s,i){const n=Tg({normal:Rl,lightDirection:e,builder:i}).mul(t);r.directDiffuse.addAssign(n.mul(zh({diffuseColor:xn.rgb})))}indirect({ambientOcclusion:e,irradiance:t,reflectedLight:r}){r.indirectDiffuse.addAssign(t.mul(zh({diffuseColor:xn}))),r.indirectDiffuse.mulAssign(e)}}const vg=new se;class Ng extends gh{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(vg),this.setValues(e)}setupLightingModel(){return new _g}}class Sg extends zs{static get type(){return"MatcapUVNode"}constructor(){super("vec2")}setup(){const e=Hi(vl.z,0,vl.x.negate()).normalize(),t=vl.cross(e);return ki(e.dot(Bl),t.dot(Bl)).mul(.495).add(.5)}}const Ag=Mi(Sg),Rg=new ie;class Cg extends gh{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(Rg),this.setValues(e)}setupVariants(e){const t=Ag;let r;r=e.material.matcap?Xl("matcap","texture").context({getUV:()=>t}):Hi(_a(.2,.8,t.y)),xn.rgb.mulAssign(r.rgb)}}class Eg extends zs{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}getNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Ji(e,s,s.negate(),e).mul(r)}{const e=t,s=tn(Ki(1,0,0,0),Ki(0,Go(e.x),Oo(e.x).negate(),0),Ki(0,Oo(e.x),Go(e.x),0),Ki(0,0,0,1)),i=tn(Ki(Go(e.y),0,Oo(e.y),0),Ki(0,1,0,0),Ki(Oo(e.y).negate(),0,Go(e.y),0),Ki(0,0,0,1)),n=tn(Ki(Go(e.z),Oo(e.z).negate(),0,0),Ki(Oo(e.z),Go(e.z),0,0),Ki(0,0,1,0),Ki(0,0,0,1));return s.mul(i).mul(n).mul(Ki(r,1)).xyz}}}const wg=wi(Eg),Mg=new ne;class Bg extends gh{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.setDefaultValues(Mg),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,s=this.sizeAttenuation,{positionNode:i,rotationNode:n,scaleNode:o}=this,a=hl.mul(Hi(i||0));let u=ki(ol[0].xyz.length(),ol[1].xyz.length());if(null!==o&&(u=u.mul(Di(o))),!1===s)if(r.isPerspectiveCamera)u=u.mul(a.z.negate());else{const e=Di(2).div(ju.element(1).element(1));u=u.mul(e.mul(2))}let l=fl.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>Ri(new su(e,t,r)))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=Di(n||Ld),c=wg(l,d);return Ki(a.xy.add(c),a.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const Fg=new oe;class Ug extends Bg{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(Fg),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return hl.mul(Hi(e||yl)).xyz}setupVertex(e){const t=super.setupVertex(e);if(!0!==e.material.isNodeMaterial)return t;const{rotationNode:r,scaleNode:s,sizeNode:i}=this,n=fl.xy.toVar(),o=Gc.z.div(Gc.w);if(r&&r.isNode){const e=Di(r);n.assign(wg(n,e))}let a=null!==i?ki(i):Jd;return!0===this.sizeAttenuation&&(a=a.mul(a.div(_l.z.negate()))),s&&s.isNode&&(a=a.mul(ki(s))),n.mulAssign(a.mul(2)),n.assign(n.div(Gc.z)),n.y.assign(n.y.mul(o)),n.assign(n.mul(t.w)),t.addAssign(Ki(n,0,0)),t}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}class Pg extends Dh{constructor(){super(),this.shadowNode=Di(1).toVar("shadowMask")}direct({shadowMask:e}){this.shadowNode.mulAssign(e)}finish(e){xn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(xn.rgb)}}const Ig=new ae;class Lg extends gh{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Ig),this.setValues(e)}setupLightingModel(){return new Pg}}const Dg=Bi((({texture:e,uv:t})=>{const r=1e-4,s=Hi().toVar();return Pi(t.x.lessThan(r),(()=>{s.assign(Hi(1,0,0))})).ElseIf(t.y.lessThan(r),(()=>{s.assign(Hi(0,1,0))})).ElseIf(t.z.lessThan(r),(()=>{s.assign(Hi(0,0,1))})).ElseIf(t.x.greaterThan(.9999),(()=>{s.assign(Hi(-1,0,0))})).ElseIf(t.y.greaterThan(.9999),(()=>{s.assign(Hi(0,-1,0))})).ElseIf(t.z.greaterThan(.9999),(()=>{s.assign(Hi(0,0,-1))})).Else((()=>{const r=.01,i=e.sample(t.add(Hi(-.01,0,0))).r.sub(e.sample(t.add(Hi(r,0,0))).r),n=e.sample(t.add(Hi(0,-.01,0))).r.sub(e.sample(t.add(Hi(0,r,0))).r),o=e.sample(t.add(Hi(0,0,-.01))).r.sub(e.sample(t.add(Hi(0,0,r))).r);s.assign(Hi(i,n,o))})),s.normalize()}));class Vg extends Iu{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return Hi(.5,.5,.5)}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!e.isFlipY()||!0!==r.isRenderTargetTexture&&!0!==r.isFramebufferTexture||(t=this.sampler?t.flipY():t.setY(Vi(Fu(this,this.levelNode).y).sub(t.y).sub(1))),t}generateUV(e,t){return t.build(e,"vec3")}normal(e){return Dg({texture:this,uv:e})}}const Og=wi(Vg);class Gg extends gh{static get type(){return"VolumeNodeMaterial"}constructor(t){super(),this.isVolumeNodeMaterial=!0,this.base=new e(16777215),this.map=null,this.steps=100,this.testNode=null,this.setValues(t)}setup(e){const t=Og(this.map,null,0),r=Bi((({orig:e,dir:t})=>{const r=Hi(-.5),s=Hi(.5),i=t.reciprocal(),n=r.sub(e).mul(i),o=s.sub(e).mul(i),a=na(n,o),u=oa(n,o),l=oa(a.x,oa(a.y,a.z)),d=na(u.x,na(u.y,u.z));return ki(l,d)}));this.fragmentNode=Bi((()=>{const e=Ha(Hi(cl.mul(Ki(Qu,1)))),s=Ha(fl.sub(e)).normalize(),i=ki(r({orig:e,dir:s})).toVar();i.x.greaterThan(i.y).discard(),i.assign(ki(oa(i.x,0),i.y));const n=Hi(e.add(i.x.mul(s))).toVar(),o=Hi(s.abs().reciprocal()).toVar(),a=Di(na(o.x,na(o.y,o.z))).toVar("delta");a.divAssign(Xl("steps","float"));const u=Ki(Xl("base","color"),0).toVar();return vc({type:"float",start:i.x,end:i.y,update:"+= delta"},(()=>{const e=fn("float","d").assign(t.sample(n.add(.5)).r);null!==this.testNode?this.testNode({map:t,mapValue:e,probe:n,finalColor:u}).append():(u.a.assign(1),Nc()),n.addAssign(s.mul(a))})),u.a.equal(0).discard(),Ki(u)}))(),super.setup(e)}}class kg{constructor(e,t){this.nodes=e,this.info=t,this._context=self,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,null!==this._animationLoop&&this._animationLoop(t,r)};e()}stop(){this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class zg{constructor(){this.weakMap=new WeakMap}get(e){let t=this.weakMap;for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this.weakMap;for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this.weakMap;for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let $g=0;class Wg{constructor(e,t,r,s,i,n,o,a,u,l){this.id=$g++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=o,this.lightsNode=a,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.material.addEventListener("dispose",this.onMaterialDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.material.hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set;for(const i of e){const e=i.node&&i.node.attribute?i.node.attribute:t.getAttribute(i.name);if(void 0===e)continue;r.push(e);const n=e.isInterleavedBufferAttribute?e.data:e;s.add(n)}return this.attributes=r,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),o=this.getIndex(),a=null!==o,u=r.isInstancedBufferGeometry?r.instanceCount:e.count>1?e.count:1;if(0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;a?p=o.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t}=this;let r=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const s=t[e];let i;if(null!==s){const e=typeof s;"number"===e?i=0!==s?"1":"0":"object"===e?(i="{",s.isTexture&&(i+=s.mapping),i+="}"):i=String(s)}else i=String(s);r+=i+","}return r+=this.clippingContextCacheKey+",",e.geometry&&(r+=this.getGeometryCacheKey()),e.skeleton&&(r+=e.skeleton.bones.length+","),e.isBatchedMesh&&(r+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(r+=e._colorsTexture.uuid+",")),e.count>1&&(r+=e.uuid+","),r+=e.receiveShadow+",",gs(r)}get needsGeometryUpdate(){return this.geometry.id!==this.object.geometry.id}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=fs(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=fs(e,1)),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}const Hg=[];class jg{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,o,a){const u=this.getChainMap(a);Hg[0]=e,Hg[1]=t,Hg[2]=n,Hg[3]=i;let l=u.get(Hg);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,o,a),u.set(Hg,l)):(l.updateClipping(o),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,o,a)):l.version=t.version)),Hg.length=0,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new zg)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,o,a,u,l,d){const c=this.getChainMap(d),h=new Wg(e,t,r,s,i,n,o,a,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.delete(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class qg{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const Xg=1,Kg=2,Yg=3,Qg=4,Zg=16;class Jg extends qg{constructor(e){super(),this.backend=e}delete(e){const t=super.delete(e);return void 0!==t&&this.backend.destroyAttribute(e),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===Xg?this.backend.createAttribute(e):t===Kg?this.backend.createIndexAttribute(e):t===Yg?this.backend.createStorageAttribute(e):t===Qg&&this.backend.createIndirectStorageAttribute(e),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===f)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function em(e){return null!==e.index?e.index.version:e.attributes.position.version}function tm(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(ue(t)?le:de)(t,1);return i.version=em(e),i}class rm extends qg{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r)};t.addEventListener("dispose",r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,Yg):this.updateAttribute(e,Xg);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,Kg);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,Qg)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=tm(t),e.set(t,r)):r.version!==em(t)&&(this.attributes.delete(r),r=tm(t),e.set(t,r)),s=r}return s}}class sm{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={geometries:0,textures:0}}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):console.error("THREE.WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class im{constructor(e){this.cacheKey=e,this.usedTimes=0}}class nm extends im{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class om extends im{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let am=0;class um{constructor(e,t,r,s=null,i=null){this.id=am++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class lm extends qg{constructor(e,t){super(),this.backend=e,this.nodes=t,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let o=this.programs.compute.get(n.computeShader);void 0===o&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),o=new um(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,o),r.createProgram(o));const a=this._getComputeCacheKey(e,o);let u=this.caches.get(a);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,o,a,t)),u.usedTimes++,o.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),o=e.material?e.material.name:"";let a=this.programs.vertex.get(n.vertexShader);void 0===a&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),a=new um(n.vertexShader,"vertex",o),this.programs.vertex.set(n.vertexShader,a),r.createProgram(a));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new um(n.fragmentShader,"fragment",o),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u));const l=this._getRenderCacheKey(e,a,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,a,u,l,t)):e.pipeline=d,d.usedTimes++,a.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new om(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new nm(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class dm extends qg{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings();for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}_updateBindings(e){for(const t of e)this._update(t,e)}_init(e){for(const t of e.bindings)if(t.isSampledTexture)this.textures.updateTexture(t.texture);else if(t.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?Qg:Yg;this.attributes.update(e,r)}}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,o=0;for(const t of e.bindings){if(t.isNodeUniformsGroup){if(!1===this.nodes.updateGroup(t))continue}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampler)t.update();else if(t.isSampledTexture){const e=this.textures.get(t.texture);t.needsBindingsUpdate(e.generation)&&(s=!0);const a=t.update(),u=t.texture;a&&this.textures.updateTexture(u);const l=r.get(u);if(void 0!==l.externalTexture||e.isDefaultTexture?i=!1:(n=10*n+u.id,o+=u.version),!0===r.isWebGPUBackend&&void 0===l.texture&&void 0===l.externalTexture&&(console.error("Bindings._update: binding should be available:",t,a,u,t.textureNode.value,s),this.textures.updateTexture(u),s=!0),!0===u.isStorageTexture){const e=this.get(u);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(u)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(u),e.needsMipmap=!1)}}}!0===s&&this.backend.updateBindings(e,t,i?n:0,o)}}function cm(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.material.id!==t.material.id?e.material.id-t.material.id:e.z!==t.z?e.z-t.z:e.id-t.id}function hm(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function pm(e){return(e.transmission>0||e.transmissionNode)&&e.side===ce&&!1===e.forceSinglePass}class gm{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lightsNode=e.getNode(t,r),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,o){let a=this.renderItems[this.renderItemsIndex];return void 0===a?(a={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:o},this.renderItems[this.renderItemsIndex]=a):(a.id=e.id,a.object=e,a.geometry=t,a.material=r,a.groupOrder=s,a.renderOrder=e.renderOrder,a.z=i,a.group=n,a.clippingContext=o),this.renderItemsIndex++,a}push(e,t,r,s,i,n,o){const a=this.getNextRenderItem(e,t,r,s,i,n,o);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0?(pm(r)&&this.transparentDoublePass.push(a),this.transparent.push(a)):this.opaque.push(a)}unshift(e,t,r,s,i,n,o){const a=this.getNextRenderItem(e,t,r,s,i,n,o);!0===r.transparent||r.transmission>0?(pm(r)&&this.transparentDoublePass.unshift(a),this.transparent.unshift(a)):this.opaque.unshift(a)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t){this.opaque.length>1&&this.opaque.sort(e||cm),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||hm),this.transparent.length>1&&this.transparent.sort(t||hm)}finish(){this.lightsNode.setLights(this.lightsArray);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const mm=[];class fm{constructor(e){this.lighting=e,this.lists=new zg}get(e,t){const r=this.lists;mm[0]=e,mm[1]=t;let s=r.get(mm);return void 0===s&&(s=new gm(this.lighting,e,t),r.set(mm,s)),mm.length=0,s}dispose(){this.lists=new zg}}let ym=0;class xm{constructor(){this.id=ym++,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.isRenderContext=!0}getCacheKey(){return bm(this)}}function bm(e){const{textures:t,activeCubeFace:r}=e,s=[r];for(const e of t)s.push(e.id);return ms(s)}const Tm=[],_m=new z,vm=new he;class Nm{constructor(){this.chainMaps={}}get(e,t,r=null){let s;if(Tm[0]=e,Tm[1]=t,null===r)s="default";else{const e=r.texture.format;s=`${r.textures.length}:${e}:${r.samples}:${r.depthBuffer}:${r.stencilBuffer}`}const i=this._getChainMap(s);let n=i.get(Tm);return void 0===n&&(n=new xm,i.set(Tm,n)),Tm.length=0,null!==r&&(n.sampleCount=0===r.samples?1:r.samples),n}getForClear(e=null){return this.get(_m,vm,e)}_getChainMap(e){return this.chainMaps[e]||(this.chainMaps[e]=new zg)}dispose(){this.chainMaps={}}}const Sm=new r;class Am extends qg{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,o=this.getSize(n[0]),a=o.width>>t,u=o.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;void 0===l&&d&&(l=new F,l.format=e.stencilBuffer?pe:ge,l.type=e.stencilBuffer?me:b,l.image.width=a,l.image.height=u,i[t]=l),r.width===o.width&&o.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=a,l.image.height=u)),r.width=o.width,r.height=o.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const h={sampleCount:s};if(!0===e.isXRRenderTarget&&!0===e.hasExternalTextures)l&&!0===e.autoAllocateDepthBuffer&&this.updateTexture(l,h);else{for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,h)}l&&this.updateTexture(l,h)}if(!0!==r.initialized){r.initialized=!0;const t=()=>{e.removeEventListener("dispose",t);for(let e=0;e<n.length;e++)this._destroyTexture(n[e]);l&&this._destroyTexture(l),this.delete(e)};e.addEventListener("dispose",t)}}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&(i.destroySampler(e),i.destroyTexture(e)),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:fe}const{width:n,height:o,depth:a}=this.getSize(e);if(t.width=n,t.height=o,t.depth=a,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,o):1,s||!0===e.isStorageTexture)i.createSampler(e),i.createTexture(e,t),r.generation=e.version;else{if(!0!==r.initialized&&i.createSampler(e),e.version>0){const s=e.image;if(void 0===s)console.warn("THREE.Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)console.warn("THREE.Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t),t.needsMipmaps&&0===e.mipmaps.length&&i.generateMipmaps(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version}if(!0!==r.initialized){r.initialized=!0,r.generation=e.version,this.info.memory.textures++;const t=()=>{e.removeEventListener("dispose",t),this._destroyTexture(e),this.info.memory.textures--};e.addEventListener("dispose",t)}r.version=e.version}getSize(e,t=Sm){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.isCompressedTexture?e.mipmaps?e.mipmaps.length:1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return this.isEnvironmentTexture(e)||!0===e.isCompressedTexture||e.generateMipmaps}isEnvironmentTexture(e){const t=e.mapping;return t===j||t===q||t===v||t===N}_destroyTexture(e){this.backend.destroySampler(e),this.backend.destroyTexture(e),this.delete(e)}}class Rm extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class Cm extends mn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getHash(){return this.uuid}generate(){return this.name}}class Em extends Os{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this.isStackNode=!0}getNodeType(e){return this.outputNode?this.outputNode.getNodeType(e):"void"}add(e){return this.nodes.push(e),this}If(e,t){const r=new Ai(t);return this._currentCond=Pa(e,r),this.add(this._currentCond)}ElseIf(e,t){const r=new Ai(t),s=Pa(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new Ai(e),this}build(e,...t){const r=Ui();Fi(this);for(const t of this.nodes)t.build(e,"void");return Fi(r),this.outputNode?this.outputNode.build(e,...t):super.build(e,...t)}else(...e){return console.warn("TSL.StackNode: .else() has been renamed to .Else()."),this.Else(...e)}elseif(...e){return console.warn("TSL.StackNode: .elseif() has been renamed to .ElseIf()."),this.ElseIf(...e)}}const wm=wi(Em);class Mm extends Os{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}setup(e){super.setup(e);const t=this.members,r=[];for(let s=0;s<t.length;s++)r.push(t[s].getNodeType(e));this.nodeType=e.getStructTypeFromNode(this,r).name}generate(e,t){const r=e.getOutputStructName(),s=this.members,i=""!==r?r+".":"";for(let r=0;r<s.length;r++){const n=s[r].build(e,t);e.addLineFlowCode(`${i}m${r} = ${n}`,this)}return r}}const Bm=wi(Mm);function Fm(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class Um extends Mm{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.isMRTNode=!0}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes};return Pm(t)}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const e in t){r[Fm(s,e)]=Ki(t[e])}return this.members=r,super.setup(e)}}const Pm=wi(Um),Im=Bi((([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)})),Lm=(e,t)=>ga(Jn(4,e.mul(Zn(1,e))),t),Dm=Bi((([e])=>e.fract().sub(.5).abs())).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),Vm=Bi((([e])=>Hi(Dm(e.z.add(Dm(e.y.mul(1)))),Dm(e.z.add(Dm(e.x.mul(1)))),Dm(e.y.add(Dm(e.x.mul(1))))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),Om=Bi((([e,t,r])=>{const s=Hi(e).toVar(),i=Di(1.4).toVar(),n=Di(0).toVar(),o=Hi(s).toVar();return vc({start:Di(0),end:Di(3),type:"float",condition:"<="},(()=>{const e=Hi(Vm(o.mul(2))).toVar();s.addAssign(e.add(r.mul(Di(.1).mul(t)))),o.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const a=Di(Dm(s.z.add(Dm(s.x.add(Dm(s.y)))))).toVar();n.addAssign(a.div(i)),o.addAssign(.14)})),n})).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class Gm extends Os{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFnCall=null,this.global=!0}getNodeType(){return this.functionNodes[0].shaderNode.layout.type}setup(e){const t=this.parametersNodes;let r=this._candidateFnCall;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("FunctionOverloadingNode: FunctionNode must be a layout.");const o=n.inputs;if(t.length===o.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=o[r];s.getNodeType(e)===i.type?n++:n=0}n>i&&(s=r,i=n)}}this._candidateFnCall=r=s(...t)}return r}}const km=wi(Gm),zm=e=>(...t)=>km(e,...t),$m=gn(0).setGroup(cn).onRenderUpdate((e=>e.time)),Wm=gn(0).setGroup(cn).onRenderUpdate((e=>e.deltaTime)),Hm=gn(0,"uint").setGroup(cn).onRenderUpdate((e=>e.frameId)),jm=Bi((([e,t,r=ki(.5)])=>wg(e.sub(r),t).add(r))),qm=Bi((([e,t,r=ki(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))})),Xm=Bi((({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=ol.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=ol;const i=Xu.mul(s);return Ni(t)&&(i[0][0]=ol[0].length(),i[0][1]=0,i[0][2]=0),Ni(r)&&(i[1][0]=0,i[1][1]=ol[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,ju.mul(i).mul(yl)})),Km=Bi((([e=null])=>{const t=ah();return ah(Jc(e)).sub(t).lessThan(0).select(Dc,e)}));class Ym extends Os{static get type(){return"SpriteSheetUVNode"}constructor(e,t=Mu(),r=Di(0)){super("vec2"),this.countNode=e,this.uvNode=t,this.frameNode=r}setup(){const{frameNode:e,uvNode:t,countNode:r}=this,{width:s,height:i}=r,n=e.mod(s.mul(i)).floor(),o=n.mod(s),a=i.sub(n.add(1).div(s).ceil()),u=r.reciprocal(),l=ki(o,a);return t.add(l).mul(u)}}const Qm=wi(Ym);class Zm extends Os{static get type(){return"TriplanarTexturesNode"}constructor(e,t=null,r=null,s=Di(1),i=yl,n=Cl){super("vec4"),this.textureXNode=e,this.textureYNode=t,this.textureZNode=r,this.scaleNode=s,this.positionNode=i,this.normalNode=n}setup(){const{textureXNode:e,textureYNode:t,textureZNode:r,scaleNode:s,positionNode:i,normalNode:n}=this;let o=n.abs().normalize();o=o.div(o.dot(Hi(1)));const a=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=Lu(d,a).mul(o.x),g=Lu(c,u).mul(o.y),m=Lu(h,l).mul(o.z);return Qn(p,g,m)}}const Jm=wi(Zm),ef=new xe,tf=new r,rf=new r,sf=new r,nf=new o,of=new r(0,0,-1),af=new s,uf=new r,lf=new r,df=new s,cf=new t,hf=new ye,pf=Dc.flipX();hf.depthTexture=new F(1,1);let gf=!1;class mf extends Iu{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||hf.texture,pf),this._reflectorBaseNode=e.reflector||new ff(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=Ri(new mf({defaultTexture:hf.depthTexture,reflector:this._reflectorBaseNode}))}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e._reflectorBaseNode=this._reflectorBaseNode,e}}class ff extends Os{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new be,resolution:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:o=!1}=t;this.textureNode=e,this.target=r,this.resolution=s,this.generateMipmaps=i,this.bounces=n,this.depth=o,this.updateBeforeType=n?Bs.RENDER:Bs.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new WeakMap}_updateResolution(e,t){const r=this.resolution;t.getDrawingBufferSize(cf),e.setSize(Math.round(cf.width*r),Math.round(cf.height*r))}setup(e){return this._updateResolution(hf,e.renderer),super.setup(e)}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new ye(0,0,{type:Te}),!0===this.generateMipmaps&&(t.texture.minFilter=_e,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new F),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&gf)return!1;gf=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,o=this.getVirtualCamera(r),a=this.getRenderTarget(o);if(s.getDrawingBufferSize(cf),this._updateResolution(a,s),rf.setFromMatrixPosition(n.matrixWorld),sf.setFromMatrixPosition(r.matrixWorld),nf.extractRotation(n.matrixWorld),tf.set(0,0,1),tf.applyMatrix4(nf),uf.subVectors(rf,sf),uf.dot(tf)>0)return;uf.reflect(tf).negate(),uf.add(rf),nf.extractRotation(r.matrixWorld),of.set(0,0,-1),of.applyMatrix4(nf),of.add(sf),lf.subVectors(rf,of),lf.reflect(tf).negate(),lf.add(rf),o.coordinateSystem=r.coordinateSystem,o.position.copy(uf),o.up.set(0,1,0),o.up.applyMatrix4(nf),o.up.reflect(tf),o.lookAt(lf),o.near=r.near,o.far=r.far,o.updateMatrixWorld(),o.projectionMatrix.copy(r.projectionMatrix),ef.setFromNormalAndCoplanarPoint(tf,rf),ef.applyMatrix4(o.matrixWorldInverse),af.set(ef.normal.x,ef.normal.y,ef.normal.z,ef.constant);const u=o.projectionMatrix;df.x=(Math.sign(af.x)+u.elements[8])/u.elements[0],df.y=(Math.sign(af.y)+u.elements[9])/u.elements[5],df.z=-1,df.w=(1+u.elements[10])/u.elements[14],af.multiplyScalar(1/af.dot(df));u.elements[2]=af.x,u.elements[6]=af.y,u.elements[10]=s.coordinateSystem===d?af.z-0:af.z+1-0,u.elements[14]=af.w,this.textureNode.value=a.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=a.depthTexture),i.visible=!1;const l=s.getRenderTarget(),c=s.getMRT(),h=s.autoClear;s.setMRT(null),s.setRenderTarget(a),s.autoClear=!0,s.render(t,o),s.setMRT(c),s.setRenderTarget(l),s.autoClear=h,i.visible=!0,gf=!1}}const yf=new ve(-1,1,1,-1,0,1);class xf extends Ne{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new Se([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new Se(t,2))}}const bf=new xf;class Tf extends k{constructor(e=null){super(bf,e),this.camera=yf,this.isQuadMesh=!0}async renderAsync(e){return e.renderAsync(this,yf)}render(e){e.render(this,yf)}}const _f=new t;class vf extends Iu{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:Te}){const i=new ye(t,r,s);super(i.texture,Mu()),this.node=e,this.width=t,this.height=r,this.pixelRatio=1,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._rttNode=null,this._quadMesh=new Tf(new gh),this.updateBeforeType=Bs.RENDER}get autoSize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){this.width=e,this.height=t;const r=e*this.pixelRatio,s=t*this.pixelRatio;this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setPixelRatio(e){this.pixelRatio=e,this.setSize(this.width,this.height)}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;if(this.textureNeedsUpdate=!1,!0===this.autoSize){this.pixelRatio=e.getPixelRatio();const t=e.getSize(_f);this.setSize(t.width,t.height)}this._quadMesh.material.fragmentNode=this._rttNode;const t=e.getRenderTarget();e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(t)}clone(){const e=new Iu(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const Nf=(e,...t)=>Ri(new vf(Ri(e),...t)),Sf=Bi((([e,t,r],s)=>{let i;s.renderer.coordinateSystem===d?(e=ki(e.x,e.y.oneMinus()).mul(2).sub(1),i=Ki(Hi(e,t),1)):i=Ki(Hi(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=Ki(r.mul(i));return n.xyz.div(n.w)})),Af=Bi((([e,t])=>{const r=t.mul(Ki(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return ki(s.x,s.y.oneMinus())})),Rf=Bi((([e,t,r])=>{const s=Fu(Du(t)),i=zi(e.mul(s)).toVar(),n=Du(t,i).toVar(),o=Du(t,i.sub(zi(2,0))).toVar(),a=Du(t,i.sub(zi(1,0))).toVar(),u=Du(t,i.add(zi(1,0))).toVar(),l=Du(t,i.add(zi(2,0))).toVar(),d=Du(t,i.add(zi(0,2))).toVar(),c=Du(t,i.add(zi(0,1))).toVar(),h=Du(t,i.sub(zi(0,1))).toVar(),p=Du(t,i.sub(zi(0,2))).toVar(),g=Ho(Zn(Di(2).mul(a).sub(o),n)).toVar(),m=Ho(Zn(Di(2).mul(u).sub(l),n)).toVar(),f=Ho(Zn(Di(2).mul(c).sub(d),n)).toVar(),y=Ho(Zn(Di(2).mul(h).sub(p),n)).toVar(),x=Sf(e,n,r).toVar(),b=g.lessThan(m).select(x.sub(Sf(e.sub(ki(Di(1).div(s.x),0)),a,r)),x.negate().add(Sf(e.add(ki(Di(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(x.sub(Sf(e.add(ki(0,Di(1).div(s.y))),c,r)),x.negate().add(Sf(e.sub(ki(0,Di(1).div(s.y))),h,r)));return Do(pa(b,T))}));class Cf extends C{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class Ef extends Ae{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class wf extends Gs{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.context.assign;if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const Mf=wi(wf);class Bf extends Vu{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t=_s(e.itemSize),r=e.count),super(e,t,r),this.isStorageBufferNode=!0,this.access=Us.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){if(0===this.bufferCount){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return Mf(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(Us.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=du(this.value),this._varying=Ha(this._attribute)),{attribute:this._attribute,varying:this._varying}}getNodeType(e){if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.getNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}generate(e){if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const Ff=(e,t=null,r=0)=>Ri(new Bf(e,t,r));class Uf extends Eu{static get type(){return"VertexColorNode"}constructor(e=0){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}class Pf extends Os{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const If=Mi(Pf),Lf=new Ce,Df=new o;class Vf extends Os{static get type(){return"SceneNode"}constructor(e=Vf.BACKGROUND_BLURRINESS,t=null){super(),this.scope=e,this.scene=t}setup(e){const t=this.scope,r=null!==this.scene?this.scene:e.scene;let s;return t===Vf.BACKGROUND_BLURRINESS?s=Hl("backgroundBlurriness","float",r):t===Vf.BACKGROUND_INTENSITY?s=Hl("backgroundIntensity","float",r):t===Vf.BACKGROUND_ROTATION?s=gn("mat4").label("backgroundRotation").setGroup(cn).onRenderUpdate((()=>{const e=r.background;return null!==e&&e.isTexture&&e.mapping!==Re?(Lf.copy(r.backgroundRotation),Lf.x*=-1,Lf.y*=-1,Lf.z*=-1,Df.makeRotationFromEuler(Lf)):Df.identity(),Df})):console.error("THREE.SceneNode: Unknown scope:",t),s}}Vf.BACKGROUND_BLURRINESS="backgroundBlurriness",Vf.BACKGROUND_INTENSITY="backgroundIntensity",Vf.BACKGROUND_ROTATION="backgroundRotation";const Of=Mi(Vf,Vf.BACKGROUND_BLURRINESS),Gf=Mi(Vf,Vf.BACKGROUND_INTENSITY),kf=Mi(Vf,Vf.BACKGROUND_ROTATION);class zf extends Iu{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.isStorageTextureNode=!0,this.access=Us.WRITE_ONLY}getInputType(){return"storageTexture"}setup(e){super.setup(e);e.getNodeProperties(this).storeNode=this.storeNode}setAccess(e){return this.access=e,this}generate(e,t){let r;return r=null!==this.storeNode?this.generateStore(e):super.generate(e,t),r}toReadWrite(){return this.setAccess(Us.READ_WRITE)}toReadOnly(){return this.setAccess(Us.READ_ONLY)}toWriteOnly(){return this.setAccess(Us.WRITE_ONLY)}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s}=t,i=super.generate(e,"property"),n=r.build(e,"uvec2"),o=s.build(e,"vec4"),a=e.generateTextureStore(e,i,n,o);e.addLineFlowCode(a,this)}}const $f=wi(zf);class Wf extends Wl{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const Hf=new WeakMap;class jf extends zs{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=Bs.OBJECT,this.updateAfterType=Bs.OBJECT,this.previousModelWorldMatrix=gn(new o),this.previousProjectionMatrix=gn(new o).setGroup(cn),this.previousCameraViewMatrix=gn(new o)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=Xf(r);this.previousModelWorldMatrix.value.copy(s);const i=qf(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new o,i.previousCameraViewMatrix=new o,i.currentProjectionMatrix=new o,i.currentCameraViewMatrix=new o,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){Xf(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?ju:gn(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(hl).mul(yl),s=this.previousProjectionMatrix.mul(t).mul(xl),i=r.xy.div(r.w),n=s.xy.div(s.w);return Zn(i,n)}}function qf(e){let t=Hf.get(e);return void 0===t&&(t={},Hf.set(e,t)),t}function Xf(e,t=0){const r=qf(e);let s=r[t];return void 0===s&&(r[t]=s=new o),s}const Kf=Mi(jf),Yf=Bi((([e,t])=>na(1,e.oneMinus().div(t)).oneMinus())).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Qf=Bi((([e,t])=>na(e.div(t.oneMinus()),1))).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Zf=Bi((([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus())).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Jf=Bi((([e,t])=>_a(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),ua(.5,e)))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),ey=Bi((([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return Ki(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)})).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),ty=Bi((([e])=>ny(e.rgb))),ry=Bi((([e,t=Di(1)])=>t.mix(ny(e.rgb),e.rgb))),sy=Bi((([e,t=Di(1)])=>{const r=Qn(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return _a(e.rgb,s,i)})),iy=Bi((([e,t=Di(1)])=>{const r=Hi(.57735,.57735,.57735),s=t.cos();return Hi(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(ha(r,e.rgb).mul(s.oneMinus())))))})),ny=(e,t=Hi(c.getLuminanceCoefficients(new r)))=>ha(e,t),oy=Bi((([e,t=Hi(1),s=Hi(0),i=Hi(1),n=Di(1),o=Hi(c.getLuminanceCoefficients(new r,Ee))])=>{const a=e.rgb.dot(Hi(o)),u=oa(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return Pi(u.r.greaterThan(0),(()=>{u.r.assign(l.r)})),Pi(u.g.greaterThan(0),(()=>{u.g.assign(l.g)})),Pi(u.b.greaterThan(0),(()=>{u.b.assign(l.b)})),u.assign(a.add(u.sub(a).mul(n))),Ki(u.rgb,e.a)}));class ay extends zs{static get type(){return"PosterizeNode"}constructor(e,t){super(),this.sourceNode=e,this.stepsNode=t}setup(){const{sourceNode:e,stepsNode:t}=this;return e.mul(t).floor().div(t)}}const uy=wi(ay),ly=new t;class dy extends Iu{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.setUpdateMatrix(!1)}setup(e){return e.object.isQuadMesh&&this.passNode.build(e),super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class cy extends dy{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){return new this.constructor(this.passNode,this.textureName,this.previousTexture)}}class hy extends zs{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._pixelRatio=1,this._width=1,this._height=1;const i=new F;i.isRenderTargetTexture=!0,i.name="depth";const n=new ye(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:Te,...s});n.texture.name="output",n.depthTexture=i,this.renderTarget=n,this._textures={output:n.texture,depth:i},this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=gn(0),this._cameraFar=gn(0),this._mrt=null,this.isPassNode=!0,this.updateBeforeType=Bs.FRAME}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}isGlobal(){return!0}getTexture(e){let t=this._textures[e];if(void 0===t){t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=Ri(new cy(this,e)),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=Ri(new cy(this,e,!0)),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=sh(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=th(i,r,s)}return t}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,!0===e.backend.isWebGLBackend&&(this.renderTarget.samples=0),this.scope===hy.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r,camera:s}=this;this._pixelRatio=t.getPixelRatio();const i=t.getSize(ly);this.setSize(i.width,i.height);const n=t.getRenderTarget(),o=t.getMRT();this._cameraNear.value=s.near,this._cameraFar.value=s.far;for(const e in this._previousTextures)this.toggleTexture(e);t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.render(r,s),t.setRenderTarget(n),t.setMRT(o)}setSize(e,t){this._width=e,this._height=t;const r=this._width*this._pixelRatio,s=this._height*this._pixelRatio;this.renderTarget.setSize(r,s)}setPixelRatio(e){this._pixelRatio=e,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}hy.COLOR="color",hy.DEPTH="depth";class py extends hy{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(hy.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction(((e,r,s,i,n,o,a,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,o,a,u)}t.renderObject(e,r,s,i,n,o,a,u)})),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new gh;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=_;const t=Cl.negate(),r=ju.mul(hl),s=Di(1),i=r.mul(Ki(yl,1)),n=r.mul(Ki(yl.add(t),1)),o=Do(i.sub(n));return e.vertexNode=i.add(o.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=Ki(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const gy=Bi((([e,t])=>e.mul(t).clamp())).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),my=Bi((([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp())).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),fy=Bi((([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)})).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),yy=Bi((([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)})),xy=Bi((([e,t])=>{const r=en(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=en(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=yy(e),(e=s.mul(e)).clamp()})).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),by=en(Hi(1.6605,-.1246,-.0182),Hi(-.5876,1.1329,-.1006),Hi(-.0728,-.0083,1.1187)),Ty=en(Hi(.6274,.0691,.0164),Hi(.3293,.9195,.088),Hi(.0433,.0113,.8956)),_y=Bi((([e])=>{const t=Hi(e).toVar(),r=Hi(t.mul(t)).toVar(),s=Hi(r.mul(r)).toVar();return Di(15.5).mul(s.mul(r)).sub(Jn(40.14,s.mul(t))).add(Jn(31.96,s).sub(Jn(6.868,r.mul(t))).add(Jn(.4298,r).add(Jn(.1191,t).sub(.00232))))})),vy=Bi((([e,t])=>{const r=Hi(e).toVar(),s=en(Hi(.856627153315983,.137318972929847,.11189821299995),Hi(.0951212405381588,.761241990602591,.0767994186031903),Hi(.0482516061458583,.101439036467562,.811302368396859)),i=en(Hi(1.1271005818144368,-.1413297634984383,-.14132976349843826),Hi(-.11060664309660323,1.157823702216272,-.11060664309660294),Hi(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=Di(-12.47393),o=Di(4.026069);return r.mulAssign(t),r.assign(Ty.mul(r)),r.assign(s.mul(r)),r.assign(oa(r,1e-10)),r.assign(Fo(r)),r.assign(r.sub(n).div(o.sub(n))),r.assign(va(r,0,1)),r.assign(_y(r)),r.assign(i.mul(r)),r.assign(ga(oa(Hi(0),r),Hi(2.2))),r.assign(by.mul(r)),r.assign(va(r,0,1)),r})).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),Ny=Bi((([e,t])=>{const r=Di(.76),s=Di(.15);e=e.mul(t);const i=na(e.r,na(e.g,e.b)),n=Pa(i.lessThan(.08),i.sub(Jn(6.25,i.mul(i))),.04);e.subAssign(n);const o=oa(e.r,oa(e.g,e.b));Pi(o.lessThan(r),(()=>e));const a=Zn(1,r),u=Zn(1,a.mul(a).div(o.add(a.sub(r))));e.mulAssign(u.div(o));const l=Zn(1,eo(1,s.mul(o.sub(u)).add(1)));return _a(e,Hi(u),l)})).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class Sy extends Os{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.code=e,this.includes=t,this.language=r}isGlobal(){return!0}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const Ay=wi(Sy);class Ry extends Sy{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}getNodeType(e){return this.getNodeFunction(e).type}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const o=e.getPropertyName(n),a=this.getNodeFunction(e).getCode(o);return n.code=a+"\n","property"===t?o:e.format(`${o}()`,i,t)}}const Cy=(e,t=[],r="")=>{for(let e=0;e<t.length;e++){const r=t[e];"function"==typeof r&&(t[e]=r.functionNode)}const s=Ri(new Ry(e,t,r)),i=(...e)=>s.call(...e);return i.functionNode=s,i};class Ey extends Os{static get type(){return"ScriptableValueNode"}constructor(e=null){super(),this._value=e,this._cache=null,this.inputType=null,this.outputType=null,this.events=new a,this.isScriptableValueNode=!0}get isScriptableOutputNode(){return null!==this.outputType}set value(e){this._value!==e&&(this._cache&&"URL"===this.inputType&&this.value.value instanceof ArrayBuffer&&(URL.revokeObjectURL(this._cache),this._cache=null),this._value=e,this.events.dispatchEvent({type:"change"}),this.refresh())}get value(){return this._value}refresh(){this.events.dispatchEvent({type:"refresh"})}getValue(){const e=this.value;if(e&&null===this._cache&&"URL"===this.inputType&&e.value instanceof ArrayBuffer)this._cache=URL.createObjectURL(new Blob([e.value]));else if(e&&null!==e.value&&void 0!==e.value&&(("URL"===this.inputType||"String"===this.inputType)&&"string"==typeof e.value||"Number"===this.inputType&&"number"==typeof e.value||"Vector2"===this.inputType&&e.value.isVector2||"Vector3"===this.inputType&&e.value.isVector3||"Vector4"===this.inputType&&e.value.isVector4||"Color"===this.inputType&&e.value.isColor||"Matrix3"===this.inputType&&e.value.isMatrix3||"Matrix4"===this.inputType&&e.value.isMatrix4))return e.value;return this._cache||e}getNodeType(e){return this.value&&this.value.isNode?this.value.getNodeType(e):"float"}setup(){return this.value&&this.value.isNode?this.value:Di()}serialize(e){super.serialize(e),null!==this.value?"ArrayBuffer"===this.inputType?e.value=Cs(this.value):e.value=this.value?this.value.toJSON(e.meta).uuid:null:e.value=null,e.inputType=this.inputType,e.outputType=this.outputType}deserialize(e){super.deserialize(e);let t=null;null!==e.value&&(t="ArrayBuffer"===e.inputType?Es(e.value):"Texture"===e.inputType?e.meta.textures[e.value]:e.meta.nodes[e.value]||null),this.value=t,this.inputType=e.inputType,this.outputType=e.outputType}}const wy=wi(Ey);class My extends Map{get(e,t=null,...r){if(this.has(e))return super.get(e);if(null!==t){const s=t(...r);return this.set(e,s),s}}}class By{constructor(e){this.scriptableNode=e}get parameters(){return this.scriptableNode.parameters}get layout(){return this.scriptableNode.getLayout()}getInputLayout(e){return this.scriptableNode.getInputLayout(e)}get(e){const t=this.parameters[e];return t?t.getValue():null}}const Fy=new My;class Uy extends Os{static get type(){return"ScriptableNode"}constructor(e=null,t={}){super(),this.codeNode=e,this.parameters=t,this._local=new My,this._output=wy(),this._outputs={},this._source=this.source,this._method=null,this._object=null,this._value=null,this._needsOutputUpdate=!0,this.onRefresh=this.onRefresh.bind(this),this.isScriptableNode=!0}get source(){return this.codeNode?this.codeNode.code:""}setLocal(e,t){return this._local.set(e,t)}getLocal(e){return this._local.get(e)}onRefresh(){this._refresh()}getInputLayout(e){for(const t of this.getLayout())if(t.inputType&&(t.id===e||t.name===e))return t}getOutputLayout(e){for(const t of this.getLayout())if(t.outputType&&(t.id===e||t.name===e))return t}setOutput(e,t){const r=this._outputs;return void 0===r[e]?r[e]=wy(t):r[e].value=t,this}getOutput(e){return this._outputs[e]}getParameter(e){return this.parameters[e]}setParameter(e,t){const r=this.parameters;return t&&t.isScriptableNode?(this.deleteParameter(e),r[e]=t,r[e].getDefaultOutput().events.addEventListener("refresh",this.onRefresh)):t&&t.isScriptableValueNode?(this.deleteParameter(e),r[e]=t,r[e].events.addEventListener("refresh",this.onRefresh)):void 0===r[e]?(r[e]=wy(t),r[e].events.addEventListener("refresh",this.onRefresh)):r[e].value=t,this}getValue(){return this.getDefaultOutput().getValue()}deleteParameter(e){let t=this.parameters[e];return t&&(t.isScriptableNode&&(t=t.getDefaultOutput()),t.events.removeEventListener("refresh",this.onRefresh)),this}clearParameters(){for(const e of Object.keys(this.parameters))this.deleteParameter(e);return this.needsUpdate=!0,this}call(e,...t){const r=this.getObject()[e];if("function"==typeof r)return r(...t)}async callAsync(e,...t){const r=this.getObject()[e];if("function"==typeof r)return"AsyncFunction"===r.constructor.name?await r(...t):r(...t)}getNodeType(e){return this.getDefaultOutputNode().getNodeType(e)}refresh(e=null){null!==e?this.getOutput(e).refresh():this._refresh()}getObject(){if(this.needsUpdate&&this.dispose(),null!==this._object)return this._object;const e=new By(this),t=Fy.get("THREE"),r=Fy.get("TSL"),s=this.getMethod(),i=[e,this._local,Fy,()=>this.refresh(),(e,t)=>this.setOutput(e,t),t,r];this._object=s(...i);const n=this._object.layout;if(n&&(!1===n.cache&&this._local.clear(),this._output.outputType=n.outputType||null,Array.isArray(n.elements)))for(const e of n.elements){const t=e.id||e.name;e.inputType&&(void 0===this.getParameter(t)&&this.setParameter(t,null),this.getParameter(t).inputType=e.inputType),e.outputType&&(void 0===this.getOutput(t)&&this.setOutput(t,null),this.getOutput(t).outputType=e.outputType)}return this._object}deserialize(e){super.deserialize(e);for(const e in this.parameters){let t=this.parameters[e];t.isScriptableNode&&(t=t.getDefaultOutput()),t.events.addEventListener("refresh",this.onRefresh)}}getLayout(){return this.getObject().layout}getDefaultOutputNode(){const e=this.getDefaultOutput().value;return e&&e.isNode?e:Di()}getDefaultOutput(){return this._exec()._output}getMethod(){if(this.needsUpdate&&this.dispose(),null!==this._method)return this._method;const e=["layout","init","main","dispose"].join(", "),t="\nreturn { ...output, "+e+" };",r="var "+e+"; var output = {};\n"+this.codeNode.code+t;return this._method=new Function(...["parameters","local","global","refresh","setOutput","THREE","TSL"],r),this._method}dispose(){null!==this._method&&(this._object&&"function"==typeof this._object.dispose&&this._object.dispose(),this._method=null,this._object=null,this._source=null,this._value=null,this._needsOutputUpdate=!0,this._output.value=null,this._outputs={})}setup(){return this.getDefaultOutputNode()}getCacheKey(e){const t=[gs(this.source),this.getDefaultOutputNode().getCacheKey(e)];for(const r in this.parameters)t.push(this.parameters[r].getCacheKey(e));return ms(t)}set needsUpdate(e){!0===e&&this.dispose()}get needsUpdate(){return this.source!==this._source}_exec(){return null===this.codeNode||(!0===this._needsOutputUpdate&&(this._value=this.call("main"),this._needsOutputUpdate=!1),this._output.value=this._value),this}_refresh(){this.needsUpdate=!0,this._exec(),this._output.refresh()}}const Py=wi(Uy);function Iy(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||_l.z).negate()}const Ly=Bi((([e,t],r)=>{const s=Iy(r);return Aa(e,t,s)})),Dy=Bi((([e],t)=>{const r=Iy(t);return e.mul(e,r,r).negate().exp().oneMinus()})),Vy=Bi((([e,t])=>Ki(t.toFloat().mix(Ln.rgb,e.toVec3()),Ln.a)));let Oy=null,Gy=null;class ky extends Os{static get type(){return"RangeNode"}constructor(e=Di(),t=Di()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=e.getTypeLength(Ss(this.minNode.value)),r=e.getTypeLength(Ss(this.maxNode.value));return t>r?t:r}getNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.minNode.value,n=this.maxNode.value,o=e.getTypeLength(Ss(i)),a=e.getTypeLength(Ss(n));Oy=Oy||new s,Gy=Gy||new s,Oy.setScalar(0),Gy.setScalar(0),1===o?Oy.setScalar(i):i.isColor?Oy.set(i.r,i.g,i.b,1):Oy.set(i.x,i.y,i.z||0,i.w||0),1===a?Gy.setScalar(n):n.isColor?Gy.set(n.r,n.g,n.b,1):Gy.set(n.x,n.y,n.z||0,n.w||0);const l=4,d=l*t.count,c=new Float32Array(d);for(let e=0;e<d;e++){const t=e%l,r=Oy.getComponent(t),s=Gy.getComponent(t);c[e]=u.lerp(r,s,Math.random())}const h=this.getNodeType(e);if(t.count<=4096)r=Ou(c,"vec4",t.count).element(ac).convert(h);else{const t=new C(c,4);e.geometry.setAttribute("__range"+this.id,t),r=hu(t).convert(h)}}else r=Di(0);return r}}const zy=wi(ky);class $y extends Os{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}getNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(console.warn(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const Wy=(e,t)=>Ri(new $y(e,t)),Hy=Wy("numWorkgroups","uvec3"),jy=Wy("workgroupId","uvec3"),qy=Wy("globalId","uvec3"),Xy=Wy("localId","uvec3"),Ky=Wy("subgroupSize","uint");const Yy=wi(class extends Os{constructor(e){super(),this.scope=e}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}});class Qy extends Gs{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.context.assign;if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class Zy extends Os{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e}label(e){return this.name=e,this}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return Ri(new Qy(this,e))}generate(e){return e.getScopedArray(this.name||`${this.scope}Array_${this.id}`,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class Jy extends zs{static get type(){return"AtomicFunctionNode"}constructor(e,t,r,s=null){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.storeNode=s}getInputType(e){return this.pointerNode.getNodeType(e)}getNodeType(e){return this.getInputType(e)}generate(e){const t=this.method,r=this.getNodeType(e),s=this.getInputType(e),i=this.pointerNode,n=this.valueNode,o=[];o.push(`&${i.build(e,s)}`),null!==n&&o.push(n.build(e,s));const a=`${e.getMethod(t,r)}( ${o.join(", ")} )`;if(null!==this.storeNode){const t=this.storeNode.build(e,s);e.addLineFlowCode(`${t} = ${a}`,this)}else e.addLineFlowCode(a,this)}}Jy.ATOMIC_LOAD="atomicLoad",Jy.ATOMIC_STORE="atomicStore",Jy.ATOMIC_ADD="atomicAdd",Jy.ATOMIC_SUB="atomicSub",Jy.ATOMIC_MAX="atomicMax",Jy.ATOMIC_MIN="atomicMin",Jy.ATOMIC_AND="atomicAnd",Jy.ATOMIC_OR="atomicOr",Jy.ATOMIC_XOR="atomicXor";const ex=wi(Jy),tx=(e,t,r,s=null)=>{const i=ex(e,t,r,s);return i.append(),i};let rx;function sx(e){rx=rx||new WeakMap;let t=rx.get(e);return void 0===t&&rx.set(e,t={}),t}function ix(e){const t=sx(e);return t.shadowMatrix||(t.shadowMatrix=gn("mat4").setGroup(cn).onRenderUpdate((()=>(!0!==e.castShadow&&e.shadow.updateMatrices(e),e.shadow.matrix))))}function nx(e){const t=sx(e);if(void 0===t.projectionUV){const r=ix(e).mul(bl);t.projectionUV=r.xyz.div(r.w)}return t.projectionUV}function ox(e){const t=sx(e);return t.position||(t.position=gn(new r).setGroup(cn).onRenderUpdate(((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld))))}function ax(e){const t=sx(e);return t.targetPosition||(t.targetPosition=gn(new r).setGroup(cn).onRenderUpdate(((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld))))}function ux(e){const t=sx(e);return t.viewPosition||(t.viewPosition=gn(new r).setGroup(cn).onRenderUpdate((({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)})))}const lx=e=>Xu.transformDirection(ox(e).sub(ax(e))),dx=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},cx=new WeakMap;class hx extends Os{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=Hi().toVar("totalDiffuse"),this.totalSpecularNode=Hi().toVar("totalSpecular"),this.outgoingLightNode=Hi().toVar("outgoingLight"),this._lights=[],this._lightNodes=null,this._lightNodesHash=null,this.global=!0}customCacheKey(){const e=[],t=this._lights;for(let r=0;r<t.length;r++)e.push(t[r].id);return ms(e)}getHash(e){if(null===this._lightNodesHash){null===this._lightNodes&&this.setupLightsNode(e);const t=[];for(const e of this._lightNodes)t.push(e.getSelf().getHash());this._lightNodesHash="lights-"+t.join(",")}return this._lightNodesHash}analyze(e){const t=e.getDataFromNode(this);for(const r of t.nodes)r.build(e)}setupLightsNode(e){const t=[],r=this._lightNodes,s=(e=>e.sort(((e,t)=>e.id-t.id)))(this._lights),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(Ri(e));else{let s=null;if(null!==r&&(s=dx(e.id,r)),null===s){const r=i.getLightNodeClass(e.constructor);if(null===r){console.warn(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}let s=null;cx.has(e)?s=cx.get(e):(s=Ri(new r(e)),cx.set(e,s)),t.push(s)}}this._lightNodes=t}setupLights(e,t){for(const r of t)r.build(e)}setup(e){null===this._lightNodes&&this.setupLightsNode(e);const t=e.context,r=t.lightingModel;let s=this.outgoingLightNode;if(r){const{_lightNodes:i,totalDiffuseNode:n,totalSpecularNode:o}=this;t.outgoingLight=s;const a=e.addStack();e.getDataFromNode(this).nodes=a.nodes,r.start(t,a,e),this.setupLights(e,i),r.indirect(t,a,e);const{backdrop:u,backdropAlpha:l}=t,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=t.reflectedLight;let g=d.add(h);null!==u&&(g=Hi(null!==l?l.mix(g,u):u),t.material.transparent=!0),n.assign(g),o.assign(c.add(p)),s.assign(n.add(o)),r.finish(t,a,e),s=s.bypass(e.removeStack())}return s}setLights(e){return this._lights=e,this._lightNodes=null,this._lightNodesHash=null,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class px extends Os{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=Bs.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({material:e}){gx.assign(e.shadowPositionNode||bl)}dispose(){this.updateBeforeType=Bs.NONE}}const gx=Hi().toVar("shadowPositionWorld");function mx(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function fx(e,t){return t=mx(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function yx(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function xx(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function bx(e,t){return t=xx(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function Tx(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function _x(e,t,r){return r=bx(t,r=fx(e,r))}function vx(e,t,r){yx(e,r),Tx(t,r)}var Nx=Object.freeze({__proto__:null,resetRendererAndSceneState:_x,resetRendererState:fx,resetSceneState:bx,restoreRendererAndSceneState:vx,restoreRendererState:yx,restoreSceneState:Tx,saveRendererAndSceneState:function(e,t,r={}){return r=xx(t,r=mx(e,r))},saveRendererState:mx,saveSceneState:xx});const Sx=new WeakMap,Ax=Bi((([e,t,r])=>{let s=bl.sub(e).length();return s=s.sub(t).div(r.sub(t)),s=s.saturate(),s})),Rx=e=>{let t=Sx.get(e);if(void 0===t){const r=e.isPointLight?(e=>{const t=e.shadow.camera,r=Hl("near","float",t).setGroup(cn),s=Hl("far","float",t).setGroup(cn),i=tl(e);return Ax(i,r,s)})(e):null;t=new gh,t.colorNode=Ki(0,0,0,1),t.depthNode=r,t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.fog=!1,Sx.set(e,t)}return t},Cx=Bi((({depthTexture:e,shadowCoord:t})=>Lu(e,t.xy).compare(t.z))),Ex=Bi((({depthTexture:e,shadowCoord:t,shadow:r})=>{const s=(t,r)=>Lu(e,t).compare(r),i=Hl("mapSize","vec2",r).setGroup(cn),n=Hl("radius","float",r).setGroup(cn),o=ki(1).div(i),a=o.x.negate().mul(n),u=o.y.negate().mul(n),l=o.x.mul(n),d=o.y.mul(n),c=a.div(2),h=u.div(2),p=l.div(2),g=d.div(2);return Qn(s(t.xy.add(ki(a,u)),t.z),s(t.xy.add(ki(0,u)),t.z),s(t.xy.add(ki(l,u)),t.z),s(t.xy.add(ki(c,h)),t.z),s(t.xy.add(ki(0,h)),t.z),s(t.xy.add(ki(p,h)),t.z),s(t.xy.add(ki(a,0)),t.z),s(t.xy.add(ki(c,0)),t.z),s(t.xy,t.z),s(t.xy.add(ki(p,0)),t.z),s(t.xy.add(ki(l,0)),t.z),s(t.xy.add(ki(c,g)),t.z),s(t.xy.add(ki(0,g)),t.z),s(t.xy.add(ki(p,g)),t.z),s(t.xy.add(ki(a,d)),t.z),s(t.xy.add(ki(0,d)),t.z),s(t.xy.add(ki(l,d)),t.z)).mul(1/17)})),wx=Bi((({depthTexture:e,shadowCoord:t,shadow:r})=>{const s=(t,r)=>Lu(e,t).compare(r),i=Hl("mapSize","vec2",r).setGroup(cn),n=ki(1).div(i),o=n.x,a=n.y,u=t.xy,l=Vo(u.mul(i).add(.5));return u.subAssign(l.mul(n)),Qn(s(u,t.z),s(u.add(ki(o,0)),t.z),s(u.add(ki(0,a)),t.z),s(u.add(n),t.z),_a(s(u.add(ki(o.negate(),0)),t.z),s(u.add(ki(o.mul(2),0)),t.z),l.x),_a(s(u.add(ki(o.negate(),a)),t.z),s(u.add(ki(o.mul(2),a)),t.z),l.x),_a(s(u.add(ki(0,a.negate())),t.z),s(u.add(ki(0,a.mul(2))),t.z),l.y),_a(s(u.add(ki(o,a.negate())),t.z),s(u.add(ki(o,a.mul(2))),t.z),l.y),_a(_a(s(u.add(ki(o.negate(),a.negate())),t.z),s(u.add(ki(o.mul(2),a.negate())),t.z),l.x),_a(s(u.add(ki(o.negate(),a.mul(2))),t.z),s(u.add(ki(o.mul(2),a.mul(2))),t.z),l.x),l.y)).mul(1/9)})),Mx=Bi((({depthTexture:e,shadowCoord:t})=>{const r=Di(1).toVar(),s=Lu(e).sample(t.xy).rg,i=ua(t.z,s.x);return Pi(i.notEqual(Di(1)),(()=>{const e=t.z.sub(s.x),n=oa(0,s.y.mul(s.y));let o=n.div(n.add(e.mul(e)));o=va(Zn(o,.3).div(.95-.3)),r.assign(va(oa(i,o)))})),r})),Bx=Bi((({samples:e,radius:t,size:r,shadowPass:s})=>{const i=Di(0).toVar(),n=Di(0).toVar(),o=e.lessThanEqual(Di(1)).select(Di(0),Di(2).div(e.sub(1))),a=e.lessThanEqual(Di(1)).select(Di(0),Di(-1));vc({start:Vi(0),end:Vi(e),type:"int",condition:"<"},(({i:e})=>{const u=a.add(Di(e).mul(o)),l=s.sample(Qn(Oc.xy,ki(0,u).mul(t)).div(r)).x;i.addAssign(l),n.addAssign(l.mul(l))})),i.divAssign(e),n.divAssign(e);const u=Uo(n.sub(i.mul(i)));return ki(i,u)})),Fx=Bi((({samples:e,radius:t,size:r,shadowPass:s})=>{const i=Di(0).toVar(),n=Di(0).toVar(),o=e.lessThanEqual(Di(1)).select(Di(0),Di(2).div(e.sub(1))),a=e.lessThanEqual(Di(1)).select(Di(0),Di(-1));vc({start:Vi(0),end:Vi(e),type:"int",condition:"<"},(({i:e})=>{const u=a.add(Di(e).mul(o)),l=s.sample(Qn(Oc.xy,ki(u,0).mul(t)).div(r));i.addAssign(l.x),n.addAssign(Qn(l.y.mul(l.y),l.x.mul(l.x)))})),i.divAssign(e),n.divAssign(e);const u=Uo(n.sub(i.mul(i)));return ki(i,u)})),Ux=[Cx,Ex,wx,Mx];let Px;const Ix=new Tf;class Lx extends px{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this.isShadowNode=!0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){const n=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i});return n.select(o,Di(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=Hl("bias","float",r).setGroup(cn);let n,o=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)o=o.xyz.div(o.w),n=o.z,s.coordinateSystem===d&&(n=n.mul(2).sub(1));else{const e=o.w;o=o.xy.div(e);const t=Hl("near","float",r.camera).setGroup(cn),s=Hl("far","float",r.camera).setGroup(cn);n=ih(e.negate(),t,s)}return o=Hi(o.x,o.y.oneMinus(),n.add(i)),o}getShadowFilterFn(e){return Ux[e]}setupShadow(e){const{renderer:t}=e,{light:r,shadow:s}=this,i=t.shadowMap.type,n=new F(s.mapSize.width,s.mapSize.height);n.compareFunction=we;const o=e.createRenderTarget(s.mapSize.width,s.mapSize.height);if(o.depthTexture=n,s.camera.updateProjectionMatrix(),i===Me){n.compareFunction=null,this.vsmShadowMapVertical=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Be,type:Te}),this.vsmShadowMapHorizontal=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Be,type:Te});const t=Lu(n),r=Lu(this.vsmShadowMapVertical.texture),i=Hl("blurSamples","float",s).setGroup(cn),o=Hl("radius","float",s).setGroup(cn),a=Hl("mapSize","vec2",s).setGroup(cn);let u=this.vsmMaterialVertical||(this.vsmMaterialVertical=new gh);u.fragmentNode=Bx({samples:i,radius:o,size:a,shadowPass:t}).context(e.getSharedContext()),u.name="VSMVertical",u=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new gh),u.fragmentNode=Fx({samples:i,radius:o,size:a,shadowPass:r}).context(e.getSharedContext()),u.name="VSMHorizontal"}const a=Hl("intensity","float",s).setGroup(cn),u=Hl("normalBias","float",s).setGroup(cn),l=ix(r).mul(gx.add(Fl.mul(u))),d=this.setupShadowCoord(e,l),c=s.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===c)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const h=i===Me?this.vsmShadowMapHorizontal.texture:n,p=this.setupShadowFilter(e,{filterFn:c,shadowTexture:o.texture,depthTexture:h,shadowCoord:d,shadow:s}),g=Lu(o.texture,d),m=_a(1,p.rgb.mix(g,1),a.mul(g.a)).toVar();return this.shadowMap=o,this.shadow.map=o,m}setup(e){if(!1!==e.renderer.shadowMap.enabled)return Bi((()=>{let t=this._node;return this.setupShadowPosition(e),null===t&&(this._node=t=this.setupShadow(e)),e.material.shadowNode&&console.warn('THREE.NodeMaterial: ".shadowNode" is deprecated. Use ".castShadowNode" instead.'),e.material.receivedShadowNode&&(t=e.material.receivedShadowNode(t)),t}))()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height),i.render(n,t.camera)}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:o}=e,a=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u,s.camera.layers.mask=o.layers.mask;const l=i.getRenderObjectFunction(),d=i.getMRT(),c=!!d&&d.has("velocity");Px=_x(i,n,Px),n.overrideMaterial=Rx(r),i.setRenderObjectFunction(((e,t,r,n,u,l,...d)=>{(!0===e.castShadow||e.receiveShadow&&a===Me)&&(c&&(Rs(e).useVelocity=!0),e.onBeforeShadow(i,e,o,s.camera,n,t.overrideMaterial,l),i.renderObject(e,t,r,n,u,l,...d),e.onAfterShadow(i,e,o,s.camera,n,t.overrideMaterial,l))})),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(l),!0!==r.isPointLight&&a===Me&&this.vsmPass(i),vx(i,n,Px)}vsmPass(e){const{shadow:t}=this;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height),e.setRenderTarget(this.vsmShadowMapVertical),Ix.material=this.vsmMaterialVertical,Ix.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),Ix.material=this.vsmMaterialHorizontal,Ix.render(e)}dispose(){this.shadowMap.dispose(),this.shadowMap=null,null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null),super.dispose()}updateBefore(e){const{shadow:t}=this;(t.needsUpdate||t.autoUpdate)&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const Dx=(e,t)=>Ri(new Lx(e,t));class Vx extends wc{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||gn(this.color).setGroup(cn),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=Bs.FRAME}customCacheKey(){return fs(this.light.id,this.light.castShadow?1:0)}getHash(){return this.light.uuid}setupShadowNode(){return Dx(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const t=this.light.shadow.shadowNode;let s;s=void 0!==t?Ri(t):this.setupShadowNode(e),this.shadowNode=s,this.shadowColorNode=r=this.colorNode.mul(s),this.baseColorNode=this.colorNode}this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const Ox=Bi((e=>{const{lightDistance:t,cutoffDistance:r,decayExponent:s}=e,i=t.pow(s).max(.01).reciprocal();return r.greaterThan(0).select(i.mul(t.div(r).pow4().oneMinus().clamp().pow2()),i)})),Gx=new e,kx=Bi((([e,t])=>{const r=e.toVar(),s=Ho(r),i=eo(1,oa(s.x,oa(s.y,s.z)));s.mulAssign(i),r.mulAssign(i.mul(t.mul(2).oneMinus()));const n=ki(r.xy).toVar(),o=t.mul(1.5).oneMinus();return Pi(s.z.greaterThanEqual(o),(()=>{Pi(r.z.greaterThan(0),(()=>{n.x.assign(Zn(4,r.x))}))})).ElseIf(s.x.greaterThanEqual(o),(()=>{const e=jo(r.x);n.x.assign(r.z.mul(e).add(e.mul(2)))})).ElseIf(s.y.greaterThanEqual(o),(()=>{const e=jo(r.y);n.x.assign(r.x.add(e.mul(2)).add(2)),n.y.assign(r.z.mul(e).sub(2))})),ki(.125,.25).mul(n).add(ki(.375,.75)).flipY()})).setLayout({name:"cubeToUV",type:"vec2",inputs:[{name:"pos",type:"vec3"},{name:"texelSizeY",type:"float"}]}),zx=Bi((({depthTexture:e,bd3D:t,dp:r,texelSize:s})=>Lu(e,kx(t,s.y)).compare(r))),$x=Bi((({depthTexture:e,bd3D:t,dp:r,texelSize:s,shadow:i})=>{const n=Hl("radius","float",i).setGroup(cn),o=ki(-1,1).mul(n).mul(s.y);return Lu(e,kx(t.add(o.xyy),s.y)).compare(r).add(Lu(e,kx(t.add(o.yyy),s.y)).compare(r)).add(Lu(e,kx(t.add(o.xyx),s.y)).compare(r)).add(Lu(e,kx(t.add(o.yyx),s.y)).compare(r)).add(Lu(e,kx(t,s.y)).compare(r)).add(Lu(e,kx(t.add(o.xxy),s.y)).compare(r)).add(Lu(e,kx(t.add(o.yxy),s.y)).compare(r)).add(Lu(e,kx(t.add(o.xxx),s.y)).compare(r)).add(Lu(e,kx(t.add(o.yxx),s.y)).compare(r)).mul(1/9)})),Wx=Bi((({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s})=>{const i=r.xyz.toVar(),n=i.length(),o=gn("float").setGroup(cn).onRenderUpdate((()=>s.camera.near)),a=gn("float").setGroup(cn).onRenderUpdate((()=>s.camera.far)),u=Hl("bias","float",s).setGroup(cn),l=gn(s.mapSize).setGroup(cn),d=Di(1).toVar();return Pi(n.sub(a).lessThanEqual(0).and(n.sub(o).greaterThanEqual(0)),(()=>{const r=n.sub(o).div(a.sub(o)).toVar();r.addAssign(u);const c=i.normalize(),h=ki(1).div(l.mul(ki(4,2)));d.assign(e({depthTexture:t,bd3D:c,dp:r,texelSize:h,shadow:s}))})),d})),Hx=new s,jx=new t,qx=new t;class Xx extends Lx{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===Fe?zx:$x}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,shadowTexture:r,depthTexture:s,shadowCoord:i,shadow:n}){return Wx({filterFn:t,shadowTexture:r,depthTexture:s,shadowCoord:i,shadow:n})}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,o=t.getFrameExtents();qx.copy(t.mapSize),qx.multiply(o),r.setSize(qx.width,qx.height),jx.copy(t.mapSize);const a=i.autoClear,u=i.getClearColor(Gx),l=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha),i.clear();const d=t.getViewportCount();for(let e=0;e<d;e++){const o=t.getViewport(e),a=jx.x*o.x,u=qx.y-jx.y-jx.y*o.y;Hx.set(a,u,jx.x*o.z,jx.y*o.w),r.viewport.copy(Hx),t.updateMatrices(s,e),i.render(n,t.camera)}i.autoClear=a,i.setClearColor(u,l)}}const Kx=Bi((({color:e,lightViewPosition:t,cutoffDistance:r,decayExponent:s},i)=>{const n=i.context.lightingModel,o=t.sub(_l),a=o.normalize(),u=o.length(),l=Ox({lightDistance:u,cutoffDistance:r,decayExponent:s}),d=e.mul(l),c=i.context.reflectedLight;n.direct({lightDirection:a,lightColor:d,reflectedLight:c},i.stack,i)}));class Yx extends Vx{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=gn(0).setGroup(cn),this.decayExponentNode=gn(2).setGroup(cn)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return((e,t)=>Ri(new Xx(e,t)))(this.light)}setup(e){super.setup(e),Kx({color:this.colorNode,lightViewPosition:ux(this.light),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode}).append()}}const Qx=Bi((([e=t()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()})),Zx=Bi((([e=Mu()],{renderer:t,material:r})=>{const s=Di(1).toVar(),i=Ta(e.mul(2).sub(1));if(r.alphaToCoverage&&t.samples>1){const e=Di(i.fwidth()).toVar();s.assign(Aa(e.oneMinus(),e.add(1),i).oneMinus())}else i.greaterThan(1).discard();return s})),Jx=Bi((([e,t,r])=>{const s=Di(r).toVar(),i=Di(t).toVar(),n=Gi(e).toVar();return Pa(n,i,s)})).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),eb=Bi((([e,t])=>{const r=Gi(t).toVar(),s=Di(e).toVar();return Pa(r,s.negate(),s)})).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),tb=Bi((([e])=>{const t=Di(e).toVar();return Vi(Io(t))})).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),rb=Bi((([e,t])=>{const r=Di(e).toVar();return t.assign(tb(r)),r.sub(Di(t))})),sb=zm([Bi((([e,t,r,s,i,n])=>{const o=Di(n).toVar(),a=Di(i).toVar(),u=Di(s).toVar(),l=Di(r).toVar(),d=Di(t).toVar(),c=Di(e).toVar(),h=Di(Zn(1,a)).toVar();return Zn(1,o).mul(c.mul(h).add(d.mul(a))).add(o.mul(l.mul(h).add(u.mul(a))))})).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),Bi((([e,t,r,s,i,n])=>{const o=Di(n).toVar(),a=Di(i).toVar(),u=Hi(s).toVar(),l=Hi(r).toVar(),d=Hi(t).toVar(),c=Hi(e).toVar(),h=Di(Zn(1,a)).toVar();return Zn(1,o).mul(c.mul(h).add(d.mul(a))).add(o.mul(l.mul(h).add(u.mul(a))))})).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),ib=zm([Bi((([e,t,r,s,i,n,o,a,u,l,d])=>{const c=Di(d).toVar(),h=Di(l).toVar(),p=Di(u).toVar(),g=Di(a).toVar(),m=Di(o).toVar(),f=Di(n).toVar(),y=Di(i).toVar(),x=Di(s).toVar(),b=Di(r).toVar(),T=Di(t).toVar(),_=Di(e).toVar(),v=Di(Zn(1,p)).toVar(),N=Di(Zn(1,h)).toVar();return Di(Zn(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(b.mul(v).add(x.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))})).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),Bi((([e,t,r,s,i,n,o,a,u,l,d])=>{const c=Di(d).toVar(),h=Di(l).toVar(),p=Di(u).toVar(),g=Hi(a).toVar(),m=Hi(o).toVar(),f=Hi(n).toVar(),y=Hi(i).toVar(),x=Hi(s).toVar(),b=Hi(r).toVar(),T=Hi(t).toVar(),_=Hi(e).toVar(),v=Di(Zn(1,p)).toVar(),N=Di(Zn(1,h)).toVar();return Di(Zn(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(b.mul(v).add(x.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))})).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),nb=Bi((([e,t,r])=>{const s=Di(r).toVar(),i=Di(t).toVar(),n=Oi(e).toVar(),o=Oi(n.bitAnd(Oi(7))).toVar(),a=Di(Jx(o.lessThan(Oi(4)),i,s)).toVar(),u=Di(Jn(2,Jx(o.lessThan(Oi(4)),s,i))).toVar();return eb(a,Gi(o.bitAnd(Oi(1)))).add(eb(u,Gi(o.bitAnd(Oi(2)))))})).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),ob=Bi((([e,t,r,s])=>{const i=Di(s).toVar(),n=Di(r).toVar(),o=Di(t).toVar(),a=Oi(e).toVar(),u=Oi(a.bitAnd(Oi(15))).toVar(),l=Di(Jx(u.lessThan(Oi(8)),o,n)).toVar(),d=Di(Jx(u.lessThan(Oi(4)),n,Jx(u.equal(Oi(12)).or(u.equal(Oi(14))),o,i))).toVar();return eb(l,Gi(u.bitAnd(Oi(1)))).add(eb(d,Gi(u.bitAnd(Oi(2)))))})).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),ab=zm([nb,ob]),ub=Bi((([e,t,r])=>{const s=Di(r).toVar(),i=Di(t).toVar(),n=qi(e).toVar();return Hi(ab(n.x,i,s),ab(n.y,i,s),ab(n.z,i,s))})).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),lb=Bi((([e,t,r,s])=>{const i=Di(s).toVar(),n=Di(r).toVar(),o=Di(t).toVar(),a=qi(e).toVar();return Hi(ab(a.x,o,n,i),ab(a.y,o,n,i),ab(a.z,o,n,i))})).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),db=zm([ub,lb]),cb=Bi((([e])=>{const t=Di(e).toVar();return Jn(.6616,t)})).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),hb=Bi((([e])=>{const t=Di(e).toVar();return Jn(.982,t)})).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),pb=zm([cb,Bi((([e])=>{const t=Hi(e).toVar();return Jn(.6616,t)})).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),gb=zm([hb,Bi((([e])=>{const t=Hi(e).toVar();return Jn(.982,t)})).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),mb=Bi((([e,t])=>{const r=Vi(t).toVar(),s=Oi(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(Vi(32).sub(r)))})).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),fb=Bi((([e,t,r])=>{e.subAssign(r),e.bitXorAssign(mb(r,Vi(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(mb(e,Vi(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(mb(t,Vi(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(mb(r,Vi(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(mb(e,Vi(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(mb(t,Vi(4))),t.addAssign(e)})),yb=Bi((([e,t,r])=>{const s=Oi(r).toVar(),i=Oi(t).toVar(),n=Oi(e).toVar();return s.bitXorAssign(i),s.subAssign(mb(i,Vi(14))),n.bitXorAssign(s),n.subAssign(mb(s,Vi(11))),i.bitXorAssign(n),i.subAssign(mb(n,Vi(25))),s.bitXorAssign(i),s.subAssign(mb(i,Vi(16))),n.bitXorAssign(s),n.subAssign(mb(s,Vi(4))),i.bitXorAssign(n),i.subAssign(mb(n,Vi(14))),s.bitXorAssign(i),s.subAssign(mb(i,Vi(24))),s})).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),xb=Bi((([e])=>{const t=Oi(e).toVar();return Di(t).div(Di(Oi(Vi(4294967295))))})).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),bb=Bi((([e])=>{const t=Di(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))})).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),Tb=zm([Bi((([e])=>{const t=Vi(e).toVar(),r=Oi(Oi(1)).toVar(),s=Oi(Oi(Vi(3735928559)).add(r.shiftLeft(Oi(2))).add(Oi(13))).toVar();return yb(s.add(Oi(t)),s,s)})).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),Bi((([e,t])=>{const r=Vi(t).toVar(),s=Vi(e).toVar(),i=Oi(Oi(2)).toVar(),n=Oi().toVar(),o=Oi().toVar(),a=Oi().toVar();return n.assign(o.assign(a.assign(Oi(Vi(3735928559)).add(i.shiftLeft(Oi(2))).add(Oi(13))))),n.addAssign(Oi(s)),o.addAssign(Oi(r)),yb(n,o,a)})).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),Bi((([e,t,r])=>{const s=Vi(r).toVar(),i=Vi(t).toVar(),n=Vi(e).toVar(),o=Oi(Oi(3)).toVar(),a=Oi().toVar(),u=Oi().toVar(),l=Oi().toVar();return a.assign(u.assign(l.assign(Oi(Vi(3735928559)).add(o.shiftLeft(Oi(2))).add(Oi(13))))),a.addAssign(Oi(n)),u.addAssign(Oi(i)),l.addAssign(Oi(s)),yb(a,u,l)})).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),Bi((([e,t,r,s])=>{const 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c.assign(h.assign(p.assign(Oi(Vi(3735928559)).add(d.shiftLeft(Oi(2))).add(Oi(13))))),c.addAssign(Oi(l)),h.addAssign(Oi(u)),p.addAssign(Oi(a)),fb(c,h,p),c.addAssign(Oi(o)),h.addAssign(Oi(n)),yb(c,h,p)})).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),_b=zm([Bi((([e,t])=>{const r=Vi(t).toVar(),s=Vi(e).toVar(),i=Oi(Tb(s,r)).toVar(),n=qi().toVar();return n.x.assign(i.bitAnd(Vi(255))),n.y.assign(i.shiftRight(Vi(8)).bitAnd(Vi(255))),n.z.assign(i.shiftRight(Vi(16)).bitAnd(Vi(255))),n})).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),Bi((([e,t,r])=>{const s=Vi(r).toVar(),i=Vi(t).toVar(),n=Vi(e).toVar(),o=Oi(Tb(n,i,s)).toVar(),a=qi().toVar();return 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r=new Kb(t.name,[],t.index,t);e.push(r);for(const e of t.bindings)r.bindings.push(e.clone())}else e.push(t)}return e}}class Qb{constructor(e,t,r=null){this.isNodeAttribute=!0,this.name=e,this.type=t,this.node=r}}class Zb{constructor(e,t,r){this.isNodeUniform=!0,this.name=e,this.type=t,this.node=r.getSelf()}get value(){return this.node.value}set value(e){this.node.value=e}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class Jb{constructor(e,t,r=!1,s=null){this.isNodeVar=!0,this.name=e,this.type=t,this.readOnly=r,this.count=s}}class eT extends Jb{constructor(e,t){super(e,t),this.needsInterpolation=!1,this.isNodeVarying=!0}}class tT{constructor(e,t,r=""){this.name=e,this.type=t,this.code=r,Object.defineProperty(this,"isNodeCode",{value:!0})}}let rT=0;class sT{constructor(e=null){this.id=rT++,this.nodesData=new WeakMap,this.parent=e}getData(e){let t=this.nodesData.get(e);return void 0===t&&null!==this.parent&&(t=this.parent.getData(e)),t}setData(e,t){this.nodesData.set(e,t)}}class iT extends Os{static get type(){return"StructTypeNode"}constructor(e,t){super(),this.name=e,this.types=t,this.isStructTypeNode=!0}getMemberTypes(){return this.types}}class nT{constructor(e,t){this.name=e,this.value=t,this.boundary=0,this.itemSize=0,this.offset=0}setValue(e){this.value=e}getValue(){return this.value}}class oT extends nT{constructor(e,t=0){super(e,t),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class aT extends nT{constructor(e,r=new t){super(e,r),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class uT extends nT{constructor(e,t=new r){super(e,t),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class lT extends nT{constructor(e,t=new s){super(e,t),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class dT extends nT{constructor(t,r=new e){super(t,r),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class cT extends nT{constructor(e,t=new i){super(e,t),this.isMatrix2Uniform=!0,this.boundary=16,this.itemSize=4}}class hT extends nT{constructor(e,t=new n){super(e,t),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class pT extends nT{constructor(e,t=new o){super(e,t),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class gT extends oT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class mT extends aT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class fT extends uT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class yT extends lT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class xT extends dT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class bT extends cT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class TT extends hT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class _T extends pT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}const vT=[.125,.215,.35,.446,.526,.582],NT=20,ST=new ve(-1,1,1,-1,0,1),AT=new Ie(90,1),RT=new e;let CT=null,ET=0,wT=0;const MT=(1+Math.sqrt(5))/2,BT=1/MT,FT=[new r(-MT,BT,0),new r(MT,BT,0),new r(-BT,0,MT),new r(BT,0,MT),new r(0,MT,-BT),new r(0,MT,BT),new r(-1,1,-1),new r(1,1,-1),new r(-1,1,1),new r(1,1,1)],UT=new WeakMap,PT=[3,1,5,0,4,2],IT=eg(Mu(),wu("faceIndex")).normalize(),LT=Hi(IT.x,IT.y,IT.z);class DT{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i=null){if(this._setSize(256),!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromScene() called before the backend is initialized. Try using .fromSceneAsync() instead.");const n=i||this._allocateTargets();return this.fromSceneAsync(e,t,r,s,n),n}CT=this._renderer.getRenderTarget(),ET=this._renderer.getActiveCubeFace(),wT=this._renderer.getActiveMipmapLevel();const n=i||this._allocateTargets();return n.depthBuffer=!0,this._sceneToCubeUV(e,r,s,n),t>0&&this._blur(n,0,0,t),this._applyPMREM(n),this._cleanup(n),n}async fromSceneAsync(e,t=0,r=.1,s=100,i=null){return!1===this._hasInitialized&&await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Try using .fromEquirectangularAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTargets();return this.fromEquirectangularAsync(e,r),r}return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return!1===this._hasInitialized&&await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromCubemap() called before the backend is initialized. Try using .fromCubemapAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTargets();return this.fromCubemapAsync(e,t),r}return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return!1===this._hasInitialized&&await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=kT(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=zT(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===v||e.mapping===N?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodPlanes.length;e++)this._lodPlanes[e].dispose()}_cleanup(e){this._renderer.setRenderTarget(CT,ET,wT),e.scissorTest=!1,OT(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),CT=this._renderer.getRenderTarget(),ET=this._renderer.getActiveCubeFace(),wT=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTargets();return this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTargets(){const e=3*Math.max(this._cubeSize,112),t=4*this._cubeSize,s={magFilter:$,minFilter:$,generateMipmaps:!1,type:Te,format:Le,colorSpace:Ee},i=VT(e,t,s);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e||this._pingPongRenderTarget.height!==t){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=VT(e,t,s);const{_lodMax:i}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas,lodMeshes:this._lodMeshes}=function(e){const t=[],r=[],s=[],i=[];let n=e;const o=e-4+1+vT.length;for(let a=0;a<o;a++){const o=Math.pow(2,n);r.push(o);let u=1/o;a>e-4?u=vT[a-e+4-1]:0===a&&(u=0),s.push(u);const l=1/(o-2),d=-l,c=1+l,h=[d,d,c,d,c,c,d,d,c,c,d,c],p=6,g=6,m=3,f=2,y=1,x=new Float32Array(m*g*p),b=new Float32Array(f*g*p),T=new Float32Array(y*g*p);for(let e=0;e<p;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=PT[e];x.set(s,m*g*i),b.set(h,f*g*i);const n=[i,i,i,i,i,i];T.set(n,y*g*i)}const _=new Ne;_.setAttribute("position",new Ae(x,m)),_.setAttribute("uv",new Ae(b,f)),_.setAttribute("faceIndex",new Ae(T,y)),t.push(_),i.push(new k(_,null)),n>4&&n--}return{lodPlanes:t,sizeLods:r,sigmas:s,lodMeshes:i}}(i)),this._blurMaterial=function(e,t,s){const i=zu(new Array(NT).fill(0)),n=gn(new r(0,1,0)),o=gn(0),a=Di(NT),u=gn(0),l=gn(1),d=Lu(null),c=gn(0),h=Di(1/t),p=Di(1/s),g=Di(e),m={n:a,latitudinal:u,weights:i,poleAxis:n,outputDirection:LT,dTheta:o,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=GT("blur");return f.fragmentNode=ig({...m,latitudinal:u.equal(1)}),UT.set(f,m),f}(i,e,t)}return i}async _compileMaterial(e){const t=new k(this._lodPlanes[0],e);await this._renderer.compile(t,ST)}_sceneToCubeUV(e,t,r,s){const i=AT;i.near=t,i.far=r;const n=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],a=this._renderer,u=a.autoClear;a.getClearColor(RT),a.autoClear=!1;let l=this._backgroundBox;if(null===l){const e=new Q({name:"PMREM.Background",side:_,depthWrite:!1,depthTest:!1});l=new k(new G,e)}let d=!1;const c=e.background;c?c.isColor&&(l.material.color.copy(c),e.background=null,d=!0):(l.material.color.copy(RT),d=!0),a.setRenderTarget(s),a.clear(),d&&a.render(l,i);for(let t=0;t<6;t++){const r=t%3;0===r?(i.up.set(0,n[t],0),i.lookAt(o[t],0,0)):1===r?(i.up.set(0,0,n[t]),i.lookAt(0,o[t],0)):(i.up.set(0,n[t],0),i.lookAt(0,0,o[t]));const u=this._cubeSize;OT(s,r*u,t>2?u:0,u,u),a.render(e,i)}a.autoClear=u,e.background=c}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===v||e.mapping===N;s?null===this._cubemapMaterial&&(this._cubemapMaterial=kT(e)):null===this._equirectMaterial&&(this._equirectMaterial=zT(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const o=this._cubeSize;OT(t,0,0,3*o,2*o),r.setRenderTarget(t),r.render(n,ST)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodPlanes.length;for(let t=1;t<s;t++){const r=Math.sqrt(this._sigmas[t]*this._sigmas[t]-this._sigmas[t-1]*this._sigmas[t-1]),i=FT[(s-t-1)%FT.length];this._blur(e,t-1,t,r,i)}t.autoClear=r}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,o){const a=this._renderer,u=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&console.error("blur direction must be either latitudinal or longitudinal!");const l=this._lodMeshes[s];l.material=u;const d=UT.get(u),c=this._sizeLods[r]-1,h=isFinite(i)?Math.PI/(2*c):2*Math.PI/39,p=i/h,g=isFinite(i)?1+Math.floor(3*p):NT;g>NT&&console.warn(`sigmaRadians, ${i}, is too large and will clip, as it requested ${g} samples when the maximum is set to 20`);const m=[];let f=0;for(let e=0;e<NT;++e){const t=e/p,r=Math.exp(-t*t/2);m.push(r),0===e?f+=r:e<g&&(f+=2*r)}for(let e=0;e<m.length;e++)m[e]=m[e]/f;e.texture.frame=(e.texture.frame||0)+1,d.envMap.value=e.texture,d.samples.value=g,d.weights.array=m,d.latitudinal.value="latitudinal"===n?1:0,o&&(d.poleAxis.value=o);const{_lodMax:y}=this;d.dTheta.value=h,d.mipInt.value=y-r;const x=this._sizeLods[s];OT(t,3*x*(s>y-4?s-y+4:0),4*(this._cubeSize-x),3*x,2*x),a.setRenderTarget(t),a.render(l,ST)}}function VT(e,t,r){const s=new ye(e,t,r);return s.texture.mapping=Pe,s.texture.name="PMREM.cubeUv",s.texture.isPMREMTexture=!0,s.scissorTest=!0,s}function OT(e,t,r,s,i){e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i)}function GT(e){const t=new gh;return t.depthTest=!1,t.depthWrite=!1,t.blending=D,t.name=`PMREM_${e}`,t}function kT(e){const t=GT("cubemap");return t.fragmentNode=zl(e,LT),t}function zT(e){const t=GT("equirect");return t.fragmentNode=Lu(e,Eh(LT),0),t}const $T=new WeakMap,WT=new Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),HT=e=>/e/g.test(e)?String(e).replace(/\+/g,""):(e=Number(e))+(e%1?"":".0");class jT{constructor(e,t,r){this.object=e,this.material=e&&e.material||null,this.geometry=e&&e.geometry||null,this.renderer=t,this.parser=r,this.scene=null,this.camera=null,this.nodes=[],this.sequentialNodes=[],this.updateNodes=[],this.updateBeforeNodes=[],this.updateAfterNodes=[],this.hashNodes={},this.observer=null,this.lightsNode=null,this.environmentNode=null,this.fogNode=null,this.clippingContext=null,this.vertexShader=null,this.fragmentShader=null,this.computeShader=null,this.flowNodes={vertex:[],fragment:[],compute:[]},this.flowCode={vertex:"",fragment:"",compute:""},this.uniforms={vertex:[],fragment:[],compute:[],index:0},this.structs={vertex:[],fragment:[],compute:[],index:0},this.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.flow={code:""},this.chaining=[],this.stack=wm(),this.stacks=[],this.tab="\t",this.currentFunctionNode=null,this.context={material:this.material},this.cache=new sT,this.globalCache=this.cache,this.flowsData=new WeakMap,this.shaderStage=null,this.buildStage=null,this.useComparisonMethod=!1}getBindGroupsCache(){let e=$T.get(this.renderer);return void 0===e&&(e=new zg,$T.set(this.renderer,e)),e}createRenderTarget(e,t,r){return new ye(e,t,r)}createCubeRenderTarget(e,t){return new wh(e,t)}createPMREMGenerator(){return new DT(this.renderer)}includes(e){return this.nodes.includes(e)}getOutputStructName(){}_getBindGroup(e,t){const r=this.getBindGroupsCache(),s=[];let i,n=!0;for(const e of t)s.push(e),n=n&&!0!==e.groupNode.shared;return n?(i=r.get(s),void 0===i&&(i=new Kb(e,s,this.bindingsIndexes[e].group,s),r.set(s,i))):i=new Kb(e,s,this.bindingsIndexes[e].group,s),i}getBindGroupArray(e,t){const r=this.bindings[t];let s=r[e];return void 0===s&&(void 0===this.bindingsIndexes[e]&&(this.bindingsIndexes[e]={binding:0,group:Object.keys(this.bindingsIndexes).length}),r[e]=s=[]),s}getBindings(){let e=this.bindGroups;if(null===e){const t={},r=this.bindings;for(const e of Ls)for(const s in r[e]){const i=r[e][s];(t[s]||(t[s]=[])).push(...i)}e=[];for(const r in t){const s=t[r],i=this._getBindGroup(r,s);e.push(i)}this.bindGroups=e}return e}sortBindingGroups(){const e=this.getBindings();e.sort(((e,t)=>e.bindings[0].groupNode.order-t.bindings[0].groupNode.order));for(let t=0;t<e.length;t++){const r=e[t];this.bindingsIndexes[r.name].group=t,r.index=t}}setHashNode(e,t){this.hashNodes[t]=e}addNode(e){!1===this.nodes.includes(e)&&(this.nodes.push(e),this.setHashNode(e,e.getHash(this)))}addSequentialNode(e){!1===this.sequentialNodes.includes(e)&&this.sequentialNodes.push(e)}buildUpdateNodes(){for(const e of this.nodes){e.getUpdateType()!==Bs.NONE&&this.updateNodes.push(e.getSelf())}for(const e of this.sequentialNodes){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t!==Bs.NONE&&this.updateBeforeNodes.push(e.getSelf()),r!==Bs.NONE&&this.updateAfterNodes.push(e.getSelf())}}get currentNode(){return this.chaining[this.chaining.length-1]}isFilteredTexture(e){return e.magFilter===$||e.magFilter===De||e.magFilter===Ve||e.magFilter===B||e.minFilter===$||e.minFilter===De||e.minFilter===Ve||e.minFilter===B}addChain(e){this.chaining.push(e)}removeChain(e){if(this.chaining.pop()!==e)throw new Error("NodeBuilder: Invalid node chaining!")}getMethod(e){return e}getNodeFromHash(e){return this.hashNodes[e]}addFlow(e,t){return this.flowNodes[e].push(t),t}setContext(e){this.context=e}getContext(){return this.context}getSharedContext(){return this.context,this.context}setCache(e){this.cache=e}getCache(){return this.cache}getCacheFromNode(e,t=!0){const r=this.getDataFromNode(e);return void 0===r.cache&&(r.cache=new sT(t?this.getCache():null)),r.cache}isAvailable(){return!1}getVertexIndex(){console.warn("Abstract function.")}getInstanceIndex(){console.warn("Abstract function.")}getDrawIndex(){console.warn("Abstract function.")}getFrontFacing(){console.warn("Abstract 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o=this.getTypeLength(i),a=this.getComponentType(i),u=e=>this.generateConst(a,e);if(2===o)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)} )`;if(3===o)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)} )`;if(4===o)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)}, ${u(n.w)} )`;if(o>4&&n&&(n.isMatrix3||n.isMatrix4))return`${this.getType(i)}( ${n.elements.map(u).join(", ")} )`;if(o>4)return`${this.getType(i)}()`;throw new Error(`NodeBuilder: Type '${i}' not found in generate constant attempt.`)}getType(e){return"color"===e?"vec3":e}hasGeometryAttribute(e){return this.geometry&&void 0!==this.geometry.getAttribute(e)}getAttribute(e,t){const r=this.attributes;for(const t of r)if(t.name===e)return t;const s=new Qb(e,t);return r.push(s),s}getPropertyName(e){return e.name}isVector(e){return/vec\d/.test(e)}isMatrix(e){return/mat\d/.test(e)}isReference(e){return"void"===e||"property"===e||"sampler"===e||"texture"===e||"cubeTexture"===e||"storageTexture"===e||"depthTexture"===e||"texture3D"===e}needsToWorkingColorSpace(){return!1}getComponentTypeFromTexture(e){const t=e.type;if(e.isDataTexture){if(t===T)return"int";if(t===b)return"uint"}return"float"}getElementType(e){return"mat2"===e?"vec2":"mat3"===e?"vec3":"mat4"===e?"vec4":this.getComponentType(e)}getComponentType(e){if("float"===(e=this.getVectorType(e))||"bool"===e||"int"===e||"uint"===e)return e;const t=/(b|i|u|)(vec|mat)([2-4])/.exec(e);return null===t?null:"b"===t[1]?"bool":"i"===t[1]?"int":"u"===t[1]?"uint":"float"}getVectorType(e){return"color"===e?"vec3":"texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e?"vec4":e}getTypeFromLength(e,t="float"){if(1===e)return t;let r=_s(e);const s="float"===t?"":t[0];return!0===/mat2/.test(t)&&(r=r.replace("vec","mat")),s+r}getTypeFromArray(e){return WT.get(e.constructor)}getTypeFromAttribute(e){let t=e;e.isInterleavedBufferAttribute&&(t=e.data);const r=t.array,s=e.itemSize,i=e.normalized;let n;return e instanceof Oe||!0===i||(n=this.getTypeFromArray(r)),this.getTypeFromLength(s,n)}getTypeLength(e){const t=this.getVectorType(e),r=/vec([2-4])/.exec(t);return null!==r?Number(r[1]):"float"===t||"bool"===t||"int"===t||"uint"===t?1:!0===/mat2/.test(e)?4:!0===/mat3/.test(e)?9:!0===/mat4/.test(e)?16:0}getVectorFromMatrix(e){return e.replace("mat","vec")}changeComponentType(e,t){return this.getTypeFromLength(this.getTypeLength(e),t)}getIntegerType(e){const t=this.getComponentType(e);return"int"===t||"uint"===t?e:this.changeComponentType(e,"int")}addStack(){return this.stack=wm(this.stack),this.stacks.push(Ui()||this.stack),Fi(this.stack),this.stack}removeStack(){const e=this.stack;return this.stack=e.parent,Fi(this.stacks.pop()),e}getDataFromNode(e,t=this.shaderStage,r=null){let s=(r=null===r?e.isGlobal(this)?this.globalCache:this.cache:r).getData(e);return void 0===s&&(s={},r.setData(e,s)),void 0===s[t]&&(s[t]={}),s[t]}getNodeProperties(e,t="any"){const r=this.getDataFromNode(e,t);return r.properties||(r.properties={outputNode:null})}getBufferAttributeFromNode(e,t){const r=this.getDataFromNode(e);let s=r.bufferAttribute;if(void 0===s){const i=this.uniforms.index++;s=new Qb("nodeAttribute"+i,t,e),this.bufferAttributes.push(s),r.bufferAttribute=s}return s}getStructTypeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e,r);let i=s.structType;if(void 0===i){const e=this.structs.index++;i=new iT("StructType"+e,t),this.structs[r].push(i),s.structType=i}return i}getUniformFromNode(e,t,r=this.shaderStage,s=null){const i=this.getDataFromNode(e,r,this.globalCache);let n=i.uniform;if(void 0===n){const o=this.uniforms.index++;n=new Zb(s||"nodeUniform"+o,t,e),this.uniforms[r].push(n),i.uniform=n}return n}getArrayCount(e){let t=null;return e.isArrayNode?t=e.count:e.isVarNode&&e.node.isArrayNode&&(t=e.node.count),t}getVarFromNode(e,t=null,r=e.getNodeType(this),s=this.shaderStage,i=!1){const n=this.getDataFromNode(e,s);let o=n.variable;if(void 0===o){const a=i?"_const":"_var",u=this.vars[s]||(this.vars[s]=[]),l=this.vars[a]||(this.vars[a]=0);null===t&&(t=(i?"nodeConst":"nodeVar")+l,this.vars[a]++);const d=this.getArrayCount(e);o=new Jb(t,r,i,d),i||u.push(o),n.variable=o}return o}isDeterministic(e){if(e.isMathNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode))&&(!e.cNode||this.isDeterministic(e.cNode));if(e.isOperatorNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode));if(e.isArrayNode){if(null!==e.values)for(const t of e.values)if(!this.isDeterministic(t))return!1;return!0}return!!e.isConstNode}getVaryingFromNode(e,t=null,r=e.getNodeType(this)){const s=this.getDataFromNode(e,"any");let i=s.varying;if(void 0===i){const e=this.varyings,n=e.length;null===t&&(t="nodeVarying"+n),i=new eT(t,r),e.push(i),s.varying=i}return i}getCodeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e);let i=s.code;if(void 0===i){const e=this.codes[r]||(this.codes[r]=[]),n=e.length;i=new tT("nodeCode"+n,t),e.push(i),s.code=i}return i}addFlowCodeHierarchy(e,t){const{flowCodes:r,flowCodeBlock:s}=this.getDataFromNode(e);let i=!0,n=t;for(;n;){if(!0===s.get(n)){i=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(i)for(const e of r)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,r){const s=this.getDataFromNode(e),i=s.flowCodes||(s.flowCodes=[]),n=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);i.push(t),n.set(r,!0)}addLineFlowCode(e,t=null){return""===e||(null!==t&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e+=";\n"),this.flow.code+=e),this}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}buildFunctionNode(e){const t=new Ry,r=this.currentFunctionNode;return this.currentFunctionNode=t,t.code=this.buildFunctionCode(e),this.currentFunctionNode=r,t}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new Cm(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.cache,n=this.buildStage,o=this.stack,a={code:""};this.flow=a,this.vars={},this.cache=new sT,this.stack=wm();for(const r of Is)this.setBuildStage(r),a.result=e.build(this,t);return a.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.cache=i,this.stack=o,this.setBuildStage(n),a}getFunctionOperator(){return null}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.shaderStage;this.setShaderStage(e);const n=this.flowChildNode(t,r);return null!==s&&(n.code+=`${this.tab+s} = ${n.result};\n`),this.flowCode[e]=this.flowCode[e]+n.code,this.setShaderStage(i),n}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){console.warn("Abstract function.")}getVaryings(){console.warn("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e){let t="";const r=this.vars[e];if(void 0!==r)for(const e of r)t+=`${this.getVar(e.type,e.name)}; `;return t}getUniforms(){console.warn("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){console.warn("Abstract function.")}build(){const{object:e,material:t,renderer:r}=this;if(null!==t){let e=r.library.fromMaterial(t);null===e&&(console.error(`NodeMaterial: Material "${t.type}" is not compatible.`),e=new gh),e.build(this)}else this.addFlow("compute",e);for(const e of Is){this.setBuildStage(e),this.context.vertex&&this.context.vertex.isNode&&this.flowNodeFromShaderStage("vertex",this.context.vertex);for(const t of Ls){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getNodeUniform(e,t){if("float"===t||"int"===t||"uint"===t)return new gT(e);if("vec2"===t||"ivec2"===t||"uvec2"===t)return new mT(e);if("vec3"===t||"ivec3"===t||"uvec3"===t)return new fT(e);if("vec4"===t||"ivec4"===t||"uvec4"===t)return new yT(e);if("color"===t)return new xT(e);if("mat2"===t)return new bT(e);if("mat3"===t)return new TT(e);if("mat4"===t)return new _T(e);throw new Error(`Uniform "${t}" not declared.`)}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}(${e}[0].xyz, ${e}[1].xyz, ${e}[2].xyz)`:9===s&&4===i?`${this.getType(r)}(${e}[0].xy, ${e}[1].xy)`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?this.format(`${e}.${"xyz".slice(0,i)}`,this.getTypeFromLength(i,this.getComponentType(t)),r):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${Ge} - Node System\n`}createNodeMaterial(e="NodeMaterial"){throw new Error(`THREE.NodeBuilder: createNodeMaterial() was deprecated. Use new ${e}() instead.`)}}class qT{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderMap:new WeakMap,frameMap:new WeakMap},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===Bs.FRAME){const{frameMap:t}=this._getMaps(this.updateBeforeMap,r);t.get(r)!==this.frameId&&!1!==e.updateBefore(this)&&t.set(r,this.frameId)}else if(t===Bs.RENDER){const{renderMap:t}=this._getMaps(this.updateBeforeMap,r);t.get(r)!==this.renderId&&!1!==e.updateBefore(this)&&t.set(r,this.renderId)}else t===Bs.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===Bs.FRAME){const{frameMap:t}=this._getMaps(this.updateAfterMap,r);t.get(r)!==this.frameId&&!1!==e.updateAfter(this)&&t.set(r,this.frameId)}else if(t===Bs.RENDER){const{renderMap:t}=this._getMaps(this.updateAfterMap,r);t.get(r)!==this.renderId&&!1!==e.updateAfter(this)&&t.set(r,this.renderId)}else t===Bs.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===Bs.FRAME){const{frameMap:t}=this._getMaps(this.updateMap,r);t.get(r)!==this.frameId&&!1!==e.update(this)&&t.set(r,this.frameId)}else if(t===Bs.RENDER){const{renderMap:t}=this._getMaps(this.updateMap,r);t.get(r)!==this.renderId&&!1!==e.update(this)&&t.set(r,this.renderId)}else t===Bs.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class XT{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}XT.isNodeFunctionInput=!0;class KT extends Vx{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setup(e){super.setup(e);const t=e.context.lightingModel,r=this.colorNode,s=lx(this.light),i=e.context.reflectedLight;t.direct({lightDirection:s,lightColor:r,reflectedLight:i},e.stack,e)}}const YT=new o,QT=new o;let ZT=null;class JT extends Vx{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=gn(new r).setGroup(cn),this.halfWidth=gn(new r).setGroup(cn),this.updateType=Bs.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;QT.identity(),YT.copy(t.matrixWorld),YT.premultiply(r),QT.extractRotation(YT),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(QT),this.halfHeight.value.applyMatrix4(QT)}setup(e){let t,r;super.setup(e),e.isAvailable("float32Filterable")?(t=Lu(ZT.LTC_FLOAT_1),r=Lu(ZT.LTC_FLOAT_2)):(t=Lu(ZT.LTC_HALF_1),r=Lu(ZT.LTC_HALF_2));const{colorNode:s,light:i}=this,n=e.context.lightingModel,o=ux(i),a=e.context.reflectedLight;n.directRectArea({lightColor:s,lightPosition:o,halfWidth:this.halfWidth,halfHeight:this.halfHeight,reflectedLight:a,ltc_1:t,ltc_2:r},e.stack,e)}static setLTC(e){ZT=e}}class e_ extends Vx{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=gn(0).setGroup(cn),this.penumbraCosNode=gn(0).setGroup(cn),this.cutoffDistanceNode=gn(0).setGroup(cn),this.decayExponentNode=gn(0).setGroup(cn)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e){const{coneCosNode:t,penumbraCosNode:r}=this;return Aa(t,r,e)}setup(e){super.setup(e);const t=e.context.lightingModel,{colorNode:r,cutoffDistanceNode:s,decayExponentNode:i,light:n}=this,o=ux(n).sub(_l),a=o.normalize(),u=a.dot(lx(n)),l=this.getSpotAttenuation(u),d=o.length(),c=Ox({lightDistance:d,cutoffDistance:s,decayExponent:i});let h=r.mul(l).mul(c);if(n.map){const e=nx(n),t=Lu(n.map,e.xy).onRenderUpdate((()=>n.map));h=e.mul(2).sub(1).abs().lessThan(1).all().select(h.mul(t),h)}const p=e.context.reflectedLight;t.direct({lightDirection:a,lightColor:h,reflectedLight:p},e.stack,e)}}class t_ extends e_{static get type(){return"IESSpotLightNode"}getSpotAttenuation(e){const t=this.light.iesMap;let r=null;if(t&&!0===t.isTexture){const s=e.acos().mul(1/Math.PI);r=Lu(t,ki(s,0),0).r}else r=super.getSpotAttenuation(e);return r}}class r_ extends Vx{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class s_ extends Vx{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=ox(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=gn(new e).setGroup(cn)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=wl.dot(s).mul(.5).add(.5),n=_a(r,t,i);e.context.irradiance.addAssign(n)}}class i_ extends Vx{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=zu(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=Wb(Ml,this.lightProbe);e.context.irradiance.addAssign(t)}}class n_{parseFunction(){console.warn("Abstract function.")}}class o_{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){console.warn("Abstract function.")}}o_.isNodeFunction=!0;const a_=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,u_=/[a-z_0-9]+/gi,l_="#pragma main";class d_ extends o_{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:o,headerCode:a}=(e=>{const t=(e=e.trim()).indexOf(l_),r=-1!==t?e.slice(t+12):e,s=r.match(a_);if(null!==s&&5===s.length){const i=s[4],n=[];let o=null;for(;null!==(o=u_.exec(i));)n.push(o);const a=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];a.push(new XT(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:a,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=o,this.headerCode=a}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:o}=this;let a=`${s} ${e} ( ${i.trim()} )`;""!==o&&(a=`${o} ${a}`),t=n+a+r}else t="";return t}}class c_ extends n_{parseFunction(e){return new d_(e)}}const h_=new WeakMap,p_=[],g_=[];class m_ extends qg{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new qT,this.nodeBuilderCache=new Map,this.callHashCache=new zg,this.groupsData=new zg,this.cacheLib={}}updateGroup(e){const t=e.groupNode,r=t.name;if(r===hn.name)return!0;if(r===cn.name){const t=this.get(e),r=this.nodeFrame.renderId;return t.renderId!==r&&(t.renderId=r,!0)}if(r===dn.name){const t=this.get(e),r=this.nodeFrame.frameId;return t.frameId!==r&&(t.frameId=r,!0)}p_[0]=t,p_[1]=e;let s=this.groupsData.get(p_);return void 0===s&&this.groupsData.set(p_,s={}),p_.length=0,s.version!==t.version&&(s.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}getForRender(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const{nodeBuilderCache:s}=this,i=this.getForRenderCacheKey(e);if(r=s.get(i),void 0===r){const t=this.backend.createNodeBuilder(e.object,this.renderer);t.scene=e.scene,t.material=e.material,t.camera=e.camera,t.context.material=e.material,t.lightsNode=e.lightsNode,t.environmentNode=this.getEnvironmentNode(e.scene),t.fogNode=this.getFogNode(e.scene),t.clippingContext=e.clippingContext,t.build(),r=this._createNodeBuilderState(t),s.set(i,r)}r.usedTimes++,t.nodeBuilderState=r}return r}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r}return r}_createNodeBuilderState(e){return new Yb(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.transforms)}getEnvironmentNode(e){this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){p_[0]=e,p_[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(p_)||{};if(s.callId!==r){const i=this.getEnvironmentNode(e),n=this.getFogNode(e);t&&g_.push(t.getCacheKey(!0)),i&&g_.push(i.getCacheKey()),n&&g_.push(n.getCacheKey()),g_.push(this.renderer.shadowMap.enabled?1:0),s.callId=r,s.cacheKey=ms(g_),this.callHashCache.set(p_,s),g_.length=0}return p_.length=0,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,(()=>{if(!0===r.isCubeTexture||r.mapping===j||r.mapping===q||r.mapping===Pe){if(e.backgroundBlurriness>0||r.mapping===Pe)return lg(r);{let e;return e=!0===r.isCubeTexture?zl(r):Lu(r),Ph(e)}}if(!0===r.isTexture)return Lu(r,Dc.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&console.error("WebGPUNodes: Unsupported background configuration.",r)}),s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,(()=>{if(r.isFogExp2){const e=Hl("color","color",r).setGroup(cn),t=Hl("density","float",r).setGroup(cn);return Vy(e,Dy(t))}if(r.isFog){const e=Hl("color","color",r).setGroup(cn),t=Hl("near","float",r).setGroup(cn),s=Hl("far","float",r).setGroup(cn);return Vy(e,Ly(t,s))}console.error("THREE.Renderer: Unsupported fog configuration.",r)}));t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,(()=>!0===r.isCubeTexture?zl(r):!0===r.isTexture?Lu(r):void console.error("Nodes: Unsupported environment configuration.",r)));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace}hasOutputChange(e){return h_.get(e)!==this.getOutputCacheKey()}getOutputNode(e){const t=this.renderer,r=this.getOutputCacheKey(),s=Lu(e,Dc).renderOutput(t.toneMapping,t.currentColorSpace);return h_.set(e,r),s}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new qT,this.nodeBuilderCache=new Map,this.cacheLib={}}}const f_=new xe;class y_{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass,this.viewMatrix=e.viewMatrix)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){f_.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=f_.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=f_.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix=t.matrixWorldInverse,this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let o,a;if(this.clipIntersection?(o=this.intersectionPlanes,a=e.intersectionPlanes.length):(o=this.unionPlanes,a=e.unionPlanes.length),o.length!==a+n){o.length=a+n;for(let e=0;e<n;e++)o[a+e]=new s;r=!0}this.projectPlanes(i,o,a),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new y_(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class x_{constructor(e,t){this.bundleGroup=e,this.camera=t}}const b_=[];class T_{constructor(){this.bundles=new zg}get(e,t){const r=this.bundles;b_[0]=e,b_[1]=t;let s=r.get(b_);return void 0===s&&(s=new x_(e,t),r.set(b_,s)),b_.length=0,s}dispose(){this.bundles=new zg}}class __{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))console.warn(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))console.warn(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`Base class ${t.name} is not a class.`);r.set(t,e)}}}const v_=new hx,N_=[];class S_ extends zg{constructor(){super()}createNode(e=[]){return(new hx).setLights(e)}getNode(e,t){if(e.isQuadMesh)return v_;N_[0]=e,N_[1]=t;let r=this.get(N_);return void 0===r&&(r=this.createNode(),this.set(N_,r)),N_.length=0,r}}class A_ extends ye{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this.hasExternalTextures=!1,this.autoAllocateDepthBuffer=!0}copy(e){return super.copy(e),this.hasExternalTextures=e.hasExternalTextures,this.autoAllocateDepthBuffer=e.autoAllocateDepthBuffer,this}}const R_=new r,C_=new r;class E_ extends a{constructor(e){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new Ie,this._cameraL.viewport=new s,this._cameraR=new Ie,this._cameraR.viewport=new s,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new ke,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._currentRenderTarget=null,this._xrRenderTarget=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSize=new t,this._onSessionEvent=M_.bind(this),this._onSessionEnd=B_.bind(this),this._onInputSourcesChange=F_.bind(this),this._onAnimationFrame=U_.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._glProjLayer=null,this._xrFrame=null,this._useLayers="undefined"!=typeof XRWebGLBinding&&"createProjectionLayer"in XRWebGLBinding.prototype}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){if(null!==this._glProjLayer||null!==this._glBaseLayer)return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&console.warn("THREE.XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&console.warn("THREE.XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getFrame(){return this._xrFrame}getSession(){return this._session}async setSession(e){const t=this._renderer,r=t.backend,s=t.getContext();if(this._session=e,null!==e){if(!0===r.isWebGPUBackend)throw new Error('THREE.XRManager: XR is currently not supported with a WebGPU backend. Use WebGL by passing "{ forceWebGL: true }" to the constructor of the renderer.');this._currentRenderTarget=t.getRenderTarget(),e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),await r.makeXRCompatible(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop();const i=s.getContextAttributes();if(!0===this._useLayers){let r=null,n=null,o=null;i.depth&&(o=i.stencil?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24,r=i.stencil?pe:ge,n=i.stencil?me:b);const a={colorFormat:s.RGBA8,depthFormat:o,scaleFactor:this._framebufferScaleFactor},u=new XRWebGLBinding(e,s),l=u.createProjectionLayer(a);this._glBinding=u,this._glProjLayer=l,e.updateRenderState({layers:[l]}),t.setPixelRatio(1),t.setSize(l.textureWidth,l.textureHeight,!1),this._xrRenderTarget=new A_(l.textureWidth,l.textureHeight,{format:Le,type:fe,colorSpace:t.outputColorSpace,depthTexture:new F(l.textureWidth,l.textureHeight,n,void 0,void 0,void 0,void 0,void 0,void 0,r),stencilBuffer:i.stencil,samples:i.antialias?4:0}),this._xrRenderTarget.hasExternalTextures=!0}else{const r={antialias:i.antialias,alpha:!0,depth:i.depth,stencil:i.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},n=new XRWebGLLayer(e,s,r);this._glBaseLayer=n,e.updateRenderState({baseLayer:n}),t.setPixelRatio(1),t.setSize(n.framebufferWidth,n.framebufferHeight,!1),this._xrRenderTarget=new A_(n.framebufferWidth,n.framebufferHeight,{format:Le,type:fe,colorSpace:t.outputColorSpace,stencilBuffer:i.stencil})}this.setFoveation(this.getFoveation()),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,o=this._cameraR;i.near=o.near=n.near=r,i.far=o.far=n.far=s,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),n.layers.mask=2|e.layers.mask,o.layers.mask=4|e.layers.mask,i.layers.mask=n.layers.mask|o.layers.mask;const a=e.parent,u=i.cameras;w_(i,a);for(let e=0;e<u.length;e++)w_(u[e],a);2===u.length?function(e,t,r){R_.setFromMatrixPosition(t.matrixWorld),C_.setFromMatrixPosition(r.matrixWorld);const s=R_.distanceTo(C_),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,o=i[14]/(i[10]-1),a=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=o*d,p=o*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=o+g,r=a+g,i=h-m,n=p+(s-m),d=u*a/r*t,c=l*a/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,o):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*$e*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,a)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new ze,this._controllers[e]=t),t}}function w_(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function M_(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function B_(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}this._currentDepthNear=null,this._currentDepthFar=null,t.backend.setXRTarget(null),t.setRenderTarget(this._currentRenderTarget),this._session=null,this._xrRenderTarget=null,this.isPresenting=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function F_(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const o=t[n];o&&o.connect(i)}}function U_(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,o=this._glBaseLayer,a=this.getReferenceSpace(),u=t.getViewerPose(a);if(this._xrFrame=t,null!==u){const e=u.views;null!==this._glBaseLayer&&n.setXRTarget(o.framebuffer);let t=!1;e.length!==r.cameras.length&&(r.cameras.length=0,t=!0);for(let i=0;i<e.length;i++){const a=e[i];let u;if(!0===this._useLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,a);u=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues?void 0:e.depthStencilTexture)}else u=o.getViewport(a);let l=this._cameras[i];void 0===l&&(l=new Ie,l.layers.enable(i),l.viewport=new s,this._cameras[i]=l),l.matrix.fromArray(a.transform.matrix),l.matrix.decompose(l.position,l.quaternion,l.scale),l.projectionMatrix.fromArray(a.projectionMatrix),l.projectionMatrixInverse.copy(l.projectionMatrix).invert(),l.viewport.set(u.x,u.y,u.width,u.height),0===i&&(r.matrix.copy(l.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===t&&r.cameras.push(l)}i.setRenderTarget(this._xrRenderTarget)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,a)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}const P_=new z,I_=new t,L_=new s,D_=new qe,V_=new o,O_=new s;class G_{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,alpha:i=!0,depth:n=!0,stencil:o=!1,antialias:a=!1,samples:u=0,getFallback:l=null}=t;this.domElement=e.getDomElement(),this.backend=e,this.samples=u||!0===a?4:0,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=r,this.outputColorSpace=We,this.toneMapping=p,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=n,this.stencil=o,this.info=new sm,this.nodes={modelViewMatrix:null,modelNormalViewMatrix:null},this.library=new __,this.lighting=new S_,this._getFallback=l,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quad=new Tf(new gh),this._quad.material.name="Renderer_output",this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const d=!0===this.alpha?0:1;this._clearColor=new Rm(0,0,0,d),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this._initialized=!1,this._initPromise=null,this._compilationPromises=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,type:He},this.xr=new E_(this),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(e,t);const s=this._renderLists.get(e,t),i=this._renderContexts.get(e,t,this._renderTarget),n=e.overrideMaterial||r.material,o=this._objects.get(r,n,e,t,s.lightsNode,i,i.clippingContext),{fragmentShader:a,vertexShader:u}=o.getNodeBuilderState();return{fragmentShader:a,vertexShader:u}}}}async init(){if(this._initialized)throw new Error("Renderer: Backend has already been initialized.");return null!==this._initPromise||(this._initPromise=new Promise((async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new m_(this,r),this._animation=new kg(this._nodes,this.info),this._attributes=new Jg(r),this._background=new qb(this,this._nodes),this._geometries=new rm(this._attributes,this.info),this._textures=new Am(this,r,this.info),this._pipelines=new lm(r,this._nodes),this._bindings=new dm(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new jg(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new fm(this.lighting),this._bundles=new T_,this._renderContexts=new Nm,this._animation.start(),this._initialized=!0,e()}))),this._initPromise}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,o=this._currentRenderObjectFunction,a=this._compilationPromises,u=!0===e.isScene?e:P_;null===r&&(r=e);const l=this._renderTarget,d=this._renderContexts.get(r,t,l),c=this._activeMipmapLevel,h=[];this._currentRenderContext=d,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=h,s.renderId++,s.update(),d.depth=this.depth,d.stencil=this.stencil,d.clippingContext||(d.clippingContext=new y_),d.clippingContext.updateGlobal(u,t),u.onBeforeRender(this,e,t,l);const p=this._renderLists.get(e,t);if(p.begin(),this._projectObject(e,t,0,p,d.clippingContext),r!==e&&r.traverseVisible((function(e){e.isLight&&e.layers.test(t.layers)&&p.pushLight(e)})),p.finish(),null!==l){this._textures.updateRenderTarget(l,c);const e=this._textures.get(l);d.textures=e.textures,d.depthTexture=e.depthTexture}else d.textures=null,d.depthTexture=null;this._background.update(u,p,d);const g=p.opaque,m=p.transparent,f=p.transparentDoublePass,y=p.lightsNode;!0===this.opaque&&g.length>0&&this._renderObjects(g,t,u,y),!0===this.transparent&&m.length>0&&this._renderTransparents(m,f,t,u,y),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=o,this._compilationPromises=a,this._handleObjectFunction=this._renderObjectDirect,await Promise.all(h)}async renderAsync(e,t){!1===this._initialized&&await this.init(),this._renderScene(e,t)}async waitForGPU(){await this.backend.waitForGPU()}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),console.error(t),this._isDeviceLost=!0}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,o=this._currentRenderContext,a=this._bundles.get(s,i),u=this.backend.get(a);void 0===u.renderContexts&&(u.renderContexts=new Set);const l=s.version!==u.version,d=!1===u.renderContexts.has(o)||l;if(u.renderContexts.add(o),d){this.backend.beginBundle(o),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=a;const e=n.opaque;!0===this.opaque&&e.length>0&&this._renderObjects(e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(o,a),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(o,a)}render(e,t){if(!1===this._initialized)return console.warn("THREE.Renderer: .render() called before the backend is initialized. Try using .renderAsync() instead."),this.renderAsync(e,t);this._renderScene(e,t)}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this;if(!1===(e!==p)&&!1===(t!==Ee))return null;const{width:r,height:s}=this.getDrawingBufferSize(I_),{depth:i,stencil:n}=this;let o=this._frameBufferTarget;return null===o&&(o=new ye(r,s,{depthBuffer:i,stencilBuffer:n,type:Te,format:Le,colorSpace:Ee,generateMipmaps:!1,minFilter:$,magFilter:$,samples:this.samples}),o.isPostProcessingRenderTarget=!0,this._frameBufferTarget=o),o.depthBuffer=i,o.stencilBuffer=n,o.setSize(r,s),o.viewport.copy(this._viewport),o.scissor.copy(this._scissor),o.viewport.multiplyScalar(this._pixelRatio),o.scissor.multiplyScalar(this._pixelRatio),o.scissorTest=this._scissorTest,o}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,o=this._currentRenderContext,a=this._currentRenderObjectFunction,u=!0===e.isScene?e:P_,l=this._renderTarget,d=this._activeCubeFace,c=this._activeMipmapLevel;let h;null!==s?(h=s,this.setRenderTarget(h)):h=l;const p=this._renderContexts.get(e,t,h);this._currentRenderContext=p,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls;const g=this.coordinateSystem,m=this.xr;if(t.coordinateSystem!==g&&!1===m.isPresenting&&(t.coordinateSystem=g,t.updateProjectionMatrix(),t.isArrayCamera))for(const e of t.cameras)e.coordinateSystem=g,e.updateProjectionMatrix();!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0===m.enabled&&!0===m.isPresenting&&(!0===m.cameraAutoUpdate&&m.updateCamera(t),t=m.getCamera());let f=this._viewport,y=this._scissor,x=this._pixelRatio;null!==h&&(f=h.viewport,y=h.scissor,x=1),this.getDrawingBufferSize(I_),L_.set(0,0,I_.width,I_.height);const b=void 0===f.minDepth?0:f.minDepth,T=void 0===f.maxDepth?1:f.maxDepth;p.viewportValue.copy(f).multiplyScalar(x).floor(),p.viewportValue.width>>=c,p.viewportValue.height>>=c,p.viewportValue.minDepth=b,p.viewportValue.maxDepth=T,p.viewport=!1===p.viewportValue.equals(L_),p.scissorValue.copy(y).multiplyScalar(x).floor(),p.scissor=this._scissorTest&&!1===p.scissorValue.equals(L_),p.scissorValue.width>>=c,p.scissorValue.height>>=c,p.clippingContext||(p.clippingContext=new y_),p.clippingContext.updateGlobal(u,t),u.onBeforeRender(this,e,t,h),V_.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),D_.setFromProjectionMatrix(V_,g);const _=this._renderLists.get(e,t);if(_.begin(),this._projectObject(e,t,0,_,p.clippingContext),_.finish(),!0===this.sortObjects&&_.sort(this._opaqueSort,this._transparentSort),null!==h){this._textures.updateRenderTarget(h,c);const e=this._textures.get(h);p.textures=e.textures,p.depthTexture=e.depthTexture,p.width=e.width,p.height=e.height,p.renderTarget=h,p.depth=h.depthBuffer,p.stencil=h.stencilBuffer}else p.textures=null,p.depthTexture=null,p.width=this.domElement.width,p.height=this.domElement.height,p.depth=this.depth,p.stencil=this.stencil;p.width>>=c,p.height>>=c,p.activeCubeFace=d,p.activeMipmapLevel=c,p.occlusionQueryCount=_.occlusionQueryCount,this._background.update(u,_,p),this.backend.beginRender(p);const{bundles:v,lightsNode:N,transparentDoublePass:S,transparent:A,opaque:R}=_;if(v.length>0&&this._renderBundles(v,u,N),!0===this.opaque&&R.length>0&&this._renderObjects(R,t,u,N),!0===this.transparent&&A.length>0&&this._renderTransparents(A,S,t,u,N),this.backend.finishRender(p),i.renderId=n,this._currentRenderContext=o,this._currentRenderObjectFunction=a,null!==s){this.setRenderTarget(l,d,c);const e=this._quad;this._nodes.hasOutputChange(h.texture)&&(e.material.fragmentNode=this._nodes.getOutputNode(h.texture),e.material.needsUpdate=!0),this._renderScene(e,e.camera,!1)}return u.onAfterRender(this,e,t,h),p}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}async getArrayBufferAsync(e){return await this.backend.getArrayBufferAsync(e)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._initialized&&this.backend.updateSize()}setSize(e,t,r=!0){this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._initialized&&this.backend.updateSize()}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e,this.backend.setScissorTest(e)}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const o=this._viewport;e.isVector4?o.copy(e):o.set(e,t,r,s),o.minDepth=i,o.maxDepth=n}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)return console.warn("THREE.Renderer: .clear() called before the backend is initialized. Try using .clearAsync() instead."),this.clearAsync(e,t,r);const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.getForClear(s),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer}if(i.clearColorValue=this._clearColor,this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget){const e=this._quad;this._nodes.hasOutputChange(s.texture)&&(e.material.fragmentNode=this._nodes.getOutputNode(s.texture),e.material.needsUpdate=!0),this._renderScene(e,e.camera,!1)}}clearColor(){return this.clear(!0,!1,!1)}clearDepth(){return this.clear(!1,!0,!1)}clearStencil(){return this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){!1===this._initialized&&await this.init(),this.clear(e,t,r)}async clearColorAsync(){this.clearAsync(!0,!1,!1)}async clearDepthAsync(){this.clearAsync(!1,!0,!1)}async clearStencilAsync(){this.clearAsync(!1,!1,!0)}get currentToneMapping(){return null!==this._renderTarget?p:this.toneMapping}get currentColorSpace(){return null!==this._renderTarget?Ee:this.outputColorSpace}dispose(){this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),Object.values(this.backend.timestampQueryPool).forEach((e=>{null!==e&&e.dispose()})),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return console.warn("THREE.Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e);const t=this._nodes.nodeFrame,r=t.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,t.renderId=this.info.calls;const s=this.backend,i=this._pipelines,n=this._bindings,o=this._nodes,a=Array.isArray(e)?e:[e];if(void 0===a[0]||!0!==a[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");s.beginCompute(e);for(const t of a){if(!1===i.has(t)){const e=()=>{t.removeEventListener("dispose",e),i.delete(t),n.delete(t),o.delete(t)};t.addEventListener("dispose",e);const r=t.onInitFunction;null!==r&&r.call(t,{renderer:this})}o.updateForCompute(t),n.updateForCompute(t);const r=n.getForCompute(t),a=i.getForCompute(t,r);s.compute(e,t,r,a)}s.finishCompute(e),t.renderId=r}async computeAsync(e){!1===this._initialized&&await this.init(),this.compute(e)}async hasFeatureAsync(e){return!1===this._initialized&&await this.init(),this.backend.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){return!1===this._initialized?(console.warn("THREE.Renderer: .hasFeature() called before the backend is initialized. Try using .hasFeatureAsync() instead."),!1):this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){!1===this._initialized&&await this.init(),this._textures.updateTexture(e)}initTexture(e){!1===this._initialized&&console.warn("THREE.Renderer: .initTexture() called before the backend is initialized. Try using .initTextureAsync() instead."),this._textures.updateTexture(e)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=O_.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void console.error("THREE.Renderer.copyFramebufferToTexture: Invalid rectangle.");t=O_.copy(t).floor()}else t=O_.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t)}copyTextureToTexture(e,t,r=null,s=null,i=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,o=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,o)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){if(!e.frustumCulled||D_.intersectsSprite(e)){!0===this.sortObjects&&O_.setFromMatrixPosition(e.matrixWorld).applyMatrix4(V_);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,O_.z,null,i)}}else if(e.isLineLoop)console.error("THREE.Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if((e.isMesh||e.isLine||e.isPoints)&&(!e.frustumCulled||D_.intersectsObject(e))){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),O_.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(V_)),Array.isArray(n)){const o=t.groups;for(let a=0,u=o.length;a<u;a++){const u=o[a],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,O_.z,u,i)}}else n.visible&&s.push(e,t,n,r,O_.z,null,i)}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,o=n.length;e<o;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=_;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=je;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=ce}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,o=e.length;n<o;n++){const{object:o,geometry:a,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(o,r,t,a,u,l,s,d,i)}}renderObject(e,t,r,s,i,n,o,a=null,u=null){let l,d,c;if(e.onBeforeRender(this,t,r,s,i,n),null!==t.overrideMaterial){const e=t.overrideMaterial;i.positionNode&&i.positionNode.isNode&&(l=e.positionNode,e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0,e.isShadowPassMaterial&&(e.side=null===i.shadowSide?i.side:i.shadowSide,i.depthNode&&i.depthNode.isNode&&(c=e.depthNode,e.depthNode=i.depthNode),i.castShadowNode&&i.castShadowNode.isNode&&(d=e.colorNode,e.colorNode=i.castShadowNode)),i=e}!0===i.transparent&&i.side===ce&&!1===i.forceSinglePass?(i.side=_,this._handleObjectFunction(e,i,t,r,o,n,a,"backSide"),i.side=je,this._handleObjectFunction(e,i,t,r,o,n,a,u),i.side=ce):this._handleObjectFunction(e,i,t,r,o,n,a,u),void 0!==l&&(t.overrideMaterial.positionNode=l),void 0!==c&&(t.overrideMaterial.depthNode=c),void 0!==d&&(t.overrideMaterial.colorNode=d),e.onAfterRender(this,t,r,s,i,n)}_renderObjectDirect(e,t,r,s,i,n,o,a){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,o,a);u.drawRange=e.geometry.drawRange,u.group=n;const l=this._nodes.needsRefresh(u);if(l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u)}_createObjectPipeline(e,t,r,s,i,n,o,a){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,o,a);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}get compile(){return this.compileAsync}}class k_{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}clone(){return Object.assign(new this.constructor,this)}}class z_ extends k_{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t}get byteLength(){return(e=this._buffer.byteLength)+(Zg-e%Zg)%Zg;var e}get buffer(){return this._buffer}update(){return!0}}class $_ extends z_{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let W_=0;class H_ extends $_{constructor(e,t){super("UniformBuffer_"+W_++,e?e.value:null),this.nodeUniform=e,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class j_ extends $_{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[]}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){let e=0;for(let t=0,r=this.uniforms.length;t<r;t++){const r=this.uniforms[t],{boundary:s,itemSize:i}=r,n=e%Zg;0!==n&&Zg-n-s<0?e+=Zg-n:n%s!=0&&(e+=n%s),r.offset=e/this.bytesPerElement,e+=i*this.bytesPerElement}return Math.ceil(e/Zg)*Zg}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void console.error("THREE.WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,t=!0}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,e[i+2]=r[i+2]=s.z,t=!0}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+4]!==s.w){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,e[i+2]=r[i+2]=s.z,e[i+3]=r[i+3]=s.w,t=!0}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const e=this.buffer;e[i+0]=r[i+0]=s.r,e[i+1]=r[i+1]=s.g,e[i+2]=r[i+2]=s.b,t=!0}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const e=this.buffer;e[i+0]=r[i+0]=s[0],e[i+1]=r[i+1]=s[1],e[i+2]=r[i+2]=s[2],e[i+4]=r[i+4]=s[3],e[i+5]=r[i+5]=s[4],e[i+6]=r[i+6]=s[5],e[i+8]=r[i+8]=s[6],e[i+9]=r[i+9]=s[7],e[i+10]=r[i+10]=s[8],t=!0}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let q_=0;class X_ extends j_{constructor(e,t){super(e),this.id=q_++,this.groupNode=t,this.isNodeUniformsGroup=!0}}let K_=0;class Y_ extends k_{constructor(e,t){super(e),this.id=K_++,this.texture=t,this.version=t?t.version:0,this.store=!1,this.generation=null,this.isSampledTexture=!0}needsBindingsUpdate(e){const{texture:t}=this;return e!==this.generation?(this.generation=e,!0):t.isVideoTexture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}}class Q_ extends Y_{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}needsBindingsUpdate(e){return this.textureNode.value!==this.texture||super.needsBindingsUpdate(e)}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class Z_ extends Q_{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class J_ extends Q_{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const ev={textureDimensions:"textureSize",equals:"equal"},tv={low:"lowp",medium:"mediump",high:"highp"},rv={swizzleAssign:!0,storageBuffer:!1},sv="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision lowp sampler2DShadow;\n";class iv extends jT{constructor(e,t){super(e,t,new c_),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]},this.useComparisonMethod=!0}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==x}getMethod(e){return ev[e]||e}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?Ke:Ye;2===s?n=i?Qe:Be:3===s?n=i?Ze:Je:4===s&&(n=i?et:Le);const o={Float32Array:w,Uint8Array:fe,Uint16Array:tt,Uint32Array:b,Int8Array:rt,Int16Array:st,Int32Array:T,Uint8ClampedArray:fe},a=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/a);a*u*s<r&&u++;const l=a*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new Xe(t.array,a,u,n,o[t.array.constructor.name]||w);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new Iu(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.label)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?t.charAt(0)+"_"+e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.label),n=this.getPropertyName(i);this.increaseUsage(r);const o=r.build(this,"uint"),a=this.getDataFromNode(e);let u=a.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+Ds.join("").slice(0,d),h=`ivec2(${o} % ${l}, ${o} / ${l})`,p=this.generateTextureLoad(null,n,h,null,"0");let g="vec4";s.pbo.type===b?g="uvec4":s.pbo.type===T&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),a.propertyName=u}return u}generateTextureLoad(e,t,r,s,i="0"){return s?`texelFetch( ${t}, ivec3( ${r}, ${s} ), ${i} )`:`texelFetch( ${t}, ${r}, ${i} )`}generateTexture(e,t,r,s){return e.isDepthTexture?`texture( ${t}, ${r} ).x`:(s&&(r=`vec3( ${r}, ${s} )`),`texture( ${t}, ${r} )`)}generateTextureLevel(e,t,r,s){return`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s){return`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s){return`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`texture( ${t}, vec3( ${r}, ${s} ) )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`${this.getVar(e.type,e.name,e.count)};`);return t.join("\n\t")}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const i of t){let t=null,n=!1;if("texture"===i.type){const e=i.node.value;let r="";!0===e.isDataTexture&&(e.type===b?r="u":e.type===T&&(r="i")),t=e.compareFunction?`sampler2DShadow ${i.name};`:!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?`${r}sampler2DArray ${i.name};`:`${r}sampler2D ${i.name};`}else if("cubeTexture"===i.type)t=`samplerCube ${i.name};`;else if("texture3D"===i.type)t=`sampler3D ${i.name};`;else if("buffer"===i.type){const e=i.node,r=this.getType(e.bufferType),s=e.bufferCount,n=s>0?s:"";t=`${e.name} {\n\t${r} ${i.name}[${n}];\n};\n`}else{t=`${this.getVectorType(i.type)} ${this.getPropertyName(i,e)};`,n=!0}const o=i.node.precision;if(null!==o&&(t=tv[o]+" "+t),n){t="\t"+t;const e=i.groupNode.name;(s[e]||(s[e]=[])).push(t)}else t="uniform "+t,r.push(t)}let i="";for(const t in s){const r=s[t];i+=this._getGLSLUniformStruct(e+"_"+t,r.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==T){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[],r=e.getMemberTypes();for(let e=0;e<r.length;e++){const s=r[e];t.push(`layout( location = ${e} ) out ${s} m${e};`)}return t.join("\n")}getStructs(e){const t=[],r=this.structs[e];if(0===r.length)return"layout( location = 0 ) out vec4 fragColor;\n";for(let e=0,s=r.length;e<s;e++){const s=r[e];let i="\n";i+=this.getStructMembers(s),i+="\n",t.push(i)}return t.join("\n\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}${s.needsInterpolation?"out":"/*out*/"} ${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce(((e,t)=>e*t),1)}u`}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":null}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=rv[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}rv[e]=t}return t}isFlipY(){return!0}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);t+=`${s.varyingName} = ${i};\n\t`}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions \n${e.extensions}\n\n// precision\n${sv}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// precision\n${sv}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// codes\n${e.codes}\n\n${e.structs}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${s.result};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${s.result};`)))}const n=e[t];n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let o=n.uniformGPU;if(void 0===o){const s=e.groupNode,a=s.name,u=this.getBindGroupArray(a,r);if("texture"===t)o=new Q_(i.name,i.node,s),u.push(o);else if("cubeTexture"===t)o=new Z_(i.name,i.node,s),u.push(o);else if("texture3D"===t)o=new J_(i.name,i.node,s),u.push(o);else if("buffer"===t){e.name=`NodeBuffer_${e.id}`,i.name=`buffer${e.id}`;const t=new H_(e,s);t.name=e.name,u.push(t),o=t}else{const e=this.uniformGroups[r]||(this.uniformGroups[r]={});let n=e[a];void 0===n&&(n=new X_(r+"_"+a,s),e[a]=n,u.push(n)),o=this.getNodeUniform(i,t),n.addUniform(o)}n.uniformGPU=o}return i}}let nv=null,ov=null;class av{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={render:null,compute:null}}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}createSampler(){}destroySampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void it("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return void it(`WebGPURenderer: No timestamp query pool for type '${e}' found.`);const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async waitForGPU(){}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getMaxAnisotropy(){}getDrawingBufferSize(){return nv=nv||new t,this.renderer.getDrawingBufferSize(nv)}setScissorTest(){}getClearColor(){const e=this.renderer;return ov=ov||new Rm,e.getClearColor(ov),ov.getRGB(ov,this.renderer.currentColorSpace),ov}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:nt(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${Ge} webgpu`),this.domElement=e),e}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}dispose(){}}let uv,lv,dv=0;class cv{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class hv{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,o=e.isInterleavedBufferAttribute?e.data:e,a=r.get(o);let u,l=a.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),a.bufferGPU=l,a.bufferType=t,a.version=o.version),i instanceof Float32Array)u=s.FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===T,id:dv++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new cv(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),o=n.bufferType,a=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(o,n.bufferGPU),0===a.length)r.bufferSubData(o,0,s);else{for(let e=0,t=a.length;e<t;e++){const t=a[e];r.bufferSubData(o,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(o,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,{gl:r}=t,s=e.isInterleavedBufferAttribute?e.data:e,{bufferGPU:i}=t.get(s),n=e.array,o=n.byteLength;r.bindBuffer(r.COPY_READ_BUFFER,i);const a=r.createBuffer();r.bindBuffer(r.COPY_WRITE_BUFFER,a),r.bufferData(r.COPY_WRITE_BUFFER,o,r.STREAM_READ),r.copyBufferSubData(r.COPY_READ_BUFFER,r.COPY_WRITE_BUFFER,0,0,o),await t.utils._clientWaitAsync();const u=new e.array.constructor(n.length);return r.bindBuffer(r.COPY_WRITE_BUFFER,a),r.getBufferSubData(r.COPY_WRITE_BUFFER,0,u),r.deleteBuffer(a),r.bindBuffer(r.COPY_READ_BUFFER,null),r.bindBuffer(r.COPY_WRITE_BUFFER,null),u.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class pv{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;uv={[ot]:e.FUNC_ADD,[at]:e.FUNC_SUBTRACT,[ut]:e.FUNC_REVERSE_SUBTRACT},lv={[lt]:e.ZERO,[dt]:e.ONE,[ct]:e.SRC_COLOR,[ht]:e.SRC_ALPHA,[pt]:e.SRC_ALPHA_SATURATE,[gt]:e.DST_COLOR,[mt]:e.DST_ALPHA,[ft]:e.ONE_MINUS_SRC_COLOR,[yt]:e.ONE_MINUS_SRC_ALPHA,[xt]:e.ONE_MINUS_DST_COLOR,[bt]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==Tt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===_t?t.cullFace(t.BACK):e===vt?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setBlending(e,t,r,s,i,n,o,a){const{gl:u}=this;if(e!==D){if(!1===this.currentBlendingEnabled&&(this.enable(u.BLEND),this.currentBlendingEnabled=!0),e===Nt)i=i||t,n=n||r,o=o||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(u.blendEquationSeparate(uv[t],uv[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&o===this.currentBlendDstAlpha||(u.blendFuncSeparate(lv[r],lv[s],lv[n],lv[o]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=o),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||a!==this.currentPremultipledAlpha){if(this.currentBlendEquation===ot&&this.currentBlendEquationAlpha===ot||(u.blendEquation(u.FUNC_ADD),this.currentBlendEquation=ot,this.currentBlendEquationAlpha=ot),a)switch(e){case P:u.blendFuncSeparate(u.ONE,u.ONE_MINUS_SRC_ALPHA,u.ONE,u.ONE_MINUS_SRC_ALPHA);break;case Rt:u.blendFunc(u.ONE,u.ONE);break;case At:u.blendFuncSeparate(u.ZERO,u.ONE_MINUS_SRC_COLOR,u.ZERO,u.ONE);break;case St:u.blendFuncSeparate(u.ZERO,u.SRC_COLOR,u.ZERO,u.SRC_ALPHA);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}else switch(e){case P:u.blendFuncSeparate(u.SRC_ALPHA,u.ONE_MINUS_SRC_ALPHA,u.ONE,u.ONE_MINUS_SRC_ALPHA);break;case Rt:u.blendFunc(u.SRC_ALPHA,u.ONE);break;case At:u.blendFuncSeparate(u.ZERO,u.ONE_MINUS_SRC_COLOR,u.ZERO,u.ONE);break;case St:u.blendFunc(u.ZERO,u.SRC_COLOR);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=a}}else!0===this.currentBlendingEnabled&&(this.disable(u.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case Pt:t.depthFunc(t.NEVER);break;case Ut:t.depthFunc(t.ALWAYS);break;case Ft:t.depthFunc(t.LESS);break;case Bt:t.depthFunc(t.LEQUAL);break;case Mt:t.depthFunc(t.EQUAL);break;case wt:t.depthFunc(t.GEQUAL);break;case Et:t.depthFunc(t.GREATER);break;case Ct:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?t.enable(t.SCISSOR_TEST):t.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===ce?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===_;t&&(i=!i),this.setFlipSided(i),e.blending===P&&!1===e.transparent?this.setBlending(D):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.samples>1?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:o}=this;void 0===r&&(r=null===i?s.TEXTURE0+o-1:i);let a=n[r];void 0===a&&(a={type:void 0,texture:void 0},n[r]=a),a.type===e&&a.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),a.type=e,a.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}}class gv{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=x){const{gl:r,extensions:s}=this;let i;if(e===fe)return r.UNSIGNED_BYTE;if(e===It)return r.UNSIGNED_SHORT_4_4_4_4;if(e===Lt)return r.UNSIGNED_SHORT_5_5_5_1;if(e===Dt)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===rt)return r.BYTE;if(e===st)return r.SHORT;if(e===tt)return r.UNSIGNED_SHORT;if(e===T)return r.INT;if(e===b)return r.UNSIGNED_INT;if(e===w)return r.FLOAT;if(e===Te)return r.HALF_FLOAT;if(e===Vt)return r.ALPHA;if(e===Je)return r.RGB;if(e===Le)return r.RGBA;if(e===Ot)return r.LUMINANCE;if(e===Gt)return r.LUMINANCE_ALPHA;if(e===ge)return r.DEPTH_COMPONENT;if(e===pe)return r.DEPTH_STENCIL;if(e===Ye)return r.RED;if(e===Ke)return r.RED_INTEGER;if(e===Be)return r.RG;if(e===Qe)return r.RG_INTEGER;if(e===et)return r.RGBA_INTEGER;if(e===kt||e===zt||e===$t||e===Wt)if(t===We){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===kt)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===zt)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===$t)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===Wt)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===kt)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===zt)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===$t)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===Wt)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===Ht||e===jt||e===qt||e===Xt){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===Ht)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===jt)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===qt)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===Xt)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===Kt||e===Yt||e===Qt){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===Kt||e===Yt)return t===We?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===Qt)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC}if(e===Zt||e===Jt||e===er||e===tr||e===rr||e===sr||e===ir||e===nr||e===or||e===ar||e===ur||e===lr||e===dr||e===cr){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===Zt)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===Jt)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===er)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===tr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===rr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===sr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===ir)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===nr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===or)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===ar)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===ur)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===lr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===dr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===cr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===hr){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===hr)return t===We?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(e===pr||e===gr||e===mr||e===fr){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===hr)return i.COMPRESSED_RED_RGTC1_EXT;if(e===gr)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===mr)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===fr)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===me?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise(((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()}))}}let mv,fv,yv,xv=!1;class bv{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},!1===xv&&(this._init(),xv=!0)}_init(){const e=this.gl;mv={[yr]:e.REPEAT,[xr]:e.CLAMP_TO_EDGE,[br]:e.MIRRORED_REPEAT},fv={[Tr]:e.NEAREST,[_r]:e.NEAREST_MIPMAP_NEAREST,[Ve]:e.NEAREST_MIPMAP_LINEAR,[$]:e.LINEAR,[De]:e.LINEAR_MIPMAP_NEAREST,[B]:e.LINEAR_MIPMAP_LINEAR},yv={[vr]:e.NEVER,[Nr]:e.ALWAYS,[we]:e.LESS,[Sr]:e.LEQUAL,[Ar]:e.EQUAL,[Rr]:e.GEQUAL,[Cr]:e.GREATER,[Er]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i=!1){const{gl:n,extensions:o}=this;if(null!==e){if(void 0!==n[e])return n[e];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+e+"'")}let a=t;return t===n.RED&&(r===n.FLOAT&&(a=n.R32F),r===n.HALF_FLOAT&&(a=n.R16F),r===n.UNSIGNED_BYTE&&(a=n.R8),r===n.UNSIGNED_SHORT&&(a=n.R16),r===n.UNSIGNED_INT&&(a=n.R32UI),r===n.BYTE&&(a=n.R8I),r===n.SHORT&&(a=n.R16I),r===n.INT&&(a=n.R32I)),t===n.RED_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.R8UI),r===n.UNSIGNED_SHORT&&(a=n.R16UI),r===n.UNSIGNED_INT&&(a=n.R32UI),r===n.BYTE&&(a=n.R8I),r===n.SHORT&&(a=n.R16I),r===n.INT&&(a=n.R32I)),t===n.RG&&(r===n.FLOAT&&(a=n.RG32F),r===n.HALF_FLOAT&&(a=n.RG16F),r===n.UNSIGNED_BYTE&&(a=n.RG8),r===n.UNSIGNED_SHORT&&(a=n.RG16),r===n.UNSIGNED_INT&&(a=n.RG32UI),r===n.BYTE&&(a=n.RG8I),r===n.SHORT&&(a=n.RG16I),r===n.INT&&(a=n.RG32I)),t===n.RG_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RG8UI),r===n.UNSIGNED_SHORT&&(a=n.RG16UI),r===n.UNSIGNED_INT&&(a=n.RG32UI),r===n.BYTE&&(a=n.RG8I),r===n.SHORT&&(a=n.RG16I),r===n.INT&&(a=n.RG32I)),t===n.RGB&&(r===n.FLOAT&&(a=n.RGB32F),r===n.HALF_FLOAT&&(a=n.RGB16F),r===n.UNSIGNED_BYTE&&(a=n.RGB8),r===n.UNSIGNED_SHORT&&(a=n.RGB16),r===n.UNSIGNED_INT&&(a=n.RGB32UI),r===n.BYTE&&(a=n.RGB8I),r===n.SHORT&&(a=n.RGB16I),r===n.INT&&(a=n.RGB32I),r===n.UNSIGNED_BYTE&&(a=s===We&&!1===i?n.SRGB8:n.RGB8),r===n.UNSIGNED_SHORT_5_6_5&&(a=n.RGB565),r===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1),r===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGB4),r===n.UNSIGNED_INT_5_9_9_9_REV&&(a=n.RGB9_E5)),t===n.RGB_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RGB8UI),r===n.UNSIGNED_SHORT&&(a=n.RGB16UI),r===n.UNSIGNED_INT&&(a=n.RGB32UI),r===n.BYTE&&(a=n.RGB8I),r===n.SHORT&&(a=n.RGB16I),r===n.INT&&(a=n.RGB32I)),t===n.RGBA&&(r===n.FLOAT&&(a=n.RGBA32F),r===n.HALF_FLOAT&&(a=n.RGBA16F),r===n.UNSIGNED_BYTE&&(a=n.RGBA8),r===n.UNSIGNED_SHORT&&(a=n.RGBA16),r===n.UNSIGNED_INT&&(a=n.RGBA32UI),r===n.BYTE&&(a=n.RGBA8I),r===n.SHORT&&(a=n.RGBA16I),r===n.INT&&(a=n.RGBA32I),r===n.UNSIGNED_BYTE&&(a=s===We&&!1===i?n.SRGB8_ALPHA8:n.RGBA8),r===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGBA4),r===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1)),t===n.RGBA_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RGBA8UI),r===n.UNSIGNED_SHORT&&(a=n.RGBA16UI),r===n.UNSIGNED_INT&&(a=n.RGBA32UI),r===n.BYTE&&(a=n.RGBA8I),r===n.SHORT&&(a=n.RGBA16I),r===n.INT&&(a=n.RGBA32I)),t===n.DEPTH_COMPONENT&&(r===n.UNSIGNED_INT&&(a=n.DEPTH24_STENCIL8),r===n.FLOAT&&(a=n.DEPTH_COMPONENT32F)),t===n.DEPTH_STENCIL&&r===n.UNSIGNED_INT_24_8&&(a=n.DEPTH24_STENCIL8),a!==n.R16F&&a!==n.R32F&&a!==n.RG16F&&a!==n.RG32F&&a!==n.RGBA16F&&a!==n.RGBA32F||o.get("EXT_color_buffer_float"),a}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this;r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),r.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),r.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,r.NONE),r.texParameteri(e,r.TEXTURE_WRAP_S,mv[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,mv[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||r.texParameteri(e,r.TEXTURE_WRAP_R,mv[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,fv[t.magFilter]);const n=void 0!==t.mipmaps&&t.mipmaps.length>0,o=t.minFilter===$&&n?B:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,fv[o]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,yv[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===Tr)return;if(t.minFilter!==Ve&&t.minFilter!==B)return;if(t.type===w&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i,isDefault:!0})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:o,depth:a}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,o,a):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,o,a):e.isVideoTexture||r.texStorage2D(h,i,d,n,o),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{textureGPU:i,glTextureType:n,glFormat:o,glType:a}=s.get(t),{width:u,height:l}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(n,i),r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(n,0,0,0,u,l,o,a,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:o,glFormat:a,glType:u,glInternalFormat:l}=this.backend.get(e);if(e.isRenderTargetTexture||void 0===n)return;const d=e=>e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||e instanceof OffscreenCanvas?e:e.data;if(this.backend.state.bindTexture(o,n),this.setTextureParameters(o,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==a?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,a,n.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,a,u,n.data):null!==a?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,a,n.data):console.warn("Unsupported compressed texture format")}}else if(e.isCubeTexture){const e=t.images;for(let t=0;t<6;t++){const n=d(e[t]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+t,0,0,0,s,i,a,u,n)}}else if(e.isDataArrayTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,e.width,e.height,e.depth,a,u,e.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,a,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(o,0,l,a,u,t.image);else{const e=d(t.image);r.texSubImage2D(o,0,0,0,s,i,a,u,e)}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e){const{gl:t,backend:r}=this,{textureGPU:s,renderTarget:i}=r.get(e);this.deallocateRenderBuffers(i),t.deleteTexture(s),r.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0){const{gl:n,backend:o}=this,{state:a}=this.backend,{textureGPU:u,glTextureType:l,glType:d,glFormat:c}=o.get(t);let h,p,g,m,f,y;null!==r?(h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.min.x,m=r.min.y):(h=e.image.width,p=e.image.height,g=0,m=0),null!==s?(f=s.x,y=s.y):(f=0,y=0),a.bindTexture(l,u),n.pixelStorei(n.UNPACK_ALIGNMENT,t.unpackAlignment),n.pixelStorei(n.UNPACK_FLIP_Y_WEBGL,t.flipY),n.pixelStorei(n.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),n.pixelStorei(n.UNPACK_ALIGNMENT,t.unpackAlignment);const x=n.getParameter(n.UNPACK_ROW_LENGTH),b=n.getParameter(n.UNPACK_IMAGE_HEIGHT),T=n.getParameter(n.UNPACK_SKIP_PIXELS),_=n.getParameter(n.UNPACK_SKIP_ROWS),v=n.getParameter(n.UNPACK_SKIP_IMAGES),N=e.isCompressedTexture?e.mipmaps[i]:e.image;if(n.pixelStorei(n.UNPACK_ROW_LENGTH,N.width),n.pixelStorei(n.UNPACK_IMAGE_HEIGHT,N.height),n.pixelStorei(n.UNPACK_SKIP_PIXELS,g),n.pixelStorei(n.UNPACK_SKIP_ROWS,m),e.isRenderTargetTexture||e.isDepthTexture){const r=o.get(e),s=o.get(t),i=o.get(r.renderTarget),u=o.get(s.renderTarget),l=i.framebuffers[r.cacheKey],d=u.framebuffers[s.cacheKey];a.bindFramebuffer(n.READ_FRAMEBUFFER,l),a.bindFramebuffer(n.DRAW_FRAMEBUFFER,d);let c=n.COLOR_BUFFER_BIT;e.isDepthTexture&&(c=n.DEPTH_BUFFER_BIT),n.blitFramebuffer(g,m,h,p,f,y,h,p,c,n.NEAREST),a.bindFramebuffer(n.READ_FRAMEBUFFER,null),a.bindFramebuffer(n.DRAW_FRAMEBUFFER,null)}else e.isDataTexture?n.texSubImage2D(n.TEXTURE_2D,i,f,y,h,p,c,d,N.data):e.isCompressedTexture?n.compressedTexSubImage2D(n.TEXTURE_2D,i,f,y,N.width,N.height,c,N.data):n.texSubImage2D(n.TEXTURE_2D,i,f,y,h,p,c,d,N);n.pixelStorei(n.UNPACK_ROW_LENGTH,x),n.pixelStorei(n.UNPACK_IMAGE_HEIGHT,b),n.pixelStorei(n.UNPACK_SKIP_PIXELS,T),n.pixelStorei(n.UNPACK_SKIP_ROWS,_),n.pixelStorei(n.UNPACK_SKIP_IMAGES,v),0===i&&t.generateMipmaps&&n.generateMipmap(n.TEXTURE_2D),a.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:o,y:a,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==o||0!==a;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-a-l;s.blitFramebuffer(o,p,o+u,p+l,o,p,o+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,o,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,o,c-l-a,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t){const{gl:r}=this,s=t.renderTarget,{samples:i,depthTexture:n,depthBuffer:o,stencilBuffer:a,width:u,height:l}=s;if(r.bindRenderbuffer(r.RENDERBUFFER,e),o&&!a){let t=r.DEPTH_COMPONENT24;i>0?(n&&n.isDepthTexture&&n.type===r.FLOAT&&(t=r.DEPTH_COMPONENT32F),r.renderbufferStorageMultisample(r.RENDERBUFFER,i,t,u,l)):r.renderbufferStorage(r.RENDERBUFFER,t,u,l),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,e)}else o&&a&&(i>0?r.renderbufferStorageMultisample(r.RENDERBUFFER,i,r.DEPTH24_STENCIL8,u,l):r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_STENCIL,u,l),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_STENCIL_ATTACHMENT,r.RENDERBUFFER,e))}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:o,gl:a}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=a.createFramebuffer();a.bindFramebuffer(a.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?a.TEXTURE_CUBE_MAP_POSITIVE_X+n:a.TEXTURE_2D;a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=a.createBuffer();a.bindBuffer(a.PIXEL_PACK_BUFFER,m),a.bufferData(a.PIXEL_PACK_BUFFER,g,a.STREAM_READ),a.readPixels(t,r,s,i,l,d,0),a.bindBuffer(a.PIXEL_PACK_BUFFER,null),await o.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return a.bindBuffer(a.PIXEL_PACK_BUFFER,m),a.getBufferSubData(a.PIXEL_PACK_BUFFER,0,f),a.bindBuffer(a.PIXEL_PACK_BUFFER,null),a.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}}class Tv{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class _v{constructor(e){this.backend=e,this.maxAnisotropy=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}const vv={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBKIT_WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-bc",EXT_texture_compression_bptc:"texture-compression-bptc",EXT_disjoint_timer_query_webgl2:"timestamp-query"};class Nv{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:o,index:a}=this;0!==a?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),o.update(i,t,s,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:o,object:a,info:u}=this;0!==r&&(0!==o?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(a,t,i,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:o}=this;if(0===r)return;const a=s.get("WEBGL_multi_draw");if(null===a)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?a.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):a.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];o.update(n,s,i,1)}}renderMultiDrawInstances(e,t,r,s){const{extensions:i,mode:n,object:o,info:a}=this;if(0===r)return;const u=i.get("WEBGL_multi_draw");if(null===u)for(let i=0;i<r;i++)this.renderInstances(e[i],t[i],s[i]);else{0!==this.index?u.multiDrawElementsInstancedWEBGL(n,t,0,this.type,e,0,s,0,r):u.multiDrawArraysInstancedWEBGL(n,e,0,t,0,s,0,r);let i=0;for(let e=0;e<r;e++)i+=t[e]*s[e];a.update(o,i,n,1)}}}class Sv{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.pendingResolve=!1}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class Av extends Sv{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return console.warn("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return it(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e.id,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e.id);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){console.error("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e.id);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){console.error("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=[];for(const[t,r]of this.queryStates)if("ended"===r){const r=this.queries[t];e.push(this.resolveQuery(r))}if(0===e.length)return this.lastValue;const t=(await Promise.all(e)).reduce(((e,t)=>e+t),0);return this.lastValue=t,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,t}catch(e){return console.error("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise((t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){console.error("Error checking query:",e),t(this.lastValue)}};n()}))}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class Rv extends av{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this.trackTimestamp=!0===e.trackTimestamp,this._currentContext=null,this._knownBindings=new WeakSet,this._xrFamebuffer=null}init(e){super.init(e);const t=this.parameters,r=void 0!==t.context?t.context:e.domElement.getContext("webgl2");function s(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=s,e.domElement.addEventListener("webglcontextlost",s,!1),this.gl=r,this.extensions=new Tv(this),this.capabilities=new _v(this),this.attributeUtils=new hv(this),this.textureUtils=new bv(this),this.bufferRenderer=new Nv(this),this.state=new pv(this),this.utils=new gv(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile")}get coordinateSystem(){return l}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}async waitForGPU(){await this.utils._clientWaitAsync()}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFamebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),e.autoAllocateDepthBuffer=!1}}initTimestampQuery(e){if(!this.disjoint||!this.trackTimestamp)return;const t=e.isComputeNode?"compute":"render";this.timestampQueryPool[t]||(this.timestampQueryPool[t]=new Av(this.gl,t,2048));const r=this.timestampQueryPool[t];null!==r.allocateQueriesForContext(e)&&r.beginQuery(e)}prepareTimestampBuffer(e){if(!this.disjoint||!this.trackTimestamp)return;const t=e.isComputeNode?"compute":"render";this.timestampQueryPool[t].endQuery(e)}getContext(){return this.gl}beginRender(e){const{state:t,gl:r}=this,s=this.get(e);if(this.initTimestampQuery(e),s.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1),e.viewport?this.updateViewport(e):t.viewport(0,0,r.drawingBufferWidth,r.drawingBufferHeight),e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}const i=e.occlusionQueryCount;i>0&&(s.currentOcclusionQueries=s.occlusionQueries,s.currentOcclusionQueryObjects=s.occlusionQueryObjects,s.lastOcclusionObject=null,s.occlusionQueries=new Array(i),s.occlusionQueryObjects=new Array(i),s.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext,n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const o=e.textures;if(null!==o)for(let e=0;e<o.length;e++){const t=o[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,null!==e.textures&&e.renderTarget){const s=this.get(e.renderTarget),{samples:i}=e.renderTarget;if(i>0){const i=s.framebuffers[e.getCacheKey()],n=t.COLOR_BUFFER_BIT,o=s.msaaFrameBuffer,a=e.textures;r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,i);for(let r=0;r<a.length;r++)if(e.scissor){const{x:r,y:i,width:o,height:a}=e.scissorValue,u=e.height-a-i;t.blitFramebuffer(r,u,r+o,u+a,r,u,r+o,u+a,n,t.NEAREST),t.invalidateSubFramebuffer(t.READ_FRAMEBUFFER,s.invalidationArray,r,u,o,a)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,n,t.NEAREST),t.invalidateFramebuffer(t.READ_FRAMEBUFFER,s.invalidationArray)}}null!==i&&(this._setFramebuffer(i),i.viewport?this.updateViewport(i):r.viewport(0,0,t.drawingBufferWidth,t.drawingBufferHeight)),this.prepareTimestampBuffer(e)}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let o=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),o++))}o<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}clear(e,t,r,s=null,i=!0){const{gl:n}=this;if(null===s){const e=this.getClearColor();e.r*=e.a,e.g*=e.a,e.b*=e.a,s={textures:null,clearColorValue:e}}let o=0;if(e&&(o|=n.COLOR_BUFFER_BIT),t&&(o|=n.DEPTH_BUFFER_BIT),r&&(o|=n.STENCIL_BUFFER_BIT),0!==o){let a;if(s.clearColorValue?a=s.clearColorValue:(a=this.getClearColor(),a.r*=a.a,a.g*=a.a,a.b*=a.a),t&&this.state.setDepthMask(!0),null===s.textures)n.clearColor(a.r,a.g,a.b,a.a),n.clear(o);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)n.clearBufferfv(n.COLOR,e,[a.r,a.g,a.b,a.a]);t&&r?n.clearBufferfi(n.DEPTH_STENCIL,0,1,0):t?n.clearBufferfv(n.DEPTH,0,[1]):r&&n.clearBufferiv(n.STENCIL,0,[0])}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(e)}compute(e,t,r,s){const{state:i,gl:n}=this;!1===this.discard&&(n.enable(n.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:a,attributes:u}=this.get(s),l=this._getVaoKey(null,u),d=this.vaoCache[l];void 0===d?this._createVao(null,u):n.bindVertexArray(d),i.useProgram(o),this._bindUniforms(r);const c=this._getTransformFeedback(a);n.bindTransformFeedback(n.TRANSFORM_FEEDBACK,c),n.beginTransformFeedback(n.POINTS),u[0].isStorageInstancedBufferAttribute?n.drawArraysInstanced(n.POINTS,0,1,t.count):n.drawArrays(n.POINTS,0,t.count),n.endTransformFeedback(),n.bindTransformFeedback(n.TRANSFORM_FEEDBACK,null);for(let e=0;e<a.length;e++){const t=a[e];t.pbo&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const t=this.gl;this.discard=!1,t.disable(t.RASTERIZER_DISCARD),this.prepareTimestampBuffer(e),this._currentContext&&this._setFramebuffer(this._currentContext)}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:o}=this.get(r),{gl:a,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),u.useProgram(o);const h=this.get(e);let p=h.staticVao;if(void 0===p||h.geometryId!==e.geometry.id){const t=this._getVaoKey(e.getIndex(),e.getAttributes());if(p=this.vaoCache[t],void 0===p){let t;({vaoGPU:p,staticVao:t}=this._createVao(e.getIndex(),e.getAttributes())),t&&(h.staticVao=p,h.geometryId=e.geometry.id)}}a.bindVertexArray(p);const g=e.getIndex(),m=l.lastOcclusionObject;if(m!==t&&void 0!==m){if(null!==m&&!0===m.occlusionTest&&(a.endQuery(a.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=a.createQuery();a.beginQuery(a.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const f=this.bufferRenderer;t.isPoints?f.mode=a.POINTS:t.isLineSegments?f.mode=a.LINES:t.isLine?f.mode=a.LINE_STRIP:t.isLineLoop?f.mode=a.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),f.mode=a.LINES):f.mode=a.TRIANGLES;const{vertexCount:y,instanceCount:x}=d;let{firstVertex:b}=d;if(f.object=t,null!==g){b*=g.array.BYTES_PER_ELEMENT;const e=this.get(g);f.index=g.count,f.type=e.type}else f.index=0;const T=()=>{t.isBatchedMesh?null!==t._multiDrawInstances?f.renderMultiDrawInstances(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount,t._multiDrawInstances):this.hasFeature("WEBGL_multi_draw")?f.renderMultiDraw(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount):it("THREE.WebGLRenderer: WEBGL_multi_draw not supported."):x>1?f.renderInstances(b,y,x):f.render(b,y)};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=a.createBuffer();e[0]=r,a.bindBuffer(a.UNIFORM_BUFFER,s),a.bufferData(a.UNIFORM_BUFFER,e,a.STATIC_DRAW),t.push(s)}r.indexesGPU=t}const n=this.get(i),o=this.renderer.getPixelRatio();for(let i=0,l=s.length;i<l;i++){const l=s[i];if(t.layers.test(l.layers)){const t=l.viewport,s=t.x*o,d=t.y*o,c=t.width*o,h=t.height*o;u.viewport(Math.floor(s),Math.floor(e.context.height-h-d),Math.floor(c),Math.floor(h)),u.bindBufferBase(a.UNIFORM_BUFFER,n.index,r.indexesGPU[i]),T()}}}else T();a.bindVertexArray(null)}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e){this.textureUtils.destroyTexture(e)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}createSampler(){}destroySampler(){}createNodeBuilder(e,t){return new iv(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,o=r.createProgram(),a=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(o,a),r.attachShader(o,u),r.linkProgram(o),this.set(s,{programGPU:o,fragmentShader:a,vertexShader:u}),null!==t&&this.parallel){const i=new Promise((t=>{const i=this.parallel,n=()=>{r.getProgramParameter(o,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()}));t.push(i)}else this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=e.getShaderInfoLog(t).trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=s.getProgramInfoLog(e).trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),o=this._getShaderErrors(s,t,"fragment");console.error("THREE.WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+o)}else""!==i&&console.warn("THREE.WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:o,vertexShader:a}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,o,a),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,o=s.createProgram(),a=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(o,a),s.attachShader(o,u),s.transformFeedbackVaryings(o,d,s.SEPARATE_ATTRIBS),s.linkProgram(o),!1===s.getProgramParameter(o,s.LINK_STATUS)&&this._logProgramError(o,a,u),r.useProgram(o),this._setupBindings(t,o);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:o,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this,r=this.get(e);let s=r.uniformBuffers,i=r.textures;for(const r of e.bindings)if(r.isUniformsGroup||r.isUniformBuffer){const e=r.buffer,i=t.createBuffer();t.bindBuffer(t.UNIFORM_BUFFER,i),t.bufferData(t.UNIFORM_BUFFER,e,t.DYNAMIC_DRAW),this.set(r,{index:s++,bufferGPU:i})}else if(r.isSampledTexture){const{textureGPU:e,glTextureType:t}=this.get(r.texture);this.set(r,{index:i++,textureGPU:e,glTextureType:t})}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer;t.bindBuffer(t.UNIFORM_BUFFER,r),t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW)}}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(vv).filter((t=>vv[t]===e)),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}getMaxAnisotropy(){return this.capabilities.getMaxAnisotropy()}copyTextureToTexture(e,t,r=null,s=null,i=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:o,depthBuffer:a,stencilBuffer:u}=i,l=!0===i.isWebGLCubeRenderTarget,d=!0===i.isRenderTarget3D,c=!0===i.isRenderTargetArray,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i.hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=bm(e);let y;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),y=n.cubeFramebuffers[f]):h&&!1===p?y=this._xrFamebuffer:(n.framebuffers||(n.framebuffers={}),y=n.framebuffers[f]),void 0===y){y=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,y);const s=e.textures;if(l){n.cubeFramebuffers[f]=y;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,0)}else{n.framebuffers[f]=y;for(let r=0;r<s.length;r++){const i=s[r],n=this.get(i);n.renderTarget=e.renderTarget,n.cacheKey=f;const o=t.COLOR_ATTACHMENT0+r;if(d||c){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,o,n.textureGPU,0,e)}else t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,n.textureGPU,0)}r.drawBuffers(e,y)}if(null!==e.depthTexture){const r=this.get(e.depthTexture),s=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;r.renderTarget=e.renderTarget,r.cacheKey=f,t.framebufferTexture2D(t.FRAMEBUFFER,s,t.TEXTURE_2D,r.textureGPU,0)}}else if(h&&p){r.bindFramebuffer(t.FRAMEBUFFER,y);const s=this.get(e.textures[0]);if(t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0),null!==e.depthTexture){const r=this.get(e.depthTexture),s=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTexture2D(t.FRAMEBUFFER,s,t.TEXTURE_2D,r.textureGPU,0)}}if(o>0){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){if(i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r),a){const e=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(e)}const n=e.textures[r],l=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,o,l.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=y}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e,t){let r="";if(null!==e){r+=":"+this.get(e).id}for(let e=0;e<t.length;e++){r+=":"+this.get(t[e]).id}return r}_createVao(e,t){const{gl:r}=this,s=r.createVertexArray();let i="",n=!0;if(r.bindVertexArray(s),null!==e){const t=this.get(e);r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t.bufferGPU),i+=":"+t.id}for(let e=0;e<t.length;e++){const s=t[e],o=this.get(s);let a,u;i+=":"+o.id,r.bindBuffer(r.ARRAY_BUFFER,o.bufferGPU),r.enableVertexAttribArray(e),(s.isStorageBufferAttribute||s.isStorageInstancedBufferAttribute)&&(n=!1),!0===s.isInterleavedBufferAttribute?(a=s.data.stride*o.bytesPerElement,u=s.offset*o.bytesPerElement):(a=0,u=0),o.isInteger?r.vertexAttribIPointer(e,s.itemSize,o.type,a,u):r.vertexAttribPointer(e,s.itemSize,o.type,s.normalized,a,u),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?r.vertexAttribDivisor(e,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&r.vertexAttribDivisor(e,s.data.meshPerAttribute)}return r.bindBuffer(r.ARRAY_BUFFER,null),this.vaoCache[i]=s,{vaoGPU:s,staticVao:n}}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;for(const s of e)for(const e of s.bindings){const s=this.get(e).index;if(e.isUniformsGroup||e.isUniformBuffer){const i=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,i,s)}else if(e.isSampledTexture){const i=r.getUniformLocation(t,e.name);r.uniform1i(i,s)}}}_bindUniforms(e){const{gl:t,state:r}=this;for(const s of e)for(const e of s.bindings){const s=this.get(e),i=s.index;e.isUniformsGroup||e.isUniformBuffer?r.bindBufferBase(t.UNIFORM_BUFFER,i,s.bufferGPU):e.isSampledTexture&&r.bindTexture(s.glTextureType,s.textureGPU,t.TEXTURE0+i)}}dispose(){const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const Cv="point-list",Ev="line-list",wv="line-strip",Mv="triangle-list",Bv="triangle-strip",Fv="never",Uv="less",Pv="equal",Iv="less-equal",Lv="greater",Dv="not-equal",Vv="greater-equal",Ov="always",Gv="store",kv="load",zv="clear",$v="ccw",Wv="none",Hv="front",jv="back",qv="uint16",Xv="uint32",Kv={R8Unorm:"r8unorm",R8Snorm:"r8snorm",R8Uint:"r8uint",R8Sint:"r8sint",R16Uint:"r16uint",R16Sint:"r16sint",R16Float:"r16float",RG8Unorm:"rg8unorm",RG8Snorm:"rg8snorm",RG8Uint:"rg8uint",RG8Sint:"rg8sint",R32Uint:"r32uint",R32Sint:"r32sint",R32Float:"r32float",RG16Uint:"rg16uint",RG16Sint:"rg16sint",RG16Float:"rg16float",RGBA8Unorm:"rgba8unorm",RGBA8UnormSRGB:"rgba8unorm-srgb",RGBA8Snorm:"rgba8snorm",RGBA8Uint:"rgba8uint",RGBA8Sint:"rgba8sint",BGRA8Unorm:"bgra8unorm",BGRA8UnormSRGB:"bgra8unorm-srgb",RGB9E5UFloat:"rgb9e5ufloat",RGB10A2Unorm:"rgb10a2unorm",RG11B10uFloat:"rgb10a2unorm",RG32Uint:"rg32uint",RG32Sint:"rg32sint",RG32Float:"rg32float",RGBA16Uint:"rgba16uint",RGBA16Sint:"rgba16sint",RGBA16Float:"rgba16float",RGBA32Uint:"rgba32uint",RGBA32Sint:"rgba32sint",RGBA32Float:"rgba32float",Stencil8:"stencil8",Depth16Unorm:"depth16unorm",Depth24Plus:"depth24plus",Depth24PlusStencil8:"depth24plus-stencil8",Depth32Float:"depth32float",Depth32FloatStencil8:"depth32float-stencil8",BC1RGBAUnorm:"bc1-rgba-unorm",BC1RGBAUnormSRGB:"bc1-rgba-unorm-srgb",BC2RGBAUnorm:"bc2-rgba-unorm",BC2RGBAUnormSRGB:"bc2-rgba-unorm-srgb",BC3RGBAUnorm:"bc3-rgba-unorm",BC3RGBAUnormSRGB:"bc3-rgba-unorm-srgb",BC4RUnorm:"bc4-r-unorm",BC4RSnorm:"bc4-r-snorm",BC5RGUnorm:"bc5-rg-unorm",BC5RGSnorm:"bc5-rg-snorm",BC6HRGBUFloat:"bc6h-rgb-ufloat",BC6HRGBFloat:"bc6h-rgb-float",BC7RGBAUnorm:"bc7-rgba-unorm",BC7RGBAUnormSRGB:"bc7-rgba-srgb",ETC2RGB8Unorm:"etc2-rgb8unorm",ETC2RGB8UnormSRGB:"etc2-rgb8unorm-srgb",ETC2RGB8A1Unorm:"etc2-rgb8a1unorm",ETC2RGB8A1UnormSRGB:"etc2-rgb8a1unorm-srgb",ETC2RGBA8Unorm:"etc2-rgba8unorm",ETC2RGBA8UnormSRGB:"etc2-rgba8unorm-srgb",EACR11Unorm:"eac-r11unorm",EACR11Snorm:"eac-r11snorm",EACRG11Unorm:"eac-rg11unorm",EACRG11Snorm:"eac-rg11snorm",ASTC4x4Unorm:"astc-4x4-unorm",ASTC4x4UnormSRGB:"astc-4x4-unorm-srgb",ASTC5x4Unorm:"astc-5x4-unorm",ASTC5x4UnormSRGB:"astc-5x4-unorm-srgb",ASTC5x5Unorm:"astc-5x5-unorm",ASTC5x5UnormSRGB:"astc-5x5-unorm-srgb",ASTC6x5Unorm:"astc-6x5-unorm",ASTC6x5UnormSRGB:"astc-6x5-unorm-srgb",ASTC6x6Unorm:"astc-6x6-unorm",ASTC6x6UnormSRGB:"astc-6x6-unorm-srgb",ASTC8x5Unorm:"astc-8x5-unorm",ASTC8x5UnormSRGB:"astc-8x5-unorm-srgb",ASTC8x6Unorm:"astc-8x6-unorm",ASTC8x6UnormSRGB:"astc-8x6-unorm-srgb",ASTC8x8Unorm:"astc-8x8-unorm",ASTC8x8UnormSRGB:"astc-8x8-unorm-srgb",ASTC10x5Unorm:"astc-10x5-unorm",ASTC10x5UnormSRGB:"astc-10x5-unorm-srgb",ASTC10x6Unorm:"astc-10x6-unorm",ASTC10x6UnormSRGB:"astc-10x6-unorm-srgb",ASTC10x8Unorm:"astc-10x8-unorm",ASTC10x8UnormSRGB:"astc-10x8-unorm-srgb",ASTC10x10Unorm:"astc-10x10-unorm",ASTC10x10UnormSRGB:"astc-10x10-unorm-srgb",ASTC12x10Unorm:"astc-12x10-unorm",ASTC12x10UnormSRGB:"astc-12x10-unorm-srgb",ASTC12x12Unorm:"astc-12x12-unorm",ASTC12x12UnormSRGB:"astc-12x12-unorm-srgb"},Yv="clamp-to-edge",Qv="repeat",Zv="mirror-repeat",Jv="linear",eN="nearest",tN="zero",rN="one",sN="src",iN="one-minus-src",nN="src-alpha",oN="one-minus-src-alpha",aN="dst",uN="one-minus-dst",lN="dst-alpha",dN="one-minus-dst-alpha",cN="src-alpha-saturated",hN="constant",pN="one-minus-constant",gN="add",mN="subtract",fN="reverse-subtract",yN="min",xN="max",bN=0,TN=15,_N="keep",vN="zero",NN="replace",SN="invert",AN="increment-clamp",RN="decrement-clamp",CN="increment-wrap",EN="decrement-wrap",wN="storage",MN="read-only-storage",BN="write-only",FN="read-only",UN="read-write",PN="float",IN="unfilterable-float",LN="depth",DN="sint",VN="uint",ON="2d",GN="3d",kN="2d",zN="2d-array",$N="cube",WN="3d",HN="all",jN="vertex",qN="instance",XN={DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups"};class KN extends k_{constructor(e,t){super(e),this.texture=t,this.version=t?t.version:0,this.isSampler=!0}}class YN extends KN{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){this.texture=this.textureNode.value}}class QN extends z_{constructor(e,t){super(e,t?t.array:null),this.attribute=t,this.isStorageBuffer=!0}}let ZN=0;class JN extends QN{constructor(e,t){super("StorageBuffer_"+ZN++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:Us.READ_WRITE,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class eS extends qg{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:Jv}),this.flipYSampler=e.createSampler({minFilter:eN}),this.transferPipelines={},this.flipYPipelines={},this.mipmapVertexShaderModule=e.createShaderModule({label:"mipmapVertex",code:"\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4<f32>,\n\t@location( 0 ) vTex : vec2<f32>\n};\n\n@vertex\nfn main( @builtin( vertex_index ) vertexIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array< vec2<f32>, 4 >(\n\t\tvec2<f32>( -1.0, 1.0 ),\n\t\tvec2<f32>( 1.0, 1.0 ),\n\t\tvec2<f32>( -1.0, -1.0 ),\n\t\tvec2<f32>( 1.0, -1.0 )\n\t);\n\n\tvar tex = array< vec2<f32>, 4 >(\n\t\tvec2<f32>( 0.0, 0.0 ),\n\t\tvec2<f32>( 1.0, 0.0 ),\n\t\tvec2<f32>( 0.0, 1.0 ),\n\t\tvec2<f32>( 1.0, 1.0 )\n\t);\n\n\tVarys.vTex = tex[ vertexIndex ];\n\tVarys.Position = vec4<f32>( pos[ vertexIndex ], 0.0, 1.0 );\n\n\treturn Varys;\n\n}\n"}),this.mipmapFragmentShaderModule=e.createShaderModule({label:"mipmapFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d<f32>;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img, imgSampler, vTex );\n\n}\n"}),this.flipYFragmentShaderModule=e.createShaderModule({label:"flipYFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d<f32>;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img, imgSampler, vec2( vTex.x, 1.0 - vTex.y ) );\n\n}\n"})}getTransferPipeline(e){let t=this.transferPipelines[e];return void 0===t&&(t=this.device.createRenderPipeline({label:`mipmap-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.mipmapFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:Bv,stripIndexFormat:Xv},layout:"auto"}),this.transferPipelines[e]=t),t}getFlipYPipeline(e){let t=this.flipYPipelines[e];return void 0===t&&(t=this.device.createRenderPipeline({label:`flipY-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.flipYFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:Bv,stripIndexFormat:Xv},layout:"auto"}),this.flipYPipelines[e]=t),t}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size,o=this.getTransferPipeline(s),a=this.getFlipYPipeline(s),u=this.device.createTexture({size:{width:i,height:n,depthOrArrayLayers:1},format:s,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),l=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:kN,baseArrayLayer:r}),d=u.createView({baseMipLevel:0,mipLevelCount:1,dimension:kN,baseArrayLayer:0}),c=this.device.createCommandEncoder({}),h=(e,t,r)=>{const s=e.getBindGroupLayout(0),i=this.device.createBindGroup({layout:s,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:t}]}),n=c.beginRenderPass({colorAttachments:[{view:r,loadOp:zv,storeOp:Gv,clearValue:[0,0,0,0]}]});n.setPipeline(e),n.setBindGroup(0,i),n.draw(4,1,0,0),n.end()};h(o,l,d),h(a,d,l),this.device.queue.submit([c.finish()]),u.destroy()}generateMipmaps(e,t,r=0){const s=this.get(e);void 0===s.useCount&&(s.useCount=0,s.layers=[]);const i=s.layers[r]||this._mipmapCreateBundles(e,t,r),n=this.device.createCommandEncoder({});this._mipmapRunBundles(n,i),this.device.queue.submit([n.finish()]),0!==s.useCount&&(s.layers[r]=i),s.useCount++}_mipmapCreateBundles(e,t,r){const s=this.getTransferPipeline(t.format),i=s.getBindGroupLayout(0);let n=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:kN,baseArrayLayer:r});const o=[];for(let a=1;a<t.mipLevelCount;a++){const u=this.device.createBindGroup({layout:i,entries:[{binding:0,resource:this.mipmapSampler},{binding:1,resource:n}]}),l=e.createView({baseMipLevel:a,mipLevelCount:1,dimension:kN,baseArrayLayer:r}),d={colorAttachments:[{view:l,loadOp:zv,storeOp:Gv,clearValue:[0,0,0,0]}]},c=this.device.createRenderBundleEncoder({colorFormats:[t.format]});c.setPipeline(s),c.setBindGroup(0,u),c.draw(4,1,0,0),o.push({renderBundles:[c.finish()],passDescriptor:d}),n=l}return o}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}const tS={[vr]:"never",[we]:"less",[Ar]:"equal",[Sr]:"less-equal",[Cr]:"greater",[Rr]:"greater-equal",[Nr]:"always",[Er]:"not-equal"},rS=[0,1,3,2,4,5];class sS{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this.colorBuffer=null,this.depthTexture=new F,this.depthTexture.name="depthBuffer"}createSampler(e){const t=this.backend,r=t.device,s=t.get(e),i={addressModeU:this._convertAddressMode(e.wrapS),addressModeV:this._convertAddressMode(e.wrapT),addressModeW:this._convertAddressMode(e.wrapR),magFilter:this._convertFilterMode(e.magFilter),minFilter:this._convertFilterMode(e.minFilter),mipmapFilter:this._convertFilterMode(e.minFilter),maxAnisotropy:1};i.magFilter===Jv&&i.minFilter===Jv&&i.mipmapFilter===Jv&&(i.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&(i.compare=tS[e.compareFunction]),s.sampler=r.createSampler(i)}createDefaultTexture(e){let t;const r=iS(e);e.isCubeTexture?t=this._getDefaultCubeTextureGPU(r):e.isVideoTexture?this.backend.get(e).externalTexture=this._getDefaultVideoFrame():t=this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized)throw new Error("WebGPUTextureUtils: Texture already initialized.");void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:o,levels:a}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||iS(e,r.device);s.format=l;const{samples:d,primarySamples:c,isMSAA:h}=r.utils.getTextureSampleData(e);let p=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(p|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&(p|=GPUTextureUsage.RENDER_ATTACHMENT);const g={label:e.name,size:{width:i,height:n,depthOrArrayLayers:o},mipLevelCount:a,sampleCount:c,dimension:u,format:l,usage:p};if(e.isVideoTexture){const t=e.source.data,r=new VideoFrame(t);g.size.width=r.displayWidth,g.size.height=r.displayHeight,r.close(),s.externalTexture=t}else{if(void 0===l)return console.warn("WebGPURenderer: Texture format not supported."),this.createDefaultTexture(e);s.texture=r.device.createTexture(g)}if(h){const e=Object.assign({},g);e.label=e.label+"-msaa",e.sampleCount=d,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=g}destroyTexture(e){const t=this.backend,r=t.get(e);void 0!==r.texture&&r.texture.destroy(),void 0!==r.msaaTexture&&r.msaaTexture.destroy(),t.delete(e)}destroySampler(e){delete this.backend.get(e).sampler}generateMipmaps(e){const t=this.backend.get(e);if(e.isCubeTexture)for(let e=0;e<6;e++)this._generateMipmaps(t.texture,t.textureDescriptorGPU,e);else{const r=e.image.depth||1;for(let e=0;e<r;e++)this._generateMipmaps(t.texture,t.textureDescriptorGPU,e)}}getColorBuffer(){this.colorBuffer&&this.colorBuffer.destroy();const e=this.backend,{width:t,height:r}=e.getDrawingBufferSize();return this.colorBuffer=e.device.createTexture({label:"colorBuffer",size:{width:t,height:r,depthOrArrayLayers:1},sampleCount:e.utils.getSampleCount(e.renderer.samples),format:e.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),this.colorBuffer}getDepthBuffer(e=!0,t=!1){const r=this.backend,{width:s,height:i}=r.getDrawingBufferSize(),n=this.depthTexture,o=r.get(n).texture;let a,u;if(t?(a=pe,u=me):e&&(a=ge,u=b),void 0!==o){if(n.image.width===s&&n.image.height===i&&n.format===a&&n.type===u)return o;this.destroyTexture(n)}return n.name="depthBuffer",n.format=a,n.type=u,n.image.width=s,n.image.height=i,this.createTexture(n,{width:s,height:i}),r.get(n).texture}updateTexture(e,t){const r=this.backend.get(e),{textureDescriptorGPU:s}=r;if(!e.isRenderTargetTexture&&void 0!==s){if(e.isDataTexture)this._copyBufferToTexture(t.image,r.texture,s,0,e.flipY);else if(e.isDataArrayTexture||e.isData3DTexture)for(let i=0;i<t.image.depth;i++)this._copyBufferToTexture(t.image,r.texture,s,i,e.flipY,i);else if(e.isCompressedTexture||e.isCompressedArrayTexture)this._copyCompressedBufferToTexture(e.mipmaps,r.texture,s);else if(e.isCubeTexture)this._copyCubeMapToTexture(t.images,r.texture,s,e.flipY);else if(e.isVideoTexture){const t=e.source.data;r.externalTexture=t}else this._copyImageToTexture(t.image,r.texture,s,0,e.flipY);r.version=e.version,e.onUpdate&&e.onUpdate(e)}}async copyTextureToBuffer(e,t,r,s,i,n){const o=this.backend.device,a=this.backend.get(e),u=a.texture,l=a.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256);const h=o.createBuffer({size:s*i*d,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),p=o.createCommandEncoder();p.copyTextureToBuffer({texture:u,origin:{x:t,y:r,z:n}},{buffer:h,bytesPerRow:c},{width:s,height:i});const g=this._getTypedArrayType(l);o.queue.submit([p.finish()]),await h.mapAsync(GPUMapMode.READ);return new g(h.getMappedRange())}_isEnvironmentTexture(e){const t=e.mapping;return t===j||t===q||t===v||t===N}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new ee;r.minFilter=Tr,r.magFilter=Tr,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new H;r.minFilter=Tr,r.magFilter=Tr,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultVideoFrame(){let e=this.defaultVideoFrame;if(null===e){const t={timestamp:0,codedWidth:1,codedHeight:1,format:"RGBA"};this.defaultVideoFrame=e=new VideoFrame(new Uint8Array([0,0,0,255]),t)}return e}_copyCubeMapToTexture(e,t,r,s){for(let i=0;i<6;i++){const n=e[i],o=!0===s?rS[i]:i;n.isDataTexture?this._copyBufferToTexture(n.image,t,r,o,s):this._copyImageToTexture(n,t,r,o,s)}}_copyImageToTexture(e,t,r,s,i){this.backend.device.queue.copyExternalImageToTexture({source:e,flipY:i},{texture:t,mipLevel:0,origin:{x:0,y:0,z:s}},{width:e.width,height:e.height,depthOrArrayLayers:1})}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new eS(this.backend.device)),e}_generateMipmaps(e,t,r=0){this._getPassUtils().generateMipmaps(e,t,r)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0){const o=this.backend.device,a=e.data,u=this._getBytesPerTexel(r.format),l=e.width*u;o.queue.writeTexture({texture:t,mipLevel:0,origin:{x:0,y:0,z:s}},a,{offset:e.width*e.height*u*n,bytesPerRow:l},{width:e.width,height:e.height,depthOrArrayLayers:1}),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r){const s=this.backend.device,i=this._getBlockData(r.format),n=r.size.depthOrArrayLayers>1;for(let o=0;o<e.length;o++){const a=e[o],u=a.width,l=a.height,d=n?r.size.depthOrArrayLayers:1,c=Math.ceil(u/i.width)*i.byteLength,h=c*Math.ceil(l/i.height);for(let e=0;e<d;e++)s.queue.writeTexture({texture:t,mipLevel:o,origin:{x:0,y:0,z:e}},a.data,{offset:e*h,bytesPerRow:c,rowsPerImage:Math.ceil(l/i.height)},{width:Math.ceil(u/i.width)*i.width,height:Math.ceil(l/i.height)*i.height,depthOrArrayLayers:1})}}_getBlockData(e){return e===Kv.BC1RGBAUnorm||e===Kv.BC1RGBAUnormSRGB?{byteLength:8,width:4,height:4}:e===Kv.BC2RGBAUnorm||e===Kv.BC2RGBAUnormSRGB||e===Kv.BC3RGBAUnorm||e===Kv.BC3RGBAUnormSRGB?{byteLength:16,width:4,height:4}:e===Kv.BC4RUnorm||e===Kv.BC4RSNorm?{byteLength:8,width:4,height:4}:e===Kv.BC5RGUnorm||e===Kv.BC5RGSnorm||e===Kv.BC6HRGBUFloat||e===Kv.BC6HRGBFloat||e===Kv.BC7RGBAUnorm||e===Kv.BC7RGBAUnormSRGB?{byteLength:16,width:4,height:4}:e===Kv.ETC2RGB8Unorm||e===Kv.ETC2RGB8UnormSRGB||e===Kv.ETC2RGB8A1Unorm||e===Kv.ETC2RGB8A1UnormSRGB?{byteLength:8,width:4,height:4}:e===Kv.ETC2RGBA8Unorm||e===Kv.ETC2RGBA8UnormSRGB?{byteLength:16,width:4,height:4}:e===Kv.EACR11Unorm||e===Kv.EACR11Snorm?{byteLength:8,width:4,height:4}:e===Kv.EACRG11Unorm||e===Kv.EACRG11Snorm||e===Kv.ASTC4x4Unorm||e===Kv.ASTC4x4UnormSRGB?{byteLength:16,width:4,height:4}:e===Kv.ASTC5x4Unorm||e===Kv.ASTC5x4UnormSRGB?{byteLength:16,width:5,height:4}:e===Kv.ASTC5x5Unorm||e===Kv.ASTC5x5UnormSRGB?{byteLength:16,width:5,height:5}:e===Kv.ASTC6x5Unorm||e===Kv.ASTC6x5UnormSRGB?{byteLength:16,width:6,height:5}:e===Kv.ASTC6x6Unorm||e===Kv.ASTC6x6UnormSRGB?{byteLength:16,width:6,height:6}:e===Kv.ASTC8x5Unorm||e===Kv.ASTC8x5UnormSRGB?{byteLength:16,width:8,height:5}:e===Kv.ASTC8x6Unorm||e===Kv.ASTC8x6UnormSRGB?{byteLength:16,width:8,height:6}:e===Kv.ASTC8x8Unorm||e===Kv.ASTC8x8UnormSRGB?{byteLength:16,width:8,height:8}:e===Kv.ASTC10x5Unorm||e===Kv.ASTC10x5UnormSRGB?{byteLength:16,width:10,height:5}:e===Kv.ASTC10x6Unorm||e===Kv.ASTC10x6UnormSRGB?{byteLength:16,width:10,height:6}:e===Kv.ASTC10x8Unorm||e===Kv.ASTC10x8UnormSRGB?{byteLength:16,width:10,height:8}:e===Kv.ASTC10x10Unorm||e===Kv.ASTC10x10UnormSRGB?{byteLength:16,width:10,height:10}:e===Kv.ASTC12x10Unorm||e===Kv.ASTC12x10UnormSRGB?{byteLength:16,width:12,height:10}:e===Kv.ASTC12x12Unorm||e===Kv.ASTC12x12UnormSRGB?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=Yv;return e===yr?t=Qv:e===br&&(t=Zv),t}_convertFilterMode(e){let t=Jv;return e!==Tr&&e!==_r&&e!==Ve||(t=eN),t}_getBytesPerTexel(e){return e===Kv.R8Unorm||e===Kv.R8Snorm||e===Kv.R8Uint||e===Kv.R8Sint?1:e===Kv.R16Uint||e===Kv.R16Sint||e===Kv.R16Float||e===Kv.RG8Unorm||e===Kv.RG8Snorm||e===Kv.RG8Uint||e===Kv.RG8Sint?2:e===Kv.R32Uint||e===Kv.R32Sint||e===Kv.R32Float||e===Kv.RG16Uint||e===Kv.RG16Sint||e===Kv.RG16Float||e===Kv.RGBA8Unorm||e===Kv.RGBA8UnormSRGB||e===Kv.RGBA8Snorm||e===Kv.RGBA8Uint||e===Kv.RGBA8Sint||e===Kv.BGRA8Unorm||e===Kv.BGRA8UnormSRGB||e===Kv.RGB9E5UFloat||e===Kv.RGB10A2Unorm||e===Kv.RG11B10UFloat||e===Kv.Depth32Float||e===Kv.Depth24Plus||e===Kv.Depth24PlusStencil8||e===Kv.Depth32FloatStencil8?4:e===Kv.RG32Uint||e===Kv.RG32Sint||e===Kv.RG32Float||e===Kv.RGBA16Uint||e===Kv.RGBA16Sint||e===Kv.RGBA16Float?8:e===Kv.RGBA32Uint||e===Kv.RGBA32Sint||e===Kv.RGBA32Float?16:void 0}_getTypedArrayType(e){return e===Kv.R8Uint?Uint8Array:e===Kv.R8Sint?Int8Array:e===Kv.R8Unorm?Uint8Array:e===Kv.R8Snorm?Int8Array:e===Kv.RG8Uint?Uint8Array:e===Kv.RG8Sint?Int8Array:e===Kv.RG8Unorm?Uint8Array:e===Kv.RG8Snorm?Int8Array:e===Kv.RGBA8Uint?Uint8Array:e===Kv.RGBA8Sint?Int8Array:e===Kv.RGBA8Unorm?Uint8Array:e===Kv.RGBA8Snorm?Int8Array:e===Kv.R16Uint?Uint16Array:e===Kv.R16Sint?Int16Array:e===Kv.RG16Uint?Uint16Array:e===Kv.RG16Sint?Int16Array:e===Kv.RGBA16Uint?Uint16Array:e===Kv.RGBA16Sint?Int16Array:e===Kv.R16Float||e===Kv.RG16Float||e===Kv.RGBA16Float?Uint16Array:e===Kv.R32Uint?Uint32Array:e===Kv.R32Sint?Int32Array:e===Kv.R32Float?Float32Array:e===Kv.RG32Uint?Uint32Array:e===Kv.RG32Sint?Int32Array:e===Kv.RG32Float?Float32Array:e===Kv.RGBA32Uint?Uint32Array:e===Kv.RGBA32Sint?Int32Array:e===Kv.RGBA32Float?Float32Array:e===Kv.BGRA8Unorm||e===Kv.BGRA8UnormSRGB?Uint8Array:e===Kv.RGB10A2Unorm||e===Kv.RGB9E5UFloat||e===Kv.RG11B10UFloat?Uint32Array:e===Kv.Depth32Float?Float32Array:e===Kv.Depth24Plus||e===Kv.Depth24PlusStencil8?Uint32Array:e===Kv.Depth32FloatStencil8?Float32Array:void 0}_getDimension(e){let t;return t=e.isData3DTexture?GN:ON,t}}function iS(e,t=null){const r=e.format,s=e.type,i=e.colorSpace;let n;if(!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case zt:n=i===We?Kv.BC1RGBAUnormSRGB:Kv.BC1RGBAUnorm;break;case $t:n=i===We?Kv.BC2RGBAUnormSRGB:Kv.BC2RGBAUnorm;break;case Wt:n=i===We?Kv.BC3RGBAUnormSRGB:Kv.BC3RGBAUnorm;break;case Yt:n=i===We?Kv.ETC2RGB8UnormSRGB:Kv.ETC2RGB8Unorm;break;case Qt:n=i===We?Kv.ETC2RGBA8UnormSRGB:Kv.ETC2RGBA8Unorm;break;case Zt:n=i===We?Kv.ASTC4x4UnormSRGB:Kv.ASTC4x4Unorm;break;case Jt:n=i===We?Kv.ASTC5x4UnormSRGB:Kv.ASTC5x4Unorm;break;case er:n=i===We?Kv.ASTC5x5UnormSRGB:Kv.ASTC5x5Unorm;break;case tr:n=i===We?Kv.ASTC6x5UnormSRGB:Kv.ASTC6x5Unorm;break;case rr:n=i===We?Kv.ASTC6x6UnormSRGB:Kv.ASTC6x6Unorm;break;case sr:n=i===We?Kv.ASTC8x5UnormSRGB:Kv.ASTC8x5Unorm;break;case ir:n=i===We?Kv.ASTC8x6UnormSRGB:Kv.ASTC8x6Unorm;break;case nr:n=i===We?Kv.ASTC8x8UnormSRGB:Kv.ASTC8x8Unorm;break;case or:n=i===We?Kv.ASTC10x5UnormSRGB:Kv.ASTC10x5Unorm;break;case ar:n=i===We?Kv.ASTC10x6UnormSRGB:Kv.ASTC10x6Unorm;break;case ur:n=i===We?Kv.ASTC10x8UnormSRGB:Kv.ASTC10x8Unorm;break;case lr:n=i===We?Kv.ASTC10x10UnormSRGB:Kv.ASTC10x10Unorm;break;case dr:n=i===We?Kv.ASTC12x10UnormSRGB:Kv.ASTC12x10Unorm;break;case cr:n=i===We?Kv.ASTC12x12UnormSRGB:Kv.ASTC12x12Unorm;break;case Le:n=i===We?Kv.RGBA8UnormSRGB:Kv.RGBA8Unorm;break;default:console.error("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case Le:switch(s){case rt:n=Kv.RGBA8Snorm;break;case st:n=Kv.RGBA16Sint;break;case tt:n=Kv.RGBA16Uint;break;case b:n=Kv.RGBA32Uint;break;case T:n=Kv.RGBA32Sint;break;case fe:n=i===We?Kv.RGBA8UnormSRGB:Kv.RGBA8Unorm;break;case Te:n=Kv.RGBA16Float;break;case w:n=Kv.RGBA32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case Je:if(s===Dt)n=Kv.RGB9E5UFloat;else console.error("WebGPURenderer: Unsupported texture type with RGBFormat.",s);break;case Ye:switch(s){case rt:n=Kv.R8Snorm;break;case st:n=Kv.R16Sint;break;case tt:n=Kv.R16Uint;break;case b:n=Kv.R32Uint;break;case T:n=Kv.R32Sint;break;case fe:n=Kv.R8Unorm;break;case Te:n=Kv.R16Float;break;case w:n=Kv.R32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case Be:switch(s){case rt:n=Kv.RG8Snorm;break;case st:n=Kv.RG16Sint;break;case tt:n=Kv.RG16Uint;break;case b:n=Kv.RG32Uint;break;case T:n=Kv.RG32Sint;break;case fe:n=Kv.RG8Unorm;break;case Te:n=Kv.RG16Float;break;case w:n=Kv.RG32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case ge:switch(s){case tt:n=Kv.Depth16Unorm;break;case b:n=Kv.Depth24Plus;break;case w:n=Kv.Depth32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case pe:switch(s){case me:n=Kv.Depth24PlusStencil8;break;case w:t&&!1===t.features.has(XN.Depth32FloatStencil8)&&console.error('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),n=Kv.Depth32FloatStencil8;break;default:console.error("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case Ke:switch(s){case T:n=Kv.R32Sint;break;case b:n=Kv.R32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case Qe:switch(s){case T:n=Kv.RG32Sint;break;case b:n=Kv.RG32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case et:switch(s){case T:n=Kv.RGBA32Sint;break;case b:n=Kv.RGBA32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:console.error("WebGPURenderer: Unsupported texture format.",r)}return n}const nS=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,oS=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,aS={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class uS extends o_{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:o}=(e=>{const t=(e=e.trim()).match(nS);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=oS.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=aS[i]),n.push(new XT(i,t))}const o=e.substring(t[0].length),a=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:aS[a]||a,inputs:n,name:u,inputsCode:r,blockCode:o,outputType:a}}throw new Error("FunctionNode: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=o}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class lS extends n_{parseFunction(e){return new uS(e)}}const dS="undefined"!=typeof self?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},cS={[Us.READ_ONLY]:"read",[Us.WRITE_ONLY]:"write",[Us.READ_WRITE]:"read_write"},hS={[yr]:"repeat",[xr]:"clamp",[br]:"mirror"},pS={vertex:dS?dS.VERTEX:1,fragment:dS?dS.FRAGMENT:2,compute:dS?dS.COMPUTE:4},gS={instance:!0,swizzleAssign:!1,storageBuffer:!0},mS={"^^":"tsl_xor"},fS={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},yS={},xS={tsl_xor:new Sy("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new Sy("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new Sy("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new Sy("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new Sy("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new Sy("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new Sy("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new Sy("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new Sy("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new Sy("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new Sy("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new Sy("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new Sy("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},bS={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>"};"undefined"!=typeof navigator&&/Windows/g.test(navigator.userAgent)&&(xS.pow_float=new Sy("fn tsl_pow_float( a : f32, b : f32 ) -> f32 { return select( -pow( -a, b ), pow( a, b ), a > 0.0 ); }"),xS.pow_vec2=new Sy("fn tsl_pow_vec2( a : vec2f, b : vec2f ) -> vec2f { return vec2f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ) ); }",[xS.pow_float]),xS.pow_vec3=new Sy("fn tsl_pow_vec3( a : vec3f, b : vec3f ) -> vec3f { return vec3f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ), tsl_pow_float( a.z, b.z ) ); }",[xS.pow_float]),xS.pow_vec4=new Sy("fn tsl_pow_vec4( a : vec4f, b : vec4f ) -> vec4f { return vec4f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ), tsl_pow_float( a.z, b.z ), tsl_pow_float( a.w, b.w ) ); }",[xS.pow_float]),bS.pow_float="tsl_pow_float",bS.pow_vec2="tsl_pow_vec2",bS.pow_vec3="tsl_pow_vec3",bS.pow_vec4="tsl_pow_vec4");let TS="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(TS+="diagnostic( off, derivative_uniformity );\n");class _S extends jT{constructor(e,t){super(e,t,new lS),this.uniformGroups={},this.builtins={},this.directives={},this.scopedArrays=new Map}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==x}_generateTextureSample(e,t,r,s,i=this.shaderStage){return"fragment"===i?s?`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r):this.generateTextureLod(e,t,r,s,"0")}_generateVideoSample(e,t,r=this.shaderStage){if("fragment"===r)return`textureSampleBaseClampToEdge( ${e}, ${e}_sampler, vec2<f32>( ${t}.x, 1.0 - ${t}.y ) )`;console.error(`WebGPURenderer: THREE.VideoTexture does not support ${r} shader.`)}_generateTextureSampleLevel(e,t,r,s,i,n=this.shaderStage){return"fragment"!==n&&"compute"!==n||!1!==this.isUnfilterable(e)?this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,s):this.generateTextureLod(e,t,r,i,s):`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`}generateWrapFunction(e){const t=`tsl_coord_${hS[e.wrapS]}S_${hS[e.wrapT]}_${e.isData3DTexture?"3d":"2d"}T`;let r=yS[t];if(void 0===r){const s=[],i=e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const o=(e,t)=>{e===yr?(s.push(xS.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===xr?(s.push(xS.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===br?(s.push(xS.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,console.warn(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};o(e.wrapS,"x"),n+=",\n",o(e.wrapT,"y"),e.isData3DTexture&&(n+=",\n",o(e.wrapR,"z")),n+="\n\t);\n\n}\n",yS[t]=r=new Sy(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.globalCache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,o;const{primarySamples:a}=this.renderer.backend.utils.getTextureSampleData(e),u=a>1;o=e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isVideoTexture||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new Oa(new Nu(`textureDimensions( ${n} )`,o)),s.dimensionsSnippet[r]=i,(e.isDataArrayTexture||e.isData3DTexture)&&(s.arrayLayerCount=new Oa(new Nu(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new Oa(new Nu("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s="0u"){this._include("biquadraticTexture");return`tsl_biquadraticTexture( ${t}, ${this.generateWrapFunction(e)}( ${r} ), ${this.generateTextureDimension(e,t,s)}, u32( ${s} ) )`}generateTextureLod(e,t,r,s,i="0u"){const n=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,i),a=e.isData3DTexture?"vec3":"vec2",u=`${a}<u32>(${n}(${r}) * ${a}<f32>(${o}))`;return this.generateTextureLoad(e,t,u,s,i)}generateTextureLoad(e,t,r,s,i="0u"){return!0===e.isVideoTexture||!0===e.isStorageTexture?`textureLoad( ${t}, ${r} )`:s?`textureLoad( ${t}, ${r}, ${s}, u32( ${i} ) )`:`textureLoad( ${t}, ${r}, u32( ${i} ) )`}generateTextureStore(e,t,r,s){return`textureStore( ${t}, ${r}, ${s} )`}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&!0===e.isDataTexture&&e.type===w||!1===this.isSampleCompare(e)&&e.minFilter===Tr&&e.magFilter===Tr||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i=this.shaderStage){let n=null;return n=!0===e.isVideoTexture?this._generateVideoSample(t,r,i):this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,"0",i):this._generateTextureSample(e,t,r,s,i),n}generateTextureGrad(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]} )`;console.error(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${n} shader.`)}generateTextureCompare(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}generateTextureLevel(e,t,r,s,i,n=this.shaderStage){let o=null;return o=!0===e.isVideoTexture?this._generateVideoSample(t,r,n):this._generateTextureSampleLevel(e,t,r,s,i,n),o}generateTextureBias(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;console.error(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${n} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?`NodeBuffer_${e.id}.${t}`:e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}_getUniformGroupCount(e){return Object.keys(this.uniforms[e]).length}getFunctionOperator(e){const t=mS[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?Us.READ_ONLY:e.access}getStorageAccess(e,t){return cS[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let s;const o=e.groupNode,a=o.name,u=this.getBindGroupArray(a,r);if("texture"===t||"cubeTexture"===t||"storageTexture"===t||"texture3D"===t){let n=null;const a=this.getNodeAccess(e,r);if("texture"===t||"storageTexture"===t?n=new Q_(i.name,i.node,o,a):"cubeTexture"===t?n=new Z_(i.name,i.node,o,a):"texture3D"===t&&(n=new J_(i.name,i.node,o,a)),n.store=!0===e.isStorageTextureNode,n.setVisibility(pS[r]),"fragment"!==r&&"compute"!==r||!1!==this.isUnfilterable(e.value)||!1!==n.store)u.push(n),s=[n];else{const e=new YN(`${i.name}_sampler`,i.node,o);e.setVisibility(pS[r]),u.push(e,n),s=[e,n]}}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const i=new("buffer"===t?H_:JN)(e,o);i.setVisibility(pS[r]),u.push(i),s=i}else{const e=this.uniformGroups[r]||(this.uniformGroups[r]={});let n=e[a];void 0===n&&(n=new X_(a,o),n.setVisibility(pS[r]),e[a]=n,u.push(n)),s=this.getNodeUniform(i,t),n.addUniform(s)}n.uniformGPU=s}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[],r=e.getMemberTypes();for(let e=0;e<r.length;e++){const s=r[e];t.push(`\t@location( ${e} ) m${e} : ${s}<f32>`)}const s=this.getBuiltins("output");return s&&t.push("\t"+s),t.join(",\n")}getStructs(e){const t=[],r=this.structs[e];for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name;let n=`struct ${i} {\n`;n+=this.getStructMembers(s),n+="\n}",t.push(n),t.push(`\nvar<private> output : ${i};\n\n`)}return t.join("\n\n")}getVar(e,t,r=null){let s=`var ${t} : `;return s+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),s}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`\t${this.getVar(e.type,e.name,e.count)};`);return`\n${t.join("\n")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","Vertex","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];for(let i=0;i<r.length;i++){const n=r[i];if(n.needsInterpolation){let e=`@location( ${i} )`;/^(int|uint|ivec|uvec)/.test(n.type)&&(e+=" @interpolate( flat )"),t.push(`${e} ${n.name} : ${this.getType(n.type)}`)}else"vertex"===e&&!1===s.includes(n)&&s.push(n)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}getUniforms(e){const t=this.uniforms[e],r=[],s=[],i=[],n={};for(const i of t){const t=i.groupNode.name,o=this.bindingsIndexes[t];if("texture"===i.type||"cubeTexture"===i.type||"storageTexture"===i.type||"texture3D"===i.type){const t=i.node.value;let s;"fragment"!==e&&"compute"!==e||!1!==this.isUnfilterable(t)||!0===i.node.isStorageTextureNode||(this.isSampleCompare(t)?r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name}_sampler : sampler_comparison;`):r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name}_sampler : sampler;`));let n="";const{primarySamples:a}=this.renderer.backend.utils.getTextureSampleData(t);if(a>1&&(n="_multisampled"),!0===t.isCubeTexture)s="texture_cube<f32>";else if(!0===t.isDataArrayTexture||!0===t.isCompressedArrayTexture)s="texture_2d_array<f32>";else if(!0===t.isDepthTexture)s=`texture_depth${n}_2d`;else if(!0===t.isVideoTexture)s="texture_external";else if(!0===t.isData3DTexture)s="texture_3d<f32>";else if(!0===i.node.isStorageTextureNode){s=`texture_storage_2d<${iS(t)}, ${this.getStorageAccess(i.node,e)}>`}else{s=`texture${n}_2d<${this.getComponentTypeFromTexture(t).charAt(0)}32>`}r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name} : ${s};`)}else if("buffer"===i.type||"storageBuffer"===i.type||"indirectStorageBuffer"===i.type){const t=i.node,r=this.getType(t.bufferType),n=t.bufferCount,a=n>0&&"buffer"===i.type?", "+n:"",u=t.isAtomic?`atomic<${r}>`:`${r}`,l=`\t${i.name} : array< ${u}${a} >\n`,d=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";s.push(this._getWGSLStructBinding("NodeBuffer_"+t.id,l,d,o.binding++,o.group))}else{const e=this.getType(this.getVectorType(i.type)),t=i.groupNode.name;(n[t]||(n[t]={index:o.binding++,id:o.group,snippets:[]})).snippets.push(`\t${i.name} : ${e}`)}}for(const e in n){const t=n[e];i.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}let o=r.join("\n");return o+=s.join("\n"),o+=i.join("\n"),o}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){const r=e[t];r.uniforms=this.getUniforms(t),r.attributes=this.getAttributes(t),r.varyings=this.getVaryings(t),r.structs=this.getStructs(t),r.vars=this.getVars(t),r.codes=this.getCodes(t),r.directives=this.getDirectives(t),r.scopedArrays=this.getScopedArrays(t);let s="// code\n\n";s+=this.flowCode[t];const i=this.flowNodes[t],n=i[i.length-1],o=n.outputNode,a=void 0!==o&&!0===o.isOutputStructNode;for(const e of i){const i=this.getFlowData(e),u=e.name;if(u&&(s.length>0&&(s+="\n"),s+=`\t// flow -> ${u}\n`),s+=`${i.code}\n\t`,e===n&&"compute"!==t)if(s+="// result\n\n\t","vertex"===t)s+=`varyings.Vertex = ${i.result};`;else if("fragment"===t)if(a)r.returnType=o.nodeType,s+=`return ${i.result};`;else{let e="\t@location(0) color: vec4<f32>";const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),r.returnType="OutputStruct",r.structs+=this._getWGSLStruct("OutputStruct",e),r.structs+="\nvar<private> output : OutputStruct;\n\n",s+=`output.color = ${i.result};\n\n\treturn output;`}}r.flow=s}null!==this.material?(this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment)):this.computeShader=this._getWGSLComputeCode(e.compute,(this.object.workgroupSize||[64]).join(", "))}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getType(e){return fS[e]||e}isAvailable(e){let t=gS[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),gS[e]=t),t}_getWGSLMethod(e){return void 0!==xS[e]&&this._include(e),bS[e]}_include(e){const t=xS[e];return t.build(this),null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${TS}\n\n// uniforms\n${e.uniforms}\n\n// structs\n${e.structs}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${t} )\nfn main( ${e.attributes} ) {\n\n\t// system\n\tinstanceIndex = globalId.x + globalId.y * numWorkgroups.x * u32(${t}) + globalId.z * numWorkgroups.x * numWorkgroups.y * u32(${t});\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}class vS{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return null!==e.depthTexture?t=this.getTextureFormatGPU(e.depthTexture):e.depth&&e.stencil?t=Kv.Depth24PlusStencil8:e.depth&&(t=Kv.Depth24Plus),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.samples}else e.renderTarget&&(t=e.renderTarget.samples);t=t||1;const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?Cv:e.isLineSegments||e.isMesh&&!0===t.wireframe?Ev:e.isLine?wv:e.isMesh?Mv:void 0}getSampleCount(e){let t=1;return e>1&&(t=Math.pow(2,Math.floor(Math.log2(e))),2===t&&(t=4)),t}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.samples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===fe)return Kv.BGRA8Unorm;if(e===Te)return Kv.RGBA16Float;throw new Error("Unsupported outputType")}}const NS=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]),SS=new Map([[Oe,["float16"]]]),AS=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class RS{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const o=s.device;let a=r.array;if(!1===e.normalized)if(a.constructor===Int16Array)a=new Int32Array(a);else if(a.constructor===Uint16Array&&(a=new Uint32Array(a),t&GPUBufferUsage.INDEX))for(let e=0;e<a.length;e++)65535===a[e]&&(a[e]=4294967295);if(r.array=a,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){a=new a.constructor(4*r.count);for(let e=0;e<r.count;e++)a.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=a}const u=a.byteLength+(4-a.byteLength%4)%4;n=o.createBuffer({label:r.name,size:u,usage:t,mappedAtCreation:!0}),new a.constructor(n.getMappedRange()).set(a),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t).buffer,n=t.array,o=this._isTypedArray(n),a=t.updateRanges;if(0===a.length)s.queue.writeBuffer(i,0,n,0);else{const e=o?1:n.BYTES_PER_ELEMENT;for(let t=0,r=a.length;t<r;t++){const r=a[t],o=r.start*e,u=r.count*e;s.queue.writeBuffer(i,0,n,o,u)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let o=r.get(n);if(void 0===o){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?qN:jN):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?qN:jN),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),o={arrayStride:e,attributes:[],stepMode:t},r.set(n,o)}const a=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;o.attributes.push({shaderLocation:e,offset:u,format:a})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,r=t.device,s=t.get(this._getBufferAttribute(e)).buffer,i=s.size,n=r.createBuffer({label:`${e.name}_readback`,size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),o=r.createCommandEncoder({label:`readback_encoder_${e.name}`});o.copyBufferToBuffer(s,0,n,0,i);const a=o.finish();r.queue.submit([a]),await n.mapAsync(GPUMapMode.READ);const u=n.getMappedRange(),l=new e.array.constructor(u.slice(0));return n.unmap(),l.buffer}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=AS.get(s);else{const e=(SS.get(i)||NS.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||console.error("THREE.WebGPUAttributeUtils: Vertex format not supported yet."),n}_isTypedArray(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}class CS{constructor(e){this.backend=e,this.bindGroupLayoutCache=new WeakMap}createBindingsLayout(e){const t=this.backend,r=t.device,s=[];let i=0;for(const r of e.bindings){const e={binding:i++,visibility:r.visibility};if(r.isUniformBuffer||r.isStorageBuffer){const t={};r.isStorageBuffer&&(4&r.visibility&&(r.access===Us.READ_WRITE||r.access===Us.WRITE_ONLY)?t.type=wN:t.type=MN),e.buffer=t}else if(r.isSampler){const t={};r.texture.isDepthTexture&&null!==r.texture.compareFunction&&(t.type="comparison"),e.sampler=t}else if(r.isSampledTexture&&r.texture.isVideoTexture)e.externalTexture={};else if(r.isSampledTexture&&r.store){const t={};t.format=this.backend.get(r.texture).texture.format;const s=r.access;t.access=s===Us.READ_WRITE?UN:s===Us.WRITE_ONLY?BN:FN,e.storageTexture=t}else if(r.isSampledTexture){const s={},{primarySamples:i}=t.utils.getTextureSampleData(r.texture);if(i>1&&(s.multisampled=!0,r.texture.isDepthTexture||(s.sampleType=IN)),r.texture.isDepthTexture)s.sampleType=LN;else if(r.texture.isDataTexture||r.texture.isDataArrayTexture||r.texture.isData3DTexture){const e=r.texture.type;e===T?s.sampleType=DN:e===b?s.sampleType=VN:e===w&&(this.backend.hasFeature("float32-filterable")?s.sampleType=PN:s.sampleType=IN)}r.isSampledCubeTexture?s.viewDimension=$N:r.texture.isDataArrayTexture||r.texture.isCompressedArrayTexture?s.viewDimension=zN:r.isSampledTexture3D&&(s.viewDimension=WN),e.texture=s}else console.error(`WebGPUBindingUtils: Unsupported binding "${r}".`);s.push(e)}return r.createBindGroupLayout({entries:s})}createBindings(e,t,r,s=0){const{backend:i,bindGroupLayoutCache:n}=this,o=i.get(e);let a,u=n.get(e.bindingsReference);void 0===u&&(u=this.createBindingsLayout(e),n.set(e.bindingsReference,u)),r>0&&(void 0===o.groups&&(o.groups=[],o.versions=[]),o.versions[r]===s&&(a=o.groups[r])),void 0===a&&(a=this.createBindGroup(e,u),r>0&&(o.groups[r]=a,o.versions[r]=s)),o.group=a,o.layout=u}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer;r.queue.writeBuffer(i,0,s,0)}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0],n=r.createBuffer({label:"bindingCameraIndex_"+i,size:16,usage:s});r.queue.writeBuffer(n,0,e,0);const o=[{binding:0,resource:{buffer:n}}];return r.createBindGroup({label:"bindGroupCameraIndex_"+i,layout:t,entries:o})}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;const n=[];for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);if(void 0===e.buffer){const r=t.byteLength,i=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,n=s.createBuffer({label:"bindingBuffer_"+t.name,size:r,usage:i});e.buffer=n}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t);if(void 0===e.buffer){const s=t.attribute;e.buffer=r.get(s).buffer}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isSampler){const e=r.get(t.texture);n.push({binding:i,resource:e.sampler})}else if(t.isSampledTexture){const e=r.get(t.texture);let o;if(void 0!==e.externalTexture)o=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=`view-${e.texture.width}-${e.texture.height}-${r}`;if(o=e[s],void 0===o){const i=HN;let n;n=t.isSampledCubeTexture?$N:t.isSampledTexture3D?WN:t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?zN:kN,o=e[s]=e.texture.createView({aspect:i,dimension:n,mipLevelCount:r})}}n.push({binding:i,resource:o})}i++}return s.createBindGroup({label:"bindGroup_"+e.name,layout:t,entries:n})}}class ES{constructor(e){this.backend=e}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:o,fragmentProgram:a}=n,u=this.backend,l=u.device,d=u.utils,c=u.get(n),h=[];for(const t of e.getBindings()){const e=u.get(t);h.push(e.layout)}const p=u.attributeUtils.createShaderVertexBuffers(e);let g;!0===s.transparent&&s.blending!==D&&(g=this._getBlending(s));let m={};!0===s.stencilWrite&&(m={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const f=this._getColorWriteMask(s),y=[];if(null!==e.context.textures){const t=e.context.textures;for(let e=0;e<t.length;e++){const r=d.getTextureFormatGPU(t[e]);y.push({format:r,blend:g,writeMask:f})}}else{const t=d.getCurrentColorFormat(e.context);y.push({format:t,blend:g,writeMask:f})}const x=u.get(o).module,b=u.get(a).module,T=this._getPrimitiveState(r,i,s),_=this._getDepthCompare(s),v=d.getCurrentDepthStencilFormat(e.context),N=this._getSampleCount(e.context),S={label:`renderPipeline_${s.name||s.type}_${s.id}`,vertex:Object.assign({},x,{buffers:p}),fragment:Object.assign({},b,{targets:y}),primitive:T,multisample:{count:N,alphaToCoverageEnabled:s.alphaToCoverage&&N>1},layout:l.createPipelineLayout({bindGroupLayouts:h})},A={},R=e.context.depth,C=e.context.stencil;if(!0!==R&&!0!==C||(!0===R&&(A.format=v,A.depthWriteEnabled=s.depthWrite,A.depthCompare=_),!0===C&&(A.stencilFront=m,A.stencilBack={},A.stencilReadMask=s.stencilFuncMask,A.stencilWriteMask=s.stencilWriteMask),S.depthStencil=A),null===t)c.pipeline=l.createRenderPipeline(S);else{const e=new Promise((e=>{l.createRenderPipelineAsync(S).then((t=>{c.pipeline=t,e()}))}));t.push(e)}}createBundleEncoder(e){const t=this.backend,{utils:r,device:s}=t,i=r.getCurrentDepthStencilFormat(e),n={label:"renderBundleEncoder",colorFormats:[r.getCurrentColorFormat(e)],depthStencilFormat:i,sampleCount:this._getSampleCount(e)};return s.createRenderBundleEncoder(n)}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),o=[];for(const e of t){const t=r.get(e);o.push(t.layout)}n.pipeline=s.createComputePipeline({compute:i,layout:s.createPipelineLayout({bindGroupLayouts:o})})}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,o=e.blendEquation;if(s===Nt){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,a=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:o;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(o)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(a),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:gN},r={srcFactor:i,dstFactor:n,operation:gN}};if(e.premultipliedAlpha)switch(s){case P:i(rN,oN,rN,oN);break;case Rt:i(rN,rN,rN,rN);break;case At:i(tN,iN,tN,rN);break;case St:i(tN,sN,tN,nN)}else switch(s){case P:i(nN,oN,rN,oN);break;case Rt:i(nN,rN,nN,rN);break;case At:i(tN,iN,tN,rN);break;case St:i(tN,sN,tN,sN)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};console.error("THREE.WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case lt:t=tN;break;case dt:t=rN;break;case ct:t=sN;break;case ft:t=iN;break;case ht:t=nN;break;case yt:t=oN;break;case gt:t=aN;break;case xt:t=uN;break;case mt:t=lN;break;case bt:t=dN;break;case pt:t=cN;break;case 211:t=hN;break;case 212:t=pN;break;default:console.error("THREE.WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case Lr:t=Fv;break;case Ir:t=Ov;break;case Pr:t=Uv;break;case Ur:t=Iv;break;case Fr:t=Pv;break;case Br:t=Vv;break;case Mr:t=Lv;break;case wr:t=Dv;break;default:console.error("THREE.WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case Wr:t=_N;break;case $r:t=vN;break;case zr:t=NN;break;case kr:t=SN;break;case Gr:t=AN;break;case Or:t=RN;break;case Vr:t=CN;break;case Dr:t=EN;break;default:console.error("THREE.WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case ot:t=gN;break;case at:t=mN;break;case ut:t=fN;break;case jr:t=yN;break;case Hr:t=xN;break;default:console.error("THREE.WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;switch(s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?qv:Xv),r.side){case je:s.frontFace=$v,s.cullMode=jv;break;case _:s.frontFace=$v,s.cullMode=Hv;break;case ce:s.frontFace=$v,s.cullMode=Wv;break;default:console.error("THREE.WebGPUPipelineUtils: Unknown material.side value.",r.side)}return s}_getColorWriteMask(e){return!0===e.colorWrite?TN:bN}_getDepthCompare(e){let t;if(!1===e.depthTest)t=Ov;else{const r=e.depthFunc;switch(r){case Pt:t=Fv;break;case Ut:t=Ov;break;case Ft:t=Uv;break;case Bt:t=Iv;break;case Mt:t=Pv;break;case wt:t=Vv;break;case Et:t=Lv;break;case Ct:t=Dv;break;default:console.error("THREE.WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class wS extends Sv{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,this.querySet=this.device.createQuerySet({type:"timestamp",count:this.maxQueries,label:`queryset_global_timestamp_${t}`});const s=8*this.maxQueries;this.resolveBuffer=this.device.createBuffer({label:`buffer_timestamp_resolve_${t}`,size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.resultBuffer=this.device.createBuffer({label:`buffer_timestamp_result_${t}`,size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ})}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return it(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e.id,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder();s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(this.device.queue.submit([i]),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r));let o=0;for(const[,t]of e){const e=n[t],r=n[t+1];o+=Number(r-e)/1e6}return this.resultBuffer.unmap(),this.lastValue=o,o}catch(e){return console.error("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){console.error("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){console.error("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class MS extends av{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.trackTimestamp=!0===e.trackTimestamp,this.device=null,this.context=null,this.colorBuffer=null,this.defaultRenderPassdescriptor=null,this.utils=new vS(this),this.attributeUtils=new RS(this),this.bindingUtils=new CS(this),this.pipelineUtils=new ES(this),this.textureUtils=new sS(this),this.occludedResolveCache=new Map}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const e={powerPreference:t.powerPreference},s="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(e):null;if(null===s)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const i=Object.values(XN),n=[];for(const e of i)s.features.has(e)&&n.push(e);const o={requiredFeatures:n,requiredLimits:t.requiredLimits};r=await s.requestDevice(o)}else r=t.device;r.lost.then((t=>{const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}));const s=void 0!==t.context?t.context:e.domElement.getContext("webgpu");this.device=r,this.context=s;const i=t.alpha?"premultiplied":"opaque";this.trackTimestamp=this.trackTimestamp&&this.hasFeature(XN.TimestampQuery),this.context.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i}),this.updateSize()}get coordinateSystem(){return d}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){let e=this.defaultRenderPassdescriptor;if(null===e){const t=this.renderer;e={colorAttachments:[{view:null}]},!0!==this.renderer.depth&&!0!==this.renderer.stencil||(e.depthStencilAttachment={view:this.textureUtils.getDepthBuffer(t.depth,t.stencil).createView()});const r=e.colorAttachments[0];this.renderer.samples>0?r.view=this.colorBuffer.createView():r.resolveTarget=void 0,this.defaultRenderPassdescriptor=e}const t=e.colorAttachments[0];return this.renderer.samples>0?t.resolveTarget=this.context.getCurrentTexture().createView():t.view=this.context.getCurrentTexture().createView(),e}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r);let i=s.descriptors;if(void 0===i||s.width!==r.width||s.height!==r.height||s.dimensions!==r.dimensions||s.activeMipmapLevel!==r.activeMipmapLevel||s.activeCubeFace!==e.activeCubeFace||s.samples!==r.samples||s.loadOp!==t.loadOp){i={},s.descriptors=i;const e=()=>{r.removeEventListener("dispose",e),this.delete(r)};r.addEventListener("dispose",e)}const n=e.getCacheKey();let o=i[n];if(void 0===o){const a=e.textures,u=[];let l;for(let s=0;s<a.length;s++){const i=this.get(a[s]),n={label:`colorAttachment_${s}`,baseMipLevel:e.activeMipmapLevel,mipLevelCount:1,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1,dimension:kN};r.isRenderTarget3D?(l=e.activeCubeFace,n.baseArrayLayer=0,n.dimension=WN,n.depthOrArrayLayers=a[s].image.depth):r.isRenderTargetArray&&(n.dimension=zN,n.depthOrArrayLayers=a[s].image.depth);const o=i.texture.createView(n);let d,c;void 0!==i.msaaTexture?(d=i.msaaTexture.createView(),c=o):(d=o,c=void 0),u.push({view:d,depthSlice:l,resolveTarget:c,loadOp:kv,storeOp:Gv,...t})}if(o={colorAttachments:u},e.depth){const t={view:this.get(e.depthTexture).texture.createView()};o.depthStencilAttachment=t}i[n]=o,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace,s.dimensions=r.dimensions,s.depthSlice=l,s.loadOp=u[0].loadOp}return o}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,i=r.createQuerySet({type:"occlusion",count:s,label:`occlusionQuerySet_${e.id}`}),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:kv}),this.initTimestampQuery(e,n),n.occlusionQuerySet=i;const o=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(s.clearValue=0===r?e.clearColorValue:{r:0,g:0,b:0,a:1},s.loadOp=zv,s.storeOp=Gv):(s.loadOp=kv,s.storeOp=Gv)}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=zv,t.storeOp=Gv):(t.loadOp=kv,t.storeOp=Gv)}e.depth&&(e.clearDepth?(o.depthClearValue=e.clearDepthValue,o.depthLoadOp=zv,o.depthStoreOp=Gv):(o.depthLoadOp=kv,o.depthStoreOp=Gv)),e.stencil&&(e.clearStencil?(o.stencilClearValue=e.clearStencilValue,o.stencilLoadOp=zv,o.stencilStoreOp=Gv):(o.stencilLoadOp=kv,o.stencilStoreOp=Gv));const a=r.createCommandEncoder({label:"renderContext_"+e.id}),u=a.beginRenderPass(n);if(t.descriptor=n,t.encoder=a,t.currentPass=u,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[],e.viewport&&this.updateViewport(e),e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;u.setScissorRect(t,r,s,i)}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;if(t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery(),t.currentPass.end(),r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(i=this.device.createBuffer({size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(s,i));const n=this.device.createBuffer({size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(this.device.queue.submit([t.encoder.finish()]),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:o,maxDepth:a}=e.viewportValue;t.setViewport(r,s,i,n,o,a)}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let o,a,u,l,d=[];if(e){const e=this.getClearColor();if(!0===this.renderer.alpha){const t=e.a;a={r:e.r*t,g:e.g*t,b:e.b*t,a:t}}else a={r:e.r,g:e.g,b:e.b,a:e.a}}if(null===s){u=n.depth,l=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){d=t.colorAttachments;const e=d[0];e.clearValue=a,e.loadOp=zv,e.storeOp=Gv}(u||l)&&(o=t.depthStencilAttachment)}else{if(u=s.depth,l=s.stencil,e){d=this._getRenderPassDescriptor(s,{loadOp:zv,clearValue:a}).colorAttachments}if(u||l){o={view:this.get(s.depthTexture).texture.createView()}}}u&&(t?(o.depthLoadOp=zv,o.depthClearValue=n.getClearDepth(),o.depthStoreOp=Gv):(o.depthLoadOp=kv,o.depthStoreOp=Gv)),l&&(r?(o.stencilLoadOp=zv,o.stencilClearValue=n.getClearStencil(),o.stencilStoreOp=Gv):(o.stencilLoadOp=kv,o.stencilStoreOp=Gv));const c=i.createCommandEncoder({label:"clear"});c.beginRenderPass({colorAttachments:d,depthStencilAttachment:o}).end(),i.queue.submit([c.finish()])}beginCompute(e){const t=this.get(e),r={label:"computeGroup_"+e.id};this.initTimestampQuery(e,r),t.cmdEncoderGPU=this.device.createCommandEncoder({label:"computeGroup_"+e.id}),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(r)}compute(e,t,r,s){const{passEncoderGPU:i}=this.get(e),n=this.get(s).pipeline;i.setPipeline(n);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);i.setBindGroup(e,s.group)}const o=this.device.limits.maxComputeWorkgroupsPerDimension,a=this.get(t);void 0===a.dispatchSize&&(a.dispatchSize={x:0,y:1,z:1});const{dispatchSize:u}=a;t.dispatchCount>o?(u.x=Math.min(t.dispatchCount,o),u.y=Math.ceil(t.dispatchCount/o)):u.x=t.dispatchCount,i.dispatchWorkgroups(u.x,u.y,u.z)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),this.device.queue.submit([t.cmdEncoderGPU.finish()])}async waitForGPU(){await this.device.queue.onSubmittedWorkDone()}draw(e,t){const{object:r,context:s,pipeline:i}=e,n=e.getBindings(),o=this.get(s),a=this.get(i).pipeline,u=o.currentSets,l=o.currentPass,d=e.getDrawParameters();if(null===d)return;u.pipeline!==a&&(l.setPipeline(a),u.pipeline=a);const c=u.bindingGroups;for(let e=0,t=n.length;e<t;e++){const t=n[e],r=this.get(t);c[t.index]!==t.id&&(l.setBindGroup(t.index,r.group),c[t.index]=t.id)}const h=e.getIndex(),p=null!==h;if(!0===p&&u.index!==h){const e=this.get(h).buffer,t=h.array instanceof Uint16Array?qv:Xv;l.setIndexBuffer(e,t),u.index=h}const g=e.getVertexBuffers();for(let e=0,t=g.length;e<t;e++){const t=g[e];if(u.attributes[e]!==t){const r=this.get(t).buffer;l.setVertexBuffer(e,r),u.attributes[e]=t}}if(void 0!==o.occlusionQuerySet){const e=o.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(l.endOcclusionQuery(),o.occlusionQueryIndex++),!0===r.occlusionTest&&(l.beginOcclusionQuery(o.occlusionQueryIndex),o.occlusionQueryObjects[o.occlusionQueryIndex]=r),o.lastOcclusionObject=r)}const m=()=>{if(!0===r.isBatchedMesh){const e=r._multiDrawStarts,t=r._multiDrawCounts,s=r._multiDrawCount,i=r._multiDrawInstances;for(let r=0;r<s;r++){const s=i?i[r]:1,n=s>1?0:r;!0===p?l.drawIndexed(t[r],s,e[r]/h.array.BYTES_PER_ELEMENT,0,n):l.draw(t[r],s,e[r],n)}}else if(!0===p){const{vertexCount:s,instanceCount:i,firstVertex:n}=d,o=e.getIndirect();if(null!==o){const e=this.get(o).buffer;l.drawIndexedIndirect(e,0)}else l.drawIndexed(s,i,n,0,0);t.update(r,s,i)}else{const{vertexCount:s,instanceCount:i,firstVertex:n}=d,o=e.getIndirect();if(null!==o){const e=this.get(o).buffer;l.drawIndirect(e,0)}else l.draw(s,i,n,0);t.update(r,s,i)}};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const t=this.get(e.camera),i=e.camera.cameras,n=e.getBindingGroup("cameraIndex");if(void 0===t.indexesGPU||t.indexesGPU.length!==i.length){const e=this.get(n),r=[],s=new Uint32Array([0,0,0,0]);for(let t=0,n=i.length;t<n;t++){s[0]=t;const i=this.bindingUtils.createBindGroupIndex(s,e.layout);r.push(i)}t.indexesGPU=r}const o=this.renderer.getPixelRatio();for(let e=0,a=i.length;e<a;e++){const a=i[e];if(r.layers.test(a.layers)){const r=a.viewport;l.setViewport(Math.floor(r.x*o),Math.floor(r.y*o),Math.floor(r.width*o),Math.floor(r.height*o),s.viewportValue.minDepth,s.viewportValue.maxDepth),l.setBindGroup(n.index,t.indexesGPU[e]),m()}}}else m()}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),o=i.getCurrentColorSpace(e.context),a=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===o&&t.colorFormat===a&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=o,t.colorFormat=a,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}createSampler(e){this.textureUtils.createSampler(e)}destroySampler(e){this.textureUtils.destroySampler(e)}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e){this.textureUtils.destroyTexture(e)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t){if(!this.trackTimestamp)return;const r=e.isComputeNode?"compute":"render";this.timestampQueryPool[r]||(this.timestampQueryPool[r]=new wS(this.device,r,2048));const s=this.timestampQueryPool[r],i=s.allocateQueriesForContext(e);t.timestampWrites={querySet:s.querySet,beginningOfPassWriteIndex:i,endOfPassWriteIndex:i+1}}createNodeBuilder(e,t){return new _S(e,t)}createProgram(e){this.get(e).module={module:this.device.createShaderModule({code:e.code,label:e.stage+(""!==e.name?`_${e.name}`:"")}),entryPoint:"main"}}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}createIndexAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.colorBuffer=this.textureUtils.getColorBuffer(),this.defaultRenderPassdescriptor=null}getMaxAnisotropy(){return 16}hasFeature(e){return this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0){let n=0,o=0,a=0,u=0,l=0,d=0,c=e.image.width,h=e.image.height;null!==r&&(u=r.x,l=r.y,d=r.z||0,c=r.width,h=r.height),null!==s&&(n=s.x,o=s.y,a=s.z||0);const p=this.device.createCommandEncoder({label:"copyTextureToTexture_"+e.id+"_"+t.id}),g=this.get(e).texture,m=this.get(t).texture;p.copyTextureToTexture({texture:g,mipLevel:i,origin:{x:u,y:l,z:d}},{texture:m,mipLevel:i,origin:{x:n,y:o,z:a}},[c,h,1]),this.device.queue.submit([p.finish()])}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void console.error("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let o;if(s.currentPass?(s.currentPass.end(),o=s.encoder):o=this.device.createCommandEncoder({label:"copyFramebufferToTexture_"+e.id}),o.copyTextureToTexture({texture:i,origin:[r.x,r.y,0]},{texture:n},[r.z,r.w]),e.generateMipmaps&&this.textureUtils.generateMipmaps(e),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=kv;if(t.depth&&(e.depthStencilAttachment.depthLoadOp=kv),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=kv),s.currentPass=o.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor){const{x:e,y:r,width:i,height:n}=t.scissorValue;s.currentPass.setScissorRect(e,r,i,n)}}else this.device.queue.submit([o.finish()])}}class BS extends qr{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class FS extends __{constructor(){super(),this.addMaterial(Kh,"MeshPhongMaterial"),this.addMaterial(mg,"MeshStandardMaterial"),this.addMaterial(yg,"MeshPhysicalMaterial"),this.addMaterial(Ng,"MeshToonMaterial"),this.addMaterial(Gh,"MeshBasicMaterial"),this.addMaterial(qh,"MeshLambertMaterial"),this.addMaterial(Rh,"MeshNormalMaterial"),this.addMaterial(Cg,"MeshMatcapMaterial"),this.addMaterial(fh,"LineBasicMaterial"),this.addMaterial(xh,"LineDashedMaterial"),this.addMaterial(Ug,"PointsMaterial"),this.addMaterial(Bg,"SpriteMaterial"),this.addMaterial(Lg,"ShadowMaterial"),this.addLight(Yx,Xr),this.addLight(KT,Kr),this.addLight(JT,Yr),this.addLight(e_,qr),this.addLight(r_,Qr),this.addLight(s_,Zr),this.addLight(i_,Jr),this.addLight(t_,BS),this.addToneMapping(gy,es),this.addToneMapping(my,ts),this.addToneMapping(fy,rs),this.addToneMapping(xy,ss),this.addToneMapping(vy,is),this.addToneMapping(Ny,ns)}}class US extends G_{constructor(e={}){let t;e.forceWebGL?t=Rv:(t=MS,e.getFallback=()=>(console.warn("THREE.WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new Rv(e)));super(new t(e),e),this.library=new FS,this.isWebGPURenderer=!0}}class PS extends os{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class IS{constructor(e,t=Ki(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new gh;r.name="PostProcessing",this._quadMesh=new Tf(r)}render(){this._update();const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=p,e.outputColorSpace=Ee,this._quadMesh.render(e),e.toneMapping=t,e.outputColorSpace=r}dispose(){this._quadMesh.material.dispose()}_update(){if(!0===this.needsUpdate){const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;this._quadMesh.material.fragmentNode=!0===this.outputColorTransform?Cu(this.outputNode,t,r):this.outputNode.context({toneMapping:t,outputColorSpace:r}),this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){this._update();const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=p,e.outputColorSpace=Ee,await this._quadMesh.renderAsync(e),e.toneMapping=t,e.outputColorSpace=r}}class LS extends ee{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=$,this.minFilter=$,this.isStorageTexture=!0}}class DS extends Ef{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class VS extends as{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new us(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,(r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):console.error(t),this.manager.itemError(e)}}),r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(console.error("THREE.NodeLoader: Node type not found:",e),Di()):Ri(new this.nodes[e])}}class OS extends ls{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class GS extends ds{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}parseNodes(e,t){if(void 0!==e){const r=new VS;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new OS;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class kS extends os{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{ss as ACESFilmicToneMapping,Mc as AONode,ot as AddEquation,X as AddOperation,Rt as AdditiveBlending,is as AgXToneMapping,Vt as AlphaFormat,Nr as AlwaysCompare,Ut as AlwaysDepth,Ir as AlwaysStencilFunc,Qr as AmbientLight,r_ as AmbientLightNode,Vx as AnalyticLightNode,ke as ArrayCamera,Gs as ArrayElementNode,nn as ArrayNode,jn as AssignNode,Eu as AttributeNode,_ as BackSide,Ih as BasicEnvironmentNode,Fe as BasicShadowMap,fc as BatchNode,G as BoxGeometry,Ae as BufferAttribute,lu as BufferAttributeNode,Ne as BufferGeometry,Vu as BufferNode,fd as BumpMapNode,PS as BundleGroup,xu as BypassNode,rt as ByteType,fu as CacheNode,he as Camera,rs as CineonToneMapping,xr as ClampToEdgeWrapping,kS as ClippingGroup,Sy as CodeNode,e as Color,c as ColorManagement,Qa as ColorSpaceNode,gu as ComputeNode,Ys as ConstNode,La as ContextNode,ks as ConvertNode,W as CubeCamera,v as CubeReflectionMapping,N as CubeRefractionMapping,H as CubeTexture,kl as CubeTextureNode,Pe as CubeUVReflectionMapping,_t as CullFaceBack,vt as CullFaceFront,Tt as CullFaceNone,Nt as CustomBlending,E as DataArrayTexture,Xe as DataTexture,Or as DecrementStencilOp,Dr as DecrementWrapStencilOp,ge as DepthFormat,pe as DepthStencilFormat,F as DepthTexture,Kr as DirectionalLight,KT as DirectionalLightNode,ce as DoubleSide,mt as DstAlphaFactor,gt as DstColorFactor,f as DynamicDrawUsage,cg as EnvironmentNode,Ar as EqualCompare,Mt as EqualDepth,Fr as EqualStencilFunc,Ch as EquirectUVNode,j as EquirectangularReflectionMapping,q as EquirectangularRefractionMapping,Ce as Euler,a as EventDispatcher,Nu as ExpressionNode,us as FileLoader,Oe as Float16BufferAttribute,Se as Float32BufferAttribute,w as FloatType,M as FramebufferTexture,Nl as FrontFacingNode,je as FrontSide,qe as Frustum,Xn as FunctionCallNode,Ry as FunctionNode,Gm as FunctionOverloadingNode,c_ as GLSLNodeParser,Cr as GreaterCompare,Et as GreaterDepth,Rr as GreaterEqualCompare,wt as GreaterEqualDepth,Br as GreaterEqualStencilFunc,Mr as GreaterStencilFunc,os as Group,Te as HalfFloatType,Zr as HemisphereLight,s_ as HemisphereLightNode,BS as IESSpotLight,t_ as IESSpotLightNode,Gr as IncrementStencilOp,Vr as IncrementWrapStencilOp,nc as IndexNode,DS as IndirectStorageBufferAttribute,hc as InstanceNode,C as InstancedBufferAttribute,R as InstancedInterleavedBuffer,gc as InstancedMeshNode,T as IntType,m as InterleavedBuffer,y as InterleavedBufferAttribute,kr as InvertStencilOp,Uc as IrradianceNode,$s as JoinNode,Wr as KeepStencilOp,we as LessCompare,Ft as LessDepth,Sr as LessEqualCompare,Bt as LessEqualDepth,Ur as LessEqualStencilFunc,Pr as LessStencilFunc,Jr as LightProbe,i_ as LightProbeNode,S_ as Lighting,Bc as LightingContextNode,Dh as LightingModel,wc as LightingNode,hx as LightsNode,Nh as Line2NodeMaterial,I as LineBasicMaterial,fh as LineBasicNodeMaterial,L as LineDashedMaterial,xh as LineDashedNodeMaterial,$ as LinearFilter,_e as LinearMipMapLinearFilter,B as LinearMipmapLinearFilter,De as LinearMipmapNearestFilter,Ee as LinearSRGBColorSpace,es as LinearToneMapping,as as Loader,_c as LoopNode,Gt as LuminanceAlphaFormat,Ot as LuminanceFormat,Um as MRTNode,Sg as MatcapUVNode,U as Material,ls as MaterialLoader,bd as MaterialNode,ql as MaterialReferenceNode,u as MathUtils,i as Matrix2,n as Matrix3,o as Matrix4,Hr as MaxEquation,Uu as MaxMipLevelNode,k as Mesh,Q as MeshBasicMaterial,Gh as MeshBasicNodeMaterial,Z as MeshLambertMaterial,qh as MeshLambertNodeMaterial,ie as MeshMatcapMaterial,Cg as MeshMatcapNodeMaterial,V as MeshNormalMaterial,Rh as MeshNormalNodeMaterial,J as MeshPhongMaterial,Kh as MeshPhongNodeMaterial,re as MeshPhysicalMaterial,yg as MeshPhysicalNodeMaterial,bg as MeshSSSNodeMaterial,te as MeshStandardMaterial,mg as MeshStandardNodeMaterial,se as MeshToonMaterial,Ng as MeshToonNodeMaterial,jr as MinEquation,br as MirroredRepeatWrapping,K as MixOperation,il as ModelNode,Cc as MorphNode,St as MultiplyBlending,Y as MultiplyOperation,Tr as NearestFilter,Ve as NearestMipmapLinearFilter,_r as NearestMipmapNearestFilter,ns as NeutralToneMapping,vr as NeverCompare,Pt as NeverDepth,Lr as NeverStencilFunc,D as NoBlending,x as NoColorSpace,p as NoToneMapping,Os as Node,Us as NodeAccess,Qb as NodeAttribute,jT as NodeBuilder,sT as NodeCache,tT as NodeCode,qT as NodeFrame,XT as NodeFunctionInput,VS as NodeLoader,gh as NodeMaterial,OS as NodeMaterialLoader,hs as NodeMaterialObserver,GS as NodeObjectLoader,Ms as NodeShaderStage,Fs as NodeType,Zb as NodeUniform,Bs as NodeUpdateType,ws as NodeUtils,Jb as NodeVar,eT as NodeVarying,P as NormalBlending,hd as NormalMapNode,Er as NotEqualCompare,Ct as NotEqualDepth,wr as NotEqualStencilFunc,be as Object3D,Zu as Object3DNode,ds as ObjectLoader,A as ObjectSpaceNormalMap,dt as OneFactor,bt as OneMinusDstAlphaFactor,xt as OneMinusDstColorFactor,yt as OneMinusSrcAlphaFactor,ft as OneMinusSrcColorFactor,ve as OrthographicCamera,Mm as OutputStructNode,He as PCFShadowMap,DT as PMREMGenerator,ug as PMREMNode,Cm as ParameterNode,hy as PassNode,Ie as PerspectiveCamera,Hh as PhongLightingModel,Vp as PhysicalLightingModel,xe as Plane,Xr as PointLight,Yx as PointLightNode,Pf as PointUVNode,oe as PointsMaterial,Ug as PointsNodeMaterial,IS as PostProcessing,ay as PosterizeNode,mn as PropertyNode,Tf as QuadMesh,mr as RED_GREEN_RGTC2_Format,pr as RED_RGTC1_Format,Ge as REVISION,Le as RGBAFormat,et as RGBAIntegerFormat,lr as RGBA_ASTC_10x10_Format,or as RGBA_ASTC_10x5_Format,ar as RGBA_ASTC_10x6_Format,ur as RGBA_ASTC_10x8_Format,dr as RGBA_ASTC_12x10_Format,cr as RGBA_ASTC_12x12_Format,Zt as RGBA_ASTC_4x4_Format,Jt as RGBA_ASTC_5x4_Format,er as RGBA_ASTC_5x5_Format,tr as RGBA_ASTC_6x5_Format,rr as RGBA_ASTC_6x6_Format,sr as RGBA_ASTC_8x5_Format,ir as RGBA_ASTC_8x6_Format,nr as RGBA_ASTC_8x8_Format,hr as RGBA_BPTC_Format,Qt as RGBA_ETC2_EAC_Format,Xt as RGBA_PVRTC_2BPPV1_Format,qt as RGBA_PVRTC_4BPPV1_Format,zt as RGBA_S3TC_DXT1_Format,$t as RGBA_S3TC_DXT3_Format,Wt as RGBA_S3TC_DXT5_Format,Je as RGBFormat,Ze as RGBIntegerFormat,Kt as RGB_ETC1_Format,Yt as RGB_ETC2_Format,jt as RGB_PVRTC_2BPPV1_Format,Ht as RGB_PVRTC_4BPPV1_Format,kt as RGB_S3TC_DXT1_Format,Be as RGFormat,Qe as RGIntegerFormat,vf as RTTNode,ky as RangeNode,Yr as RectAreaLight,JT as RectAreaLightNode,Ye as RedFormat,Ke as RedIntegerFormat,Wl as ReferenceNode,mf as ReflectorNode,ts as ReinhardToneMapping,Tu as RemapNode,Ru as RenderOutputNode,ye as RenderTarget,iu as RendererReferenceNode,Nx as RendererUtils,yr as RepeatWrapping,zr as ReplaceStencilOp,ut as ReverseSubtractEquation,Eg as RotateNode,fr as SIGNED_RED_GREEN_RGTC2_Format,gr as SIGNED_RED_RGTC1_Format,We as SRGBColorSpace,h as SRGBTransfer,z as Scene,Vf as SceneNode,Lc as ScreenNode,Uy as ScriptableNode,Ey as ScriptableValueNode,js as SetNode,px as ShadowBaseNode,ae as ShadowMaterial,Lx as ShadowNode,Lg as ShadowNodeMaterial,st as ShortType,bc as SkinningNode,Ue as SphereGeometry,Hs as SplitNode,qr as SpotLight,e_ as SpotLightNode,ne as SpriteMaterial,Bg as SpriteNodeMaterial,Ym as SpriteSheetUVNode,ht as SrcAlphaFactor,pt as SrcAlphaSaturateFactor,ct as SrcColorFactor,Em as StackNode,g as StaticDrawUsage,wf as StorageArrayElementNode,Ef as StorageBufferAttribute,Bf as StorageBufferNode,Cf as StorageInstancedBufferAttribute,LS as StorageTexture,zf as StorageTextureNode,at as SubtractEquation,At as SubtractiveBlending,Hb as TSL,S as TangentSpaceNormalMap,zs as TempNode,ee as Texture,Vg as Texture3DNode,Iu as TextureNode,Bu as TextureSizeNode,ou as ToneMappingNode,py as ToonOutlinePassNode,Zm as TriplanarTexturesNode,Re as UVMapping,de as Uint16BufferAttribute,le as Uint32BufferAttribute,ku as UniformArrayNode,an as UniformGroupNode,pn as UniformNode,fe as UnsignedByteType,me as UnsignedInt248Type,Dt as UnsignedInt5999Type,b as UnsignedIntType,It as UnsignedShort4444Type,Lt as UnsignedShort5551Type,tt as UnsignedShortType,Wf as UserDataNode,Me as VSMShadowMap,Oa as VarNode,Wa as VaryingNode,t as Vector2,r as Vector3,s as Vector4,Uf as VertexColorNode,eh as ViewportDepthNode,Zc as ViewportDepthTextureNode,Th as ViewportSharedTextureNode,Xc as ViewportTextureNode,Gg as VolumeNodeMaterial,l as WebGLCoordinateSystem,O as WebGLCubeRenderTarget,d as WebGPUCoordinateSystem,US as WebGPURenderer,ze as WebXRController,lt as ZeroFactor,$r as ZeroStencilOp,nt as createCanvasElement,Is as defaultBuildStages,Ps as defaultShaderStages,Ls as shaderStages,Ds as vectorComponents}; diff --git a/build/three.webgpu.nodes.js b/build/three.webgpu.nodes.js index a2959c3dc30fb8..290535bef13b05 100644 --- a/build/three.webgpu.nodes.js +++ b/build/three.webgpu.nodes.js @@ -3,7 +3,7 @@ * Copyright 2010-2025 Three.js Authors * SPDX-License-Identifier: MIT */ -import { Color, Vector2, Vector3, Vector4, Matrix2, Matrix3, Matrix4, EventDispatcher, MathUtils, WebGLCoordinateSystem, WebGPUCoordinateSystem, ColorManagement, SRGBTransfer, NoToneMapping, StaticDrawUsage, InterleavedBuffer, DynamicDrawUsage, InterleavedBufferAttribute, NoColorSpace, UnsignedIntType, IntType, BackSide, CubeReflectionMapping, CubeRefractionMapping, TangentSpaceNormalMap, ObjectSpaceNormalMap, InstancedInterleavedBuffer, InstancedBufferAttribute, DataArrayTexture, FloatType, FramebufferTexture, LinearMipmapLinearFilter, DepthTexture, Material, NormalBlending, LineBasicMaterial, LineDashedMaterial, NoBlending, MeshNormalMaterial, WebGLCubeRenderTarget, BoxGeometry, Mesh, Scene, LinearFilter, CubeCamera, CubeTexture, EquirectangularReflectionMapping, EquirectangularRefractionMapping, AddOperation, MixOperation, MultiplyOperation, MeshBasicMaterial, MeshLambertMaterial, MeshPhongMaterial, Texture, MeshStandardMaterial, MeshPhysicalMaterial, MeshToonMaterial, MeshMatcapMaterial, SpriteMaterial, PointsMaterial, ShadowMaterial, Uint32BufferAttribute, Uint16BufferAttribute, DoubleSide, Camera, DepthStencilFormat, DepthFormat, UnsignedInt248Type, UnsignedByteType, RenderTarget, Plane, Object3D, HalfFloatType, LinearMipMapLinearFilter, OrthographicCamera, BufferGeometry, Float32BufferAttribute, BufferAttribute, UVMapping, Euler, LinearSRGBColorSpace, LessCompare, VSMShadowMap, RGFormat, BasicShadowMap, SphereGeometry, CubeUVReflectionMapping, PerspectiveCamera, RGBAFormat, LinearMipmapNearestFilter, NearestMipmapLinearFilter, Float16BufferAttribute, REVISION, ArrayCamera, WebXRController, RAD2DEG, SRGBColorSpace, PCFShadowMap, FrontSide, Frustum, DataTexture, RedIntegerFormat, RedFormat, RGIntegerFormat, RGBIntegerFormat, RGBFormat, RGBAIntegerFormat, UnsignedShortType, ByteType, ShortType, warnOnce, createCanvasElement, AddEquation, SubtractEquation, ReverseSubtractEquation, ZeroFactor, OneFactor, SrcColorFactor, SrcAlphaFactor, SrcAlphaSaturateFactor, DstColorFactor, DstAlphaFactor, OneMinusSrcColorFactor, OneMinusSrcAlphaFactor, OneMinusDstColorFactor, OneMinusDstAlphaFactor, CullFaceNone, CullFaceBack, CullFaceFront, CustomBlending, MultiplyBlending, SubtractiveBlending, AdditiveBlending, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessEqualDepth, LessDepth, AlwaysDepth, NeverDepth, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, AlphaFormat, LuminanceFormat, LuminanceAlphaFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, RED_GREEN_RGTC2_Format, SIGNED_RED_GREEN_RGTC2_Format, RepeatWrapping, ClampToEdgeWrapping, MirroredRepeatWrapping, NearestFilter, NearestMipmapNearestFilter, NeverCompare, AlwaysCompare, LessEqualCompare, EqualCompare, GreaterEqualCompare, GreaterCompare, NotEqualCompare, NotEqualStencilFunc, GreaterStencilFunc, GreaterEqualStencilFunc, EqualStencilFunc, LessEqualStencilFunc, LessStencilFunc, AlwaysStencilFunc, NeverStencilFunc, DecrementWrapStencilOp, IncrementWrapStencilOp, DecrementStencilOp, IncrementStencilOp, InvertStencilOp, ReplaceStencilOp, ZeroStencilOp, KeepStencilOp, MaxEquation, MinEquation, SpotLight, PointLight, DirectionalLight, RectAreaLight, AmbientLight, HemisphereLight, LightProbe, LinearToneMapping, ReinhardToneMapping, CineonToneMapping, ACESFilmicToneMapping, AgXToneMapping, NeutralToneMapping, Group, Loader, FileLoader, MaterialLoader, ObjectLoader } from './three.core.js'; +import { Color, Vector2, Vector3, Vector4, Matrix2, Matrix3, Matrix4, EventDispatcher, MathUtils, WebGLCoordinateSystem, WebGPUCoordinateSystem, ColorManagement, SRGBTransfer, NoToneMapping, StaticDrawUsage, InterleavedBuffer, DynamicDrawUsage, InterleavedBufferAttribute, NoColorSpace, UnsignedIntType, IntType, BackSide, CubeReflectionMapping, CubeRefractionMapping, TangentSpaceNormalMap, ObjectSpaceNormalMap, InstancedInterleavedBuffer, InstancedBufferAttribute, DataArrayTexture, FloatType, FramebufferTexture, LinearMipmapLinearFilter, DepthTexture, Material, NormalBlending, LineBasicMaterial, LineDashedMaterial, NoBlending, MeshNormalMaterial, WebGLCubeRenderTarget, BoxGeometry, Mesh, Scene, LinearFilter, CubeCamera, CubeTexture, EquirectangularReflectionMapping, EquirectangularRefractionMapping, AddOperation, MixOperation, MultiplyOperation, MeshBasicMaterial, MeshLambertMaterial, MeshPhongMaterial, Texture, MeshStandardMaterial, MeshPhysicalMaterial, MeshToonMaterial, MeshMatcapMaterial, SpriteMaterial, PointsMaterial, ShadowMaterial, arrayNeedsUint32, Uint32BufferAttribute, Uint16BufferAttribute, DoubleSide, Camera, DepthStencilFormat, DepthFormat, UnsignedInt248Type, UnsignedByteType, RenderTarget, Plane, Object3D, HalfFloatType, LinearMipMapLinearFilter, OrthographicCamera, BufferGeometry, Float32BufferAttribute, BufferAttribute, UVMapping, Euler, LinearSRGBColorSpace, LessCompare, VSMShadowMap, RGFormat, BasicShadowMap, SphereGeometry, CubeUVReflectionMapping, PerspectiveCamera, RGBAFormat, LinearMipmapNearestFilter, NearestMipmapLinearFilter, Float16BufferAttribute, REVISION, ArrayCamera, WebXRController, RAD2DEG, SRGBColorSpace, PCFShadowMap, FrontSide, Frustum, DataTexture, RedIntegerFormat, RedFormat, RGIntegerFormat, RGBIntegerFormat, RGBFormat, RGBAIntegerFormat, UnsignedShortType, ByteType, ShortType, warnOnce, createCanvasElement, AddEquation, SubtractEquation, ReverseSubtractEquation, ZeroFactor, OneFactor, SrcColorFactor, SrcAlphaFactor, SrcAlphaSaturateFactor, DstColorFactor, DstAlphaFactor, OneMinusSrcColorFactor, OneMinusSrcAlphaFactor, OneMinusDstColorFactor, OneMinusDstAlphaFactor, CullFaceNone, CullFaceBack, CullFaceFront, CustomBlending, MultiplyBlending, SubtractiveBlending, AdditiveBlending, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessEqualDepth, LessDepth, AlwaysDepth, NeverDepth, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, AlphaFormat, LuminanceFormat, LuminanceAlphaFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, RED_GREEN_RGTC2_Format, SIGNED_RED_GREEN_RGTC2_Format, RepeatWrapping, ClampToEdgeWrapping, MirroredRepeatWrapping, NearestFilter, NearestMipmapNearestFilter, NeverCompare, AlwaysCompare, LessEqualCompare, EqualCompare, GreaterEqualCompare, GreaterCompare, NotEqualCompare, NotEqualStencilFunc, GreaterStencilFunc, GreaterEqualStencilFunc, EqualStencilFunc, LessEqualStencilFunc, LessStencilFunc, AlwaysStencilFunc, NeverStencilFunc, DecrementWrapStencilOp, IncrementWrapStencilOp, DecrementStencilOp, IncrementStencilOp, InvertStencilOp, ReplaceStencilOp, ZeroStencilOp, KeepStencilOp, MaxEquation, MinEquation, SpotLight, PointLight, DirectionalLight, RectAreaLight, AmbientLight, HemisphereLight, LightProbe, LinearToneMapping, ReinhardToneMapping, CineonToneMapping, ACESFilmicToneMapping, AgXToneMapping, NeutralToneMapping, Group, Loader, FileLoader, MaterialLoader, ObjectLoader } from './three.core.js'; export { AdditiveAnimationBlendMode, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BasicDepthPacking, BatchedMesh, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxHelper, BufferGeometryLoader, Cache, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CircleGeometry, Clock, ColorKeyframeTrack, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, ConstantAlphaFactor, ConstantColorFactor, Controls, CubeTextureLoader, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceFrontBack, Curve, CurvePath, CustomToneMapping, CylinderGeometry, Cylindrical, Data3DTexture, DataTextureLoader, DataUtils, DefaultLoadingManager, DetachedBindMode, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DynamicCopyUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, ExtrudeGeometry, Fog, FogExp2, GLBufferAttribute, GLSL1, GLSL3, GridHelper, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, InstancedBufferGeometry, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, KeyframeTrack, LOD, LatheGeometry, Layers, Light, Line, Line3, LineCurve, LineCurve3, LineLoop, LineSegments, LinearInterpolant, LinearMipMapNearestFilter, LinearTransfer, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, MOUSE, MeshDepthMaterial, MeshDistanceMaterial, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NormalAnimationBlendMode, NumberKeyframeTrack, OctahedronGeometry, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, PCFSoftShadowMap, Path, PlaneGeometry, PlaneHelper, PointLightHelper, Points, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RGBADepthPacking, RGBDepthPacking, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGDepthPacking, RawShaderMaterial, Ray, Raycaster, RenderTarget3D, RenderTargetArray, RingGeometry, ShaderMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, Skeleton, SkeletonHelper, SkinnedMesh, Source, Sphere, Spherical, SphericalHarmonics3, SplineCurve, SpotLightHelper, Sprite, StaticCopyUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, TOUCH, TetrahedronGeometry, TextureLoader, TextureUtils, TimestampQuery, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLRenderTarget, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroSlopeEnding } from './three.core.js'; const refreshUniforms = [ @@ -151,6 +151,7 @@ class NodeMaterialObserver { data = { material: this.getMaterialData( material ), geometry: { + id: geometry.id, attributes: this.getAttributesData( geometry.attributes ), indexVersion: geometry.index ? geometry.index.version : null, drawRange: { start: geometry.drawRange.start, count: geometry.drawRange.count } @@ -370,6 +371,13 @@ class NodeMaterialObserver { const storedAttributeNames = Object.keys( storedAttributes ); const currentAttributeNames = Object.keys( attributes ); + if ( storedGeometryData.id !== geometry.id ) { + + storedGeometryData.id = geometry.id; + return false; + + } + if ( storedAttributeNames.length !== currentAttributeNames.length ) { renderObjectData.geometry.attributes = this.getAttributesData( attributes ); @@ -2734,6 +2742,8 @@ class InputNode extends Node { } +const _regNum = /float|u?int/; + /** * Class for representing a constant value in the shader. * @@ -2784,6 +2794,12 @@ class ConstNode extends InputNode { const type = this.getNodeType( builder ); + if ( _regNum.test( type ) && _regNum.test( output ) ) { + + return builder.generateConst( output, this.value ); + + } + return builder.format( this.generateConst( builder ), type, output ); } @@ -13278,9 +13294,9 @@ class BatchNode extends Node { const getIndirectIndex = Fn( ( [ id ] ) => { - const size = textureSize( textureLoad( this.batchMesh._indirectTexture ), 0 ); - const x = int( id ).modInt( int( size ) ); - const y = int( id ).div( int( size ) ); + const size = int( textureSize( textureLoad( this.batchMesh._indirectTexture ), 0 ) ); + const x = int( id ).modInt( size ); + const y = int( id ).div( size ); return textureLoad( this.batchMesh._indirectTexture, ivec2( x, y ) ).x; } ).setLayout( { @@ -20095,7 +20111,7 @@ const blur = /*@__PURE__*/ Fn( ( { n, latitudinal, poleAxis, outputDirection, we axis.assign( normalize( axis ) ); const gl_FragColor = vec3().toVar(); - gl_FragColor.addAssign( weights.element( int( 0 ) ).mul( getSample( { theta: 0.0, axis, outputDirection, mipInt, envMap, CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP } ) ) ); + gl_FragColor.addAssign( weights.element( 0 ).mul( getSample( { theta: 0.0, axis, outputDirection, mipInt, envMap, CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP } ) ) ); Loop( { start: int( 1 ), end: n }, ( { i } ) => { @@ -24052,28 +24068,6 @@ class Attributes extends DataMap { } -/** - * Returns `true` if the given array has values that require an Uint32 array type. - * - * @private - * @function - * @param {Array<Number>} array - The array to test. - * @return {Boolean} Whether the given array has values that require an Uint32 array type or not. - */ -function arrayNeedsUint32( array ) { - - // assumes larger values usually on last - - for ( let i = array.length - 1; i >= 0; -- i ) { - - if ( array[ i ] >= 65535 ) return true; // account for PRIMITIVE_RESTART_FIXED_INDEX, #24565 - - } - - return false; - -} - /** * Returns the wireframe version for the given geometry. * @@ -56517,6 +56511,7 @@ class WebGLTimestampQueryPool extends TimestampQueryPool { // Check if we have enough space for a new query pair if ( this.currentQueryIndex + 2 > this.maxQueries ) { + warnOnce( `WebGPUTimestampQueryPool [${ this.type }]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${ this.type.toUpperCase() } ).` ); return null; } @@ -65622,7 +65617,7 @@ class WebGPUTimestampQueryPool extends TimestampQueryPool { if ( this.currentQueryIndex + 2 > this.maxQueries ) { - warnOnce( 'WebGPUTimestampQueryPool: Maximum number of queries exceeded.' ); + warnOnce( `WebGPUTimestampQueryPool [${ this.type }]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${ this.type.toUpperCase() } ).` ); return null; } diff --git a/build/three.webgpu.nodes.min.js b/build/three.webgpu.nodes.min.js index 36b803969aaff5..dd02d9710dd7f1 100644 --- a/build/three.webgpu.nodes.min.js +++ b/build/three.webgpu.nodes.min.js @@ -3,4 +3,4 @@ * Copyright 2010-2025 Three.js Authors * SPDX-License-Identifier: MIT */ -import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as o,EventDispatcher as a,MathUtils as u,WebGLCoordinateSystem as l,WebGPUCoordinateSystem as d,ColorManagement as c,SRGBTransfer as h,NoToneMapping as p,StaticDrawUsage as g,InterleavedBuffer as m,DynamicDrawUsage as f,InterleavedBufferAttribute as y,NoColorSpace as x,UnsignedIntType as b,IntType as T,BackSide as _,CubeReflectionMapping as v,CubeRefractionMapping as N,TangentSpaceNormalMap as S,ObjectSpaceNormalMap as A,InstancedInterleavedBuffer as R,InstancedBufferAttribute as C,DataArrayTexture as E,FloatType as w,FramebufferTexture as M,LinearMipmapLinearFilter as B,DepthTexture as F,Material as U,NormalBlending as P,LineBasicMaterial as I,LineDashedMaterial as L,NoBlending as D,MeshNormalMaterial as V,WebGLCubeRenderTarget as O,BoxGeometry as G,Mesh as k,Scene as z,LinearFilter as $,CubeCamera as W,CubeTexture as H,EquirectangularReflectionMapping as j,EquirectangularRefractionMapping as q,AddOperation as X,MixOperation as K,MultiplyOperation as Y,MeshBasicMaterial as Q,MeshLambertMaterial as Z,MeshPhongMaterial as J,Texture as ee,MeshStandardMaterial as te,MeshPhysicalMaterial as re,MeshToonMaterial as se,MeshMatcapMaterial as ie,SpriteMaterial as ne,PointsMaterial as oe,ShadowMaterial as ae,Uint32BufferAttribute as ue,Uint16BufferAttribute as le,DoubleSide as de,Camera as ce,DepthStencilFormat as he,DepthFormat as pe,UnsignedInt248Type as ge,UnsignedByteType as me,RenderTarget as fe,Plane as ye,Object3D as xe,HalfFloatType as be,LinearMipMapLinearFilter as Te,OrthographicCamera as _e,BufferGeometry as ve,Float32BufferAttribute as Ne,BufferAttribute as Se,UVMapping as Ae,Euler as Re,LinearSRGBColorSpace as Ce,LessCompare as Ee,VSMShadowMap as we,RGFormat as Me,BasicShadowMap as Be,SphereGeometry as Fe,CubeUVReflectionMapping as Ue,PerspectiveCamera as Pe,RGBAFormat as Ie,LinearMipmapNearestFilter as Le,NearestMipmapLinearFilter as De,Float16BufferAttribute as Ve,REVISION as Oe,ArrayCamera as Ge,WebXRController as ke,RAD2DEG as ze,SRGBColorSpace as $e,PCFShadowMap as We,FrontSide as He,Frustum as je,DataTexture as qe,RedIntegerFormat as Xe,RedFormat as Ke,RGIntegerFormat as Ye,RGBIntegerFormat as Qe,RGBFormat as Ze,RGBAIntegerFormat as Je,UnsignedShortType as et,ByteType as tt,ShortType as rt,warnOnce as st,createCanvasElement as it,AddEquation as nt,SubtractEquation as ot,ReverseSubtractEquation as at,ZeroFactor as ut,OneFactor as lt,SrcColorFactor as dt,SrcAlphaFactor as ct,SrcAlphaSaturateFactor as ht,DstColorFactor as pt,DstAlphaFactor as gt,OneMinusSrcColorFactor as mt,OneMinusSrcAlphaFactor as ft,OneMinusDstColorFactor as yt,OneMinusDstAlphaFactor as xt,CullFaceNone as bt,CullFaceBack as Tt,CullFaceFront as _t,CustomBlending as vt,MultiplyBlending as Nt,SubtractiveBlending as St,AdditiveBlending as At,NotEqualDepth as Rt,GreaterDepth as Ct,GreaterEqualDepth as Et,EqualDepth as wt,LessEqualDepth as Mt,LessDepth as Bt,AlwaysDepth as Ft,NeverDepth as Ut,UnsignedShort4444Type as Pt,UnsignedShort5551Type as It,UnsignedInt5999Type as Lt,AlphaFormat as Dt,LuminanceFormat as Vt,LuminanceAlphaFormat as Ot,RGB_S3TC_DXT1_Format as Gt,RGBA_S3TC_DXT1_Format as kt,RGBA_S3TC_DXT3_Format as zt,RGBA_S3TC_DXT5_Format as $t,RGB_PVRTC_4BPPV1_Format as Wt,RGB_PVRTC_2BPPV1_Format as Ht,RGBA_PVRTC_4BPPV1_Format as jt,RGBA_PVRTC_2BPPV1_Format as qt,RGB_ETC1_Format as Xt,RGB_ETC2_Format as Kt,RGBA_ETC2_EAC_Format as Yt,RGBA_ASTC_4x4_Format as Qt,RGBA_ASTC_5x4_Format as Zt,RGBA_ASTC_5x5_Format as Jt,RGBA_ASTC_6x5_Format as er,RGBA_ASTC_6x6_Format as tr,RGBA_ASTC_8x5_Format as rr,RGBA_ASTC_8x6_Format as sr,RGBA_ASTC_8x8_Format as ir,RGBA_ASTC_10x5_Format as nr,RGBA_ASTC_10x6_Format as or,RGBA_ASTC_10x8_Format as ar,RGBA_ASTC_10x10_Format as ur,RGBA_ASTC_12x10_Format as lr,RGBA_ASTC_12x12_Format as dr,RGBA_BPTC_Format as cr,RED_RGTC1_Format as hr,SIGNED_RED_RGTC1_Format as pr,RED_GREEN_RGTC2_Format as gr,SIGNED_RED_GREEN_RGTC2_Format as mr,RepeatWrapping as fr,ClampToEdgeWrapping as yr,MirroredRepeatWrapping as xr,NearestFilter as br,NearestMipmapNearestFilter as Tr,NeverCompare as _r,AlwaysCompare as vr,LessEqualCompare as Nr,EqualCompare as Sr,GreaterEqualCompare as Ar,GreaterCompare as Rr,NotEqualCompare as Cr,NotEqualStencilFunc as Er,GreaterStencilFunc as wr,GreaterEqualStencilFunc as Mr,EqualStencilFunc as Br,LessEqualStencilFunc as Fr,LessStencilFunc as Ur,AlwaysStencilFunc as Pr,NeverStencilFunc as Ir,DecrementWrapStencilOp as Lr,IncrementWrapStencilOp as Dr,DecrementStencilOp as Vr,IncrementStencilOp as Or,InvertStencilOp as Gr,ReplaceStencilOp as kr,ZeroStencilOp as zr,KeepStencilOp as $r,MaxEquation as Wr,MinEquation as Hr,SpotLight as jr,PointLight as qr,DirectionalLight as Xr,RectAreaLight as Kr,AmbientLight as Yr,HemisphereLight as Qr,LightProbe as Zr,LinearToneMapping as Jr,ReinhardToneMapping as es,CineonToneMapping as ts,ACESFilmicToneMapping as rs,AgXToneMapping as ss,NeutralToneMapping as is,Group as ns,Loader as os,FileLoader as as,MaterialLoader as us,ObjectLoader as ls}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,CylinderGeometry,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LinearTransfer,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,PCFSoftShadowMap,Path,PlaneGeometry,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,Quaternion,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGB_BPTC_SIGNED_Format,RGB_BPTC_UNSIGNED_Format,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RenderTargetArray,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Sphere,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,TimestampQuery,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding}from"./three.core.min.js";const ds=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveMap","envMap","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"];class cs{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=ds,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}getRenderObjectData(e){let t=this.renderObjects.get(e);if(void 0===t){const{geometry:r,material:s,object:i}=e;if(t={material:this.getMaterialData(s),geometry:{attributes:this.getAttributesData(r.attributes),indexVersion:r.index?r.index.version:null,drawRange:{start:r.drawRange.start,count:r.drawRange.count}},worldMatrix:i.matrixWorld.clone()},i.center&&(t.center=i.center.clone()),i.morphTargetInfluences&&(t.morphTargetInfluences=i.morphTargetInfluences.slice()),null!==e.bundle&&(t.version=e.bundle.version),t.material.transmission>0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return null!==e.renderer.nodes.modelViewMatrix||null!==e.renderer.nodes.modelNormalViewMatrix}getMaterialData(e){const t={};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:s.version}:t[r]=s.clone():t[r]=s)}return t}equals(e){const{object:t,material:r,geometry:s}=e,i=this.getRenderObjectData(e);if(!0!==i.worldMatrix.equals(t.matrixWorld))return i.worldMatrix.copy(t.matrixWorld),!1;const n=i.material;for(const e in n){const t=n[e],s=r[e];if(void 0!==t.equals){if(!1===t.equals(s))return t.copy(s),!1}else if(!0===s.isTexture){if(t.id!==s.id||t.version!==s.version)return t.id=s.id,t.version=s.version,!1}else if(t!==s)return n[e]=s,!1}if(n.transmission>0){const{width:t,height:r}=e.context;if(i.bufferWidth!==t||i.bufferHeight!==r)return i.bufferWidth=t,i.bufferHeight=r,!1}const o=i.geometry,a=s.attributes,u=o.attributes,l=Object.keys(u),d=Object.keys(a);if(l.length!==d.length)return i.geometry.attributes=this.getAttributesData(a),!1;for(const e of l){const t=u[e],r=a[e];if(void 0===r)return delete u[e],!1;if(t.version!==r.version)return t.version=r.version,!1}const c=s.index,h=o.indexVersion,p=c?c.version:null;if(h!==p)return o.indexVersion=p,!1;if(o.drawRange.start!==s.drawRange.start||o.drawRange.count!==s.drawRange.count)return o.drawRange.start=s.drawRange.start,o.drawRange.count=s.drawRange.count,!1;if(i.morphTargetInfluences){let e=!1;for(let r=0;r<i.morphTargetInfluences.length;r++)i.morphTargetInfluences[r]!==t.morphTargetInfluences[r]&&(e=!0);if(e)return!0}return i.center&&!1===i.center.equals(t.center)?(i.center.copy(t.center),!0):(null!==e.bundle&&(i.version=e.bundle.version),!0)}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e))return!0;const{renderId:r}=t;if(this.renderId!==r)return this.renderId=r,!0;const s=!0===e.object.static,i=null!==e.bundle&&!0===e.bundle.static&&this.getRenderObjectData(e).version===e.bundle.version;if(s||i)return!1;return!0!==this.equals(e)}}function hs(e,t=0){let r=3735928559^t,s=1103547991^t;if(e instanceof Array)for(let t,i=0;i<e.length;i++)t=e[i],r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);else for(let t,i=0;i<e.length;i++)t=e.charCodeAt(i),r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);return r=Math.imul(r^r>>>16,2246822507),r^=Math.imul(s^s>>>13,3266489909),s=Math.imul(s^s>>>16,2246822507),s^=Math.imul(r^r>>>13,3266489909),4294967296*(2097151&s)+(r>>>0)}const ps=e=>hs(e),gs=e=>hs(e),ms=(...e)=>hs(e);function fs(e,t=!1){const r=[];!0===e.isNode&&(r.push(e.id),e=e.getSelf());for(const{property:s,childNode:i}of ys(e))r.push(hs(s.slice(0,-4)),i.getCacheKey(t));return hs(r)}function*ys(e,t=!1){for(const r in e){if(!0===r.startsWith("_"))continue;const s=e[r];if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&(!0===i.isNode||t&&"function"==typeof i.toJSON)&&(yield{property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)yield{property:r,childNode:s};else if("object"==typeof s)for(const e in s){const i=s[e];i&&(!0===i.isNode||t&&"function"==typeof i.toJSON)&&(yield{property:r,index:e,childNode:i})}}}const xs=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),bs=new WeakMap;function Ts(e){return xs.get(e)}function _s(e){if(/[iu]?vec\d/.test(e))return e.startsWith("ivec")?Int32Array:e.startsWith("uvec")?Uint32Array:Float32Array;if(/mat\d/.test(e))return Float32Array;if(/float/.test(e))return Float32Array;if(/uint/.test(e))return Uint32Array;if(/int/.test(e))return Int32Array;throw new Error(`THREE.NodeUtils: Unsupported type: ${e}`)}function vs(e){return/float|int|uint/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?9:/mat4/.test(e)?16:void console.error("THREE.TSL: Unsupported type:",e)}function Ns(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function Ss(a,...u){const l=a?a.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===a?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new o(...u):"bool"===a?u[0]||!1:"float"===a||"int"===a||"uint"===a?u[0]||0:"string"===a?u[0]||"":"ArrayBuffer"===a?Cs(u[0]):null}function As(e){let t=bs.get(e);return void 0===t&&(t={},bs.set(e,t)),t}function Rs(e){let t="";const r=new Uint8Array(e);for(let e=0;e<r.length;e++)t+=String.fromCharCode(r[e]);return btoa(t)}function Cs(e){return Uint8Array.from(atob(e),(e=>e.charCodeAt(0))).buffer}var Es=Object.freeze({__proto__:null,arrayBufferToBase64:Rs,base64ToArrayBuffer:Cs,getCacheKey:fs,getDataFromObject:As,getLengthFromType:vs,getNodeChildren:ys,getTypeFromLength:Ts,getTypedArrayFromType:_s,getValueFromType:Ss,getValueType:Ns,hash:ms,hashArray:gs,hashString:ps});const ws={VERTEX:"vertex",FRAGMENT:"fragment"},Ms={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},Bs={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},Fs={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},Us=["fragment","vertex"],Ps=["setup","analyze","generate"],Is=[...Us,"compute"],Ls=["x","y","z","w"];let Ds=0;class Vs extends a{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=Ms.NONE,this.updateBeforeType=Ms.NONE,this.updateAfterType=Ms.NONE,this.uuid=u.generateUUID(),this.version=0,this.global=!1,this.isNode=!0,this._cacheKey=null,this._cacheKeyVersion=0,Object.defineProperty(this,"id",{value:Ds++})}set needsUpdate(e){!0===e&&this.version++}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this.getSelf()),this}onFrameUpdate(e){return this.onUpdate(e,Ms.FRAME)}onRenderUpdate(e){return this.onUpdate(e,Ms.RENDER)}onObjectUpdate(e){return this.onUpdate(e,Ms.OBJECT)}onReference(e){return this.updateReference=e.bind(this.getSelf()),this}getSelf(){return this.self||this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of ys(this))yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}getCacheKey(e=!1){return!0!==(e=e||this.version!==this._cacheKeyVersion)&&null!==this._cacheKey||(this._cacheKey=ms(fs(this,e),this.customCacheKey()),this._cacheKeyVersion=this.version),this._cacheKey}customCacheKey(){return 0}getScope(){return this}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getNodeType(e){const t=e.getNodeProperties(this);return t.outputNode?t.outputNode.getNodeType(e):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e){if(1===e.increaseUsage(this)){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){console.warn("Abstract function.")}updateAfter(){console.warn("Abstract function.")}update(){console.warn("Abstract function.")}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);e.addNode(this),e.addChain(this);let s=null;const i=e.getBuildStage();if("setup"===i){this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0;const r=this.setup(e),s=r&&!0===r.isNode;for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e);s&&r.build(e),t.outputNode=r}}else if("analyze"===i)this.analyze(e);else if("generate"===i){if(1===this.generate.length){const r=this.getNodeType(e),i=e.getDataFromNode(this);s=i.snippet,void 0===s?(s=this.generate(e)||"",i.snippet=s):void 0!==i.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),s=e.format(s,r,t)}else s=this.generate(e,t)||""}return e.removeChain(this),e.addSequentialNode(this),s}getSerializeChildren(){return ys(this)}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.6,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}class Os extends Vs{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}getNodeType(e){return this.node.getElementType(e)}generate(e){return`${this.node.build(e)}[ ${this.indexNode.build(e,"uint")} ]`}}class Gs extends Vs{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}getNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class ks extends Vs{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),o=e.getPropertyName(n);return e.addLineFlowCode(`${o} = ${i}`,this),s.snippet=i,s.propertyName=o,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class zs extends ks{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}getNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce(((t,r)=>t+e.getTypeLength(r.getNodeType(e))),0))}generate(e,t){const r=this.getNodeType(e),s=this.nodes,i=e.getComponentType(r),n=[];for(const t of s){let r=t.build(e);const s=e.getComponentType(t.getNodeType(e));s!==i&&(r=e.format(r,s,i)),n.push(r)}const o=`${e.getType(r)}( ${n.join(", ")} )`;return e.format(o,r,t)}}const $s=Ls.join("");class Ws extends Vs{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(Ls.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}getNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const o=r.build(e,n);i=this.components.length===s&&this.components===$s.slice(0,this.components.length)?e.format(o,n,t):e.format(`${o}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class Hs extends ks{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),o=e.getTypeFromLength(r.length,n),a=s.build(e,o),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=Ls[e];t===r[0]?(d.push(a),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class js extends ks{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),o=e.getPropertyName(n);e.addLineFlowCode(o+" = "+i,this);const a=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<a;e++){const r=Ls[e];r===t[l]?(u.push("1.0 - "+o+"."+r),l++):u.push(o+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class qs extends Vs{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}getNodeType(){return null===this.nodeType?Ns(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=Ns(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=Rs(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?Ss(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){console.warn("Abstract function.")}}class Xs extends qs{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return e.format(this.generateConst(e),r,t)}}let Ks=null;const Ys=new Map;function Qs(e,t){if(Ys.has(e))console.warn(`Redefinition of method chaining ${e}`);else{if("function"!=typeof t)throw new Error(`Node element ${e} is not a function`);Ys.set(e,t)}}const Zs=e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"),Js=e=>Zs(e).split("").sort().join(""),ei={setup(e,t){const r=t.shift();return e(Ai(r),...t)},get(e,t,r){if("string"==typeof t&&void 0===e[t]){if(!0!==e.isStackNode&&"assign"===t)return(...e)=>(Ks.assign(r,...e),r);if(Ys.has(t)){const s=Ys.get(t);return e.isStackNode?(...e)=>r.add(s(...e)):(...e)=>s(r,...e)}if("self"===t)return e;if(t.endsWith("Assign")&&Ys.has(t.slice(0,t.length-6))){const s=Ys.get(t.slice(0,t.length-6));return e.isStackNode?(...e)=>r.assign(e[0],s(...e)):(...e)=>r.assign(s(r,...e))}if(!0===/^[xyzwrgbastpq]{1,4}$/.test(t))return t=Zs(t),Si(new Ws(r,t));if(!0===/^set[XYZWRGBASTPQ]{1,4}$/.test(t))return t=Js(t.slice(3).toLowerCase()),r=>Si(new Hs(e,t,r));if(!0===/^flip[XYZWRGBASTPQ]{1,4}$/.test(t))return t=Js(t.slice(4).toLowerCase()),()=>Si(new js(Si(e),t));if("width"===t||"height"===t||"depth"===t)return"width"===t?t="x":"height"===t?t="y":"depth"===t&&(t="z"),Si(new Ws(e,t));if(!0===/^\d+$/.test(t))return Si(new Os(r,new Xs(Number(t),"uint")))}return Reflect.get(e,t,r)},set:(e,t,r,s)=>"string"!=typeof t||void 0!==e[t]||!0!==/^[xyzwrgbastpq]{1,4}$/.test(t)&&"width"!==t&&"height"!==t&&"depth"!==t&&!0!==/^\d+$/.test(t)?Reflect.set(e,t,r,s):(s[t].assign(r),!0)},ti=new WeakMap,ri=new WeakMap,si=function(e,t=null){for(const r in e)e[r]=Si(e[r],t);return e},ii=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=Si(e[s],t);return e},ni=function(e,t=null,r=null,s=null){const i=e=>Si(null!==s?Object.assign(e,s):e);return null===t?(...t)=>i(new e(...Ri(t))):null!==r?(r=Si(r),(...s)=>i(new e(t,...Ri(s),r))):(...r)=>i(new e(t,...Ri(r)))},oi=function(e,...t){return Si(new e(...Ri(t)))};class ai extends Vs{constructor(e,t){super(),this.shaderNode=e,this.inputNodes=t}getNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}call(e){const{shaderNode:t,inputNodes:r}=this,s=e.getNodeProperties(t);if(s.onceOutput)return s.onceOutput;let i=null;if(t.layout){let s=ri.get(e.constructor);void 0===s&&(s=new WeakMap,ri.set(e.constructor,s));let n=s.get(t);void 0===n&&(n=Si(e.buildFunctionNode(t)),s.set(t,n)),null!==e.currentFunctionNode&&e.currentFunctionNode.includes.push(n),i=Si(n.call(r))}else{const s=t.jsFunc,n=null!==r||s.length>1?s(r||[],e):s(e);i=Si(n)}return t.once&&(s.onceOutput=i),i}getOutputNode(e){const t=e.getNodeProperties(this);return null===t.outputNode&&(t.outputNode=this.setupOutput(e)),t.outputNode}setup(e){return this.getOutputNode(e)}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}generate(e,t){return this.getOutputNode(e).build(e,t)}}class ui extends Vs{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}call(e=null){return Ai(e),Si(new ai(this,e))}setup(){return this.call()}}const li=[!1,!0],di=[0,1,2,3],ci=[-1,-2],hi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],pi=new Map;for(const e of li)pi.set(e,new Xs(e));const gi=new Map;for(const e of di)gi.set(e,new Xs(e,"uint"));const mi=new Map([...gi].map((e=>new Xs(e.value,"int"))));for(const e of ci)mi.set(e,new Xs(e,"int"));const fi=new Map([...mi].map((e=>new Xs(e.value))));for(const e of hi)fi.set(e,new Xs(e));for(const e of hi)fi.set(-e,new Xs(-e));const yi={bool:pi,uint:gi,ints:mi,float:fi},xi=new Map([...pi,...fi]),bi=(e,t)=>xi.has(e)?xi.get(e):!0===e.isNode?e:new Xs(e,t),Ti=function(e,t=null){return(...r)=>{if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every((e=>"object"!=typeof e)))&&(r=[Ss(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return Si(t.get(r[0]));if(1===r.length){const t=bi(r[0],e);return(e=>{try{return e.getNodeType()}catch(e){return}})(t)===e?Si(t):Si(new Gs(t,e))}const s=r.map((e=>bi(e)));return Si(new zs(s,e))}},_i=e=>"object"==typeof e&&null!==e?e.value:e,vi=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function Ni(e,t){return new Proxy(new ui(e,t),ei)}const Si=(e,t=null)=>function(e,t=null){const r=Ns(e);if("node"===r){let t=ti.get(e);return void 0===t&&(t=new Proxy(e,ei),ti.set(e,t),ti.set(t,t)),t}return null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?Si(bi(e,t)):"shader"===r?wi(e):e}(e,t),Ai=(e,t=null)=>new si(e,t),Ri=(e,t=null)=>new ii(e,t),Ci=(...e)=>new ni(...e),Ei=(...e)=>new oi(...e),wi=(e,t)=>{const r=new Ni(e,t),s=(...e)=>{let t;return Ai(e),t=e[0]&&e[0].isNode?[...e]:e[0],r.call(t)};return s.shaderNode=r,s.setLayout=e=>(r.setLayout(e),s),s.once=()=>(r.once=!0,s),s};Qs("toGlobal",(e=>(e.global=!0,e)));const Mi=e=>{Ks=e},Bi=()=>Ks,Fi=(...e)=>Ks.If(...e);function Ui(e){return Ks&&Ks.add(e),e}Qs("append",Ui);const Pi=new Ti("color"),Ii=new Ti("float",yi.float),Li=new Ti("int",yi.ints),Di=new Ti("uint",yi.uint),Vi=new Ti("bool",yi.bool),Oi=new Ti("vec2"),Gi=new Ti("ivec2"),ki=new Ti("uvec2"),zi=new Ti("bvec2"),$i=new Ti("vec3"),Wi=new Ti("ivec3"),Hi=new Ti("uvec3"),ji=new Ti("bvec3"),qi=new Ti("vec4"),Xi=new Ti("ivec4"),Ki=new Ti("uvec4"),Yi=new Ti("bvec4"),Qi=new Ti("mat2"),Zi=new Ti("mat3"),Ji=new Ti("mat4");Qs("toColor",Pi),Qs("toFloat",Ii),Qs("toInt",Li),Qs("toUint",Di),Qs("toBool",Vi),Qs("toVec2",Oi),Qs("toIVec2",Gi),Qs("toUVec2",ki),Qs("toBVec2",zi),Qs("toVec3",$i),Qs("toIVec3",Wi),Qs("toUVec3",Hi),Qs("toBVec3",ji),Qs("toVec4",qi),Qs("toIVec4",Xi),Qs("toUVec4",Ki),Qs("toBVec4",Yi),Qs("toMat2",Qi),Qs("toMat3",Zi),Qs("toMat4",Ji);const en=Ci(Os),tn=(e,t)=>Si(new Gs(Si(e),t));Qs("element",en),Qs("convert",tn);class rn extends ks{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getNodeType(e){return null===this.nodeType&&(this.nodeType=this.values[0].getNodeType(e)),this.nodeType}getElementType(e){return this.getNodeType(e)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const sn=(...e)=>{let t;if(1===e.length){const r=e[0];t=new rn(null,r.length,r)}else{const r=e[0],s=e[1];t=new rn(r,s)}return Si(t)};Qs("toArray",((e,t)=>sn(Array(t).fill(e))));class nn extends Vs{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1){super("string"),this.name=e,this.shared=t,this.order=r,this.isUniformGroup=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const on=e=>new nn(e),an=(e,t=0)=>new nn(e,!0,t),un=an("frame"),ln=an("render"),dn=on("object");class cn extends qs{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=dn}label(e){return this.name=e,this}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){const r=this.getSelf();return e=e.bind(r),super.onUpdate((t=>{const s=e(t,r);void 0!==s&&(this.value=s)}),t)}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),o=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.label),a=e.getPropertyName(o);return void 0!==e.context.label&&delete e.context.label,e.format(a,r,t)}}const hn=(e,t)=>{const r=vi(t||e),s=e&&!0===e.isNode?e.node&&e.node.value||e.value:e;return Si(new cn(s,r))};class pn extends Vs{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1){super(e),this.name=t,this.varying=r,this.isPropertyNode=!0}getHash(e){return this.name||super.getHash(e)}isGlobal(){return!0}generate(e){let t;return!0===this.varying?(t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0):t=e.getVarFromNode(this,this.name),e.getPropertyName(t)}}const gn=(e,t)=>Si(new pn(e,t)),mn=(e,t)=>Si(new pn(e,t,!0)),fn=Ei(pn,"vec4","DiffuseColor"),yn=Ei(pn,"vec3","EmissiveColor"),xn=Ei(pn,"float","Roughness"),bn=Ei(pn,"float","Metalness"),Tn=Ei(pn,"float","Clearcoat"),_n=Ei(pn,"float","ClearcoatRoughness"),vn=Ei(pn,"vec3","Sheen"),Nn=Ei(pn,"float","SheenRoughness"),Sn=Ei(pn,"float","Iridescence"),An=Ei(pn,"float","IridescenceIOR"),Rn=Ei(pn,"float","IridescenceThickness"),Cn=Ei(pn,"float","AlphaT"),En=Ei(pn,"float","Anisotropy"),wn=Ei(pn,"vec3","AnisotropyT"),Mn=Ei(pn,"vec3","AnisotropyB"),Bn=Ei(pn,"color","SpecularColor"),Fn=Ei(pn,"float","SpecularF90"),Un=Ei(pn,"float","Shininess"),Pn=Ei(pn,"vec4","Output"),In=Ei(pn,"float","dashSize"),Ln=Ei(pn,"float","gapSize"),Dn=Ei(pn,"float","pointWidth"),Vn=Ei(pn,"float","IOR"),On=Ei(pn,"float","Transmission"),Gn=Ei(pn,"float","Thickness"),kn=Ei(pn,"float","AttenuationDistance"),zn=Ei(pn,"color","AttenuationColor"),$n=Ei(pn,"float","Dispersion");class Wn extends ks{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t}hasDependencies(){return!1}getNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return Ls.join("").slice(0,r)!==t.components}return!1}generate(e,t){const{targetNode:r,sourceNode:s}=this,i=this.needsSplitAssign(e),n=r.getNodeType(e),o=r.context({assign:!0}).build(e),a=s.build(e,n),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=o);else if(i){const s=e.getVarFromNode(this,null,n),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${a}`,this);const u=r.node.context({assign:!0}).build(e);for(let t=0;t<r.components.length;t++){const s=r.components[t];e.addLineFlowCode(`${u}.${s} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=o)}else d=`${o} = ${a}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=o));return l.initialized=!0,e.format(d,n,t)}}const Hn=Ci(Wn);Qs("assign",Hn);class jn extends ks{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}getNodeType(e){return this.functionNode.getNodeType(e)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i))for(let e=0;e<i.length;e++)t.push(n(i[e],s[e]));else for(const e of s){const r=i[e.name];if(void 0===r)throw new Error(`FunctionCallNode: Input '${e.name}' not found in FunctionNode.`);t.push(n(r,e))}return`${r.build(e,"property")}( ${t.join(", ")} )`}}const qn=(e,...t)=>(t=t.length>1||t[0]&&!0===t[0].isNode?Ri(t):Ai(t[0]),Si(new jn(Si(e),t)));Qs("call",qn);class Xn extends ks{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new Xn(e,t,r);for(let t=0;t<s.length-1;t++)i=new Xn(e,i,s[t]);t=i,r=s[s.length-1]}this.op=e,this.aNode=t,this.bNode=r,this.isOperatorNode=!0}getNodeType(e,t){const r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),o=void 0!==i?i.getNodeType(e):null;if("void"===n||"void"===o)return"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("!"===r||"=="===r||"&&"===r||"||"===r||"^^"===r)return"bool";if("<"===r||">"===r||"<="===r||">="===r){const r=t?e.getTypeLength(t):Math.max(e.getTypeLength(n),e.getTypeLength(o));return r>1?`bvec${r}`:"bool"}if(e.isMatrix(n)){if("float"===o)return n;if(e.isVector(o))return e.getVectorFromMatrix(n);if(e.isMatrix(o))return n}else if(e.isMatrix(o)){if("float"===n)return o;if(e.isVector(n))return e.getVectorFromMatrix(o)}return e.getTypeLength(o)>e.getTypeLength(n)?o:n}generate(e,t){const r=this.op,s=this.aNode,i=this.bNode,n=this.getNodeType(e,t);let o=null,a=null;"void"!==n?(o=s.getNodeType(e),a=void 0!==i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r?e.isVector(o)?a=o:o!==a&&(o=a="float"):">>"===r||"<<"===r?(o=n,a=e.changeComponentType(a,"uint")):e.isMatrix(o)?"float"===a?a="float":e.isVector(a)?a=e.getVectorFromMatrix(o):e.isMatrix(a)||(o=a=n):o=e.isMatrix(a)?"float"===o?"float":e.isVector(o)?e.getVectorFromMatrix(a):a=n:a=n):o=a=n;const u=s.build(e,o),l=void 0!==i?i.build(e,a):null,d=e.getTypeLength(t),c=e.getFunctionOperator(r);return"void"!==t?"<"===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("lessThan",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} < ${l} )`,n,t):"<="===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("lessThanEqual",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} <= ${l} )`,n,t):">"===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("greaterThan",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} > ${l} )`,n,t):">="===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("greaterThanEqual",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} >= ${l} )`,n,t):"!"===r||"~"===r?e.format(`(${r}${u})`,o,t):c?e.format(`${c}( ${u}, ${l} )`,n,t):e.isMatrix(o)&&"float"===a?e.format(`( ${l} ${r} ${u} )`,n,t):"float"===o&&e.isMatrix(a)?e.format(`${u} ${r} ${l}`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t):"void"!==o?c?e.format(`${c}( ${u}, ${l} )`,n,t):e.isMatrix(o)&&"float"===a?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t):void 0}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Kn=Ci(Xn,"+"),Yn=Ci(Xn,"-"),Qn=Ci(Xn,"*"),Zn=Ci(Xn,"/"),Jn=Ci(Xn,"%"),eo=Ci(Xn,"=="),to=Ci(Xn,"!="),ro=Ci(Xn,"<"),so=Ci(Xn,">"),io=Ci(Xn,"<="),no=Ci(Xn,">="),oo=Ci(Xn,"&&"),ao=Ci(Xn,"||"),uo=Ci(Xn,"!"),lo=Ci(Xn,"^^"),co=Ci(Xn,"&"),ho=Ci(Xn,"~"),po=Ci(Xn,"|"),go=Ci(Xn,"^"),mo=Ci(Xn,"<<"),fo=Ci(Xn,">>");Qs("add",Kn),Qs("sub",Yn),Qs("mul",Qn),Qs("div",Zn),Qs("modInt",Jn),Qs("equal",eo),Qs("notEqual",to),Qs("lessThan",ro),Qs("greaterThan",so),Qs("lessThanEqual",io),Qs("greaterThanEqual",no),Qs("and",oo),Qs("or",ao),Qs("not",uo),Qs("xor",lo),Qs("bitAnd",co),Qs("bitNot",ho),Qs("bitOr",po),Qs("bitXor",go),Qs("shiftLeft",mo),Qs("shiftRight",fo);const yo=(...e)=>(console.warn("TSL.OperatorNode: .remainder() has been renamed to .modInt()."),Jn(...e));Qs("remainder",yo);class xo extends ks{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){super(),this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),o=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>o?t:n>o?r:o>i?s:t}getNodeType(e){const t=this.method;return t===xo.LENGTH||t===xo.DISTANCE||t===xo.DOT?"float":t===xo.CROSS?"vec3":t===xo.ALL?"bool":t===xo.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):t===xo.MOD?this.aNode.getNodeType(e):this.getInputType(e)}generate(e,t){let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,o=this.bNode,a=this.cNode,u=e.renderer.coordinateSystem;if(r===xo.TRANSFORM_DIRECTION){let r=n,s=o;e.isMatrix(r.getNodeType(e))?s=qi($i(s),0):r=qi($i(r),0);const i=Qn(r,s).xyz;return Io(i).build(e,t)}if(r===xo.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);if(r===xo.ONE_MINUS)return Yn(1,n).build(e,t);if(r===xo.RECIPROCAL)return Zn(1,n).build(e,t);if(r===xo.DIFFERENCE)return $o(Yn(n,o)).build(e,t);{const c=[];return r===xo.CROSS||r===xo.MOD?c.push(n.build(e,s),o.build(e,s)):u===l&&r===xo.STEP?c.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),o.build(e,i)):u===l&&(r===xo.MIN||r===xo.MAX)||r===xo.MOD?c.push(n.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):r===xo.REFRACT?c.push(n.build(e,i),o.build(e,i),a.build(e,"float")):r===xo.MIX?c.push(n.build(e,i),o.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)):(u===d&&r===xo.ATAN&&null!==o&&(r="atan2"),c.push(n.build(e,i)),null!==o&&c.push(o.build(e,i)),null!==a&&c.push(a.build(e,i))),e.format(`${e.getMethod(r,s)}( ${c.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}xo.ALL="all",xo.ANY="any",xo.RADIANS="radians",xo.DEGREES="degrees",xo.EXP="exp",xo.EXP2="exp2",xo.LOG="log",xo.LOG2="log2",xo.SQRT="sqrt",xo.INVERSE_SQRT="inversesqrt",xo.FLOOR="floor",xo.CEIL="ceil",xo.NORMALIZE="normalize",xo.FRACT="fract",xo.SIN="sin",xo.COS="cos",xo.TAN="tan",xo.ASIN="asin",xo.ACOS="acos",xo.ATAN="atan",xo.ABS="abs",xo.SIGN="sign",xo.LENGTH="length",xo.NEGATE="negate",xo.ONE_MINUS="oneMinus",xo.DFDX="dFdx",xo.DFDY="dFdy",xo.ROUND="round",xo.RECIPROCAL="reciprocal",xo.TRUNC="trunc",xo.FWIDTH="fwidth",xo.TRANSPOSE="transpose",xo.BITCAST="bitcast",xo.EQUALS="equals",xo.MIN="min",xo.MAX="max",xo.MOD="mod",xo.STEP="step",xo.REFLECT="reflect",xo.DISTANCE="distance",xo.DIFFERENCE="difference",xo.DOT="dot",xo.CROSS="cross",xo.POW="pow",xo.TRANSFORM_DIRECTION="transformDirection",xo.MIX="mix",xo.CLAMP="clamp",xo.REFRACT="refract",xo.SMOOTHSTEP="smoothstep",xo.FACEFORWARD="faceforward";const bo=Ii(1e-6),To=Ii(1e6),_o=Ii(Math.PI),vo=Ii(2*Math.PI),No=Ci(xo,xo.ALL),So=Ci(xo,xo.ANY),Ao=Ci(xo,xo.RADIANS),Ro=Ci(xo,xo.DEGREES),Co=Ci(xo,xo.EXP),Eo=Ci(xo,xo.EXP2),wo=Ci(xo,xo.LOG),Mo=Ci(xo,xo.LOG2),Bo=Ci(xo,xo.SQRT),Fo=Ci(xo,xo.INVERSE_SQRT),Uo=Ci(xo,xo.FLOOR),Po=Ci(xo,xo.CEIL),Io=Ci(xo,xo.NORMALIZE),Lo=Ci(xo,xo.FRACT),Do=Ci(xo,xo.SIN),Vo=Ci(xo,xo.COS),Oo=Ci(xo,xo.TAN),Go=Ci(xo,xo.ASIN),ko=Ci(xo,xo.ACOS),zo=Ci(xo,xo.ATAN),$o=Ci(xo,xo.ABS),Wo=Ci(xo,xo.SIGN),Ho=Ci(xo,xo.LENGTH),jo=Ci(xo,xo.NEGATE),qo=Ci(xo,xo.ONE_MINUS),Xo=Ci(xo,xo.DFDX),Ko=Ci(xo,xo.DFDY),Yo=Ci(xo,xo.ROUND),Qo=Ci(xo,xo.RECIPROCAL),Zo=Ci(xo,xo.TRUNC),Jo=Ci(xo,xo.FWIDTH),ea=Ci(xo,xo.TRANSPOSE),ta=Ci(xo,xo.BITCAST),ra=Ci(xo,xo.EQUALS),sa=Ci(xo,xo.MIN),ia=Ci(xo,xo.MAX),na=Ci(xo,xo.MOD),oa=Ci(xo,xo.STEP),aa=Ci(xo,xo.REFLECT),ua=Ci(xo,xo.DISTANCE),la=Ci(xo,xo.DIFFERENCE),da=Ci(xo,xo.DOT),ca=Ci(xo,xo.CROSS),ha=Ci(xo,xo.POW),pa=Ci(xo,xo.POW,2),ga=Ci(xo,xo.POW,3),ma=Ci(xo,xo.POW,4),fa=Ci(xo,xo.TRANSFORM_DIRECTION),ya=e=>Qn(Wo(e),ha($o(e),1/3)),xa=e=>da(e,e),ba=Ci(xo,xo.MIX),Ta=(e,t=0,r=1)=>Si(new xo(xo.CLAMP,Si(e),Si(t),Si(r))),_a=e=>Ta(e),va=Ci(xo,xo.REFRACT),Na=Ci(xo,xo.SMOOTHSTEP),Sa=Ci(xo,xo.FACEFORWARD),Aa=wi((([e])=>{const t=da(e.xy,Oi(12.9898,78.233)),r=na(t,_o);return Lo(Do(r).mul(43758.5453))})),Ra=(e,t,r)=>ba(t,r,e),Ca=(e,t,r)=>Na(t,r,e),Ea=(e,t)=>(console.warn('THREE.TSL: "atan2" is overloaded. Use "atan" instead.'),zo(e,t)),wa=Sa,Ma=Fo;Qs("all",No),Qs("any",So),Qs("equals",ra),Qs("radians",Ao),Qs("degrees",Ro),Qs("exp",Co),Qs("exp2",Eo),Qs("log",wo),Qs("log2",Mo),Qs("sqrt",Bo),Qs("inverseSqrt",Fo),Qs("floor",Uo),Qs("ceil",Po),Qs("normalize",Io),Qs("fract",Lo),Qs("sin",Do),Qs("cos",Vo),Qs("tan",Oo),Qs("asin",Go),Qs("acos",ko),Qs("atan",zo),Qs("abs",$o),Qs("sign",Wo),Qs("length",Ho),Qs("lengthSq",xa),Qs("negate",jo),Qs("oneMinus",qo),Qs("dFdx",Xo),Qs("dFdy",Ko),Qs("round",Yo),Qs("reciprocal",Qo),Qs("trunc",Zo),Qs("fwidth",Jo),Qs("atan2",Ea),Qs("min",sa),Qs("max",ia),Qs("mod",na),Qs("step",oa),Qs("reflect",aa),Qs("distance",ua),Qs("dot",da),Qs("cross",ca),Qs("pow",ha),Qs("pow2",pa),Qs("pow3",ga),Qs("pow4",ma),Qs("transformDirection",fa),Qs("mix",Ra),Qs("clamp",Ta),Qs("refract",va),Qs("smoothstep",Ca),Qs("faceForward",Sa),Qs("difference",la),Qs("saturate",_a),Qs("cbrt",ya),Qs("transpose",ea),Qs("rand",Aa);class Ba extends Vs{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}getNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return this.setup(e),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode.cache(),r=this.ifNode.cache(),s=this.elseNode?this.elseNode.cache():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.getNodeProperties(this);n.condNode=t,n.ifNode=r.context({nodeBlock:r}),n.elseNode=s?s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:o}=e.getNodeProperties(this),a="void"!==t,u=a?gn(r).build(e):"";s.nodeProperty=u;const l=i.build(e,"bool");e.addFlowCode(`\n${e.tab}if ( ${l} ) {\n\n`).addFlowTab();let d=n.build(e,r);if(d&&(d=a?u+" = "+d+";":"return "+d+";"),e.removeFlowTab().addFlowCode(e.tab+"\t"+d+"\n\n"+e.tab+"}"),null!==o){e.addFlowCode(" else {\n\n").addFlowTab();let t=o.build(e,r);t&&(t=a?u+" = "+t+";":"return "+t+";"),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(u,r,t)}}const Fa=Ci(Ba);Qs("select",Fa);const Ua=(...e)=>(console.warn("TSL.ConditionalNode: cond() has been renamed to select()."),Fa(...e));Qs("cond",Ua);class Pa extends Vs{static get type(){return"ContextNode"}constructor(e,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}getNodeType(e){return this.node.getNodeType(e)}analyze(e){this.node.build(e)}setup(e){const t=e.getContext();e.setContext({...e.context,...this.value});const r=this.node.build(e);return e.setContext(t),r}generate(e,t){const r=e.getContext();e.setContext({...e.context,...this.value});const s=this.node.build(e,t);return e.setContext(r),s}}const Ia=Ci(Pa),La=(e,t)=>Ia(e,{label:t});Qs("context",Ia),Qs("label",La);class Da extends Vs{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r}getHash(e){return this.name||super.getHash(e)}getElementType(e){return this.node.getElementType(e)}getNodeType(e){return this.node.getNodeType(e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let o=!1,a=!1;s&&(o=e.isDeterministic(t),a=n?s:o);const u=e.getVectorType(this.getNodeType(e)),l=t.build(e,u),d=e.getVarFromNode(this,r,u,void 0,a),c=e.getPropertyName(d);let h=c;if(a)if(n)h=o?`const ${c}`:`let ${c}`;else{const r=e.getArrayCount(t);h=`const ${e.getVar(d.type,c,r)}`}return e.addLineFlowCode(`${h} = ${l}`,this),c}}const Va=Ci(Da),Oa=(e,t=null)=>Va(e,t).append(),Ga=(e,t=null)=>Va(e,t,!0).append();Qs("toVar",Oa),Qs("toConst",Ga);const ka=e=>(console.warn('TSL: "temp( node )" is deprecated. Use "Var( node )" or "node.toVar()" instead.'),Va(e));Qs("temp",ka);class za extends Vs{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=e,this.name=t,this.isVaryingNode=!0}isGlobal(){return!0}getHash(e){return this.name||super.getHash(e)}getNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e);t.varying=r=e.getVaryingFromNode(this,s,i),t.node=this.node}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e)}analyze(e){return this.setupVarying(e),this.node.analyze(e)}generate(e){const t=e.getNodeProperties(this),r=this.setupVarying(e),s="fragment"===e.shaderStage&&!0===t.reassignPosition&&e.context.needsPositionReassign;if(void 0===t.propertyName||s){const i=this.getNodeType(e),n=e.getPropertyName(r,ws.VERTEX);e.flowNodeFromShaderStage(ws.VERTEX,this.node,i,n),t.propertyName=n,s?t.reassignPosition=!1:void 0===t.reassignPosition&&e.context.isPositionNodeInput&&(t.reassignPosition=!0)}return e.getPropertyName(r)}}const $a=Ci(za),Wa=e=>$a(e);Qs("toVarying",$a),Qs("toVertexStage",Wa),Qs("varying",((...e)=>(console.warn("TSL.VaryingNode: .varying() has been renamed to .toVarying()."),$a(...e)))),Qs("vertexStage",((...e)=>(console.warn("TSL.VaryingNode: .vertexStage() has been renamed to .toVertexStage()."),$a(...e))));const Ha=wi((([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return ba(t,r,s)})).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),ja=wi((([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return ba(t,r,s)})).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),qa="WorkingColorSpace",Xa="OutputColorSpace";class Ka extends ks{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===qa?c.workingColorSpace:t===Xa?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==c.enabled&&r!==s&&r&&s?(c.getTransfer(r)===h&&(i=qi(Ha(i.rgb),i.a)),c.getPrimaries(r)!==c.getPrimaries(s)&&(i=qi(Zi(c._getMatrix(new n,r,s)).mul(i.rgb),i.a)),c.getTransfer(s)===h&&(i=qi(ja(i.rgb),i.a)),i):i}}const Ya=e=>Si(new Ka(Si(e),qa,Xa)),Qa=e=>Si(new Ka(Si(e),Xa,qa)),Za=(e,t)=>Si(new Ka(Si(e),qa,t)),Ja=(e,t)=>Si(new Ka(Si(e),t,qa));Qs("toOutputColorSpace",Ya),Qs("toWorkingColorSpace",Qa),Qs("workingToColorSpace",Za),Qs("colorSpaceToWorking",Ja);let eu=class extends Os{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class tu extends Vs{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=Ms.OBJECT}setGroup(e){return this.group=e,this}element(e){return Si(new eu(this,Si(e)))}setNodeType(e){const t=hn(null,e).getSelf();null!==this.group&&t.setGroup(this.group),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class ru extends tu{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(ln)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const su=(e,t,r=null)=>Si(new ru(e,t,r));class iu extends ks{static get type(){return"ToneMappingNode"}constructor(e,t=ou,r=null){super("vec3"),this.toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return ms(this.toneMapping)}setup(e){const t=this.colorNode||e.context.color,r=this.toneMapping;if(r===p)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=qi(i(t.rgb,this.exposureNode),t.a):(console.error("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const nu=(e,t,r)=>Si(new iu(e,Si(t),Si(r))),ou=su("toneMappingExposure","float");Qs("toneMapping",((e,t,r)=>nu(t,r,e)));class au extends qs{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=g,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){if(0===this.bufferStride&&0===this.bufferOffset){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=this.value,s=e.getTypeLength(t),i=this.bufferStride||s,n=this.bufferOffset,o=!0===r.isInterleavedBuffer?r:new m(r,i),a=new y(o,s,n);o.setUsage(this.usage),this.attribute=a,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.getBufferAttributeFromNode(this,t),s=e.getPropertyName(r);let i=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=s,i=s;else{i=$a(this).build(e,t)}return i}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}const uu=(e,t=null,r=0,s=0)=>Si(new au(e,t,r,s)),lu=(e,t=null,r=0,s=0)=>uu(e,t,r,s).setUsage(f),du=(e,t=null,r=0,s=0)=>uu(e,t,r,s).setInstanced(!0),cu=(e,t=null,r=0,s=0)=>lu(e,t,r,s).setInstanced(!0);Qs("toAttribute",(e=>uu(e.value)));class hu extends Vs{static get type(){return"ComputeNode"}constructor(e,t,r=[64]){super("void"),this.isComputeNode=!0,this.computeNode=e,this.count=t,this.workgroupSize=r,this.dispatchCount=0,this.version=1,this.name="",this.updateBeforeType=Ms.OBJECT,this.onInitFunction=null,this.updateDispatchCount()}dispose(){this.dispatchEvent({type:"dispose"})}label(e){return this.name=e,this}updateDispatchCount(){const{count:e,workgroupSize:t}=this;let r=t[0];for(let e=1;e<t.length;e++)r*=t[e];this.dispatchCount=Math.ceil(e/r)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}generate(e){const{shaderStage:t}=e;if("compute"===t){const t=this.computeNode.build(e,"void");""!==t&&e.addLineFlowCode(t,this)}}}const pu=(e,t,r)=>Si(new hu(Si(e),t,r));Qs("compute",pu);class gu extends Vs{static get type(){return"CacheNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isCacheNode=!0}getNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}}const mu=(e,t)=>Si(new gu(Si(e),t));Qs("cache",mu);class fu extends Vs{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}getNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const yu=Ci(fu);Qs("bypass",yu);class xu extends Vs{static get type(){return"RemapNode"}constructor(e,t,r,s=Ii(0),i=Ii(1)){super(),this.node=e,this.inLowNode=t,this.inHighNode=r,this.outLowNode=s,this.outHighNode=i,this.doClamp=!0}setup(){const{node:e,inLowNode:t,inHighNode:r,outLowNode:s,outHighNode:i,doClamp:n}=this;let o=e.sub(t).div(r.sub(t));return!0===n&&(o=o.clamp()),o.mul(i.sub(s)).add(s)}}const bu=Ci(xu,null,null,{doClamp:!1}),Tu=Ci(xu);Qs("remap",bu),Qs("remapClamp",Tu);class _u extends Vs{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(`( ${s} )`,r,t);e.addLineFlowCode(s,this)}}const vu=Ci(_u),Nu=e=>(e?Fa(e,vu("discard")):vu("discard")).append();Qs("discard",Nu);class Su extends ks{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setup({context:e}){let t=this.colorNode||e.color;const r=(null!==this.toneMapping?this.toneMapping:e.toneMapping)||p,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||x;return r!==p&&(t=t.toneMapping(r)),s!==x&&s!==c.workingColorSpace&&(t=t.workingToColorSpace(s)),t}}const Au=(e,t=null,r=null)=>Si(new Su(Si(e),t,r));Qs("renderOutput",Au);class Ru extends Vs{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}getNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return $a(this).build(e,r)}return console.warn(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const Cu=(e,t)=>Si(new Ru(e,t)),Eu=(e=0)=>Cu("uv"+(e>0?e:""),"vec2");class wu extends Vs{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const Mu=Ci(wu);class Bu extends cn{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=Ms.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Fu=Ci(Bu);class Uu extends cn{static get type(){return"TextureNode"}constructor(e,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=Ms.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return!0===this.value.isDepthTexture?"float":this.value.type===b?"uvec4":this.value.type===T?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return Eu(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=hn(this.value.matrix)),this._matrixUniform.mul($i(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this.updateType=e?Ms.RENDER:Ms.NONE,this}setupUV(e,t){const r=this.value;return e.isFlipY()&&(r.image instanceof ImageBitmap&&!0===r.flipY||!0===r.isRenderTargetTexture||!0===r.isFramebufferTexture||!0===r.isDepthTexture)&&(t=this.sampler?t.flipY():t.setY(Li(Mu(this,this.levelNode).y).sub(t.y).sub(1))),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Error("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().");let s=this.uvNode;null!==s&&!0!==e.context.forceUVContext||!e.context.getUV||(s=e.context.getUV(this)),s||(s=this.getDefaultUV()),!0===this.updateMatrix&&(s=this.getTransformedUV(s)),s=this.setupUV(e,s);let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this)),t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=this.compareNode,t.gradNode=this.gradNode,t.depthNode=this.depthNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateSnippet(e,t,r,s,i,n,o,a){const u=this.value;let l;return l=s?e.generateTextureLevel(u,t,r,s,n):i?e.generateTextureBias(u,t,r,i,n):a?e.generateTextureGrad(u,t,r,a,n):o?e.generateTextureCompare(u,t,r,o,n):!1===this.sampler?e.generateTextureLoad(u,t,r,n):e.generateTexture(u,t,r,n),l}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if("sampler"===t)return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this);let o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:r,biasNode:a,compareNode:u,depthNode:l,gradNode:d}=s,c=this.generateUV(e,t),h=r?r.build(e,"float"):null,p=a?a.build(e,"float"):null,g=l?l.build(e,"int"):null,m=u?u.build(e,"float"):null,f=d?[d[0].build(e,"vec2"),d[1].build(e,"vec2")]:null,y=e.getVarFromNode(this);o=e.getPropertyName(y);const x=this.generateSnippet(e,i,c,h,p,g,m,f);e.addLineFlowCode(`${o} = ${x}`,this),n.snippet=x,n.propertyName=o}let a=o;const u=this.getNodeType(e);return e.needsToWorkingColorSpace(r)&&(a=Ja(vu(a,u),r.colorSpace).setup(e).build(e,u)),e.format(a,u,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}uv(e){return console.warn("THREE.TextureNode: .uv() has been renamed. Use .sample() instead."),this.sample(e)}sample(e){const t=this.clone();return t.uvNode=Si(e),t.referenceNode=this.getSelf(),Si(t)}blur(e){const t=this.clone();return t.biasNode=Si(e).mul(Fu(t)),t.referenceNode=this.getSelf(),Si(t)}level(e){const t=this.clone();return t.levelNode=Si(e),t.referenceNode=this.getSelf(),Si(t)}size(e){return Mu(this,e)}bias(e){const t=this.clone();return t.biasNode=Si(e),t.referenceNode=this.getSelf(),Si(t)}compare(e){const t=this.clone();return t.compareNode=Si(e),t.referenceNode=this.getSelf(),Si(t)}grad(e,t){const r=this.clone();return r.gradNode=[Si(e),Si(t)],r.referenceNode=this.getSelf(),Si(r)}depth(e){const t=this.clone();return t.depthNode=Si(e),t.referenceNode=this.getSelf(),Si(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix()}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e}}const Pu=Ci(Uu),Iu=(...e)=>Pu(...e).setSampler(!1);class Lu extends cn{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const Du=(e,t,r)=>Si(new Lu(e,t,r));class Vu extends Os{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(),s=this.node.getPaddedType();return e.format(t,s,r)}}class Ou extends Lu{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?Ns(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=Ms.RENDER,this.isArrayBufferNode=!0}getNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,super.setup(e)}element(e){return Si(new Vu(this,Si(e)))}}const Gu=(e,t)=>Si(new Ou(e,t)),ku=hn(0,"uint").setGroup(an("cameraIndex")).toVarying("v_cameraIndex"),zu=hn("float").label("cameraNear").setGroup(ln).onRenderUpdate((({camera:e})=>e.near)),$u=hn("float").label("cameraFar").setGroup(ln).onRenderUpdate((({camera:e})=>e.far)),Wu=wi((({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);t=Gu(r).setGroup(ln).label("cameraProjectionMatrices").element(ku).toVar("cameraProjectionMatrix")}else t=hn("mat4").label("cameraProjectionMatrix").setGroup(ln).onRenderUpdate((({camera:e})=>e.projectionMatrix));return t})).once()(),Hu=hn("mat4").label("cameraProjectionMatrixInverse").setGroup(ln).onRenderUpdate((({camera:e})=>e.projectionMatrixInverse)),ju=wi((({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);t=Gu(r).setGroup(ln).label("cameraViewMatrices").element(ku).toVar("cameraViewMatrix")}else t=hn("mat4").label("cameraViewMatrix").setGroup(ln).onRenderUpdate((({camera:e})=>e.matrixWorldInverse));return t})).once()(),qu=hn("mat4").label("cameraWorldMatrix").setGroup(ln).onRenderUpdate((({camera:e})=>e.matrixWorld)),Xu=hn("mat3").label("cameraNormalMatrix").setGroup(ln).onRenderUpdate((({camera:e})=>e.normalMatrix)),Ku=hn(new r).label("cameraPosition").setGroup(ln).onRenderUpdate((({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld)));class Yu extends Vs{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=Ms.OBJECT,this._uniformNode=new cn(null)}getNodeType(){const e=this.scope;return e===Yu.WORLD_MATRIX?"mat4":e===Yu.POSITION||e===Yu.VIEW_POSITION||e===Yu.DIRECTION||e===Yu.SCALE?"vec3":void 0}update(e){const t=this.object3d,s=this._uniformNode,i=this.scope;if(i===Yu.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===Yu.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===Yu.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===Yu.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===Yu.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}}generate(e){const t=this.scope;return t===Yu.WORLD_MATRIX?this._uniformNode.nodeType="mat4":t!==Yu.POSITION&&t!==Yu.VIEW_POSITION&&t!==Yu.DIRECTION&&t!==Yu.SCALE||(this._uniformNode.nodeType="vec3"),this._uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}Yu.WORLD_MATRIX="worldMatrix",Yu.POSITION="position",Yu.SCALE="scale",Yu.VIEW_POSITION="viewPosition",Yu.DIRECTION="direction";const Qu=Ci(Yu,Yu.DIRECTION),Zu=Ci(Yu,Yu.WORLD_MATRIX),Ju=Ci(Yu,Yu.POSITION),el=Ci(Yu,Yu.SCALE),tl=Ci(Yu,Yu.VIEW_POSITION);class rl extends Yu{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const sl=Ei(rl,rl.DIRECTION),il=Ei(rl,rl.WORLD_MATRIX),nl=Ei(rl,rl.POSITION),ol=Ei(rl,rl.SCALE),al=Ei(rl,rl.VIEW_POSITION),ul=hn(new n).onObjectUpdate((({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld))),ll=hn(new o).onObjectUpdate((({object:e},t)=>t.value.copy(e.matrixWorld).invert())),dl=wi((e=>e.renderer.nodes.modelViewMatrix||cl)).once()().toVar("modelViewMatrix"),cl=ju.mul(il),hl=wi((e=>(e.context.isHighPrecisionModelViewMatrix=!0,hn("mat4").onObjectUpdate((({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))))).once()().toVar("highpModelViewMatrix"),pl=wi((e=>{const t=e.context.isHighPrecisionModelViewMatrix;return hn("mat3").onObjectUpdate((({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix))))})).once()().toVar("highpModelNormalViewMatrix"),gl=Cu("position","vec3"),ml=gl.toVarying("positionLocal"),fl=gl.toVarying("positionPrevious"),yl=il.mul(ml).xyz.toVarying("v_positionWorld").context({needsPositionReassign:!0}),xl=ml.transformDirection(il).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection").context({needsPositionReassign:!0}),bl=wi((e=>e.context.setupPositionView()),"vec3").once()().toVarying("v_positionView").context({needsPositionReassign:!0}),Tl=bl.negate().toVarying("v_positionViewDirection").normalize().toVar("positionViewDirection");class _l extends Vs{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){const{renderer:t,material:r}=e;return t.coordinateSystem===l&&r.side===_?"false":e.getFrontFacing()}}const vl=Ei(_l),Nl=Ii(vl).mul(2).sub(1),Sl=Cu("normal","vec3"),Al=wi((e=>!1===e.geometry.hasAttribute("normal")?(console.warn('TSL.NormalNode: Vertex attribute "normal" not found on geometry.'),$i(0,1,0)):Sl),"vec3").once()().toVar("normalLocal"),Rl=bl.dFdx().cross(bl.dFdy()).normalize().toVar("normalFlat"),Cl=wi((e=>{let t;return t=!0===e.material.flatShading?Rl:$a(Ul(Al),"v_normalView").normalize(),t}),"vec3").once()().toVar("normalView"),El=$a(Cl.transformDirection(ju),"v_normalWorld").normalize().toVar("normalWorld"),wl=wi((e=>e.context.setupNormal().context({getUV:null})),"vec3").once()().mul(Nl).toVar("transformedNormalView"),Ml=wl.transformDirection(ju).toVar("transformedNormalWorld"),Bl=wi((e=>e.context.setupClearcoatNormal().context({getUV:null})),"vec3").once()().mul(Nl).toVar("transformedClearcoatNormalView"),Fl=wi((([e,t=il])=>{const r=Zi(t),s=e.div($i(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2])));return r.mul(s).xyz})),Ul=wi((([e],t)=>{const r=t.renderer.nodes.modelNormalViewMatrix;if(null!==r)return r.transformDirection(e);const s=ul.mul(e);return ju.transformDirection(s)})),Pl=hn(0).onReference((({material:e})=>e)).onRenderUpdate((({material:e})=>e.refractionRatio)),Il=Tl.negate().reflect(wl),Ll=Tl.negate().refract(wl,Pl),Dl=Il.transformDirection(ju).toVar("reflectVector"),Vl=Ll.transformDirection(ju).toVar("reflectVector");class Ol extends Uu{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===v?Dl:e.mapping===N?Vl:(console.error('THREE.CubeTextureNode: Mapping "%s" not supported.',e.mapping),$i(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return e.renderer.coordinateSystem!==d&&r.isRenderTargetTexture?t:$i(t.x.negate(),t.yz)}generateUV(e,t){return t.build(e,"vec3")}}const Gl=Ci(Ol);class kl extends Os{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}}class zl extends Vs{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=Ms.OBJECT}element(e){return Si(new kl(this,Si(e)))}setGroup(e){return this.group=e,this}label(e){return this.name=e,this}setNodeType(e){let t=null;t=null!==this.count?Du(null,e,this.count):Array.isArray(this.getValueFromReference())?Gu(null,e):"texture"===e?Pu(null):"cubeTexture"===e?Gl(null):hn(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.label(this.name),this.node=t.getSelf()}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const $l=(e,t,r)=>Si(new zl(e,t,r)),Wl=(e,t,r,s)=>Si(new zl(e,t,s,r));class Hl extends zl{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const jl=(e,t,r=null)=>Si(new Hl(e,t,r)),ql=wi((e=>(!1===e.geometry.hasAttribute("tangent")&&e.geometry.computeTangents(),Cu("tangent","vec4"))))(),Xl=ql.xyz.toVar("tangentLocal"),Kl=dl.mul(qi(Xl,0)).xyz.toVarying("v_tangentView").normalize().toVar("tangentView"),Yl=Kl.transformDirection(ju).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),Ql=Kl.toVar("transformedTangentView"),Zl=Ql.transformDirection(ju).normalize().toVar("transformedTangentWorld"),Jl=e=>e.mul(ql.w).xyz,ed=$a(Jl(Sl.cross(ql)),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),td=$a(Jl(Al.cross(Xl)),"v_bitangentLocal").normalize().toVar("bitangentLocal"),rd=$a(Jl(Cl.cross(Kl)),"v_bitangentView").normalize().toVar("bitangentView"),sd=$a(Jl(El.cross(Yl)),"v_bitangentWorld").normalize().toVar("bitangentWorld"),id=Jl(wl.cross(Ql)).normalize().toVar("transformedBitangentView"),nd=id.transformDirection(ju).normalize().toVar("transformedBitangentWorld"),od=Zi(Kl,rd,Cl),ad=Tl.mul(od),ud=(()=>{let e=Mn.cross(Tl);return e=e.cross(Mn).normalize(),e=ba(e,wl,En.mul(xn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e})(),ld=wi((e=>{const{eye_pos:t,surf_norm:r,mapN:s,uv:i}=e,n=t.dFdx(),o=t.dFdy(),a=i.dFdx(),u=i.dFdy(),l=r,d=o.cross(l),c=l.cross(n),h=d.mul(a.x).add(c.mul(u.x)),p=d.mul(a.y).add(c.mul(u.y)),g=h.dot(h).max(p.dot(p)),m=Nl.mul(g.inverseSqrt());return Kn(h.mul(s.x,m),p.mul(s.y,m),l.mul(s.z)).normalize()}));class dd extends ks{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=S}setup(e){const{normalMapType:t,scaleNode:r}=this;let s=this.node.mul(2).sub(1);null!==r&&(s=$i(s.xy.mul(r),s.z));let i=null;if(t===A)i=Ul(s);else if(t===S){i=!0===e.hasGeometryAttribute("tangent")?od.mul(s).normalize():ld({eye_pos:bl,surf_norm:Cl,mapN:s,uv:Eu()})}return i}}const cd=Ci(dd),hd=wi((({textureNode:e,bumpScale:t})=>{const r=t=>e.cache().context({getUV:e=>t(e.uvNode||Eu()),forceUVContext:!0}),s=Ii(r((e=>e)));return Oi(Ii(r((e=>e.add(e.dFdx())))).sub(s),Ii(r((e=>e.add(e.dFdy())))).sub(s)).mul(t)})),pd=wi((e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,o=t.dFdy().normalize().cross(n),a=n.cross(i),u=i.dot(o).mul(Nl),l=u.sign().mul(s.x.mul(o).add(s.y.mul(a)));return u.abs().mul(r).sub(l).normalize()}));class gd extends ks{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=hd({textureNode:this.textureNode,bumpScale:e});return pd({surf_pos:bl,surf_norm:Cl,dHdxy:t})}}const md=Ci(gd),fd=new Map;class yd extends Vs{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=fd.get(e);return void 0===r&&(r=jl(e,t),fd.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===yd.COLOR){const e=void 0!==t.color?this.getColor(r):$i();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===yd.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===yd.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:Ii(1);else if(r===yd.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===yd.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===yd.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===yd.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===yd.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===yd.NORMAL)t.normalMap?(s=cd(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType):s=t.bumpMap?md(this.getTexture("bump").r,this.getFloat("bumpScale")):Cl;else if(r===yd.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===yd.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===yd.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?cd(this.getTexture(r),this.getCache(r+"Scale","vec2")):Cl;else if(r===yd.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===yd.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(.07,1)}else if(r===yd.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Qi(tc.x,tc.y,tc.y.negate(),tc.x).mul(e.rg.mul(2).sub(Oi(1)).normalize().mul(e.b))}else s=tc;else if(r===yd.IRIDESCENCE_THICKNESS){const e=$l("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=$l("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===yd.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===yd.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===yd.IOR)s=this.getFloat(r);else if(r===yd.LIGHT_MAP)s=this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity"));else if(r===yd.AO)s=this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}yd.ALPHA_TEST="alphaTest",yd.COLOR="color",yd.OPACITY="opacity",yd.SHININESS="shininess",yd.SPECULAR="specular",yd.SPECULAR_STRENGTH="specularStrength",yd.SPECULAR_INTENSITY="specularIntensity",yd.SPECULAR_COLOR="specularColor",yd.REFLECTIVITY="reflectivity",yd.ROUGHNESS="roughness",yd.METALNESS="metalness",yd.NORMAL="normal",yd.CLEARCOAT="clearcoat",yd.CLEARCOAT_ROUGHNESS="clearcoatRoughness",yd.CLEARCOAT_NORMAL="clearcoatNormal",yd.EMISSIVE="emissive",yd.ROTATION="rotation",yd.SHEEN="sheen",yd.SHEEN_ROUGHNESS="sheenRoughness",yd.ANISOTROPY="anisotropy",yd.IRIDESCENCE="iridescence",yd.IRIDESCENCE_IOR="iridescenceIOR",yd.IRIDESCENCE_THICKNESS="iridescenceThickness",yd.IOR="ior",yd.TRANSMISSION="transmission",yd.THICKNESS="thickness",yd.ATTENUATION_DISTANCE="attenuationDistance",yd.ATTENUATION_COLOR="attenuationColor",yd.LINE_SCALE="scale",yd.LINE_DASH_SIZE="dashSize",yd.LINE_GAP_SIZE="gapSize",yd.LINE_WIDTH="linewidth",yd.LINE_DASH_OFFSET="dashOffset",yd.POINT_SIZE="size",yd.DISPERSION="dispersion",yd.LIGHT_MAP="light",yd.AO="ao";const xd=Ei(yd,yd.ALPHA_TEST),bd=Ei(yd,yd.COLOR),Td=Ei(yd,yd.SHININESS),_d=Ei(yd,yd.EMISSIVE),vd=Ei(yd,yd.OPACITY),Nd=Ei(yd,yd.SPECULAR),Sd=Ei(yd,yd.SPECULAR_INTENSITY),Ad=Ei(yd,yd.SPECULAR_COLOR),Rd=Ei(yd,yd.SPECULAR_STRENGTH),Cd=Ei(yd,yd.REFLECTIVITY),Ed=Ei(yd,yd.ROUGHNESS),wd=Ei(yd,yd.METALNESS),Md=Ei(yd,yd.NORMAL),Bd=Ei(yd,yd.CLEARCOAT),Fd=Ei(yd,yd.CLEARCOAT_ROUGHNESS),Ud=Ei(yd,yd.CLEARCOAT_NORMAL),Pd=Ei(yd,yd.ROTATION),Id=Ei(yd,yd.SHEEN),Ld=Ei(yd,yd.SHEEN_ROUGHNESS),Dd=Ei(yd,yd.ANISOTROPY),Vd=Ei(yd,yd.IRIDESCENCE),Od=Ei(yd,yd.IRIDESCENCE_IOR),Gd=Ei(yd,yd.IRIDESCENCE_THICKNESS),kd=Ei(yd,yd.TRANSMISSION),zd=Ei(yd,yd.THICKNESS),$d=Ei(yd,yd.IOR),Wd=Ei(yd,yd.ATTENUATION_DISTANCE),Hd=Ei(yd,yd.ATTENUATION_COLOR),jd=Ei(yd,yd.LINE_SCALE),qd=Ei(yd,yd.LINE_DASH_SIZE),Xd=Ei(yd,yd.LINE_GAP_SIZE),Kd=Ei(yd,yd.LINE_WIDTH),Yd=Ei(yd,yd.LINE_DASH_OFFSET),Qd=Ei(yd,yd.POINT_SIZE),Zd=Ei(yd,yd.DISPERSION),Jd=Ei(yd,yd.LIGHT_MAP),ec=Ei(yd,yd.AO),tc=hn(new t).onReference((function(e){return e.material})).onRenderUpdate((function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))})),rc=wi((e=>e.context.setupModelViewProjection()),"vec4").once()().toVarying("v_modelViewProjection");class sc extends Vs{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===sc.VERTEX)s=e.getVertexIndex();else if(r===sc.INSTANCE)s=e.getInstanceIndex();else if(r===sc.DRAW)s=e.getDrawIndex();else if(r===sc.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===sc.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==sc.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=$a(this).build(e,t)}return i}}sc.VERTEX="vertex",sc.INSTANCE="instance",sc.SUBGROUP="subgroup",sc.INVOCATION_LOCAL="invocationLocal",sc.INVOCATION_SUBGROUP="invocationSubgroup",sc.DRAW="draw";const ic=Ei(sc,sc.VERTEX),nc=Ei(sc,sc.INSTANCE),oc=Ei(sc,sc.SUBGROUP),ac=Ei(sc,sc.INVOCATION_SUBGROUP),uc=Ei(sc,sc.INVOCATION_LOCAL),lc=Ei(sc,sc.DRAW);class dc extends Vs{static get type(){return"InstanceNode"}constructor(e,t,r){super("void"),this.count=e,this.instanceMatrix=t,this.instanceColor=r,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=Ms.FRAME,this.buffer=null,this.bufferColor=null}setup(e){const{count:t,instanceMatrix:r,instanceColor:s}=this;let{instanceMatrixNode:i,instanceColorNode:n}=this;if(null===i){if(t<=1e3)i=Du(r.array,"mat4",Math.max(t,1)).element(nc);else{const e=new R(r.array,16,1);this.buffer=e;const t=r.usage===f?cu:du,s=[t(e,"vec4",16,0),t(e,"vec4",16,4),t(e,"vec4",16,8),t(e,"vec4",16,12)];i=Ji(...s)}this.instanceMatrixNode=i}if(s&&null===n){const e=new C(s.array,3),t=s.usage===f?cu:du;this.bufferColor=e,n=$i(t(e,"vec3",3,0)),this.instanceColorNode=n}const o=i.mul(ml).xyz;if(ml.assign(o),e.hasGeometryAttribute("normal")){const e=Fl(Al,i);Al.assign(e)}null!==this.instanceColorNode&&mn("vec3","vInstanceColor").assign(this.instanceColorNode)}update(){this.instanceMatrix.usage!==f&&null!==this.buffer&&this.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMatrix.version),this.instanceColor&&this.instanceColor.usage!==f&&null!==this.bufferColor&&this.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceColor.version)}}const cc=Ci(dc);class hc extends dc{static get type(){return"InstancedMeshNode"}constructor(e){const{count:t,instanceMatrix:r,instanceColor:s}=e;super(t,r,s),this.instancedMesh=e}}const pc=Ci(hc);class gc extends Vs{static get type(){return"BatchNode"}constructor(e){super("void"),this.batchMesh=e,this.batchingIdNode=null}setup(e){null===this.batchingIdNode&&(null===e.getDrawIndex()?this.batchingIdNode=nc:this.batchingIdNode=lc);const t=wi((([e])=>{const t=Mu(Iu(this.batchMesh._indirectTexture),0),r=Li(e).modInt(Li(t)),s=Li(e).div(Li(t));return Iu(this.batchMesh._indirectTexture,Gi(r,s)).x})).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),r=t(Li(this.batchingIdNode)),s=this.batchMesh._matricesTexture,i=Mu(Iu(s),0),n=Ii(r).mul(4).toInt().toVar(),o=n.modInt(i),a=n.div(Li(i)),u=Ji(Iu(s,Gi(o,a)),Iu(s,Gi(o.add(1),a)),Iu(s,Gi(o.add(2),a)),Iu(s,Gi(o.add(3),a))),l=this.batchMesh._colorsTexture;if(null!==l){const e=wi((([e])=>{const t=Mu(Iu(l),0).x,r=e,s=r.modInt(t),i=r.div(t);return Iu(l,Gi(s,i)).rgb})).setLayout({name:"getBatchingColor",type:"vec3",inputs:[{name:"id",type:"int"}]}),t=e(r);mn("vec3","vBatchColor").assign(t)}const d=Zi(u);ml.assign(u.mul(ml));const c=Al.div($i(d[0].dot(d[0]),d[1].dot(d[1]),d[2].dot(d[2]))),h=d.mul(c).xyz;Al.assign(h),e.hasGeometryAttribute("tangent")&&Xl.mulAssign(d)}}const mc=Ci(gc),fc=new WeakMap;class yc extends Vs{static get type(){return"SkinningNode"}constructor(e,t=!1){let r,s,i;super("void"),this.skinnedMesh=e,this.useReference=t,this.updateType=Ms.OBJECT,this.skinIndexNode=Cu("skinIndex","uvec4"),this.skinWeightNode=Cu("skinWeight","vec4"),t?(r=$l("bindMatrix","mat4"),s=$l("bindMatrixInverse","mat4"),i=Wl("skeleton.boneMatrices","mat4",e.skeleton.bones.length)):(r=hn(e.bindMatrix,"mat4"),s=hn(e.bindMatrixInverse,"mat4"),i=Du(e.skeleton.boneMatrices,"mat4",e.skeleton.bones.length)),this.bindMatrixNode=r,this.bindMatrixInverseNode=s,this.boneMatricesNode=i,this.previousBoneMatricesNode=null}getSkinnedPosition(e=this.boneMatricesNode,t=ml){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,o=e.element(r.x),a=e.element(r.y),u=e.element(r.z),l=e.element(r.w),d=i.mul(t),c=Kn(o.mul(s.x).mul(d),a.mul(s.y).mul(d),u.mul(s.z).mul(d),l.mul(s.w).mul(d));return n.mul(c).xyz}getSkinnedNormal(e=this.boneMatricesNode,t=Al){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,o=e.element(r.x),a=e.element(r.y),u=e.element(r.z),l=e.element(r.w);let d=Kn(s.x.mul(o),s.y.mul(a),s.z.mul(u),s.w.mul(l));return d=n.mul(d).mul(i),d.transformDirection(t).xyz}getPreviousSkinnedPosition(e){const t=e.object;return null===this.previousBoneMatricesNode&&(t.skeleton.previousBoneMatrices=new Float32Array(t.skeleton.boneMatrices),this.previousBoneMatricesNode=Wl("skeleton.previousBoneMatrices","mat4",t.skeleton.bones.length)),this.getSkinnedPosition(this.previousBoneMatricesNode,fl)}needsPreviousBoneMatrices(e){const t=e.renderer.getMRT();return t&&t.has("velocity")||!0===As(e.object).useVelocity}setup(e){this.needsPreviousBoneMatrices(e)&&fl.assign(this.getPreviousSkinnedPosition(e));const t=this.getSkinnedPosition();if(ml.assign(t),e.hasGeometryAttribute("normal")){const t=this.getSkinnedNormal();Al.assign(t),e.hasGeometryAttribute("tangent")&&Xl.assign(t)}}generate(e,t){if("void"!==t)return ml.build(e,t)}update(e){const t=(this.useReference?e.object:this.skinnedMesh).skeleton;fc.get(t)!==e.frameId&&(fc.set(t,e.frameId),null!==this.previousBoneMatricesNode&&t.previousBoneMatrices.set(t.boneMatrices),t.update())}}const xc=e=>Si(new yc(e,!0));class bc extends Vs{static get type(){return"LoopNode"}constructor(e=[]){super(),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=vu(s,i)}const s=e.addStack();return t.returnsNode=this.params[this.params.length-1](r,s,e),t.stackNode=s,e.removeStack(),t}getNodeType(e){const{returnsNode:t}=this.getProperties(e);return t?t.getNodeType(e):"void"}setup(e){this.getProperties(e)}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let t=0,s=r.length-1;t<s;t++){const s=r[t];let i=null,n=null,o=null,a=null,u=null,l=null;s.isNode?(a="int",o=this.getVarName(t),i="0",n=s.build(e,a),u="<"):(a=s.type||"int",o=s.name||this.getVarName(t),i=s.start,n=s.end,u=s.condition,l=s.update,"number"==typeof i?i=e.generateConst(a,i):i&&i.isNode&&(i=i.build(e,a)),"number"==typeof n?n=e.generateConst(a,n):n&&n.isNode&&(n=n.build(e,a)),void 0!==i&&void 0===n?(i+=" - 1",n="0",u=">="):void 0!==n&&void 0===i&&(i="0",u="<"),void 0===u&&(u=Number(i)>Number(n)?">=":"<"));const d={start:i,end:n,condition:u},c=d.start,h=d.end;let p="",g="",m="";l||(l="int"===a||"uint"===a?u.includes("<")?"++":"--":u.includes("<")?"+= 1.":"-= 1."),p+=e.getVar(a,o)+" = "+c,g+=o+" "+u+" "+h,m+=o+" "+l;const f=`for ( ${p}; ${g}; ${m} )`;e.addFlowCode((0===t?"\n":"")+e.tab+f+" {\n\n").addFlowTab()}const i=s.build(e,"void"),n=t.returnsNode?t.returnsNode.build(e):"";e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();return e.addFlowTab(),n}}const Tc=(...e)=>Si(new bc(Ri(e,"int"))).append(),_c=()=>vu("break").append(),vc=new WeakMap,Nc=new s,Sc=wi((({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const o=Li(ic).mul(r).add(n),a=o.div(s),u=o.sub(a.mul(s));return Iu(e,Gi(u,a)).depth(i).mul(t)}));class Ac extends Vs{static get type(){return"MorphNode"}constructor(e){super("void"),this.mesh=e,this.morphBaseInfluence=hn(1),this.updateType=Ms.OBJECT}setup(e){const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,o=void 0!==n?n.length:0,{texture:a,stride:u,size:l}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,o=void 0!==n?n.length:0;let a=vc.get(e);if(void 0===a||a.count!==o){void 0!==a&&a.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*o),f=new E(m,h,p,o);f.type=w,f.needsUpdate=!0;const y=4*c;for(let b=0;b<o;b++){const T=u[b],_=l[b],v=d[b],N=h*p*4*b;for(let S=0;S<T.count;S++){const A=S*y;!0===r&&(Nc.fromBufferAttribute(T,S),m[N+A+0]=Nc.x,m[N+A+1]=Nc.y,m[N+A+2]=Nc.z,m[N+A+3]=0),!0===s&&(Nc.fromBufferAttribute(_,S),m[N+A+4]=Nc.x,m[N+A+5]=Nc.y,m[N+A+6]=Nc.z,m[N+A+7]=0),!0===i&&(Nc.fromBufferAttribute(v,S),m[N+A+8]=Nc.x,m[N+A+9]=Nc.y,m[N+A+10]=Nc.z,m[N+A+11]=4===v.itemSize?Nc.w:1)}}function x(){f.dispose(),vc.delete(e),e.removeEventListener("dispose",x)}a={count:o,texture:f,stride:c,size:new t(h,p)},vc.set(e,a),e.addEventListener("dispose",x)}return a}(r);!0===s&&ml.mulAssign(this.morphBaseInfluence),!0===i&&Al.mulAssign(this.morphBaseInfluence);const d=Li(l.width);Tc(o,(({i:e})=>{const t=Ii(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?t.assign(Iu(this.mesh.morphTexture,Gi(Li(e).add(1),Li(nc))).r):t.assign($l("morphTargetInfluences","float").element(e).toVar()),!0===s&&ml.addAssign(Sc({bufferMap:a,influence:t,stride:u,width:d,depth:e,offset:Li(0)})),!0===i&&Al.addAssign(Sc({bufferMap:a,influence:t,stride:u,width:d,depth:e,offset:Li(1)}))}))}update(){const e=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?e.value=1:e.value=1-this.mesh.morphTargetInfluences.reduce(((e,t)=>e+t),0)}}const Rc=Ci(Ac);class Cc extends Vs{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class Ec extends Cc{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class wc extends Pa{static get type(){return"LightingContextNode"}constructor(e,t=null,r=null,s=null){super(e),this.lightingModel=t,this.backdropNode=r,this.backdropAlphaNode=s,this._value=null}getContext(){const{backdropNode:e,backdropAlphaNode:t}=this,r={directDiffuse:$i().toVar("directDiffuse"),directSpecular:$i().toVar("directSpecular"),indirectDiffuse:$i().toVar("indirectDiffuse"),indirectSpecular:$i().toVar("indirectSpecular")};return{radiance:$i().toVar("radiance"),irradiance:$i().toVar("irradiance"),iblIrradiance:$i().toVar("iblIrradiance"),ambientOcclusion:Ii(1).toVar("ambientOcclusion"),reflectedLight:r,backdrop:e,backdropAlpha:t}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const Mc=Ci(wc);class Bc extends Cc{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}let Fc,Uc;class Pc extends Vs{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this.isViewportNode=!0}getNodeType(){return this.scope===Pc.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=Ms.NONE;return this.scope!==Pc.SIZE&&this.scope!==Pc.VIEWPORT||(e=Ms.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===Pc.VIEWPORT?null!==t?Uc.copy(t.viewport):(e.getViewport(Uc),Uc.multiplyScalar(e.getPixelRatio())):null!==t?(Fc.width=t.width,Fc.height=t.height):e.getDrawingBufferSize(Fc)}setup(){const e=this.scope;let r=null;return r=e===Pc.SIZE?hn(Fc||(Fc=new t)):e===Pc.VIEWPORT?hn(Uc||(Uc=new s)):Oi(Dc.div(Lc)),r}generate(e){if(this.scope===Pc.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(Lc).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}Pc.COORDINATE="coordinate",Pc.VIEWPORT="viewport",Pc.SIZE="size",Pc.UV="uv";const Ic=Ei(Pc,Pc.UV),Lc=Ei(Pc,Pc.SIZE),Dc=Ei(Pc,Pc.COORDINATE),Vc=Ei(Pc,Pc.VIEWPORT),Oc=Vc.zw,Gc=Dc.sub(Vc.xy),kc=Gc.div(Oc),zc=wi((()=>(console.warn('TSL.ViewportNode: "viewportResolution" is deprecated. Use "screenSize" instead.'),Lc)),"vec2").once()(),$c=wi((()=>(console.warn('TSL.ViewportNode: "viewportTopLeft" is deprecated. Use "screenUV" instead.'),Ic)),"vec2").once()(),Wc=wi((()=>(console.warn('TSL.ViewportNode: "viewportBottomLeft" is deprecated. Use "screenUV.flipY()" instead.'),Ic.flipY())),"vec2").once()(),Hc=new t;class jc extends Uu{static get type(){return"ViewportTextureNode"}constructor(e=Ic,t=null,r=null){null===r&&((r=new M).minFilter=B),super(r,e,t),this.generateMipmaps=!1,this.isOutputTextureNode=!0,this.updateBeforeType=Ms.FRAME}updateBefore(e){const t=e.renderer;t.getDrawingBufferSize(Hc);const r=this.value;r.image.width===Hc.width&&r.image.height===Hc.height||(r.image.width=Hc.width,r.image.height=Hc.height,r.needsUpdate=!0);const s=r.generateMipmaps;r.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(r),r.generateMipmaps=s}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const qc=Ci(jc),Xc=Ci(jc,null,null,{generateMipmaps:!0});let Kc=null;class Yc extends jc{static get type(){return"ViewportDepthTextureNode"}constructor(e=Ic,t=null){null===Kc&&(Kc=new F),super(e,t,Kc)}}const Qc=Ci(Yc);class Zc extends Vs{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===Zc.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===Zc.DEPTH_BASE)null!==r&&(s=sh().assign(r));else if(t===Zc.DEPTH)s=e.isPerspectiveCamera?eh(bl.z,zu,$u):Jc(bl.z,zu,$u);else if(t===Zc.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=th(r,zu,$u);s=Jc(e,zu,$u)}else s=r;else s=Jc(bl.z,zu,$u);return s}}Zc.DEPTH_BASE="depthBase",Zc.DEPTH="depth",Zc.LINEAR_DEPTH="linearDepth";const Jc=(e,t,r)=>e.add(t).div(t.sub(r)),eh=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),th=(e,t,r)=>t.mul(r).div(r.sub(t).mul(e).sub(r)),rh=(e,t,r)=>{t=t.max(1e-6).toVar();const s=Mo(e.negate().div(t)),i=Mo(r.div(t));return s.div(i)},sh=Ci(Zc,Zc.DEPTH_BASE),ih=Ei(Zc,Zc.DEPTH),nh=Ci(Zc,Zc.LINEAR_DEPTH),oh=nh(Qc());ih.assign=e=>sh(e);const ah=Ci(class extends Vs{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}});class uh extends Vs{static get type(){return"ClippingNode"}constructor(e=uh.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.material.hardwareClipping,this.scope===uh.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===uh.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return wi((()=>{const r=Ii().toVar("distanceToPlane"),s=Ii().toVar("distanceToGradient"),i=Ii(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=Gu(t);Tc(n,(({i:t})=>{const n=e.element(t);r.assign(bl.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(Na(s.negate(),s,r))}))}const o=e.length;if(o>0){const t=Gu(e),n=Ii(1).toVar("intersectionClipOpacity");Tc(o,(({i:e})=>{const i=t.element(e);r.assign(bl.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(Na(s.negate(),s,r).oneMinus())})),i.mulAssign(n.oneMinus())}fn.a.mulAssign(i),fn.a.equal(0).discard()}))()}setupDefault(e,t){return wi((()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=Gu(t);Tc(r,(({i:t})=>{const r=e.element(t);bl.dot(r.xyz).greaterThan(r.w).discard()}))}const s=e.length;if(s>0){const t=Gu(e),r=Vi(!0).toVar("clipped");Tc(s,(({i:e})=>{const s=t.element(e);r.assign(bl.dot(s.xyz).greaterThan(s.w).and(r))})),r.discard()}}))()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),wi((()=>{const s=Gu(e),i=ah(t.getClipDistance());Tc(r,(({i:e})=>{const t=s.element(e),r=bl.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)}))}))()}}uh.ALPHA_TO_COVERAGE="alphaToCoverage",uh.DEFAULT="default",uh.HARDWARE="hardware";const lh=wi((([e])=>Lo(Qn(1e4,Do(Qn(17,e.x).add(Qn(.1,e.y)))).mul(Kn(.1,$o(Do(Qn(13,e.y).add(e.x)))))))),dh=wi((([e])=>lh(Oi(lh(e.xy),e.z)))),ch=wi((([e])=>{const t=ia(Ho(Xo(e.xyz)),Ho(Ko(e.xyz))),r=Ii(1).div(Ii(.05).mul(t)).toVar("pixScale"),s=Oi(Eo(Uo(Mo(r))),Eo(Po(Mo(r)))),i=Oi(dh(Uo(s.x.mul(e.xyz))),dh(Uo(s.y.mul(e.xyz)))),n=Lo(Mo(r)),o=Kn(Qn(n.oneMinus(),i.x),Qn(n,i.y)),a=sa(n,n.oneMinus()),u=$i(o.mul(o).div(Qn(2,a).mul(Yn(1,a))),o.sub(Qn(.5,a)).div(Yn(1,a)),Yn(1,Yn(1,o).mul(Yn(1,o)).div(Qn(2,a).mul(Yn(1,a))))),l=o.lessThan(a.oneMinus()).select(o.lessThan(a).select(u.x,u.y),u.z);return Ta(l,1e-6,1)})).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class hh extends U{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.hardwareClipping=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.shadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null}customProgramCacheKey(){return this.type+fs(this)}build(e){this.setup(e)}setupObserver(e){return new cs(e)}setup(e){e.context.setupNormal=()=>this.setupNormal(e),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();e.addStack();const s=this.vertexNode||this.setupVertex(e);let i;e.stack.outputNode=s,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const n=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupVariants(e);const s=this.setupLighting(e);null!==n&&e.stack.add(n);const o=qi(s,fn.a).max(0);if(i=this.setupOutput(e,o),Pn.assign(i),null!==this.outputNode&&(i=this.outputNode),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(i=e,null!==r&&(i=e.merge(r))):null!==r&&(i=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=qi(t)),i=this.setupOutput(e,t)}e.stack.outputNode=i,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.samples;this.alphaToCoverage&&t>1?s=Si(new uh(uh.ALPHA_TO_COVERAGE)):e.stack.add(Si(new uh))}return s}setupHardwareClipping(e){if(this.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.add(Si(new uh(uh.HARDWARE))),this.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?rh(bl.z,zu,$u):Jc(bl.z,zu,$u))}null!==s&&ih.assign(s).append()}setupPositionView(){return dl.mul(ml).xyz}setupModelViewProjection(){return Wu.mul(bl)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.vertex=e.removeStack(),rc}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&Rc(t).append(),!0===t.isSkinnedMesh&&xc(t).append(),this.displacementMap){const e=jl("displacementMap","texture"),t=jl("displacementScale","float"),r=jl("displacementBias","float");ml.addAssign(Al.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&mc(t).append(),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&pc(t).append(),null!==this.positionNode&&ml.assign(this.positionNode.context({isPositionNodeInput:!0})),ml}setupDiffuseColor({object:e,geometry:t}){let r=this.colorNode?qi(this.colorNode):bd;if(!0===this.vertexColors&&t.hasAttribute("color")&&(r=qi(r.xyz.mul(Cu("color","vec3")),r.a)),e.instanceColor){r=mn("vec3","vInstanceColor").mul(r)}if(e.isBatchedMesh&&e._colorsTexture){r=mn("vec3","vBatchColor").mul(r)}fn.assign(r);const s=this.opacityNode?Ii(this.opacityNode):vd;if(fn.a.assign(fn.a.mul(s)),null!==this.alphaTestNode||this.alphaTest>0){const e=null!==this.alphaTestNode?Ii(this.alphaTestNode):xd;fn.a.lessThanEqual(e).discard()}!0===this.alphaHash&&fn.a.lessThan(ch(ml)).discard(),!1===this.transparent&&this.blending===P&&!1===this.alphaToCoverage&&fn.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?$i(0):fn.rgb}setupNormal(){return this.normalNode?$i(this.normalNode):Md}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?jl("envMap","cubeTexture"):jl("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Bc(Jd)),t}setupLights(e){const t=[],r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);if(s&&s.isLightingNode&&t.push(s),null!==this.aoNode||e.material.aoMap){const e=null!==this.aoNode?this.aoNode:ec;t.push(new Ec(e))}let i=this.lightsNode||e.lightsNode;return t.length>0&&(i=e.renderer.lighting.createNode([...i.getLights(),...t])),i}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode?this.setupLights(e):null;let o=this.setupOutgoingLight(e);if(n&&n.getScope().hasLights){const t=this.setupLightingModel(e);o=Mc(n,t,r,s)}else null!==r&&(o=$i(null!==s?ba(o,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(yn.assign($i(i||_d)),o=o.add(yn)),o}setupOutput(e,t){if(!0===this.fog){const r=e.fogNode;r&&(Pn.assign(t),t=qi(r))}return t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=U.prototype.toJSON.call(this,e),s=ys(this);r.inputNodes={};for(const{property:t,childNode:i}of s)r.inputNodes[t]=i.toJSON(e).uuid;function i(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=i(e.textures),s=i(e.images),n=i(e.nodes);t.length>0&&(r.textures=t),s.length>0&&(r.images=s),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.shadowPositionNode=e.shadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,super.copy(e)}}const ph=new I;class gh extends hh{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(ph),this.setValues(e)}}const mh=new L;class fh extends hh{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(mh),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?Ii(this.offsetNode):Yd,t=this.dashScaleNode?Ii(this.dashScaleNode):jd,r=this.dashSizeNode?Ii(this.dashSizeNode):qd,s=this.gapSizeNode?Ii(this.gapSizeNode):Xd;In.assign(r),Ln.assign(s);const i=$a(Cu("lineDistance").mul(t));(e?i.add(e):i).mod(In.add(Ln)).greaterThan(In).discard()}}let yh=null;class xh extends jc{static get type(){return"ViewportSharedTextureNode"}constructor(e=Ic,t=null){null===yh&&(yh=new M),super(e,t,yh)}updateReference(){return this}}const bh=Ci(xh),Th=new L;class _h extends hh{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(Th),this.useColor=e.vertexColors,this.dashOffset=0,this.lineWidth=1,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=D,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setup(e){const{renderer:t}=e,r=this._useAlphaToCoverage,s=this.useColor,i=this._useDash,n=this._useWorldUnits,o=wi((({start:e,end:t})=>{const r=Wu.element(2).element(2),s=Wu.element(3).element(2).mul(-.5).div(r).sub(e.z).div(t.z.sub(e.z));return qi(ba(e.xyz,t.xyz,s),t.w)})).setLayout({name:"trimSegment",type:"vec4",inputs:[{name:"start",type:"vec4"},{name:"end",type:"vec4"}]});this.vertexNode=wi((()=>{const e=Cu("instanceStart"),t=Cu("instanceEnd"),r=qi(dl.mul(qi(e,1))).toVar("start"),s=qi(dl.mul(qi(t,1))).toVar("end");if(i){const e=this.dashScaleNode?Ii(this.dashScaleNode):jd,t=this.offsetNode?Ii(this.offsetNode):Yd,r=Cu("instanceDistanceStart"),s=Cu("instanceDistanceEnd");let i=gl.y.lessThan(.5).select(e.mul(r),e.mul(s));i=i.add(t),mn("float","lineDistance").assign(i)}n&&(mn("vec3","worldStart").assign(r.xyz),mn("vec3","worldEnd").assign(s.xyz));const a=Vc.z.div(Vc.w),u=Wu.element(2).element(3).equal(-1);Fi(u,(()=>{Fi(r.z.lessThan(0).and(s.z.greaterThan(0)),(()=>{s.assign(o({start:r,end:s}))})).ElseIf(s.z.lessThan(0).and(r.z.greaterThanEqual(0)),(()=>{r.assign(o({start:s,end:r}))}))}));const l=Wu.mul(r),d=Wu.mul(s),c=l.xyz.div(l.w),h=d.xyz.div(d.w),p=h.xy.sub(c.xy).toVar();p.x.assign(p.x.mul(a)),p.assign(p.normalize());const g=qi().toVar();if(n){const e=s.xyz.sub(r.xyz).normalize(),t=ba(r.xyz,s.xyz,.5).normalize(),n=e.cross(t).normalize(),o=e.cross(n),a=mn("vec4","worldPos");a.assign(gl.y.lessThan(.5).select(r,s));const u=Kd.mul(.5);a.addAssign(qi(gl.x.lessThan(0).select(n.mul(u),n.mul(u).negate()),0)),i||(a.addAssign(qi(gl.y.lessThan(.5).select(e.mul(u).negate(),e.mul(u)),0)),a.addAssign(qi(o.mul(u),0)),Fi(gl.y.greaterThan(1).or(gl.y.lessThan(0)),(()=>{a.subAssign(qi(o.mul(2).mul(u),0))}))),g.assign(Wu.mul(a));const l=$i().toVar();l.assign(gl.y.lessThan(.5).select(c,h)),g.z.assign(l.z.mul(g.w))}else{const e=Oi(p.y,p.x.negate()).toVar("offset");p.x.assign(p.x.div(a)),e.x.assign(e.x.div(a)),e.assign(gl.x.lessThan(0).select(e.negate(),e)),Fi(gl.y.lessThan(0),(()=>{e.assign(e.sub(p))})).ElseIf(gl.y.greaterThan(1),(()=>{e.assign(e.add(p))})),e.assign(e.mul(Kd)),e.assign(e.div(Vc.w)),g.assign(gl.y.lessThan(.5).select(l,d)),e.assign(e.mul(g.w)),g.assign(g.add(qi(e,0,0)))}return g}))();const a=wi((({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),o=t.sub(e),a=i.dot(n),u=n.dot(o),l=i.dot(o),d=n.dot(n),c=o.dot(o).mul(d).sub(u.mul(u)),h=a.mul(u).sub(l.mul(d)).div(c).clamp(),p=a.add(u.mul(h)).div(d).clamp();return Oi(h,p)}));if(this.colorNode=wi((()=>{const e=Eu();if(i){const t=this.dashSizeNode?Ii(this.dashSizeNode):qd,r=this.gapSizeNode?Ii(this.gapSizeNode):Xd;In.assign(t),Ln.assign(r);const s=mn("float","lineDistance");e.y.lessThan(-1).or(e.y.greaterThan(1)).discard(),s.mod(In.add(Ln)).greaterThan(In).discard()}const o=Ii(1).toVar("alpha");if(n){const e=mn("vec3","worldStart"),s=mn("vec3","worldEnd"),n=mn("vec4","worldPos").xyz.normalize().mul(1e5),u=s.sub(e),l=a({p1:e,p2:s,p3:$i(0,0,0),p4:n}),d=e.add(u.mul(l.x)),c=n.mul(l.y),h=d.sub(c).length().div(Kd);if(!i)if(r&&t.samples>1){const e=h.fwidth();o.assign(Na(e.negate().add(.5),e.add(.5),h).oneMinus())}else h.greaterThan(.5).discard()}else if(r&&t.samples>1){const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1)),s=t.mul(t).add(r.mul(r)),i=Ii(s.fwidth()).toVar("dlen");Fi(e.y.abs().greaterThan(1),(()=>{o.assign(Na(i.oneMinus(),i.add(1),s).oneMinus())}))}else Fi(e.y.abs().greaterThan(1),(()=>{const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1));t.mul(t).add(r.mul(r)).greaterThan(1).discard()}));let u;if(this.lineColorNode)u=this.lineColorNode;else if(s){const e=Cu("instanceColorStart"),t=Cu("instanceColorEnd");u=gl.y.lessThan(.5).select(e,t).mul(bd)}else u=bd;return qi(u,o)}))(),this.transparent){const e=this.opacityNode?Ii(this.opacityNode):vd;this.outputNode=qi(this.colorNode.rgb.mul(e).add(bh().rgb.mul(e.oneMinus())),this.colorNode.a)}super.setup(e)}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const vh=e=>Si(e).mul(.5).add(.5),Nh=new V;class Sh extends hh{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Nh),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?Ii(this.opacityNode):vd;fn.assign(qi(vh(wl),e))}}class Ah extends ks{static get type(){return"EquirectUVNode"}constructor(e=xl){super("vec2"),this.dirNode=e}setup(){const e=this.dirNode,t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return Oi(t,r)}}const Rh=Ci(Ah);class Ch extends O{constructor(e=1,t={}){super(e,t),this.isCubeRenderTarget=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new G(5,5,5),n=Rh(xl),o=new hh;o.colorNode=Pu(t,n,0),o.side=_,o.blending=D;const a=new k(i,o),u=new z;u.add(a),t.minFilter===B&&(t.minFilter=$);const l=new W(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.currentGenerateMipmaps=s,a.geometry.dispose(),a.material.dispose(),this}}const Eh=new WeakMap;class wh extends ks{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=Gl();const t=new H;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=Ms.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===j||r===q){if(Eh.has(e)){const t=Eh.get(e);Bh(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new Ch(r.height);s.fromEquirectangularTexture(t,e),Bh(s.texture,e.mapping),this._cubeTexture=s.texture,Eh.set(e,s.texture),e.addEventListener("dispose",Mh)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function Mh(e){const t=e.target;t.removeEventListener("dispose",Mh);const r=Eh.get(t);void 0!==r&&(Eh.delete(t),r.dispose())}function Bh(e,t){t===j?e.mapping=v:t===q&&(e.mapping=N)}const Fh=Ci(wh);class Uh extends Cc{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=Fh(this.envNode)}}class Ph extends Cc{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=Ii(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class Ih{start(){}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class Lh extends Ih{constructor(){super()}indirect(e,t,r){const s=e.ambientOcclusion,i=e.reflectedLight,n=r.context.irradianceLightMap;i.indirectDiffuse.assign(qi(0)),n?i.indirectDiffuse.addAssign(n):i.indirectDiffuse.addAssign(qi(1,1,1,0)),i.indirectDiffuse.mulAssign(s),i.indirectDiffuse.mulAssign(fn.rgb)}finish(e,t,r){const s=r.material,i=e.outgoingLight,n=r.context.environment;if(n)switch(s.combine){case Y:i.rgb.assign(ba(i.rgb,i.rgb.mul(n.rgb),Rd.mul(Cd)));break;case K:i.rgb.assign(ba(i.rgb,n.rgb,Rd.mul(Cd)));break;case X:i.rgb.addAssign(n.rgb.mul(Rd.mul(Cd)));break;default:console.warn("THREE.BasicLightingModel: Unsupported .combine value:",s.combine)}}}const Dh=new Q;class Vh extends hh{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Dh),this.setValues(e)}setupNormal(){return Cl}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Uh(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Ph(Jd)),t}setupOutgoingLight(){return fn.rgb}setupLightingModel(){return new Lh}}const Oh=wi((({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))})),Gh=wi((e=>e.diffuseColor.mul(1/Math.PI))),kh=wi((({dotNH:e})=>Un.mul(Ii(.5)).add(1).mul(Ii(1/Math.PI)).mul(e.pow(Un)))),zh=wi((({lightDirection:e})=>{const t=e.add(Tl).normalize(),r=wl.dot(t).clamp(),s=Tl.dot(t).clamp(),i=Oh({f0:Bn,f90:1,dotVH:s}),n=Ii(.25),o=kh({dotNH:r});return i.mul(n).mul(o)}));class $h extends Lh{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=wl.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(Gh({diffuseColor:fn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(zh({lightDirection:e})).mul(Rd))}indirect({ambientOcclusion:e,irradiance:t,reflectedLight:r}){r.indirectDiffuse.addAssign(t.mul(Gh({diffuseColor:fn}))),r.indirectDiffuse.mulAssign(e)}}const Wh=new Z;class Hh extends hh{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Wh),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Uh(t):null}setupLightingModel(){return new $h(!1)}}const jh=new J;class qh extends hh{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(jh),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Uh(t):null}setupLightingModel(){return new $h}setupVariants(){const e=(this.shininessNode?Ii(this.shininessNode):Td).max(1e-4);Un.assign(e);const t=this.specularNode||Nd;Bn.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const Xh=wi((e=>{if(!1===e.geometry.hasAttribute("normal"))return Ii(0);const t=Cl.dFdx().abs().max(Cl.dFdy().abs());return t.x.max(t.y).max(t.z)})),Kh=wi((e=>{const{roughness:t}=e,r=Xh();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s})),Yh=wi((({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return Zn(.5,i.add(n).max(bo))})).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),Qh=wi((({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:o,dotNL:a})=>{const u=a.mul($i(e.mul(r),t.mul(s),o).length()),l=o.mul($i(e.mul(i),t.mul(n),a).length());return Zn(.5,u.add(l)).saturate()})).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),Zh=wi((({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)})).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),Jh=Ii(1/Math.PI),ep=wi((({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),o=$i(t.mul(s),e.mul(i),n.mul(r)),a=o.dot(o),u=n.div(a);return Jh.mul(n.mul(u.pow2()))})).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),tp=wi((e=>{const{lightDirection:t,f0:r,f90:s,roughness:i,f:n,USE_IRIDESCENCE:o,USE_ANISOTROPY:a}=e,u=e.normalView||wl,l=i.pow2(),d=t.add(Tl).normalize(),c=u.dot(t).clamp(),h=u.dot(Tl).clamp(),p=u.dot(d).clamp(),g=Tl.dot(d).clamp();let m,f,y=Oh({f0:r,f90:s,dotVH:g});if(_i(o)&&(y=Sn.mix(y,n)),_i(a)){const e=wn.dot(t),r=wn.dot(Tl),s=wn.dot(d),i=Mn.dot(t),n=Mn.dot(Tl),o=Mn.dot(d);m=Qh({alphaT:Cn,alphaB:l,dotTV:r,dotBV:n,dotTL:e,dotBL:i,dotNV:h,dotNL:c}),f=ep({alphaT:Cn,alphaB:l,dotNH:p,dotTH:s,dotBH:o})}else m=Yh({alpha:l,dotNL:c,dotNV:h}),f=Zh({alpha:l,dotNH:p});return y.mul(m).mul(f)})),rp=wi((({roughness:e,dotNV:t})=>{const r=qi(-1,-.0275,-.572,.022),s=qi(1,.0425,1.04,-.04),i=e.mul(r).add(s),n=i.x.mul(i.x).min(t.mul(-9.28).exp2()).mul(i.x).add(i.y);return Oi(-1.04,1.04).mul(n).add(i.zw)})).setLayout({name:"DFGApprox",type:"vec2",inputs:[{name:"roughness",type:"float"},{name:"dotNV",type:"vec3"}]}),sp=wi((e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=rp({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))})),ip=wi((({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub($i(t).mul(n)).div(n.oneMinus())})).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),np=wi((({roughness:e,dotNH:t})=>{const r=e.pow2(),s=Ii(1).div(r),i=t.pow2().oneMinus().max(.0078125);return Ii(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)})).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),op=wi((({dotNV:e,dotNL:t})=>Ii(1).div(Ii(4).mul(t.add(e).sub(t.mul(e)))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),ap=wi((({lightDirection:e})=>{const t=e.add(Tl).normalize(),r=wl.dot(e).clamp(),s=wl.dot(Tl).clamp(),i=wl.dot(t).clamp(),n=np({roughness:Nn,dotNH:i}),o=op({dotNV:s,dotNL:r});return vn.mul(n).mul(o)})),up=wi((({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=Oi(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i})).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),lp=wi((({f:e})=>{const t=e.length();return ia(t.mul(t).add(e.z).div(t.add(1)),0)})).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),dp=wi((({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),o=i.div(n),a=r.greaterThan(0).select(o,ia(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(o));return e.cross(t).mul(a)})).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),cp=wi((({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:o,p3:a})=>{const u=n.sub(i).toVar(),l=a.sub(i).toVar(),d=u.cross(l),c=$i().toVar();return Fi(d.dot(r.sub(i)).greaterThanEqual(0),(()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(Zi(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(o.sub(r)).normalize().toVar(),m=d.mul(a.sub(r)).normalize().toVar(),f=$i(0).toVar();f.addAssign(dp({v1:h,v2:p})),f.addAssign(dp({v1:p,v2:g})),f.addAssign(dp({v1:g,v2:m})),f.addAssign(dp({v1:m,v2:h})),c.assign($i(lp({f:f})))})),c})).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),hp=1/6,pp=e=>Qn(hp,Qn(e,Qn(e,e.negate().add(3)).sub(3)).add(1)),gp=e=>Qn(hp,Qn(e,Qn(e,Qn(3,e).sub(6))).add(4)),mp=e=>Qn(hp,Qn(e,Qn(e,Qn(-3,e).add(3)).add(3)).add(1)),fp=e=>Qn(hp,ha(e,3)),yp=e=>pp(e).add(gp(e)),xp=e=>mp(e).add(fp(e)),bp=e=>Kn(-1,gp(e).div(pp(e).add(gp(e)))),Tp=e=>Kn(1,fp(e).div(mp(e).add(fp(e)))),_p=(e,t,r)=>{const s=e.uvNode,i=Qn(s,t.zw).add(.5),n=Uo(i),o=Lo(i),a=yp(o.x),u=xp(o.x),l=bp(o.x),d=Tp(o.x),c=bp(o.y),h=Tp(o.y),p=Oi(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=Oi(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=Oi(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=Oi(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=yp(o.y).mul(Kn(a.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),x=xp(o.y).mul(Kn(a.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(x)},vp=wi((([e,t=Ii(3)])=>{const r=Oi(e.size(Li(t))),s=Oi(e.size(Li(t.add(1)))),i=Zn(1,r),n=Zn(1,s),o=_p(e,qi(i,r),Uo(t)),a=_p(e,qi(n,s),Po(t));return Lo(t).mix(o,a)})),Np=wi((([e,t,r,s,i])=>{const n=$i(va(t.negate(),Io(e),Zn(1,s))),o=$i(Ho(i[0].xyz),Ho(i[1].xyz),Ho(i[2].xyz));return Io(n).mul(r.mul(o))})).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),Sp=wi((([e,t])=>e.mul(Ta(t.mul(2).sub(2),0,1)))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),Ap=Xc(),Rp=Xc(),Cp=wi((([e,t,r],{material:s})=>{const i=(s.side===_?Ap:Rp).sample(e),n=Mo(Lc.x).mul(Sp(t,r));return vp(i,n)})),Ep=wi((([e,t,r])=>(Fi(r.notEqual(0),(()=>{const s=wo(t).negate().div(r);return Co(s.negate().mul(e))})),$i(1)))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),wp=wi((([e,t,r,s,i,n,o,a,u,l,d,c,h,p,g])=>{let m,f;if(g){m=qi().toVar(),f=$i().toVar();const i=d.sub(1).mul(g.mul(.025)),n=$i(d.sub(i),d,d.add(i));Tc({start:0,end:3},(({i:i})=>{const d=n.element(i),g=Np(e,t,c,d,a),y=o.add(g),x=l.mul(u.mul(qi(y,1))),b=Oi(x.xy.div(x.w)).toVar();b.addAssign(1),b.divAssign(2),b.assign(Oi(b.x,b.y.oneMinus()));const T=Cp(b,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(Ep(Ho(g),h,p).element(i)))})),m.a.divAssign(3)}else{const i=Np(e,t,c,d,a),n=o.add(i),g=l.mul(u.mul(qi(n,1))),y=Oi(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(Oi(y.x,y.y.oneMinus())),m=Cp(y,r,d),f=s.mul(Ep(Ho(i),h,p))}const y=f.rgb.mul(m.rgb),x=e.dot(t).clamp(),b=$i(sp({dotNV:x,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return qi(b.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())})),Mp=Zi(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),Bp=(e,t)=>e.sub(t).div(e.add(t)).pow2(),Fp=wi((({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=ba(e,t,Na(0,.03,s)),o=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();Fi(o.lessThan(0),(()=>$i(1)));const a=o.sqrt(),u=Bp(n,e),l=Oh({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=Ii(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return $i(1).add(t).div($i(1).sub(t))})(i.clamp(0,.9999)),g=Bp(p,n.toVec3()),m=Oh({f0:g,f90:1,dotVH:a}),f=$i(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,a,2),x=$i(h).add(f),b=l.mul(m).clamp(1e-5,.9999),T=b.sqrt(),_=d.pow2().mul(m).div($i(1).sub(b)),v=l.add(_).toVar(),N=_.sub(d).toVar();return Tc({start:1,end:2,condition:"<=",name:"m"},(({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=$i(54856e-17,44201e-17,52481e-17),i=$i(1681e3,1795300,2208400),n=$i(43278e5,93046e5,66121e5),o=Ii(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let a=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return a=$i(a.x.add(o),a.y,a.z).div(1.0685e-7),Mp.mul(a)})(Ii(e).mul(y),Ii(e).mul(x)).mul(2);v.addAssign(N.mul(t))})),v.max($i(0))})).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),Up=wi((({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.pow2(),n=Fa(r.lessThan(.25),Ii(-339.2).mul(i).add(Ii(161.4).mul(r)).sub(25.9),Ii(-8.48).mul(i).add(Ii(14.3).mul(r)).sub(9.95)),o=Fa(r.lessThan(.25),Ii(44).mul(i).sub(Ii(23.7).mul(r)).add(3.26),Ii(1.97).mul(i).sub(Ii(3.27).mul(r)).add(.72));return Fa(r.lessThan(.25),0,Ii(.1).mul(r).sub(.025)).add(n.mul(s).add(o).exp()).mul(1/Math.PI).saturate()})),Pp=$i(.04),Ip=Ii(1);class Lp extends Ih{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=$i().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=$i().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=$i().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=$i().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=$i().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=wl.dot(Tl).clamp();this.iridescenceFresnel=Fp({outsideIOR:Ii(1),eta2:An,cosTheta1:e,thinFilmThickness:Rn,baseF0:Bn}),this.iridescenceF0=ip({f:this.iridescenceFresnel,f90:1,dotVH:e})}if(!0===this.transmission){const t=yl,r=Ku.sub(yl).normalize(),s=Ml;e.backdrop=wp(s,r,xn,fn,Bn,Fn,t,il,ju,Wu,Vn,Gn,zn,kn,this.dispersion?$n:null),e.backdropAlpha=On,fn.a.mulAssign(ba(1,e.backdrop.a,On))}}computeMultiscattering(e,t,r){const s=wl.dot(Tl).clamp(),i=rp({roughness:xn,dotNV:s}),n=(this.iridescenceF0?Sn.mix(Bn,this.iridescenceF0):Bn).mul(i.x).add(r.mul(i.y)),o=i.x.add(i.y).oneMinus(),a=Bn.add(Bn.oneMinus().mul(.047619)),u=n.mul(a).div(o.mul(a).oneMinus());e.addAssign(n),t.addAssign(u.mul(o))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=wl.dot(e).clamp().mul(t);if(!0===this.sheen&&this.sheenSpecularDirect.addAssign(s.mul(ap({lightDirection:e}))),!0===this.clearcoat){const r=Bl.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(tp({lightDirection:e,f0:Pp,f90:Ip,roughness:_n,normalView:Bl})))}r.directDiffuse.addAssign(s.mul(Gh({diffuseColor:fn.rgb}))),r.directSpecular.addAssign(s.mul(tp({lightDirection:e,f0:Bn,f90:1,roughness:xn,iridescence:this.iridescence,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:o}){const a=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=wl,h=Tl,p=bl.toVar(),g=up({N:c,V:h,roughness:xn}),m=n.sample(g).toVar(),f=o.sample(g).toVar(),y=Zi($i(m.x,0,m.y),$i(0,1,0),$i(m.z,0,m.w)).toVar(),x=Bn.mul(f.x).add(Bn.oneMinus().mul(f.y)).toVar();i.directSpecular.addAssign(e.mul(x).mul(cp({N:c,V:h,P:p,mInv:y,p0:a,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(fn).mul(cp({N:c,V:h,P:p,mInv:Zi(1,0,0,0,1,0,0,0,1),p0:a,p1:u,p2:l,p3:d})))}indirect(e,t,r){this.indirectDiffuse(e,t,r),this.indirectSpecular(e,t,r),this.ambientOcclusion(e,t,r)}indirectDiffuse({irradiance:e,reflectedLight:t}){t.indirectDiffuse.addAssign(e.mul(Gh({diffuseColor:fn})))}indirectSpecular({radiance:e,iblIrradiance:t,reflectedLight:r}){if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(t.mul(vn,Up({normal:wl,viewDir:Tl,roughness:Nn}))),!0===this.clearcoat){const e=Bl.dot(Tl).clamp(),t=sp({dotNV:e,specularColor:Pp,specularF90:Ip,roughness:_n});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const s=$i().toVar("singleScattering"),i=$i().toVar("multiScattering"),n=t.mul(1/Math.PI);this.computeMultiscattering(s,i,Fn);const o=s.add(i),a=fn.mul(o.r.max(o.g).max(o.b).oneMinus());r.indirectSpecular.addAssign(e.mul(s)),r.indirectSpecular.addAssign(i.mul(n)),r.indirectDiffuse.addAssign(a.mul(n))}ambientOcclusion({ambientOcclusion:e,reflectedLight:t}){const r=wl.dot(Tl).clamp().add(e),s=xn.mul(-16).oneMinus().negate().exp2(),i=e.sub(r.pow(s).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(e),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(e),t.indirectDiffuse.mulAssign(e),t.indirectSpecular.mulAssign(i)}finish(e){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=Bl.dot(Tl).clamp(),r=Oh({dotVH:e,f0:Pp,f90:Ip}),s=t.mul(Tn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(Tn));t.assign(s)}if(!0===this.sheen){const e=vn.r.max(vn.g).max(vn.b).mul(.157).oneMinus(),r=t.mul(e).add(this.sheenSpecularDirect,this.sheenSpecularIndirect);t.assign(r)}}}const Dp=Ii(1),Vp=Ii(-2),Op=Ii(.8),Gp=Ii(-1),kp=Ii(.4),zp=Ii(2),$p=Ii(.305),Wp=Ii(3),Hp=Ii(.21),jp=Ii(4),qp=Ii(4),Xp=Ii(16),Kp=wi((([e])=>{const t=$i($o(e)).toVar(),r=Ii(-1).toVar();return Fi(t.x.greaterThan(t.z),(()=>{Fi(t.x.greaterThan(t.y),(()=>{r.assign(Fa(e.x.greaterThan(0),0,3))})).Else((()=>{r.assign(Fa(e.y.greaterThan(0),1,4))}))})).Else((()=>{Fi(t.z.greaterThan(t.y),(()=>{r.assign(Fa(e.z.greaterThan(0),2,5))})).Else((()=>{r.assign(Fa(e.y.greaterThan(0),1,4))}))})),r})).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Yp=wi((([e,t])=>{const r=Oi().toVar();return Fi(t.equal(0),(()=>{r.assign(Oi(e.z,e.y).div($o(e.x)))})).ElseIf(t.equal(1),(()=>{r.assign(Oi(e.x.negate(),e.z.negate()).div($o(e.y)))})).ElseIf(t.equal(2),(()=>{r.assign(Oi(e.x.negate(),e.y).div($o(e.z)))})).ElseIf(t.equal(3),(()=>{r.assign(Oi(e.z.negate(),e.y).div($o(e.x)))})).ElseIf(t.equal(4),(()=>{r.assign(Oi(e.x.negate(),e.z).div($o(e.y)))})).Else((()=>{r.assign(Oi(e.x,e.y).div($o(e.z)))})),Qn(.5,r.add(1))})).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Qp=wi((([e])=>{const t=Ii(0).toVar();return Fi(e.greaterThanEqual(Op),(()=>{t.assign(Dp.sub(e).mul(Gp.sub(Vp)).div(Dp.sub(Op)).add(Vp))})).ElseIf(e.greaterThanEqual(kp),(()=>{t.assign(Op.sub(e).mul(zp.sub(Gp)).div(Op.sub(kp)).add(Gp))})).ElseIf(e.greaterThanEqual($p),(()=>{t.assign(kp.sub(e).mul(Wp.sub(zp)).div(kp.sub($p)).add(zp))})).ElseIf(e.greaterThanEqual(Hp),(()=>{t.assign($p.sub(e).mul(jp.sub(Wp)).div($p.sub(Hp)).add(Wp))})).Else((()=>{t.assign(Ii(-2).mul(Mo(Qn(1.16,e))))})),t})).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),Zp=wi((([e,t])=>{const r=e.toVar();r.assign(Qn(2,r).sub(1));const s=$i(r,1).toVar();return Fi(t.equal(0),(()=>{s.assign(s.zyx)})).ElseIf(t.equal(1),(()=>{s.assign(s.xzy),s.xz.mulAssign(-1)})).ElseIf(t.equal(2),(()=>{s.x.mulAssign(-1)})).ElseIf(t.equal(3),(()=>{s.assign(s.zyx),s.xz.mulAssign(-1)})).ElseIf(t.equal(4),(()=>{s.assign(s.xzy),s.xy.mulAssign(-1)})).ElseIf(t.equal(5),(()=>{s.z.mulAssign(-1)})),s})).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),Jp=wi((([e,t,r,s,i,n])=>{const o=Ii(r),a=$i(t),u=Ta(Qp(o),Vp,n),l=Lo(u),d=Uo(u),c=$i(eg(e,a,d,s,i,n)).toVar();return Fi(l.notEqual(0),(()=>{const t=$i(eg(e,a,d.add(1),s,i,n)).toVar();c.assign(ba(c,t,l))})),c})),eg=wi((([e,t,r,s,i,n])=>{const o=Ii(r).toVar(),a=$i(t),u=Ii(Kp(a)).toVar(),l=Ii(ia(qp.sub(o),0)).toVar();o.assign(ia(o,qp));const d=Ii(Eo(o)).toVar(),c=Oi(Yp(a,u).mul(d.sub(2)).add(1)).toVar();return Fi(u.greaterThan(2),(()=>{c.y.addAssign(d),u.subAssign(3)})),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(Qn(3,Xp))),c.y.addAssign(Qn(4,Eo(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(Oi(),Oi())})),tg=wi((({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:a})=>{const u=Vo(s),l=r.mul(u).add(i.cross(r).mul(Do(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return eg(e,l,t,n,o,a)})),rg=wi((({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:o,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=$i(Fa(t,r,ca(r,s))).toVar();Fi(No(h.equals($i(0))),(()=>{h.assign($i(s.z,0,s.x.negate()))})),h.assign(Io(h));const p=$i().toVar();return p.addAssign(i.element(Li(0)).mul(tg({theta:0,axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),Tc({start:Li(1),end:e},(({i:e})=>{Fi(e.greaterThanEqual(n),(()=>{_c()}));const t=Ii(o.mul(Ii(e))).toVar();p.addAssign(i.element(e).mul(tg({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(tg({theta:t,axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))})),qi(p,1)}));let sg=null;const ig=new WeakMap;function ng(e){let t=ig.get(e);if((void 0!==t?t.pmremVersion:-1)!==e.pmremVersion){const r=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(r))return null;t=sg.fromCubemap(e,t)}else{if(!function(e){return null!=e&&e.height>0}(r))return null;t=sg.fromEquirectangular(e,t)}t.pmremVersion=e.pmremVersion,ig.set(e,t)}return t.texture}class og extends ks{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new ee;s.isRenderTargetTexture=!0,this._texture=Pu(s),this._width=hn(0),this._height=hn(0),this._maxMip=hn(0),this.updateBeforeType=Ms.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(){let e=this._pmrem;const t=e?e.pmremVersion:-1,r=this._value;t!==r.pmremVersion&&(e=!0===r.isPMREMTexture?r:ng(r),null!==e&&(this._pmrem=e,this.updateFromTexture(e)))}setup(e){null===sg&&(sg=e.createPMREMGenerator()),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this));const r=this.value;e.renderer.coordinateSystem===l&&!0!==r.isPMREMTexture&&!0===r.isRenderTargetTexture&&(t=$i(t.x.negate(),t.yz)),t=$i(t.x,t.y.negate(),t.z);let s=this.levelNode;return null===s&&e.context.getTextureLevel&&(s=e.context.getTextureLevel(this)),Jp(this._texture,t,s,this._width,this._height,this._maxMip)}}const ag=Ci(og),ug=new WeakMap;class lg extends Cc{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const e=r.isTextureNode?r.value:t[r.property];let s=ug.get(e);void 0===s&&(s=ag(e),ug.set(e,s)),r=s}const s=t.envMap?$l("envMapIntensity","float",e.material):$l("environmentIntensity","float",e.scene),i=!0===t.useAnisotropy||t.anisotropy>0?ud:wl,n=r.context(dg(xn,i)).mul(s),o=r.context(cg(Ml)).mul(Math.PI).mul(s),a=mu(n),u=mu(o);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(u);const l=e.context.lightingModel.clearcoatRadiance;if(l){const e=r.context(dg(_n,Bl)).mul(s),t=mu(e);l.addAssign(t)}}}const dg=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=Tl.negate().reflect(t),r=e.mul(e).mix(r,t).normalize(),r=r.transformDirection(ju)),r),getTextureLevel:()=>e}},cg=e=>({getUV:()=>e,getTextureLevel:()=>Ii(1)}),hg=new te;class pg extends hh{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(hg),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new lg(t):null}setupLightingModel(){return new Lp}setupSpecular(){const e=ba($i(.04),fn.rgb,bn);Bn.assign(e),Fn.assign(1)}setupVariants(){const e=this.metalnessNode?Ii(this.metalnessNode):wd;bn.assign(e);let t=this.roughnessNode?Ii(this.roughnessNode):Ed;t=Kh({roughness:t}),xn.assign(t),this.setupSpecular(),fn.assign(qi(fn.rgb.mul(e.oneMinus()),fn.a))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const gg=new re;class mg extends pg{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(gg),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?Ii(this.iorNode):$d;Vn.assign(e),Bn.assign(ba(sa(pa(Vn.sub(1).div(Vn.add(1))).mul(Ad),$i(1)).mul(Sd),fn.rgb,bn)),Fn.assign(ba(Sd,1,bn))}setupLightingModel(){return new Lp(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?Ii(this.clearcoatNode):Bd,t=this.clearcoatRoughnessNode?Ii(this.clearcoatRoughnessNode):Fd;Tn.assign(e),_n.assign(Kh({roughness:t}))}if(this.useSheen){const e=this.sheenNode?$i(this.sheenNode):Id,t=this.sheenRoughnessNode?Ii(this.sheenRoughnessNode):Ld;vn.assign(e),Nn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?Ii(this.iridescenceNode):Vd,t=this.iridescenceIORNode?Ii(this.iridescenceIORNode):Od,r=this.iridescenceThicknessNode?Ii(this.iridescenceThicknessNode):Gd;Sn.assign(e),An.assign(t),Rn.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?Oi(this.anisotropyNode):Dd).toVar();En.assign(e.length()),Fi(En.equal(0),(()=>{e.assign(Oi(1,0))})).Else((()=>{e.divAssign(Oi(En)),En.assign(En.saturate())})),Cn.assign(En.pow2().mix(xn.pow2(),1)),wn.assign(od[0].mul(e.x).add(od[1].mul(e.y))),Mn.assign(od[1].mul(e.x).sub(od[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?Ii(this.transmissionNode):kd,t=this.thicknessNode?Ii(this.thicknessNode):zd,r=this.attenuationDistanceNode?Ii(this.attenuationDistanceNode):Wd,s=this.attenuationColorNode?$i(this.attenuationColorNode):Hd;if(On.assign(e),Gn.assign(t),kn.assign(r),zn.assign(s),this.useDispersion){const e=this.dispersionNode?Ii(this.dispersionNode):Zd;$n.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?$i(this.clearcoatNormalNode):Ud}setup(e){e.context.setupClearcoatNormal=()=>this.setupClearcoatNormal(e),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class fg extends Lp{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,o=!1){super(e,t,r,s,i,n),this.useSSS=o}direct({lightDirection:e,lightColor:t,reflectedLight:r},s,i){if(!0===this.useSSS){const s=i.material,{thicknessColorNode:n,thicknessDistortionNode:o,thicknessAmbientNode:a,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=s,c=e.add(wl.mul(o)).normalize(),h=Ii(Tl.dot(c.negate()).saturate().pow(l).mul(d)),p=$i(h.add(a).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s,i)}}class yg extends mg{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=Ii(.1),this.thicknessAmbientNode=Ii(0),this.thicknessAttenuationNode=Ii(.1),this.thicknessPowerNode=Ii(2),this.thicknessScaleNode=Ii(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new fg(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const xg=wi((({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=Oi(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=jl("gradientMap","texture").context({getUV:()=>i});return $i(e.r)}{const e=i.fwidth().mul(.5);return ba($i(.7),$i(1),Na(Ii(.7).sub(e.x),Ii(.7).add(e.x),i.x))}}));class bg extends Ih{direct({lightDirection:e,lightColor:t,reflectedLight:r},s,i){const n=xg({normal:Sl,lightDirection:e,builder:i}).mul(t);r.directDiffuse.addAssign(n.mul(Gh({diffuseColor:fn.rgb})))}indirect({ambientOcclusion:e,irradiance:t,reflectedLight:r}){r.indirectDiffuse.addAssign(t.mul(Gh({diffuseColor:fn}))),r.indirectDiffuse.mulAssign(e)}}const Tg=new se;class _g extends hh{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Tg),this.setValues(e)}setupLightingModel(){return new bg}}class vg extends ks{static get type(){return"MatcapUVNode"}constructor(){super("vec2")}setup(){const e=$i(Tl.z,0,Tl.x.negate()).normalize(),t=Tl.cross(e);return Oi(e.dot(wl),t.dot(wl)).mul(.495).add(.5)}}const Ng=Ei(vg),Sg=new ie;class Ag extends hh{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(Sg),this.setValues(e)}setupVariants(e){const t=Ng;let r;r=e.material.matcap?jl("matcap","texture").context({getUV:()=>t}):$i(ba(.2,.8,t.y)),fn.rgb.mulAssign(r.rgb)}}class Rg extends ks{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}getNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Qi(e,s,s.negate(),e).mul(r)}{const e=t,s=Ji(qi(1,0,0,0),qi(0,Vo(e.x),Do(e.x).negate(),0),qi(0,Do(e.x),Vo(e.x),0),qi(0,0,0,1)),i=Ji(qi(Vo(e.y),0,Do(e.y),0),qi(0,1,0,0),qi(Do(e.y).negate(),0,Vo(e.y),0),qi(0,0,0,1)),n=Ji(qi(Vo(e.z),Do(e.z).negate(),0,0),qi(Do(e.z),Vo(e.z),0,0),qi(0,0,1,0),qi(0,0,0,1));return s.mul(i).mul(n).mul(qi(r,1)).xyz}}}const Cg=Ci(Rg),Eg=new ne;class wg extends hh{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.setDefaultValues(Eg),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,s=this.sizeAttenuation,{positionNode:i,rotationNode:n,scaleNode:o}=this,a=dl.mul($i(i||0));let u=Oi(il[0].xyz.length(),il[1].xyz.length());if(null!==o&&(u=u.mul(Ii(o))),!1===s)if(r.isPerspectiveCamera)u=u.mul(a.z.negate());else{const e=Ii(2).div(Wu.element(1).element(1));u=u.mul(e.mul(2))}let l=gl.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>Si(new tu(e,t,r)))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=Ii(n||Pd),c=Cg(l,d);return qi(a.xy.add(c),a.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const Mg=new oe;class Bg extends wg{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(Mg),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return dl.mul($i(e||ml)).xyz}setupVertex(e){const t=super.setupVertex(e);if(!0!==e.material.isNodeMaterial)return t;const{rotationNode:r,scaleNode:s,sizeNode:i}=this,n=gl.xy.toVar(),o=Vc.z.div(Vc.w);if(r&&r.isNode){const e=Ii(r);n.assign(Cg(n,e))}let a=null!==i?Oi(i):Qd;return!0===this.sizeAttenuation&&(a=a.mul(a.div(bl.z.negate()))),s&&s.isNode&&(a=a.mul(Oi(s))),n.mulAssign(a.mul(2)),n.assign(n.div(Vc.z)),n.y.assign(n.y.mul(o)),n.assign(n.mul(t.w)),t.addAssign(qi(n,0,0)),t}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}class Fg extends Ih{constructor(){super(),this.shadowNode=Ii(1).toVar("shadowMask")}direct({shadowMask:e}){this.shadowNode.mulAssign(e)}finish(e){fn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(fn.rgb)}}const Ug=new ae;class Pg extends hh{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Ug),this.setValues(e)}setupLightingModel(){return new Fg}}const Ig=wi((({texture:e,uv:t})=>{const r=1e-4,s=$i().toVar();return Fi(t.x.lessThan(r),(()=>{s.assign($i(1,0,0))})).ElseIf(t.y.lessThan(r),(()=>{s.assign($i(0,1,0))})).ElseIf(t.z.lessThan(r),(()=>{s.assign($i(0,0,1))})).ElseIf(t.x.greaterThan(.9999),(()=>{s.assign($i(-1,0,0))})).ElseIf(t.y.greaterThan(.9999),(()=>{s.assign($i(0,-1,0))})).ElseIf(t.z.greaterThan(.9999),(()=>{s.assign($i(0,0,-1))})).Else((()=>{const r=.01,i=e.sample(t.add($i(-.01,0,0))).r.sub(e.sample(t.add($i(r,0,0))).r),n=e.sample(t.add($i(0,-.01,0))).r.sub(e.sample(t.add($i(0,r,0))).r),o=e.sample(t.add($i(0,0,-.01))).r.sub(e.sample(t.add($i(0,0,r))).r);s.assign($i(i,n,o))})),s.normalize()}));class Lg extends Uu{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return $i(.5,.5,.5)}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!e.isFlipY()||!0!==r.isRenderTargetTexture&&!0!==r.isFramebufferTexture||(t=this.sampler?t.flipY():t.setY(Li(Mu(this,this.levelNode).y).sub(t.y).sub(1))),t}generateUV(e,t){return t.build(e,"vec3")}normal(e){return Ig({texture:this,uv:e})}}const Dg=Ci(Lg);class Vg extends hh{static get type(){return"VolumeNodeMaterial"}constructor(t){super(),this.isVolumeNodeMaterial=!0,this.base=new e(16777215),this.map=null,this.steps=100,this.testNode=null,this.setValues(t)}setup(e){const t=Dg(this.map,null,0),r=wi((({orig:e,dir:t})=>{const r=$i(-.5),s=$i(.5),i=t.reciprocal(),n=r.sub(e).mul(i),o=s.sub(e).mul(i),a=sa(n,o),u=ia(n,o),l=ia(a.x,ia(a.y,a.z)),d=sa(u.x,sa(u.y,u.z));return Oi(l,d)}));this.fragmentNode=wi((()=>{const e=$a($i(ll.mul(qi(Ku,1)))),s=$a(gl.sub(e)).normalize(),i=Oi(r({orig:e,dir:s})).toVar();i.x.greaterThan(i.y).discard(),i.assign(Oi(ia(i.x,0),i.y));const n=$i(e.add(i.x.mul(s))).toVar(),o=$i(s.abs().reciprocal()).toVar(),a=Ii(sa(o.x,sa(o.y,o.z))).toVar("delta");a.divAssign(jl("steps","float"));const u=qi(jl("base","color"),0).toVar();return Tc({type:"float",start:i.x,end:i.y,update:"+= delta"},(()=>{const e=gn("float","d").assign(t.sample(n.add(.5)).r);null!==this.testNode?this.testNode({map:t,mapValue:e,probe:n,finalColor:u}).append():(u.a.assign(1),_c()),n.addAssign(s.mul(a))})),u.a.equal(0).discard(),qi(u)}))(),super.setup(e)}}class Og{constructor(e,t){this.nodes=e,this.info=t,this._context=self,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,null!==this._animationLoop&&this._animationLoop(t,r)};e()}stop(){this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class Gg{constructor(){this.weakMap=new WeakMap}get(e){let t=this.weakMap;for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this.weakMap;for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this.weakMap;for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let kg=0;class zg{constructor(e,t,r,s,i,n,o,a,u,l){this.id=kg++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=o,this.lightsNode=a,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.material.addEventListener("dispose",this.onMaterialDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.material.hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set;for(const i of e){const e=i.node&&i.node.attribute?i.node.attribute:t.getAttribute(i.name);if(void 0===e)continue;r.push(e);const n=e.isInterleavedBufferAttribute?e.data:e;s.add(n)}return this.attributes=r,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),o=this.getIndex(),a=null!==o,u=r.isInstancedBufferGeometry?r.instanceCount:e.count>1?e.count:1;if(0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;a?p=o.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t}=this;let r=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const s=t[e];let i;if(null!==s){const e=typeof s;"number"===e?i=0!==s?"1":"0":"object"===e?(i="{",s.isTexture&&(i+=s.mapping),i+="}"):i=String(s)}else i=String(s);r+=i+","}return r+=this.clippingContextCacheKey+",",e.geometry&&(r+=this.getGeometryCacheKey()),e.skeleton&&(r+=e.skeleton.bones.length+","),e.isBatchedMesh&&(r+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(r+=e._colorsTexture.uuid+",")),e.count>1&&(r+=e.uuid+","),r+=e.receiveShadow+",",ps(r)}get needsGeometryUpdate(){return this.geometry.id!==this.object.geometry.id}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=ms(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=ms(e,1)),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}const $g=[];class Wg{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,o,a){const u=this.getChainMap(a);$g[0]=e,$g[1]=t,$g[2]=n,$g[3]=i;let l=u.get($g);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,o,a),u.set($g,l)):(l.updateClipping(o),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,o,a)):l.version=t.version)),$g.length=0,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new Gg)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,o,a,u,l,d){const c=this.getChainMap(d),h=new zg(e,t,r,s,i,n,o,a,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.delete(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class Hg{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const jg=1,qg=2,Xg=3,Kg=4,Yg=16;class Qg extends Hg{constructor(e){super(),this.backend=e}delete(e){const t=super.delete(e);return void 0!==t&&this.backend.destroyAttribute(e),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===jg?this.backend.createAttribute(e):t===qg?this.backend.createIndexAttribute(e):t===Xg?this.backend.createStorageAttribute(e):t===Kg&&this.backend.createIndirectStorageAttribute(e),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===f)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function Zg(e){return null!==e.index?e.index.version:e.attributes.position.version}function Jg(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(function(e){for(let t=e.length-1;t>=0;--t)if(e[t]>=65535)return!0;return!1}(t)?ue:le)(t,1);return i.version=Zg(e),i}class em extends Hg{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r)};t.addEventListener("dispose",r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,Xg):this.updateAttribute(e,jg);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,qg);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,Kg)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=Jg(t),e.set(t,r)):r.version!==Zg(t)&&(this.attributes.delete(r),r=Jg(t),e.set(t,r)),s=r}return s}}class tm{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={geometries:0,textures:0}}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):console.error("THREE.WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class rm{constructor(e){this.cacheKey=e,this.usedTimes=0}}class sm extends rm{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class im extends rm{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let nm=0;class om{constructor(e,t,r,s=null,i=null){this.id=nm++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class am extends Hg{constructor(e,t){super(),this.backend=e,this.nodes=t,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let o=this.programs.compute.get(n.computeShader);void 0===o&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),o=new om(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,o),r.createProgram(o));const a=this._getComputeCacheKey(e,o);let u=this.caches.get(a);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,o,a,t)),u.usedTimes++,o.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),o=e.material?e.material.name:"";let a=this.programs.vertex.get(n.vertexShader);void 0===a&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),a=new om(n.vertexShader,"vertex",o),this.programs.vertex.set(n.vertexShader,a),r.createProgram(a));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new om(n.fragmentShader,"fragment",o),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u));const l=this._getRenderCacheKey(e,a,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,a,u,l,t)):e.pipeline=d,d.usedTimes++,a.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new im(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new sm(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class um extends Hg{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings();for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}_updateBindings(e){for(const t of e)this._update(t,e)}_init(e){for(const t of e.bindings)if(t.isSampledTexture)this.textures.updateTexture(t.texture);else if(t.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?Kg:Xg;this.attributes.update(e,r)}}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,o=0;for(const t of e.bindings){if(t.isNodeUniformsGroup){if(!1===this.nodes.updateGroup(t))continue}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampler)t.update();else if(t.isSampledTexture){const e=this.textures.get(t.texture);t.needsBindingsUpdate(e.generation)&&(s=!0);const a=t.update(),u=t.texture;a&&this.textures.updateTexture(u);const l=r.get(u);if(void 0!==l.externalTexture||e.isDefaultTexture?i=!1:(n=10*n+u.id,o+=u.version),!0===r.isWebGPUBackend&&void 0===l.texture&&void 0===l.externalTexture&&(console.error("Bindings._update: binding should be available:",t,a,u,t.textureNode.value,s),this.textures.updateTexture(u),s=!0),!0===u.isStorageTexture){const e=this.get(u);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(u)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(u),e.needsMipmap=!1)}}}!0===s&&this.backend.updateBindings(e,t,i?n:0,o)}}function lm(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.material.id!==t.material.id?e.material.id-t.material.id:e.z!==t.z?e.z-t.z:e.id-t.id}function dm(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function cm(e){return(e.transmission>0||e.transmissionNode)&&e.side===de&&!1===e.forceSinglePass}class hm{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lightsNode=e.getNode(t,r),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,o){let a=this.renderItems[this.renderItemsIndex];return void 0===a?(a={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:o},this.renderItems[this.renderItemsIndex]=a):(a.id=e.id,a.object=e,a.geometry=t,a.material=r,a.groupOrder=s,a.renderOrder=e.renderOrder,a.z=i,a.group=n,a.clippingContext=o),this.renderItemsIndex++,a}push(e,t,r,s,i,n,o){const a=this.getNextRenderItem(e,t,r,s,i,n,o);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0?(cm(r)&&this.transparentDoublePass.push(a),this.transparent.push(a)):this.opaque.push(a)}unshift(e,t,r,s,i,n,o){const a=this.getNextRenderItem(e,t,r,s,i,n,o);!0===r.transparent||r.transmission>0?(cm(r)&&this.transparentDoublePass.unshift(a),this.transparent.unshift(a)):this.opaque.unshift(a)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t){this.opaque.length>1&&this.opaque.sort(e||lm),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||dm),this.transparent.length>1&&this.transparent.sort(t||dm)}finish(){this.lightsNode.setLights(this.lightsArray);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const pm=[];class gm{constructor(e){this.lighting=e,this.lists=new Gg}get(e,t){const r=this.lists;pm[0]=e,pm[1]=t;let s=r.get(pm);return void 0===s&&(s=new hm(this.lighting,e,t),r.set(pm,s)),pm.length=0,s}dispose(){this.lists=new Gg}}let mm=0;class fm{constructor(){this.id=mm++,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.isRenderContext=!0}getCacheKey(){return ym(this)}}function ym(e){const{textures:t,activeCubeFace:r}=e,s=[r];for(const e of t)s.push(e.id);return gs(s)}const xm=[],bm=new z,Tm=new ce;class _m{constructor(){this.chainMaps={}}get(e,t,r=null){let s;if(xm[0]=e,xm[1]=t,null===r)s="default";else{const e=r.texture.format;s=`${r.textures.length}:${e}:${r.samples}:${r.depthBuffer}:${r.stencilBuffer}`}const i=this._getChainMap(s);let n=i.get(xm);return void 0===n&&(n=new fm,i.set(xm,n)),xm.length=0,null!==r&&(n.sampleCount=0===r.samples?1:r.samples),n}getForClear(e=null){return this.get(bm,Tm,e)}_getChainMap(e){return this.chainMaps[e]||(this.chainMaps[e]=new Gg)}dispose(){this.chainMaps={}}}const vm=new r;class Nm extends Hg{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,o=this.getSize(n[0]),a=o.width>>t,u=o.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;void 0===l&&d&&(l=new F,l.format=e.stencilBuffer?he:pe,l.type=e.stencilBuffer?ge:b,l.image.width=a,l.image.height=u,i[t]=l),r.width===o.width&&o.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=a,l.image.height=u)),r.width=o.width,r.height=o.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const h={sampleCount:s};if(!0===e.isXRRenderTarget&&!0===e.hasExternalTextures)l&&!0===e.autoAllocateDepthBuffer&&this.updateTexture(l,h);else{for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,h)}l&&this.updateTexture(l,h)}if(!0!==r.initialized){r.initialized=!0;const t=()=>{e.removeEventListener("dispose",t);for(let e=0;e<n.length;e++)this._destroyTexture(n[e]);l&&this._destroyTexture(l),this.delete(e)};e.addEventListener("dispose",t)}}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&(i.destroySampler(e),i.destroyTexture(e)),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:me}const{width:n,height:o,depth:a}=this.getSize(e);if(t.width=n,t.height=o,t.depth=a,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,o):1,s||!0===e.isStorageTexture)i.createSampler(e),i.createTexture(e,t),r.generation=e.version;else{if(!0!==r.initialized&&i.createSampler(e),e.version>0){const s=e.image;if(void 0===s)console.warn("THREE.Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)console.warn("THREE.Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t),t.needsMipmaps&&0===e.mipmaps.length&&i.generateMipmaps(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version}if(!0!==r.initialized){r.initialized=!0,r.generation=e.version,this.info.memory.textures++;const t=()=>{e.removeEventListener("dispose",t),this._destroyTexture(e),this.info.memory.textures--};e.addEventListener("dispose",t)}r.version=e.version}getSize(e,t=vm){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.isCompressedTexture?e.mipmaps?e.mipmaps.length:1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return this.isEnvironmentTexture(e)||!0===e.isCompressedTexture||e.generateMipmaps}isEnvironmentTexture(e){const t=e.mapping;return t===j||t===q||t===v||t===N}_destroyTexture(e){this.backend.destroySampler(e),this.backend.destroyTexture(e),this.delete(e)}}class Sm extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class Am extends pn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getHash(){return this.uuid}generate(){return this.name}}class Rm extends Vs{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this.isStackNode=!0}getNodeType(e){return this.outputNode?this.outputNode.getNodeType(e):"void"}add(e){return this.nodes.push(e),this}If(e,t){const r=new Ni(t);return this._currentCond=Fa(e,r),this.add(this._currentCond)}ElseIf(e,t){const r=new Ni(t),s=Fa(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new Ni(e),this}build(e,...t){const r=Bi();Mi(this);for(const t of this.nodes)t.build(e,"void");return Mi(r),this.outputNode?this.outputNode.build(e,...t):super.build(e,...t)}else(...e){return console.warn("TSL.StackNode: .else() has been renamed to .Else()."),this.Else(...e)}elseif(...e){return console.warn("TSL.StackNode: .elseif() has been renamed to .ElseIf()."),this.ElseIf(...e)}}const Cm=Ci(Rm);class Em extends Vs{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}setup(e){super.setup(e);const t=this.members,r=[];for(let s=0;s<t.length;s++)r.push(t[s].getNodeType(e));this.nodeType=e.getStructTypeFromNode(this,r).name}generate(e,t){const r=e.getOutputStructName(),s=this.members,i=""!==r?r+".":"";for(let r=0;r<s.length;r++){const n=s[r].build(e,t);e.addLineFlowCode(`${i}m${r} = ${n}`,this)}return r}}const wm=Ci(Em);function Mm(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class Bm extends Em{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.isMRTNode=!0}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes};return Fm(t)}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const e in t){r[Mm(s,e)]=qi(t[e])}return this.members=r,super.setup(e)}}const Fm=Ci(Bm),Um=wi((([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)})),Pm=(e,t)=>ha(Qn(4,e.mul(Yn(1,e))),t),Im=wi((([e])=>e.fract().sub(.5).abs())).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),Lm=wi((([e])=>$i(Im(e.z.add(Im(e.y.mul(1)))),Im(e.z.add(Im(e.x.mul(1)))),Im(e.y.add(Im(e.x.mul(1))))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),Dm=wi((([e,t,r])=>{const s=$i(e).toVar(),i=Ii(1.4).toVar(),n=Ii(0).toVar(),o=$i(s).toVar();return Tc({start:Ii(0),end:Ii(3),type:"float",condition:"<="},(()=>{const e=$i(Lm(o.mul(2))).toVar();s.addAssign(e.add(r.mul(Ii(.1).mul(t)))),o.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const a=Ii(Im(s.z.add(Im(s.x.add(Im(s.y)))))).toVar();n.addAssign(a.div(i)),o.addAssign(.14)})),n})).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class Vm extends Vs{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFnCall=null,this.global=!0}getNodeType(){return this.functionNodes[0].shaderNode.layout.type}setup(e){const t=this.parametersNodes;let r=this._candidateFnCall;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("FunctionOverloadingNode: FunctionNode must be a layout.");const o=n.inputs;if(t.length===o.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=o[r];s.getNodeType(e)===i.type?n++:n=0}n>i&&(s=r,i=n)}}this._candidateFnCall=r=s(...t)}return r}}const Om=Ci(Vm),Gm=e=>(...t)=>Om(e,...t),km=hn(0).setGroup(ln).onRenderUpdate((e=>e.time)),zm=hn(0).setGroup(ln).onRenderUpdate((e=>e.deltaTime)),$m=hn(0,"uint").setGroup(ln).onRenderUpdate((e=>e.frameId)),Wm=wi((([e,t,r=Oi(.5)])=>Cg(e.sub(r),t).add(r))),Hm=wi((([e,t,r=Oi(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))})),jm=wi((({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=il.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=il;const i=ju.mul(s);return _i(t)&&(i[0][0]=il[0].length(),i[0][1]=0,i[0][2]=0),_i(r)&&(i[1][0]=0,i[1][1]=il[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,Wu.mul(i).mul(ml)})),qm=wi((([e=null])=>{const t=nh();return nh(Qc(e)).sub(t).lessThan(0).select(Ic,e)}));class Xm extends Vs{static get type(){return"SpriteSheetUVNode"}constructor(e,t=Eu(),r=Ii(0)){super("vec2"),this.countNode=e,this.uvNode=t,this.frameNode=r}setup(){const{frameNode:e,uvNode:t,countNode:r}=this,{width:s,height:i}=r,n=e.mod(s.mul(i)).floor(),o=n.mod(s),a=i.sub(n.add(1).div(s).ceil()),u=r.reciprocal(),l=Oi(o,a);return t.add(l).mul(u)}}const Km=Ci(Xm);class Ym extends Vs{static get type(){return"TriplanarTexturesNode"}constructor(e,t=null,r=null,s=Ii(1),i=ml,n=Al){super("vec4"),this.textureXNode=e,this.textureYNode=t,this.textureZNode=r,this.scaleNode=s,this.positionNode=i,this.normalNode=n}setup(){const{textureXNode:e,textureYNode:t,textureZNode:r,scaleNode:s,positionNode:i,normalNode:n}=this;let o=n.abs().normalize();o=o.div(o.dot($i(1)));const a=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=Pu(d,a).mul(o.x),g=Pu(c,u).mul(o.y),m=Pu(h,l).mul(o.z);return Kn(p,g,m)}}const Qm=Ci(Ym),Zm=new ye,Jm=new r,ef=new r,tf=new r,rf=new o,sf=new r(0,0,-1),nf=new s,of=new r,af=new r,uf=new s,lf=new t,df=new fe,cf=Ic.flipX();df.depthTexture=new F(1,1);let hf=!1;class pf extends Uu{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||df.texture,cf),this._reflectorBaseNode=e.reflector||new gf(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=Si(new pf({defaultTexture:df.depthTexture,reflector:this._reflectorBaseNode}))}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e._reflectorBaseNode=this._reflectorBaseNode,e}}class gf extends Vs{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new xe,resolution:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:o=!1}=t;this.textureNode=e,this.target=r,this.resolution=s,this.generateMipmaps=i,this.bounces=n,this.depth=o,this.updateBeforeType=n?Ms.RENDER:Ms.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new WeakMap}_updateResolution(e,t){const r=this.resolution;t.getDrawingBufferSize(lf),e.setSize(Math.round(lf.width*r),Math.round(lf.height*r))}setup(e){return this._updateResolution(df,e.renderer),super.setup(e)}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new fe(0,0,{type:be}),!0===this.generateMipmaps&&(t.texture.minFilter=Te,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new F),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&hf)return!1;hf=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,o=this.getVirtualCamera(r),a=this.getRenderTarget(o);if(s.getDrawingBufferSize(lf),this._updateResolution(a,s),ef.setFromMatrixPosition(n.matrixWorld),tf.setFromMatrixPosition(r.matrixWorld),rf.extractRotation(n.matrixWorld),Jm.set(0,0,1),Jm.applyMatrix4(rf),of.subVectors(ef,tf),of.dot(Jm)>0)return;of.reflect(Jm).negate(),of.add(ef),rf.extractRotation(r.matrixWorld),sf.set(0,0,-1),sf.applyMatrix4(rf),sf.add(tf),af.subVectors(ef,sf),af.reflect(Jm).negate(),af.add(ef),o.coordinateSystem=r.coordinateSystem,o.position.copy(of),o.up.set(0,1,0),o.up.applyMatrix4(rf),o.up.reflect(Jm),o.lookAt(af),o.near=r.near,o.far=r.far,o.updateMatrixWorld(),o.projectionMatrix.copy(r.projectionMatrix),Zm.setFromNormalAndCoplanarPoint(Jm,ef),Zm.applyMatrix4(o.matrixWorldInverse),nf.set(Zm.normal.x,Zm.normal.y,Zm.normal.z,Zm.constant);const u=o.projectionMatrix;uf.x=(Math.sign(nf.x)+u.elements[8])/u.elements[0],uf.y=(Math.sign(nf.y)+u.elements[9])/u.elements[5],uf.z=-1,uf.w=(1+u.elements[10])/u.elements[14],nf.multiplyScalar(1/nf.dot(uf));u.elements[2]=nf.x,u.elements[6]=nf.y,u.elements[10]=s.coordinateSystem===d?nf.z-0:nf.z+1-0,u.elements[14]=nf.w,this.textureNode.value=a.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=a.depthTexture),i.visible=!1;const l=s.getRenderTarget(),c=s.getMRT(),h=s.autoClear;s.setMRT(null),s.setRenderTarget(a),s.autoClear=!0,s.render(t,o),s.setMRT(c),s.setRenderTarget(l),s.autoClear=h,i.visible=!0,hf=!1}}const mf=new _e(-1,1,1,-1,0,1);class ff extends ve{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new Ne([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new Ne(t,2))}}const yf=new ff;class xf extends k{constructor(e=null){super(yf,e),this.camera=mf,this.isQuadMesh=!0}async renderAsync(e){return e.renderAsync(this,mf)}render(e){e.render(this,mf)}}const bf=new t;class Tf extends Uu{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:be}){const i=new fe(t,r,s);super(i.texture,Eu()),this.node=e,this.width=t,this.height=r,this.pixelRatio=1,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._rttNode=null,this._quadMesh=new xf(new hh),this.updateBeforeType=Ms.RENDER}get autoSize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){this.width=e,this.height=t;const r=e*this.pixelRatio,s=t*this.pixelRatio;this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setPixelRatio(e){this.pixelRatio=e,this.setSize(this.width,this.height)}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;if(this.textureNeedsUpdate=!1,!0===this.autoSize){this.pixelRatio=e.getPixelRatio();const t=e.getSize(bf);this.setSize(t.width,t.height)}this._quadMesh.material.fragmentNode=this._rttNode;const t=e.getRenderTarget();e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(t)}clone(){const e=new Uu(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const _f=(e,...t)=>Si(new Tf(Si(e),...t)),vf=wi((([e,t,r],s)=>{let i;s.renderer.coordinateSystem===d?(e=Oi(e.x,e.y.oneMinus()).mul(2).sub(1),i=qi($i(e,t),1)):i=qi($i(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=qi(r.mul(i));return n.xyz.div(n.w)})),Nf=wi((([e,t])=>{const r=t.mul(qi(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return Oi(s.x,s.y.oneMinus())})),Sf=wi((([e,t,r])=>{const s=Mu(Iu(t)),i=Gi(e.mul(s)).toVar(),n=Iu(t,i).toVar(),o=Iu(t,i.sub(Gi(2,0))).toVar(),a=Iu(t,i.sub(Gi(1,0))).toVar(),u=Iu(t,i.add(Gi(1,0))).toVar(),l=Iu(t,i.add(Gi(2,0))).toVar(),d=Iu(t,i.add(Gi(0,2))).toVar(),c=Iu(t,i.add(Gi(0,1))).toVar(),h=Iu(t,i.sub(Gi(0,1))).toVar(),p=Iu(t,i.sub(Gi(0,2))).toVar(),g=$o(Yn(Ii(2).mul(a).sub(o),n)).toVar(),m=$o(Yn(Ii(2).mul(u).sub(l),n)).toVar(),f=$o(Yn(Ii(2).mul(c).sub(d),n)).toVar(),y=$o(Yn(Ii(2).mul(h).sub(p),n)).toVar(),x=vf(e,n,r).toVar(),b=g.lessThan(m).select(x.sub(vf(e.sub(Oi(Ii(1).div(s.x),0)),a,r)),x.negate().add(vf(e.add(Oi(Ii(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(x.sub(vf(e.add(Oi(0,Ii(1).div(s.y))),c,r)),x.negate().add(vf(e.sub(Oi(0,Ii(1).div(s.y))),h,r)));return Io(ca(b,T))}));class Af extends C{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class Rf extends Se{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class Cf extends Os{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.context.assign;if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const Ef=Ci(Cf);class wf extends Lu{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t=Ts(e.itemSize),r=e.count),super(e,t,r),this.isStorageBufferNode=!0,this.access=Fs.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){if(0===this.bufferCount){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return Ef(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(Fs.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=uu(this.value),this._varying=$a(this._attribute)),{attribute:this._attribute,varying:this._varying}}getNodeType(e){if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.getNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}generate(e){if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const Mf=(e,t=null,r=0)=>Si(new wf(e,t,r));class Bf extends Ru{static get type(){return"VertexColorNode"}constructor(e=0){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}class Ff extends Vs{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const Uf=Ei(Ff),Pf=new Re,If=new o;class Lf extends Vs{static get type(){return"SceneNode"}constructor(e=Lf.BACKGROUND_BLURRINESS,t=null){super(),this.scope=e,this.scene=t}setup(e){const t=this.scope,r=null!==this.scene?this.scene:e.scene;let s;return t===Lf.BACKGROUND_BLURRINESS?s=$l("backgroundBlurriness","float",r):t===Lf.BACKGROUND_INTENSITY?s=$l("backgroundIntensity","float",r):t===Lf.BACKGROUND_ROTATION?s=hn("mat4").label("backgroundRotation").setGroup(ln).onRenderUpdate((()=>{const e=r.background;return null!==e&&e.isTexture&&e.mapping!==Ae?(Pf.copy(r.backgroundRotation),Pf.x*=-1,Pf.y*=-1,Pf.z*=-1,If.makeRotationFromEuler(Pf)):If.identity(),If})):console.error("THREE.SceneNode: Unknown scope:",t),s}}Lf.BACKGROUND_BLURRINESS="backgroundBlurriness",Lf.BACKGROUND_INTENSITY="backgroundIntensity",Lf.BACKGROUND_ROTATION="backgroundRotation";const Df=Ei(Lf,Lf.BACKGROUND_BLURRINESS),Vf=Ei(Lf,Lf.BACKGROUND_INTENSITY),Of=Ei(Lf,Lf.BACKGROUND_ROTATION);class Gf extends Uu{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.isStorageTextureNode=!0,this.access=Fs.WRITE_ONLY}getInputType(){return"storageTexture"}setup(e){super.setup(e);e.getNodeProperties(this).storeNode=this.storeNode}setAccess(e){return this.access=e,this}generate(e,t){let r;return r=null!==this.storeNode?this.generateStore(e):super.generate(e,t),r}toReadWrite(){return this.setAccess(Fs.READ_WRITE)}toReadOnly(){return this.setAccess(Fs.READ_ONLY)}toWriteOnly(){return this.setAccess(Fs.WRITE_ONLY)}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s}=t,i=super.generate(e,"property"),n=r.build(e,"uvec2"),o=s.build(e,"vec4"),a=e.generateTextureStore(e,i,n,o);e.addLineFlowCode(a,this)}}const kf=Ci(Gf);class zf extends zl{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const $f=new WeakMap;class Wf extends ks{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=Ms.OBJECT,this.updateAfterType=Ms.OBJECT,this.previousModelWorldMatrix=hn(new o),this.previousProjectionMatrix=hn(new o).setGroup(ln),this.previousCameraViewMatrix=hn(new o)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=jf(r);this.previousModelWorldMatrix.value.copy(s);const i=Hf(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new o,i.previousCameraViewMatrix=new o,i.currentProjectionMatrix=new o,i.currentCameraViewMatrix=new o,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){jf(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?Wu:hn(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(dl).mul(ml),s=this.previousProjectionMatrix.mul(t).mul(fl),i=r.xy.div(r.w),n=s.xy.div(s.w);return Yn(i,n)}}function Hf(e){let t=$f.get(e);return void 0===t&&(t={},$f.set(e,t)),t}function jf(e,t=0){const r=Hf(e);let s=r[t];return void 0===s&&(r[t]=s=new o),s}const qf=Ei(Wf),Xf=wi((([e,t])=>sa(1,e.oneMinus().div(t)).oneMinus())).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Kf=wi((([e,t])=>sa(e.div(t.oneMinus()),1))).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Yf=wi((([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus())).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Qf=wi((([e,t])=>ba(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),oa(.5,e)))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Zf=wi((([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return qi(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)})).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),Jf=wi((([e])=>sy(e.rgb))),ey=wi((([e,t=Ii(1)])=>t.mix(sy(e.rgb),e.rgb))),ty=wi((([e,t=Ii(1)])=>{const r=Kn(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return ba(e.rgb,s,i)})),ry=wi((([e,t=Ii(1)])=>{const r=$i(.57735,.57735,.57735),s=t.cos();return $i(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(da(r,e.rgb).mul(s.oneMinus())))))})),sy=(e,t=$i(c.getLuminanceCoefficients(new r)))=>da(e,t),iy=wi((([e,t=$i(1),s=$i(0),i=$i(1),n=Ii(1),o=$i(c.getLuminanceCoefficients(new r,Ce))])=>{const a=e.rgb.dot($i(o)),u=ia(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return Fi(u.r.greaterThan(0),(()=>{u.r.assign(l.r)})),Fi(u.g.greaterThan(0),(()=>{u.g.assign(l.g)})),Fi(u.b.greaterThan(0),(()=>{u.b.assign(l.b)})),u.assign(a.add(u.sub(a).mul(n))),qi(u.rgb,e.a)}));class ny extends ks{static get type(){return"PosterizeNode"}constructor(e,t){super(),this.sourceNode=e,this.stepsNode=t}setup(){const{sourceNode:e,stepsNode:t}=this;return e.mul(t).floor().div(t)}}const oy=Ci(ny),ay=new t;class uy extends Uu{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.setUpdateMatrix(!1)}setup(e){return e.object.isQuadMesh&&this.passNode.build(e),super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class ly extends uy{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){return new this.constructor(this.passNode,this.textureName,this.previousTexture)}}class dy extends ks{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._pixelRatio=1,this._width=1,this._height=1;const i=new F;i.isRenderTargetTexture=!0,i.name="depth";const n=new fe(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:be,...s});n.texture.name="output",n.depthTexture=i,this.renderTarget=n,this._textures={output:n.texture,depth:i},this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=hn(0),this._cameraFar=hn(0),this._mrt=null,this.isPassNode=!0,this.updateBeforeType=Ms.FRAME}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}isGlobal(){return!0}getTexture(e){let t=this._textures[e];if(void 0===t){t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=Si(new ly(this,e)),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=Si(new ly(this,e,!0)),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=th(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=Jc(i,r,s)}return t}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,!0===e.backend.isWebGLBackend&&(this.renderTarget.samples=0),this.scope===dy.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r,camera:s}=this;this._pixelRatio=t.getPixelRatio();const i=t.getSize(ay);this.setSize(i.width,i.height);const n=t.getRenderTarget(),o=t.getMRT();this._cameraNear.value=s.near,this._cameraFar.value=s.far;for(const e in this._previousTextures)this.toggleTexture(e);t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.render(r,s),t.setRenderTarget(n),t.setMRT(o)}setSize(e,t){this._width=e,this._height=t;const r=this._width*this._pixelRatio,s=this._height*this._pixelRatio;this.renderTarget.setSize(r,s)}setPixelRatio(e){this._pixelRatio=e,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}dy.COLOR="color",dy.DEPTH="depth";class cy extends dy{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(dy.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction(((e,r,s,i,n,o,a,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,o,a,u)}t.renderObject(e,r,s,i,n,o,a,u)})),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new hh;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=_;const t=Al.negate(),r=Wu.mul(dl),s=Ii(1),i=r.mul(qi(ml,1)),n=r.mul(qi(ml.add(t),1)),o=Io(i.sub(n));return e.vertexNode=i.add(o.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=qi(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const hy=wi((([e,t])=>e.mul(t).clamp())).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),py=wi((([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp())).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),gy=wi((([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)})).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),my=wi((([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)})),fy=wi((([e,t])=>{const r=Zi(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=Zi(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=my(e),(e=s.mul(e)).clamp()})).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),yy=Zi($i(1.6605,-.1246,-.0182),$i(-.5876,1.1329,-.1006),$i(-.0728,-.0083,1.1187)),xy=Zi($i(.6274,.0691,.0164),$i(.3293,.9195,.088),$i(.0433,.0113,.8956)),by=wi((([e])=>{const t=$i(e).toVar(),r=$i(t.mul(t)).toVar(),s=$i(r.mul(r)).toVar();return Ii(15.5).mul(s.mul(r)).sub(Qn(40.14,s.mul(t))).add(Qn(31.96,s).sub(Qn(6.868,r.mul(t))).add(Qn(.4298,r).add(Qn(.1191,t).sub(.00232))))})),Ty=wi((([e,t])=>{const r=$i(e).toVar(),s=Zi($i(.856627153315983,.137318972929847,.11189821299995),$i(.0951212405381588,.761241990602591,.0767994186031903),$i(.0482516061458583,.101439036467562,.811302368396859)),i=Zi($i(1.1271005818144368,-.1413297634984383,-.14132976349843826),$i(-.11060664309660323,1.157823702216272,-.11060664309660294),$i(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=Ii(-12.47393),o=Ii(4.026069);return r.mulAssign(t),r.assign(xy.mul(r)),r.assign(s.mul(r)),r.assign(ia(r,1e-10)),r.assign(Mo(r)),r.assign(r.sub(n).div(o.sub(n))),r.assign(Ta(r,0,1)),r.assign(by(r)),r.assign(i.mul(r)),r.assign(ha(ia($i(0),r),$i(2.2))),r.assign(yy.mul(r)),r.assign(Ta(r,0,1)),r})).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),_y=wi((([e,t])=>{const r=Ii(.76),s=Ii(.15);e=e.mul(t);const i=sa(e.r,sa(e.g,e.b)),n=Fa(i.lessThan(.08),i.sub(Qn(6.25,i.mul(i))),.04);e.subAssign(n);const o=ia(e.r,ia(e.g,e.b));Fi(o.lessThan(r),(()=>e));const a=Yn(1,r),u=Yn(1,a.mul(a).div(o.add(a.sub(r))));e.mulAssign(u.div(o));const l=Yn(1,Zn(1,s.mul(o.sub(u)).add(1)));return ba(e,$i(u),l)})).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class vy extends Vs{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.code=e,this.includes=t,this.language=r}isGlobal(){return!0}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const Ny=Ci(vy);class Sy extends vy{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}getNodeType(e){return this.getNodeFunction(e).type}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const o=e.getPropertyName(n),a=this.getNodeFunction(e).getCode(o);return n.code=a+"\n","property"===t?o:e.format(`${o}()`,i,t)}}const Ay=(e,t=[],r="")=>{for(let e=0;e<t.length;e++){const r=t[e];"function"==typeof r&&(t[e]=r.functionNode)}const s=Si(new Sy(e,t,r)),i=(...e)=>s.call(...e);return i.functionNode=s,i};class Ry extends Vs{static get type(){return"ScriptableValueNode"}constructor(e=null){super(),this._value=e,this._cache=null,this.inputType=null,this.outputType=null,this.events=new a,this.isScriptableValueNode=!0}get isScriptableOutputNode(){return null!==this.outputType}set value(e){this._value!==e&&(this._cache&&"URL"===this.inputType&&this.value.value instanceof ArrayBuffer&&(URL.revokeObjectURL(this._cache),this._cache=null),this._value=e,this.events.dispatchEvent({type:"change"}),this.refresh())}get value(){return this._value}refresh(){this.events.dispatchEvent({type:"refresh"})}getValue(){const e=this.value;if(e&&null===this._cache&&"URL"===this.inputType&&e.value instanceof ArrayBuffer)this._cache=URL.createObjectURL(new Blob([e.value]));else if(e&&null!==e.value&&void 0!==e.value&&(("URL"===this.inputType||"String"===this.inputType)&&"string"==typeof e.value||"Number"===this.inputType&&"number"==typeof e.value||"Vector2"===this.inputType&&e.value.isVector2||"Vector3"===this.inputType&&e.value.isVector3||"Vector4"===this.inputType&&e.value.isVector4||"Color"===this.inputType&&e.value.isColor||"Matrix3"===this.inputType&&e.value.isMatrix3||"Matrix4"===this.inputType&&e.value.isMatrix4))return e.value;return this._cache||e}getNodeType(e){return this.value&&this.value.isNode?this.value.getNodeType(e):"float"}setup(){return this.value&&this.value.isNode?this.value:Ii()}serialize(e){super.serialize(e),null!==this.value?"ArrayBuffer"===this.inputType?e.value=Rs(this.value):e.value=this.value?this.value.toJSON(e.meta).uuid:null:e.value=null,e.inputType=this.inputType,e.outputType=this.outputType}deserialize(e){super.deserialize(e);let t=null;null!==e.value&&(t="ArrayBuffer"===e.inputType?Cs(e.value):"Texture"===e.inputType?e.meta.textures[e.value]:e.meta.nodes[e.value]||null),this.value=t,this.inputType=e.inputType,this.outputType=e.outputType}}const Cy=Ci(Ry);class Ey extends Map{get(e,t=null,...r){if(this.has(e))return super.get(e);if(null!==t){const s=t(...r);return this.set(e,s),s}}}class wy{constructor(e){this.scriptableNode=e}get parameters(){return this.scriptableNode.parameters}get layout(){return this.scriptableNode.getLayout()}getInputLayout(e){return this.scriptableNode.getInputLayout(e)}get(e){const t=this.parameters[e];return t?t.getValue():null}}const My=new Ey;class By extends Vs{static get type(){return"ScriptableNode"}constructor(e=null,t={}){super(),this.codeNode=e,this.parameters=t,this._local=new Ey,this._output=Cy(),this._outputs={},this._source=this.source,this._method=null,this._object=null,this._value=null,this._needsOutputUpdate=!0,this.onRefresh=this.onRefresh.bind(this),this.isScriptableNode=!0}get source(){return this.codeNode?this.codeNode.code:""}setLocal(e,t){return this._local.set(e,t)}getLocal(e){return this._local.get(e)}onRefresh(){this._refresh()}getInputLayout(e){for(const t of this.getLayout())if(t.inputType&&(t.id===e||t.name===e))return t}getOutputLayout(e){for(const t of this.getLayout())if(t.outputType&&(t.id===e||t.name===e))return t}setOutput(e,t){const r=this._outputs;return void 0===r[e]?r[e]=Cy(t):r[e].value=t,this}getOutput(e){return this._outputs[e]}getParameter(e){return this.parameters[e]}setParameter(e,t){const r=this.parameters;return t&&t.isScriptableNode?(this.deleteParameter(e),r[e]=t,r[e].getDefaultOutput().events.addEventListener("refresh",this.onRefresh)):t&&t.isScriptableValueNode?(this.deleteParameter(e),r[e]=t,r[e].events.addEventListener("refresh",this.onRefresh)):void 0===r[e]?(r[e]=Cy(t),r[e].events.addEventListener("refresh",this.onRefresh)):r[e].value=t,this}getValue(){return this.getDefaultOutput().getValue()}deleteParameter(e){let t=this.parameters[e];return t&&(t.isScriptableNode&&(t=t.getDefaultOutput()),t.events.removeEventListener("refresh",this.onRefresh)),this}clearParameters(){for(const e of Object.keys(this.parameters))this.deleteParameter(e);return this.needsUpdate=!0,this}call(e,...t){const r=this.getObject()[e];if("function"==typeof r)return r(...t)}async callAsync(e,...t){const r=this.getObject()[e];if("function"==typeof r)return"AsyncFunction"===r.constructor.name?await r(...t):r(...t)}getNodeType(e){return this.getDefaultOutputNode().getNodeType(e)}refresh(e=null){null!==e?this.getOutput(e).refresh():this._refresh()}getObject(){if(this.needsUpdate&&this.dispose(),null!==this._object)return this._object;const e=new wy(this),t=My.get("THREE"),r=My.get("TSL"),s=this.getMethod(),i=[e,this._local,My,()=>this.refresh(),(e,t)=>this.setOutput(e,t),t,r];this._object=s(...i);const n=this._object.layout;if(n&&(!1===n.cache&&this._local.clear(),this._output.outputType=n.outputType||null,Array.isArray(n.elements)))for(const e of n.elements){const t=e.id||e.name;e.inputType&&(void 0===this.getParameter(t)&&this.setParameter(t,null),this.getParameter(t).inputType=e.inputType),e.outputType&&(void 0===this.getOutput(t)&&this.setOutput(t,null),this.getOutput(t).outputType=e.outputType)}return this._object}deserialize(e){super.deserialize(e);for(const e in this.parameters){let t=this.parameters[e];t.isScriptableNode&&(t=t.getDefaultOutput()),t.events.addEventListener("refresh",this.onRefresh)}}getLayout(){return this.getObject().layout}getDefaultOutputNode(){const e=this.getDefaultOutput().value;return e&&e.isNode?e:Ii()}getDefaultOutput(){return this._exec()._output}getMethod(){if(this.needsUpdate&&this.dispose(),null!==this._method)return this._method;const e=["layout","init","main","dispose"].join(", "),t="\nreturn { ...output, "+e+" };",r="var "+e+"; var output = {};\n"+this.codeNode.code+t;return this._method=new Function(...["parameters","local","global","refresh","setOutput","THREE","TSL"],r),this._method}dispose(){null!==this._method&&(this._object&&"function"==typeof this._object.dispose&&this._object.dispose(),this._method=null,this._object=null,this._source=null,this._value=null,this._needsOutputUpdate=!0,this._output.value=null,this._outputs={})}setup(){return this.getDefaultOutputNode()}getCacheKey(e){const t=[ps(this.source),this.getDefaultOutputNode().getCacheKey(e)];for(const r in this.parameters)t.push(this.parameters[r].getCacheKey(e));return gs(t)}set needsUpdate(e){!0===e&&this.dispose()}get needsUpdate(){return this.source!==this._source}_exec(){return null===this.codeNode||(!0===this._needsOutputUpdate&&(this._value=this.call("main"),this._needsOutputUpdate=!1),this._output.value=this._value),this}_refresh(){this.needsUpdate=!0,this._exec(),this._output.refresh()}}const Fy=Ci(By);function Uy(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||bl.z).negate()}const Py=wi((([e,t],r)=>{const s=Uy(r);return Na(e,t,s)})),Iy=wi((([e],t)=>{const r=Uy(t);return e.mul(e,r,r).negate().exp().oneMinus()})),Ly=wi((([e,t])=>qi(t.toFloat().mix(Pn.rgb,e.toVec3()),Pn.a)));let Dy=null,Vy=null;class Oy extends Vs{static get type(){return"RangeNode"}constructor(e=Ii(),t=Ii()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=e.getTypeLength(Ns(this.minNode.value)),r=e.getTypeLength(Ns(this.maxNode.value));return t>r?t:r}getNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.minNode.value,n=this.maxNode.value,o=e.getTypeLength(Ns(i)),a=e.getTypeLength(Ns(n));Dy=Dy||new s,Vy=Vy||new s,Dy.setScalar(0),Vy.setScalar(0),1===o?Dy.setScalar(i):i.isColor?Dy.set(i.r,i.g,i.b,1):Dy.set(i.x,i.y,i.z||0,i.w||0),1===a?Vy.setScalar(n):n.isColor?Vy.set(n.r,n.g,n.b,1):Vy.set(n.x,n.y,n.z||0,n.w||0);const l=4,d=l*t.count,c=new Float32Array(d);for(let e=0;e<d;e++){const t=e%l,r=Dy.getComponent(t),s=Vy.getComponent(t);c[e]=u.lerp(r,s,Math.random())}const h=this.getNodeType(e);if(t.count<=4096)r=Du(c,"vec4",t.count).element(nc).convert(h);else{const t=new C(c,4);e.geometry.setAttribute("__range"+this.id,t),r=du(t).convert(h)}}else r=Ii(0);return r}}const Gy=Ci(Oy);class ky extends Vs{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}getNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(console.warn(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const zy=(e,t)=>Si(new ky(e,t)),$y=zy("numWorkgroups","uvec3"),Wy=zy("workgroupId","uvec3"),Hy=zy("globalId","uvec3"),jy=zy("localId","uvec3"),qy=zy("subgroupSize","uint");const Xy=Ci(class extends Vs{constructor(e){super(),this.scope=e}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}});class Ky extends Os{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.context.assign;if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class Yy extends Vs{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e}label(e){return this.name=e,this}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return Si(new Ky(this,e))}generate(e){return e.getScopedArray(this.name||`${this.scope}Array_${this.id}`,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class Qy extends ks{static get type(){return"AtomicFunctionNode"}constructor(e,t,r,s=null){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.storeNode=s}getInputType(e){return this.pointerNode.getNodeType(e)}getNodeType(e){return this.getInputType(e)}generate(e){const t=this.method,r=this.getNodeType(e),s=this.getInputType(e),i=this.pointerNode,n=this.valueNode,o=[];o.push(`&${i.build(e,s)}`),null!==n&&o.push(n.build(e,s));const a=`${e.getMethod(t,r)}( ${o.join(", ")} )`;if(null!==this.storeNode){const t=this.storeNode.build(e,s);e.addLineFlowCode(`${t} = ${a}`,this)}else e.addLineFlowCode(a,this)}}Qy.ATOMIC_LOAD="atomicLoad",Qy.ATOMIC_STORE="atomicStore",Qy.ATOMIC_ADD="atomicAdd",Qy.ATOMIC_SUB="atomicSub",Qy.ATOMIC_MAX="atomicMax",Qy.ATOMIC_MIN="atomicMin",Qy.ATOMIC_AND="atomicAnd",Qy.ATOMIC_OR="atomicOr",Qy.ATOMIC_XOR="atomicXor";const Zy=Ci(Qy),Jy=(e,t,r,s=null)=>{const i=Zy(e,t,r,s);return i.append(),i};let ex;function tx(e){ex=ex||new WeakMap;let t=ex.get(e);return void 0===t&&ex.set(e,t={}),t}function rx(e){const t=tx(e);return t.shadowMatrix||(t.shadowMatrix=hn("mat4").setGroup(ln).onRenderUpdate((()=>(!0!==e.castShadow&&e.shadow.updateMatrices(e),e.shadow.matrix))))}function sx(e){const t=tx(e);if(void 0===t.projectionUV){const r=rx(e).mul(yl);t.projectionUV=r.xyz.div(r.w)}return t.projectionUV}function ix(e){const t=tx(e);return t.position||(t.position=hn(new r).setGroup(ln).onRenderUpdate(((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld))))}function nx(e){const t=tx(e);return t.targetPosition||(t.targetPosition=hn(new r).setGroup(ln).onRenderUpdate(((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld))))}function ox(e){const t=tx(e);return t.viewPosition||(t.viewPosition=hn(new r).setGroup(ln).onRenderUpdate((({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)})))}const ax=e=>ju.transformDirection(ix(e).sub(nx(e))),ux=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},lx=new WeakMap;class dx extends Vs{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=$i().toVar("totalDiffuse"),this.totalSpecularNode=$i().toVar("totalSpecular"),this.outgoingLightNode=$i().toVar("outgoingLight"),this._lights=[],this._lightNodes=null,this._lightNodesHash=null,this.global=!0}customCacheKey(){const e=[],t=this._lights;for(let r=0;r<t.length;r++)e.push(t[r].id);return gs(e)}getHash(e){if(null===this._lightNodesHash){null===this._lightNodes&&this.setupLightsNode(e);const t=[];for(const e of this._lightNodes)t.push(e.getSelf().getHash());this._lightNodesHash="lights-"+t.join(",")}return this._lightNodesHash}analyze(e){const t=e.getDataFromNode(this);for(const r of t.nodes)r.build(e)}setupLightsNode(e){const t=[],r=this._lightNodes,s=(e=>e.sort(((e,t)=>e.id-t.id)))(this._lights),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(Si(e));else{let s=null;if(null!==r&&(s=ux(e.id,r)),null===s){const r=i.getLightNodeClass(e.constructor);if(null===r){console.warn(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}let s=null;lx.has(e)?s=lx.get(e):(s=Si(new r(e)),lx.set(e,s)),t.push(s)}}this._lightNodes=t}setupLights(e,t){for(const r of t)r.build(e)}setup(e){null===this._lightNodes&&this.setupLightsNode(e);const t=e.context,r=t.lightingModel;let s=this.outgoingLightNode;if(r){const{_lightNodes:i,totalDiffuseNode:n,totalSpecularNode:o}=this;t.outgoingLight=s;const a=e.addStack();e.getDataFromNode(this).nodes=a.nodes,r.start(t,a,e),this.setupLights(e,i),r.indirect(t,a,e);const{backdrop:u,backdropAlpha:l}=t,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=t.reflectedLight;let g=d.add(h);null!==u&&(g=$i(null!==l?l.mix(g,u):u),t.material.transparent=!0),n.assign(g),o.assign(c.add(p)),s.assign(n.add(o)),r.finish(t,a,e),s=s.bypass(e.removeStack())}return s}setLights(e){return this._lights=e,this._lightNodes=null,this._lightNodesHash=null,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class cx extends Vs{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=Ms.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({material:e}){hx.assign(e.shadowPositionNode||yl)}dispose(){this.updateBeforeType=Ms.NONE}}const hx=$i().toVar("shadowPositionWorld");function px(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function gx(e,t){return t=px(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function mx(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function fx(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function yx(e,t){return t=fx(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function xx(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function bx(e,t,r){return r=yx(t,r=gx(e,r))}function Tx(e,t,r){mx(e,r),xx(t,r)}var _x=Object.freeze({__proto__:null,resetRendererAndSceneState:bx,resetRendererState:gx,resetSceneState:yx,restoreRendererAndSceneState:Tx,restoreRendererState:mx,restoreSceneState:xx,saveRendererAndSceneState:function(e,t,r={}){return r=fx(t,r=px(e,r))},saveRendererState:px,saveSceneState:fx});const vx=new WeakMap,Nx=wi((([e,t,r])=>{let s=yl.sub(e).length();return s=s.sub(t).div(r.sub(t)),s=s.saturate(),s})),Sx=e=>{let t=vx.get(e);if(void 0===t){const r=e.isPointLight?(e=>{const t=e.shadow.camera,r=$l("near","float",t).setGroup(ln),s=$l("far","float",t).setGroup(ln),i=Ju(e);return Nx(i,r,s)})(e):null;t=new hh,t.colorNode=qi(0,0,0,1),t.depthNode=r,t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.fog=!1,vx.set(e,t)}return t},Ax=wi((({depthTexture:e,shadowCoord:t})=>Pu(e,t.xy).compare(t.z))),Rx=wi((({depthTexture:e,shadowCoord:t,shadow:r})=>{const s=(t,r)=>Pu(e,t).compare(r),i=$l("mapSize","vec2",r).setGroup(ln),n=$l("radius","float",r).setGroup(ln),o=Oi(1).div(i),a=o.x.negate().mul(n),u=o.y.negate().mul(n),l=o.x.mul(n),d=o.y.mul(n),c=a.div(2),h=u.div(2),p=l.div(2),g=d.div(2);return Kn(s(t.xy.add(Oi(a,u)),t.z),s(t.xy.add(Oi(0,u)),t.z),s(t.xy.add(Oi(l,u)),t.z),s(t.xy.add(Oi(c,h)),t.z),s(t.xy.add(Oi(0,h)),t.z),s(t.xy.add(Oi(p,h)),t.z),s(t.xy.add(Oi(a,0)),t.z),s(t.xy.add(Oi(c,0)),t.z),s(t.xy,t.z),s(t.xy.add(Oi(p,0)),t.z),s(t.xy.add(Oi(l,0)),t.z),s(t.xy.add(Oi(c,g)),t.z),s(t.xy.add(Oi(0,g)),t.z),s(t.xy.add(Oi(p,g)),t.z),s(t.xy.add(Oi(a,d)),t.z),s(t.xy.add(Oi(0,d)),t.z),s(t.xy.add(Oi(l,d)),t.z)).mul(1/17)})),Cx=wi((({depthTexture:e,shadowCoord:t,shadow:r})=>{const s=(t,r)=>Pu(e,t).compare(r),i=$l("mapSize","vec2",r).setGroup(ln),n=Oi(1).div(i),o=n.x,a=n.y,u=t.xy,l=Lo(u.mul(i).add(.5));return u.subAssign(l.mul(n)),Kn(s(u,t.z),s(u.add(Oi(o,0)),t.z),s(u.add(Oi(0,a)),t.z),s(u.add(n),t.z),ba(s(u.add(Oi(o.negate(),0)),t.z),s(u.add(Oi(o.mul(2),0)),t.z),l.x),ba(s(u.add(Oi(o.negate(),a)),t.z),s(u.add(Oi(o.mul(2),a)),t.z),l.x),ba(s(u.add(Oi(0,a.negate())),t.z),s(u.add(Oi(0,a.mul(2))),t.z),l.y),ba(s(u.add(Oi(o,a.negate())),t.z),s(u.add(Oi(o,a.mul(2))),t.z),l.y),ba(ba(s(u.add(Oi(o.negate(),a.negate())),t.z),s(u.add(Oi(o.mul(2),a.negate())),t.z),l.x),ba(s(u.add(Oi(o.negate(),a.mul(2))),t.z),s(u.add(Oi(o.mul(2),a.mul(2))),t.z),l.x),l.y)).mul(1/9)})),Ex=wi((({depthTexture:e,shadowCoord:t})=>{const r=Ii(1).toVar(),s=Pu(e).sample(t.xy).rg,i=oa(t.z,s.x);return Fi(i.notEqual(Ii(1)),(()=>{const e=t.z.sub(s.x),n=ia(0,s.y.mul(s.y));let o=n.div(n.add(e.mul(e)));o=Ta(Yn(o,.3).div(.95-.3)),r.assign(Ta(ia(i,o)))})),r})),wx=wi((({samples:e,radius:t,size:r,shadowPass:s})=>{const i=Ii(0).toVar(),n=Ii(0).toVar(),o=e.lessThanEqual(Ii(1)).select(Ii(0),Ii(2).div(e.sub(1))),a=e.lessThanEqual(Ii(1)).select(Ii(0),Ii(-1));Tc({start:Li(0),end:Li(e),type:"int",condition:"<"},(({i:e})=>{const u=a.add(Ii(e).mul(o)),l=s.sample(Kn(Dc.xy,Oi(0,u).mul(t)).div(r)).x;i.addAssign(l),n.addAssign(l.mul(l))})),i.divAssign(e),n.divAssign(e);const u=Bo(n.sub(i.mul(i)));return Oi(i,u)})),Mx=wi((({samples:e,radius:t,size:r,shadowPass:s})=>{const i=Ii(0).toVar(),n=Ii(0).toVar(),o=e.lessThanEqual(Ii(1)).select(Ii(0),Ii(2).div(e.sub(1))),a=e.lessThanEqual(Ii(1)).select(Ii(0),Ii(-1));Tc({start:Li(0),end:Li(e),type:"int",condition:"<"},(({i:e})=>{const u=a.add(Ii(e).mul(o)),l=s.sample(Kn(Dc.xy,Oi(u,0).mul(t)).div(r));i.addAssign(l.x),n.addAssign(Kn(l.y.mul(l.y),l.x.mul(l.x)))})),i.divAssign(e),n.divAssign(e);const u=Bo(n.sub(i.mul(i)));return Oi(i,u)})),Bx=[Ax,Rx,Cx,Ex];let Fx;const Ux=new xf;class Px extends cx{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this.isShadowNode=!0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){const n=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i});return n.select(o,Ii(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=$l("bias","float",r).setGroup(ln);let n,o=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)o=o.xyz.div(o.w),n=o.z,s.coordinateSystem===d&&(n=n.mul(2).sub(1));else{const e=o.w;o=o.xy.div(e);const t=$l("near","float",r.camera).setGroup(ln),s=$l("far","float",r.camera).setGroup(ln);n=rh(e.negate(),t,s)}return o=$i(o.x,o.y.oneMinus(),n.add(i)),o}getShadowFilterFn(e){return Bx[e]}setupShadow(e){const{renderer:t}=e,{light:r,shadow:s}=this,i=t.shadowMap.type,n=new F(s.mapSize.width,s.mapSize.height);n.compareFunction=Ee;const o=e.createRenderTarget(s.mapSize.width,s.mapSize.height);if(o.depthTexture=n,s.camera.updateProjectionMatrix(),i===we){n.compareFunction=null,this.vsmShadowMapVertical=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Me,type:be}),this.vsmShadowMapHorizontal=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Me,type:be});const t=Pu(n),r=Pu(this.vsmShadowMapVertical.texture),i=$l("blurSamples","float",s).setGroup(ln),o=$l("radius","float",s).setGroup(ln),a=$l("mapSize","vec2",s).setGroup(ln);let u=this.vsmMaterialVertical||(this.vsmMaterialVertical=new hh);u.fragmentNode=wx({samples:i,radius:o,size:a,shadowPass:t}).context(e.getSharedContext()),u.name="VSMVertical",u=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new hh),u.fragmentNode=Mx({samples:i,radius:o,size:a,shadowPass:r}).context(e.getSharedContext()),u.name="VSMHorizontal"}const a=$l("intensity","float",s).setGroup(ln),u=$l("normalBias","float",s).setGroup(ln),l=rx(r).mul(hx.add(Ml.mul(u))),d=this.setupShadowCoord(e,l),c=s.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===c)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const h=i===we?this.vsmShadowMapHorizontal.texture:n,p=this.setupShadowFilter(e,{filterFn:c,shadowTexture:o.texture,depthTexture:h,shadowCoord:d,shadow:s}),g=Pu(o.texture,d),m=ba(1,p.rgb.mix(g,1),a.mul(g.a)).toVar();return this.shadowMap=o,this.shadow.map=o,m}setup(e){if(!1!==e.renderer.shadowMap.enabled)return wi((()=>{let t=this._node;return this.setupShadowPosition(e),null===t&&(this._node=t=this.setupShadow(e)),e.material.shadowNode&&console.warn('THREE.NodeMaterial: ".shadowNode" is deprecated. Use ".castShadowNode" instead.'),e.material.receivedShadowNode&&(t=e.material.receivedShadowNode(t)),t}))()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height),i.render(n,t.camera)}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:o}=e,a=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u,s.camera.layers.mask=o.layers.mask;const l=i.getRenderObjectFunction(),d=i.getMRT(),c=!!d&&d.has("velocity");Fx=bx(i,n,Fx),n.overrideMaterial=Sx(r),i.setRenderObjectFunction(((e,t,r,n,u,l,...d)=>{(!0===e.castShadow||e.receiveShadow&&a===we)&&(c&&(As(e).useVelocity=!0),e.onBeforeShadow(i,e,o,s.camera,n,t.overrideMaterial,l),i.renderObject(e,t,r,n,u,l,...d),e.onAfterShadow(i,e,o,s.camera,n,t.overrideMaterial,l))})),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(l),!0!==r.isPointLight&&a===we&&this.vsmPass(i),Tx(i,n,Fx)}vsmPass(e){const{shadow:t}=this;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height),e.setRenderTarget(this.vsmShadowMapVertical),Ux.material=this.vsmMaterialVertical,Ux.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),Ux.material=this.vsmMaterialHorizontal,Ux.render(e)}dispose(){this.shadowMap.dispose(),this.shadowMap=null,null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null),super.dispose()}updateBefore(e){const{shadow:t}=this;(t.needsUpdate||t.autoUpdate)&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const Ix=(e,t)=>Si(new Px(e,t));class Lx extends Cc{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||hn(this.color).setGroup(ln),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=Ms.FRAME}customCacheKey(){return ms(this.light.id,this.light.castShadow?1:0)}getHash(){return this.light.uuid}setupShadowNode(){return Ix(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const t=this.light.shadow.shadowNode;let s;s=void 0!==t?Si(t):this.setupShadowNode(e),this.shadowNode=s,this.shadowColorNode=r=this.colorNode.mul(s),this.baseColorNode=this.colorNode}this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const Dx=wi((e=>{const{lightDistance:t,cutoffDistance:r,decayExponent:s}=e,i=t.pow(s).max(.01).reciprocal();return r.greaterThan(0).select(i.mul(t.div(r).pow4().oneMinus().clamp().pow2()),i)})),Vx=new e,Ox=wi((([e,t])=>{const r=e.toVar(),s=$o(r),i=Zn(1,ia(s.x,ia(s.y,s.z)));s.mulAssign(i),r.mulAssign(i.mul(t.mul(2).oneMinus()));const n=Oi(r.xy).toVar(),o=t.mul(1.5).oneMinus();return Fi(s.z.greaterThanEqual(o),(()=>{Fi(r.z.greaterThan(0),(()=>{n.x.assign(Yn(4,r.x))}))})).ElseIf(s.x.greaterThanEqual(o),(()=>{const e=Wo(r.x);n.x.assign(r.z.mul(e).add(e.mul(2)))})).ElseIf(s.y.greaterThanEqual(o),(()=>{const e=Wo(r.y);n.x.assign(r.x.add(e.mul(2)).add(2)),n.y.assign(r.z.mul(e).sub(2))})),Oi(.125,.25).mul(n).add(Oi(.375,.75)).flipY()})).setLayout({name:"cubeToUV",type:"vec2",inputs:[{name:"pos",type:"vec3"},{name:"texelSizeY",type:"float"}]}),Gx=wi((({depthTexture:e,bd3D:t,dp:r,texelSize:s})=>Pu(e,Ox(t,s.y)).compare(r))),kx=wi((({depthTexture:e,bd3D:t,dp:r,texelSize:s,shadow:i})=>{const n=$l("radius","float",i).setGroup(ln),o=Oi(-1,1).mul(n).mul(s.y);return Pu(e,Ox(t.add(o.xyy),s.y)).compare(r).add(Pu(e,Ox(t.add(o.yyy),s.y)).compare(r)).add(Pu(e,Ox(t.add(o.xyx),s.y)).compare(r)).add(Pu(e,Ox(t.add(o.yyx),s.y)).compare(r)).add(Pu(e,Ox(t,s.y)).compare(r)).add(Pu(e,Ox(t.add(o.xxy),s.y)).compare(r)).add(Pu(e,Ox(t.add(o.yxy),s.y)).compare(r)).add(Pu(e,Ox(t.add(o.xxx),s.y)).compare(r)).add(Pu(e,Ox(t.add(o.yxx),s.y)).compare(r)).mul(1/9)})),zx=wi((({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s})=>{const i=r.xyz.toVar(),n=i.length(),o=hn("float").setGroup(ln).onRenderUpdate((()=>s.camera.near)),a=hn("float").setGroup(ln).onRenderUpdate((()=>s.camera.far)),u=$l("bias","float",s).setGroup(ln),l=hn(s.mapSize).setGroup(ln),d=Ii(1).toVar();return Fi(n.sub(a).lessThanEqual(0).and(n.sub(o).greaterThanEqual(0)),(()=>{const r=n.sub(o).div(a.sub(o)).toVar();r.addAssign(u);const c=i.normalize(),h=Oi(1).div(l.mul(Oi(4,2)));d.assign(e({depthTexture:t,bd3D:c,dp:r,texelSize:h,shadow:s}))})),d})),$x=new s,Wx=new t,Hx=new t;class jx extends Px{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===Be?Gx:kx}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,shadowTexture:r,depthTexture:s,shadowCoord:i,shadow:n}){return zx({filterFn:t,shadowTexture:r,depthTexture:s,shadowCoord:i,shadow:n})}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,o=t.getFrameExtents();Hx.copy(t.mapSize),Hx.multiply(o),r.setSize(Hx.width,Hx.height),Wx.copy(t.mapSize);const a=i.autoClear,u=i.getClearColor(Vx),l=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha),i.clear();const d=t.getViewportCount();for(let e=0;e<d;e++){const o=t.getViewport(e),a=Wx.x*o.x,u=Hx.y-Wx.y-Wx.y*o.y;$x.set(a,u,Wx.x*o.z,Wx.y*o.w),r.viewport.copy($x),t.updateMatrices(s,e),i.render(n,t.camera)}i.autoClear=a,i.setClearColor(u,l)}}const qx=wi((({color:e,lightViewPosition:t,cutoffDistance:r,decayExponent:s},i)=>{const n=i.context.lightingModel,o=t.sub(bl),a=o.normalize(),u=o.length(),l=Dx({lightDistance:u,cutoffDistance:r,decayExponent:s}),d=e.mul(l),c=i.context.reflectedLight;n.direct({lightDirection:a,lightColor:d,reflectedLight:c},i.stack,i)}));class Xx extends Lx{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=hn(0).setGroup(ln),this.decayExponentNode=hn(2).setGroup(ln)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return((e,t)=>Si(new jx(e,t)))(this.light)}setup(e){super.setup(e),qx({color:this.colorNode,lightViewPosition:ox(this.light),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode}).append()}}const Kx=wi((([e=t()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()})),Yx=wi((([e=Eu()],{renderer:t,material:r})=>{const s=Ii(1).toVar(),i=xa(e.mul(2).sub(1));if(r.alphaToCoverage&&t.samples>1){const e=Ii(i.fwidth()).toVar();s.assign(Na(e.oneMinus(),e.add(1),i).oneMinus())}else i.greaterThan(1).discard();return s})),Qx=wi((([e,t,r])=>{const s=Ii(r).toVar(),i=Ii(t).toVar(),n=Vi(e).toVar();return Fa(n,i,s)})).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),Zx=wi((([e,t])=>{const r=Vi(t).toVar(),s=Ii(e).toVar();return Fa(r,s.negate(),s)})).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),Jx=wi((([e])=>{const t=Ii(e).toVar();return Li(Uo(t))})).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),eb=wi((([e,t])=>{const r=Ii(e).toVar();return t.assign(Jx(r)),r.sub(Ii(t))})),tb=Gm([wi((([e,t,r,s,i,n])=>{const o=Ii(n).toVar(),a=Ii(i).toVar(),u=Ii(s).toVar(),l=Ii(r).toVar(),d=Ii(t).toVar(),c=Ii(e).toVar(),h=Ii(Yn(1,a)).toVar();return Yn(1,o).mul(c.mul(h).add(d.mul(a))).add(o.mul(l.mul(h).add(u.mul(a))))})).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),wi((([e,t,r,s,i,n])=>{const 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Ii(Yn(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(b.mul(v).add(x.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))})).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),wi((([e,t,r,s,i,n,o,a,u,l,d])=>{const c=Ii(d).toVar(),h=Ii(l).toVar(),p=Ii(u).toVar(),g=$i(a).toVar(),m=$i(o).toVar(),f=$i(n).toVar(),y=$i(i).toVar(),x=$i(s).toVar(),b=$i(r).toVar(),T=$i(t).toVar(),_=$i(e).toVar(),v=Ii(Yn(1,p)).toVar(),N=Ii(Yn(1,h)).toVar();return Ii(Yn(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(b.mul(v).add(x.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))})).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),sb=wi((([e,t,r])=>{const s=Ii(r).toVar(),i=Ii(t).toVar(),n=Di(e).toVar(),o=Di(n.bitAnd(Di(7))).toVar(),a=Ii(Qx(o.lessThan(Di(4)),i,s)).toVar(),u=Ii(Qn(2,Qx(o.lessThan(Di(4)),s,i))).toVar();return Zx(a,Vi(o.bitAnd(Di(1)))).add(Zx(u,Vi(o.bitAnd(Di(2)))))})).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),ib=wi((([e,t,r,s])=>{const i=Ii(s).toVar(),n=Ii(r).toVar(),o=Ii(t).toVar(),a=Di(e).toVar(),u=Di(a.bitAnd(Di(15))).toVar(),l=Ii(Qx(u.lessThan(Di(8)),o,n)).toVar(),d=Ii(Qx(u.lessThan(Di(4)),n,Qx(u.equal(Di(12)).or(u.equal(Di(14))),o,i))).toVar();return Zx(l,Vi(u.bitAnd(Di(1)))).add(Zx(d,Vi(u.bitAnd(Di(2)))))})).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),nb=Gm([sb,ib]),ob=wi((([e,t,r])=>{const s=Ii(r).toVar(),i=Ii(t).toVar(),n=Hi(e).toVar();return $i(nb(n.x,i,s),nb(n.y,i,s),nb(n.z,i,s))})).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),ab=wi((([e,t,r,s])=>{const i=Ii(s).toVar(),n=Ii(r).toVar(),o=Ii(t).toVar(),a=Hi(e).toVar();return $i(nb(a.x,o,n,i),nb(a.y,o,n,i),nb(a.z,o,n,i))})).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),ub=Gm([ob,ab]),lb=wi((([e])=>{const t=Ii(e).toVar();return Qn(.6616,t)})).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),db=wi((([e])=>{const t=Ii(e).toVar();return Qn(.982,t)})).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),cb=Gm([lb,wi((([e])=>{const t=$i(e).toVar();return Qn(.6616,t)})).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),hb=Gm([db,wi((([e])=>{const t=$i(e).toVar();return Qn(.982,t)})).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),pb=wi((([e,t])=>{const r=Li(t).toVar(),s=Di(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(Li(32).sub(r)))})).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),gb=wi((([e,t,r])=>{e.subAssign(r),e.bitXorAssign(pb(r,Li(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(pb(e,Li(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(pb(t,Li(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(pb(r,Li(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(pb(e,Li(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(pb(t,Li(4))),t.addAssign(e)})),mb=wi((([e,t,r])=>{const s=Di(r).toVar(),i=Di(t).toVar(),n=Di(e).toVar();return s.bitXorAssign(i),s.subAssign(pb(i,Li(14))),n.bitXorAssign(s),n.subAssign(pb(s,Li(11))),i.bitXorAssign(n),i.subAssign(pb(n,Li(25))),s.bitXorAssign(i),s.subAssign(pb(i,Li(16))),n.bitXorAssign(s),n.subAssign(pb(s,Li(4))),i.bitXorAssign(n),i.subAssign(pb(n,Li(14))),s.bitXorAssign(i),s.subAssign(pb(i,Li(24))),s})).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),fb=wi((([e])=>{const t=Di(e).toVar();return Ii(t).div(Ii(Di(Li(4294967295))))})).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),yb=wi((([e])=>{const t=Ii(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))})).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),xb=Gm([wi((([e])=>{const t=Li(e).toVar(),r=Di(Di(1)).toVar(),s=Di(Di(Li(3735928559)).add(r.shiftLeft(Di(2))).add(Di(13))).toVar();return mb(s.add(Di(t)),s,s)})).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),wi((([e,t])=>{const r=Li(t).toVar(),s=Li(e).toVar(),i=Di(Di(2)).toVar(),n=Di().toVar(),o=Di().toVar(),a=Di().toVar();return n.assign(o.assign(a.assign(Di(Li(3735928559)).add(i.shiftLeft(Di(2))).add(Di(13))))),n.addAssign(Di(s)),o.addAssign(Di(r)),mb(n,o,a)})).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),wi((([e,t,r])=>{const s=Li(r).toVar(),i=Li(t).toVar(),n=Li(e).toVar(),o=Di(Di(3)).toVar(),a=Di().toVar(),u=Di().toVar(),l=Di().toVar();return a.assign(u.assign(l.assign(Di(Li(3735928559)).add(o.shiftLeft(Di(2))).add(Di(13))))),a.addAssign(Di(n)),u.addAssign(Di(i)),l.addAssign(Di(s)),mb(a,u,l)})).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),wi((([e,t,r,s])=>{const i=Li(s).toVar(),n=Li(r).toVar(),o=Li(t).toVar(),a=Li(e).toVar(),u=Di(Di(4)).toVar(),l=Di().toVar(),d=Di().toVar(),c=Di().toVar();return l.assign(d.assign(c.assign(Di(Li(3735928559)).add(u.shiftLeft(Di(2))).add(Di(13))))),l.addAssign(Di(a)),d.addAssign(Di(o)),c.addAssign(Di(n)),gb(l,d,c),l.addAssign(Di(i)),mb(l,d,c)})).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),wi((([e,t,r,s,i])=>{const n=Li(i).toVar(),o=Li(s).toVar(),a=Li(r).toVar(),u=Li(t).toVar(),l=Li(e).toVar(),d=Di(Di(5)).toVar(),c=Di().toVar(),h=Di().toVar(),p=Di().toVar();return c.assign(h.assign(p.assign(Di(Li(3735928559)).add(d.shiftLeft(Di(2))).add(Di(13))))),c.addAssign(Di(l)),h.addAssign(Di(u)),p.addAssign(Di(a)),gb(c,h,p),c.addAssign(Di(o)),h.addAssign(Di(n)),mb(c,h,p)})).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),bb=Gm([wi((([e,t])=>{const r=Li(t).toVar(),s=Li(e).toVar(),i=Di(xb(s,r)).toVar(),n=Hi().toVar();return n.x.assign(i.bitAnd(Li(255))),n.y.assign(i.shiftRight(Li(8)).bitAnd(Li(255))),n.z.assign(i.shiftRight(Li(16)).bitAnd(Li(255))),n})).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),wi((([e,t,r])=>{const s=Li(r).toVar(),i=Li(t).toVar(),n=Li(e).toVar(),o=Di(xb(n,i,s)).toVar(),a=Hi().toVar();return a.x.assign(o.bitAnd(Li(255))),a.y.assign(o.shiftRight(Li(8)).bitAnd(Li(255))),a.z.assign(o.shiftRight(Li(16)).bitAnd(Li(255))),a})).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),Tb=Gm([wi((([e])=>{const t=Oi(e).toVar(),r=Li().toVar(),s=Li().toVar(),i=Ii(eb(t.x,r)).toVar(),n=Ii(eb(t.y,s)).toVar(),o=Ii(yb(i)).toVar(),a=Ii(yb(n)).toVar(),u=Ii(tb(nb(xb(r,s),i,n),nb(xb(r.add(Li(1)),s),i.sub(1),n),nb(xb(r,s.add(Li(1))),i,n.sub(1)),nb(xb(r.add(Li(1)),s.add(Li(1))),i.sub(1),n.sub(1)),o,a)).toVar();return cb(u)})).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),wi((([e])=>{const t=$i(e).toVar(),r=Li().toVar(),s=Li().toVar(),i=Li().toVar(),n=Ii(eb(t.x,r)).toVar(),o=Ii(eb(t.y,s)).toVar(),a=Ii(eb(t.z,i)).toVar(),u=Ii(yb(n)).toVar(),l=Ii(yb(o)).toVar(),d=Ii(yb(a)).toVar(),c=Ii(rb(nb(xb(r,s,i),n,o,a),nb(xb(r.add(Li(1)),s,i),n.sub(1),o,a),nb(xb(r,s.add(Li(1)),i),n,o.sub(1),a),nb(xb(r.add(Li(1)),s.add(Li(1)),i),n.sub(1),o.sub(1),a),nb(xb(r,s,i.add(Li(1))),n,o,a.sub(1)),nb(xb(r.add(Li(1)),s,i.add(Li(1))),n.sub(1),o,a.sub(1)),nb(xb(r,s.add(Li(1)),i.add(Li(1))),n,o.sub(1),a.sub(1)),nb(xb(r.add(Li(1)),s.add(Li(1)),i.add(Li(1))),n.sub(1),o.sub(1),a.sub(1)),u,l,d)).toVar();return hb(c)})).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),_b=Gm([wi((([e])=>{const t=Oi(e).toVar(),r=Li().toVar(),s=Li().toVar(),i=Ii(eb(t.x,r)).toVar(),n=Ii(eb(t.y,s)).toVar(),o=Ii(yb(i)).toVar(),a=Ii(yb(n)).toVar(),u=$i(tb(ub(bb(r,s),i,n),ub(bb(r.add(Li(1)),s),i.sub(1),n),ub(bb(r,s.add(Li(1))),i,n.sub(1)),ub(bb(r.add(Li(1)),s.add(Li(1))),i.sub(1),n.sub(1)),o,a)).toVar();return cb(u)})).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),wi((([e])=>{const t=$i(e).toVar(),r=Li().toVar(),s=Li().toVar(),i=Li().toVar(),n=Ii(eb(t.x,r)).toVar(),o=Ii(eb(t.y,s)).toVar(),a=Ii(eb(t.z,i)).toVar(),u=Ii(yb(n)).toVar(),l=Ii(yb(o)).toVar(),d=Ii(yb(a)).toVar(),c=$i(rb(ub(bb(r,s,i),n,o,a),ub(bb(r.add(Li(1)),s,i),n.sub(1),o,a),ub(bb(r,s.add(Li(1)),i),n,o.sub(1),a),ub(bb(r.add(Li(1)),s.add(Li(1)),i),n.sub(1),o.sub(1),a),ub(bb(r,s,i.add(Li(1))),n,o,a.sub(1)),ub(bb(r.add(Li(1)),s,i.add(Li(1))),n.sub(1),o,a.sub(1)),ub(bb(r,s.add(Li(1)),i.add(Li(1))),n,o.sub(1),a.sub(1)),ub(bb(r.add(Li(1)),s.add(Li(1)),i.add(Li(1))),n.sub(1),o.sub(1),a.sub(1)),u,l,d)).toVar();return hb(c)})).setLayout({name:"mx_perlin_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"}]})]),vb=Gm([wi((([e])=>{const t=Ii(e).toVar(),r=Li(Jx(t)).toVar();return fb(xb(r))})).setLayout({name:"mx_cell_noise_float_0",type:"float",inputs:[{name:"p",type:"float"}]}),wi((([e])=>{const t=Oi(e).toVar(),r=Li(Jx(t.x)).toVar(),s=Li(Jx(t.y)).toVar();return fb(xb(r,s))})).setLayout({name:"mx_cell_noise_float_1",type:"float",inputs:[{name:"p",type:"vec2"}]}),wi((([e])=>{const t=$i(e).toVar(),r=Li(Jx(t.x)).toVar(),s=Li(Jx(t.y)).toVar(),i=Li(Jx(t.z)).toVar();return fb(xb(r,s,i))})).setLayout({name:"mx_cell_noise_float_2",type:"float",inputs:[{name:"p",type:"vec3"}]}),wi((([e])=>{const t=qi(e).toVar(),r=Li(Jx(t.x)).toVar(),s=Li(Jx(t.y)).toVar(),i=Li(Jx(t.z)).toVar(),n=Li(Jx(t.w)).toVar();return fb(xb(r,s,i,n))})).setLayout({name:"mx_cell_noise_float_3",type:"float",inputs:[{name:"p",type:"vec4"}]})]),Nb=Gm([wi((([e])=>{const t=Ii(e).toVar(),r=Li(Jx(t)).toVar();return $i(fb(xb(r,Li(0))),fb(xb(r,Li(1))),fb(xb(r,Li(2))))})).setLayout({name:"mx_cell_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"float"}]}),wi((([e])=>{const t=Oi(e).toVar(),r=Li(Jx(t.x)).toVar(),s=Li(Jx(t.y)).toVar();return $i(fb(xb(r,s,Li(0))),fb(xb(r,s,Li(1))),fb(xb(r,s,Li(2))))})).setLayout({name:"mx_cell_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),wi((([e])=>{const t=$i(e).toVar(),r=Li(Jx(t.x)).toVar(),s=Li(Jx(t.y)).toVar(),i=Li(Jx(t.z)).toVar();return $i(fb(xb(r,s,i,Li(0))),fb(xb(r,s,i,Li(1))),fb(xb(r,s,i,Li(2))))})).setLayout({name:"mx_cell_noise_vec3_2",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),wi((([e])=>{const t=qi(e).toVar(),r=Li(Jx(t.x)).toVar(),s=Li(Jx(t.y)).toVar(),i=Li(Jx(t.z)).toVar(),n=Li(Jx(t.w)).toVar();return $i(fb(xb(r,s,i,n,Li(0))),fb(xb(r,s,i,n,Li(1))),fb(xb(r,s,i,n,Li(2))))})).setLayout({name:"mx_cell_noise_vec3_3",type:"vec3",inputs:[{name:"p",type:"vec4"}]})]),Sb=wi((([e,t,r,s])=>{const i=Ii(s).toVar(),n=Ii(r).toVar(),o=Li(t).toVar(),a=$i(e).toVar(),u=Ii(0).toVar(),l=Ii(1).toVar();return Tc(o,(()=>{u.addAssign(l.mul(Tb(a))),l.mulAssign(i),a.mulAssign(n)})),u})).setLayout({name:"mx_fractal_noise_float",type:"float",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Ab=wi((([e,t,r,s])=>{const i=Ii(s).toVar(),n=Ii(r).toVar(),o=Li(t).toVar(),a=$i(e).toVar(),u=$i(0).toVar(),l=Ii(1).toVar();return Tc(o,(()=>{u.addAssign(l.mul(_b(a))),l.mulAssign(i),a.mulAssign(n)})),u})).setLayout({name:"mx_fractal_noise_vec3",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Rb=wi((([e,t,r,s])=>{const i=Ii(s).toVar(),n=Ii(r).toVar(),o=Li(t).toVar(),a=$i(e).toVar();return Oi(Sb(a,o,n,i),Sb(a.add($i(Li(19),Li(193),Li(17))),o,n,i))})).setLayout({name:"mx_fractal_noise_vec2",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Cb=wi((([e,t,r,s])=>{const i=Ii(s).toVar(),n=Ii(r).toVar(),o=Li(t).toVar(),a=$i(e).toVar(),u=$i(Ab(a,o,n,i)).toVar(),l=Ii(Sb(a.add($i(Li(19),Li(193),Li(17))),o,n,i)).toVar();return qi(u,l)})).setLayout({name:"mx_fractal_noise_vec4",type:"vec4",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Eb=Gm([wi((([e,t,r,s,i,n,o])=>{const a=Li(o).toVar(),u=Ii(n).toVar(),l=Li(i).toVar(),d=Li(s).toVar(),c=Li(r).toVar(),h=Li(t).toVar(),p=Oi(e).toVar(),g=$i(Nb(Oi(h.add(d),c.add(l)))).toVar(),m=Oi(g.x,g.y).toVar();m.subAssign(.5),m.mulAssign(u),m.addAssign(.5);const f=Oi(Oi(Ii(h),Ii(c)).add(m)).toVar(),y=Oi(f.sub(p)).toVar();return Fi(a.equal(Li(2)),(()=>$o(y.x).add($o(y.y)))),Fi(a.equal(Li(3)),(()=>ia($o(y.x),$o(y.y)))),da(y,y)})).setLayout({name:"mx_worley_distance_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),wi((([e,t,r,s,i,n,o,a,u])=>{const l=Li(u).toVar(),d=Ii(a).toVar(),c=Li(o).toVar(),h=Li(n).toVar(),p=Li(i).toVar(),g=Li(s).toVar(),m=Li(r).toVar(),f=Li(t).toVar(),y=$i(e).toVar(),x=$i(Nb($i(f.add(p),m.add(h),g.add(c)))).toVar();x.subAssign(.5),x.mulAssign(d),x.addAssign(.5);const b=$i($i(Ii(f),Ii(m),Ii(g)).add(x)).toVar(),T=$i(b.sub(y)).toVar();return Fi(l.equal(Li(2)),(()=>$o(T.x).add($o(T.y)).add($o(T.z)))),Fi(l.equal(Li(3)),(()=>ia(ia($o(T.x),$o(T.y)),$o(T.z)))),da(T,T)})).setLayout({name:"mx_worley_distance_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"zoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),wb=wi((([e,t,r])=>{const s=Li(r).toVar(),i=Ii(t).toVar(),n=Oi(e).toVar(),o=Li().toVar(),a=Li().toVar(),u=Oi(eb(n.x,o),eb(n.y,a)).toVar(),l=Ii(1e6).toVar();return Tc({start:-1,end:Li(1),name:"x",condition:"<="},(({x:e})=>{Tc({start:-1,end:Li(1),name:"y",condition:"<="},(({y:t})=>{const r=Ii(Eb(u,e,t,o,a,i,s)).toVar();l.assign(sa(l,r))}))})),Fi(s.equal(Li(0)),(()=>{l.assign(Bo(l))})),l})).setLayout({name:"mx_worley_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Mb=wi((([e,t,r])=>{const s=Li(r).toVar(),i=Ii(t).toVar(),n=Oi(e).toVar(),o=Li().toVar(),a=Li().toVar(),u=Oi(eb(n.x,o),eb(n.y,a)).toVar(),l=Oi(1e6,1e6).toVar();return Tc({start:-1,end:Li(1),name:"x",condition:"<="},(({x:e})=>{Tc({start:-1,end:Li(1),name:"y",condition:"<="},(({y:t})=>{const r=Ii(Eb(u,e,t,o,a,i,s)).toVar();Fi(r.lessThan(l.x),(()=>{l.y.assign(l.x),l.x.assign(r)})).ElseIf(r.lessThan(l.y),(()=>{l.y.assign(r)}))}))})),Fi(s.equal(Li(0)),(()=>{l.assign(Bo(l))})),l})).setLayout({name:"mx_worley_noise_vec2_0",type:"vec2",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Bb=wi((([e,t,r])=>{const s=Li(r).toVar(),i=Ii(t).toVar(),n=Oi(e).toVar(),o=Li().toVar(),a=Li().toVar(),u=Oi(eb(n.x,o),eb(n.y,a)).toVar(),l=$i(1e6,1e6,1e6).toVar();return Tc({start:-1,end:Li(1),name:"x",condition:"<="},(({x:e})=>{Tc({start:-1,end:Li(1),name:"y",condition:"<="},(({y:t})=>{const r=Ii(Eb(u,e,t,o,a,i,s)).toVar();Fi(r.lessThan(l.x),(()=>{l.z.assign(l.y),l.y.assign(l.x),l.x.assign(r)})).ElseIf(r.lessThan(l.y),(()=>{l.z.assign(l.y),l.y.assign(r)})).ElseIf(r.lessThan(l.z),(()=>{l.z.assign(r)}))}))})),Fi(s.equal(Li(0)),(()=>{l.assign(Bo(l))})),l})).setLayout({name:"mx_worley_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Fb=Gm([wb,wi((([e,t,r])=>{const s=Li(r).toVar(),i=Ii(t).toVar(),n=$i(e).toVar(),o=Li().toVar(),a=Li().toVar(),u=Li().toVar(),l=$i(eb(n.x,o),eb(n.y,a),eb(n.z,u)).toVar(),d=Ii(1e6).toVar();return Tc({start:-1,end:Li(1),name:"x",condition:"<="},(({x:e})=>{Tc({start:-1,end:Li(1),name:"y",condition:"<="},(({y:t})=>{Tc({start:-1,end:Li(1),name:"z",condition:"<="},(({z:r})=>{const n=Ii(Eb(l,e,t,r,o,a,u,i,s)).toVar();d.assign(sa(d,n))}))}))})),Fi(s.equal(Li(0)),(()=>{d.assign(Bo(d))})),d})).setLayout({name:"mx_worley_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Ub=Gm([Mb,wi((([e,t,r])=>{const s=Li(r).toVar(),i=Ii(t).toVar(),n=$i(e).toVar(),o=Li().toVar(),a=Li().toVar(),u=Li().toVar(),l=$i(eb(n.x,o),eb(n.y,a),eb(n.z,u)).toVar(),d=Oi(1e6,1e6).toVar();return Tc({start:-1,end:Li(1),name:"x",condition:"<="},(({x:e})=>{Tc({start:-1,end:Li(1),name:"y",condition:"<="},(({y:t})=>{Tc({start:-1,end:Li(1),name:"z",condition:"<="},(({z:r})=>{const n=Ii(Eb(l,e,t,r,o,a,u,i,s)).toVar();Fi(n.lessThan(d.x),(()=>{d.y.assign(d.x),d.x.assign(n)})).ElseIf(n.lessThan(d.y),(()=>{d.y.assign(n)}))}))}))})),Fi(s.equal(Li(0)),(()=>{d.assign(Bo(d))})),d})).setLayout({name:"mx_worley_noise_vec2_1",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Pb=Gm([Bb,wi((([e,t,r])=>{const s=Li(r).toVar(),i=Ii(t).toVar(),n=$i(e).toVar(),o=Li().toVar(),a=Li().toVar(),u=Li().toVar(),l=$i(eb(n.x,o),eb(n.y,a),eb(n.z,u)).toVar(),d=$i(1e6,1e6,1e6).toVar();return Tc({start:-1,end:Li(1),name:"x",condition:"<="},(({x:e})=>{Tc({start:-1,end:Li(1),name:"y",condition:"<="},(({y:t})=>{Tc({start:-1,end:Li(1),name:"z",condition:"<="},(({z:r})=>{const n=Ii(Eb(l,e,t,r,o,a,u,i,s)).toVar();Fi(n.lessThan(d.x),(()=>{d.z.assign(d.y),d.y.assign(d.x),d.x.assign(n)})).ElseIf(n.lessThan(d.y),(()=>{d.z.assign(d.y),d.y.assign(n)})).ElseIf(n.lessThan(d.z),(()=>{d.z.assign(n)}))}))}))})),Fi(s.equal(Li(0)),(()=>{d.assign(Bo(d))})),d})).setLayout({name:"mx_worley_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Ib=wi((([e])=>{const t=e.y,r=e.z,s=$i().toVar();return Fi(t.lessThan(1e-4),(()=>{s.assign($i(r,r,r))})).Else((()=>{let i=e.x;i=i.sub(Uo(i)).mul(6).toVar();const n=Li(Zo(i)),o=i.sub(Ii(n)),a=r.mul(t.oneMinus()),u=r.mul(t.mul(o).oneMinus()),l=r.mul(t.mul(o.oneMinus()).oneMinus());Fi(n.equal(Li(0)),(()=>{s.assign($i(r,l,a))})).ElseIf(n.equal(Li(1)),(()=>{s.assign($i(u,r,a))})).ElseIf(n.equal(Li(2)),(()=>{s.assign($i(a,r,l))})).ElseIf(n.equal(Li(3)),(()=>{s.assign($i(a,u,r))})).ElseIf(n.equal(Li(4)),(()=>{s.assign($i(l,a,r))})).Else((()=>{s.assign($i(r,a,u))}))})),s})).setLayout({name:"mx_hsvtorgb",type:"vec3",inputs:[{name:"hsv",type:"vec3"}]}),Lb=wi((([e])=>{const t=$i(e).toVar(),r=Ii(t.x).toVar(),s=Ii(t.y).toVar(),i=Ii(t.z).toVar(),n=Ii(sa(r,sa(s,i))).toVar(),o=Ii(ia(r,ia(s,i))).toVar(),a=Ii(o.sub(n)).toVar(),u=Ii().toVar(),l=Ii().toVar(),d=Ii().toVar();return d.assign(o),Fi(o.greaterThan(0),(()=>{l.assign(a.div(o))})).Else((()=>{l.assign(0)})),Fi(l.lessThanEqual(0),(()=>{u.assign(0)})).Else((()=>{Fi(r.greaterThanEqual(o),(()=>{u.assign(s.sub(i).div(a))})).ElseIf(s.greaterThanEqual(o),(()=>{u.assign(Kn(2,i.sub(r).div(a)))})).Else((()=>{u.assign(Kn(4,r.sub(s).div(a)))})),u.mulAssign(1/6),Fi(u.lessThan(0),(()=>{u.addAssign(1)}))})),$i(u,l,d)})).setLayout({name:"mx_rgbtohsv",type:"vec3",inputs:[{name:"c",type:"vec3"}]}),Db=wi((([e])=>{const t=$i(e).toVar(),r=ji(so(t,$i(.04045))).toVar(),s=$i(t.div(12.92)).toVar(),i=$i(ha(ia(t.add($i(.055)),$i(0)).div(1.055),$i(2.4))).toVar();return ba(s,i,r)})).setLayout({name:"mx_srgb_texture_to_lin_rec709",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Vb=(e,t)=>{e=Ii(e),t=Ii(t);const r=Oi(t.dFdx(),t.dFdy()).length().mul(.7071067811865476);return Na(e.sub(r),e.add(r),t)},Ob=(e,t,r,s)=>ba(e,t,r[s].clamp()),Gb=(e,t,r,s,i)=>ba(e,t,Vb(r,s[i])),kb=wi((([e,t,r])=>{const s=Io(e).toVar("nDir"),i=Yn(Ii(.5).mul(t.sub(r)),yl).div(s).toVar("rbmax"),n=Yn(Ii(-.5).mul(t.sub(r)),yl).div(s).toVar("rbmin"),o=$i().toVar("rbminmax");o.x=s.x.greaterThan(Ii(0)).select(i.x,n.x),o.y=s.y.greaterThan(Ii(0)).select(i.y,n.y),o.z=s.z.greaterThan(Ii(0)).select(i.z,n.z);const a=sa(sa(o.x,o.y),o.z).toVar("correction");return yl.add(s.mul(a)).toVar("boxIntersection").sub(r)})),zb=wi((([e,t])=>{const r=e.x,s=e.y,i=e.z;let n=t.element(0).mul(.886227);return n=n.add(t.element(1).mul(1.023328).mul(s)),n=n.add(t.element(2).mul(1.023328).mul(i)),n=n.add(t.element(3).mul(1.023328).mul(r)),n=n.add(t.element(4).mul(.858086).mul(r).mul(s)),n=n.add(t.element(5).mul(.858086).mul(s).mul(i)),n=n.add(t.element(6).mul(i.mul(i).mul(.743125).sub(.247708))),n=n.add(t.element(7).mul(.858086).mul(r).mul(i)),n=n.add(t.element(8).mul(.429043).mul(Qn(r,r).sub(Qn(s,s)))),n}));var 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Use "blendBurn" instead.'),Xf(e)),bvec2:zi,bvec3:ji,bvec4:Yi,bypass:yu,cache:mu,call:qn,cameraFar:$u,cameraIndex:ku,cameraNear:zu,cameraNormalMatrix:Xu,cameraPosition:Ku,cameraProjectionMatrix:Wu,cameraProjectionMatrixInverse:Hu,cameraViewMatrix:ju,cameraWorldMatrix:qu,cbrt:ya,cdl:iy,ceil:Po,checker:Kx,cineonToneMapping:gy,clamp:Ta,clearcoat:Tn,clearcoatRoughness:_n,code:Ny,color:Pi,colorSpaceToWorking:Ja,colorToDirection:e=>Si(e).mul(2).sub(1),compute:pu,cond:Ua,context:Ia,convert:tn,convertColorSpace:(e,t,r)=>Si(new Ka(Si(e),t,r)),convertToTexture:(e,...t)=>e.isTextureNode?e:e.isPassNode?e.getTextureNode():_f(e,...t),cos:Vo,cross:ca,cubeTexture:Gl,dFdx:Xo,dFdy:Ko,dashSize:In,defaultBuildStages:Ps,defaultShaderStages:Us,defined:_i,degrees:Ro,deltaTime:zm,densityFog:function(e,t){return console.warn('THREE.TSL: "densityFog( color, density )" is deprecated. Use "fog( color, densityFogFactor( density ) )" instead.'),Ly(e,Iy(t))},densityFogFactor:Iy,depth:ih,depthPass:(e,t,r)=>Si(new dy(dy.DEPTH,e,t,r)),difference:la,diffuseColor:fn,directPointLight:qx,directionToColor:vh,dispersion:$n,distance:ua,div:Zn,dodge:(...e)=>(console.warn('THREE.TSL: "dodge" has been renamed. Use "blendDodge" instead.'),Kf(e)),dot:da,drawIndex:lc,dynamicBufferAttribute:lu,element:en,emissive:yn,equal:eo,equals:ra,equirectUV:Rh,exp:Co,exp2:Eo,expression:vu,faceDirection:Nl,faceForward:Sa,faceforward:wa,float:Ii,floor:Uo,fog:Ly,fract:Lo,frameGroup:un,frameId:$m,frontFacing:vl,fwidth:Jo,gain:(e,t)=>e.lessThan(.5)?Pm(e.mul(2),t).div(2):Yn(1,Pm(Qn(Yn(1,e),2),t).div(2)),gapSize:Ln,getConstNodeType:vi,getCurrentStack:Bi,getDirection:Zp,getDistanceAttenuation:Dx,getGeometryRoughness:Xh,getNormalFromDepth:Sf,getParallaxCorrectNormal:kb,getRoughness:Kh,getScreenPosition:Nf,getShIrradianceAt:zb,getTextureIndex:Mm,getViewPosition:vf,globalId:Hy,glsl:(e,t)=>Ny(e,t,"glsl"),glslFn:(e,t)=>Ay(e,t,"glsl"),grayscale:Jf,greaterThan:so,greaterThanEqual:no,hash:Um,highpModelNormalViewMatrix:pl,highpModelViewMatrix:hl,hue:ry,instance:cc,instanceIndex:nc,instancedArray:(e,t="float")=>{const r=vs(t),s=_s(t),i=new Af(e,r,s);return Mf(i,t,e)},instancedBufferAttribute:du,instancedDynamicBufferAttribute:cu,instancedMesh:pc,int:Li,inverseSqrt:Fo,inversesqrt:Ma,invocationLocalIndex:uc,invocationSubgroupIndex:ac,ior:Vn,iridescence:Sn,iridescenceIOR:An,iridescenceThickness:Rn,ivec2:Gi,ivec3:Wi,ivec4:Xi,js:(e,t)=>Ny(e,t,"js"),label:La,length:Ho,lengthSq:xa,lessThan:ro,lessThanEqual:io,lightPosition:ix,lightProjectionUV:sx,lightShadowMatrix:rx,lightTargetDirection:ax,lightTargetPosition:nx,lightViewPosition:ox,lightingContext:Mc,lights:(e=[])=>Si(new dx).setLights(e),linearDepth:nh,linearToneMapping:hy,localId:jy,log:wo,log2:Mo,logarithmicDepthToViewZ:(e,t,r)=>{const s=e.mul(wo(r.div(t)));return Ii(Math.E).pow(s).mul(t).negate()},loop:(...e)=>(console.warn("TSL.LoopNode: loop() has been renamed to Loop()."),Tc(...e)),luminance:sy,mat2:Qi,mat3:Zi,mat4:Ji,matcapUV:Ng,materialAO:ec,materialAlphaTest:xd,materialAnisotropy:Dd,materialAnisotropyVector:tc,materialAttenuationColor:Hd,materialAttenuationDistance:Wd,materialClearcoat:Bd,materialClearcoatNormal:Ud,materialClearcoatRoughness:Fd,materialColor:bd,materialDispersion:Zd,materialEmissive:_d,materialIOR:$d,materialIridescence:Vd,materialIridescenceIOR:Od,materialIridescenceThickness:Gd,materialLightMap:Jd,materialLineDashOffset:Yd,materialLineDashSize:qd,materialLineGapSize:Xd,materialLineScale:jd,materialLineWidth:Kd,materialMetalness:wd,materialNormal:Md,materialOpacity:vd,materialPointSize:Qd,materialReference:jl,materialReflectivity:Cd,materialRefractionRatio:Pl,materialRotation:Pd,materialRoughness:Ed,materialSheen:Id,materialSheenRoughness:Ld,materialShininess:Td,materialSpecular:Nd,materialSpecularColor:Ad,materialSpecularIntensity:Sd,materialSpecularStrength:Rd,materialThickness:zd,materialTransmission:kd,max:ia,maxMipLevel:Fu,mediumpModelViewMatrix:cl,metalness:bn,min:sa,mix:ba,mixElement:Ra,mod:na,modInt:Jn,modelDirection:sl,modelNormalMatrix:ul,modelPosition:nl,modelScale:ol,modelViewMatrix:dl,modelViewPosition:al,modelViewProjection:rc,modelWorldMatrix:il,modelWorldMatrixInverse:ll,morphReference:Rc,mrt:Fm,mul:Qn,mx_aastep:Vb,mx_cell_noise_float:(e=Eu())=>vb(e.convert("vec2|vec3")),mx_contrast:(e,t=1,r=.5)=>Ii(e).sub(r).mul(t).add(r),mx_fractal_noise_float:(e=Eu(),t=3,r=2,s=.5,i=1)=>Sb(e,Li(t),r,s).mul(i),mx_fractal_noise_vec2:(e=Eu(),t=3,r=2,s=.5,i=1)=>Rb(e,Li(t),r,s).mul(i),mx_fractal_noise_vec3:(e=Eu(),t=3,r=2,s=.5,i=1)=>Ab(e,Li(t),r,s).mul(i),mx_fractal_noise_vec4:(e=Eu(),t=3,r=2,s=.5,i=1)=>Cb(e,Li(t),r,s).mul(i),mx_hsvtorgb:Ib,mx_noise_float:(e=Eu(),t=1,r=0)=>Tb(e.convert("vec2|vec3")).mul(t).add(r),mx_noise_vec3:(e=Eu(),t=1,r=0)=>_b(e.convert("vec2|vec3")).mul(t).add(r),mx_noise_vec4:(e=Eu(),t=1,r=0)=>{e=e.convert("vec2|vec3");return qi(_b(e),Tb(e.add(Oi(19,73)))).mul(t).add(r)},mx_ramplr:(e,t,r=Eu())=>Ob(e,t,r,"x"),mx_ramptb:(e,t,r=Eu())=>Ob(e,t,r,"y"),mx_rgbtohsv:Lb,mx_safepower:(e,t=1)=>(e=Ii(e)).abs().pow(t).mul(e.sign()),mx_splitlr:(e,t,r,s=Eu())=>Gb(e,t,r,s,"x"),mx_splittb:(e,t,r,s=Eu())=>Gb(e,t,r,s,"y"),mx_srgb_texture_to_lin_rec709:Db,mx_transform_uv:(e=1,t=0,r=Eu())=>r.mul(e).add(t),mx_worley_noise_float:(e=Eu(),t=1)=>Fb(e.convert("vec2|vec3"),t,Li(1)),mx_worley_noise_vec2:(e=Eu(),t=1)=>Ub(e.convert("vec2|vec3"),t,Li(1)),mx_worley_noise_vec3:(e=Eu(),t=1)=>Pb(e.convert("vec2|vec3"),t,Li(1)),negate:jo,neutralToneMapping:_y,nodeArray:Ri,nodeImmutable:Ei,nodeObject:Si,nodeObjects:Ai,nodeProxy:Ci,normalFlat:Rl,normalGeometry:Sl,normalLocal:Al,normalMap:cd,normalView:Cl,normalWorld:El,normalize:Io,not:uo,notEqual:to,numWorkgroups:$y,objectDirection:Qu,objectGroup:dn,objectPosition:Ju,objectScale:el,objectViewPosition:tl,objectWorldMatrix:Zu,oneMinus:qo,or:ao,orthographicDepthToViewZ:(e,t,r)=>t.sub(r).mul(e).sub(t),oscSawtooth:(e=km)=>e.fract(),oscSine:(e=km)=>e.add(.75).mul(2*Math.PI).sin().mul(.5).add(.5),oscSquare:(e=km)=>e.fract().round(),oscTriangle:(e=km)=>e.add(.5).fract().mul(2).sub(1).abs(),output:Pn,outputStruct:wm,overlay:(...e)=>(console.warn('THREE.TSL: "overlay" has been renamed. Use "blendOverlay" instead.'),Qf(e)),overloadingFn:Gm,parabola:Pm,parallaxDirection:ad,parallaxUV:(e,t)=>e.sub(ad.mul(t)),parameter:(e,t)=>Si(new Am(e,t)),pass:(e,t,r)=>Si(new dy(dy.COLOR,e,t,r)),passTexture:(e,t)=>Si(new uy(e,t)),pcurve:(e,t,r)=>ha(Zn(ha(e,t),Kn(ha(e,t),ha(Yn(1,e),r))),1/t),perspectiveDepthToViewZ:th,pmremTexture:ag,pointUV:Uf,pointWidth:Dn,positionGeometry:gl,positionLocal:ml,positionPrevious:fl,positionView:bl,positionViewDirection:Tl,positionWorld:yl,positionWorldDirection:xl,posterize:oy,pow:ha,pow2:pa,pow3:ga,pow4:ma,property:gn,radians:Ao,rand:Aa,range:Gy,rangeFog:function(e,t,r){return console.warn('THREE.TSL: "rangeFog( color, near, far )" is deprecated. Use "fog( color, rangeFogFactor( near, far ) )" instead.'),Ly(e,Py(t,r))},rangeFogFactor:Py,reciprocal:Qo,reference:$l,referenceBuffer:Wl,reflect:aa,reflectVector:Dl,reflectView:Il,reflector:e=>Si(new pf(e)),refract:va,refractVector:Vl,refractView:Ll,reinhardToneMapping:py,remainder:yo,remap:bu,remapClamp:Tu,renderGroup:ln,renderOutput:Au,rendererReference:su,rotate:Cg,rotateUV:Wm,roughness:xn,round:Yo,rtt:_f,sRGBTransferEOTF:Ha,sRGBTransferOETF:ja,sampler:e=>(!0===e.isNode?e:Pu(e)).convert("sampler"),saturate:_a,saturation:ey,screen:(...e)=>(console.warn('THREE.TSL: "screen" has been renamed. Use "blendScreen" instead.'),Yf(e)),screenCoordinate:Dc,screenSize:Lc,screenUV:Ic,scriptable:Fy,scriptableValue:Cy,select:Fa,setCurrentStack:Mi,shaderStages:Is,shadow:Ix,shadowPositionWorld:hx,shapeCircle:Yx,sharedUniformGroup:an,sheen:vn,sheenRoughness:Nn,shiftLeft:mo,shiftRight:fo,shininess:Un,sign:Wo,sin:Do,sinc:(e,t)=>Do(_o.mul(t.mul(e).sub(1))).div(_o.mul(t.mul(e).sub(1))),skinning:e=>Si(new yc(e)),skinningReference:xc,smoothstep:Na,smoothstepElement:Ca,specularColor:Bn,specularF90:Fn,spherizeUV:Hm,split:(e,t)=>Si(new Ws(Si(e),t)),spritesheetUV:Km,sqrt:Bo,stack:Cm,step:oa,storage:Mf,storageBarrier:()=>Xy("storage").append(),storageObject:(e,t,r)=>(console.warn('THREE.TSL: "storageObject()" is deprecated. Use "storage().setPBO( true )" instead.'),Mf(e,t,r).setPBO(!0)),storageTexture:kf,string:(e="")=>Si(new Xs(e,"string")),sub:Yn,subgroupIndex:oc,subgroupSize:qy,tan:Oo,tangentGeometry:ql,tangentLocal:Xl,tangentView:Kl,tangentWorld:Yl,temp:ka,texture:Pu,texture3D:Dg,textureBarrier:()=>Xy("texture").append(),textureBicubic:vp,textureCubeUV:Jp,textureLoad:Iu,textureSize:Mu,textureStore:(e,t,r)=>{const s=kf(e,t,r);return null!==r&&s.append(),s},thickness:Gn,time:km,timerDelta:(e=1)=>(console.warn('TSL: timerDelta() is deprecated. Use "deltaTime" instead.'),zm.mul(e)),timerGlobal:(e=1)=>(console.warn('TSL: timerGlobal() is deprecated. Use "time" instead.'),km.mul(e)),timerLocal:(e=1)=>(console.warn('TSL: timerLocal() is deprecated. Use "time" instead.'),km.mul(e)),toOutputColorSpace:Ya,toWorkingColorSpace:Qa,toneMapping:nu,toneMappingExposure:ou,toonOutlinePass:(t,r,s=new e(0,0,0),i=.003,n=1)=>Si(new cy(t,r,Si(s),Si(i),Si(n))),transformDirection:fa,transformNormal:Fl,transformNormalToView:Ul,transformedBentNormalView:ud,transformedBitangentView:id,transformedBitangentWorld:nd,transformedClearcoatNormalView:Bl,transformedNormalView:wl,transformedNormalWorld:Ml,transformedTangentView:Ql,transformedTangentWorld:Zl,transmission:On,transpose:ea,triNoise3D:Dm,triplanarTexture:(...e)=>Qm(...e),triplanarTextures:Qm,trunc:Zo,tslFn:(...e)=>(console.warn("TSL.ShaderNode: tslFn() has been renamed to Fn()."),wi(...e)),uint:Di,uniform:hn,uniformArray:Gu,uniformGroup:on,uniforms:(e,t)=>(console.warn("TSL.UniformArrayNode: uniforms() has been renamed to uniformArray()."),Si(new Ou(e,t))),userData:(e,t,r)=>Si(new zf(e,t,r)),uv:Eu,uvec2:ki,uvec3:Hi,uvec4:Ki,varying:$a,varyingProperty:mn,vec2:Oi,vec3:$i,vec4:qi,vectorComponents:Ls,velocity:qf,vertexColor:e=>Si(new Bf(e)),vertexIndex:ic,vertexStage:Wa,vibrance:ty,viewZToLogarithmicDepth:rh,viewZToOrthographicDepth:Jc,viewZToPerspectiveDepth:eh,viewport:Vc,viewportBottomLeft:Wc,viewportCoordinate:Gc,viewportDepthTexture:Qc,viewportLinearDepth:oh,viewportMipTexture:Xc,viewportResolution:zc,viewportSafeUV:qm,viewportSharedTexture:bh,viewportSize:Oc,viewportTexture:qc,viewportTopLeft:$c,viewportUV:kc,wgsl:(e,t)=>Ny(e,t,"wgsl"),wgslFn:(e,t)=>Ay(e,t,"wgsl"),workgroupArray:(e,t)=>Si(new Yy("Workgroup",e,t)),workgroupBarrier:()=>Xy("workgroup").append(),workgroupId:Wy,workingToColorSpace:Za,xor:lo});const Wb=new Sm;class Hb extends Hg{constructor(e,t){super(),this.renderer=e,this.nodes=t}update(e,t,r){const s=this.renderer,i=this.nodes.getBackgroundNode(e)||e.background;let n=!1;if(null===i)s._clearColor.getRGB(Wb,Ce),Wb.a=s._clearColor.a;else if(!0===i.isColor)i.getRGB(Wb,Ce),Wb.a=1,n=!0;else if(!0===i.isNode){const r=this.get(e),n=i;Wb.copy(s._clearColor);let o=r.backgroundMesh;if(void 0===o){const e=Ia(qi(n).mul(Vf),{getUV:()=>Of.mul(El),getTextureLevel:()=>Df});let t=rc;t=t.setZ(t.w);const s=new hh;s.name="Background.material",s.side=_,s.depthTest=!1,s.depthWrite=!1,s.fog=!1,s.lights=!1,s.vertexNode=t,s.colorNode=e,r.backgroundMeshNode=e,r.backgroundMesh=o=new k(new Fe(1,32,32),s),o.frustumCulled=!1,o.name="Background.mesh",o.onBeforeRender=function(e,t,r){this.matrixWorld.copyPosition(r.matrixWorld)}}const a=n.getCacheKey();r.backgroundCacheKey!==a&&(r.backgroundMeshNode.node=qi(n).mul(Vf),r.backgroundMeshNode.needsUpdate=!0,o.material.needsUpdate=!0,r.backgroundCacheKey=a),t.unshift(o,o.geometry,o.material,0,0,null,null)}else console.error("THREE.Renderer: Unsupported background configuration.",i);const o=s.xr.getEnvironmentBlendMode();if("additive"===o?Wb.set(0,0,0,1):"alpha-blend"===o&&Wb.set(0,0,0,0),!0===s.autoClear||!0===n){const e=r.clearColorValue;e.r=Wb.r,e.g=Wb.g,e.b=Wb.b,e.a=Wb.a,!0!==s.backend.isWebGLBackend&&!0!==s.alpha||(e.r*=e.a,e.g*=e.a,e.b*=e.a),r.depthClearValue=s._clearDepth,r.stencilClearValue=s._clearStencil,r.clearColor=!0===s.autoClearColor,r.clearDepth=!0===s.autoClearDepth,r.clearStencil=!0===s.autoClearStencil}else r.clearColor=!1,r.clearDepth=!1,r.clearStencil=!1}}let jb=0;class qb{constructor(e="",t=[],r=0,s=[]){this.name=e,this.bindings=t,this.index=r,this.bindingsReference=s,this.id=jb++}}class Xb{constructor(e,t,r,s,i,n,o,a,u,l=[]){this.vertexShader=e,this.fragmentShader=t,this.computeShader=r,this.transforms=l,this.nodeAttributes=s,this.bindings=i,this.updateNodes=n,this.updateBeforeNodes=o,this.updateAfterNodes=a,this.observer=u,this.usedTimes=0}createBindings(){const e=[];for(const t of this.bindings){if(!0!==t.bindings[0].groupNode.shared){const r=new qb(t.name,[],t.index,t);e.push(r);for(const e of t.bindings)r.bindings.push(e.clone())}else e.push(t)}return e}}class Kb{constructor(e,t,r=null){this.isNodeAttribute=!0,this.name=e,this.type=t,this.node=r}}class Yb{constructor(e,t,r){this.isNodeUniform=!0,this.name=e,this.type=t,this.node=r.getSelf()}get value(){return this.node.value}set value(e){this.node.value=e}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class Qb{constructor(e,t,r=!1,s=null){this.isNodeVar=!0,this.name=e,this.type=t,this.readOnly=r,this.count=s}}class Zb extends Qb{constructor(e,t){super(e,t),this.needsInterpolation=!1,this.isNodeVarying=!0}}class Jb{constructor(e,t,r=""){this.name=e,this.type=t,this.code=r,Object.defineProperty(this,"isNodeCode",{value:!0})}}let eT=0;class tT{constructor(e=null){this.id=eT++,this.nodesData=new WeakMap,this.parent=e}getData(e){let t=this.nodesData.get(e);return void 0===t&&null!==this.parent&&(t=this.parent.getData(e)),t}setData(e,t){this.nodesData.set(e,t)}}class rT extends Vs{static get type(){return"StructTypeNode"}constructor(e,t){super(),this.name=e,this.types=t,this.isStructTypeNode=!0}getMemberTypes(){return this.types}}class sT{constructor(e,t){this.name=e,this.value=t,this.boundary=0,this.itemSize=0,this.offset=0}setValue(e){this.value=e}getValue(){return this.value}}class iT extends sT{constructor(e,t=0){super(e,t),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class nT extends sT{constructor(e,r=new t){super(e,r),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class oT extends sT{constructor(e,t=new r){super(e,t),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class aT extends sT{constructor(e,t=new s){super(e,t),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class uT extends sT{constructor(t,r=new e){super(t,r),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class lT extends sT{constructor(e,t=new i){super(e,t),this.isMatrix2Uniform=!0,this.boundary=16,this.itemSize=4}}class dT extends sT{constructor(e,t=new n){super(e,t),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class cT extends sT{constructor(e,t=new o){super(e,t),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class hT extends iT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class pT extends nT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class gT extends oT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class mT extends aT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class fT extends uT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class yT extends lT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class xT extends dT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class bT extends cT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}const TT=[.125,.215,.35,.446,.526,.582],_T=20,vT=new _e(-1,1,1,-1,0,1),NT=new Pe(90,1),ST=new e;let AT=null,RT=0,CT=0;const ET=(1+Math.sqrt(5))/2,wT=1/ET,MT=[new r(-ET,wT,0),new r(ET,wT,0),new r(-wT,0,ET),new r(wT,0,ET),new r(0,ET,-wT),new r(0,ET,wT),new r(-1,1,-1),new r(1,1,-1),new r(-1,1,1),new r(1,1,1)],BT=new WeakMap,FT=[3,1,5,0,4,2],UT=Zp(Eu(),Cu("faceIndex")).normalize(),PT=$i(UT.x,UT.y,UT.z);class IT{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i=null){if(this._setSize(256),!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromScene() called before the backend is initialized. Try using .fromSceneAsync() instead.");const n=i||this._allocateTargets();return this.fromSceneAsync(e,t,r,s,n),n}AT=this._renderer.getRenderTarget(),RT=this._renderer.getActiveCubeFace(),CT=this._renderer.getActiveMipmapLevel();const n=i||this._allocateTargets();return n.depthBuffer=!0,this._sceneToCubeUV(e,r,s,n),t>0&&this._blur(n,0,0,t),this._applyPMREM(n),this._cleanup(n),n}async fromSceneAsync(e,t=0,r=.1,s=100,i=null){return!1===this._hasInitialized&&await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Try using .fromEquirectangularAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTargets();return this.fromEquirectangularAsync(e,r),r}return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return!1===this._hasInitialized&&await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromCubemap() called before the backend is initialized. Try using .fromCubemapAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTargets();return this.fromCubemapAsync(e,t),r}return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return!1===this._hasInitialized&&await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=OT(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=GT(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===v||e.mapping===N?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodPlanes.length;e++)this._lodPlanes[e].dispose()}_cleanup(e){this._renderer.setRenderTarget(AT,RT,CT),e.scissorTest=!1,DT(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),AT=this._renderer.getRenderTarget(),RT=this._renderer.getActiveCubeFace(),CT=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTargets();return this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTargets(){const e=3*Math.max(this._cubeSize,112),t=4*this._cubeSize,s={magFilter:$,minFilter:$,generateMipmaps:!1,type:be,format:Ie,colorSpace:Ce},i=LT(e,t,s);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e||this._pingPongRenderTarget.height!==t){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=LT(e,t,s);const{_lodMax:i}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas,lodMeshes:this._lodMeshes}=function(e){const t=[],r=[],s=[],i=[];let n=e;const o=e-4+1+TT.length;for(let a=0;a<o;a++){const o=Math.pow(2,n);r.push(o);let u=1/o;a>e-4?u=TT[a-e+4-1]:0===a&&(u=0),s.push(u);const l=1/(o-2),d=-l,c=1+l,h=[d,d,c,d,c,c,d,d,c,c,d,c],p=6,g=6,m=3,f=2,y=1,x=new Float32Array(m*g*p),b=new Float32Array(f*g*p),T=new Float32Array(y*g*p);for(let e=0;e<p;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=FT[e];x.set(s,m*g*i),b.set(h,f*g*i);const n=[i,i,i,i,i,i];T.set(n,y*g*i)}const _=new ve;_.setAttribute("position",new Se(x,m)),_.setAttribute("uv",new Se(b,f)),_.setAttribute("faceIndex",new Se(T,y)),t.push(_),i.push(new k(_,null)),n>4&&n--}return{lodPlanes:t,sizeLods:r,sigmas:s,lodMeshes:i}}(i)),this._blurMaterial=function(e,t,s){const i=Gu(new Array(_T).fill(0)),n=hn(new r(0,1,0)),o=hn(0),a=Ii(_T),u=hn(0),l=hn(1),d=Pu(null),c=hn(0),h=Ii(1/t),p=Ii(1/s),g=Ii(e),m={n:a,latitudinal:u,weights:i,poleAxis:n,outputDirection:PT,dTheta:o,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=VT("blur");return f.fragmentNode=rg({...m,latitudinal:u.equal(1)}),BT.set(f,m),f}(i,e,t)}return i}async _compileMaterial(e){const t=new k(this._lodPlanes[0],e);await this._renderer.compile(t,vT)}_sceneToCubeUV(e,t,r,s){const i=NT;i.near=t,i.far=r;const n=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],a=this._renderer,u=a.autoClear;a.getClearColor(ST),a.autoClear=!1;let l=this._backgroundBox;if(null===l){const e=new Q({name:"PMREM.Background",side:_,depthWrite:!1,depthTest:!1});l=new k(new G,e)}let d=!1;const c=e.background;c?c.isColor&&(l.material.color.copy(c),e.background=null,d=!0):(l.material.color.copy(ST),d=!0),a.setRenderTarget(s),a.clear(),d&&a.render(l,i);for(let t=0;t<6;t++){const r=t%3;0===r?(i.up.set(0,n[t],0),i.lookAt(o[t],0,0)):1===r?(i.up.set(0,0,n[t]),i.lookAt(0,o[t],0)):(i.up.set(0,n[t],0),i.lookAt(0,0,o[t]));const u=this._cubeSize;DT(s,r*u,t>2?u:0,u,u),a.render(e,i)}a.autoClear=u,e.background=c}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===v||e.mapping===N;s?null===this._cubemapMaterial&&(this._cubemapMaterial=OT(e)):null===this._equirectMaterial&&(this._equirectMaterial=GT(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const o=this._cubeSize;DT(t,0,0,3*o,2*o),r.setRenderTarget(t),r.render(n,vT)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodPlanes.length;for(let t=1;t<s;t++){const r=Math.sqrt(this._sigmas[t]*this._sigmas[t]-this._sigmas[t-1]*this._sigmas[t-1]),i=MT[(s-t-1)%MT.length];this._blur(e,t-1,t,r,i)}t.autoClear=r}_blur(e,t,r,s,i){const 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this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}buildFunctionNode(e){const t=new Sy,r=this.currentFunctionNode;return this.currentFunctionNode=t,t.code=this.buildFunctionCode(e),this.currentFunctionNode=r,t}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new Am(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.cache,n=this.buildStage,o=this.stack,a={code:""};this.flow=a,this.vars={},this.cache=new tT,this.stack=Cm();for(const r of Ps)this.setBuildStage(r),a.result=e.build(this,t);return a.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.cache=i,this.stack=o,this.setBuildStage(n),a}getFunctionOperator(){return null}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.shaderStage;this.setShaderStage(e);const n=this.flowChildNode(t,r);return null!==s&&(n.code+=`${this.tab+s} = ${n.result};\n`),this.flowCode[e]=this.flowCode[e]+n.code,this.setShaderStage(i),n}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){console.warn("Abstract function.")}getVaryings(){console.warn("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e){let t="";const r=this.vars[e];if(void 0!==r)for(const e of r)t+=`${this.getVar(e.type,e.name)}; `;return t}getUniforms(){console.warn("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){console.warn("Abstract function.")}build(){const{object:e,material:t,renderer:r}=this;if(null!==t){let e=r.library.fromMaterial(t);null===e&&(console.error(`NodeMaterial: Material "${t.type}" is not compatible.`),e=new hh),e.build(this)}else this.addFlow("compute",e);for(const e of Ps){this.setBuildStage(e),this.context.vertex&&this.context.vertex.isNode&&this.flowNodeFromShaderStage("vertex",this.context.vertex);for(const t of Is){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getNodeUniform(e,t){if("float"===t||"int"===t||"uint"===t)return new hT(e);if("vec2"===t||"ivec2"===t||"uvec2"===t)return new pT(e);if("vec3"===t||"ivec3"===t||"uvec3"===t)return new gT(e);if("vec4"===t||"ivec4"===t||"uvec4"===t)return new mT(e);if("color"===t)return new fT(e);if("mat2"===t)return new yT(e);if("mat3"===t)return new xT(e);if("mat4"===t)return new bT(e);throw new Error(`Uniform "${t}" not declared.`)}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}(${e}[0].xyz, ${e}[1].xyz, ${e}[2].xyz)`:9===s&&4===i?`${this.getType(r)}(${e}[0].xy, ${e}[1].xy)`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?this.format(`${e}.${"xyz".slice(0,i)}`,this.getTypeFromLength(i,this.getComponentType(t)),r):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${Oe} - Node System\n`}createNodeMaterial(e="NodeMaterial"){throw new Error(`THREE.NodeBuilder: createNodeMaterial() was deprecated. Use new ${e}() instead.`)}}class HT{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderMap:new WeakMap,frameMap:new WeakMap},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===Ms.FRAME){const{frameMap:t}=this._getMaps(this.updateBeforeMap,r);t.get(r)!==this.frameId&&!1!==e.updateBefore(this)&&t.set(r,this.frameId)}else if(t===Ms.RENDER){const{renderMap:t}=this._getMaps(this.updateBeforeMap,r);t.get(r)!==this.renderId&&!1!==e.updateBefore(this)&&t.set(r,this.renderId)}else t===Ms.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===Ms.FRAME){const{frameMap:t}=this._getMaps(this.updateAfterMap,r);t.get(r)!==this.frameId&&!1!==e.updateAfter(this)&&t.set(r,this.frameId)}else if(t===Ms.RENDER){const{renderMap:t}=this._getMaps(this.updateAfterMap,r);t.get(r)!==this.renderId&&!1!==e.updateAfter(this)&&t.set(r,this.renderId)}else t===Ms.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===Ms.FRAME){const{frameMap:t}=this._getMaps(this.updateMap,r);t.get(r)!==this.frameId&&!1!==e.update(this)&&t.set(r,this.frameId)}else if(t===Ms.RENDER){const{renderMap:t}=this._getMaps(this.updateMap,r);t.get(r)!==this.renderId&&!1!==e.update(this)&&t.set(r,this.renderId)}else t===Ms.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class jT{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}jT.isNodeFunctionInput=!0;class qT extends Lx{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setup(e){super.setup(e);const t=e.context.lightingModel,r=this.colorNode,s=ax(this.light),i=e.context.reflectedLight;t.direct({lightDirection:s,lightColor:r,reflectedLight:i},e.stack,e)}}const XT=new o,KT=new o;let YT=null;class QT extends Lx{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=hn(new r).setGroup(ln),this.halfWidth=hn(new r).setGroup(ln),this.updateType=Ms.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;KT.identity(),XT.copy(t.matrixWorld),XT.premultiply(r),KT.extractRotation(XT),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(KT),this.halfHeight.value.applyMatrix4(KT)}setup(e){let t,r;super.setup(e),e.isAvailable("float32Filterable")?(t=Pu(YT.LTC_FLOAT_1),r=Pu(YT.LTC_FLOAT_2)):(t=Pu(YT.LTC_HALF_1),r=Pu(YT.LTC_HALF_2));const{colorNode:s,light:i}=this,n=e.context.lightingModel,o=ox(i),a=e.context.reflectedLight;n.directRectArea({lightColor:s,lightPosition:o,halfWidth:this.halfWidth,halfHeight:this.halfHeight,reflectedLight:a,ltc_1:t,ltc_2:r},e.stack,e)}static setLTC(e){YT=e}}class ZT extends Lx{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=hn(0).setGroup(ln),this.penumbraCosNode=hn(0).setGroup(ln),this.cutoffDistanceNode=hn(0).setGroup(ln),this.decayExponentNode=hn(0).setGroup(ln)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e){const{coneCosNode:t,penumbraCosNode:r}=this;return Na(t,r,e)}setup(e){super.setup(e);const t=e.context.lightingModel,{colorNode:r,cutoffDistanceNode:s,decayExponentNode:i,light:n}=this,o=ox(n).sub(bl),a=o.normalize(),u=a.dot(ax(n)),l=this.getSpotAttenuation(u),d=o.length(),c=Dx({lightDistance:d,cutoffDistance:s,decayExponent:i});let h=r.mul(l).mul(c);if(n.map){const e=sx(n),t=Pu(n.map,e.xy).onRenderUpdate((()=>n.map));h=e.mul(2).sub(1).abs().lessThan(1).all().select(h.mul(t),h)}const p=e.context.reflectedLight;t.direct({lightDirection:a,lightColor:h,reflectedLight:p},e.stack,e)}}class JT extends ZT{static get type(){return"IESSpotLightNode"}getSpotAttenuation(e){const t=this.light.iesMap;let r=null;if(t&&!0===t.isTexture){const s=e.acos().mul(1/Math.PI);r=Pu(t,Oi(s,0),0).r}else r=super.getSpotAttenuation(e);return r}}class e_ extends Lx{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class t_ extends Lx{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=ix(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=hn(new e).setGroup(ln)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=Cl.dot(s).mul(.5).add(.5),n=ba(r,t,i);e.context.irradiance.addAssign(n)}}class r_ extends Lx{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=Gu(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=zb(El,this.lightProbe);e.context.irradiance.addAssign(t)}}class s_{parseFunction(){console.warn("Abstract function.")}}class i_{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){console.warn("Abstract function.")}}i_.isNodeFunction=!0;const n_=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,o_=/[a-z_0-9]+/gi,a_="#pragma main";class u_ extends i_{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:o,headerCode:a}=(e=>{const t=(e=e.trim()).indexOf(a_),r=-1!==t?e.slice(t+12):e,s=r.match(n_);if(null!==s&&5===s.length){const i=s[4],n=[];let o=null;for(;null!==(o=o_.exec(i));)n.push(o);const a=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];a.push(new jT(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:a,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=o,this.headerCode=a}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:o}=this;let a=`${s} ${e} ( ${i.trim()} )`;""!==o&&(a=`${o} ${a}`),t=n+a+r}else t="";return t}}class l_ extends s_{parseFunction(e){return new u_(e)}}const d_=new WeakMap,c_=[],h_=[];class p_ extends Hg{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new HT,this.nodeBuilderCache=new Map,this.callHashCache=new Gg,this.groupsData=new Gg,this.cacheLib={}}updateGroup(e){const t=e.groupNode,r=t.name;if(r===dn.name)return!0;if(r===ln.name){const t=this.get(e),r=this.nodeFrame.renderId;return t.renderId!==r&&(t.renderId=r,!0)}if(r===un.name){const t=this.get(e),r=this.nodeFrame.frameId;return t.frameId!==r&&(t.frameId=r,!0)}c_[0]=t,c_[1]=e;let s=this.groupsData.get(c_);return void 0===s&&this.groupsData.set(c_,s={}),c_.length=0,s.version!==t.version&&(s.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}getForRender(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const{nodeBuilderCache:s}=this,i=this.getForRenderCacheKey(e);if(r=s.get(i),void 0===r){const t=this.backend.createNodeBuilder(e.object,this.renderer);t.scene=e.scene,t.material=e.material,t.camera=e.camera,t.context.material=e.material,t.lightsNode=e.lightsNode,t.environmentNode=this.getEnvironmentNode(e.scene),t.fogNode=this.getFogNode(e.scene),t.clippingContext=e.clippingContext,t.build(),r=this._createNodeBuilderState(t),s.set(i,r)}r.usedTimes++,t.nodeBuilderState=r}return r}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r}return r}_createNodeBuilderState(e){return new Xb(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.transforms)}getEnvironmentNode(e){this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){c_[0]=e,c_[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(c_)||{};if(s.callId!==r){const i=this.getEnvironmentNode(e),n=this.getFogNode(e);t&&h_.push(t.getCacheKey(!0)),i&&h_.push(i.getCacheKey()),n&&h_.push(n.getCacheKey()),h_.push(this.renderer.shadowMap.enabled?1:0),s.callId=r,s.cacheKey=gs(h_),this.callHashCache.set(c_,s),h_.length=0}return c_.length=0,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,(()=>{if(!0===r.isCubeTexture||r.mapping===j||r.mapping===q||r.mapping===Ue){if(e.backgroundBlurriness>0||r.mapping===Ue)return ag(r);{let e;return e=!0===r.isCubeTexture?Gl(r):Pu(r),Fh(e)}}if(!0===r.isTexture)return Pu(r,Ic.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&console.error("WebGPUNodes: Unsupported background configuration.",r)}),s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,(()=>{if(r.isFogExp2){const e=$l("color","color",r).setGroup(ln),t=$l("density","float",r).setGroup(ln);return Ly(e,Iy(t))}if(r.isFog){const e=$l("color","color",r).setGroup(ln),t=$l("near","float",r).setGroup(ln),s=$l("far","float",r).setGroup(ln);return Ly(e,Py(t,s))}console.error("THREE.Renderer: Unsupported fog configuration.",r)}));t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,(()=>!0===r.isCubeTexture?Gl(r):!0===r.isTexture?Pu(r):void console.error("Nodes: Unsupported environment configuration.",r)));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace}hasOutputChange(e){return d_.get(e)!==this.getOutputCacheKey()}getOutputNode(e){const t=this.renderer,r=this.getOutputCacheKey(),s=Pu(e,Ic).renderOutput(t.toneMapping,t.currentColorSpace);return d_.set(e,r),s}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new HT,this.nodeBuilderCache=new Map,this.cacheLib={}}}const g_=new ye;class m_{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass,this.viewMatrix=e.viewMatrix)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){g_.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=g_.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=g_.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix=t.matrixWorldInverse,this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let o,a;if(this.clipIntersection?(o=this.intersectionPlanes,a=e.intersectionPlanes.length):(o=this.unionPlanes,a=e.unionPlanes.length),o.length!==a+n){o.length=a+n;for(let e=0;e<n;e++)o[a+e]=new s;r=!0}this.projectPlanes(i,o,a),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new m_(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class f_{constructor(e,t){this.bundleGroup=e,this.camera=t}}const y_=[];class x_{constructor(){this.bundles=new Gg}get(e,t){const r=this.bundles;y_[0]=e,y_[1]=t;let s=r.get(y_);return void 0===s&&(s=new f_(e,t),r.set(y_,s)),y_.length=0,s}dispose(){this.bundles=new Gg}}class b_{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))console.warn(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))console.warn(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`Base class ${t.name} is not a class.`);r.set(t,e)}}}const T_=new dx,__=[];class v_ extends Gg{constructor(){super()}createNode(e=[]){return(new dx).setLights(e)}getNode(e,t){if(e.isQuadMesh)return T_;__[0]=e,__[1]=t;let r=this.get(__);return void 0===r&&(r=this.createNode(),this.set(__,r)),__.length=0,r}}class N_ extends fe{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this.hasExternalTextures=!1,this.autoAllocateDepthBuffer=!0}copy(e){return super.copy(e),this.hasExternalTextures=e.hasExternalTextures,this.autoAllocateDepthBuffer=e.autoAllocateDepthBuffer,this}}const S_=new r,A_=new r;class R_ extends a{constructor(e){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new Pe,this._cameraL.viewport=new s,this._cameraR=new Pe,this._cameraR.viewport=new s,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new Ge,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._currentRenderTarget=null,this._xrRenderTarget=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSize=new t,this._onSessionEvent=E_.bind(this),this._onSessionEnd=w_.bind(this),this._onInputSourcesChange=M_.bind(this),this._onAnimationFrame=B_.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._glProjLayer=null,this._xrFrame=null,this._useLayers="undefined"!=typeof XRWebGLBinding&&"createProjectionLayer"in XRWebGLBinding.prototype}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){if(null!==this._glProjLayer||null!==this._glBaseLayer)return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&console.warn("THREE.XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&console.warn("THREE.XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getFrame(){return this._xrFrame}getSession(){return this._session}async setSession(e){const t=this._renderer,r=t.backend,s=t.getContext();if(this._session=e,null!==e){if(!0===r.isWebGPUBackend)throw new Error('THREE.XRManager: XR is currently not supported with a WebGPU backend. Use WebGL by passing "{ forceWebGL: true }" to the constructor of the renderer.');this._currentRenderTarget=t.getRenderTarget(),e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),await r.makeXRCompatible(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop();const i=s.getContextAttributes();if(!0===this._useLayers){let r=null,n=null,o=null;i.depth&&(o=i.stencil?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24,r=i.stencil?he:pe,n=i.stencil?ge:b);const a={colorFormat:s.RGBA8,depthFormat:o,scaleFactor:this._framebufferScaleFactor},u=new XRWebGLBinding(e,s),l=u.createProjectionLayer(a);this._glBinding=u,this._glProjLayer=l,e.updateRenderState({layers:[l]}),t.setPixelRatio(1),t.setSize(l.textureWidth,l.textureHeight,!1),this._xrRenderTarget=new N_(l.textureWidth,l.textureHeight,{format:Ie,type:me,colorSpace:t.outputColorSpace,depthTexture:new F(l.textureWidth,l.textureHeight,n,void 0,void 0,void 0,void 0,void 0,void 0,r),stencilBuffer:i.stencil,samples:i.antialias?4:0}),this._xrRenderTarget.hasExternalTextures=!0}else{const r={antialias:i.antialias,alpha:!0,depth:i.depth,stencil:i.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},n=new XRWebGLLayer(e,s,r);this._glBaseLayer=n,e.updateRenderState({baseLayer:n}),t.setPixelRatio(1),t.setSize(n.framebufferWidth,n.framebufferHeight,!1),this._xrRenderTarget=new N_(n.framebufferWidth,n.framebufferHeight,{format:Ie,type:me,colorSpace:t.outputColorSpace,stencilBuffer:i.stencil})}this.setFoveation(this.getFoveation()),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,o=this._cameraR;i.near=o.near=n.near=r,i.far=o.far=n.far=s,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),n.layers.mask=2|e.layers.mask,o.layers.mask=4|e.layers.mask,i.layers.mask=n.layers.mask|o.layers.mask;const a=e.parent,u=i.cameras;C_(i,a);for(let e=0;e<u.length;e++)C_(u[e],a);2===u.length?function(e,t,r){S_.setFromMatrixPosition(t.matrixWorld),A_.setFromMatrixPosition(r.matrixWorld);const s=S_.distanceTo(A_),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,o=i[14]/(i[10]-1),a=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=o*d,p=o*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=o+g,r=a+g,i=h-m,n=p+(s-m),d=u*a/r*t,c=l*a/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,o):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*ze*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,a)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new ke,this._controllers[e]=t),t}}function C_(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function E_(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function w_(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}this._currentDepthNear=null,this._currentDepthFar=null,t.backend.setXRTarget(null),t.setRenderTarget(this._currentRenderTarget),this._session=null,this._xrRenderTarget=null,this.isPresenting=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function M_(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const o=t[n];o&&o.connect(i)}}function B_(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,o=this._glBaseLayer,a=this.getReferenceSpace(),u=t.getViewerPose(a);if(this._xrFrame=t,null!==u){const e=u.views;null!==this._glBaseLayer&&n.setXRTarget(o.framebuffer);let t=!1;e.length!==r.cameras.length&&(r.cameras.length=0,t=!0);for(let i=0;i<e.length;i++){const a=e[i];let u;if(!0===this._useLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,a);u=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues?void 0:e.depthStencilTexture)}else u=o.getViewport(a);let l=this._cameras[i];void 0===l&&(l=new Pe,l.layers.enable(i),l.viewport=new s,this._cameras[i]=l),l.matrix.fromArray(a.transform.matrix),l.matrix.decompose(l.position,l.quaternion,l.scale),l.projectionMatrix.fromArray(a.projectionMatrix),l.projectionMatrixInverse.copy(l.projectionMatrix).invert(),l.viewport.set(u.x,u.y,u.width,u.height),0===i&&(r.matrix.copy(l.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===t&&r.cameras.push(l)}i.setRenderTarget(this._xrRenderTarget)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,a)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}const F_=new z,U_=new t,P_=new s,I_=new je,L_=new o,D_=new s;class V_{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,alpha:i=!0,depth:n=!0,stencil:o=!1,antialias:a=!1,samples:u=0,getFallback:l=null}=t;this.domElement=e.getDomElement(),this.backend=e,this.samples=u||!0===a?4:0,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=r,this.outputColorSpace=$e,this.toneMapping=p,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=n,this.stencil=o,this.info=new tm,this.nodes={modelViewMatrix:null,modelNormalViewMatrix:null},this.library=new b_,this.lighting=new v_,this._getFallback=l,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quad=new xf(new hh),this._quad.material.name="Renderer_output",this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const d=!0===this.alpha?0:1;this._clearColor=new Sm(0,0,0,d),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this._initialized=!1,this._initPromise=null,this._compilationPromises=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,type:We},this.xr=new R_(this),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(e,t);const s=this._renderLists.get(e,t),i=this._renderContexts.get(e,t,this._renderTarget),n=e.overrideMaterial||r.material,o=this._objects.get(r,n,e,t,s.lightsNode,i,i.clippingContext),{fragmentShader:a,vertexShader:u}=o.getNodeBuilderState();return{fragmentShader:a,vertexShader:u}}}}async init(){if(this._initialized)throw new Error("Renderer: Backend has already been initialized.");return null!==this._initPromise||(this._initPromise=new Promise((async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new p_(this,r),this._animation=new Og(this._nodes,this.info),this._attributes=new Qg(r),this._background=new Hb(this,this._nodes),this._geometries=new em(this._attributes,this.info),this._textures=new Nm(this,r,this.info),this._pipelines=new am(r,this._nodes),this._bindings=new um(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new Wg(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new gm(this.lighting),this._bundles=new x_,this._renderContexts=new _m,this._animation.start(),this._initialized=!0,e()}))),this._initPromise}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,o=this._currentRenderObjectFunction,a=this._compilationPromises,u=!0===e.isScene?e:F_;null===r&&(r=e);const l=this._renderTarget,d=this._renderContexts.get(r,t,l),c=this._activeMipmapLevel,h=[];this._currentRenderContext=d,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=h,s.renderId++,s.update(),d.depth=this.depth,d.stencil=this.stencil,d.clippingContext||(d.clippingContext=new m_),d.clippingContext.updateGlobal(u,t),u.onBeforeRender(this,e,t,l);const p=this._renderLists.get(e,t);if(p.begin(),this._projectObject(e,t,0,p,d.clippingContext),r!==e&&r.traverseVisible((function(e){e.isLight&&e.layers.test(t.layers)&&p.pushLight(e)})),p.finish(),null!==l){this._textures.updateRenderTarget(l,c);const e=this._textures.get(l);d.textures=e.textures,d.depthTexture=e.depthTexture}else d.textures=null,d.depthTexture=null;this._background.update(u,p,d);const g=p.opaque,m=p.transparent,f=p.transparentDoublePass,y=p.lightsNode;!0===this.opaque&&g.length>0&&this._renderObjects(g,t,u,y),!0===this.transparent&&m.length>0&&this._renderTransparents(m,f,t,u,y),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=o,this._compilationPromises=a,this._handleObjectFunction=this._renderObjectDirect,await Promise.all(h)}async renderAsync(e,t){!1===this._initialized&&await this.init(),this._renderScene(e,t)}async waitForGPU(){await this.backend.waitForGPU()}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),console.error(t),this._isDeviceLost=!0}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,o=this._currentRenderContext,a=this._bundles.get(s,i),u=this.backend.get(a);void 0===u.renderContexts&&(u.renderContexts=new Set);const l=s.version!==u.version,d=!1===u.renderContexts.has(o)||l;if(u.renderContexts.add(o),d){this.backend.beginBundle(o),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=a;const e=n.opaque;!0===this.opaque&&e.length>0&&this._renderObjects(e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(o,a),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(o,a)}render(e,t){if(!1===this._initialized)return console.warn("THREE.Renderer: .render() called before the backend is initialized. Try using .renderAsync() instead."),this.renderAsync(e,t);this._renderScene(e,t)}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this;if(!1===(e!==p)&&!1===(t!==Ce))return null;const{width:r,height:s}=this.getDrawingBufferSize(U_),{depth:i,stencil:n}=this;let o=this._frameBufferTarget;return null===o&&(o=new fe(r,s,{depthBuffer:i,stencilBuffer:n,type:be,format:Ie,colorSpace:Ce,generateMipmaps:!1,minFilter:$,magFilter:$,samples:this.samples}),o.isPostProcessingRenderTarget=!0,this._frameBufferTarget=o),o.depthBuffer=i,o.stencilBuffer=n,o.setSize(r,s),o.viewport.copy(this._viewport),o.scissor.copy(this._scissor),o.viewport.multiplyScalar(this._pixelRatio),o.scissor.multiplyScalar(this._pixelRatio),o.scissorTest=this._scissorTest,o}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,o=this._currentRenderContext,a=this._currentRenderObjectFunction,u=!0===e.isScene?e:F_,l=this._renderTarget,d=this._activeCubeFace,c=this._activeMipmapLevel;let h;null!==s?(h=s,this.setRenderTarget(h)):h=l;const p=this._renderContexts.get(e,t,h);this._currentRenderContext=p,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls;const g=this.coordinateSystem,m=this.xr;if(t.coordinateSystem!==g&&!1===m.isPresenting&&(t.coordinateSystem=g,t.updateProjectionMatrix(),t.isArrayCamera))for(const e of t.cameras)e.coordinateSystem=g,e.updateProjectionMatrix();!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0===m.enabled&&!0===m.isPresenting&&(!0===m.cameraAutoUpdate&&m.updateCamera(t),t=m.getCamera());let f=this._viewport,y=this._scissor,x=this._pixelRatio;null!==h&&(f=h.viewport,y=h.scissor,x=1),this.getDrawingBufferSize(U_),P_.set(0,0,U_.width,U_.height);const b=void 0===f.minDepth?0:f.minDepth,T=void 0===f.maxDepth?1:f.maxDepth;p.viewportValue.copy(f).multiplyScalar(x).floor(),p.viewportValue.width>>=c,p.viewportValue.height>>=c,p.viewportValue.minDepth=b,p.viewportValue.maxDepth=T,p.viewport=!1===p.viewportValue.equals(P_),p.scissorValue.copy(y).multiplyScalar(x).floor(),p.scissor=this._scissorTest&&!1===p.scissorValue.equals(P_),p.scissorValue.width>>=c,p.scissorValue.height>>=c,p.clippingContext||(p.clippingContext=new m_),p.clippingContext.updateGlobal(u,t),u.onBeforeRender(this,e,t,h),L_.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),I_.setFromProjectionMatrix(L_,g);const _=this._renderLists.get(e,t);if(_.begin(),this._projectObject(e,t,0,_,p.clippingContext),_.finish(),!0===this.sortObjects&&_.sort(this._opaqueSort,this._transparentSort),null!==h){this._textures.updateRenderTarget(h,c);const e=this._textures.get(h);p.textures=e.textures,p.depthTexture=e.depthTexture,p.width=e.width,p.height=e.height,p.renderTarget=h,p.depth=h.depthBuffer,p.stencil=h.stencilBuffer}else p.textures=null,p.depthTexture=null,p.width=this.domElement.width,p.height=this.domElement.height,p.depth=this.depth,p.stencil=this.stencil;p.width>>=c,p.height>>=c,p.activeCubeFace=d,p.activeMipmapLevel=c,p.occlusionQueryCount=_.occlusionQueryCount,this._background.update(u,_,p),this.backend.beginRender(p);const{bundles:v,lightsNode:N,transparentDoublePass:S,transparent:A,opaque:R}=_;if(v.length>0&&this._renderBundles(v,u,N),!0===this.opaque&&R.length>0&&this._renderObjects(R,t,u,N),!0===this.transparent&&A.length>0&&this._renderTransparents(A,S,t,u,N),this.backend.finishRender(p),i.renderId=n,this._currentRenderContext=o,this._currentRenderObjectFunction=a,null!==s){this.setRenderTarget(l,d,c);const e=this._quad;this._nodes.hasOutputChange(h.texture)&&(e.material.fragmentNode=this._nodes.getOutputNode(h.texture),e.material.needsUpdate=!0),this._renderScene(e,e.camera,!1)}return u.onAfterRender(this,e,t,h),p}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}async getArrayBufferAsync(e){return await this.backend.getArrayBufferAsync(e)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._initialized&&this.backend.updateSize()}setSize(e,t,r=!0){this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._initialized&&this.backend.updateSize()}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e,this.backend.setScissorTest(e)}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const o=this._viewport;e.isVector4?o.copy(e):o.set(e,t,r,s),o.minDepth=i,o.maxDepth=n}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)return console.warn("THREE.Renderer: .clear() called before the backend is initialized. Try using .clearAsync() instead."),this.clearAsync(e,t,r);const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.getForClear(s),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer}if(i.clearColorValue=this._clearColor,this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget){const e=this._quad;this._nodes.hasOutputChange(s.texture)&&(e.material.fragmentNode=this._nodes.getOutputNode(s.texture),e.material.needsUpdate=!0),this._renderScene(e,e.camera,!1)}}clearColor(){return this.clear(!0,!1,!1)}clearDepth(){return this.clear(!1,!0,!1)}clearStencil(){return this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){!1===this._initialized&&await this.init(),this.clear(e,t,r)}async clearColorAsync(){this.clearAsync(!0,!1,!1)}async clearDepthAsync(){this.clearAsync(!1,!0,!1)}async clearStencilAsync(){this.clearAsync(!1,!1,!0)}get currentToneMapping(){return null!==this._renderTarget?p:this.toneMapping}get currentColorSpace(){return null!==this._renderTarget?Ce:this.outputColorSpace}dispose(){this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),Object.values(this.backend.timestampQueryPool).forEach((e=>{null!==e&&e.dispose()})),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return console.warn("THREE.Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e);const t=this._nodes.nodeFrame,r=t.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,t.renderId=this.info.calls;const s=this.backend,i=this._pipelines,n=this._bindings,o=this._nodes,a=Array.isArray(e)?e:[e];if(void 0===a[0]||!0!==a[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");s.beginCompute(e);for(const t of a){if(!1===i.has(t)){const e=()=>{t.removeEventListener("dispose",e),i.delete(t),n.delete(t),o.delete(t)};t.addEventListener("dispose",e);const r=t.onInitFunction;null!==r&&r.call(t,{renderer:this})}o.updateForCompute(t),n.updateForCompute(t);const r=n.getForCompute(t),a=i.getForCompute(t,r);s.compute(e,t,r,a)}s.finishCompute(e),t.renderId=r}async computeAsync(e){!1===this._initialized&&await this.init(),this.compute(e)}async hasFeatureAsync(e){return!1===this._initialized&&await this.init(),this.backend.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){return!1===this._initialized?(console.warn("THREE.Renderer: .hasFeature() called before the backend is initialized. Try using .hasFeatureAsync() instead."),!1):this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){!1===this._initialized&&await this.init(),this._textures.updateTexture(e)}initTexture(e){!1===this._initialized&&console.warn("THREE.Renderer: .initTexture() called before the backend is initialized. Try using .initTextureAsync() instead."),this._textures.updateTexture(e)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=D_.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void console.error("THREE.Renderer.copyFramebufferToTexture: Invalid rectangle.");t=D_.copy(t).floor()}else t=D_.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t)}copyTextureToTexture(e,t,r=null,s=null,i=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,o=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,o)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){if(!e.frustumCulled||I_.intersectsSprite(e)){!0===this.sortObjects&&D_.setFromMatrixPosition(e.matrixWorld).applyMatrix4(L_);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,D_.z,null,i)}}else if(e.isLineLoop)console.error("THREE.Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if((e.isMesh||e.isLine||e.isPoints)&&(!e.frustumCulled||I_.intersectsObject(e))){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),D_.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(L_)),Array.isArray(n)){const o=t.groups;for(let a=0,u=o.length;a<u;a++){const u=o[a],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,D_.z,u,i)}}else n.visible&&s.push(e,t,n,r,D_.z,null,i)}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,o=n.length;e<o;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=_;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=He;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=de}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,o=e.length;n<o;n++){const{object:o,geometry:a,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(o,r,t,a,u,l,s,d,i)}}renderObject(e,t,r,s,i,n,o,a=null,u=null){let l,d,c;if(e.onBeforeRender(this,t,r,s,i,n),null!==t.overrideMaterial){const e=t.overrideMaterial;i.positionNode&&i.positionNode.isNode&&(l=e.positionNode,e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0,e.isShadowPassMaterial&&(e.side=null===i.shadowSide?i.side:i.shadowSide,i.depthNode&&i.depthNode.isNode&&(c=e.depthNode,e.depthNode=i.depthNode),i.castShadowNode&&i.castShadowNode.isNode&&(d=e.colorNode,e.colorNode=i.castShadowNode)),i=e}!0===i.transparent&&i.side===de&&!1===i.forceSinglePass?(i.side=_,this._handleObjectFunction(e,i,t,r,o,n,a,"backSide"),i.side=He,this._handleObjectFunction(e,i,t,r,o,n,a,u),i.side=de):this._handleObjectFunction(e,i,t,r,o,n,a,u),void 0!==l&&(t.overrideMaterial.positionNode=l),void 0!==c&&(t.overrideMaterial.depthNode=c),void 0!==d&&(t.overrideMaterial.colorNode=d),e.onAfterRender(this,t,r,s,i,n)}_renderObjectDirect(e,t,r,s,i,n,o,a){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,o,a);u.drawRange=e.geometry.drawRange,u.group=n;const l=this._nodes.needsRefresh(u);if(l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u)}_createObjectPipeline(e,t,r,s,i,n,o,a){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,o,a);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}get compile(){return this.compileAsync}}class O_{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}clone(){return Object.assign(new this.constructor,this)}}class G_ extends O_{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t}get byteLength(){return(e=this._buffer.byteLength)+(Yg-e%Yg)%Yg;var e}get buffer(){return this._buffer}update(){return!0}}class k_ extends G_{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let z_=0;class $_ extends k_{constructor(e,t){super("UniformBuffer_"+z_++,e?e.value:null),this.nodeUniform=e,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class W_ extends k_{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[]}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){let e=0;for(let t=0,r=this.uniforms.length;t<r;t++){const r=this.uniforms[t],{boundary:s,itemSize:i}=r,n=e%Yg;0!==n&&Yg-n-s<0?e+=Yg-n:n%s!=0&&(e+=n%s),r.offset=e/this.bytesPerElement,e+=i*this.bytesPerElement}return Math.ceil(e/Yg)*Yg}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void console.error("THREE.WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,t=!0}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,e[i+2]=r[i+2]=s.z,t=!0}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+4]!==s.w){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,e[i+2]=r[i+2]=s.z,e[i+3]=r[i+3]=s.w,t=!0}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const e=this.buffer;e[i+0]=r[i+0]=s.r,e[i+1]=r[i+1]=s.g,e[i+2]=r[i+2]=s.b,t=!0}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const e=this.buffer;e[i+0]=r[i+0]=s[0],e[i+1]=r[i+1]=s[1],e[i+2]=r[i+2]=s[2],e[i+4]=r[i+4]=s[3],e[i+5]=r[i+5]=s[4],e[i+6]=r[i+6]=s[5],e[i+8]=r[i+8]=s[6],e[i+9]=r[i+9]=s[7],e[i+10]=r[i+10]=s[8],t=!0}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let H_=0;class j_ extends W_{constructor(e,t){super(e),this.id=H_++,this.groupNode=t,this.isNodeUniformsGroup=!0}}let q_=0;class X_ extends O_{constructor(e,t){super(e),this.id=q_++,this.texture=t,this.version=t?t.version:0,this.store=!1,this.generation=null,this.isSampledTexture=!0}needsBindingsUpdate(e){const{texture:t}=this;return e!==this.generation?(this.generation=e,!0):t.isVideoTexture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}}class K_ extends X_{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}needsBindingsUpdate(e){return this.textureNode.value!==this.texture||super.needsBindingsUpdate(e)}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class Y_ extends K_{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class Q_ extends K_{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const Z_={textureDimensions:"textureSize",equals:"equal"},J_={low:"lowp",medium:"mediump",high:"highp"},ev={swizzleAssign:!0,storageBuffer:!1},tv="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision lowp sampler2DShadow;\n";class rv extends WT{constructor(e,t){super(e,t,new l_),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]},this.useComparisonMethod=!0}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==x}getMethod(e){return Z_[e]||e}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?Xe:Ke;2===s?n=i?Ye:Me:3===s?n=i?Qe:Ze:4===s&&(n=i?Je:Ie);const o={Float32Array:w,Uint8Array:me,Uint16Array:et,Uint32Array:b,Int8Array:tt,Int16Array:rt,Int32Array:T,Uint8ClampedArray:me},a=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/a);a*u*s<r&&u++;const l=a*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new qe(t.array,a,u,n,o[t.array.constructor.name]||w);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new Uu(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.label)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?t.charAt(0)+"_"+e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.label),n=this.getPropertyName(i);this.increaseUsage(r);const o=r.build(this,"uint"),a=this.getDataFromNode(e);let u=a.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+Ls.join("").slice(0,d),h=`ivec2(${o} % ${l}, ${o} / ${l})`,p=this.generateTextureLoad(null,n,h,null,"0");let g="vec4";s.pbo.type===b?g="uvec4":s.pbo.type===T&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),a.propertyName=u}return u}generateTextureLoad(e,t,r,s,i="0"){return s?`texelFetch( ${t}, ivec3( ${r}, ${s} ), ${i} )`:`texelFetch( ${t}, ${r}, ${i} )`}generateTexture(e,t,r,s){return e.isDepthTexture?`texture( ${t}, ${r} ).x`:(s&&(r=`vec3( ${r}, ${s} )`),`texture( ${t}, ${r} )`)}generateTextureLevel(e,t,r,s){return`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s){return`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s){return`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`texture( ${t}, vec3( ${r}, ${s} ) )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`${this.getVar(e.type,e.name,e.count)};`);return t.join("\n\t")}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const i of t){let t=null,n=!1;if("texture"===i.type){const e=i.node.value;let r="";!0===e.isDataTexture&&(e.type===b?r="u":e.type===T&&(r="i")),t=e.compareFunction?`sampler2DShadow ${i.name};`:!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?`${r}sampler2DArray ${i.name};`:`${r}sampler2D ${i.name};`}else if("cubeTexture"===i.type)t=`samplerCube ${i.name};`;else if("texture3D"===i.type)t=`sampler3D ${i.name};`;else if("buffer"===i.type){const e=i.node,r=this.getType(e.bufferType),s=e.bufferCount,n=s>0?s:"";t=`${e.name} {\n\t${r} ${i.name}[${n}];\n};\n`}else{t=`${this.getVectorType(i.type)} ${this.getPropertyName(i,e)};`,n=!0}const o=i.node.precision;if(null!==o&&(t=J_[o]+" "+t),n){t="\t"+t;const e=i.groupNode.name;(s[e]||(s[e]=[])).push(t)}else t="uniform "+t,r.push(t)}let i="";for(const t in s){const r=s[t];i+=this._getGLSLUniformStruct(e+"_"+t,r.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==T){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[],r=e.getMemberTypes();for(let e=0;e<r.length;e++){const s=r[e];t.push(`layout( location = ${e} ) out ${s} m${e};`)}return t.join("\n")}getStructs(e){const t=[],r=this.structs[e];if(0===r.length)return"layout( location = 0 ) out vec4 fragColor;\n";for(let e=0,s=r.length;e<s;e++){const s=r[e];let i="\n";i+=this.getStructMembers(s),i+="\n",t.push(i)}return t.join("\n\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}${s.needsInterpolation?"out":"/*out*/"} ${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce(((e,t)=>e*t),1)}u`}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":null}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=ev[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}ev[e]=t}return t}isFlipY(){return!0}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);t+=`${s.varyingName} = ${i};\n\t`}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions \n${e.extensions}\n\n// precision\n${tv}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// precision\n${tv}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// codes\n${e.codes}\n\n${e.structs}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${s.result};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${s.result};`)))}const n=e[t];n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let o=n.uniformGPU;if(void 0===o){const s=e.groupNode,a=s.name,u=this.getBindGroupArray(a,r);if("texture"===t)o=new K_(i.name,i.node,s),u.push(o);else if("cubeTexture"===t)o=new Y_(i.name,i.node,s),u.push(o);else if("texture3D"===t)o=new Q_(i.name,i.node,s),u.push(o);else if("buffer"===t){e.name=`NodeBuffer_${e.id}`,i.name=`buffer${e.id}`;const t=new $_(e,s);t.name=e.name,u.push(t),o=t}else{const e=this.uniformGroups[r]||(this.uniformGroups[r]={});let n=e[a];void 0===n&&(n=new j_(r+"_"+a,s),e[a]=n,u.push(n)),o=this.getNodeUniform(i,t),n.addUniform(o)}n.uniformGPU=o}return i}}let sv=null,iv=null;class nv{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={render:null,compute:null}}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}createSampler(){}destroySampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void st("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return void st(`WebGPURenderer: No timestamp query pool for type '${e}' found.`);const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async waitForGPU(){}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getMaxAnisotropy(){}getDrawingBufferSize(){return sv=sv||new t,this.renderer.getDrawingBufferSize(sv)}setScissorTest(){}getClearColor(){const e=this.renderer;return iv=iv||new Sm,e.getClearColor(iv),iv.getRGB(iv,this.renderer.currentColorSpace),iv}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:it(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${Oe} webgpu`),this.domElement=e),e}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}dispose(){}}let ov,av,uv=0;class lv{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class dv{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,o=e.isInterleavedBufferAttribute?e.data:e,a=r.get(o);let u,l=a.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),a.bufferGPU=l,a.bufferType=t,a.version=o.version),i instanceof Float32Array)u=s.FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===T,id:uv++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new lv(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),o=n.bufferType,a=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(o,n.bufferGPU),0===a.length)r.bufferSubData(o,0,s);else{for(let e=0,t=a.length;e<t;e++){const t=a[e];r.bufferSubData(o,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(o,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,{gl:r}=t,s=e.isInterleavedBufferAttribute?e.data:e,{bufferGPU:i}=t.get(s),n=e.array,o=n.byteLength;r.bindBuffer(r.COPY_READ_BUFFER,i);const a=r.createBuffer();r.bindBuffer(r.COPY_WRITE_BUFFER,a),r.bufferData(r.COPY_WRITE_BUFFER,o,r.STREAM_READ),r.copyBufferSubData(r.COPY_READ_BUFFER,r.COPY_WRITE_BUFFER,0,0,o),await t.utils._clientWaitAsync();const u=new e.array.constructor(n.length);return r.bindBuffer(r.COPY_WRITE_BUFFER,a),r.getBufferSubData(r.COPY_WRITE_BUFFER,0,u),r.deleteBuffer(a),r.bindBuffer(r.COPY_READ_BUFFER,null),r.bindBuffer(r.COPY_WRITE_BUFFER,null),u.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class cv{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;ov={[nt]:e.FUNC_ADD,[ot]:e.FUNC_SUBTRACT,[at]:e.FUNC_REVERSE_SUBTRACT},av={[ut]:e.ZERO,[lt]:e.ONE,[dt]:e.SRC_COLOR,[ct]:e.SRC_ALPHA,[ht]:e.SRC_ALPHA_SATURATE,[pt]:e.DST_COLOR,[gt]:e.DST_ALPHA,[mt]:e.ONE_MINUS_SRC_COLOR,[ft]:e.ONE_MINUS_SRC_ALPHA,[yt]:e.ONE_MINUS_DST_COLOR,[xt]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==bt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===Tt?t.cullFace(t.BACK):e===_t?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setBlending(e,t,r,s,i,n,o,a){const{gl:u}=this;if(e!==D){if(!1===this.currentBlendingEnabled&&(this.enable(u.BLEND),this.currentBlendingEnabled=!0),e===vt)i=i||t,n=n||r,o=o||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(u.blendEquationSeparate(ov[t],ov[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&o===this.currentBlendDstAlpha||(u.blendFuncSeparate(av[r],av[s],av[n],av[o]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=o),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||a!==this.currentPremultipledAlpha){if(this.currentBlendEquation===nt&&this.currentBlendEquationAlpha===nt||(u.blendEquation(u.FUNC_ADD),this.currentBlendEquation=nt,this.currentBlendEquationAlpha=nt),a)switch(e){case P:u.blendFuncSeparate(u.ONE,u.ONE_MINUS_SRC_ALPHA,u.ONE,u.ONE_MINUS_SRC_ALPHA);break;case At:u.blendFunc(u.ONE,u.ONE);break;case St:u.blendFuncSeparate(u.ZERO,u.ONE_MINUS_SRC_COLOR,u.ZERO,u.ONE);break;case Nt:u.blendFuncSeparate(u.ZERO,u.SRC_COLOR,u.ZERO,u.SRC_ALPHA);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}else switch(e){case P:u.blendFuncSeparate(u.SRC_ALPHA,u.ONE_MINUS_SRC_ALPHA,u.ONE,u.ONE_MINUS_SRC_ALPHA);break;case At:u.blendFunc(u.SRC_ALPHA,u.ONE);break;case St:u.blendFuncSeparate(u.ZERO,u.ONE_MINUS_SRC_COLOR,u.ZERO,u.ONE);break;case Nt:u.blendFunc(u.ZERO,u.SRC_COLOR);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=a}}else!0===this.currentBlendingEnabled&&(this.disable(u.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case Ut:t.depthFunc(t.NEVER);break;case Ft:t.depthFunc(t.ALWAYS);break;case Bt:t.depthFunc(t.LESS);break;case Mt:t.depthFunc(t.LEQUAL);break;case wt:t.depthFunc(t.EQUAL);break;case Et:t.depthFunc(t.GEQUAL);break;case Ct:t.depthFunc(t.GREATER);break;case Rt:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?t.enable(t.SCISSOR_TEST):t.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===de?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===_;t&&(i=!i),this.setFlipSided(i),e.blending===P&&!1===e.transparent?this.setBlending(D):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.samples>1?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:o}=this;void 0===r&&(r=null===i?s.TEXTURE0+o-1:i);let a=n[r];void 0===a&&(a={type:void 0,texture:void 0},n[r]=a),a.type===e&&a.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),a.type=e,a.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}}class hv{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=x){const{gl:r,extensions:s}=this;let i;if(e===me)return r.UNSIGNED_BYTE;if(e===Pt)return r.UNSIGNED_SHORT_4_4_4_4;if(e===It)return r.UNSIGNED_SHORT_5_5_5_1;if(e===Lt)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===tt)return r.BYTE;if(e===rt)return r.SHORT;if(e===et)return r.UNSIGNED_SHORT;if(e===T)return r.INT;if(e===b)return r.UNSIGNED_INT;if(e===w)return r.FLOAT;if(e===be)return r.HALF_FLOAT;if(e===Dt)return r.ALPHA;if(e===Ze)return r.RGB;if(e===Ie)return r.RGBA;if(e===Vt)return r.LUMINANCE;if(e===Ot)return r.LUMINANCE_ALPHA;if(e===pe)return r.DEPTH_COMPONENT;if(e===he)return r.DEPTH_STENCIL;if(e===Ke)return r.RED;if(e===Xe)return r.RED_INTEGER;if(e===Me)return r.RG;if(e===Ye)return r.RG_INTEGER;if(e===Je)return r.RGBA_INTEGER;if(e===Gt||e===kt||e===zt||e===$t)if(t===$e){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===Gt)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===kt)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===zt)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===$t)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===Gt)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===kt)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===zt)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===$t)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===Wt||e===Ht||e===jt||e===qt){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===Wt)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===Ht)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===jt)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===qt)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===Xt||e===Kt||e===Yt){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===Xt||e===Kt)return t===$e?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===Yt)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC}if(e===Qt||e===Zt||e===Jt||e===er||e===tr||e===rr||e===sr||e===ir||e===nr||e===or||e===ar||e===ur||e===lr||e===dr){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===Qt)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===Zt)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===Jt)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===er)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===tr)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===rr)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===sr)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===ir)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===nr)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===or)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===ar)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===ur)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===lr)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===dr)return t===$e?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===cr){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===cr)return t===$e?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(e===hr||e===pr||e===gr||e===mr){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===cr)return i.COMPRESSED_RED_RGTC1_EXT;if(e===pr)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===gr)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===mr)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===ge?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise(((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()}))}}let pv,gv,mv,fv=!1;class yv{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},!1===fv&&(this._init(),fv=!0)}_init(){const e=this.gl;pv={[fr]:e.REPEAT,[yr]:e.CLAMP_TO_EDGE,[xr]:e.MIRRORED_REPEAT},gv={[br]:e.NEAREST,[Tr]:e.NEAREST_MIPMAP_NEAREST,[De]:e.NEAREST_MIPMAP_LINEAR,[$]:e.LINEAR,[Le]:e.LINEAR_MIPMAP_NEAREST,[B]:e.LINEAR_MIPMAP_LINEAR},mv={[_r]:e.NEVER,[vr]:e.ALWAYS,[Ee]:e.LESS,[Nr]:e.LEQUAL,[Sr]:e.EQUAL,[Ar]:e.GEQUAL,[Rr]:e.GREATER,[Cr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i=!1){const{gl:n,extensions:o}=this;if(null!==e){if(void 0!==n[e])return n[e];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+e+"'")}let a=t;return t===n.RED&&(r===n.FLOAT&&(a=n.R32F),r===n.HALF_FLOAT&&(a=n.R16F),r===n.UNSIGNED_BYTE&&(a=n.R8),r===n.UNSIGNED_SHORT&&(a=n.R16),r===n.UNSIGNED_INT&&(a=n.R32UI),r===n.BYTE&&(a=n.R8I),r===n.SHORT&&(a=n.R16I),r===n.INT&&(a=n.R32I)),t===n.RED_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.R8UI),r===n.UNSIGNED_SHORT&&(a=n.R16UI),r===n.UNSIGNED_INT&&(a=n.R32UI),r===n.BYTE&&(a=n.R8I),r===n.SHORT&&(a=n.R16I),r===n.INT&&(a=n.R32I)),t===n.RG&&(r===n.FLOAT&&(a=n.RG32F),r===n.HALF_FLOAT&&(a=n.RG16F),r===n.UNSIGNED_BYTE&&(a=n.RG8),r===n.UNSIGNED_SHORT&&(a=n.RG16),r===n.UNSIGNED_INT&&(a=n.RG32UI),r===n.BYTE&&(a=n.RG8I),r===n.SHORT&&(a=n.RG16I),r===n.INT&&(a=n.RG32I)),t===n.RG_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RG8UI),r===n.UNSIGNED_SHORT&&(a=n.RG16UI),r===n.UNSIGNED_INT&&(a=n.RG32UI),r===n.BYTE&&(a=n.RG8I),r===n.SHORT&&(a=n.RG16I),r===n.INT&&(a=n.RG32I)),t===n.RGB&&(r===n.FLOAT&&(a=n.RGB32F),r===n.HALF_FLOAT&&(a=n.RGB16F),r===n.UNSIGNED_BYTE&&(a=n.RGB8),r===n.UNSIGNED_SHORT&&(a=n.RGB16),r===n.UNSIGNED_INT&&(a=n.RGB32UI),r===n.BYTE&&(a=n.RGB8I),r===n.SHORT&&(a=n.RGB16I),r===n.INT&&(a=n.RGB32I),r===n.UNSIGNED_BYTE&&(a=s===$e&&!1===i?n.SRGB8:n.RGB8),r===n.UNSIGNED_SHORT_5_6_5&&(a=n.RGB565),r===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1),r===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGB4),r===n.UNSIGNED_INT_5_9_9_9_REV&&(a=n.RGB9_E5)),t===n.RGB_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RGB8UI),r===n.UNSIGNED_SHORT&&(a=n.RGB16UI),r===n.UNSIGNED_INT&&(a=n.RGB32UI),r===n.BYTE&&(a=n.RGB8I),r===n.SHORT&&(a=n.RGB16I),r===n.INT&&(a=n.RGB32I)),t===n.RGBA&&(r===n.FLOAT&&(a=n.RGBA32F),r===n.HALF_FLOAT&&(a=n.RGBA16F),r===n.UNSIGNED_BYTE&&(a=n.RGBA8),r===n.UNSIGNED_SHORT&&(a=n.RGBA16),r===n.UNSIGNED_INT&&(a=n.RGBA32UI),r===n.BYTE&&(a=n.RGBA8I),r===n.SHORT&&(a=n.RGBA16I),r===n.INT&&(a=n.RGBA32I),r===n.UNSIGNED_BYTE&&(a=s===$e&&!1===i?n.SRGB8_ALPHA8:n.RGBA8),r===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGBA4),r===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1)),t===n.RGBA_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RGBA8UI),r===n.UNSIGNED_SHORT&&(a=n.RGBA16UI),r===n.UNSIGNED_INT&&(a=n.RGBA32UI),r===n.BYTE&&(a=n.RGBA8I),r===n.SHORT&&(a=n.RGBA16I),r===n.INT&&(a=n.RGBA32I)),t===n.DEPTH_COMPONENT&&(r===n.UNSIGNED_INT&&(a=n.DEPTH24_STENCIL8),r===n.FLOAT&&(a=n.DEPTH_COMPONENT32F)),t===n.DEPTH_STENCIL&&r===n.UNSIGNED_INT_24_8&&(a=n.DEPTH24_STENCIL8),a!==n.R16F&&a!==n.R32F&&a!==n.RG16F&&a!==n.RG32F&&a!==n.RGBA16F&&a!==n.RGBA32F||o.get("EXT_color_buffer_float"),a}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this;r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),r.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),r.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,r.NONE),r.texParameteri(e,r.TEXTURE_WRAP_S,pv[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,pv[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||r.texParameteri(e,r.TEXTURE_WRAP_R,pv[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,gv[t.magFilter]);const n=void 0!==t.mipmaps&&t.mipmaps.length>0,o=t.minFilter===$&&n?B:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,gv[o]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,mv[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===br)return;if(t.minFilter!==De&&t.minFilter!==B)return;if(t.type===w&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i,isDefault:!0})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:o,depth:a}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,o,a):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,o,a):e.isVideoTexture||r.texStorage2D(h,i,d,n,o),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{textureGPU:i,glTextureType:n,glFormat:o,glType:a}=s.get(t),{width:u,height:l}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(n,i),r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(n,0,0,0,u,l,o,a,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:o,glFormat:a,glType:u,glInternalFormat:l}=this.backend.get(e);if(e.isRenderTargetTexture||void 0===n)return;const d=e=>e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||e instanceof OffscreenCanvas?e:e.data;if(this.backend.state.bindTexture(o,n),this.setTextureParameters(o,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==a?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,a,n.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,a,u,n.data):null!==a?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,a,n.data):console.warn("Unsupported compressed texture format")}}else if(e.isCubeTexture){const e=t.images;for(let t=0;t<6;t++){const n=d(e[t]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+t,0,0,0,s,i,a,u,n)}}else if(e.isDataArrayTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,e.width,e.height,e.depth,a,u,e.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,a,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(o,0,l,a,u,t.image);else{const e=d(t.image);r.texSubImage2D(o,0,0,0,s,i,a,u,e)}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e){const{gl:t,backend:r}=this,{textureGPU:s,renderTarget:i}=r.get(e);this.deallocateRenderBuffers(i),t.deleteTexture(s),r.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0){const{gl:n,backend:o}=this,{state:a}=this.backend,{textureGPU:u,glTextureType:l,glType:d,glFormat:c}=o.get(t);let h,p,g,m,f,y;null!==r?(h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.min.x,m=r.min.y):(h=e.image.width,p=e.image.height,g=0,m=0),null!==s?(f=s.x,y=s.y):(f=0,y=0),a.bindTexture(l,u),n.pixelStorei(n.UNPACK_ALIGNMENT,t.unpackAlignment),n.pixelStorei(n.UNPACK_FLIP_Y_WEBGL,t.flipY),n.pixelStorei(n.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),n.pixelStorei(n.UNPACK_ALIGNMENT,t.unpackAlignment);const x=n.getParameter(n.UNPACK_ROW_LENGTH),b=n.getParameter(n.UNPACK_IMAGE_HEIGHT),T=n.getParameter(n.UNPACK_SKIP_PIXELS),_=n.getParameter(n.UNPACK_SKIP_ROWS),v=n.getParameter(n.UNPACK_SKIP_IMAGES),N=e.isCompressedTexture?e.mipmaps[i]:e.image;if(n.pixelStorei(n.UNPACK_ROW_LENGTH,N.width),n.pixelStorei(n.UNPACK_IMAGE_HEIGHT,N.height),n.pixelStorei(n.UNPACK_SKIP_PIXELS,g),n.pixelStorei(n.UNPACK_SKIP_ROWS,m),e.isRenderTargetTexture||e.isDepthTexture){const r=o.get(e),s=o.get(t),i=o.get(r.renderTarget),u=o.get(s.renderTarget),l=i.framebuffers[r.cacheKey],d=u.framebuffers[s.cacheKey];a.bindFramebuffer(n.READ_FRAMEBUFFER,l),a.bindFramebuffer(n.DRAW_FRAMEBUFFER,d);let c=n.COLOR_BUFFER_BIT;e.isDepthTexture&&(c=n.DEPTH_BUFFER_BIT),n.blitFramebuffer(g,m,h,p,f,y,h,p,c,n.NEAREST),a.bindFramebuffer(n.READ_FRAMEBUFFER,null),a.bindFramebuffer(n.DRAW_FRAMEBUFFER,null)}else e.isDataTexture?n.texSubImage2D(n.TEXTURE_2D,i,f,y,h,p,c,d,N.data):e.isCompressedTexture?n.compressedTexSubImage2D(n.TEXTURE_2D,i,f,y,N.width,N.height,c,N.data):n.texSubImage2D(n.TEXTURE_2D,i,f,y,h,p,c,d,N);n.pixelStorei(n.UNPACK_ROW_LENGTH,x),n.pixelStorei(n.UNPACK_IMAGE_HEIGHT,b),n.pixelStorei(n.UNPACK_SKIP_PIXELS,T),n.pixelStorei(n.UNPACK_SKIP_ROWS,_),n.pixelStorei(n.UNPACK_SKIP_IMAGES,v),0===i&&t.generateMipmaps&&n.generateMipmap(n.TEXTURE_2D),a.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:o,y:a,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==o||0!==a;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-a-l;s.blitFramebuffer(o,p,o+u,p+l,o,p,o+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,o,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,o,c-l-a,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t){const{gl:r}=this,s=t.renderTarget,{samples:i,depthTexture:n,depthBuffer:o,stencilBuffer:a,width:u,height:l}=s;if(r.bindRenderbuffer(r.RENDERBUFFER,e),o&&!a){let t=r.DEPTH_COMPONENT24;i>0?(n&&n.isDepthTexture&&n.type===r.FLOAT&&(t=r.DEPTH_COMPONENT32F),r.renderbufferStorageMultisample(r.RENDERBUFFER,i,t,u,l)):r.renderbufferStorage(r.RENDERBUFFER,t,u,l),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,e)}else o&&a&&(i>0?r.renderbufferStorageMultisample(r.RENDERBUFFER,i,r.DEPTH24_STENCIL8,u,l):r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_STENCIL,u,l),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_STENCIL_ATTACHMENT,r.RENDERBUFFER,e))}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:o,gl:a}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=a.createFramebuffer();a.bindFramebuffer(a.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?a.TEXTURE_CUBE_MAP_POSITIVE_X+n:a.TEXTURE_2D;a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=a.createBuffer();a.bindBuffer(a.PIXEL_PACK_BUFFER,m),a.bufferData(a.PIXEL_PACK_BUFFER,g,a.STREAM_READ),a.readPixels(t,r,s,i,l,d,0),a.bindBuffer(a.PIXEL_PACK_BUFFER,null),await o.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return a.bindBuffer(a.PIXEL_PACK_BUFFER,m),a.getBufferSubData(a.PIXEL_PACK_BUFFER,0,f),a.bindBuffer(a.PIXEL_PACK_BUFFER,null),a.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}}class xv{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class bv{constructor(e){this.backend=e,this.maxAnisotropy=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}const Tv={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBKIT_WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-bc",EXT_texture_compression_bptc:"texture-compression-bptc",EXT_disjoint_timer_query_webgl2:"timestamp-query"};class _v{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:o,index:a}=this;0!==a?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),o.update(i,t,s,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:o,object:a,info:u}=this;0!==r&&(0!==o?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(a,t,i,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:o}=this;if(0===r)return;const a=s.get("WEBGL_multi_draw");if(null===a)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?a.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):a.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];o.update(n,s,i,1)}}renderMultiDrawInstances(e,t,r,s){const{extensions:i,mode:n,object:o,info:a}=this;if(0===r)return;const u=i.get("WEBGL_multi_draw");if(null===u)for(let i=0;i<r;i++)this.renderInstances(e[i],t[i],s[i]);else{0!==this.index?u.multiDrawElementsInstancedWEBGL(n,t,0,this.type,e,0,s,0,r):u.multiDrawArraysInstancedWEBGL(n,e,0,t,0,s,0,r);let i=0;for(let e=0;e<r;e++)i+=t[e]*s[e];a.update(o,i,n,1)}}}class vv{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.pendingResolve=!1}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class Nv extends vv{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return console.warn("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e.id,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e.id);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){console.error("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e.id);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){console.error("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=[];for(const[t,r]of this.queryStates)if("ended"===r){const r=this.queries[t];e.push(this.resolveQuery(r))}if(0===e.length)return this.lastValue;const t=(await Promise.all(e)).reduce(((e,t)=>e+t),0);return this.lastValue=t,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,t}catch(e){return console.error("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise((t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){console.error("Error checking query:",e),t(this.lastValue)}};n()}))}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class Sv extends nv{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this.trackTimestamp=!0===e.trackTimestamp,this._currentContext=null,this._knownBindings=new WeakSet,this._xrFamebuffer=null}init(e){super.init(e);const t=this.parameters,r=void 0!==t.context?t.context:e.domElement.getContext("webgl2");function s(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=s,e.domElement.addEventListener("webglcontextlost",s,!1),this.gl=r,this.extensions=new xv(this),this.capabilities=new bv(this),this.attributeUtils=new dv(this),this.textureUtils=new yv(this),this.bufferRenderer=new _v(this),this.state=new cv(this),this.utils=new hv(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile")}get coordinateSystem(){return l}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}async waitForGPU(){await this.utils._clientWaitAsync()}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFamebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),e.autoAllocateDepthBuffer=!1}}initTimestampQuery(e){if(!this.disjoint||!this.trackTimestamp)return;const t=e.isComputeNode?"compute":"render";this.timestampQueryPool[t]||(this.timestampQueryPool[t]=new Nv(this.gl,t,2048));const r=this.timestampQueryPool[t];null!==r.allocateQueriesForContext(e)&&r.beginQuery(e)}prepareTimestampBuffer(e){if(!this.disjoint||!this.trackTimestamp)return;const t=e.isComputeNode?"compute":"render";this.timestampQueryPool[t].endQuery(e)}getContext(){return this.gl}beginRender(e){const{state:t,gl:r}=this,s=this.get(e);if(this.initTimestampQuery(e),s.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1),e.viewport?this.updateViewport(e):t.viewport(0,0,r.drawingBufferWidth,r.drawingBufferHeight),e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}const i=e.occlusionQueryCount;i>0&&(s.currentOcclusionQueries=s.occlusionQueries,s.currentOcclusionQueryObjects=s.occlusionQueryObjects,s.lastOcclusionObject=null,s.occlusionQueries=new Array(i),s.occlusionQueryObjects=new Array(i),s.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext,n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const o=e.textures;if(null!==o)for(let e=0;e<o.length;e++){const t=o[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,null!==e.textures&&e.renderTarget){const s=this.get(e.renderTarget),{samples:i}=e.renderTarget;if(i>0){const i=s.framebuffers[e.getCacheKey()],n=t.COLOR_BUFFER_BIT,o=s.msaaFrameBuffer,a=e.textures;r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,i);for(let r=0;r<a.length;r++)if(e.scissor){const{x:r,y:i,width:o,height:a}=e.scissorValue,u=e.height-a-i;t.blitFramebuffer(r,u,r+o,u+a,r,u,r+o,u+a,n,t.NEAREST),t.invalidateSubFramebuffer(t.READ_FRAMEBUFFER,s.invalidationArray,r,u,o,a)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,n,t.NEAREST),t.invalidateFramebuffer(t.READ_FRAMEBUFFER,s.invalidationArray)}}null!==i&&(this._setFramebuffer(i),i.viewport?this.updateViewport(i):r.viewport(0,0,t.drawingBufferWidth,t.drawingBufferHeight)),this.prepareTimestampBuffer(e)}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let o=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),o++))}o<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}clear(e,t,r,s=null,i=!0){const{gl:n}=this;if(null===s){const e=this.getClearColor();e.r*=e.a,e.g*=e.a,e.b*=e.a,s={textures:null,clearColorValue:e}}let o=0;if(e&&(o|=n.COLOR_BUFFER_BIT),t&&(o|=n.DEPTH_BUFFER_BIT),r&&(o|=n.STENCIL_BUFFER_BIT),0!==o){let a;if(s.clearColorValue?a=s.clearColorValue:(a=this.getClearColor(),a.r*=a.a,a.g*=a.a,a.b*=a.a),t&&this.state.setDepthMask(!0),null===s.textures)n.clearColor(a.r,a.g,a.b,a.a),n.clear(o);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)n.clearBufferfv(n.COLOR,e,[a.r,a.g,a.b,a.a]);t&&r?n.clearBufferfi(n.DEPTH_STENCIL,0,1,0):t?n.clearBufferfv(n.DEPTH,0,[1]):r&&n.clearBufferiv(n.STENCIL,0,[0])}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(e)}compute(e,t,r,s){const{state:i,gl:n}=this;!1===this.discard&&(n.enable(n.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:a,attributes:u}=this.get(s),l=this._getVaoKey(null,u),d=this.vaoCache[l];void 0===d?this._createVao(null,u):n.bindVertexArray(d),i.useProgram(o),this._bindUniforms(r);const c=this._getTransformFeedback(a);n.bindTransformFeedback(n.TRANSFORM_FEEDBACK,c),n.beginTransformFeedback(n.POINTS),u[0].isStorageInstancedBufferAttribute?n.drawArraysInstanced(n.POINTS,0,1,t.count):n.drawArrays(n.POINTS,0,t.count),n.endTransformFeedback(),n.bindTransformFeedback(n.TRANSFORM_FEEDBACK,null);for(let e=0;e<a.length;e++){const t=a[e];t.pbo&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const t=this.gl;this.discard=!1,t.disable(t.RASTERIZER_DISCARD),this.prepareTimestampBuffer(e),this._currentContext&&this._setFramebuffer(this._currentContext)}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:o}=this.get(r),{gl:a,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),u.useProgram(o);const h=this.get(e);let p=h.staticVao;if(void 0===p||h.geometryId!==e.geometry.id){const t=this._getVaoKey(e.getIndex(),e.getAttributes());if(p=this.vaoCache[t],void 0===p){let t;({vaoGPU:p,staticVao:t}=this._createVao(e.getIndex(),e.getAttributes())),t&&(h.staticVao=p,h.geometryId=e.geometry.id)}}a.bindVertexArray(p);const g=e.getIndex(),m=l.lastOcclusionObject;if(m!==t&&void 0!==m){if(null!==m&&!0===m.occlusionTest&&(a.endQuery(a.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=a.createQuery();a.beginQuery(a.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const f=this.bufferRenderer;t.isPoints?f.mode=a.POINTS:t.isLineSegments?f.mode=a.LINES:t.isLine?f.mode=a.LINE_STRIP:t.isLineLoop?f.mode=a.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),f.mode=a.LINES):f.mode=a.TRIANGLES;const{vertexCount:y,instanceCount:x}=d;let{firstVertex:b}=d;if(f.object=t,null!==g){b*=g.array.BYTES_PER_ELEMENT;const e=this.get(g);f.index=g.count,f.type=e.type}else f.index=0;const T=()=>{t.isBatchedMesh?null!==t._multiDrawInstances?f.renderMultiDrawInstances(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount,t._multiDrawInstances):this.hasFeature("WEBGL_multi_draw")?f.renderMultiDraw(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount):st("THREE.WebGLRenderer: WEBGL_multi_draw not supported."):x>1?f.renderInstances(b,y,x):f.render(b,y)};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=a.createBuffer();e[0]=r,a.bindBuffer(a.UNIFORM_BUFFER,s),a.bufferData(a.UNIFORM_BUFFER,e,a.STATIC_DRAW),t.push(s)}r.indexesGPU=t}const n=this.get(i),o=this.renderer.getPixelRatio();for(let i=0,l=s.length;i<l;i++){const l=s[i];if(t.layers.test(l.layers)){const t=l.viewport,s=t.x*o,d=t.y*o,c=t.width*o,h=t.height*o;u.viewport(Math.floor(s),Math.floor(e.context.height-h-d),Math.floor(c),Math.floor(h)),u.bindBufferBase(a.UNIFORM_BUFFER,n.index,r.indexesGPU[i]),T()}}}else T();a.bindVertexArray(null)}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e){this.textureUtils.destroyTexture(e)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}createSampler(){}destroySampler(){}createNodeBuilder(e,t){return new rv(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,o=r.createProgram(),a=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(o,a),r.attachShader(o,u),r.linkProgram(o),this.set(s,{programGPU:o,fragmentShader:a,vertexShader:u}),null!==t&&this.parallel){const i=new Promise((t=>{const i=this.parallel,n=()=>{r.getProgramParameter(o,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()}));t.push(i)}else this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=e.getShaderInfoLog(t).trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=s.getProgramInfoLog(e).trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),o=this._getShaderErrors(s,t,"fragment");console.error("THREE.WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+o)}else""!==i&&console.warn("THREE.WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:o,vertexShader:a}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,o,a),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,o=s.createProgram(),a=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(o,a),s.attachShader(o,u),s.transformFeedbackVaryings(o,d,s.SEPARATE_ATTRIBS),s.linkProgram(o),!1===s.getProgramParameter(o,s.LINK_STATUS)&&this._logProgramError(o,a,u),r.useProgram(o),this._setupBindings(t,o);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:o,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this,r=this.get(e);let s=r.uniformBuffers,i=r.textures;for(const r of e.bindings)if(r.isUniformsGroup||r.isUniformBuffer){const e=r.buffer,i=t.createBuffer();t.bindBuffer(t.UNIFORM_BUFFER,i),t.bufferData(t.UNIFORM_BUFFER,e,t.DYNAMIC_DRAW),this.set(r,{index:s++,bufferGPU:i})}else if(r.isSampledTexture){const{textureGPU:e,glTextureType:t}=this.get(r.texture);this.set(r,{index:i++,textureGPU:e,glTextureType:t})}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer;t.bindBuffer(t.UNIFORM_BUFFER,r),t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW)}}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(Tv).filter((t=>Tv[t]===e)),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}getMaxAnisotropy(){return this.capabilities.getMaxAnisotropy()}copyTextureToTexture(e,t,r=null,s=null,i=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:o,depthBuffer:a,stencilBuffer:u}=i,l=!0===i.isWebGLCubeRenderTarget,d=!0===i.isRenderTarget3D,c=!0===i.isRenderTargetArray,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i.hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=ym(e);let y;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),y=n.cubeFramebuffers[f]):h&&!1===p?y=this._xrFamebuffer:(n.framebuffers||(n.framebuffers={}),y=n.framebuffers[f]),void 0===y){y=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,y);const s=e.textures;if(l){n.cubeFramebuffers[f]=y;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,0)}else{n.framebuffers[f]=y;for(let r=0;r<s.length;r++){const i=s[r],n=this.get(i);n.renderTarget=e.renderTarget,n.cacheKey=f;const o=t.COLOR_ATTACHMENT0+r;if(d||c){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,o,n.textureGPU,0,e)}else t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,n.textureGPU,0)}r.drawBuffers(e,y)}if(null!==e.depthTexture){const r=this.get(e.depthTexture),s=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;r.renderTarget=e.renderTarget,r.cacheKey=f,t.framebufferTexture2D(t.FRAMEBUFFER,s,t.TEXTURE_2D,r.textureGPU,0)}}else if(h&&p){r.bindFramebuffer(t.FRAMEBUFFER,y);const s=this.get(e.textures[0]);if(t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0),null!==e.depthTexture){const r=this.get(e.depthTexture),s=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTexture2D(t.FRAMEBUFFER,s,t.TEXTURE_2D,r.textureGPU,0)}}if(o>0){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){if(i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r),a){const e=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(e)}const n=e.textures[r],l=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,o,l.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=y}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e,t){let r="";if(null!==e){r+=":"+this.get(e).id}for(let e=0;e<t.length;e++){r+=":"+this.get(t[e]).id}return r}_createVao(e,t){const{gl:r}=this,s=r.createVertexArray();let i="",n=!0;if(r.bindVertexArray(s),null!==e){const t=this.get(e);r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t.bufferGPU),i+=":"+t.id}for(let e=0;e<t.length;e++){const s=t[e],o=this.get(s);let a,u;i+=":"+o.id,r.bindBuffer(r.ARRAY_BUFFER,o.bufferGPU),r.enableVertexAttribArray(e),(s.isStorageBufferAttribute||s.isStorageInstancedBufferAttribute)&&(n=!1),!0===s.isInterleavedBufferAttribute?(a=s.data.stride*o.bytesPerElement,u=s.offset*o.bytesPerElement):(a=0,u=0),o.isInteger?r.vertexAttribIPointer(e,s.itemSize,o.type,a,u):r.vertexAttribPointer(e,s.itemSize,o.type,s.normalized,a,u),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?r.vertexAttribDivisor(e,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&r.vertexAttribDivisor(e,s.data.meshPerAttribute)}return r.bindBuffer(r.ARRAY_BUFFER,null),this.vaoCache[i]=s,{vaoGPU:s,staticVao:n}}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;for(const s of e)for(const e of s.bindings){const s=this.get(e).index;if(e.isUniformsGroup||e.isUniformBuffer){const i=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,i,s)}else if(e.isSampledTexture){const i=r.getUniformLocation(t,e.name);r.uniform1i(i,s)}}}_bindUniforms(e){const{gl:t,state:r}=this;for(const s of e)for(const e of s.bindings){const s=this.get(e),i=s.index;e.isUniformsGroup||e.isUniformBuffer?r.bindBufferBase(t.UNIFORM_BUFFER,i,s.bufferGPU):e.isSampledTexture&&r.bindTexture(s.glTextureType,s.textureGPU,t.TEXTURE0+i)}}dispose(){const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const Av="point-list",Rv="line-list",Cv="line-strip",Ev="triangle-list",wv="triangle-strip",Mv="never",Bv="less",Fv="equal",Uv="less-equal",Pv="greater",Iv="not-equal",Lv="greater-equal",Dv="always",Vv="store",Ov="load",Gv="clear",kv="ccw",zv="none",$v="front",Wv="back",Hv="uint16",jv="uint32",qv={R8Unorm:"r8unorm",R8Snorm:"r8snorm",R8Uint:"r8uint",R8Sint:"r8sint",R16Uint:"r16uint",R16Sint:"r16sint",R16Float:"r16float",RG8Unorm:"rg8unorm",RG8Snorm:"rg8snorm",RG8Uint:"rg8uint",RG8Sint:"rg8sint",R32Uint:"r32uint",R32Sint:"r32sint",R32Float:"r32float",RG16Uint:"rg16uint",RG16Sint:"rg16sint",RG16Float:"rg16float",RGBA8Unorm:"rgba8unorm",RGBA8UnormSRGB:"rgba8unorm-srgb",RGBA8Snorm:"rgba8snorm",RGBA8Uint:"rgba8uint",RGBA8Sint:"rgba8sint",BGRA8Unorm:"bgra8unorm",BGRA8UnormSRGB:"bgra8unorm-srgb",RGB9E5UFloat:"rgb9e5ufloat",RGB10A2Unorm:"rgb10a2unorm",RG11B10uFloat:"rgb10a2unorm",RG32Uint:"rg32uint",RG32Sint:"rg32sint",RG32Float:"rg32float",RGBA16Uint:"rgba16uint",RGBA16Sint:"rgba16sint",RGBA16Float:"rgba16float",RGBA32Uint:"rgba32uint",RGBA32Sint:"rgba32sint",RGBA32Float:"rgba32float",Stencil8:"stencil8",Depth16Unorm:"depth16unorm",Depth24Plus:"depth24plus",Depth24PlusStencil8:"depth24plus-stencil8",Depth32Float:"depth32float",Depth32FloatStencil8:"depth32float-stencil8",BC1RGBAUnorm:"bc1-rgba-unorm",BC1RGBAUnormSRGB:"bc1-rgba-unorm-srgb",BC2RGBAUnorm:"bc2-rgba-unorm",BC2RGBAUnormSRGB:"bc2-rgba-unorm-srgb",BC3RGBAUnorm:"bc3-rgba-unorm",BC3RGBAUnormSRGB:"bc3-rgba-unorm-srgb",BC4RUnorm:"bc4-r-unorm",BC4RSnorm:"bc4-r-snorm",BC5RGUnorm:"bc5-rg-unorm",BC5RGSnorm:"bc5-rg-snorm",BC6HRGBUFloat:"bc6h-rgb-ufloat",BC6HRGBFloat:"bc6h-rgb-float",BC7RGBAUnorm:"bc7-rgba-unorm",BC7RGBAUnormSRGB:"bc7-rgba-srgb",ETC2RGB8Unorm:"etc2-rgb8unorm",ETC2RGB8UnormSRGB:"etc2-rgb8unorm-srgb",ETC2RGB8A1Unorm:"etc2-rgb8a1unorm",ETC2RGB8A1UnormSRGB:"etc2-rgb8a1unorm-srgb",ETC2RGBA8Unorm:"etc2-rgba8unorm",ETC2RGBA8UnormSRGB:"etc2-rgba8unorm-srgb",EACR11Unorm:"eac-r11unorm",EACR11Snorm:"eac-r11snorm",EACRG11Unorm:"eac-rg11unorm",EACRG11Snorm:"eac-rg11snorm",ASTC4x4Unorm:"astc-4x4-unorm",ASTC4x4UnormSRGB:"astc-4x4-unorm-srgb",ASTC5x4Unorm:"astc-5x4-unorm",ASTC5x4UnormSRGB:"astc-5x4-unorm-srgb",ASTC5x5Unorm:"astc-5x5-unorm",ASTC5x5UnormSRGB:"astc-5x5-unorm-srgb",ASTC6x5Unorm:"astc-6x5-unorm",ASTC6x5UnormSRGB:"astc-6x5-unorm-srgb",ASTC6x6Unorm:"astc-6x6-unorm",ASTC6x6UnormSRGB:"astc-6x6-unorm-srgb",ASTC8x5Unorm:"astc-8x5-unorm",ASTC8x5UnormSRGB:"astc-8x5-unorm-srgb",ASTC8x6Unorm:"astc-8x6-unorm",ASTC8x6UnormSRGB:"astc-8x6-unorm-srgb",ASTC8x8Unorm:"astc-8x8-unorm",ASTC8x8UnormSRGB:"astc-8x8-unorm-srgb",ASTC10x5Unorm:"astc-10x5-unorm",ASTC10x5UnormSRGB:"astc-10x5-unorm-srgb",ASTC10x6Unorm:"astc-10x6-unorm",ASTC10x6UnormSRGB:"astc-10x6-unorm-srgb",ASTC10x8Unorm:"astc-10x8-unorm",ASTC10x8UnormSRGB:"astc-10x8-unorm-srgb",ASTC10x10Unorm:"astc-10x10-unorm",ASTC10x10UnormSRGB:"astc-10x10-unorm-srgb",ASTC12x10Unorm:"astc-12x10-unorm",ASTC12x10UnormSRGB:"astc-12x10-unorm-srgb",ASTC12x12Unorm:"astc-12x12-unorm",ASTC12x12UnormSRGB:"astc-12x12-unorm-srgb"},Xv="clamp-to-edge",Kv="repeat",Yv="mirror-repeat",Qv="linear",Zv="nearest",Jv="zero",eN="one",tN="src",rN="one-minus-src",sN="src-alpha",iN="one-minus-src-alpha",nN="dst",oN="one-minus-dst",aN="dst-alpha",uN="one-minus-dst-alpha",lN="src-alpha-saturated",dN="constant",cN="one-minus-constant",hN="add",pN="subtract",gN="reverse-subtract",mN="min",fN="max",yN=0,xN=15,bN="keep",TN="zero",_N="replace",vN="invert",NN="increment-clamp",SN="decrement-clamp",AN="increment-wrap",RN="decrement-wrap",CN="storage",EN="read-only-storage",wN="write-only",MN="read-only",BN="read-write",FN="float",UN="unfilterable-float",PN="depth",IN="sint",LN="uint",DN="2d",VN="3d",ON="2d",GN="2d-array",kN="cube",zN="3d",$N="all",WN="vertex",HN="instance",jN={DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups"};class qN extends O_{constructor(e,t){super(e),this.texture=t,this.version=t?t.version:0,this.isSampler=!0}}class XN extends qN{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){this.texture=this.textureNode.value}}class KN extends G_{constructor(e,t){super(e,t?t.array:null),this.attribute=t,this.isStorageBuffer=!0}}let YN=0;class QN extends KN{constructor(e,t){super("StorageBuffer_"+YN++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:Fs.READ_WRITE,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class ZN extends Hg{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:Qv}),this.flipYSampler=e.createSampler({minFilter:Zv}),this.transferPipelines={},this.flipYPipelines={},this.mipmapVertexShaderModule=e.createShaderModule({label:"mipmapVertex",code:"\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4<f32>,\n\t@location( 0 ) vTex : vec2<f32>\n};\n\n@vertex\nfn main( @builtin( vertex_index ) vertexIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array< vec2<f32>, 4 >(\n\t\tvec2<f32>( -1.0, 1.0 ),\n\t\tvec2<f32>( 1.0, 1.0 ),\n\t\tvec2<f32>( -1.0, -1.0 ),\n\t\tvec2<f32>( 1.0, -1.0 )\n\t);\n\n\tvar tex = array< vec2<f32>, 4 >(\n\t\tvec2<f32>( 0.0, 0.0 ),\n\t\tvec2<f32>( 1.0, 0.0 ),\n\t\tvec2<f32>( 0.0, 1.0 ),\n\t\tvec2<f32>( 1.0, 1.0 )\n\t);\n\n\tVarys.vTex = tex[ vertexIndex ];\n\tVarys.Position = vec4<f32>( pos[ vertexIndex ], 0.0, 1.0 );\n\n\treturn Varys;\n\n}\n"}),this.mipmapFragmentShaderModule=e.createShaderModule({label:"mipmapFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d<f32>;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img, imgSampler, vTex );\n\n}\n"}),this.flipYFragmentShaderModule=e.createShaderModule({label:"flipYFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d<f32>;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img, imgSampler, vec2( vTex.x, 1.0 - vTex.y ) );\n\n}\n"})}getTransferPipeline(e){let t=this.transferPipelines[e];return void 0===t&&(t=this.device.createRenderPipeline({label:`mipmap-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.mipmapFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:wv,stripIndexFormat:jv},layout:"auto"}),this.transferPipelines[e]=t),t}getFlipYPipeline(e){let t=this.flipYPipelines[e];return void 0===t&&(t=this.device.createRenderPipeline({label:`flipY-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.flipYFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:wv,stripIndexFormat:jv},layout:"auto"}),this.flipYPipelines[e]=t),t}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size,o=this.getTransferPipeline(s),a=this.getFlipYPipeline(s),u=this.device.createTexture({size:{width:i,height:n,depthOrArrayLayers:1},format:s,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),l=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:ON,baseArrayLayer:r}),d=u.createView({baseMipLevel:0,mipLevelCount:1,dimension:ON,baseArrayLayer:0}),c=this.device.createCommandEncoder({}),h=(e,t,r)=>{const s=e.getBindGroupLayout(0),i=this.device.createBindGroup({layout:s,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:t}]}),n=c.beginRenderPass({colorAttachments:[{view:r,loadOp:Gv,storeOp:Vv,clearValue:[0,0,0,0]}]});n.setPipeline(e),n.setBindGroup(0,i),n.draw(4,1,0,0),n.end()};h(o,l,d),h(a,d,l),this.device.queue.submit([c.finish()]),u.destroy()}generateMipmaps(e,t,r=0){const s=this.get(e);void 0===s.useCount&&(s.useCount=0,s.layers=[]);const i=s.layers[r]||this._mipmapCreateBundles(e,t,r),n=this.device.createCommandEncoder({});this._mipmapRunBundles(n,i),this.device.queue.submit([n.finish()]),0!==s.useCount&&(s.layers[r]=i),s.useCount++}_mipmapCreateBundles(e,t,r){const s=this.getTransferPipeline(t.format),i=s.getBindGroupLayout(0);let n=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:ON,baseArrayLayer:r});const o=[];for(let a=1;a<t.mipLevelCount;a++){const u=this.device.createBindGroup({layout:i,entries:[{binding:0,resource:this.mipmapSampler},{binding:1,resource:n}]}),l=e.createView({baseMipLevel:a,mipLevelCount:1,dimension:ON,baseArrayLayer:r}),d={colorAttachments:[{view:l,loadOp:Gv,storeOp:Vv,clearValue:[0,0,0,0]}]},c=this.device.createRenderBundleEncoder({colorFormats:[t.format]});c.setPipeline(s),c.setBindGroup(0,u),c.draw(4,1,0,0),o.push({renderBundles:[c.finish()],passDescriptor:d}),n=l}return o}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}const JN={[_r]:"never",[Ee]:"less",[Sr]:"equal",[Nr]:"less-equal",[Rr]:"greater",[Ar]:"greater-equal",[vr]:"always",[Cr]:"not-equal"},eS=[0,1,3,2,4,5];class tS{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this.colorBuffer=null,this.depthTexture=new F,this.depthTexture.name="depthBuffer"}createSampler(e){const t=this.backend,r=t.device,s=t.get(e),i={addressModeU:this._convertAddressMode(e.wrapS),addressModeV:this._convertAddressMode(e.wrapT),addressModeW:this._convertAddressMode(e.wrapR),magFilter:this._convertFilterMode(e.magFilter),minFilter:this._convertFilterMode(e.minFilter),mipmapFilter:this._convertFilterMode(e.minFilter),maxAnisotropy:1};i.magFilter===Qv&&i.minFilter===Qv&&i.mipmapFilter===Qv&&(i.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&(i.compare=JN[e.compareFunction]),s.sampler=r.createSampler(i)}createDefaultTexture(e){let t;const r=rS(e);e.isCubeTexture?t=this._getDefaultCubeTextureGPU(r):e.isVideoTexture?this.backend.get(e).externalTexture=this._getDefaultVideoFrame():t=this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized)throw new Error("WebGPUTextureUtils: Texture already initialized.");void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:o,levels:a}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||rS(e,r.device);s.format=l;const{samples:d,primarySamples:c,isMSAA:h}=r.utils.getTextureSampleData(e);let p=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(p|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&(p|=GPUTextureUsage.RENDER_ATTACHMENT);const g={label:e.name,size:{width:i,height:n,depthOrArrayLayers:o},mipLevelCount:a,sampleCount:c,dimension:u,format:l,usage:p};if(e.isVideoTexture){const t=e.source.data,r=new VideoFrame(t);g.size.width=r.displayWidth,g.size.height=r.displayHeight,r.close(),s.externalTexture=t}else{if(void 0===l)return console.warn("WebGPURenderer: Texture format not supported."),this.createDefaultTexture(e);s.texture=r.device.createTexture(g)}if(h){const e=Object.assign({},g);e.label=e.label+"-msaa",e.sampleCount=d,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=g}destroyTexture(e){const t=this.backend,r=t.get(e);void 0!==r.texture&&r.texture.destroy(),void 0!==r.msaaTexture&&r.msaaTexture.destroy(),t.delete(e)}destroySampler(e){delete this.backend.get(e).sampler}generateMipmaps(e){const t=this.backend.get(e);if(e.isCubeTexture)for(let e=0;e<6;e++)this._generateMipmaps(t.texture,t.textureDescriptorGPU,e);else{const r=e.image.depth||1;for(let e=0;e<r;e++)this._generateMipmaps(t.texture,t.textureDescriptorGPU,e)}}getColorBuffer(){this.colorBuffer&&this.colorBuffer.destroy();const e=this.backend,{width:t,height:r}=e.getDrawingBufferSize();return this.colorBuffer=e.device.createTexture({label:"colorBuffer",size:{width:t,height:r,depthOrArrayLayers:1},sampleCount:e.utils.getSampleCount(e.renderer.samples),format:e.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),this.colorBuffer}getDepthBuffer(e=!0,t=!1){const r=this.backend,{width:s,height:i}=r.getDrawingBufferSize(),n=this.depthTexture,o=r.get(n).texture;let a,u;if(t?(a=he,u=ge):e&&(a=pe,u=b),void 0!==o){if(n.image.width===s&&n.image.height===i&&n.format===a&&n.type===u)return o;this.destroyTexture(n)}return n.name="depthBuffer",n.format=a,n.type=u,n.image.width=s,n.image.height=i,this.createTexture(n,{width:s,height:i}),r.get(n).texture}updateTexture(e,t){const r=this.backend.get(e),{textureDescriptorGPU:s}=r;if(!e.isRenderTargetTexture&&void 0!==s){if(e.isDataTexture)this._copyBufferToTexture(t.image,r.texture,s,0,e.flipY);else if(e.isDataArrayTexture||e.isData3DTexture)for(let i=0;i<t.image.depth;i++)this._copyBufferToTexture(t.image,r.texture,s,i,e.flipY,i);else if(e.isCompressedTexture||e.isCompressedArrayTexture)this._copyCompressedBufferToTexture(e.mipmaps,r.texture,s);else if(e.isCubeTexture)this._copyCubeMapToTexture(t.images,r.texture,s,e.flipY);else if(e.isVideoTexture){const t=e.source.data;r.externalTexture=t}else this._copyImageToTexture(t.image,r.texture,s,0,e.flipY);r.version=e.version,e.onUpdate&&e.onUpdate(e)}}async copyTextureToBuffer(e,t,r,s,i,n){const o=this.backend.device,a=this.backend.get(e),u=a.texture,l=a.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256);const h=o.createBuffer({size:s*i*d,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),p=o.createCommandEncoder();p.copyTextureToBuffer({texture:u,origin:{x:t,y:r,z:n}},{buffer:h,bytesPerRow:c},{width:s,height:i});const g=this._getTypedArrayType(l);o.queue.submit([p.finish()]),await h.mapAsync(GPUMapMode.READ);return new g(h.getMappedRange())}_isEnvironmentTexture(e){const t=e.mapping;return t===j||t===q||t===v||t===N}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new ee;r.minFilter=br,r.magFilter=br,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new H;r.minFilter=br,r.magFilter=br,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultVideoFrame(){let e=this.defaultVideoFrame;if(null===e){const t={timestamp:0,codedWidth:1,codedHeight:1,format:"RGBA"};this.defaultVideoFrame=e=new VideoFrame(new Uint8Array([0,0,0,255]),t)}return e}_copyCubeMapToTexture(e,t,r,s){for(let i=0;i<6;i++){const n=e[i],o=!0===s?eS[i]:i;n.isDataTexture?this._copyBufferToTexture(n.image,t,r,o,s):this._copyImageToTexture(n,t,r,o,s)}}_copyImageToTexture(e,t,r,s,i){this.backend.device.queue.copyExternalImageToTexture({source:e,flipY:i},{texture:t,mipLevel:0,origin:{x:0,y:0,z:s}},{width:e.width,height:e.height,depthOrArrayLayers:1})}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new ZN(this.backend.device)),e}_generateMipmaps(e,t,r=0){this._getPassUtils().generateMipmaps(e,t,r)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0){const o=this.backend.device,a=e.data,u=this._getBytesPerTexel(r.format),l=e.width*u;o.queue.writeTexture({texture:t,mipLevel:0,origin:{x:0,y:0,z:s}},a,{offset:e.width*e.height*u*n,bytesPerRow:l},{width:e.width,height:e.height,depthOrArrayLayers:1}),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r){const s=this.backend.device,i=this._getBlockData(r.format),n=r.size.depthOrArrayLayers>1;for(let o=0;o<e.length;o++){const a=e[o],u=a.width,l=a.height,d=n?r.size.depthOrArrayLayers:1,c=Math.ceil(u/i.width)*i.byteLength,h=c*Math.ceil(l/i.height);for(let e=0;e<d;e++)s.queue.writeTexture({texture:t,mipLevel:o,origin:{x:0,y:0,z:e}},a.data,{offset:e*h,bytesPerRow:c,rowsPerImage:Math.ceil(l/i.height)},{width:Math.ceil(u/i.width)*i.width,height:Math.ceil(l/i.height)*i.height,depthOrArrayLayers:1})}}_getBlockData(e){return e===qv.BC1RGBAUnorm||e===qv.BC1RGBAUnormSRGB?{byteLength:8,width:4,height:4}:e===qv.BC2RGBAUnorm||e===qv.BC2RGBAUnormSRGB||e===qv.BC3RGBAUnorm||e===qv.BC3RGBAUnormSRGB?{byteLength:16,width:4,height:4}:e===qv.BC4RUnorm||e===qv.BC4RSNorm?{byteLength:8,width:4,height:4}:e===qv.BC5RGUnorm||e===qv.BC5RGSnorm||e===qv.BC6HRGBUFloat||e===qv.BC6HRGBFloat||e===qv.BC7RGBAUnorm||e===qv.BC7RGBAUnormSRGB?{byteLength:16,width:4,height:4}:e===qv.ETC2RGB8Unorm||e===qv.ETC2RGB8UnormSRGB||e===qv.ETC2RGB8A1Unorm||e===qv.ETC2RGB8A1UnormSRGB?{byteLength:8,width:4,height:4}:e===qv.ETC2RGBA8Unorm||e===qv.ETC2RGBA8UnormSRGB?{byteLength:16,width:4,height:4}:e===qv.EACR11Unorm||e===qv.EACR11Snorm?{byteLength:8,width:4,height:4}:e===qv.EACRG11Unorm||e===qv.EACRG11Snorm||e===qv.ASTC4x4Unorm||e===qv.ASTC4x4UnormSRGB?{byteLength:16,width:4,height:4}:e===qv.ASTC5x4Unorm||e===qv.ASTC5x4UnormSRGB?{byteLength:16,width:5,height:4}:e===qv.ASTC5x5Unorm||e===qv.ASTC5x5UnormSRGB?{byteLength:16,width:5,height:5}:e===qv.ASTC6x5Unorm||e===qv.ASTC6x5UnormSRGB?{byteLength:16,width:6,height:5}:e===qv.ASTC6x6Unorm||e===qv.ASTC6x6UnormSRGB?{byteLength:16,width:6,height:6}:e===qv.ASTC8x5Unorm||e===qv.ASTC8x5UnormSRGB?{byteLength:16,width:8,height:5}:e===qv.ASTC8x6Unorm||e===qv.ASTC8x6UnormSRGB?{byteLength:16,width:8,height:6}:e===qv.ASTC8x8Unorm||e===qv.ASTC8x8UnormSRGB?{byteLength:16,width:8,height:8}:e===qv.ASTC10x5Unorm||e===qv.ASTC10x5UnormSRGB?{byteLength:16,width:10,height:5}:e===qv.ASTC10x6Unorm||e===qv.ASTC10x6UnormSRGB?{byteLength:16,width:10,height:6}:e===qv.ASTC10x8Unorm||e===qv.ASTC10x8UnormSRGB?{byteLength:16,width:10,height:8}:e===qv.ASTC10x10Unorm||e===qv.ASTC10x10UnormSRGB?{byteLength:16,width:10,height:10}:e===qv.ASTC12x10Unorm||e===qv.ASTC12x10UnormSRGB?{byteLength:16,width:12,height:10}:e===qv.ASTC12x12Unorm||e===qv.ASTC12x12UnormSRGB?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=Xv;return e===fr?t=Kv:e===xr&&(t=Yv),t}_convertFilterMode(e){let t=Qv;return e!==br&&e!==Tr&&e!==De||(t=Zv),t}_getBytesPerTexel(e){return e===qv.R8Unorm||e===qv.R8Snorm||e===qv.R8Uint||e===qv.R8Sint?1:e===qv.R16Uint||e===qv.R16Sint||e===qv.R16Float||e===qv.RG8Unorm||e===qv.RG8Snorm||e===qv.RG8Uint||e===qv.RG8Sint?2:e===qv.R32Uint||e===qv.R32Sint||e===qv.R32Float||e===qv.RG16Uint||e===qv.RG16Sint||e===qv.RG16Float||e===qv.RGBA8Unorm||e===qv.RGBA8UnormSRGB||e===qv.RGBA8Snorm||e===qv.RGBA8Uint||e===qv.RGBA8Sint||e===qv.BGRA8Unorm||e===qv.BGRA8UnormSRGB||e===qv.RGB9E5UFloat||e===qv.RGB10A2Unorm||e===qv.RG11B10UFloat||e===qv.Depth32Float||e===qv.Depth24Plus||e===qv.Depth24PlusStencil8||e===qv.Depth32FloatStencil8?4:e===qv.RG32Uint||e===qv.RG32Sint||e===qv.RG32Float||e===qv.RGBA16Uint||e===qv.RGBA16Sint||e===qv.RGBA16Float?8:e===qv.RGBA32Uint||e===qv.RGBA32Sint||e===qv.RGBA32Float?16:void 0}_getTypedArrayType(e){return e===qv.R8Uint?Uint8Array:e===qv.R8Sint?Int8Array:e===qv.R8Unorm?Uint8Array:e===qv.R8Snorm?Int8Array:e===qv.RG8Uint?Uint8Array:e===qv.RG8Sint?Int8Array:e===qv.RG8Unorm?Uint8Array:e===qv.RG8Snorm?Int8Array:e===qv.RGBA8Uint?Uint8Array:e===qv.RGBA8Sint?Int8Array:e===qv.RGBA8Unorm?Uint8Array:e===qv.RGBA8Snorm?Int8Array:e===qv.R16Uint?Uint16Array:e===qv.R16Sint?Int16Array:e===qv.RG16Uint?Uint16Array:e===qv.RG16Sint?Int16Array:e===qv.RGBA16Uint?Uint16Array:e===qv.RGBA16Sint?Int16Array:e===qv.R16Float||e===qv.RG16Float||e===qv.RGBA16Float?Uint16Array:e===qv.R32Uint?Uint32Array:e===qv.R32Sint?Int32Array:e===qv.R32Float?Float32Array:e===qv.RG32Uint?Uint32Array:e===qv.RG32Sint?Int32Array:e===qv.RG32Float?Float32Array:e===qv.RGBA32Uint?Uint32Array:e===qv.RGBA32Sint?Int32Array:e===qv.RGBA32Float?Float32Array:e===qv.BGRA8Unorm||e===qv.BGRA8UnormSRGB?Uint8Array:e===qv.RGB10A2Unorm||e===qv.RGB9E5UFloat||e===qv.RG11B10UFloat?Uint32Array:e===qv.Depth32Float?Float32Array:e===qv.Depth24Plus||e===qv.Depth24PlusStencil8?Uint32Array:e===qv.Depth32FloatStencil8?Float32Array:void 0}_getDimension(e){let t;return t=e.isData3DTexture?VN:DN,t}}function rS(e,t=null){const r=e.format,s=e.type,i=e.colorSpace;let n;if(!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case kt:n=i===$e?qv.BC1RGBAUnormSRGB:qv.BC1RGBAUnorm;break;case zt:n=i===$e?qv.BC2RGBAUnormSRGB:qv.BC2RGBAUnorm;break;case $t:n=i===$e?qv.BC3RGBAUnormSRGB:qv.BC3RGBAUnorm;break;case Kt:n=i===$e?qv.ETC2RGB8UnormSRGB:qv.ETC2RGB8Unorm;break;case Yt:n=i===$e?qv.ETC2RGBA8UnormSRGB:qv.ETC2RGBA8Unorm;break;case Qt:n=i===$e?qv.ASTC4x4UnormSRGB:qv.ASTC4x4Unorm;break;case Zt:n=i===$e?qv.ASTC5x4UnormSRGB:qv.ASTC5x4Unorm;break;case Jt:n=i===$e?qv.ASTC5x5UnormSRGB:qv.ASTC5x5Unorm;break;case er:n=i===$e?qv.ASTC6x5UnormSRGB:qv.ASTC6x5Unorm;break;case tr:n=i===$e?qv.ASTC6x6UnormSRGB:qv.ASTC6x6Unorm;break;case rr:n=i===$e?qv.ASTC8x5UnormSRGB:qv.ASTC8x5Unorm;break;case sr:n=i===$e?qv.ASTC8x6UnormSRGB:qv.ASTC8x6Unorm;break;case ir:n=i===$e?qv.ASTC8x8UnormSRGB:qv.ASTC8x8Unorm;break;case nr:n=i===$e?qv.ASTC10x5UnormSRGB:qv.ASTC10x5Unorm;break;case or:n=i===$e?qv.ASTC10x6UnormSRGB:qv.ASTC10x6Unorm;break;case ar:n=i===$e?qv.ASTC10x8UnormSRGB:qv.ASTC10x8Unorm;break;case ur:n=i===$e?qv.ASTC10x10UnormSRGB:qv.ASTC10x10Unorm;break;case lr:n=i===$e?qv.ASTC12x10UnormSRGB:qv.ASTC12x10Unorm;break;case dr:n=i===$e?qv.ASTC12x12UnormSRGB:qv.ASTC12x12Unorm;break;case Ie:n=i===$e?qv.RGBA8UnormSRGB:qv.RGBA8Unorm;break;default:console.error("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case Ie:switch(s){case tt:n=qv.RGBA8Snorm;break;case rt:n=qv.RGBA16Sint;break;case et:n=qv.RGBA16Uint;break;case b:n=qv.RGBA32Uint;break;case T:n=qv.RGBA32Sint;break;case me:n=i===$e?qv.RGBA8UnormSRGB:qv.RGBA8Unorm;break;case be:n=qv.RGBA16Float;break;case w:n=qv.RGBA32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case Ze:if(s===Lt)n=qv.RGB9E5UFloat;else console.error("WebGPURenderer: Unsupported texture type with RGBFormat.",s);break;case Ke:switch(s){case tt:n=qv.R8Snorm;break;case rt:n=qv.R16Sint;break;case et:n=qv.R16Uint;break;case b:n=qv.R32Uint;break;case T:n=qv.R32Sint;break;case me:n=qv.R8Unorm;break;case be:n=qv.R16Float;break;case w:n=qv.R32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case Me:switch(s){case tt:n=qv.RG8Snorm;break;case rt:n=qv.RG16Sint;break;case et:n=qv.RG16Uint;break;case b:n=qv.RG32Uint;break;case T:n=qv.RG32Sint;break;case me:n=qv.RG8Unorm;break;case be:n=qv.RG16Float;break;case w:n=qv.RG32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case pe:switch(s){case et:n=qv.Depth16Unorm;break;case b:n=qv.Depth24Plus;break;case w:n=qv.Depth32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case he:switch(s){case ge:n=qv.Depth24PlusStencil8;break;case w:t&&!1===t.features.has(jN.Depth32FloatStencil8)&&console.error('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),n=qv.Depth32FloatStencil8;break;default:console.error("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case Xe:switch(s){case T:n=qv.R32Sint;break;case b:n=qv.R32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case Ye:switch(s){case T:n=qv.RG32Sint;break;case b:n=qv.RG32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case Je:switch(s){case T:n=qv.RGBA32Sint;break;case b:n=qv.RGBA32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:console.error("WebGPURenderer: Unsupported texture format.",r)}return n}const sS=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,iS=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,nS={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class oS extends i_{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:o}=(e=>{const t=(e=e.trim()).match(sS);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=iS.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=nS[i]),n.push(new jT(i,t))}const o=e.substring(t[0].length),a=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:nS[a]||a,inputs:n,name:u,inputsCode:r,blockCode:o,outputType:a}}throw new Error("FunctionNode: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=o}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class aS extends s_{parseFunction(e){return new oS(e)}}const uS="undefined"!=typeof self?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},lS={[Fs.READ_ONLY]:"read",[Fs.WRITE_ONLY]:"write",[Fs.READ_WRITE]:"read_write"},dS={[fr]:"repeat",[yr]:"clamp",[xr]:"mirror"},cS={vertex:uS?uS.VERTEX:1,fragment:uS?uS.FRAGMENT:2,compute:uS?uS.COMPUTE:4},hS={instance:!0,swizzleAssign:!1,storageBuffer:!0},pS={"^^":"tsl_xor"},gS={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},mS={},fS={tsl_xor:new vy("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new vy("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new vy("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new vy("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new vy("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new vy("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new vy("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new vy("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new vy("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new vy("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new vy("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new vy("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new vy("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},yS={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>"};"undefined"!=typeof navigator&&/Windows/g.test(navigator.userAgent)&&(fS.pow_float=new vy("fn tsl_pow_float( a : f32, b : f32 ) -> f32 { return select( -pow( -a, b ), pow( a, b ), a > 0.0 ); }"),fS.pow_vec2=new vy("fn tsl_pow_vec2( a : vec2f, b : vec2f ) -> vec2f { return vec2f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ) ); }",[fS.pow_float]),fS.pow_vec3=new vy("fn tsl_pow_vec3( a : vec3f, b : vec3f ) -> vec3f { return vec3f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ), tsl_pow_float( a.z, b.z ) ); }",[fS.pow_float]),fS.pow_vec4=new vy("fn tsl_pow_vec4( a : vec4f, b : vec4f ) -> vec4f { return vec4f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ), tsl_pow_float( a.z, b.z ), tsl_pow_float( a.w, b.w ) ); }",[fS.pow_float]),yS.pow_float="tsl_pow_float",yS.pow_vec2="tsl_pow_vec2",yS.pow_vec3="tsl_pow_vec3",yS.pow_vec4="tsl_pow_vec4");let xS="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(xS+="diagnostic( off, derivative_uniformity );\n");class bS extends WT{constructor(e,t){super(e,t,new aS),this.uniformGroups={},this.builtins={},this.directives={},this.scopedArrays=new Map}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==x}_generateTextureSample(e,t,r,s,i=this.shaderStage){return"fragment"===i?s?`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r):this.generateTextureLod(e,t,r,s,"0")}_generateVideoSample(e,t,r=this.shaderStage){if("fragment"===r)return`textureSampleBaseClampToEdge( ${e}, ${e}_sampler, vec2<f32>( ${t}.x, 1.0 - ${t}.y ) )`;console.error(`WebGPURenderer: THREE.VideoTexture does not support ${r} shader.`)}_generateTextureSampleLevel(e,t,r,s,i,n=this.shaderStage){return"fragment"!==n&&"compute"!==n||!1!==this.isUnfilterable(e)?this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,s):this.generateTextureLod(e,t,r,i,s):`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`}generateWrapFunction(e){const t=`tsl_coord_${dS[e.wrapS]}S_${dS[e.wrapT]}_${e.isData3DTexture?"3d":"2d"}T`;let r=mS[t];if(void 0===r){const s=[],i=e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const o=(e,t)=>{e===fr?(s.push(fS.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===yr?(s.push(fS.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===xr?(s.push(fS.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,console.warn(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};o(e.wrapS,"x"),n+=",\n",o(e.wrapT,"y"),e.isData3DTexture&&(n+=",\n",o(e.wrapR,"z")),n+="\n\t);\n\n}\n",mS[t]=r=new vy(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.globalCache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,o;const{primarySamples:a}=this.renderer.backend.utils.getTextureSampleData(e),u=a>1;o=e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isVideoTexture||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new Da(new _u(`textureDimensions( ${n} )`,o)),s.dimensionsSnippet[r]=i,(e.isDataArrayTexture||e.isData3DTexture)&&(s.arrayLayerCount=new Da(new _u(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new Da(new _u("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s="0u"){this._include("biquadraticTexture");return`tsl_biquadraticTexture( ${t}, ${this.generateWrapFunction(e)}( ${r} ), ${this.generateTextureDimension(e,t,s)}, u32( ${s} ) )`}generateTextureLod(e,t,r,s,i="0u"){const n=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,i),a=e.isData3DTexture?"vec3":"vec2",u=`${a}<u32>(${n}(${r}) * ${a}<f32>(${o}))`;return this.generateTextureLoad(e,t,u,s,i)}generateTextureLoad(e,t,r,s,i="0u"){return!0===e.isVideoTexture||!0===e.isStorageTexture?`textureLoad( ${t}, ${r} )`:s?`textureLoad( ${t}, ${r}, ${s}, u32( ${i} ) )`:`textureLoad( ${t}, ${r}, u32( ${i} ) )`}generateTextureStore(e,t,r,s){return`textureStore( ${t}, ${r}, ${s} )`}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&!0===e.isDataTexture&&e.type===w||!1===this.isSampleCompare(e)&&e.minFilter===br&&e.magFilter===br||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i=this.shaderStage){let n=null;return n=!0===e.isVideoTexture?this._generateVideoSample(t,r,i):this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,"0",i):this._generateTextureSample(e,t,r,s,i),n}generateTextureGrad(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]} )`;console.error(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${n} shader.`)}generateTextureCompare(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}generateTextureLevel(e,t,r,s,i,n=this.shaderStage){let o=null;return o=!0===e.isVideoTexture?this._generateVideoSample(t,r,n):this._generateTextureSampleLevel(e,t,r,s,i,n),o}generateTextureBias(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;console.error(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${n} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?`NodeBuffer_${e.id}.${t}`:e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}_getUniformGroupCount(e){return Object.keys(this.uniforms[e]).length}getFunctionOperator(e){const t=pS[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?Fs.READ_ONLY:e.access}getStorageAccess(e,t){return lS[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let s;const o=e.groupNode,a=o.name,u=this.getBindGroupArray(a,r);if("texture"===t||"cubeTexture"===t||"storageTexture"===t||"texture3D"===t){let n=null;const a=this.getNodeAccess(e,r);if("texture"===t||"storageTexture"===t?n=new K_(i.name,i.node,o,a):"cubeTexture"===t?n=new Y_(i.name,i.node,o,a):"texture3D"===t&&(n=new Q_(i.name,i.node,o,a)),n.store=!0===e.isStorageTextureNode,n.setVisibility(cS[r]),"fragment"!==r&&"compute"!==r||!1!==this.isUnfilterable(e.value)||!1!==n.store)u.push(n),s=[n];else{const e=new XN(`${i.name}_sampler`,i.node,o);e.setVisibility(cS[r]),u.push(e,n),s=[e,n]}}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const i=new("buffer"===t?$_:QN)(e,o);i.setVisibility(cS[r]),u.push(i),s=i}else{const e=this.uniformGroups[r]||(this.uniformGroups[r]={});let n=e[a];void 0===n&&(n=new j_(a,o),n.setVisibility(cS[r]),e[a]=n,u.push(n)),s=this.getNodeUniform(i,t),n.addUniform(s)}n.uniformGPU=s}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[],r=e.getMemberTypes();for(let e=0;e<r.length;e++){const s=r[e];t.push(`\t@location( ${e} ) m${e} : ${s}<f32>`)}const s=this.getBuiltins("output");return s&&t.push("\t"+s),t.join(",\n")}getStructs(e){const t=[],r=this.structs[e];for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name;let n=`struct ${i} {\n`;n+=this.getStructMembers(s),n+="\n}",t.push(n),t.push(`\nvar<private> output : ${i};\n\n`)}return t.join("\n\n")}getVar(e,t,r=null){let s=`var ${t} : `;return s+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),s}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`\t${this.getVar(e.type,e.name,e.count)};`);return`\n${t.join("\n")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","Vertex","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];for(let i=0;i<r.length;i++){const n=r[i];if(n.needsInterpolation){let e=`@location( ${i} )`;/^(int|uint|ivec|uvec)/.test(n.type)&&(e+=" @interpolate( flat )"),t.push(`${e} ${n.name} : ${this.getType(n.type)}`)}else"vertex"===e&&!1===s.includes(n)&&s.push(n)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}getUniforms(e){const t=this.uniforms[e],r=[],s=[],i=[],n={};for(const i of t){const t=i.groupNode.name,o=this.bindingsIndexes[t];if("texture"===i.type||"cubeTexture"===i.type||"storageTexture"===i.type||"texture3D"===i.type){const t=i.node.value;let s;"fragment"!==e&&"compute"!==e||!1!==this.isUnfilterable(t)||!0===i.node.isStorageTextureNode||(this.isSampleCompare(t)?r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name}_sampler : sampler_comparison;`):r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name}_sampler : sampler;`));let n="";const{primarySamples:a}=this.renderer.backend.utils.getTextureSampleData(t);if(a>1&&(n="_multisampled"),!0===t.isCubeTexture)s="texture_cube<f32>";else if(!0===t.isDataArrayTexture||!0===t.isCompressedArrayTexture)s="texture_2d_array<f32>";else if(!0===t.isDepthTexture)s=`texture_depth${n}_2d`;else if(!0===t.isVideoTexture)s="texture_external";else if(!0===t.isData3DTexture)s="texture_3d<f32>";else if(!0===i.node.isStorageTextureNode){s=`texture_storage_2d<${rS(t)}, ${this.getStorageAccess(i.node,e)}>`}else{s=`texture${n}_2d<${this.getComponentTypeFromTexture(t).charAt(0)}32>`}r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name} : ${s};`)}else if("buffer"===i.type||"storageBuffer"===i.type||"indirectStorageBuffer"===i.type){const t=i.node,r=this.getType(t.bufferType),n=t.bufferCount,a=n>0&&"buffer"===i.type?", "+n:"",u=t.isAtomic?`atomic<${r}>`:`${r}`,l=`\t${i.name} : array< ${u}${a} >\n`,d=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";s.push(this._getWGSLStructBinding("NodeBuffer_"+t.id,l,d,o.binding++,o.group))}else{const e=this.getType(this.getVectorType(i.type)),t=i.groupNode.name;(n[t]||(n[t]={index:o.binding++,id:o.group,snippets:[]})).snippets.push(`\t${i.name} : ${e}`)}}for(const e in n){const t=n[e];i.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}let o=r.join("\n");return o+=s.join("\n"),o+=i.join("\n"),o}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){const r=e[t];r.uniforms=this.getUniforms(t),r.attributes=this.getAttributes(t),r.varyings=this.getVaryings(t),r.structs=this.getStructs(t),r.vars=this.getVars(t),r.codes=this.getCodes(t),r.directives=this.getDirectives(t),r.scopedArrays=this.getScopedArrays(t);let s="// code\n\n";s+=this.flowCode[t];const i=this.flowNodes[t],n=i[i.length-1],o=n.outputNode,a=void 0!==o&&!0===o.isOutputStructNode;for(const e of i){const i=this.getFlowData(e),u=e.name;if(u&&(s.length>0&&(s+="\n"),s+=`\t// flow -> ${u}\n`),s+=`${i.code}\n\t`,e===n&&"compute"!==t)if(s+="// result\n\n\t","vertex"===t)s+=`varyings.Vertex = ${i.result};`;else if("fragment"===t)if(a)r.returnType=o.nodeType,s+=`return ${i.result};`;else{let e="\t@location(0) color: vec4<f32>";const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),r.returnType="OutputStruct",r.structs+=this._getWGSLStruct("OutputStruct",e),r.structs+="\nvar<private> output : OutputStruct;\n\n",s+=`output.color = ${i.result};\n\n\treturn output;`}}r.flow=s}null!==this.material?(this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment)):this.computeShader=this._getWGSLComputeCode(e.compute,(this.object.workgroupSize||[64]).join(", "))}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getType(e){return gS[e]||e}isAvailable(e){let t=hS[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),hS[e]=t),t}_getWGSLMethod(e){return void 0!==fS[e]&&this._include(e),yS[e]}_include(e){const t=fS[e];return t.build(this),null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${xS}\n\n// uniforms\n${e.uniforms}\n\n// structs\n${e.structs}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${t} )\nfn main( ${e.attributes} ) {\n\n\t// system\n\tinstanceIndex = globalId.x + globalId.y * numWorkgroups.x * u32(${t}) + globalId.z * numWorkgroups.x * numWorkgroups.y * u32(${t});\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}class TS{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return null!==e.depthTexture?t=this.getTextureFormatGPU(e.depthTexture):e.depth&&e.stencil?t=qv.Depth24PlusStencil8:e.depth&&(t=qv.Depth24Plus),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.samples}else e.renderTarget&&(t=e.renderTarget.samples);t=t||1;const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?Av:e.isLineSegments||e.isMesh&&!0===t.wireframe?Rv:e.isLine?Cv:e.isMesh?Ev:void 0}getSampleCount(e){let t=1;return e>1&&(t=Math.pow(2,Math.floor(Math.log2(e))),2===t&&(t=4)),t}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.samples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===me)return qv.BGRA8Unorm;if(e===be)return qv.RGBA16Float;throw new Error("Unsupported outputType")}}const _S=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]),vS=new Map([[Ve,["float16"]]]),NS=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class SS{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const o=s.device;let a=r.array;if(!1===e.normalized)if(a.constructor===Int16Array)a=new Int32Array(a);else if(a.constructor===Uint16Array&&(a=new Uint32Array(a),t&GPUBufferUsage.INDEX))for(let e=0;e<a.length;e++)65535===a[e]&&(a[e]=4294967295);if(r.array=a,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){a=new a.constructor(4*r.count);for(let e=0;e<r.count;e++)a.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=a}const u=a.byteLength+(4-a.byteLength%4)%4;n=o.createBuffer({label:r.name,size:u,usage:t,mappedAtCreation:!0}),new a.constructor(n.getMappedRange()).set(a),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t).buffer,n=t.array,o=this._isTypedArray(n),a=t.updateRanges;if(0===a.length)s.queue.writeBuffer(i,0,n,0);else{const e=o?1:n.BYTES_PER_ELEMENT;for(let t=0,r=a.length;t<r;t++){const r=a[t],o=r.start*e,u=r.count*e;s.queue.writeBuffer(i,0,n,o,u)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let o=r.get(n);if(void 0===o){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?HN:WN):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?HN:WN),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),o={arrayStride:e,attributes:[],stepMode:t},r.set(n,o)}const a=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;o.attributes.push({shaderLocation:e,offset:u,format:a})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,r=t.device,s=t.get(this._getBufferAttribute(e)).buffer,i=s.size,n=r.createBuffer({label:`${e.name}_readback`,size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),o=r.createCommandEncoder({label:`readback_encoder_${e.name}`});o.copyBufferToBuffer(s,0,n,0,i);const a=o.finish();r.queue.submit([a]),await n.mapAsync(GPUMapMode.READ);const u=n.getMappedRange(),l=new e.array.constructor(u.slice(0));return n.unmap(),l.buffer}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=NS.get(s);else{const e=(vS.get(i)||_S.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||console.error("THREE.WebGPUAttributeUtils: Vertex format not supported yet."),n}_isTypedArray(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}class AS{constructor(e){this.backend=e,this.bindGroupLayoutCache=new WeakMap}createBindingsLayout(e){const t=this.backend,r=t.device,s=[];let i=0;for(const r of e.bindings){const e={binding:i++,visibility:r.visibility};if(r.isUniformBuffer||r.isStorageBuffer){const t={};r.isStorageBuffer&&(4&r.visibility&&(r.access===Fs.READ_WRITE||r.access===Fs.WRITE_ONLY)?t.type=CN:t.type=EN),e.buffer=t}else if(r.isSampler){const t={};r.texture.isDepthTexture&&null!==r.texture.compareFunction&&(t.type="comparison"),e.sampler=t}else if(r.isSampledTexture&&r.texture.isVideoTexture)e.externalTexture={};else if(r.isSampledTexture&&r.store){const t={};t.format=this.backend.get(r.texture).texture.format;const s=r.access;t.access=s===Fs.READ_WRITE?BN:s===Fs.WRITE_ONLY?wN:MN,e.storageTexture=t}else if(r.isSampledTexture){const s={},{primarySamples:i}=t.utils.getTextureSampleData(r.texture);if(i>1&&(s.multisampled=!0,r.texture.isDepthTexture||(s.sampleType=UN)),r.texture.isDepthTexture)s.sampleType=PN;else if(r.texture.isDataTexture||r.texture.isDataArrayTexture||r.texture.isData3DTexture){const e=r.texture.type;e===T?s.sampleType=IN:e===b?s.sampleType=LN:e===w&&(this.backend.hasFeature("float32-filterable")?s.sampleType=FN:s.sampleType=UN)}r.isSampledCubeTexture?s.viewDimension=kN:r.texture.isDataArrayTexture||r.texture.isCompressedArrayTexture?s.viewDimension=GN:r.isSampledTexture3D&&(s.viewDimension=zN),e.texture=s}else console.error(`WebGPUBindingUtils: Unsupported binding "${r}".`);s.push(e)}return r.createBindGroupLayout({entries:s})}createBindings(e,t,r,s=0){const{backend:i,bindGroupLayoutCache:n}=this,o=i.get(e);let a,u=n.get(e.bindingsReference);void 0===u&&(u=this.createBindingsLayout(e),n.set(e.bindingsReference,u)),r>0&&(void 0===o.groups&&(o.groups=[],o.versions=[]),o.versions[r]===s&&(a=o.groups[r])),void 0===a&&(a=this.createBindGroup(e,u),r>0&&(o.groups[r]=a,o.versions[r]=s)),o.group=a,o.layout=u}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer;r.queue.writeBuffer(i,0,s,0)}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0],n=r.createBuffer({label:"bindingCameraIndex_"+i,size:16,usage:s});r.queue.writeBuffer(n,0,e,0);const o=[{binding:0,resource:{buffer:n}}];return r.createBindGroup({label:"bindGroupCameraIndex_"+i,layout:t,entries:o})}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;const n=[];for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);if(void 0===e.buffer){const r=t.byteLength,i=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,n=s.createBuffer({label:"bindingBuffer_"+t.name,size:r,usage:i});e.buffer=n}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t);if(void 0===e.buffer){const s=t.attribute;e.buffer=r.get(s).buffer}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isSampler){const e=r.get(t.texture);n.push({binding:i,resource:e.sampler})}else if(t.isSampledTexture){const e=r.get(t.texture);let o;if(void 0!==e.externalTexture)o=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=`view-${e.texture.width}-${e.texture.height}-${r}`;if(o=e[s],void 0===o){const i=$N;let n;n=t.isSampledCubeTexture?kN:t.isSampledTexture3D?zN:t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?GN:ON,o=e[s]=e.texture.createView({aspect:i,dimension:n,mipLevelCount:r})}}n.push({binding:i,resource:o})}i++}return s.createBindGroup({label:"bindGroup_"+e.name,layout:t,entries:n})}}class RS{constructor(e){this.backend=e}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:o,fragmentProgram:a}=n,u=this.backend,l=u.device,d=u.utils,c=u.get(n),h=[];for(const t of e.getBindings()){const e=u.get(t);h.push(e.layout)}const p=u.attributeUtils.createShaderVertexBuffers(e);let g;!0===s.transparent&&s.blending!==D&&(g=this._getBlending(s));let m={};!0===s.stencilWrite&&(m={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const f=this._getColorWriteMask(s),y=[];if(null!==e.context.textures){const t=e.context.textures;for(let e=0;e<t.length;e++){const r=d.getTextureFormatGPU(t[e]);y.push({format:r,blend:g,writeMask:f})}}else{const t=d.getCurrentColorFormat(e.context);y.push({format:t,blend:g,writeMask:f})}const x=u.get(o).module,b=u.get(a).module,T=this._getPrimitiveState(r,i,s),_=this._getDepthCompare(s),v=d.getCurrentDepthStencilFormat(e.context),N=this._getSampleCount(e.context),S={label:`renderPipeline_${s.name||s.type}_${s.id}`,vertex:Object.assign({},x,{buffers:p}),fragment:Object.assign({},b,{targets:y}),primitive:T,multisample:{count:N,alphaToCoverageEnabled:s.alphaToCoverage&&N>1},layout:l.createPipelineLayout({bindGroupLayouts:h})},A={},R=e.context.depth,C=e.context.stencil;if(!0!==R&&!0!==C||(!0===R&&(A.format=v,A.depthWriteEnabled=s.depthWrite,A.depthCompare=_),!0===C&&(A.stencilFront=m,A.stencilBack={},A.stencilReadMask=s.stencilFuncMask,A.stencilWriteMask=s.stencilWriteMask),S.depthStencil=A),null===t)c.pipeline=l.createRenderPipeline(S);else{const e=new Promise((e=>{l.createRenderPipelineAsync(S).then((t=>{c.pipeline=t,e()}))}));t.push(e)}}createBundleEncoder(e){const t=this.backend,{utils:r,device:s}=t,i=r.getCurrentDepthStencilFormat(e),n={label:"renderBundleEncoder",colorFormats:[r.getCurrentColorFormat(e)],depthStencilFormat:i,sampleCount:this._getSampleCount(e)};return s.createRenderBundleEncoder(n)}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),o=[];for(const e of t){const t=r.get(e);o.push(t.layout)}n.pipeline=s.createComputePipeline({compute:i,layout:s.createPipelineLayout({bindGroupLayouts:o})})}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,o=e.blendEquation;if(s===vt){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,a=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:o;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(o)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(a),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:hN},r={srcFactor:i,dstFactor:n,operation:hN}};if(e.premultipliedAlpha)switch(s){case P:i(eN,iN,eN,iN);break;case At:i(eN,eN,eN,eN);break;case St:i(Jv,rN,Jv,eN);break;case Nt:i(Jv,tN,Jv,sN)}else switch(s){case P:i(sN,iN,eN,iN);break;case At:i(sN,eN,sN,eN);break;case St:i(Jv,rN,Jv,eN);break;case Nt:i(Jv,tN,Jv,tN)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};console.error("THREE.WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case ut:t=Jv;break;case lt:t=eN;break;case dt:t=tN;break;case mt:t=rN;break;case ct:t=sN;break;case ft:t=iN;break;case pt:t=nN;break;case yt:t=oN;break;case gt:t=aN;break;case xt:t=uN;break;case ht:t=lN;break;case 211:t=dN;break;case 212:t=cN;break;default:console.error("THREE.WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case Ir:t=Mv;break;case Pr:t=Dv;break;case Ur:t=Bv;break;case Fr:t=Uv;break;case Br:t=Fv;break;case Mr:t=Lv;break;case wr:t=Pv;break;case Er:t=Iv;break;default:console.error("THREE.WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case $r:t=bN;break;case zr:t=TN;break;case kr:t=_N;break;case Gr:t=vN;break;case Or:t=NN;break;case Vr:t=SN;break;case Dr:t=AN;break;case Lr:t=RN;break;default:console.error("THREE.WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case nt:t=hN;break;case ot:t=pN;break;case at:t=gN;break;case Hr:t=mN;break;case Wr:t=fN;break;default:console.error("THREE.WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;switch(s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?Hv:jv),r.side){case He:s.frontFace=kv,s.cullMode=Wv;break;case _:s.frontFace=kv,s.cullMode=$v;break;case de:s.frontFace=kv,s.cullMode=zv;break;default:console.error("THREE.WebGPUPipelineUtils: Unknown material.side value.",r.side)}return s}_getColorWriteMask(e){return!0===e.colorWrite?xN:yN}_getDepthCompare(e){let t;if(!1===e.depthTest)t=Dv;else{const r=e.depthFunc;switch(r){case Ut:t=Mv;break;case Ft:t=Dv;break;case Bt:t=Bv;break;case Mt:t=Uv;break;case wt:t=Fv;break;case Et:t=Lv;break;case Ct:t=Pv;break;case Rt:t=Iv;break;default:console.error("THREE.WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class CS extends vv{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,this.querySet=this.device.createQuerySet({type:"timestamp",count:this.maxQueries,label:`queryset_global_timestamp_${t}`});const s=8*this.maxQueries;this.resolveBuffer=this.device.createBuffer({label:`buffer_timestamp_resolve_${t}`,size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.resultBuffer=this.device.createBuffer({label:`buffer_timestamp_result_${t}`,size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ})}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return st("WebGPUTimestampQueryPool: Maximum number of queries exceeded."),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e.id,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder();s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(this.device.queue.submit([i]),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r));let o=0;for(const[,t]of e){const e=n[t],r=n[t+1];o+=Number(r-e)/1e6}return this.resultBuffer.unmap(),this.lastValue=o,o}catch(e){return console.error("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){console.error("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){console.error("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class ES extends nv{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.trackTimestamp=!0===e.trackTimestamp,this.device=null,this.context=null,this.colorBuffer=null,this.defaultRenderPassdescriptor=null,this.utils=new TS(this),this.attributeUtils=new SS(this),this.bindingUtils=new AS(this),this.pipelineUtils=new RS(this),this.textureUtils=new tS(this),this.occludedResolveCache=new Map}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const e={powerPreference:t.powerPreference},s="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(e):null;if(null===s)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const i=Object.values(jN),n=[];for(const e of i)s.features.has(e)&&n.push(e);const o={requiredFeatures:n,requiredLimits:t.requiredLimits};r=await s.requestDevice(o)}else r=t.device;r.lost.then((t=>{const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}));const s=void 0!==t.context?t.context:e.domElement.getContext("webgpu");this.device=r,this.context=s;const i=t.alpha?"premultiplied":"opaque";this.trackTimestamp=this.trackTimestamp&&this.hasFeature(jN.TimestampQuery),this.context.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i}),this.updateSize()}get coordinateSystem(){return d}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){let e=this.defaultRenderPassdescriptor;if(null===e){const t=this.renderer;e={colorAttachments:[{view:null}]},!0!==this.renderer.depth&&!0!==this.renderer.stencil||(e.depthStencilAttachment={view:this.textureUtils.getDepthBuffer(t.depth,t.stencil).createView()});const r=e.colorAttachments[0];this.renderer.samples>0?r.view=this.colorBuffer.createView():r.resolveTarget=void 0,this.defaultRenderPassdescriptor=e}const t=e.colorAttachments[0];return this.renderer.samples>0?t.resolveTarget=this.context.getCurrentTexture().createView():t.view=this.context.getCurrentTexture().createView(),e}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r);let i=s.descriptors;if(void 0===i||s.width!==r.width||s.height!==r.height||s.dimensions!==r.dimensions||s.activeMipmapLevel!==r.activeMipmapLevel||s.activeCubeFace!==e.activeCubeFace||s.samples!==r.samples||s.loadOp!==t.loadOp){i={},s.descriptors=i;const e=()=>{r.removeEventListener("dispose",e),this.delete(r)};r.addEventListener("dispose",e)}const n=e.getCacheKey();let o=i[n];if(void 0===o){const a=e.textures,u=[];let l;for(let s=0;s<a.length;s++){const i=this.get(a[s]),n={label:`colorAttachment_${s}`,baseMipLevel:e.activeMipmapLevel,mipLevelCount:1,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1,dimension:ON};r.isRenderTarget3D?(l=e.activeCubeFace,n.baseArrayLayer=0,n.dimension=zN,n.depthOrArrayLayers=a[s].image.depth):r.isRenderTargetArray&&(n.dimension=GN,n.depthOrArrayLayers=a[s].image.depth);const o=i.texture.createView(n);let d,c;void 0!==i.msaaTexture?(d=i.msaaTexture.createView(),c=o):(d=o,c=void 0),u.push({view:d,depthSlice:l,resolveTarget:c,loadOp:Ov,storeOp:Vv,...t})}if(o={colorAttachments:u},e.depth){const t={view:this.get(e.depthTexture).texture.createView()};o.depthStencilAttachment=t}i[n]=o,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace,s.dimensions=r.dimensions,s.depthSlice=l,s.loadOp=u[0].loadOp}return o}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,i=r.createQuerySet({type:"occlusion",count:s,label:`occlusionQuerySet_${e.id}`}),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:Ov}),this.initTimestampQuery(e,n),n.occlusionQuerySet=i;const o=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(s.clearValue=0===r?e.clearColorValue:{r:0,g:0,b:0,a:1},s.loadOp=Gv,s.storeOp=Vv):(s.loadOp=Ov,s.storeOp=Vv)}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=Gv,t.storeOp=Vv):(t.loadOp=Ov,t.storeOp=Vv)}e.depth&&(e.clearDepth?(o.depthClearValue=e.clearDepthValue,o.depthLoadOp=Gv,o.depthStoreOp=Vv):(o.depthLoadOp=Ov,o.depthStoreOp=Vv)),e.stencil&&(e.clearStencil?(o.stencilClearValue=e.clearStencilValue,o.stencilLoadOp=Gv,o.stencilStoreOp=Vv):(o.stencilLoadOp=Ov,o.stencilStoreOp=Vv));const a=r.createCommandEncoder({label:"renderContext_"+e.id}),u=a.beginRenderPass(n);if(t.descriptor=n,t.encoder=a,t.currentPass=u,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[],e.viewport&&this.updateViewport(e),e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;u.setScissorRect(t,r,s,i)}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;if(t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery(),t.currentPass.end(),r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(i=this.device.createBuffer({size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(s,i));const n=this.device.createBuffer({size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(this.device.queue.submit([t.encoder.finish()]),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:o,maxDepth:a}=e.viewportValue;t.setViewport(r,s,i,n,o,a)}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let o,a,u,l,d=[];if(e){const e=this.getClearColor();if(!0===this.renderer.alpha){const t=e.a;a={r:e.r*t,g:e.g*t,b:e.b*t,a:t}}else a={r:e.r,g:e.g,b:e.b,a:e.a}}if(null===s){u=n.depth,l=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){d=t.colorAttachments;const e=d[0];e.clearValue=a,e.loadOp=Gv,e.storeOp=Vv}(u||l)&&(o=t.depthStencilAttachment)}else{if(u=s.depth,l=s.stencil,e){d=this._getRenderPassDescriptor(s,{loadOp:Gv,clearValue:a}).colorAttachments}if(u||l){o={view:this.get(s.depthTexture).texture.createView()}}}u&&(t?(o.depthLoadOp=Gv,o.depthClearValue=n.getClearDepth(),o.depthStoreOp=Vv):(o.depthLoadOp=Ov,o.depthStoreOp=Vv)),l&&(r?(o.stencilLoadOp=Gv,o.stencilClearValue=n.getClearStencil(),o.stencilStoreOp=Vv):(o.stencilLoadOp=Ov,o.stencilStoreOp=Vv));const c=i.createCommandEncoder({label:"clear"});c.beginRenderPass({colorAttachments:d,depthStencilAttachment:o}).end(),i.queue.submit([c.finish()])}beginCompute(e){const t=this.get(e),r={label:"computeGroup_"+e.id};this.initTimestampQuery(e,r),t.cmdEncoderGPU=this.device.createCommandEncoder({label:"computeGroup_"+e.id}),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(r)}compute(e,t,r,s){const{passEncoderGPU:i}=this.get(e),n=this.get(s).pipeline;i.setPipeline(n);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);i.setBindGroup(e,s.group)}const o=this.device.limits.maxComputeWorkgroupsPerDimension,a=this.get(t);void 0===a.dispatchSize&&(a.dispatchSize={x:0,y:1,z:1});const{dispatchSize:u}=a;t.dispatchCount>o?(u.x=Math.min(t.dispatchCount,o),u.y=Math.ceil(t.dispatchCount/o)):u.x=t.dispatchCount,i.dispatchWorkgroups(u.x,u.y,u.z)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),this.device.queue.submit([t.cmdEncoderGPU.finish()])}async waitForGPU(){await this.device.queue.onSubmittedWorkDone()}draw(e,t){const{object:r,context:s,pipeline:i}=e,n=e.getBindings(),o=this.get(s),a=this.get(i).pipeline,u=o.currentSets,l=o.currentPass,d=e.getDrawParameters();if(null===d)return;u.pipeline!==a&&(l.setPipeline(a),u.pipeline=a);const c=u.bindingGroups;for(let e=0,t=n.length;e<t;e++){const t=n[e],r=this.get(t);c[t.index]!==t.id&&(l.setBindGroup(t.index,r.group),c[t.index]=t.id)}const h=e.getIndex(),p=null!==h;if(!0===p&&u.index!==h){const e=this.get(h).buffer,t=h.array instanceof Uint16Array?Hv:jv;l.setIndexBuffer(e,t),u.index=h}const g=e.getVertexBuffers();for(let e=0,t=g.length;e<t;e++){const t=g[e];if(u.attributes[e]!==t){const r=this.get(t).buffer;l.setVertexBuffer(e,r),u.attributes[e]=t}}if(void 0!==o.occlusionQuerySet){const e=o.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(l.endOcclusionQuery(),o.occlusionQueryIndex++),!0===r.occlusionTest&&(l.beginOcclusionQuery(o.occlusionQueryIndex),o.occlusionQueryObjects[o.occlusionQueryIndex]=r),o.lastOcclusionObject=r)}const m=()=>{if(!0===r.isBatchedMesh){const e=r._multiDrawStarts,t=r._multiDrawCounts,s=r._multiDrawCount,i=r._multiDrawInstances;for(let r=0;r<s;r++){const s=i?i[r]:1,n=s>1?0:r;!0===p?l.drawIndexed(t[r],s,e[r]/h.array.BYTES_PER_ELEMENT,0,n):l.draw(t[r],s,e[r],n)}}else if(!0===p){const{vertexCount:s,instanceCount:i,firstVertex:n}=d,o=e.getIndirect();if(null!==o){const e=this.get(o).buffer;l.drawIndexedIndirect(e,0)}else l.drawIndexed(s,i,n,0,0);t.update(r,s,i)}else{const{vertexCount:s,instanceCount:i,firstVertex:n}=d,o=e.getIndirect();if(null!==o){const e=this.get(o).buffer;l.drawIndirect(e,0)}else l.draw(s,i,n,0);t.update(r,s,i)}};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const t=this.get(e.camera),i=e.camera.cameras,n=e.getBindingGroup("cameraIndex");if(void 0===t.indexesGPU||t.indexesGPU.length!==i.length){const e=this.get(n),r=[],s=new Uint32Array([0,0,0,0]);for(let t=0,n=i.length;t<n;t++){s[0]=t;const i=this.bindingUtils.createBindGroupIndex(s,e.layout);r.push(i)}t.indexesGPU=r}const o=this.renderer.getPixelRatio();for(let e=0,a=i.length;e<a;e++){const a=i[e];if(r.layers.test(a.layers)){const r=a.viewport;l.setViewport(Math.floor(r.x*o),Math.floor(r.y*o),Math.floor(r.width*o),Math.floor(r.height*o),s.viewportValue.minDepth,s.viewportValue.maxDepth),l.setBindGroup(n.index,t.indexesGPU[e]),m()}}}else m()}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),o=i.getCurrentColorSpace(e.context),a=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===o&&t.colorFormat===a&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=o,t.colorFormat=a,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}createSampler(e){this.textureUtils.createSampler(e)}destroySampler(e){this.textureUtils.destroySampler(e)}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e){this.textureUtils.destroyTexture(e)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t){if(!this.trackTimestamp)return;const r=e.isComputeNode?"compute":"render";this.timestampQueryPool[r]||(this.timestampQueryPool[r]=new CS(this.device,r,2048));const s=this.timestampQueryPool[r],i=s.allocateQueriesForContext(e);t.timestampWrites={querySet:s.querySet,beginningOfPassWriteIndex:i,endOfPassWriteIndex:i+1}}createNodeBuilder(e,t){return new bS(e,t)}createProgram(e){this.get(e).module={module:this.device.createShaderModule({code:e.code,label:e.stage+(""!==e.name?`_${e.name}`:"")}),entryPoint:"main"}}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}createIndexAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.colorBuffer=this.textureUtils.getColorBuffer(),this.defaultRenderPassdescriptor=null}getMaxAnisotropy(){return 16}hasFeature(e){return this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0){let n=0,o=0,a=0,u=0,l=0,d=0,c=e.image.width,h=e.image.height;null!==r&&(u=r.x,l=r.y,d=r.z||0,c=r.width,h=r.height),null!==s&&(n=s.x,o=s.y,a=s.z||0);const p=this.device.createCommandEncoder({label:"copyTextureToTexture_"+e.id+"_"+t.id}),g=this.get(e).texture,m=this.get(t).texture;p.copyTextureToTexture({texture:g,mipLevel:i,origin:{x:u,y:l,z:d}},{texture:m,mipLevel:i,origin:{x:n,y:o,z:a}},[c,h,1]),this.device.queue.submit([p.finish()])}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void console.error("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let o;if(s.currentPass?(s.currentPass.end(),o=s.encoder):o=this.device.createCommandEncoder({label:"copyFramebufferToTexture_"+e.id}),o.copyTextureToTexture({texture:i,origin:[r.x,r.y,0]},{texture:n},[r.z,r.w]),e.generateMipmaps&&this.textureUtils.generateMipmaps(e),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=Ov;if(t.depth&&(e.depthStencilAttachment.depthLoadOp=Ov),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=Ov),s.currentPass=o.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor){const{x:e,y:r,width:i,height:n}=t.scissorValue;s.currentPass.setScissorRect(e,r,i,n)}}else this.device.queue.submit([o.finish()])}}class wS extends jr{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class MS extends b_{constructor(){super(),this.addLight(Xx,qr),this.addLight(qT,Xr),this.addLight(QT,Kr),this.addLight(ZT,jr),this.addLight(e_,Yr),this.addLight(t_,Qr),this.addLight(r_,Zr),this.addLight(JT,wS),this.addToneMapping(hy,Jr),this.addToneMapping(py,es),this.addToneMapping(gy,ts),this.addToneMapping(fy,rs),this.addToneMapping(Ty,ss),this.addToneMapping(_y,is)}}class BS extends V_{constructor(e={}){let t;e.forceWebGL?t=Sv:(t=ES,e.getFallback=()=>(console.warn("THREE.WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new Sv(e)));super(new t(e),e),this.library=new MS,this.isWebGPURenderer=!0}}class FS extends ns{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class US{constructor(e,t=qi(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new hh;r.name="PostProcessing",this._quadMesh=new xf(r)}render(){this._update();const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=p,e.outputColorSpace=Ce,this._quadMesh.render(e),e.toneMapping=t,e.outputColorSpace=r}dispose(){this._quadMesh.material.dispose()}_update(){if(!0===this.needsUpdate){const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;this._quadMesh.material.fragmentNode=!0===this.outputColorTransform?Au(this.outputNode,t,r):this.outputNode.context({toneMapping:t,outputColorSpace:r}),this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){this._update();const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=p,e.outputColorSpace=Ce,await this._quadMesh.renderAsync(e),e.toneMapping=t,e.outputColorSpace=r}}class PS extends ee{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=$,this.minFilter=$,this.isStorageTexture=!0}}class IS extends Rf{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class LS extends os{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new as(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,(r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):console.error(t),this.manager.itemError(e)}}),r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(console.error("THREE.NodeLoader: Node type not found:",e),Ii()):Si(new this.nodes[e])}}class DS extends us{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class VS extends ls{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}parseNodes(e,t){if(void 0!==e){const r=new LS;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new DS;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class OS extends ns{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{rs as ACESFilmicToneMapping,Ec as AONode,nt as AddEquation,X as AddOperation,At as AdditiveBlending,ss as AgXToneMapping,Dt as AlphaFormat,vr as AlwaysCompare,Ft as AlwaysDepth,Pr as AlwaysStencilFunc,Yr as AmbientLight,e_ as AmbientLightNode,Lx as AnalyticLightNode,Ge as ArrayCamera,Os as ArrayElementNode,rn as ArrayNode,Wn as AssignNode,Ru as AttributeNode,_ as BackSide,Uh as BasicEnvironmentNode,Be as BasicShadowMap,gc as BatchNode,G as BoxGeometry,Se as BufferAttribute,au as BufferAttributeNode,ve as BufferGeometry,Lu as BufferNode,gd as BumpMapNode,FS as BundleGroup,fu as BypassNode,tt as ByteType,gu as CacheNode,ce as Camera,ts as CineonToneMapping,yr as ClampToEdgeWrapping,OS as ClippingGroup,vy as CodeNode,e as Color,c as ColorManagement,Ka as ColorSpaceNode,hu as ComputeNode,Xs as ConstNode,Pa as ContextNode,Gs as ConvertNode,W as CubeCamera,v as CubeReflectionMapping,N as CubeRefractionMapping,H as CubeTexture,Ol as CubeTextureNode,Ue as CubeUVReflectionMapping,Tt as CullFaceBack,_t as CullFaceFront,bt as CullFaceNone,vt as CustomBlending,E as DataArrayTexture,qe as DataTexture,Vr as DecrementStencilOp,Lr as DecrementWrapStencilOp,pe as DepthFormat,he as DepthStencilFormat,F as DepthTexture,Xr as DirectionalLight,qT as DirectionalLightNode,de as DoubleSide,gt as DstAlphaFactor,pt as DstColorFactor,f as DynamicDrawUsage,lg as EnvironmentNode,Sr as EqualCompare,wt as EqualDepth,Br as EqualStencilFunc,Ah as EquirectUVNode,j as EquirectangularReflectionMapping,q as EquirectangularRefractionMapping,Re as Euler,a as EventDispatcher,_u as ExpressionNode,as as FileLoader,Ve as Float16BufferAttribute,Ne as Float32BufferAttribute,w as FloatType,M as FramebufferTexture,_l as FrontFacingNode,He as FrontSide,je as Frustum,jn as FunctionCallNode,Sy as FunctionNode,Vm as FunctionOverloadingNode,l_ as GLSLNodeParser,Rr as GreaterCompare,Ct as GreaterDepth,Ar as GreaterEqualCompare,Et as GreaterEqualDepth,Mr as GreaterEqualStencilFunc,wr as GreaterStencilFunc,ns as Group,be as HalfFloatType,Qr as HemisphereLight,t_ as HemisphereLightNode,wS as IESSpotLight,JT as IESSpotLightNode,Or as IncrementStencilOp,Dr as IncrementWrapStencilOp,sc as IndexNode,IS as IndirectStorageBufferAttribute,dc as InstanceNode,C as InstancedBufferAttribute,R as InstancedInterleavedBuffer,hc as InstancedMeshNode,T as IntType,m as InterleavedBuffer,y as InterleavedBufferAttribute,Gr as InvertStencilOp,Bc as IrradianceNode,zs as JoinNode,$r as KeepStencilOp,Ee as LessCompare,Bt as LessDepth,Nr as LessEqualCompare,Mt as LessEqualDepth,Fr as LessEqualStencilFunc,Ur as LessStencilFunc,Zr as LightProbe,r_ as LightProbeNode,v_ as Lighting,wc as LightingContextNode,Ih as LightingModel,Cc as LightingNode,dx as LightsNode,_h as Line2NodeMaterial,I as LineBasicMaterial,gh as LineBasicNodeMaterial,L as LineDashedMaterial,fh as LineDashedNodeMaterial,$ as LinearFilter,Te as LinearMipMapLinearFilter,B as LinearMipmapLinearFilter,Le as LinearMipmapNearestFilter,Ce as LinearSRGBColorSpace,Jr as LinearToneMapping,os as Loader,bc as LoopNode,Ot as LuminanceAlphaFormat,Vt as LuminanceFormat,Bm as MRTNode,vg as MatcapUVNode,U as Material,us as MaterialLoader,yd as MaterialNode,Hl as MaterialReferenceNode,u as MathUtils,i as Matrix2,n as Matrix3,o as Matrix4,Wr as MaxEquation,Bu as MaxMipLevelNode,k as Mesh,Q as MeshBasicMaterial,Vh as MeshBasicNodeMaterial,Z as MeshLambertMaterial,Hh as MeshLambertNodeMaterial,ie as MeshMatcapMaterial,Ag as MeshMatcapNodeMaterial,V as MeshNormalMaterial,Sh as MeshNormalNodeMaterial,J as MeshPhongMaterial,qh as MeshPhongNodeMaterial,re as MeshPhysicalMaterial,mg as MeshPhysicalNodeMaterial,yg as MeshSSSNodeMaterial,te as MeshStandardMaterial,pg as MeshStandardNodeMaterial,se as MeshToonMaterial,_g as MeshToonNodeMaterial,Hr as MinEquation,xr as MirroredRepeatWrapping,K as MixOperation,rl as ModelNode,Ac as MorphNode,Nt as MultiplyBlending,Y as MultiplyOperation,br as NearestFilter,De as NearestMipmapLinearFilter,Tr as NearestMipmapNearestFilter,is as NeutralToneMapping,_r as NeverCompare,Ut as NeverDepth,Ir as NeverStencilFunc,D as NoBlending,x as NoColorSpace,p as NoToneMapping,Vs as Node,Fs as NodeAccess,Kb as NodeAttribute,WT as NodeBuilder,tT as NodeCache,Jb as NodeCode,HT as NodeFrame,jT as NodeFunctionInput,LS as NodeLoader,hh as NodeMaterial,DS as NodeMaterialLoader,cs as NodeMaterialObserver,VS as NodeObjectLoader,ws as NodeShaderStage,Bs as NodeType,Yb as NodeUniform,Ms as NodeUpdateType,Es as NodeUtils,Qb as NodeVar,Zb as NodeVarying,P as NormalBlending,dd as NormalMapNode,Cr as NotEqualCompare,Rt as NotEqualDepth,Er as NotEqualStencilFunc,xe as Object3D,Yu as Object3DNode,ls as ObjectLoader,A as ObjectSpaceNormalMap,lt as OneFactor,xt as OneMinusDstAlphaFactor,yt as OneMinusDstColorFactor,ft as OneMinusSrcAlphaFactor,mt as OneMinusSrcColorFactor,_e as OrthographicCamera,Em as OutputStructNode,We as PCFShadowMap,IT as PMREMGenerator,og as PMREMNode,Am as ParameterNode,dy as PassNode,Pe as PerspectiveCamera,$h as PhongLightingModel,Lp as PhysicalLightingModel,ye as Plane,qr as PointLight,Xx as PointLightNode,Ff as PointUVNode,oe as PointsMaterial,Bg as PointsNodeMaterial,US as PostProcessing,ny as PosterizeNode,pn as PropertyNode,xf as QuadMesh,gr as RED_GREEN_RGTC2_Format,hr as RED_RGTC1_Format,Oe as REVISION,Ie as RGBAFormat,Je as RGBAIntegerFormat,ur as RGBA_ASTC_10x10_Format,nr as RGBA_ASTC_10x5_Format,or as RGBA_ASTC_10x6_Format,ar as RGBA_ASTC_10x8_Format,lr as RGBA_ASTC_12x10_Format,dr as RGBA_ASTC_12x12_Format,Qt as RGBA_ASTC_4x4_Format,Zt as RGBA_ASTC_5x4_Format,Jt as RGBA_ASTC_5x5_Format,er as RGBA_ASTC_6x5_Format,tr as RGBA_ASTC_6x6_Format,rr as RGBA_ASTC_8x5_Format,sr as RGBA_ASTC_8x6_Format,ir as RGBA_ASTC_8x8_Format,cr as RGBA_BPTC_Format,Yt as RGBA_ETC2_EAC_Format,qt as RGBA_PVRTC_2BPPV1_Format,jt as RGBA_PVRTC_4BPPV1_Format,kt as RGBA_S3TC_DXT1_Format,zt as RGBA_S3TC_DXT3_Format,$t as RGBA_S3TC_DXT5_Format,Ze as RGBFormat,Qe as RGBIntegerFormat,Xt as RGB_ETC1_Format,Kt as RGB_ETC2_Format,Ht as RGB_PVRTC_2BPPV1_Format,Wt as RGB_PVRTC_4BPPV1_Format,Gt as RGB_S3TC_DXT1_Format,Me as RGFormat,Ye as RGIntegerFormat,Tf as RTTNode,Oy as RangeNode,Kr as RectAreaLight,QT as RectAreaLightNode,Ke as RedFormat,Xe as RedIntegerFormat,zl as ReferenceNode,pf as ReflectorNode,es as ReinhardToneMapping,xu as RemapNode,Su as RenderOutputNode,fe as RenderTarget,ru as RendererReferenceNode,_x as RendererUtils,fr as RepeatWrapping,kr as ReplaceStencilOp,at as ReverseSubtractEquation,Rg as RotateNode,mr as SIGNED_RED_GREEN_RGTC2_Format,pr as SIGNED_RED_RGTC1_Format,$e as SRGBColorSpace,h as SRGBTransfer,z as Scene,Lf as SceneNode,Pc as ScreenNode,By as ScriptableNode,Ry as ScriptableValueNode,Hs as SetNode,cx as ShadowBaseNode,ae as ShadowMaterial,Px as ShadowNode,Pg as ShadowNodeMaterial,rt as ShortType,yc as SkinningNode,Fe as SphereGeometry,Ws as SplitNode,jr as SpotLight,ZT as SpotLightNode,ne as SpriteMaterial,wg as SpriteNodeMaterial,Xm as SpriteSheetUVNode,ct as SrcAlphaFactor,ht as SrcAlphaSaturateFactor,dt as SrcColorFactor,Rm as StackNode,g as StaticDrawUsage,Cf as StorageArrayElementNode,Rf as StorageBufferAttribute,wf as StorageBufferNode,Af as StorageInstancedBufferAttribute,PS as StorageTexture,Gf as StorageTextureNode,ot as SubtractEquation,St as SubtractiveBlending,$b as TSL,S as TangentSpaceNormalMap,ks as TempNode,ee as Texture,Lg as Texture3DNode,Uu as TextureNode,wu as TextureSizeNode,iu as ToneMappingNode,cy as ToonOutlinePassNode,Ym as TriplanarTexturesNode,Ae as UVMapping,le as Uint16BufferAttribute,ue as Uint32BufferAttribute,Ou as UniformArrayNode,nn as UniformGroupNode,cn as UniformNode,me as UnsignedByteType,ge as UnsignedInt248Type,Lt as UnsignedInt5999Type,b as UnsignedIntType,Pt as UnsignedShort4444Type,It as UnsignedShort5551Type,et as UnsignedShortType,zf as UserDataNode,we as VSMShadowMap,Da as VarNode,za as VaryingNode,t as Vector2,r as Vector3,s as Vector4,Bf as VertexColorNode,Zc as ViewportDepthNode,Yc as ViewportDepthTextureNode,xh as ViewportSharedTextureNode,jc as ViewportTextureNode,Vg as VolumeNodeMaterial,l as WebGLCoordinateSystem,O as WebGLCubeRenderTarget,d as WebGPUCoordinateSystem,BS as WebGPURenderer,ke as WebXRController,ut as ZeroFactor,zr as ZeroStencilOp,it as createCanvasElement,Ps as defaultBuildStages,Us as defaultShaderStages,Is as shaderStages,Ls as vectorComponents}; +import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as o,EventDispatcher as a,MathUtils as u,WebGLCoordinateSystem as l,WebGPUCoordinateSystem as d,ColorManagement as c,SRGBTransfer as h,NoToneMapping as p,StaticDrawUsage as g,InterleavedBuffer as m,DynamicDrawUsage as f,InterleavedBufferAttribute as y,NoColorSpace as x,UnsignedIntType as b,IntType as T,BackSide as _,CubeReflectionMapping as v,CubeRefractionMapping as N,TangentSpaceNormalMap as S,ObjectSpaceNormalMap as A,InstancedInterleavedBuffer as R,InstancedBufferAttribute as C,DataArrayTexture as E,FloatType as w,FramebufferTexture as M,LinearMipmapLinearFilter as B,DepthTexture as F,Material as U,NormalBlending as P,LineBasicMaterial as I,LineDashedMaterial as L,NoBlending as D,MeshNormalMaterial as V,WebGLCubeRenderTarget as O,BoxGeometry as G,Mesh as k,Scene as z,LinearFilter as $,CubeCamera as W,CubeTexture as H,EquirectangularReflectionMapping as j,EquirectangularRefractionMapping as q,AddOperation as X,MixOperation as K,MultiplyOperation as Y,MeshBasicMaterial as Q,MeshLambertMaterial as Z,MeshPhongMaterial as J,Texture as ee,MeshStandardMaterial as te,MeshPhysicalMaterial as re,MeshToonMaterial as se,MeshMatcapMaterial as ie,SpriteMaterial as ne,PointsMaterial as oe,ShadowMaterial as ae,arrayNeedsUint32 as ue,Uint32BufferAttribute as le,Uint16BufferAttribute as de,DoubleSide as ce,Camera as he,DepthStencilFormat as pe,DepthFormat as ge,UnsignedInt248Type as me,UnsignedByteType as fe,RenderTarget as ye,Plane as xe,Object3D as be,HalfFloatType as Te,LinearMipMapLinearFilter as _e,OrthographicCamera as ve,BufferGeometry as Ne,Float32BufferAttribute as Se,BufferAttribute as Ae,UVMapping as Re,Euler as Ce,LinearSRGBColorSpace as Ee,LessCompare as we,VSMShadowMap as Me,RGFormat as Be,BasicShadowMap as Fe,SphereGeometry as Ue,CubeUVReflectionMapping as Pe,PerspectiveCamera as Ie,RGBAFormat as Le,LinearMipmapNearestFilter as De,NearestMipmapLinearFilter as Ve,Float16BufferAttribute as Oe,REVISION as Ge,ArrayCamera as ke,WebXRController as ze,RAD2DEG as $e,SRGBColorSpace as We,PCFShadowMap as He,FrontSide as je,Frustum as qe,DataTexture as Xe,RedIntegerFormat as Ke,RedFormat as Ye,RGIntegerFormat as Qe,RGBIntegerFormat as Ze,RGBFormat as Je,RGBAIntegerFormat as et,UnsignedShortType as tt,ByteType as rt,ShortType as st,warnOnce as it,createCanvasElement as nt,AddEquation as ot,SubtractEquation as at,ReverseSubtractEquation as ut,ZeroFactor as lt,OneFactor as dt,SrcColorFactor as ct,SrcAlphaFactor as ht,SrcAlphaSaturateFactor as pt,DstColorFactor as gt,DstAlphaFactor as mt,OneMinusSrcColorFactor as ft,OneMinusSrcAlphaFactor as yt,OneMinusDstColorFactor as xt,OneMinusDstAlphaFactor as bt,CullFaceNone as Tt,CullFaceBack as _t,CullFaceFront as vt,CustomBlending as Nt,MultiplyBlending as St,SubtractiveBlending as At,AdditiveBlending as Rt,NotEqualDepth as Ct,GreaterDepth as Et,GreaterEqualDepth as wt,EqualDepth as Mt,LessEqualDepth as Bt,LessDepth as Ft,AlwaysDepth as Ut,NeverDepth as Pt,UnsignedShort4444Type as It,UnsignedShort5551Type as Lt,UnsignedInt5999Type as Dt,AlphaFormat as Vt,LuminanceFormat as Ot,LuminanceAlphaFormat as Gt,RGB_S3TC_DXT1_Format as kt,RGBA_S3TC_DXT1_Format as zt,RGBA_S3TC_DXT3_Format as $t,RGBA_S3TC_DXT5_Format as Wt,RGB_PVRTC_4BPPV1_Format as Ht,RGB_PVRTC_2BPPV1_Format as jt,RGBA_PVRTC_4BPPV1_Format as qt,RGBA_PVRTC_2BPPV1_Format as Xt,RGB_ETC1_Format as Kt,RGB_ETC2_Format as Yt,RGBA_ETC2_EAC_Format as Qt,RGBA_ASTC_4x4_Format as Zt,RGBA_ASTC_5x4_Format as Jt,RGBA_ASTC_5x5_Format as er,RGBA_ASTC_6x5_Format as tr,RGBA_ASTC_6x6_Format as rr,RGBA_ASTC_8x5_Format as sr,RGBA_ASTC_8x6_Format as ir,RGBA_ASTC_8x8_Format as nr,RGBA_ASTC_10x5_Format as or,RGBA_ASTC_10x6_Format as ar,RGBA_ASTC_10x8_Format as ur,RGBA_ASTC_10x10_Format as lr,RGBA_ASTC_12x10_Format as dr,RGBA_ASTC_12x12_Format as cr,RGBA_BPTC_Format as hr,RED_RGTC1_Format as pr,SIGNED_RED_RGTC1_Format as gr,RED_GREEN_RGTC2_Format as mr,SIGNED_RED_GREEN_RGTC2_Format as fr,RepeatWrapping as yr,ClampToEdgeWrapping as xr,MirroredRepeatWrapping as br,NearestFilter as Tr,NearestMipmapNearestFilter as _r,NeverCompare as vr,AlwaysCompare as Nr,LessEqualCompare as Sr,EqualCompare as Ar,GreaterEqualCompare as Rr,GreaterCompare as Cr,NotEqualCompare as Er,NotEqualStencilFunc as wr,GreaterStencilFunc as Mr,GreaterEqualStencilFunc as Br,EqualStencilFunc as Fr,LessEqualStencilFunc as Ur,LessStencilFunc as Pr,AlwaysStencilFunc as Ir,NeverStencilFunc as Lr,DecrementWrapStencilOp as Dr,IncrementWrapStencilOp as Vr,DecrementStencilOp as Or,IncrementStencilOp as Gr,InvertStencilOp as kr,ReplaceStencilOp as zr,ZeroStencilOp as $r,KeepStencilOp as Wr,MaxEquation as Hr,MinEquation as jr,SpotLight as qr,PointLight as Xr,DirectionalLight as Kr,RectAreaLight as Yr,AmbientLight as Qr,HemisphereLight as Zr,LightProbe as Jr,LinearToneMapping as es,ReinhardToneMapping as ts,CineonToneMapping as rs,ACESFilmicToneMapping as ss,AgXToneMapping as is,NeutralToneMapping as ns,Group as os,Loader as as,FileLoader as us,MaterialLoader as ls,ObjectLoader as ds}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,CylinderGeometry,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LinearTransfer,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,PCFSoftShadowMap,Path,PlaneGeometry,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,Quaternion,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGB_BPTC_SIGNED_Format,RGB_BPTC_UNSIGNED_Format,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RenderTargetArray,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Sphere,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,TimestampQuery,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding}from"./three.core.min.js";const cs=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveMap","envMap","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"];class hs{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=cs,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}getRenderObjectData(e){let t=this.renderObjects.get(e);if(void 0===t){const{geometry:r,material:s,object:i}=e;if(t={material:this.getMaterialData(s),geometry:{id:r.id,attributes:this.getAttributesData(r.attributes),indexVersion:r.index?r.index.version:null,drawRange:{start:r.drawRange.start,count:r.drawRange.count}},worldMatrix:i.matrixWorld.clone()},i.center&&(t.center=i.center.clone()),i.morphTargetInfluences&&(t.morphTargetInfluences=i.morphTargetInfluences.slice()),null!==e.bundle&&(t.version=e.bundle.version),t.material.transmission>0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return null!==e.renderer.nodes.modelViewMatrix||null!==e.renderer.nodes.modelNormalViewMatrix}getMaterialData(e){const t={};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:s.version}:t[r]=s.clone():t[r]=s)}return t}equals(e){const{object:t,material:r,geometry:s}=e,i=this.getRenderObjectData(e);if(!0!==i.worldMatrix.equals(t.matrixWorld))return i.worldMatrix.copy(t.matrixWorld),!1;const n=i.material;for(const e in n){const t=n[e],s=r[e];if(void 0!==t.equals){if(!1===t.equals(s))return t.copy(s),!1}else if(!0===s.isTexture){if(t.id!==s.id||t.version!==s.version)return t.id=s.id,t.version=s.version,!1}else if(t!==s)return n[e]=s,!1}if(n.transmission>0){const{width:t,height:r}=e.context;if(i.bufferWidth!==t||i.bufferHeight!==r)return i.bufferWidth=t,i.bufferHeight=r,!1}const o=i.geometry,a=s.attributes,u=o.attributes,l=Object.keys(u),d=Object.keys(a);if(o.id!==s.id)return o.id=s.id,!1;if(l.length!==d.length)return i.geometry.attributes=this.getAttributesData(a),!1;for(const e of l){const t=u[e],r=a[e];if(void 0===r)return delete u[e],!1;if(t.version!==r.version)return t.version=r.version,!1}const c=s.index,h=o.indexVersion,p=c?c.version:null;if(h!==p)return o.indexVersion=p,!1;if(o.drawRange.start!==s.drawRange.start||o.drawRange.count!==s.drawRange.count)return o.drawRange.start=s.drawRange.start,o.drawRange.count=s.drawRange.count,!1;if(i.morphTargetInfluences){let e=!1;for(let r=0;r<i.morphTargetInfluences.length;r++)i.morphTargetInfluences[r]!==t.morphTargetInfluences[r]&&(e=!0);if(e)return!0}return i.center&&!1===i.center.equals(t.center)?(i.center.copy(t.center),!0):(null!==e.bundle&&(i.version=e.bundle.version),!0)}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e))return!0;const{renderId:r}=t;if(this.renderId!==r)return this.renderId=r,!0;const s=!0===e.object.static,i=null!==e.bundle&&!0===e.bundle.static&&this.getRenderObjectData(e).version===e.bundle.version;if(s||i)return!1;return!0!==this.equals(e)}}function ps(e,t=0){let r=3735928559^t,s=1103547991^t;if(e instanceof Array)for(let t,i=0;i<e.length;i++)t=e[i],r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);else for(let t,i=0;i<e.length;i++)t=e.charCodeAt(i),r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);return r=Math.imul(r^r>>>16,2246822507),r^=Math.imul(s^s>>>13,3266489909),s=Math.imul(s^s>>>16,2246822507),s^=Math.imul(r^r>>>13,3266489909),4294967296*(2097151&s)+(r>>>0)}const gs=e=>ps(e),ms=e=>ps(e),fs=(...e)=>ps(e);function ys(e,t=!1){const r=[];!0===e.isNode&&(r.push(e.id),e=e.getSelf());for(const{property:s,childNode:i}of xs(e))r.push(ps(s.slice(0,-4)),i.getCacheKey(t));return ps(r)}function*xs(e,t=!1){for(const r in e){if(!0===r.startsWith("_"))continue;const s=e[r];if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&(!0===i.isNode||t&&"function"==typeof i.toJSON)&&(yield{property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)yield{property:r,childNode:s};else if("object"==typeof s)for(const e in s){const i=s[e];i&&(!0===i.isNode||t&&"function"==typeof i.toJSON)&&(yield{property:r,index:e,childNode:i})}}}const bs=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),Ts=new WeakMap;function _s(e){return bs.get(e)}function vs(e){if(/[iu]?vec\d/.test(e))return e.startsWith("ivec")?Int32Array:e.startsWith("uvec")?Uint32Array:Float32Array;if(/mat\d/.test(e))return Float32Array;if(/float/.test(e))return Float32Array;if(/uint/.test(e))return Uint32Array;if(/int/.test(e))return Int32Array;throw new Error(`THREE.NodeUtils: Unsupported type: ${e}`)}function Ns(e){return/float|int|uint/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?9:/mat4/.test(e)?16:void console.error("THREE.TSL: Unsupported type:",e)}function Ss(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function As(a,...u){const l=a?a.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===a?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new o(...u):"bool"===a?u[0]||!1:"float"===a||"int"===a||"uint"===a?u[0]||0:"string"===a?u[0]||"":"ArrayBuffer"===a?Es(u[0]):null}function Rs(e){let t=Ts.get(e);return void 0===t&&(t={},Ts.set(e,t)),t}function Cs(e){let t="";const r=new Uint8Array(e);for(let e=0;e<r.length;e++)t+=String.fromCharCode(r[e]);return btoa(t)}function Es(e){return Uint8Array.from(atob(e),(e=>e.charCodeAt(0))).buffer}var ws=Object.freeze({__proto__:null,arrayBufferToBase64:Cs,base64ToArrayBuffer:Es,getCacheKey:ys,getDataFromObject:Rs,getLengthFromType:Ns,getNodeChildren:xs,getTypeFromLength:_s,getTypedArrayFromType:vs,getValueFromType:As,getValueType:Ss,hash:fs,hashArray:ms,hashString:gs});const Ms={VERTEX:"vertex",FRAGMENT:"fragment"},Bs={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},Fs={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},Us={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},Ps=["fragment","vertex"],Is=["setup","analyze","generate"],Ls=[...Ps,"compute"],Ds=["x","y","z","w"];let Vs=0;class Os extends a{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=Bs.NONE,this.updateBeforeType=Bs.NONE,this.updateAfterType=Bs.NONE,this.uuid=u.generateUUID(),this.version=0,this.global=!1,this.isNode=!0,this._cacheKey=null,this._cacheKeyVersion=0,Object.defineProperty(this,"id",{value:Vs++})}set needsUpdate(e){!0===e&&this.version++}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this.getSelf()),this}onFrameUpdate(e){return this.onUpdate(e,Bs.FRAME)}onRenderUpdate(e){return this.onUpdate(e,Bs.RENDER)}onObjectUpdate(e){return this.onUpdate(e,Bs.OBJECT)}onReference(e){return this.updateReference=e.bind(this.getSelf()),this}getSelf(){return this.self||this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of xs(this))yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}getCacheKey(e=!1){return!0!==(e=e||this.version!==this._cacheKeyVersion)&&null!==this._cacheKey||(this._cacheKey=fs(ys(this,e),this.customCacheKey()),this._cacheKeyVersion=this.version),this._cacheKey}customCacheKey(){return 0}getScope(){return this}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getNodeType(e){const t=e.getNodeProperties(this);return t.outputNode?t.outputNode.getNodeType(e):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e){if(1===e.increaseUsage(this)){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){console.warn("Abstract function.")}updateAfter(){console.warn("Abstract function.")}update(){console.warn("Abstract function.")}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);e.addNode(this),e.addChain(this);let s=null;const i=e.getBuildStage();if("setup"===i){this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0;const r=this.setup(e),s=r&&!0===r.isNode;for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e);s&&r.build(e),t.outputNode=r}}else if("analyze"===i)this.analyze(e);else if("generate"===i){if(1===this.generate.length){const r=this.getNodeType(e),i=e.getDataFromNode(this);s=i.snippet,void 0===s?(s=this.generate(e)||"",i.snippet=s):void 0!==i.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),s=e.format(s,r,t)}else s=this.generate(e,t)||""}return e.removeChain(this),e.addSequentialNode(this),s}getSerializeChildren(){return xs(this)}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.6,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}class Gs extends Os{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}getNodeType(e){return this.node.getElementType(e)}generate(e){return`${this.node.build(e)}[ ${this.indexNode.build(e,"uint")} ]`}}class ks extends Os{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}getNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class zs extends Os{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),o=e.getPropertyName(n);return e.addLineFlowCode(`${o} = ${i}`,this),s.snippet=i,s.propertyName=o,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class $s extends zs{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}getNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce(((t,r)=>t+e.getTypeLength(r.getNodeType(e))),0))}generate(e,t){const r=this.getNodeType(e),s=this.nodes,i=e.getComponentType(r),n=[];for(const t of s){let r=t.build(e);const s=e.getComponentType(t.getNodeType(e));s!==i&&(r=e.format(r,s,i)),n.push(r)}const o=`${e.getType(r)}( ${n.join(", ")} )`;return e.format(o,r,t)}}const Ws=Ds.join("");class Hs extends Os{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(Ds.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}getNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const o=r.build(e,n);i=this.components.length===s&&this.components===Ws.slice(0,this.components.length)?e.format(o,n,t):e.format(`${o}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class js extends zs{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),o=e.getTypeFromLength(r.length,n),a=s.build(e,o),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=Ds[e];t===r[0]?(d.push(a),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class qs extends zs{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),o=e.getPropertyName(n);e.addLineFlowCode(o+" = "+i,this);const a=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<a;e++){const r=Ds[e];r===t[l]?(u.push("1.0 - "+o+"."+r),l++):u.push(o+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class Xs extends Os{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}getNodeType(){return null===this.nodeType?Ss(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=Ss(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=Cs(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?As(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){console.warn("Abstract function.")}}const Ks=/float|u?int/;class Ys extends Xs{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return Ks.test(r)&&Ks.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),r,t)}}let Qs=null;const Zs=new Map;function Js(e,t){if(Zs.has(e))console.warn(`Redefinition of method chaining ${e}`);else{if("function"!=typeof t)throw new Error(`Node element ${e} is not a function`);Zs.set(e,t)}}const ei=e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"),ti=e=>ei(e).split("").sort().join(""),ri={setup(e,t){const r=t.shift();return e(Ci(r),...t)},get(e,t,r){if("string"==typeof t&&void 0===e[t]){if(!0!==e.isStackNode&&"assign"===t)return(...e)=>(Qs.assign(r,...e),r);if(Zs.has(t)){const s=Zs.get(t);return e.isStackNode?(...e)=>r.add(s(...e)):(...e)=>s(r,...e)}if("self"===t)return e;if(t.endsWith("Assign")&&Zs.has(t.slice(0,t.length-6))){const s=Zs.get(t.slice(0,t.length-6));return e.isStackNode?(...e)=>r.assign(e[0],s(...e)):(...e)=>r.assign(s(r,...e))}if(!0===/^[xyzwrgbastpq]{1,4}$/.test(t))return t=ei(t),Ri(new Hs(r,t));if(!0===/^set[XYZWRGBASTPQ]{1,4}$/.test(t))return t=ti(t.slice(3).toLowerCase()),r=>Ri(new js(e,t,r));if(!0===/^flip[XYZWRGBASTPQ]{1,4}$/.test(t))return t=ti(t.slice(4).toLowerCase()),()=>Ri(new qs(Ri(e),t));if("width"===t||"height"===t||"depth"===t)return"width"===t?t="x":"height"===t?t="y":"depth"===t&&(t="z"),Ri(new Hs(e,t));if(!0===/^\d+$/.test(t))return Ri(new Gs(r,new Ys(Number(t),"uint")))}return Reflect.get(e,t,r)},set:(e,t,r,s)=>"string"!=typeof t||void 0!==e[t]||!0!==/^[xyzwrgbastpq]{1,4}$/.test(t)&&"width"!==t&&"height"!==t&&"depth"!==t&&!0!==/^\d+$/.test(t)?Reflect.set(e,t,r,s):(s[t].assign(r),!0)},si=new WeakMap,ii=new WeakMap,ni=function(e,t=null){for(const r in e)e[r]=Ri(e[r],t);return e},oi=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=Ri(e[s],t);return e},ai=function(e,t=null,r=null,s=null){const i=e=>Ri(null!==s?Object.assign(e,s):e);return null===t?(...t)=>i(new e(...Ei(t))):null!==r?(r=Ri(r),(...s)=>i(new e(t,...Ei(s),r))):(...r)=>i(new e(t,...Ei(r)))},ui=function(e,...t){return Ri(new e(...Ei(t)))};class li extends Os{constructor(e,t){super(),this.shaderNode=e,this.inputNodes=t}getNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}call(e){const{shaderNode:t,inputNodes:r}=this,s=e.getNodeProperties(t);if(s.onceOutput)return s.onceOutput;let i=null;if(t.layout){let s=ii.get(e.constructor);void 0===s&&(s=new WeakMap,ii.set(e.constructor,s));let n=s.get(t);void 0===n&&(n=Ri(e.buildFunctionNode(t)),s.set(t,n)),null!==e.currentFunctionNode&&e.currentFunctionNode.includes.push(n),i=Ri(n.call(r))}else{const s=t.jsFunc,n=null!==r||s.length>1?s(r||[],e):s(e);i=Ri(n)}return t.once&&(s.onceOutput=i),i}getOutputNode(e){const t=e.getNodeProperties(this);return null===t.outputNode&&(t.outputNode=this.setupOutput(e)),t.outputNode}setup(e){return this.getOutputNode(e)}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}generate(e,t){return this.getOutputNode(e).build(e,t)}}class di extends Os{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}call(e=null){return Ci(e),Ri(new li(this,e))}setup(){return this.call()}}const ci=[!1,!0],hi=[0,1,2,3],pi=[-1,-2],gi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],mi=new Map;for(const e of ci)mi.set(e,new Ys(e));const fi=new Map;for(const e of hi)fi.set(e,new Ys(e,"uint"));const yi=new Map([...fi].map((e=>new Ys(e.value,"int"))));for(const e of pi)yi.set(e,new Ys(e,"int"));const xi=new Map([...yi].map((e=>new Ys(e.value))));for(const e of gi)xi.set(e,new Ys(e));for(const e of gi)xi.set(-e,new Ys(-e));const bi={bool:mi,uint:fi,ints:yi,float:xi},Ti=new Map([...mi,...xi]),_i=(e,t)=>Ti.has(e)?Ti.get(e):!0===e.isNode?e:new Ys(e,t),vi=function(e,t=null){return(...r)=>{if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every((e=>"object"!=typeof e)))&&(r=[As(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return Ri(t.get(r[0]));if(1===r.length){const t=_i(r[0],e);return(e=>{try{return e.getNodeType()}catch(e){return}})(t)===e?Ri(t):Ri(new ks(t,e))}const s=r.map((e=>_i(e)));return Ri(new $s(s,e))}},Ni=e=>"object"==typeof e&&null!==e?e.value:e,Si=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function Ai(e,t){return new Proxy(new di(e,t),ri)}const Ri=(e,t=null)=>function(e,t=null){const r=Ss(e);if("node"===r){let t=si.get(e);return void 0===t&&(t=new Proxy(e,ri),si.set(e,t),si.set(t,t)),t}return null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?Ri(_i(e,t)):"shader"===r?Bi(e):e}(e,t),Ci=(e,t=null)=>new ni(e,t),Ei=(e,t=null)=>new oi(e,t),wi=(...e)=>new ai(...e),Mi=(...e)=>new ui(...e),Bi=(e,t)=>{const r=new Ai(e,t),s=(...e)=>{let t;return Ci(e),t=e[0]&&e[0].isNode?[...e]:e[0],r.call(t)};return s.shaderNode=r,s.setLayout=e=>(r.setLayout(e),s),s.once=()=>(r.once=!0,s),s};Js("toGlobal",(e=>(e.global=!0,e)));const Fi=e=>{Qs=e},Ui=()=>Qs,Pi=(...e)=>Qs.If(...e);function Ii(e){return Qs&&Qs.add(e),e}Js("append",Ii);const Li=new vi("color"),Di=new vi("float",bi.float),Vi=new vi("int",bi.ints),Oi=new vi("uint",bi.uint),Gi=new vi("bool",bi.bool),ki=new vi("vec2"),zi=new vi("ivec2"),$i=new vi("uvec2"),Wi=new vi("bvec2"),Hi=new vi("vec3"),ji=new vi("ivec3"),qi=new vi("uvec3"),Xi=new vi("bvec3"),Ki=new vi("vec4"),Yi=new vi("ivec4"),Qi=new vi("uvec4"),Zi=new vi("bvec4"),Ji=new vi("mat2"),en=new vi("mat3"),tn=new vi("mat4");Js("toColor",Li),Js("toFloat",Di),Js("toInt",Vi),Js("toUint",Oi),Js("toBool",Gi),Js("toVec2",ki),Js("toIVec2",zi),Js("toUVec2",$i),Js("toBVec2",Wi),Js("toVec3",Hi),Js("toIVec3",ji),Js("toUVec3",qi),Js("toBVec3",Xi),Js("toVec4",Ki),Js("toIVec4",Yi),Js("toUVec4",Qi),Js("toBVec4",Zi),Js("toMat2",Ji),Js("toMat3",en),Js("toMat4",tn);const rn=wi(Gs),sn=(e,t)=>Ri(new ks(Ri(e),t));Js("element",rn),Js("convert",sn);class nn extends zs{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getNodeType(e){return null===this.nodeType&&(this.nodeType=this.values[0].getNodeType(e)),this.nodeType}getElementType(e){return this.getNodeType(e)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const on=(...e)=>{let t;if(1===e.length){const r=e[0];t=new nn(null,r.length,r)}else{const r=e[0],s=e[1];t=new nn(r,s)}return Ri(t)};Js("toArray",((e,t)=>on(Array(t).fill(e))));class an extends Os{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1){super("string"),this.name=e,this.shared=t,this.order=r,this.isUniformGroup=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const un=e=>new an(e),ln=(e,t=0)=>new an(e,!0,t),dn=ln("frame"),cn=ln("render"),hn=un("object");class pn extends Xs{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=hn}label(e){return this.name=e,this}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){const r=this.getSelf();return e=e.bind(r),super.onUpdate((t=>{const s=e(t,r);void 0!==s&&(this.value=s)}),t)}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),o=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.label),a=e.getPropertyName(o);return void 0!==e.context.label&&delete e.context.label,e.format(a,r,t)}}const gn=(e,t)=>{const r=Si(t||e),s=e&&!0===e.isNode?e.node&&e.node.value||e.value:e;return Ri(new pn(s,r))};class mn extends Os{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1){super(e),this.name=t,this.varying=r,this.isPropertyNode=!0}getHash(e){return this.name||super.getHash(e)}isGlobal(){return!0}generate(e){let t;return!0===this.varying?(t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0):t=e.getVarFromNode(this,this.name),e.getPropertyName(t)}}const fn=(e,t)=>Ri(new mn(e,t)),yn=(e,t)=>Ri(new mn(e,t,!0)),xn=Mi(mn,"vec4","DiffuseColor"),bn=Mi(mn,"vec3","EmissiveColor"),Tn=Mi(mn,"float","Roughness"),_n=Mi(mn,"float","Metalness"),vn=Mi(mn,"float","Clearcoat"),Nn=Mi(mn,"float","ClearcoatRoughness"),Sn=Mi(mn,"vec3","Sheen"),An=Mi(mn,"float","SheenRoughness"),Rn=Mi(mn,"float","Iridescence"),Cn=Mi(mn,"float","IridescenceIOR"),En=Mi(mn,"float","IridescenceThickness"),wn=Mi(mn,"float","AlphaT"),Mn=Mi(mn,"float","Anisotropy"),Bn=Mi(mn,"vec3","AnisotropyT"),Fn=Mi(mn,"vec3","AnisotropyB"),Un=Mi(mn,"color","SpecularColor"),Pn=Mi(mn,"float","SpecularF90"),In=Mi(mn,"float","Shininess"),Ln=Mi(mn,"vec4","Output"),Dn=Mi(mn,"float","dashSize"),Vn=Mi(mn,"float","gapSize"),On=Mi(mn,"float","pointWidth"),Gn=Mi(mn,"float","IOR"),kn=Mi(mn,"float","Transmission"),zn=Mi(mn,"float","Thickness"),$n=Mi(mn,"float","AttenuationDistance"),Wn=Mi(mn,"color","AttenuationColor"),Hn=Mi(mn,"float","Dispersion");class jn extends zs{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t}hasDependencies(){return!1}getNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return Ds.join("").slice(0,r)!==t.components}return!1}generate(e,t){const{targetNode:r,sourceNode:s}=this,i=this.needsSplitAssign(e),n=r.getNodeType(e),o=r.context({assign:!0}).build(e),a=s.build(e,n),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=o);else if(i){const s=e.getVarFromNode(this,null,n),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${a}`,this);const u=r.node.context({assign:!0}).build(e);for(let t=0;t<r.components.length;t++){const s=r.components[t];e.addLineFlowCode(`${u}.${s} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=o)}else d=`${o} = ${a}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=o));return l.initialized=!0,e.format(d,n,t)}}const qn=wi(jn);Js("assign",qn);class Xn extends zs{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}getNodeType(e){return this.functionNode.getNodeType(e)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i))for(let e=0;e<i.length;e++)t.push(n(i[e],s[e]));else for(const e of s){const r=i[e.name];if(void 0===r)throw new Error(`FunctionCallNode: Input '${e.name}' not found in FunctionNode.`);t.push(n(r,e))}return`${r.build(e,"property")}( ${t.join(", ")} )`}}const Kn=(e,...t)=>(t=t.length>1||t[0]&&!0===t[0].isNode?Ei(t):Ci(t[0]),Ri(new Xn(Ri(e),t)));Js("call",Kn);class Yn extends zs{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new Yn(e,t,r);for(let t=0;t<s.length-1;t++)i=new Yn(e,i,s[t]);t=i,r=s[s.length-1]}this.op=e,this.aNode=t,this.bNode=r,this.isOperatorNode=!0}getNodeType(e,t){const r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),o=void 0!==i?i.getNodeType(e):null;if("void"===n||"void"===o)return"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("!"===r||"=="===r||"&&"===r||"||"===r||"^^"===r)return"bool";if("<"===r||">"===r||"<="===r||">="===r){const r=t?e.getTypeLength(t):Math.max(e.getTypeLength(n),e.getTypeLength(o));return r>1?`bvec${r}`:"bool"}if(e.isMatrix(n)){if("float"===o)return n;if(e.isVector(o))return e.getVectorFromMatrix(n);if(e.isMatrix(o))return n}else if(e.isMatrix(o)){if("float"===n)return o;if(e.isVector(n))return e.getVectorFromMatrix(o)}return e.getTypeLength(o)>e.getTypeLength(n)?o:n}generate(e,t){const r=this.op,s=this.aNode,i=this.bNode,n=this.getNodeType(e,t);let o=null,a=null;"void"!==n?(o=s.getNodeType(e),a=void 0!==i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r?e.isVector(o)?a=o:o!==a&&(o=a="float"):">>"===r||"<<"===r?(o=n,a=e.changeComponentType(a,"uint")):e.isMatrix(o)?"float"===a?a="float":e.isVector(a)?a=e.getVectorFromMatrix(o):e.isMatrix(a)||(o=a=n):o=e.isMatrix(a)?"float"===o?"float":e.isVector(o)?e.getVectorFromMatrix(a):a=n:a=n):o=a=n;const u=s.build(e,o),l=void 0!==i?i.build(e,a):null,d=e.getTypeLength(t),c=e.getFunctionOperator(r);return"void"!==t?"<"===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("lessThan",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} < ${l} )`,n,t):"<="===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("lessThanEqual",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} <= ${l} )`,n,t):">"===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("greaterThan",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} > ${l} )`,n,t):">="===r&&d>1?e.useComparisonMethod?e.format(`${e.getMethod("greaterThanEqual",t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} >= ${l} )`,n,t):"!"===r||"~"===r?e.format(`(${r}${u})`,o,t):c?e.format(`${c}( ${u}, ${l} )`,n,t):e.isMatrix(o)&&"float"===a?e.format(`( ${l} ${r} ${u} )`,n,t):"float"===o&&e.isMatrix(a)?e.format(`${u} ${r} ${l}`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t):"void"!==o?c?e.format(`${c}( ${u}, ${l} )`,n,t):e.isMatrix(o)&&"float"===a?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t):void 0}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Qn=wi(Yn,"+"),Zn=wi(Yn,"-"),Jn=wi(Yn,"*"),eo=wi(Yn,"/"),to=wi(Yn,"%"),ro=wi(Yn,"=="),so=wi(Yn,"!="),io=wi(Yn,"<"),no=wi(Yn,">"),oo=wi(Yn,"<="),ao=wi(Yn,">="),uo=wi(Yn,"&&"),lo=wi(Yn,"||"),co=wi(Yn,"!"),ho=wi(Yn,"^^"),po=wi(Yn,"&"),go=wi(Yn,"~"),mo=wi(Yn,"|"),fo=wi(Yn,"^"),yo=wi(Yn,"<<"),xo=wi(Yn,">>");Js("add",Qn),Js("sub",Zn),Js("mul",Jn),Js("div",eo),Js("modInt",to),Js("equal",ro),Js("notEqual",so),Js("lessThan",io),Js("greaterThan",no),Js("lessThanEqual",oo),Js("greaterThanEqual",ao),Js("and",uo),Js("or",lo),Js("not",co),Js("xor",ho),Js("bitAnd",po),Js("bitNot",go),Js("bitOr",mo),Js("bitXor",fo),Js("shiftLeft",yo),Js("shiftRight",xo);const bo=(...e)=>(console.warn("TSL.OperatorNode: .remainder() has been renamed to .modInt()."),to(...e));Js("remainder",bo);class To extends zs{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){super(),this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),o=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>o?t:n>o?r:o>i?s:t}getNodeType(e){const t=this.method;return t===To.LENGTH||t===To.DISTANCE||t===To.DOT?"float":t===To.CROSS?"vec3":t===To.ALL?"bool":t===To.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):t===To.MOD?this.aNode.getNodeType(e):this.getInputType(e)}generate(e,t){let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,o=this.bNode,a=this.cNode,u=e.renderer.coordinateSystem;if(r===To.TRANSFORM_DIRECTION){let r=n,s=o;e.isMatrix(r.getNodeType(e))?s=Ki(Hi(s),0):r=Ki(Hi(r),0);const i=Jn(r,s).xyz;return Do(i).build(e,t)}if(r===To.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);if(r===To.ONE_MINUS)return Zn(1,n).build(e,t);if(r===To.RECIPROCAL)return eo(1,n).build(e,t);if(r===To.DIFFERENCE)return Ho(Zn(n,o)).build(e,t);{const c=[];return r===To.CROSS||r===To.MOD?c.push(n.build(e,s),o.build(e,s)):u===l&&r===To.STEP?c.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),o.build(e,i)):u===l&&(r===To.MIN||r===To.MAX)||r===To.MOD?c.push(n.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):r===To.REFRACT?c.push(n.build(e,i),o.build(e,i),a.build(e,"float")):r===To.MIX?c.push(n.build(e,i),o.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)):(u===d&&r===To.ATAN&&null!==o&&(r="atan2"),c.push(n.build(e,i)),null!==o&&c.push(o.build(e,i)),null!==a&&c.push(a.build(e,i))),e.format(`${e.getMethod(r,s)}( ${c.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}To.ALL="all",To.ANY="any",To.RADIANS="radians",To.DEGREES="degrees",To.EXP="exp",To.EXP2="exp2",To.LOG="log",To.LOG2="log2",To.SQRT="sqrt",To.INVERSE_SQRT="inversesqrt",To.FLOOR="floor",To.CEIL="ceil",To.NORMALIZE="normalize",To.FRACT="fract",To.SIN="sin",To.COS="cos",To.TAN="tan",To.ASIN="asin",To.ACOS="acos",To.ATAN="atan",To.ABS="abs",To.SIGN="sign",To.LENGTH="length",To.NEGATE="negate",To.ONE_MINUS="oneMinus",To.DFDX="dFdx",To.DFDY="dFdy",To.ROUND="round",To.RECIPROCAL="reciprocal",To.TRUNC="trunc",To.FWIDTH="fwidth",To.TRANSPOSE="transpose",To.BITCAST="bitcast",To.EQUALS="equals",To.MIN="min",To.MAX="max",To.MOD="mod",To.STEP="step",To.REFLECT="reflect",To.DISTANCE="distance",To.DIFFERENCE="difference",To.DOT="dot",To.CROSS="cross",To.POW="pow",To.TRANSFORM_DIRECTION="transformDirection",To.MIX="mix",To.CLAMP="clamp",To.REFRACT="refract",To.SMOOTHSTEP="smoothstep",To.FACEFORWARD="faceforward";const _o=Di(1e-6),vo=Di(1e6),No=Di(Math.PI),So=Di(2*Math.PI),Ao=wi(To,To.ALL),Ro=wi(To,To.ANY),Co=wi(To,To.RADIANS),Eo=wi(To,To.DEGREES),wo=wi(To,To.EXP),Mo=wi(To,To.EXP2),Bo=wi(To,To.LOG),Fo=wi(To,To.LOG2),Uo=wi(To,To.SQRT),Po=wi(To,To.INVERSE_SQRT),Io=wi(To,To.FLOOR),Lo=wi(To,To.CEIL),Do=wi(To,To.NORMALIZE),Vo=wi(To,To.FRACT),Oo=wi(To,To.SIN),Go=wi(To,To.COS),ko=wi(To,To.TAN),zo=wi(To,To.ASIN),$o=wi(To,To.ACOS),Wo=wi(To,To.ATAN),Ho=wi(To,To.ABS),jo=wi(To,To.SIGN),qo=wi(To,To.LENGTH),Xo=wi(To,To.NEGATE),Ko=wi(To,To.ONE_MINUS),Yo=wi(To,To.DFDX),Qo=wi(To,To.DFDY),Zo=wi(To,To.ROUND),Jo=wi(To,To.RECIPROCAL),ea=wi(To,To.TRUNC),ta=wi(To,To.FWIDTH),ra=wi(To,To.TRANSPOSE),sa=wi(To,To.BITCAST),ia=wi(To,To.EQUALS),na=wi(To,To.MIN),oa=wi(To,To.MAX),aa=wi(To,To.MOD),ua=wi(To,To.STEP),la=wi(To,To.REFLECT),da=wi(To,To.DISTANCE),ca=wi(To,To.DIFFERENCE),ha=wi(To,To.DOT),pa=wi(To,To.CROSS),ga=wi(To,To.POW),ma=wi(To,To.POW,2),fa=wi(To,To.POW,3),ya=wi(To,To.POW,4),xa=wi(To,To.TRANSFORM_DIRECTION),ba=e=>Jn(jo(e),ga(Ho(e),1/3)),Ta=e=>ha(e,e),_a=wi(To,To.MIX),va=(e,t=0,r=1)=>Ri(new To(To.CLAMP,Ri(e),Ri(t),Ri(r))),Na=e=>va(e),Sa=wi(To,To.REFRACT),Aa=wi(To,To.SMOOTHSTEP),Ra=wi(To,To.FACEFORWARD),Ca=Bi((([e])=>{const t=ha(e.xy,ki(12.9898,78.233)),r=aa(t,No);return Vo(Oo(r).mul(43758.5453))})),Ea=(e,t,r)=>_a(t,r,e),wa=(e,t,r)=>Aa(t,r,e),Ma=(e,t)=>(console.warn('THREE.TSL: "atan2" is overloaded. Use "atan" instead.'),Wo(e,t)),Ba=Ra,Fa=Po;Js("all",Ao),Js("any",Ro),Js("equals",ia),Js("radians",Co),Js("degrees",Eo),Js("exp",wo),Js("exp2",Mo),Js("log",Bo),Js("log2",Fo),Js("sqrt",Uo),Js("inverseSqrt",Po),Js("floor",Io),Js("ceil",Lo),Js("normalize",Do),Js("fract",Vo),Js("sin",Oo),Js("cos",Go),Js("tan",ko),Js("asin",zo),Js("acos",$o),Js("atan",Wo),Js("abs",Ho),Js("sign",jo),Js("length",qo),Js("lengthSq",Ta),Js("negate",Xo),Js("oneMinus",Ko),Js("dFdx",Yo),Js("dFdy",Qo),Js("round",Zo),Js("reciprocal",Jo),Js("trunc",ea),Js("fwidth",ta),Js("atan2",Ma),Js("min",na),Js("max",oa),Js("mod",aa),Js("step",ua),Js("reflect",la),Js("distance",da),Js("dot",ha),Js("cross",pa),Js("pow",ga),Js("pow2",ma),Js("pow3",fa),Js("pow4",ya),Js("transformDirection",xa),Js("mix",Ea),Js("clamp",va),Js("refract",Sa),Js("smoothstep",wa),Js("faceForward",Ra),Js("difference",ca),Js("saturate",Na),Js("cbrt",ba),Js("transpose",ra),Js("rand",Ca);class Ua extends Os{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}getNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return this.setup(e),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode.cache(),r=this.ifNode.cache(),s=this.elseNode?this.elseNode.cache():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.getNodeProperties(this);n.condNode=t,n.ifNode=r.context({nodeBlock:r}),n.elseNode=s?s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:o}=e.getNodeProperties(this),a="void"!==t,u=a?fn(r).build(e):"";s.nodeProperty=u;const l=i.build(e,"bool");e.addFlowCode(`\n${e.tab}if ( ${l} ) {\n\n`).addFlowTab();let d=n.build(e,r);if(d&&(d=a?u+" = "+d+";":"return "+d+";"),e.removeFlowTab().addFlowCode(e.tab+"\t"+d+"\n\n"+e.tab+"}"),null!==o){e.addFlowCode(" else {\n\n").addFlowTab();let t=o.build(e,r);t&&(t=a?u+" = "+t+";":"return "+t+";"),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(u,r,t)}}const Pa=wi(Ua);Js("select",Pa);const Ia=(...e)=>(console.warn("TSL.ConditionalNode: cond() has been renamed to select()."),Pa(...e));Js("cond",Ia);class La extends Os{static get type(){return"ContextNode"}constructor(e,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}getNodeType(e){return this.node.getNodeType(e)}analyze(e){this.node.build(e)}setup(e){const t=e.getContext();e.setContext({...e.context,...this.value});const r=this.node.build(e);return e.setContext(t),r}generate(e,t){const r=e.getContext();e.setContext({...e.context,...this.value});const s=this.node.build(e,t);return e.setContext(r),s}}const Da=wi(La),Va=(e,t)=>Da(e,{label:t});Js("context",Da),Js("label",Va);class Oa extends Os{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r}getHash(e){return this.name||super.getHash(e)}getElementType(e){return this.node.getElementType(e)}getNodeType(e){return this.node.getNodeType(e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let o=!1,a=!1;s&&(o=e.isDeterministic(t),a=n?s:o);const u=e.getVectorType(this.getNodeType(e)),l=t.build(e,u),d=e.getVarFromNode(this,r,u,void 0,a),c=e.getPropertyName(d);let h=c;if(a)if(n)h=o?`const ${c}`:`let ${c}`;else{const r=e.getArrayCount(t);h=`const ${e.getVar(d.type,c,r)}`}return e.addLineFlowCode(`${h} = ${l}`,this),c}}const Ga=wi(Oa),ka=(e,t=null)=>Ga(e,t).append(),za=(e,t=null)=>Ga(e,t,!0).append();Js("toVar",ka),Js("toConst",za);const $a=e=>(console.warn('TSL: "temp( node )" is deprecated. Use "Var( node )" or "node.toVar()" instead.'),Ga(e));Js("temp",$a);class Wa extends Os{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=e,this.name=t,this.isVaryingNode=!0}isGlobal(){return!0}getHash(e){return this.name||super.getHash(e)}getNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e);t.varying=r=e.getVaryingFromNode(this,s,i),t.node=this.node}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e)}analyze(e){return this.setupVarying(e),this.node.analyze(e)}generate(e){const t=e.getNodeProperties(this),r=this.setupVarying(e),s="fragment"===e.shaderStage&&!0===t.reassignPosition&&e.context.needsPositionReassign;if(void 0===t.propertyName||s){const i=this.getNodeType(e),n=e.getPropertyName(r,Ms.VERTEX);e.flowNodeFromShaderStage(Ms.VERTEX,this.node,i,n),t.propertyName=n,s?t.reassignPosition=!1:void 0===t.reassignPosition&&e.context.isPositionNodeInput&&(t.reassignPosition=!0)}return e.getPropertyName(r)}}const Ha=wi(Wa),ja=e=>Ha(e);Js("toVarying",Ha),Js("toVertexStage",ja),Js("varying",((...e)=>(console.warn("TSL.VaryingNode: .varying() has been renamed to .toVarying()."),Ha(...e)))),Js("vertexStage",((...e)=>(console.warn("TSL.VaryingNode: .vertexStage() has been renamed to .toVertexStage()."),Ha(...e))));const qa=Bi((([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return _a(t,r,s)})).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Xa=Bi((([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return _a(t,r,s)})).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Ka="WorkingColorSpace",Ya="OutputColorSpace";class Qa extends zs{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===Ka?c.workingColorSpace:t===Ya?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==c.enabled&&r!==s&&r&&s?(c.getTransfer(r)===h&&(i=Ki(qa(i.rgb),i.a)),c.getPrimaries(r)!==c.getPrimaries(s)&&(i=Ki(en(c._getMatrix(new n,r,s)).mul(i.rgb),i.a)),c.getTransfer(s)===h&&(i=Ki(Xa(i.rgb),i.a)),i):i}}const Za=e=>Ri(new Qa(Ri(e),Ka,Ya)),Ja=e=>Ri(new Qa(Ri(e),Ya,Ka)),eu=(e,t)=>Ri(new Qa(Ri(e),Ka,t)),tu=(e,t)=>Ri(new Qa(Ri(e),t,Ka));Js("toOutputColorSpace",Za),Js("toWorkingColorSpace",Ja),Js("workingToColorSpace",eu),Js("colorSpaceToWorking",tu);let ru=class extends Gs{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class su extends Os{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=Bs.OBJECT}setGroup(e){return this.group=e,this}element(e){return Ri(new ru(this,Ri(e)))}setNodeType(e){const t=gn(null,e).getSelf();null!==this.group&&t.setGroup(this.group),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class iu extends su{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(cn)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const nu=(e,t,r=null)=>Ri(new iu(e,t,r));class ou extends zs{static get type(){return"ToneMappingNode"}constructor(e,t=uu,r=null){super("vec3"),this.toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return fs(this.toneMapping)}setup(e){const t=this.colorNode||e.context.color,r=this.toneMapping;if(r===p)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=Ki(i(t.rgb,this.exposureNode),t.a):(console.error("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const au=(e,t,r)=>Ri(new ou(e,Ri(t),Ri(r))),uu=nu("toneMappingExposure","float");Js("toneMapping",((e,t,r)=>au(t,r,e)));class lu extends Xs{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=g,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){if(0===this.bufferStride&&0===this.bufferOffset){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=this.value,s=e.getTypeLength(t),i=this.bufferStride||s,n=this.bufferOffset,o=!0===r.isInterleavedBuffer?r:new m(r,i),a=new y(o,s,n);o.setUsage(this.usage),this.attribute=a,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.getBufferAttributeFromNode(this,t),s=e.getPropertyName(r);let i=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=s,i=s;else{i=Ha(this).build(e,t)}return i}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}const du=(e,t=null,r=0,s=0)=>Ri(new lu(e,t,r,s)),cu=(e,t=null,r=0,s=0)=>du(e,t,r,s).setUsage(f),hu=(e,t=null,r=0,s=0)=>du(e,t,r,s).setInstanced(!0),pu=(e,t=null,r=0,s=0)=>cu(e,t,r,s).setInstanced(!0);Js("toAttribute",(e=>du(e.value)));class gu extends Os{static get type(){return"ComputeNode"}constructor(e,t,r=[64]){super("void"),this.isComputeNode=!0,this.computeNode=e,this.count=t,this.workgroupSize=r,this.dispatchCount=0,this.version=1,this.name="",this.updateBeforeType=Bs.OBJECT,this.onInitFunction=null,this.updateDispatchCount()}dispose(){this.dispatchEvent({type:"dispose"})}label(e){return this.name=e,this}updateDispatchCount(){const{count:e,workgroupSize:t}=this;let r=t[0];for(let e=1;e<t.length;e++)r*=t[e];this.dispatchCount=Math.ceil(e/r)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}generate(e){const{shaderStage:t}=e;if("compute"===t){const t=this.computeNode.build(e,"void");""!==t&&e.addLineFlowCode(t,this)}}}const mu=(e,t,r)=>Ri(new gu(Ri(e),t,r));Js("compute",mu);class fu extends Os{static get type(){return"CacheNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isCacheNode=!0}getNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}}const yu=(e,t)=>Ri(new fu(Ri(e),t));Js("cache",yu);class xu extends Os{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}getNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const bu=wi(xu);Js("bypass",bu);class Tu extends Os{static get type(){return"RemapNode"}constructor(e,t,r,s=Di(0),i=Di(1)){super(),this.node=e,this.inLowNode=t,this.inHighNode=r,this.outLowNode=s,this.outHighNode=i,this.doClamp=!0}setup(){const{node:e,inLowNode:t,inHighNode:r,outLowNode:s,outHighNode:i,doClamp:n}=this;let o=e.sub(t).div(r.sub(t));return!0===n&&(o=o.clamp()),o.mul(i.sub(s)).add(s)}}const _u=wi(Tu,null,null,{doClamp:!1}),vu=wi(Tu);Js("remap",_u),Js("remapClamp",vu);class Nu extends Os{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(`( ${s} )`,r,t);e.addLineFlowCode(s,this)}}const Su=wi(Nu),Au=e=>(e?Pa(e,Su("discard")):Su("discard")).append();Js("discard",Au);class Ru extends zs{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setup({context:e}){let t=this.colorNode||e.color;const r=(null!==this.toneMapping?this.toneMapping:e.toneMapping)||p,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||x;return r!==p&&(t=t.toneMapping(r)),s!==x&&s!==c.workingColorSpace&&(t=t.workingToColorSpace(s)),t}}const Cu=(e,t=null,r=null)=>Ri(new Ru(Ri(e),t,r));Js("renderOutput",Cu);class Eu extends Os{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}getNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return Ha(this).build(e,r)}return console.warn(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const wu=(e,t)=>Ri(new Eu(e,t)),Mu=(e=0)=>wu("uv"+(e>0?e:""),"vec2");class Bu extends Os{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const Fu=wi(Bu);class Uu extends pn{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=Bs.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Pu=wi(Uu);class Iu extends pn{static get type(){return"TextureNode"}constructor(e,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=Bs.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return!0===this.value.isDepthTexture?"float":this.value.type===b?"uvec4":this.value.type===T?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return Mu(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=gn(this.value.matrix)),this._matrixUniform.mul(Hi(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this.updateType=e?Bs.RENDER:Bs.NONE,this}setupUV(e,t){const r=this.value;return e.isFlipY()&&(r.image instanceof ImageBitmap&&!0===r.flipY||!0===r.isRenderTargetTexture||!0===r.isFramebufferTexture||!0===r.isDepthTexture)&&(t=this.sampler?t.flipY():t.setY(Vi(Fu(this,this.levelNode).y).sub(t.y).sub(1))),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Error("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().");let s=this.uvNode;null!==s&&!0!==e.context.forceUVContext||!e.context.getUV||(s=e.context.getUV(this)),s||(s=this.getDefaultUV()),!0===this.updateMatrix&&(s=this.getTransformedUV(s)),s=this.setupUV(e,s);let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this)),t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=this.compareNode,t.gradNode=this.gradNode,t.depthNode=this.depthNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateSnippet(e,t,r,s,i,n,o,a){const u=this.value;let l;return l=s?e.generateTextureLevel(u,t,r,s,n):i?e.generateTextureBias(u,t,r,i,n):a?e.generateTextureGrad(u,t,r,a,n):o?e.generateTextureCompare(u,t,r,o,n):!1===this.sampler?e.generateTextureLoad(u,t,r,n):e.generateTexture(u,t,r,n),l}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if("sampler"===t)return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this);let o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:r,biasNode:a,compareNode:u,depthNode:l,gradNode:d}=s,c=this.generateUV(e,t),h=r?r.build(e,"float"):null,p=a?a.build(e,"float"):null,g=l?l.build(e,"int"):null,m=u?u.build(e,"float"):null,f=d?[d[0].build(e,"vec2"),d[1].build(e,"vec2")]:null,y=e.getVarFromNode(this);o=e.getPropertyName(y);const x=this.generateSnippet(e,i,c,h,p,g,m,f);e.addLineFlowCode(`${o} = ${x}`,this),n.snippet=x,n.propertyName=o}let a=o;const u=this.getNodeType(e);return e.needsToWorkingColorSpace(r)&&(a=tu(Su(a,u),r.colorSpace).setup(e).build(e,u)),e.format(a,u,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}uv(e){return console.warn("THREE.TextureNode: .uv() has been renamed. Use .sample() instead."),this.sample(e)}sample(e){const t=this.clone();return t.uvNode=Ri(e),t.referenceNode=this.getSelf(),Ri(t)}blur(e){const t=this.clone();return t.biasNode=Ri(e).mul(Pu(t)),t.referenceNode=this.getSelf(),Ri(t)}level(e){const t=this.clone();return t.levelNode=Ri(e),t.referenceNode=this.getSelf(),Ri(t)}size(e){return Fu(this,e)}bias(e){const t=this.clone();return t.biasNode=Ri(e),t.referenceNode=this.getSelf(),Ri(t)}compare(e){const t=this.clone();return t.compareNode=Ri(e),t.referenceNode=this.getSelf(),Ri(t)}grad(e,t){const r=this.clone();return r.gradNode=[Ri(e),Ri(t)],r.referenceNode=this.getSelf(),Ri(r)}depth(e){const t=this.clone();return t.depthNode=Ri(e),t.referenceNode=this.getSelf(),Ri(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix()}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e}}const Lu=wi(Iu),Du=(...e)=>Lu(...e).setSampler(!1);class Vu extends pn{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const Ou=(e,t,r)=>Ri(new Vu(e,t,r));class Gu extends Gs{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(),s=this.node.getPaddedType();return e.format(t,s,r)}}class ku extends Vu{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?Ss(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=Bs.RENDER,this.isArrayBufferNode=!0}getNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,super.setup(e)}element(e){return Ri(new Gu(this,Ri(e)))}}const zu=(e,t)=>Ri(new ku(e,t)),$u=gn(0,"uint").setGroup(ln("cameraIndex")).toVarying("v_cameraIndex"),Wu=gn("float").label("cameraNear").setGroup(cn).onRenderUpdate((({camera:e})=>e.near)),Hu=gn("float").label("cameraFar").setGroup(cn).onRenderUpdate((({camera:e})=>e.far)),ju=Bi((({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);t=zu(r).setGroup(cn).label("cameraProjectionMatrices").element($u).toVar("cameraProjectionMatrix")}else t=gn("mat4").label("cameraProjectionMatrix").setGroup(cn).onRenderUpdate((({camera:e})=>e.projectionMatrix));return t})).once()(),qu=gn("mat4").label("cameraProjectionMatrixInverse").setGroup(cn).onRenderUpdate((({camera:e})=>e.projectionMatrixInverse)),Xu=Bi((({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);t=zu(r).setGroup(cn).label("cameraViewMatrices").element($u).toVar("cameraViewMatrix")}else t=gn("mat4").label("cameraViewMatrix").setGroup(cn).onRenderUpdate((({camera:e})=>e.matrixWorldInverse));return t})).once()(),Ku=gn("mat4").label("cameraWorldMatrix").setGroup(cn).onRenderUpdate((({camera:e})=>e.matrixWorld)),Yu=gn("mat3").label("cameraNormalMatrix").setGroup(cn).onRenderUpdate((({camera:e})=>e.normalMatrix)),Qu=gn(new r).label("cameraPosition").setGroup(cn).onRenderUpdate((({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld)));class Zu extends Os{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=Bs.OBJECT,this._uniformNode=new pn(null)}getNodeType(){const e=this.scope;return e===Zu.WORLD_MATRIX?"mat4":e===Zu.POSITION||e===Zu.VIEW_POSITION||e===Zu.DIRECTION||e===Zu.SCALE?"vec3":void 0}update(e){const t=this.object3d,s=this._uniformNode,i=this.scope;if(i===Zu.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===Zu.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===Zu.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===Zu.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===Zu.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}}generate(e){const t=this.scope;return t===Zu.WORLD_MATRIX?this._uniformNode.nodeType="mat4":t!==Zu.POSITION&&t!==Zu.VIEW_POSITION&&t!==Zu.DIRECTION&&t!==Zu.SCALE||(this._uniformNode.nodeType="vec3"),this._uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}Zu.WORLD_MATRIX="worldMatrix",Zu.POSITION="position",Zu.SCALE="scale",Zu.VIEW_POSITION="viewPosition",Zu.DIRECTION="direction";const Ju=wi(Zu,Zu.DIRECTION),el=wi(Zu,Zu.WORLD_MATRIX),tl=wi(Zu,Zu.POSITION),rl=wi(Zu,Zu.SCALE),sl=wi(Zu,Zu.VIEW_POSITION);class il extends Zu{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const nl=Mi(il,il.DIRECTION),ol=Mi(il,il.WORLD_MATRIX),al=Mi(il,il.POSITION),ul=Mi(il,il.SCALE),ll=Mi(il,il.VIEW_POSITION),dl=gn(new n).onObjectUpdate((({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld))),cl=gn(new o).onObjectUpdate((({object:e},t)=>t.value.copy(e.matrixWorld).invert())),hl=Bi((e=>e.renderer.nodes.modelViewMatrix||pl)).once()().toVar("modelViewMatrix"),pl=Xu.mul(ol),gl=Bi((e=>(e.context.isHighPrecisionModelViewMatrix=!0,gn("mat4").onObjectUpdate((({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))))).once()().toVar("highpModelViewMatrix"),ml=Bi((e=>{const t=e.context.isHighPrecisionModelViewMatrix;return gn("mat3").onObjectUpdate((({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix))))})).once()().toVar("highpModelNormalViewMatrix"),fl=wu("position","vec3"),yl=fl.toVarying("positionLocal"),xl=fl.toVarying("positionPrevious"),bl=ol.mul(yl).xyz.toVarying("v_positionWorld").context({needsPositionReassign:!0}),Tl=yl.transformDirection(ol).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection").context({needsPositionReassign:!0}),_l=Bi((e=>e.context.setupPositionView()),"vec3").once()().toVarying("v_positionView").context({needsPositionReassign:!0}),vl=_l.negate().toVarying("v_positionViewDirection").normalize().toVar("positionViewDirection");class Nl extends Os{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){const{renderer:t,material:r}=e;return t.coordinateSystem===l&&r.side===_?"false":e.getFrontFacing()}}const Sl=Mi(Nl),Al=Di(Sl).mul(2).sub(1),Rl=wu("normal","vec3"),Cl=Bi((e=>!1===e.geometry.hasAttribute("normal")?(console.warn('TSL.NormalNode: Vertex attribute "normal" not found on geometry.'),Hi(0,1,0)):Rl),"vec3").once()().toVar("normalLocal"),El=_l.dFdx().cross(_l.dFdy()).normalize().toVar("normalFlat"),wl=Bi((e=>{let t;return t=!0===e.material.flatShading?El:Ha(Il(Cl),"v_normalView").normalize(),t}),"vec3").once()().toVar("normalView"),Ml=Ha(wl.transformDirection(Xu),"v_normalWorld").normalize().toVar("normalWorld"),Bl=Bi((e=>e.context.setupNormal().context({getUV:null})),"vec3").once()().mul(Al).toVar("transformedNormalView"),Fl=Bl.transformDirection(Xu).toVar("transformedNormalWorld"),Ul=Bi((e=>e.context.setupClearcoatNormal().context({getUV:null})),"vec3").once()().mul(Al).toVar("transformedClearcoatNormalView"),Pl=Bi((([e,t=ol])=>{const r=en(t),s=e.div(Hi(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2])));return r.mul(s).xyz})),Il=Bi((([e],t)=>{const r=t.renderer.nodes.modelNormalViewMatrix;if(null!==r)return r.transformDirection(e);const s=dl.mul(e);return Xu.transformDirection(s)})),Ll=gn(0).onReference((({material:e})=>e)).onRenderUpdate((({material:e})=>e.refractionRatio)),Dl=vl.negate().reflect(Bl),Vl=vl.negate().refract(Bl,Ll),Ol=Dl.transformDirection(Xu).toVar("reflectVector"),Gl=Vl.transformDirection(Xu).toVar("reflectVector");class kl extends Iu{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===v?Ol:e.mapping===N?Gl:(console.error('THREE.CubeTextureNode: Mapping "%s" not supported.',e.mapping),Hi(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return e.renderer.coordinateSystem!==d&&r.isRenderTargetTexture?t:Hi(t.x.negate(),t.yz)}generateUV(e,t){return t.build(e,"vec3")}}const zl=wi(kl);class $l extends Gs{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}}class Wl extends Os{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=Bs.OBJECT}element(e){return Ri(new $l(this,Ri(e)))}setGroup(e){return this.group=e,this}label(e){return this.name=e,this}setNodeType(e){let t=null;t=null!==this.count?Ou(null,e,this.count):Array.isArray(this.getValueFromReference())?zu(null,e):"texture"===e?Lu(null):"cubeTexture"===e?zl(null):gn(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.label(this.name),this.node=t.getSelf()}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const Hl=(e,t,r)=>Ri(new Wl(e,t,r)),jl=(e,t,r,s)=>Ri(new Wl(e,t,s,r));class ql extends Wl{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const Xl=(e,t,r=null)=>Ri(new ql(e,t,r)),Kl=Bi((e=>(!1===e.geometry.hasAttribute("tangent")&&e.geometry.computeTangents(),wu("tangent","vec4"))))(),Yl=Kl.xyz.toVar("tangentLocal"),Ql=hl.mul(Ki(Yl,0)).xyz.toVarying("v_tangentView").normalize().toVar("tangentView"),Zl=Ql.transformDirection(Xu).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),Jl=Ql.toVar("transformedTangentView"),ed=Jl.transformDirection(Xu).normalize().toVar("transformedTangentWorld"),td=e=>e.mul(Kl.w).xyz,rd=Ha(td(Rl.cross(Kl)),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),sd=Ha(td(Cl.cross(Yl)),"v_bitangentLocal").normalize().toVar("bitangentLocal"),id=Ha(td(wl.cross(Ql)),"v_bitangentView").normalize().toVar("bitangentView"),nd=Ha(td(Ml.cross(Zl)),"v_bitangentWorld").normalize().toVar("bitangentWorld"),od=td(Bl.cross(Jl)).normalize().toVar("transformedBitangentView"),ad=od.transformDirection(Xu).normalize().toVar("transformedBitangentWorld"),ud=en(Ql,id,wl),ld=vl.mul(ud),dd=(()=>{let e=Fn.cross(vl);return e=e.cross(Fn).normalize(),e=_a(e,Bl,Mn.mul(Tn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e})(),cd=Bi((e=>{const{eye_pos:t,surf_norm:r,mapN:s,uv:i}=e,n=t.dFdx(),o=t.dFdy(),a=i.dFdx(),u=i.dFdy(),l=r,d=o.cross(l),c=l.cross(n),h=d.mul(a.x).add(c.mul(u.x)),p=d.mul(a.y).add(c.mul(u.y)),g=h.dot(h).max(p.dot(p)),m=Al.mul(g.inverseSqrt());return Qn(h.mul(s.x,m),p.mul(s.y,m),l.mul(s.z)).normalize()}));class hd extends zs{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=S}setup(e){const{normalMapType:t,scaleNode:r}=this;let s=this.node.mul(2).sub(1);null!==r&&(s=Hi(s.xy.mul(r),s.z));let i=null;if(t===A)i=Il(s);else if(t===S){i=!0===e.hasGeometryAttribute("tangent")?ud.mul(s).normalize():cd({eye_pos:_l,surf_norm:wl,mapN:s,uv:Mu()})}return i}}const pd=wi(hd),gd=Bi((({textureNode:e,bumpScale:t})=>{const r=t=>e.cache().context({getUV:e=>t(e.uvNode||Mu()),forceUVContext:!0}),s=Di(r((e=>e)));return ki(Di(r((e=>e.add(e.dFdx())))).sub(s),Di(r((e=>e.add(e.dFdy())))).sub(s)).mul(t)})),md=Bi((e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,o=t.dFdy().normalize().cross(n),a=n.cross(i),u=i.dot(o).mul(Al),l=u.sign().mul(s.x.mul(o).add(s.y.mul(a)));return u.abs().mul(r).sub(l).normalize()}));class fd extends zs{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=gd({textureNode:this.textureNode,bumpScale:e});return md({surf_pos:_l,surf_norm:wl,dHdxy:t})}}const yd=wi(fd),xd=new Map;class bd extends Os{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=xd.get(e);return void 0===r&&(r=Xl(e,t),xd.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===bd.COLOR){const e=void 0!==t.color?this.getColor(r):Hi();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===bd.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===bd.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:Di(1);else if(r===bd.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===bd.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===bd.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===bd.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===bd.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===bd.NORMAL)t.normalMap?(s=pd(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType):s=t.bumpMap?yd(this.getTexture("bump").r,this.getFloat("bumpScale")):wl;else if(r===bd.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===bd.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===bd.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?pd(this.getTexture(r),this.getCache(r+"Scale","vec2")):wl;else if(r===bd.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===bd.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(.07,1)}else if(r===bd.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Ji(sc.x,sc.y,sc.y.negate(),sc.x).mul(e.rg.mul(2).sub(ki(1)).normalize().mul(e.b))}else s=sc;else if(r===bd.IRIDESCENCE_THICKNESS){const e=Hl("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=Hl("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===bd.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===bd.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===bd.IOR)s=this.getFloat(r);else if(r===bd.LIGHT_MAP)s=this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity"));else if(r===bd.AO)s=this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}bd.ALPHA_TEST="alphaTest",bd.COLOR="color",bd.OPACITY="opacity",bd.SHININESS="shininess",bd.SPECULAR="specular",bd.SPECULAR_STRENGTH="specularStrength",bd.SPECULAR_INTENSITY="specularIntensity",bd.SPECULAR_COLOR="specularColor",bd.REFLECTIVITY="reflectivity",bd.ROUGHNESS="roughness",bd.METALNESS="metalness",bd.NORMAL="normal",bd.CLEARCOAT="clearcoat",bd.CLEARCOAT_ROUGHNESS="clearcoatRoughness",bd.CLEARCOAT_NORMAL="clearcoatNormal",bd.EMISSIVE="emissive",bd.ROTATION="rotation",bd.SHEEN="sheen",bd.SHEEN_ROUGHNESS="sheenRoughness",bd.ANISOTROPY="anisotropy",bd.IRIDESCENCE="iridescence",bd.IRIDESCENCE_IOR="iridescenceIOR",bd.IRIDESCENCE_THICKNESS="iridescenceThickness",bd.IOR="ior",bd.TRANSMISSION="transmission",bd.THICKNESS="thickness",bd.ATTENUATION_DISTANCE="attenuationDistance",bd.ATTENUATION_COLOR="attenuationColor",bd.LINE_SCALE="scale",bd.LINE_DASH_SIZE="dashSize",bd.LINE_GAP_SIZE="gapSize",bd.LINE_WIDTH="linewidth",bd.LINE_DASH_OFFSET="dashOffset",bd.POINT_SIZE="size",bd.DISPERSION="dispersion",bd.LIGHT_MAP="light",bd.AO="ao";const Td=Mi(bd,bd.ALPHA_TEST),_d=Mi(bd,bd.COLOR),vd=Mi(bd,bd.SHININESS),Nd=Mi(bd,bd.EMISSIVE),Sd=Mi(bd,bd.OPACITY),Ad=Mi(bd,bd.SPECULAR),Rd=Mi(bd,bd.SPECULAR_INTENSITY),Cd=Mi(bd,bd.SPECULAR_COLOR),Ed=Mi(bd,bd.SPECULAR_STRENGTH),wd=Mi(bd,bd.REFLECTIVITY),Md=Mi(bd,bd.ROUGHNESS),Bd=Mi(bd,bd.METALNESS),Fd=Mi(bd,bd.NORMAL),Ud=Mi(bd,bd.CLEARCOAT),Pd=Mi(bd,bd.CLEARCOAT_ROUGHNESS),Id=Mi(bd,bd.CLEARCOAT_NORMAL),Ld=Mi(bd,bd.ROTATION),Dd=Mi(bd,bd.SHEEN),Vd=Mi(bd,bd.SHEEN_ROUGHNESS),Od=Mi(bd,bd.ANISOTROPY),Gd=Mi(bd,bd.IRIDESCENCE),kd=Mi(bd,bd.IRIDESCENCE_IOR),zd=Mi(bd,bd.IRIDESCENCE_THICKNESS),$d=Mi(bd,bd.TRANSMISSION),Wd=Mi(bd,bd.THICKNESS),Hd=Mi(bd,bd.IOR),jd=Mi(bd,bd.ATTENUATION_DISTANCE),qd=Mi(bd,bd.ATTENUATION_COLOR),Xd=Mi(bd,bd.LINE_SCALE),Kd=Mi(bd,bd.LINE_DASH_SIZE),Yd=Mi(bd,bd.LINE_GAP_SIZE),Qd=Mi(bd,bd.LINE_WIDTH),Zd=Mi(bd,bd.LINE_DASH_OFFSET),Jd=Mi(bd,bd.POINT_SIZE),ec=Mi(bd,bd.DISPERSION),tc=Mi(bd,bd.LIGHT_MAP),rc=Mi(bd,bd.AO),sc=gn(new t).onReference((function(e){return e.material})).onRenderUpdate((function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))})),ic=Bi((e=>e.context.setupModelViewProjection()),"vec4").once()().toVarying("v_modelViewProjection");class nc extends Os{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===nc.VERTEX)s=e.getVertexIndex();else if(r===nc.INSTANCE)s=e.getInstanceIndex();else if(r===nc.DRAW)s=e.getDrawIndex();else if(r===nc.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===nc.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==nc.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=Ha(this).build(e,t)}return i}}nc.VERTEX="vertex",nc.INSTANCE="instance",nc.SUBGROUP="subgroup",nc.INVOCATION_LOCAL="invocationLocal",nc.INVOCATION_SUBGROUP="invocationSubgroup",nc.DRAW="draw";const oc=Mi(nc,nc.VERTEX),ac=Mi(nc,nc.INSTANCE),uc=Mi(nc,nc.SUBGROUP),lc=Mi(nc,nc.INVOCATION_SUBGROUP),dc=Mi(nc,nc.INVOCATION_LOCAL),cc=Mi(nc,nc.DRAW);class hc extends Os{static get type(){return"InstanceNode"}constructor(e,t,r){super("void"),this.count=e,this.instanceMatrix=t,this.instanceColor=r,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=Bs.FRAME,this.buffer=null,this.bufferColor=null}setup(e){const{count:t,instanceMatrix:r,instanceColor:s}=this;let{instanceMatrixNode:i,instanceColorNode:n}=this;if(null===i){if(t<=1e3)i=Ou(r.array,"mat4",Math.max(t,1)).element(ac);else{const e=new R(r.array,16,1);this.buffer=e;const t=r.usage===f?pu:hu,s=[t(e,"vec4",16,0),t(e,"vec4",16,4),t(e,"vec4",16,8),t(e,"vec4",16,12)];i=tn(...s)}this.instanceMatrixNode=i}if(s&&null===n){const e=new C(s.array,3),t=s.usage===f?pu:hu;this.bufferColor=e,n=Hi(t(e,"vec3",3,0)),this.instanceColorNode=n}const o=i.mul(yl).xyz;if(yl.assign(o),e.hasGeometryAttribute("normal")){const e=Pl(Cl,i);Cl.assign(e)}null!==this.instanceColorNode&&yn("vec3","vInstanceColor").assign(this.instanceColorNode)}update(){this.instanceMatrix.usage!==f&&null!==this.buffer&&this.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMatrix.version),this.instanceColor&&this.instanceColor.usage!==f&&null!==this.bufferColor&&this.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceColor.version)}}const pc=wi(hc);class gc extends hc{static get type(){return"InstancedMeshNode"}constructor(e){const{count:t,instanceMatrix:r,instanceColor:s}=e;super(t,r,s),this.instancedMesh=e}}const mc=wi(gc);class fc extends Os{static get type(){return"BatchNode"}constructor(e){super("void"),this.batchMesh=e,this.batchingIdNode=null}setup(e){null===this.batchingIdNode&&(null===e.getDrawIndex()?this.batchingIdNode=ac:this.batchingIdNode=cc);const t=Bi((([e])=>{const t=Vi(Fu(Du(this.batchMesh._indirectTexture),0)),r=Vi(e).modInt(t),s=Vi(e).div(t);return Du(this.batchMesh._indirectTexture,zi(r,s)).x})).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),r=t(Vi(this.batchingIdNode)),s=this.batchMesh._matricesTexture,i=Fu(Du(s),0),n=Di(r).mul(4).toInt().toVar(),o=n.modInt(i),a=n.div(Vi(i)),u=tn(Du(s,zi(o,a)),Du(s,zi(o.add(1),a)),Du(s,zi(o.add(2),a)),Du(s,zi(o.add(3),a))),l=this.batchMesh._colorsTexture;if(null!==l){const e=Bi((([e])=>{const t=Fu(Du(l),0).x,r=e,s=r.modInt(t),i=r.div(t);return Du(l,zi(s,i)).rgb})).setLayout({name:"getBatchingColor",type:"vec3",inputs:[{name:"id",type:"int"}]}),t=e(r);yn("vec3","vBatchColor").assign(t)}const d=en(u);yl.assign(u.mul(yl));const c=Cl.div(Hi(d[0].dot(d[0]),d[1].dot(d[1]),d[2].dot(d[2]))),h=d.mul(c).xyz;Cl.assign(h),e.hasGeometryAttribute("tangent")&&Yl.mulAssign(d)}}const yc=wi(fc),xc=new WeakMap;class bc extends Os{static get type(){return"SkinningNode"}constructor(e,t=!1){let r,s,i;super("void"),this.skinnedMesh=e,this.useReference=t,this.updateType=Bs.OBJECT,this.skinIndexNode=wu("skinIndex","uvec4"),this.skinWeightNode=wu("skinWeight","vec4"),t?(r=Hl("bindMatrix","mat4"),s=Hl("bindMatrixInverse","mat4"),i=jl("skeleton.boneMatrices","mat4",e.skeleton.bones.length)):(r=gn(e.bindMatrix,"mat4"),s=gn(e.bindMatrixInverse,"mat4"),i=Ou(e.skeleton.boneMatrices,"mat4",e.skeleton.bones.length)),this.bindMatrixNode=r,this.bindMatrixInverseNode=s,this.boneMatricesNode=i,this.previousBoneMatricesNode=null}getSkinnedPosition(e=this.boneMatricesNode,t=yl){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,o=e.element(r.x),a=e.element(r.y),u=e.element(r.z),l=e.element(r.w),d=i.mul(t),c=Qn(o.mul(s.x).mul(d),a.mul(s.y).mul(d),u.mul(s.z).mul(d),l.mul(s.w).mul(d));return n.mul(c).xyz}getSkinnedNormal(e=this.boneMatricesNode,t=Cl){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,o=e.element(r.x),a=e.element(r.y),u=e.element(r.z),l=e.element(r.w);let d=Qn(s.x.mul(o),s.y.mul(a),s.z.mul(u),s.w.mul(l));return d=n.mul(d).mul(i),d.transformDirection(t).xyz}getPreviousSkinnedPosition(e){const t=e.object;return null===this.previousBoneMatricesNode&&(t.skeleton.previousBoneMatrices=new Float32Array(t.skeleton.boneMatrices),this.previousBoneMatricesNode=jl("skeleton.previousBoneMatrices","mat4",t.skeleton.bones.length)),this.getSkinnedPosition(this.previousBoneMatricesNode,xl)}needsPreviousBoneMatrices(e){const t=e.renderer.getMRT();return t&&t.has("velocity")||!0===Rs(e.object).useVelocity}setup(e){this.needsPreviousBoneMatrices(e)&&xl.assign(this.getPreviousSkinnedPosition(e));const t=this.getSkinnedPosition();if(yl.assign(t),e.hasGeometryAttribute("normal")){const t=this.getSkinnedNormal();Cl.assign(t),e.hasGeometryAttribute("tangent")&&Yl.assign(t)}}generate(e,t){if("void"!==t)return yl.build(e,t)}update(e){const t=(this.useReference?e.object:this.skinnedMesh).skeleton;xc.get(t)!==e.frameId&&(xc.set(t,e.frameId),null!==this.previousBoneMatricesNode&&t.previousBoneMatrices.set(t.boneMatrices),t.update())}}const Tc=e=>Ri(new bc(e,!0));class _c extends Os{static get type(){return"LoopNode"}constructor(e=[]){super(),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=Su(s,i)}const s=e.addStack();return t.returnsNode=this.params[this.params.length-1](r,s,e),t.stackNode=s,e.removeStack(),t}getNodeType(e){const{returnsNode:t}=this.getProperties(e);return t?t.getNodeType(e):"void"}setup(e){this.getProperties(e)}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let t=0,s=r.length-1;t<s;t++){const s=r[t];let i=null,n=null,o=null,a=null,u=null,l=null;s.isNode?(a="int",o=this.getVarName(t),i="0",n=s.build(e,a),u="<"):(a=s.type||"int",o=s.name||this.getVarName(t),i=s.start,n=s.end,u=s.condition,l=s.update,"number"==typeof i?i=e.generateConst(a,i):i&&i.isNode&&(i=i.build(e,a)),"number"==typeof n?n=e.generateConst(a,n):n&&n.isNode&&(n=n.build(e,a)),void 0!==i&&void 0===n?(i+=" - 1",n="0",u=">="):void 0!==n&&void 0===i&&(i="0",u="<"),void 0===u&&(u=Number(i)>Number(n)?">=":"<"));const d={start:i,end:n,condition:u},c=d.start,h=d.end;let p="",g="",m="";l||(l="int"===a||"uint"===a?u.includes("<")?"++":"--":u.includes("<")?"+= 1.":"-= 1."),p+=e.getVar(a,o)+" = "+c,g+=o+" "+u+" "+h,m+=o+" "+l;const f=`for ( ${p}; ${g}; ${m} )`;e.addFlowCode((0===t?"\n":"")+e.tab+f+" {\n\n").addFlowTab()}const i=s.build(e,"void"),n=t.returnsNode?t.returnsNode.build(e):"";e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();return e.addFlowTab(),n}}const vc=(...e)=>Ri(new _c(Ei(e,"int"))).append(),Nc=()=>Su("break").append(),Sc=new WeakMap,Ac=new s,Rc=Bi((({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const o=Vi(oc).mul(r).add(n),a=o.div(s),u=o.sub(a.mul(s));return Du(e,zi(u,a)).depth(i).mul(t)}));class Cc extends Os{static get type(){return"MorphNode"}constructor(e){super("void"),this.mesh=e,this.morphBaseInfluence=gn(1),this.updateType=Bs.OBJECT}setup(e){const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,o=void 0!==n?n.length:0,{texture:a,stride:u,size:l}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,o=void 0!==n?n.length:0;let a=Sc.get(e);if(void 0===a||a.count!==o){void 0!==a&&a.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*o),f=new E(m,h,p,o);f.type=w,f.needsUpdate=!0;const y=4*c;for(let b=0;b<o;b++){const T=u[b],_=l[b],v=d[b],N=h*p*4*b;for(let S=0;S<T.count;S++){const A=S*y;!0===r&&(Ac.fromBufferAttribute(T,S),m[N+A+0]=Ac.x,m[N+A+1]=Ac.y,m[N+A+2]=Ac.z,m[N+A+3]=0),!0===s&&(Ac.fromBufferAttribute(_,S),m[N+A+4]=Ac.x,m[N+A+5]=Ac.y,m[N+A+6]=Ac.z,m[N+A+7]=0),!0===i&&(Ac.fromBufferAttribute(v,S),m[N+A+8]=Ac.x,m[N+A+9]=Ac.y,m[N+A+10]=Ac.z,m[N+A+11]=4===v.itemSize?Ac.w:1)}}function x(){f.dispose(),Sc.delete(e),e.removeEventListener("dispose",x)}a={count:o,texture:f,stride:c,size:new t(h,p)},Sc.set(e,a),e.addEventListener("dispose",x)}return a}(r);!0===s&&yl.mulAssign(this.morphBaseInfluence),!0===i&&Cl.mulAssign(this.morphBaseInfluence);const d=Vi(l.width);vc(o,(({i:e})=>{const t=Di(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?t.assign(Du(this.mesh.morphTexture,zi(Vi(e).add(1),Vi(ac))).r):t.assign(Hl("morphTargetInfluences","float").element(e).toVar()),!0===s&&yl.addAssign(Rc({bufferMap:a,influence:t,stride:u,width:d,depth:e,offset:Vi(0)})),!0===i&&Cl.addAssign(Rc({bufferMap:a,influence:t,stride:u,width:d,depth:e,offset:Vi(1)}))}))}update(){const e=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?e.value=1:e.value=1-this.mesh.morphTargetInfluences.reduce(((e,t)=>e+t),0)}}const Ec=wi(Cc);class wc extends Os{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class Mc extends wc{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class Bc extends La{static get type(){return"LightingContextNode"}constructor(e,t=null,r=null,s=null){super(e),this.lightingModel=t,this.backdropNode=r,this.backdropAlphaNode=s,this._value=null}getContext(){const{backdropNode:e,backdropAlphaNode:t}=this,r={directDiffuse:Hi().toVar("directDiffuse"),directSpecular:Hi().toVar("directSpecular"),indirectDiffuse:Hi().toVar("indirectDiffuse"),indirectSpecular:Hi().toVar("indirectSpecular")};return{radiance:Hi().toVar("radiance"),irradiance:Hi().toVar("irradiance"),iblIrradiance:Hi().toVar("iblIrradiance"),ambientOcclusion:Di(1).toVar("ambientOcclusion"),reflectedLight:r,backdrop:e,backdropAlpha:t}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const Fc=wi(Bc);class Uc extends wc{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}let Pc,Ic;class Lc extends Os{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this.isViewportNode=!0}getNodeType(){return this.scope===Lc.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=Bs.NONE;return this.scope!==Lc.SIZE&&this.scope!==Lc.VIEWPORT||(e=Bs.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===Lc.VIEWPORT?null!==t?Ic.copy(t.viewport):(e.getViewport(Ic),Ic.multiplyScalar(e.getPixelRatio())):null!==t?(Pc.width=t.width,Pc.height=t.height):e.getDrawingBufferSize(Pc)}setup(){const e=this.scope;let r=null;return r=e===Lc.SIZE?gn(Pc||(Pc=new t)):e===Lc.VIEWPORT?gn(Ic||(Ic=new s)):ki(Oc.div(Vc)),r}generate(e){if(this.scope===Lc.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(Vc).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}Lc.COORDINATE="coordinate",Lc.VIEWPORT="viewport",Lc.SIZE="size",Lc.UV="uv";const Dc=Mi(Lc,Lc.UV),Vc=Mi(Lc,Lc.SIZE),Oc=Mi(Lc,Lc.COORDINATE),Gc=Mi(Lc,Lc.VIEWPORT),kc=Gc.zw,zc=Oc.sub(Gc.xy),$c=zc.div(kc),Wc=Bi((()=>(console.warn('TSL.ViewportNode: "viewportResolution" is deprecated. Use "screenSize" instead.'),Vc)),"vec2").once()(),Hc=Bi((()=>(console.warn('TSL.ViewportNode: "viewportTopLeft" is deprecated. Use "screenUV" instead.'),Dc)),"vec2").once()(),jc=Bi((()=>(console.warn('TSL.ViewportNode: "viewportBottomLeft" is deprecated. Use "screenUV.flipY()" instead.'),Dc.flipY())),"vec2").once()(),qc=new t;class Xc extends Iu{static get type(){return"ViewportTextureNode"}constructor(e=Dc,t=null,r=null){null===r&&((r=new M).minFilter=B),super(r,e,t),this.generateMipmaps=!1,this.isOutputTextureNode=!0,this.updateBeforeType=Bs.FRAME}updateBefore(e){const t=e.renderer;t.getDrawingBufferSize(qc);const r=this.value;r.image.width===qc.width&&r.image.height===qc.height||(r.image.width=qc.width,r.image.height=qc.height,r.needsUpdate=!0);const s=r.generateMipmaps;r.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(r),r.generateMipmaps=s}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const Kc=wi(Xc),Yc=wi(Xc,null,null,{generateMipmaps:!0});let Qc=null;class Zc extends Xc{static get type(){return"ViewportDepthTextureNode"}constructor(e=Dc,t=null){null===Qc&&(Qc=new F),super(e,t,Qc)}}const Jc=wi(Zc);class eh extends Os{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===eh.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===eh.DEPTH_BASE)null!==r&&(s=nh().assign(r));else if(t===eh.DEPTH)s=e.isPerspectiveCamera?rh(_l.z,Wu,Hu):th(_l.z,Wu,Hu);else if(t===eh.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=sh(r,Wu,Hu);s=th(e,Wu,Hu)}else s=r;else s=th(_l.z,Wu,Hu);return s}}eh.DEPTH_BASE="depthBase",eh.DEPTH="depth",eh.LINEAR_DEPTH="linearDepth";const th=(e,t,r)=>e.add(t).div(t.sub(r)),rh=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),sh=(e,t,r)=>t.mul(r).div(r.sub(t).mul(e).sub(r)),ih=(e,t,r)=>{t=t.max(1e-6).toVar();const s=Fo(e.negate().div(t)),i=Fo(r.div(t));return s.div(i)},nh=wi(eh,eh.DEPTH_BASE),oh=Mi(eh,eh.DEPTH),ah=wi(eh,eh.LINEAR_DEPTH),uh=ah(Jc());oh.assign=e=>nh(e);const lh=wi(class extends Os{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}});class dh extends Os{static get type(){return"ClippingNode"}constructor(e=dh.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.material.hardwareClipping,this.scope===dh.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===dh.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return Bi((()=>{const r=Di().toVar("distanceToPlane"),s=Di().toVar("distanceToGradient"),i=Di(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=zu(t);vc(n,(({i:t})=>{const n=e.element(t);r.assign(_l.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(Aa(s.negate(),s,r))}))}const o=e.length;if(o>0){const t=zu(e),n=Di(1).toVar("intersectionClipOpacity");vc(o,(({i:e})=>{const i=t.element(e);r.assign(_l.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(Aa(s.negate(),s,r).oneMinus())})),i.mulAssign(n.oneMinus())}xn.a.mulAssign(i),xn.a.equal(0).discard()}))()}setupDefault(e,t){return Bi((()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=zu(t);vc(r,(({i:t})=>{const r=e.element(t);_l.dot(r.xyz).greaterThan(r.w).discard()}))}const s=e.length;if(s>0){const t=zu(e),r=Gi(!0).toVar("clipped");vc(s,(({i:e})=>{const s=t.element(e);r.assign(_l.dot(s.xyz).greaterThan(s.w).and(r))})),r.discard()}}))()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),Bi((()=>{const s=zu(e),i=lh(t.getClipDistance());vc(r,(({i:e})=>{const t=s.element(e),r=_l.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)}))}))()}}dh.ALPHA_TO_COVERAGE="alphaToCoverage",dh.DEFAULT="default",dh.HARDWARE="hardware";const ch=Bi((([e])=>Vo(Jn(1e4,Oo(Jn(17,e.x).add(Jn(.1,e.y)))).mul(Qn(.1,Ho(Oo(Jn(13,e.y).add(e.x)))))))),hh=Bi((([e])=>ch(ki(ch(e.xy),e.z)))),ph=Bi((([e])=>{const t=oa(qo(Yo(e.xyz)),qo(Qo(e.xyz))),r=Di(1).div(Di(.05).mul(t)).toVar("pixScale"),s=ki(Mo(Io(Fo(r))),Mo(Lo(Fo(r)))),i=ki(hh(Io(s.x.mul(e.xyz))),hh(Io(s.y.mul(e.xyz)))),n=Vo(Fo(r)),o=Qn(Jn(n.oneMinus(),i.x),Jn(n,i.y)),a=na(n,n.oneMinus()),u=Hi(o.mul(o).div(Jn(2,a).mul(Zn(1,a))),o.sub(Jn(.5,a)).div(Zn(1,a)),Zn(1,Zn(1,o).mul(Zn(1,o)).div(Jn(2,a).mul(Zn(1,a))))),l=o.lessThan(a.oneMinus()).select(o.lessThan(a).select(u.x,u.y),u.z);return va(l,1e-6,1)})).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class gh extends U{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.hardwareClipping=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.shadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null}customProgramCacheKey(){return this.type+ys(this)}build(e){this.setup(e)}setupObserver(e){return new hs(e)}setup(e){e.context.setupNormal=()=>this.setupNormal(e),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();e.addStack();const s=this.vertexNode||this.setupVertex(e);let i;e.stack.outputNode=s,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const n=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupVariants(e);const s=this.setupLighting(e);null!==n&&e.stack.add(n);const o=Ki(s,xn.a).max(0);if(i=this.setupOutput(e,o),Ln.assign(i),null!==this.outputNode&&(i=this.outputNode),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(i=e,null!==r&&(i=e.merge(r))):null!==r&&(i=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=Ki(t)),i=this.setupOutput(e,t)}e.stack.outputNode=i,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.samples;this.alphaToCoverage&&t>1?s=Ri(new dh(dh.ALPHA_TO_COVERAGE)):e.stack.add(Ri(new dh))}return s}setupHardwareClipping(e){if(this.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.add(Ri(new dh(dh.HARDWARE))),this.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?ih(_l.z,Wu,Hu):th(_l.z,Wu,Hu))}null!==s&&oh.assign(s).append()}setupPositionView(){return hl.mul(yl).xyz}setupModelViewProjection(){return ju.mul(_l)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.vertex=e.removeStack(),ic}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&Ec(t).append(),!0===t.isSkinnedMesh&&Tc(t).append(),this.displacementMap){const e=Xl("displacementMap","texture"),t=Xl("displacementScale","float"),r=Xl("displacementBias","float");yl.addAssign(Cl.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&yc(t).append(),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&mc(t).append(),null!==this.positionNode&&yl.assign(this.positionNode.context({isPositionNodeInput:!0})),yl}setupDiffuseColor({object:e,geometry:t}){let r=this.colorNode?Ki(this.colorNode):_d;if(!0===this.vertexColors&&t.hasAttribute("color")&&(r=Ki(r.xyz.mul(wu("color","vec3")),r.a)),e.instanceColor){r=yn("vec3","vInstanceColor").mul(r)}if(e.isBatchedMesh&&e._colorsTexture){r=yn("vec3","vBatchColor").mul(r)}xn.assign(r);const s=this.opacityNode?Di(this.opacityNode):Sd;if(xn.a.assign(xn.a.mul(s)),null!==this.alphaTestNode||this.alphaTest>0){const e=null!==this.alphaTestNode?Di(this.alphaTestNode):Td;xn.a.lessThanEqual(e).discard()}!0===this.alphaHash&&xn.a.lessThan(ph(yl)).discard(),!1===this.transparent&&this.blending===P&&!1===this.alphaToCoverage&&xn.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?Hi(0):xn.rgb}setupNormal(){return this.normalNode?Hi(this.normalNode):Fd}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?Xl("envMap","cubeTexture"):Xl("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Uc(tc)),t}setupLights(e){const t=[],r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);if(s&&s.isLightingNode&&t.push(s),null!==this.aoNode||e.material.aoMap){const e=null!==this.aoNode?this.aoNode:rc;t.push(new Mc(e))}let i=this.lightsNode||e.lightsNode;return t.length>0&&(i=e.renderer.lighting.createNode([...i.getLights(),...t])),i}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode?this.setupLights(e):null;let o=this.setupOutgoingLight(e);if(n&&n.getScope().hasLights){const t=this.setupLightingModel(e);o=Fc(n,t,r,s)}else null!==r&&(o=Hi(null!==s?_a(o,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(bn.assign(Hi(i||Nd)),o=o.add(bn)),o}setupOutput(e,t){if(!0===this.fog){const r=e.fogNode;r&&(Ln.assign(t),t=Ki(r))}return t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=U.prototype.toJSON.call(this,e),s=xs(this);r.inputNodes={};for(const{property:t,childNode:i}of s)r.inputNodes[t]=i.toJSON(e).uuid;function i(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=i(e.textures),s=i(e.images),n=i(e.nodes);t.length>0&&(r.textures=t),s.length>0&&(r.images=s),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.shadowPositionNode=e.shadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,super.copy(e)}}const mh=new I;class fh extends gh{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(mh),this.setValues(e)}}const yh=new L;class xh extends gh{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(yh),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?Di(this.offsetNode):Zd,t=this.dashScaleNode?Di(this.dashScaleNode):Xd,r=this.dashSizeNode?Di(this.dashSizeNode):Kd,s=this.gapSizeNode?Di(this.gapSizeNode):Yd;Dn.assign(r),Vn.assign(s);const i=Ha(wu("lineDistance").mul(t));(e?i.add(e):i).mod(Dn.add(Vn)).greaterThan(Dn).discard()}}let bh=null;class Th extends Xc{static get type(){return"ViewportSharedTextureNode"}constructor(e=Dc,t=null){null===bh&&(bh=new M),super(e,t,bh)}updateReference(){return this}}const _h=wi(Th),vh=new L;class Nh extends gh{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(vh),this.useColor=e.vertexColors,this.dashOffset=0,this.lineWidth=1,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=D,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setup(e){const{renderer:t}=e,r=this._useAlphaToCoverage,s=this.useColor,i=this._useDash,n=this._useWorldUnits,o=Bi((({start:e,end:t})=>{const r=ju.element(2).element(2),s=ju.element(3).element(2).mul(-.5).div(r).sub(e.z).div(t.z.sub(e.z));return Ki(_a(e.xyz,t.xyz,s),t.w)})).setLayout({name:"trimSegment",type:"vec4",inputs:[{name:"start",type:"vec4"},{name:"end",type:"vec4"}]});this.vertexNode=Bi((()=>{const e=wu("instanceStart"),t=wu("instanceEnd"),r=Ki(hl.mul(Ki(e,1))).toVar("start"),s=Ki(hl.mul(Ki(t,1))).toVar("end");if(i){const e=this.dashScaleNode?Di(this.dashScaleNode):Xd,t=this.offsetNode?Di(this.offsetNode):Zd,r=wu("instanceDistanceStart"),s=wu("instanceDistanceEnd");let i=fl.y.lessThan(.5).select(e.mul(r),e.mul(s));i=i.add(t),yn("float","lineDistance").assign(i)}n&&(yn("vec3","worldStart").assign(r.xyz),yn("vec3","worldEnd").assign(s.xyz));const a=Gc.z.div(Gc.w),u=ju.element(2).element(3).equal(-1);Pi(u,(()=>{Pi(r.z.lessThan(0).and(s.z.greaterThan(0)),(()=>{s.assign(o({start:r,end:s}))})).ElseIf(s.z.lessThan(0).and(r.z.greaterThanEqual(0)),(()=>{r.assign(o({start:s,end:r}))}))}));const l=ju.mul(r),d=ju.mul(s),c=l.xyz.div(l.w),h=d.xyz.div(d.w),p=h.xy.sub(c.xy).toVar();p.x.assign(p.x.mul(a)),p.assign(p.normalize());const g=Ki().toVar();if(n){const e=s.xyz.sub(r.xyz).normalize(),t=_a(r.xyz,s.xyz,.5).normalize(),n=e.cross(t).normalize(),o=e.cross(n),a=yn("vec4","worldPos");a.assign(fl.y.lessThan(.5).select(r,s));const u=Qd.mul(.5);a.addAssign(Ki(fl.x.lessThan(0).select(n.mul(u),n.mul(u).negate()),0)),i||(a.addAssign(Ki(fl.y.lessThan(.5).select(e.mul(u).negate(),e.mul(u)),0)),a.addAssign(Ki(o.mul(u),0)),Pi(fl.y.greaterThan(1).or(fl.y.lessThan(0)),(()=>{a.subAssign(Ki(o.mul(2).mul(u),0))}))),g.assign(ju.mul(a));const l=Hi().toVar();l.assign(fl.y.lessThan(.5).select(c,h)),g.z.assign(l.z.mul(g.w))}else{const e=ki(p.y,p.x.negate()).toVar("offset");p.x.assign(p.x.div(a)),e.x.assign(e.x.div(a)),e.assign(fl.x.lessThan(0).select(e.negate(),e)),Pi(fl.y.lessThan(0),(()=>{e.assign(e.sub(p))})).ElseIf(fl.y.greaterThan(1),(()=>{e.assign(e.add(p))})),e.assign(e.mul(Qd)),e.assign(e.div(Gc.w)),g.assign(fl.y.lessThan(.5).select(l,d)),e.assign(e.mul(g.w)),g.assign(g.add(Ki(e,0,0)))}return g}))();const a=Bi((({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),o=t.sub(e),a=i.dot(n),u=n.dot(o),l=i.dot(o),d=n.dot(n),c=o.dot(o).mul(d).sub(u.mul(u)),h=a.mul(u).sub(l.mul(d)).div(c).clamp(),p=a.add(u.mul(h)).div(d).clamp();return ki(h,p)}));if(this.colorNode=Bi((()=>{const e=Mu();if(i){const t=this.dashSizeNode?Di(this.dashSizeNode):Kd,r=this.gapSizeNode?Di(this.gapSizeNode):Yd;Dn.assign(t),Vn.assign(r);const s=yn("float","lineDistance");e.y.lessThan(-1).or(e.y.greaterThan(1)).discard(),s.mod(Dn.add(Vn)).greaterThan(Dn).discard()}const o=Di(1).toVar("alpha");if(n){const e=yn("vec3","worldStart"),s=yn("vec3","worldEnd"),n=yn("vec4","worldPos").xyz.normalize().mul(1e5),u=s.sub(e),l=a({p1:e,p2:s,p3:Hi(0,0,0),p4:n}),d=e.add(u.mul(l.x)),c=n.mul(l.y),h=d.sub(c).length().div(Qd);if(!i)if(r&&t.samples>1){const e=h.fwidth();o.assign(Aa(e.negate().add(.5),e.add(.5),h).oneMinus())}else h.greaterThan(.5).discard()}else if(r&&t.samples>1){const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1)),s=t.mul(t).add(r.mul(r)),i=Di(s.fwidth()).toVar("dlen");Pi(e.y.abs().greaterThan(1),(()=>{o.assign(Aa(i.oneMinus(),i.add(1),s).oneMinus())}))}else Pi(e.y.abs().greaterThan(1),(()=>{const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1));t.mul(t).add(r.mul(r)).greaterThan(1).discard()}));let u;if(this.lineColorNode)u=this.lineColorNode;else if(s){const e=wu("instanceColorStart"),t=wu("instanceColorEnd");u=fl.y.lessThan(.5).select(e,t).mul(_d)}else u=_d;return Ki(u,o)}))(),this.transparent){const e=this.opacityNode?Di(this.opacityNode):Sd;this.outputNode=Ki(this.colorNode.rgb.mul(e).add(_h().rgb.mul(e.oneMinus())),this.colorNode.a)}super.setup(e)}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const Sh=e=>Ri(e).mul(.5).add(.5),Ah=new V;class Rh extends gh{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Ah),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?Di(this.opacityNode):Sd;xn.assign(Ki(Sh(Bl),e))}}class Ch extends zs{static get type(){return"EquirectUVNode"}constructor(e=Tl){super("vec2"),this.dirNode=e}setup(){const e=this.dirNode,t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return ki(t,r)}}const Eh=wi(Ch);class wh extends O{constructor(e=1,t={}){super(e,t),this.isCubeRenderTarget=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new G(5,5,5),n=Eh(Tl),o=new gh;o.colorNode=Lu(t,n,0),o.side=_,o.blending=D;const a=new k(i,o),u=new z;u.add(a),t.minFilter===B&&(t.minFilter=$);const l=new W(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.currentGenerateMipmaps=s,a.geometry.dispose(),a.material.dispose(),this}}const Mh=new WeakMap;class Bh extends zs{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=zl();const t=new H;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=Bs.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===j||r===q){if(Mh.has(e)){const t=Mh.get(e);Uh(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new wh(r.height);s.fromEquirectangularTexture(t,e),Uh(s.texture,e.mapping),this._cubeTexture=s.texture,Mh.set(e,s.texture),e.addEventListener("dispose",Fh)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function Fh(e){const t=e.target;t.removeEventListener("dispose",Fh);const r=Mh.get(t);void 0!==r&&(Mh.delete(t),r.dispose())}function Uh(e,t){t===j?e.mapping=v:t===q&&(e.mapping=N)}const Ph=wi(Bh);class Ih extends wc{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=Ph(this.envNode)}}class Lh extends wc{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=Di(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class Dh{start(){}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class Vh extends Dh{constructor(){super()}indirect(e,t,r){const s=e.ambientOcclusion,i=e.reflectedLight,n=r.context.irradianceLightMap;i.indirectDiffuse.assign(Ki(0)),n?i.indirectDiffuse.addAssign(n):i.indirectDiffuse.addAssign(Ki(1,1,1,0)),i.indirectDiffuse.mulAssign(s),i.indirectDiffuse.mulAssign(xn.rgb)}finish(e,t,r){const s=r.material,i=e.outgoingLight,n=r.context.environment;if(n)switch(s.combine){case Y:i.rgb.assign(_a(i.rgb,i.rgb.mul(n.rgb),Ed.mul(wd)));break;case K:i.rgb.assign(_a(i.rgb,n.rgb,Ed.mul(wd)));break;case X:i.rgb.addAssign(n.rgb.mul(Ed.mul(wd)));break;default:console.warn("THREE.BasicLightingModel: Unsupported .combine value:",s.combine)}}}const Oh=new Q;class Gh extends gh{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Oh),this.setValues(e)}setupNormal(){return wl}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Ih(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Lh(tc)),t}setupOutgoingLight(){return xn.rgb}setupLightingModel(){return new Vh}}const kh=Bi((({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))})),zh=Bi((e=>e.diffuseColor.mul(1/Math.PI))),$h=Bi((({dotNH:e})=>In.mul(Di(.5)).add(1).mul(Di(1/Math.PI)).mul(e.pow(In)))),Wh=Bi((({lightDirection:e})=>{const t=e.add(vl).normalize(),r=Bl.dot(t).clamp(),s=vl.dot(t).clamp(),i=kh({f0:Un,f90:1,dotVH:s}),n=Di(.25),o=$h({dotNH:r});return i.mul(n).mul(o)}));class Hh extends Vh{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Bl.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(zh({diffuseColor:xn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(Wh({lightDirection:e})).mul(Ed))}indirect({ambientOcclusion:e,irradiance:t,reflectedLight:r}){r.indirectDiffuse.addAssign(t.mul(zh({diffuseColor:xn}))),r.indirectDiffuse.mulAssign(e)}}const jh=new Z;class qh extends gh{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(jh),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Ih(t):null}setupLightingModel(){return new Hh(!1)}}const Xh=new J;class Kh extends gh{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(Xh),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Ih(t):null}setupLightingModel(){return new Hh}setupVariants(){const e=(this.shininessNode?Di(this.shininessNode):vd).max(1e-4);In.assign(e);const t=this.specularNode||Ad;Un.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const Yh=Bi((e=>{if(!1===e.geometry.hasAttribute("normal"))return Di(0);const t=wl.dFdx().abs().max(wl.dFdy().abs());return t.x.max(t.y).max(t.z)})),Qh=Bi((e=>{const{roughness:t}=e,r=Yh();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s})),Zh=Bi((({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return eo(.5,i.add(n).max(_o))})).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),Jh=Bi((({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:o,dotNL:a})=>{const u=a.mul(Hi(e.mul(r),t.mul(s),o).length()),l=o.mul(Hi(e.mul(i),t.mul(n),a).length());return eo(.5,u.add(l)).saturate()})).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),ep=Bi((({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)})).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),tp=Di(1/Math.PI),rp=Bi((({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),o=Hi(t.mul(s),e.mul(i),n.mul(r)),a=o.dot(o),u=n.div(a);return tp.mul(n.mul(u.pow2()))})).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),sp=Bi((e=>{const{lightDirection:t,f0:r,f90:s,roughness:i,f:n,USE_IRIDESCENCE:o,USE_ANISOTROPY:a}=e,u=e.normalView||Bl,l=i.pow2(),d=t.add(vl).normalize(),c=u.dot(t).clamp(),h=u.dot(vl).clamp(),p=u.dot(d).clamp(),g=vl.dot(d).clamp();let m,f,y=kh({f0:r,f90:s,dotVH:g});if(Ni(o)&&(y=Rn.mix(y,n)),Ni(a)){const e=Bn.dot(t),r=Bn.dot(vl),s=Bn.dot(d),i=Fn.dot(t),n=Fn.dot(vl),o=Fn.dot(d);m=Jh({alphaT:wn,alphaB:l,dotTV:r,dotBV:n,dotTL:e,dotBL:i,dotNV:h,dotNL:c}),f=rp({alphaT:wn,alphaB:l,dotNH:p,dotTH:s,dotBH:o})}else m=Zh({alpha:l,dotNL:c,dotNV:h}),f=ep({alpha:l,dotNH:p});return y.mul(m).mul(f)})),ip=Bi((({roughness:e,dotNV:t})=>{const r=Ki(-1,-.0275,-.572,.022),s=Ki(1,.0425,1.04,-.04),i=e.mul(r).add(s),n=i.x.mul(i.x).min(t.mul(-9.28).exp2()).mul(i.x).add(i.y);return ki(-1.04,1.04).mul(n).add(i.zw)})).setLayout({name:"DFGApprox",type:"vec2",inputs:[{name:"roughness",type:"float"},{name:"dotNV",type:"vec3"}]}),np=Bi((e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=ip({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))})),op=Bi((({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(Hi(t).mul(n)).div(n.oneMinus())})).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),ap=Bi((({roughness:e,dotNH:t})=>{const r=e.pow2(),s=Di(1).div(r),i=t.pow2().oneMinus().max(.0078125);return Di(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)})).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),up=Bi((({dotNV:e,dotNL:t})=>Di(1).div(Di(4).mul(t.add(e).sub(t.mul(e)))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),lp=Bi((({lightDirection:e})=>{const t=e.add(vl).normalize(),r=Bl.dot(e).clamp(),s=Bl.dot(vl).clamp(),i=Bl.dot(t).clamp(),n=ap({roughness:An,dotNH:i}),o=up({dotNV:s,dotNL:r});return Sn.mul(n).mul(o)})),dp=Bi((({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=ki(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i})).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),cp=Bi((({f:e})=>{const t=e.length();return oa(t.mul(t).add(e.z).div(t.add(1)),0)})).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),hp=Bi((({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),o=i.div(n),a=r.greaterThan(0).select(o,oa(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(o));return e.cross(t).mul(a)})).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),pp=Bi((({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:o,p3:a})=>{const u=n.sub(i).toVar(),l=a.sub(i).toVar(),d=u.cross(l),c=Hi().toVar();return Pi(d.dot(r.sub(i)).greaterThanEqual(0),(()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(en(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(o.sub(r)).normalize().toVar(),m=d.mul(a.sub(r)).normalize().toVar(),f=Hi(0).toVar();f.addAssign(hp({v1:h,v2:p})),f.addAssign(hp({v1:p,v2:g})),f.addAssign(hp({v1:g,v2:m})),f.addAssign(hp({v1:m,v2:h})),c.assign(Hi(cp({f:f})))})),c})).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),gp=1/6,mp=e=>Jn(gp,Jn(e,Jn(e,e.negate().add(3)).sub(3)).add(1)),fp=e=>Jn(gp,Jn(e,Jn(e,Jn(3,e).sub(6))).add(4)),yp=e=>Jn(gp,Jn(e,Jn(e,Jn(-3,e).add(3)).add(3)).add(1)),xp=e=>Jn(gp,ga(e,3)),bp=e=>mp(e).add(fp(e)),Tp=e=>yp(e).add(xp(e)),_p=e=>Qn(-1,fp(e).div(mp(e).add(fp(e)))),vp=e=>Qn(1,xp(e).div(yp(e).add(xp(e)))),Np=(e,t,r)=>{const s=e.uvNode,i=Jn(s,t.zw).add(.5),n=Io(i),o=Vo(i),a=bp(o.x),u=Tp(o.x),l=_p(o.x),d=vp(o.x),c=_p(o.y),h=vp(o.y),p=ki(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=ki(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=ki(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=ki(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=bp(o.y).mul(Qn(a.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),x=Tp(o.y).mul(Qn(a.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(x)},Sp=Bi((([e,t=Di(3)])=>{const r=ki(e.size(Vi(t))),s=ki(e.size(Vi(t.add(1)))),i=eo(1,r),n=eo(1,s),o=Np(e,Ki(i,r),Io(t)),a=Np(e,Ki(n,s),Lo(t));return Vo(t).mix(o,a)})),Ap=Bi((([e,t,r,s,i])=>{const n=Hi(Sa(t.negate(),Do(e),eo(1,s))),o=Hi(qo(i[0].xyz),qo(i[1].xyz),qo(i[2].xyz));return Do(n).mul(r.mul(o))})).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),Rp=Bi((([e,t])=>e.mul(va(t.mul(2).sub(2),0,1)))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),Cp=Yc(),Ep=Yc(),wp=Bi((([e,t,r],{material:s})=>{const i=(s.side===_?Cp:Ep).sample(e),n=Fo(Vc.x).mul(Rp(t,r));return Sp(i,n)})),Mp=Bi((([e,t,r])=>(Pi(r.notEqual(0),(()=>{const s=Bo(t).negate().div(r);return wo(s.negate().mul(e))})),Hi(1)))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),Bp=Bi((([e,t,r,s,i,n,o,a,u,l,d,c,h,p,g])=>{let m,f;if(g){m=Ki().toVar(),f=Hi().toVar();const i=d.sub(1).mul(g.mul(.025)),n=Hi(d.sub(i),d,d.add(i));vc({start:0,end:3},(({i:i})=>{const d=n.element(i),g=Ap(e,t,c,d,a),y=o.add(g),x=l.mul(u.mul(Ki(y,1))),b=ki(x.xy.div(x.w)).toVar();b.addAssign(1),b.divAssign(2),b.assign(ki(b.x,b.y.oneMinus()));const T=wp(b,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(Mp(qo(g),h,p).element(i)))})),m.a.divAssign(3)}else{const i=Ap(e,t,c,d,a),n=o.add(i),g=l.mul(u.mul(Ki(n,1))),y=ki(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(ki(y.x,y.y.oneMinus())),m=wp(y,r,d),f=s.mul(Mp(qo(i),h,p))}const y=f.rgb.mul(m.rgb),x=e.dot(t).clamp(),b=Hi(np({dotNV:x,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return Ki(b.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())})),Fp=en(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),Up=(e,t)=>e.sub(t).div(e.add(t)).pow2(),Pp=Bi((({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=_a(e,t,Aa(0,.03,s)),o=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();Pi(o.lessThan(0),(()=>Hi(1)));const a=o.sqrt(),u=Up(n,e),l=kh({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=Di(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return Hi(1).add(t).div(Hi(1).sub(t))})(i.clamp(0,.9999)),g=Up(p,n.toVec3()),m=kh({f0:g,f90:1,dotVH:a}),f=Hi(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,a,2),x=Hi(h).add(f),b=l.mul(m).clamp(1e-5,.9999),T=b.sqrt(),_=d.pow2().mul(m).div(Hi(1).sub(b)),v=l.add(_).toVar(),N=_.sub(d).toVar();return vc({start:1,end:2,condition:"<=",name:"m"},(({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=Hi(54856e-17,44201e-17,52481e-17),i=Hi(1681e3,1795300,2208400),n=Hi(43278e5,93046e5,66121e5),o=Di(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let a=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return a=Hi(a.x.add(o),a.y,a.z).div(1.0685e-7),Fp.mul(a)})(Di(e).mul(y),Di(e).mul(x)).mul(2);v.addAssign(N.mul(t))})),v.max(Hi(0))})).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),Ip=Bi((({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.pow2(),n=Pa(r.lessThan(.25),Di(-339.2).mul(i).add(Di(161.4).mul(r)).sub(25.9),Di(-8.48).mul(i).add(Di(14.3).mul(r)).sub(9.95)),o=Pa(r.lessThan(.25),Di(44).mul(i).sub(Di(23.7).mul(r)).add(3.26),Di(1.97).mul(i).sub(Di(3.27).mul(r)).add(.72));return Pa(r.lessThan(.25),0,Di(.1).mul(r).sub(.025)).add(n.mul(s).add(o).exp()).mul(1/Math.PI).saturate()})),Lp=Hi(.04),Dp=Di(1);class Vp extends Dh{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=Hi().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=Hi().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=Hi().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=Hi().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=Hi().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=Bl.dot(vl).clamp();this.iridescenceFresnel=Pp({outsideIOR:Di(1),eta2:Cn,cosTheta1:e,thinFilmThickness:En,baseF0:Un}),this.iridescenceF0=op({f:this.iridescenceFresnel,f90:1,dotVH:e})}if(!0===this.transmission){const t=bl,r=Qu.sub(bl).normalize(),s=Fl;e.backdrop=Bp(s,r,Tn,xn,Un,Pn,t,ol,Xu,ju,Gn,zn,Wn,$n,this.dispersion?Hn:null),e.backdropAlpha=kn,xn.a.mulAssign(_a(1,e.backdrop.a,kn))}}computeMultiscattering(e,t,r){const s=Bl.dot(vl).clamp(),i=ip({roughness:Tn,dotNV:s}),n=(this.iridescenceF0?Rn.mix(Un,this.iridescenceF0):Un).mul(i.x).add(r.mul(i.y)),o=i.x.add(i.y).oneMinus(),a=Un.add(Un.oneMinus().mul(.047619)),u=n.mul(a).div(o.mul(a).oneMinus());e.addAssign(n),t.addAssign(u.mul(o))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Bl.dot(e).clamp().mul(t);if(!0===this.sheen&&this.sheenSpecularDirect.addAssign(s.mul(lp({lightDirection:e}))),!0===this.clearcoat){const r=Ul.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(sp({lightDirection:e,f0:Lp,f90:Dp,roughness:Nn,normalView:Ul})))}r.directDiffuse.addAssign(s.mul(zh({diffuseColor:xn.rgb}))),r.directSpecular.addAssign(s.mul(sp({lightDirection:e,f0:Un,f90:1,roughness:Tn,iridescence:this.iridescence,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:o}){const a=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=Bl,h=vl,p=_l.toVar(),g=dp({N:c,V:h,roughness:Tn}),m=n.sample(g).toVar(),f=o.sample(g).toVar(),y=en(Hi(m.x,0,m.y),Hi(0,1,0),Hi(m.z,0,m.w)).toVar(),x=Un.mul(f.x).add(Un.oneMinus().mul(f.y)).toVar();i.directSpecular.addAssign(e.mul(x).mul(pp({N:c,V:h,P:p,mInv:y,p0:a,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(xn).mul(pp({N:c,V:h,P:p,mInv:en(1,0,0,0,1,0,0,0,1),p0:a,p1:u,p2:l,p3:d})))}indirect(e,t,r){this.indirectDiffuse(e,t,r),this.indirectSpecular(e,t,r),this.ambientOcclusion(e,t,r)}indirectDiffuse({irradiance:e,reflectedLight:t}){t.indirectDiffuse.addAssign(e.mul(zh({diffuseColor:xn})))}indirectSpecular({radiance:e,iblIrradiance:t,reflectedLight:r}){if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(t.mul(Sn,Ip({normal:Bl,viewDir:vl,roughness:An}))),!0===this.clearcoat){const e=Ul.dot(vl).clamp(),t=np({dotNV:e,specularColor:Lp,specularF90:Dp,roughness:Nn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const s=Hi().toVar("singleScattering"),i=Hi().toVar("multiScattering"),n=t.mul(1/Math.PI);this.computeMultiscattering(s,i,Pn);const o=s.add(i),a=xn.mul(o.r.max(o.g).max(o.b).oneMinus());r.indirectSpecular.addAssign(e.mul(s)),r.indirectSpecular.addAssign(i.mul(n)),r.indirectDiffuse.addAssign(a.mul(n))}ambientOcclusion({ambientOcclusion:e,reflectedLight:t}){const r=Bl.dot(vl).clamp().add(e),s=Tn.mul(-16).oneMinus().negate().exp2(),i=e.sub(r.pow(s).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(e),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(e),t.indirectDiffuse.mulAssign(e),t.indirectSpecular.mulAssign(i)}finish(e){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=Ul.dot(vl).clamp(),r=kh({dotVH:e,f0:Lp,f90:Dp}),s=t.mul(vn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(vn));t.assign(s)}if(!0===this.sheen){const e=Sn.r.max(Sn.g).max(Sn.b).mul(.157).oneMinus(),r=t.mul(e).add(this.sheenSpecularDirect,this.sheenSpecularIndirect);t.assign(r)}}}const Op=Di(1),Gp=Di(-2),kp=Di(.8),zp=Di(-1),$p=Di(.4),Wp=Di(2),Hp=Di(.305),jp=Di(3),qp=Di(.21),Xp=Di(4),Kp=Di(4),Yp=Di(16),Qp=Bi((([e])=>{const t=Hi(Ho(e)).toVar(),r=Di(-1).toVar();return Pi(t.x.greaterThan(t.z),(()=>{Pi(t.x.greaterThan(t.y),(()=>{r.assign(Pa(e.x.greaterThan(0),0,3))})).Else((()=>{r.assign(Pa(e.y.greaterThan(0),1,4))}))})).Else((()=>{Pi(t.z.greaterThan(t.y),(()=>{r.assign(Pa(e.z.greaterThan(0),2,5))})).Else((()=>{r.assign(Pa(e.y.greaterThan(0),1,4))}))})),r})).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Zp=Bi((([e,t])=>{const r=ki().toVar();return Pi(t.equal(0),(()=>{r.assign(ki(e.z,e.y).div(Ho(e.x)))})).ElseIf(t.equal(1),(()=>{r.assign(ki(e.x.negate(),e.z.negate()).div(Ho(e.y)))})).ElseIf(t.equal(2),(()=>{r.assign(ki(e.x.negate(),e.y).div(Ho(e.z)))})).ElseIf(t.equal(3),(()=>{r.assign(ki(e.z.negate(),e.y).div(Ho(e.x)))})).ElseIf(t.equal(4),(()=>{r.assign(ki(e.x.negate(),e.z).div(Ho(e.y)))})).Else((()=>{r.assign(ki(e.x,e.y).div(Ho(e.z)))})),Jn(.5,r.add(1))})).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Jp=Bi((([e])=>{const t=Di(0).toVar();return Pi(e.greaterThanEqual(kp),(()=>{t.assign(Op.sub(e).mul(zp.sub(Gp)).div(Op.sub(kp)).add(Gp))})).ElseIf(e.greaterThanEqual($p),(()=>{t.assign(kp.sub(e).mul(Wp.sub(zp)).div(kp.sub($p)).add(zp))})).ElseIf(e.greaterThanEqual(Hp),(()=>{t.assign($p.sub(e).mul(jp.sub(Wp)).div($p.sub(Hp)).add(Wp))})).ElseIf(e.greaterThanEqual(qp),(()=>{t.assign(Hp.sub(e).mul(Xp.sub(jp)).div(Hp.sub(qp)).add(jp))})).Else((()=>{t.assign(Di(-2).mul(Fo(Jn(1.16,e))))})),t})).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),eg=Bi((([e,t])=>{const r=e.toVar();r.assign(Jn(2,r).sub(1));const s=Hi(r,1).toVar();return Pi(t.equal(0),(()=>{s.assign(s.zyx)})).ElseIf(t.equal(1),(()=>{s.assign(s.xzy),s.xz.mulAssign(-1)})).ElseIf(t.equal(2),(()=>{s.x.mulAssign(-1)})).ElseIf(t.equal(3),(()=>{s.assign(s.zyx),s.xz.mulAssign(-1)})).ElseIf(t.equal(4),(()=>{s.assign(s.xzy),s.xy.mulAssign(-1)})).ElseIf(t.equal(5),(()=>{s.z.mulAssign(-1)})),s})).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),tg=Bi((([e,t,r,s,i,n])=>{const o=Di(r),a=Hi(t),u=va(Jp(o),Gp,n),l=Vo(u),d=Io(u),c=Hi(rg(e,a,d,s,i,n)).toVar();return Pi(l.notEqual(0),(()=>{const t=Hi(rg(e,a,d.add(1),s,i,n)).toVar();c.assign(_a(c,t,l))})),c})),rg=Bi((([e,t,r,s,i,n])=>{const o=Di(r).toVar(),a=Hi(t),u=Di(Qp(a)).toVar(),l=Di(oa(Kp.sub(o),0)).toVar();o.assign(oa(o,Kp));const d=Di(Mo(o)).toVar(),c=ki(Zp(a,u).mul(d.sub(2)).add(1)).toVar();return Pi(u.greaterThan(2),(()=>{c.y.addAssign(d),u.subAssign(3)})),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(Jn(3,Yp))),c.y.addAssign(Jn(4,Mo(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(ki(),ki())})),sg=Bi((({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:a})=>{const u=Go(s),l=r.mul(u).add(i.cross(r).mul(Oo(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return rg(e,l,t,n,o,a)})),ig=Bi((({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:o,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=Hi(Pa(t,r,pa(r,s))).toVar();Pi(Ao(h.equals(Hi(0))),(()=>{h.assign(Hi(s.z,0,s.x.negate()))})),h.assign(Do(h));const p=Hi().toVar();return p.addAssign(i.element(0).mul(sg({theta:0,axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),vc({start:Vi(1),end:e},(({i:e})=>{Pi(e.greaterThanEqual(n),(()=>{Nc()}));const t=Di(o.mul(Di(e))).toVar();p.addAssign(i.element(e).mul(sg({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(sg({theta:t,axis:h,outputDirection:s,mipInt:a,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))})),Ki(p,1)}));let ng=null;const og=new WeakMap;function ag(e){let t=og.get(e);if((void 0!==t?t.pmremVersion:-1)!==e.pmremVersion){const r=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(r))return null;t=ng.fromCubemap(e,t)}else{if(!function(e){return null!=e&&e.height>0}(r))return null;t=ng.fromEquirectangular(e,t)}t.pmremVersion=e.pmremVersion,og.set(e,t)}return t.texture}class ug extends zs{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new ee;s.isRenderTargetTexture=!0,this._texture=Lu(s),this._width=gn(0),this._height=gn(0),this._maxMip=gn(0),this.updateBeforeType=Bs.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(){let e=this._pmrem;const t=e?e.pmremVersion:-1,r=this._value;t!==r.pmremVersion&&(e=!0===r.isPMREMTexture?r:ag(r),null!==e&&(this._pmrem=e,this.updateFromTexture(e)))}setup(e){null===ng&&(ng=e.createPMREMGenerator()),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this));const r=this.value;e.renderer.coordinateSystem===l&&!0!==r.isPMREMTexture&&!0===r.isRenderTargetTexture&&(t=Hi(t.x.negate(),t.yz)),t=Hi(t.x,t.y.negate(),t.z);let s=this.levelNode;return null===s&&e.context.getTextureLevel&&(s=e.context.getTextureLevel(this)),tg(this._texture,t,s,this._width,this._height,this._maxMip)}}const lg=wi(ug),dg=new WeakMap;class cg extends wc{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const e=r.isTextureNode?r.value:t[r.property];let s=dg.get(e);void 0===s&&(s=lg(e),dg.set(e,s)),r=s}const s=t.envMap?Hl("envMapIntensity","float",e.material):Hl("environmentIntensity","float",e.scene),i=!0===t.useAnisotropy||t.anisotropy>0?dd:Bl,n=r.context(hg(Tn,i)).mul(s),o=r.context(pg(Fl)).mul(Math.PI).mul(s),a=yu(n),u=yu(o);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(u);const l=e.context.lightingModel.clearcoatRadiance;if(l){const e=r.context(hg(Nn,Ul)).mul(s),t=yu(e);l.addAssign(t)}}}const hg=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=vl.negate().reflect(t),r=e.mul(e).mix(r,t).normalize(),r=r.transformDirection(Xu)),r),getTextureLevel:()=>e}},pg=e=>({getUV:()=>e,getTextureLevel:()=>Di(1)}),gg=new te;class mg extends gh{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(gg),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new cg(t):null}setupLightingModel(){return new Vp}setupSpecular(){const e=_a(Hi(.04),xn.rgb,_n);Un.assign(e),Pn.assign(1)}setupVariants(){const e=this.metalnessNode?Di(this.metalnessNode):Bd;_n.assign(e);let t=this.roughnessNode?Di(this.roughnessNode):Md;t=Qh({roughness:t}),Tn.assign(t),this.setupSpecular(),xn.assign(Ki(xn.rgb.mul(e.oneMinus()),xn.a))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const fg=new re;class yg extends mg{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(fg),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?Di(this.iorNode):Hd;Gn.assign(e),Un.assign(_a(na(ma(Gn.sub(1).div(Gn.add(1))).mul(Cd),Hi(1)).mul(Rd),xn.rgb,_n)),Pn.assign(_a(Rd,1,_n))}setupLightingModel(){return new Vp(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?Di(this.clearcoatNode):Ud,t=this.clearcoatRoughnessNode?Di(this.clearcoatRoughnessNode):Pd;vn.assign(e),Nn.assign(Qh({roughness:t}))}if(this.useSheen){const e=this.sheenNode?Hi(this.sheenNode):Dd,t=this.sheenRoughnessNode?Di(this.sheenRoughnessNode):Vd;Sn.assign(e),An.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?Di(this.iridescenceNode):Gd,t=this.iridescenceIORNode?Di(this.iridescenceIORNode):kd,r=this.iridescenceThicknessNode?Di(this.iridescenceThicknessNode):zd;Rn.assign(e),Cn.assign(t),En.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?ki(this.anisotropyNode):Od).toVar();Mn.assign(e.length()),Pi(Mn.equal(0),(()=>{e.assign(ki(1,0))})).Else((()=>{e.divAssign(ki(Mn)),Mn.assign(Mn.saturate())})),wn.assign(Mn.pow2().mix(Tn.pow2(),1)),Bn.assign(ud[0].mul(e.x).add(ud[1].mul(e.y))),Fn.assign(ud[1].mul(e.x).sub(ud[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?Di(this.transmissionNode):$d,t=this.thicknessNode?Di(this.thicknessNode):Wd,r=this.attenuationDistanceNode?Di(this.attenuationDistanceNode):jd,s=this.attenuationColorNode?Hi(this.attenuationColorNode):qd;if(kn.assign(e),zn.assign(t),$n.assign(r),Wn.assign(s),this.useDispersion){const e=this.dispersionNode?Di(this.dispersionNode):ec;Hn.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?Hi(this.clearcoatNormalNode):Id}setup(e){e.context.setupClearcoatNormal=()=>this.setupClearcoatNormal(e),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class xg extends Vp{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,o=!1){super(e,t,r,s,i,n),this.useSSS=o}direct({lightDirection:e,lightColor:t,reflectedLight:r},s,i){if(!0===this.useSSS){const s=i.material,{thicknessColorNode:n,thicknessDistortionNode:o,thicknessAmbientNode:a,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=s,c=e.add(Bl.mul(o)).normalize(),h=Di(vl.dot(c.negate()).saturate().pow(l).mul(d)),p=Hi(h.add(a).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s,i)}}class bg extends yg{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=Di(.1),this.thicknessAmbientNode=Di(0),this.thicknessAttenuationNode=Di(.1),this.thicknessPowerNode=Di(2),this.thicknessScaleNode=Di(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new xg(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const Tg=Bi((({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=ki(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=Xl("gradientMap","texture").context({getUV:()=>i});return Hi(e.r)}{const e=i.fwidth().mul(.5);return _a(Hi(.7),Hi(1),Aa(Di(.7).sub(e.x),Di(.7).add(e.x),i.x))}}));class _g extends Dh{direct({lightDirection:e,lightColor:t,reflectedLight:r},s,i){const n=Tg({normal:Rl,lightDirection:e,builder:i}).mul(t);r.directDiffuse.addAssign(n.mul(zh({diffuseColor:xn.rgb})))}indirect({ambientOcclusion:e,irradiance:t,reflectedLight:r}){r.indirectDiffuse.addAssign(t.mul(zh({diffuseColor:xn}))),r.indirectDiffuse.mulAssign(e)}}const vg=new se;class Ng extends gh{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(vg),this.setValues(e)}setupLightingModel(){return new _g}}class Sg extends zs{static get type(){return"MatcapUVNode"}constructor(){super("vec2")}setup(){const e=Hi(vl.z,0,vl.x.negate()).normalize(),t=vl.cross(e);return ki(e.dot(Bl),t.dot(Bl)).mul(.495).add(.5)}}const Ag=Mi(Sg),Rg=new ie;class Cg extends gh{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(Rg),this.setValues(e)}setupVariants(e){const t=Ag;let r;r=e.material.matcap?Xl("matcap","texture").context({getUV:()=>t}):Hi(_a(.2,.8,t.y)),xn.rgb.mulAssign(r.rgb)}}class Eg extends zs{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}getNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Ji(e,s,s.negate(),e).mul(r)}{const e=t,s=tn(Ki(1,0,0,0),Ki(0,Go(e.x),Oo(e.x).negate(),0),Ki(0,Oo(e.x),Go(e.x),0),Ki(0,0,0,1)),i=tn(Ki(Go(e.y),0,Oo(e.y),0),Ki(0,1,0,0),Ki(Oo(e.y).negate(),0,Go(e.y),0),Ki(0,0,0,1)),n=tn(Ki(Go(e.z),Oo(e.z).negate(),0,0),Ki(Oo(e.z),Go(e.z),0,0),Ki(0,0,1,0),Ki(0,0,0,1));return s.mul(i).mul(n).mul(Ki(r,1)).xyz}}}const wg=wi(Eg),Mg=new ne;class Bg extends gh{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.setDefaultValues(Mg),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,s=this.sizeAttenuation,{positionNode:i,rotationNode:n,scaleNode:o}=this,a=hl.mul(Hi(i||0));let u=ki(ol[0].xyz.length(),ol[1].xyz.length());if(null!==o&&(u=u.mul(Di(o))),!1===s)if(r.isPerspectiveCamera)u=u.mul(a.z.negate());else{const e=Di(2).div(ju.element(1).element(1));u=u.mul(e.mul(2))}let l=fl.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>Ri(new su(e,t,r)))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=Di(n||Ld),c=wg(l,d);return Ki(a.xy.add(c),a.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const Fg=new oe;class Ug extends Bg{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(Fg),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return hl.mul(Hi(e||yl)).xyz}setupVertex(e){const t=super.setupVertex(e);if(!0!==e.material.isNodeMaterial)return t;const{rotationNode:r,scaleNode:s,sizeNode:i}=this,n=fl.xy.toVar(),o=Gc.z.div(Gc.w);if(r&&r.isNode){const e=Di(r);n.assign(wg(n,e))}let a=null!==i?ki(i):Jd;return!0===this.sizeAttenuation&&(a=a.mul(a.div(_l.z.negate()))),s&&s.isNode&&(a=a.mul(ki(s))),n.mulAssign(a.mul(2)),n.assign(n.div(Gc.z)),n.y.assign(n.y.mul(o)),n.assign(n.mul(t.w)),t.addAssign(Ki(n,0,0)),t}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}class Pg extends Dh{constructor(){super(),this.shadowNode=Di(1).toVar("shadowMask")}direct({shadowMask:e}){this.shadowNode.mulAssign(e)}finish(e){xn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(xn.rgb)}}const Ig=new ae;class Lg extends gh{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Ig),this.setValues(e)}setupLightingModel(){return new Pg}}const Dg=Bi((({texture:e,uv:t})=>{const r=1e-4,s=Hi().toVar();return Pi(t.x.lessThan(r),(()=>{s.assign(Hi(1,0,0))})).ElseIf(t.y.lessThan(r),(()=>{s.assign(Hi(0,1,0))})).ElseIf(t.z.lessThan(r),(()=>{s.assign(Hi(0,0,1))})).ElseIf(t.x.greaterThan(.9999),(()=>{s.assign(Hi(-1,0,0))})).ElseIf(t.y.greaterThan(.9999),(()=>{s.assign(Hi(0,-1,0))})).ElseIf(t.z.greaterThan(.9999),(()=>{s.assign(Hi(0,0,-1))})).Else((()=>{const r=.01,i=e.sample(t.add(Hi(-.01,0,0))).r.sub(e.sample(t.add(Hi(r,0,0))).r),n=e.sample(t.add(Hi(0,-.01,0))).r.sub(e.sample(t.add(Hi(0,r,0))).r),o=e.sample(t.add(Hi(0,0,-.01))).r.sub(e.sample(t.add(Hi(0,0,r))).r);s.assign(Hi(i,n,o))})),s.normalize()}));class Vg extends Iu{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return Hi(.5,.5,.5)}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!e.isFlipY()||!0!==r.isRenderTargetTexture&&!0!==r.isFramebufferTexture||(t=this.sampler?t.flipY():t.setY(Vi(Fu(this,this.levelNode).y).sub(t.y).sub(1))),t}generateUV(e,t){return t.build(e,"vec3")}normal(e){return Dg({texture:this,uv:e})}}const Og=wi(Vg);class Gg extends gh{static get type(){return"VolumeNodeMaterial"}constructor(t){super(),this.isVolumeNodeMaterial=!0,this.base=new e(16777215),this.map=null,this.steps=100,this.testNode=null,this.setValues(t)}setup(e){const t=Og(this.map,null,0),r=Bi((({orig:e,dir:t})=>{const r=Hi(-.5),s=Hi(.5),i=t.reciprocal(),n=r.sub(e).mul(i),o=s.sub(e).mul(i),a=na(n,o),u=oa(n,o),l=oa(a.x,oa(a.y,a.z)),d=na(u.x,na(u.y,u.z));return ki(l,d)}));this.fragmentNode=Bi((()=>{const e=Ha(Hi(cl.mul(Ki(Qu,1)))),s=Ha(fl.sub(e)).normalize(),i=ki(r({orig:e,dir:s})).toVar();i.x.greaterThan(i.y).discard(),i.assign(ki(oa(i.x,0),i.y));const n=Hi(e.add(i.x.mul(s))).toVar(),o=Hi(s.abs().reciprocal()).toVar(),a=Di(na(o.x,na(o.y,o.z))).toVar("delta");a.divAssign(Xl("steps","float"));const u=Ki(Xl("base","color"),0).toVar();return vc({type:"float",start:i.x,end:i.y,update:"+= delta"},(()=>{const e=fn("float","d").assign(t.sample(n.add(.5)).r);null!==this.testNode?this.testNode({map:t,mapValue:e,probe:n,finalColor:u}).append():(u.a.assign(1),Nc()),n.addAssign(s.mul(a))})),u.a.equal(0).discard(),Ki(u)}))(),super.setup(e)}}class kg{constructor(e,t){this.nodes=e,this.info=t,this._context=self,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,null!==this._animationLoop&&this._animationLoop(t,r)};e()}stop(){this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class zg{constructor(){this.weakMap=new WeakMap}get(e){let t=this.weakMap;for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this.weakMap;for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this.weakMap;for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let $g=0;class Wg{constructor(e,t,r,s,i,n,o,a,u,l){this.id=$g++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=o,this.lightsNode=a,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.material.addEventListener("dispose",this.onMaterialDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.material.hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set;for(const i of e){const e=i.node&&i.node.attribute?i.node.attribute:t.getAttribute(i.name);if(void 0===e)continue;r.push(e);const n=e.isInterleavedBufferAttribute?e.data:e;s.add(n)}return this.attributes=r,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),o=this.getIndex(),a=null!==o,u=r.isInstancedBufferGeometry?r.instanceCount:e.count>1?e.count:1;if(0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;a?p=o.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t}=this;let r=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const s=t[e];let i;if(null!==s){const e=typeof s;"number"===e?i=0!==s?"1":"0":"object"===e?(i="{",s.isTexture&&(i+=s.mapping),i+="}"):i=String(s)}else i=String(s);r+=i+","}return r+=this.clippingContextCacheKey+",",e.geometry&&(r+=this.getGeometryCacheKey()),e.skeleton&&(r+=e.skeleton.bones.length+","),e.isBatchedMesh&&(r+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(r+=e._colorsTexture.uuid+",")),e.count>1&&(r+=e.uuid+","),r+=e.receiveShadow+",",gs(r)}get needsGeometryUpdate(){return this.geometry.id!==this.object.geometry.id}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=fs(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=fs(e,1)),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}const Hg=[];class jg{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,o,a){const u=this.getChainMap(a);Hg[0]=e,Hg[1]=t,Hg[2]=n,Hg[3]=i;let l=u.get(Hg);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,o,a),u.set(Hg,l)):(l.updateClipping(o),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,o,a)):l.version=t.version)),Hg.length=0,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new zg)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,o,a,u,l,d){const c=this.getChainMap(d),h=new Wg(e,t,r,s,i,n,o,a,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.delete(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class qg{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const Xg=1,Kg=2,Yg=3,Qg=4,Zg=16;class Jg extends qg{constructor(e){super(),this.backend=e}delete(e){const t=super.delete(e);return void 0!==t&&this.backend.destroyAttribute(e),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===Xg?this.backend.createAttribute(e):t===Kg?this.backend.createIndexAttribute(e):t===Yg?this.backend.createStorageAttribute(e):t===Qg&&this.backend.createIndirectStorageAttribute(e),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===f)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function em(e){return null!==e.index?e.index.version:e.attributes.position.version}function tm(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(ue(t)?le:de)(t,1);return i.version=em(e),i}class rm extends qg{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r)};t.addEventListener("dispose",r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,Yg):this.updateAttribute(e,Xg);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,Kg);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,Qg)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=tm(t),e.set(t,r)):r.version!==em(t)&&(this.attributes.delete(r),r=tm(t),e.set(t,r)),s=r}return s}}class sm{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={geometries:0,textures:0}}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):console.error("THREE.WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class im{constructor(e){this.cacheKey=e,this.usedTimes=0}}class nm extends im{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class om extends im{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let am=0;class um{constructor(e,t,r,s=null,i=null){this.id=am++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class lm extends qg{constructor(e,t){super(),this.backend=e,this.nodes=t,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let o=this.programs.compute.get(n.computeShader);void 0===o&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),o=new um(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,o),r.createProgram(o));const a=this._getComputeCacheKey(e,o);let u=this.caches.get(a);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,o,a,t)),u.usedTimes++,o.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),o=e.material?e.material.name:"";let a=this.programs.vertex.get(n.vertexShader);void 0===a&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),a=new um(n.vertexShader,"vertex",o),this.programs.vertex.set(n.vertexShader,a),r.createProgram(a));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new um(n.fragmentShader,"fragment",o),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u));const l=this._getRenderCacheKey(e,a,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,a,u,l,t)):e.pipeline=d,d.usedTimes++,a.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new om(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new nm(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class dm extends qg{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings();for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}_updateBindings(e){for(const t of e)this._update(t,e)}_init(e){for(const t of e.bindings)if(t.isSampledTexture)this.textures.updateTexture(t.texture);else if(t.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?Qg:Yg;this.attributes.update(e,r)}}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,o=0;for(const t of e.bindings){if(t.isNodeUniformsGroup){if(!1===this.nodes.updateGroup(t))continue}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampler)t.update();else if(t.isSampledTexture){const e=this.textures.get(t.texture);t.needsBindingsUpdate(e.generation)&&(s=!0);const a=t.update(),u=t.texture;a&&this.textures.updateTexture(u);const l=r.get(u);if(void 0!==l.externalTexture||e.isDefaultTexture?i=!1:(n=10*n+u.id,o+=u.version),!0===r.isWebGPUBackend&&void 0===l.texture&&void 0===l.externalTexture&&(console.error("Bindings._update: binding should be available:",t,a,u,t.textureNode.value,s),this.textures.updateTexture(u),s=!0),!0===u.isStorageTexture){const e=this.get(u);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(u)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(u),e.needsMipmap=!1)}}}!0===s&&this.backend.updateBindings(e,t,i?n:0,o)}}function cm(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.material.id!==t.material.id?e.material.id-t.material.id:e.z!==t.z?e.z-t.z:e.id-t.id}function hm(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function pm(e){return(e.transmission>0||e.transmissionNode)&&e.side===ce&&!1===e.forceSinglePass}class gm{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lightsNode=e.getNode(t,r),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,o){let a=this.renderItems[this.renderItemsIndex];return void 0===a?(a={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:o},this.renderItems[this.renderItemsIndex]=a):(a.id=e.id,a.object=e,a.geometry=t,a.material=r,a.groupOrder=s,a.renderOrder=e.renderOrder,a.z=i,a.group=n,a.clippingContext=o),this.renderItemsIndex++,a}push(e,t,r,s,i,n,o){const a=this.getNextRenderItem(e,t,r,s,i,n,o);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0?(pm(r)&&this.transparentDoublePass.push(a),this.transparent.push(a)):this.opaque.push(a)}unshift(e,t,r,s,i,n,o){const a=this.getNextRenderItem(e,t,r,s,i,n,o);!0===r.transparent||r.transmission>0?(pm(r)&&this.transparentDoublePass.unshift(a),this.transparent.unshift(a)):this.opaque.unshift(a)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t){this.opaque.length>1&&this.opaque.sort(e||cm),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||hm),this.transparent.length>1&&this.transparent.sort(t||hm)}finish(){this.lightsNode.setLights(this.lightsArray);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const mm=[];class fm{constructor(e){this.lighting=e,this.lists=new zg}get(e,t){const r=this.lists;mm[0]=e,mm[1]=t;let s=r.get(mm);return void 0===s&&(s=new gm(this.lighting,e,t),r.set(mm,s)),mm.length=0,s}dispose(){this.lists=new zg}}let ym=0;class xm{constructor(){this.id=ym++,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.isRenderContext=!0}getCacheKey(){return bm(this)}}function bm(e){const{textures:t,activeCubeFace:r}=e,s=[r];for(const e of t)s.push(e.id);return ms(s)}const Tm=[],_m=new z,vm=new he;class Nm{constructor(){this.chainMaps={}}get(e,t,r=null){let s;if(Tm[0]=e,Tm[1]=t,null===r)s="default";else{const e=r.texture.format;s=`${r.textures.length}:${e}:${r.samples}:${r.depthBuffer}:${r.stencilBuffer}`}const i=this._getChainMap(s);let n=i.get(Tm);return void 0===n&&(n=new xm,i.set(Tm,n)),Tm.length=0,null!==r&&(n.sampleCount=0===r.samples?1:r.samples),n}getForClear(e=null){return this.get(_m,vm,e)}_getChainMap(e){return this.chainMaps[e]||(this.chainMaps[e]=new zg)}dispose(){this.chainMaps={}}}const Sm=new r;class Am extends qg{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,o=this.getSize(n[0]),a=o.width>>t,u=o.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;void 0===l&&d&&(l=new F,l.format=e.stencilBuffer?pe:ge,l.type=e.stencilBuffer?me:b,l.image.width=a,l.image.height=u,i[t]=l),r.width===o.width&&o.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=a,l.image.height=u)),r.width=o.width,r.height=o.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const h={sampleCount:s};if(!0===e.isXRRenderTarget&&!0===e.hasExternalTextures)l&&!0===e.autoAllocateDepthBuffer&&this.updateTexture(l,h);else{for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,h)}l&&this.updateTexture(l,h)}if(!0!==r.initialized){r.initialized=!0;const t=()=>{e.removeEventListener("dispose",t);for(let e=0;e<n.length;e++)this._destroyTexture(n[e]);l&&this._destroyTexture(l),this.delete(e)};e.addEventListener("dispose",t)}}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&(i.destroySampler(e),i.destroyTexture(e)),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:fe}const{width:n,height:o,depth:a}=this.getSize(e);if(t.width=n,t.height=o,t.depth=a,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,o):1,s||!0===e.isStorageTexture)i.createSampler(e),i.createTexture(e,t),r.generation=e.version;else{if(!0!==r.initialized&&i.createSampler(e),e.version>0){const s=e.image;if(void 0===s)console.warn("THREE.Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)console.warn("THREE.Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t),t.needsMipmaps&&0===e.mipmaps.length&&i.generateMipmaps(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version}if(!0!==r.initialized){r.initialized=!0,r.generation=e.version,this.info.memory.textures++;const t=()=>{e.removeEventListener("dispose",t),this._destroyTexture(e),this.info.memory.textures--};e.addEventListener("dispose",t)}r.version=e.version}getSize(e,t=Sm){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.isCompressedTexture?e.mipmaps?e.mipmaps.length:1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return this.isEnvironmentTexture(e)||!0===e.isCompressedTexture||e.generateMipmaps}isEnvironmentTexture(e){const t=e.mapping;return t===j||t===q||t===v||t===N}_destroyTexture(e){this.backend.destroySampler(e),this.backend.destroyTexture(e),this.delete(e)}}class Rm extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class Cm extends mn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getHash(){return this.uuid}generate(){return this.name}}class Em extends Os{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this.isStackNode=!0}getNodeType(e){return this.outputNode?this.outputNode.getNodeType(e):"void"}add(e){return this.nodes.push(e),this}If(e,t){const r=new Ai(t);return this._currentCond=Pa(e,r),this.add(this._currentCond)}ElseIf(e,t){const r=new Ai(t),s=Pa(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new Ai(e),this}build(e,...t){const r=Ui();Fi(this);for(const t of this.nodes)t.build(e,"void");return Fi(r),this.outputNode?this.outputNode.build(e,...t):super.build(e,...t)}else(...e){return console.warn("TSL.StackNode: .else() has been renamed to .Else()."),this.Else(...e)}elseif(...e){return console.warn("TSL.StackNode: .elseif() has been renamed to .ElseIf()."),this.ElseIf(...e)}}const wm=wi(Em);class Mm extends Os{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}setup(e){super.setup(e);const t=this.members,r=[];for(let s=0;s<t.length;s++)r.push(t[s].getNodeType(e));this.nodeType=e.getStructTypeFromNode(this,r).name}generate(e,t){const r=e.getOutputStructName(),s=this.members,i=""!==r?r+".":"";for(let r=0;r<s.length;r++){const n=s[r].build(e,t);e.addLineFlowCode(`${i}m${r} = ${n}`,this)}return r}}const Bm=wi(Mm);function Fm(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class Um extends Mm{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.isMRTNode=!0}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes};return Pm(t)}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const e in t){r[Fm(s,e)]=Ki(t[e])}return this.members=r,super.setup(e)}}const Pm=wi(Um),Im=Bi((([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)})),Lm=(e,t)=>ga(Jn(4,e.mul(Zn(1,e))),t),Dm=Bi((([e])=>e.fract().sub(.5).abs())).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),Vm=Bi((([e])=>Hi(Dm(e.z.add(Dm(e.y.mul(1)))),Dm(e.z.add(Dm(e.x.mul(1)))),Dm(e.y.add(Dm(e.x.mul(1))))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),Om=Bi((([e,t,r])=>{const s=Hi(e).toVar(),i=Di(1.4).toVar(),n=Di(0).toVar(),o=Hi(s).toVar();return vc({start:Di(0),end:Di(3),type:"float",condition:"<="},(()=>{const e=Hi(Vm(o.mul(2))).toVar();s.addAssign(e.add(r.mul(Di(.1).mul(t)))),o.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const a=Di(Dm(s.z.add(Dm(s.x.add(Dm(s.y)))))).toVar();n.addAssign(a.div(i)),o.addAssign(.14)})),n})).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class Gm extends Os{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFnCall=null,this.global=!0}getNodeType(){return this.functionNodes[0].shaderNode.layout.type}setup(e){const t=this.parametersNodes;let r=this._candidateFnCall;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("FunctionOverloadingNode: FunctionNode must be a layout.");const o=n.inputs;if(t.length===o.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=o[r];s.getNodeType(e)===i.type?n++:n=0}n>i&&(s=r,i=n)}}this._candidateFnCall=r=s(...t)}return r}}const km=wi(Gm),zm=e=>(...t)=>km(e,...t),$m=gn(0).setGroup(cn).onRenderUpdate((e=>e.time)),Wm=gn(0).setGroup(cn).onRenderUpdate((e=>e.deltaTime)),Hm=gn(0,"uint").setGroup(cn).onRenderUpdate((e=>e.frameId)),jm=Bi((([e,t,r=ki(.5)])=>wg(e.sub(r),t).add(r))),qm=Bi((([e,t,r=ki(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))})),Xm=Bi((({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=ol.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=ol;const i=Xu.mul(s);return Ni(t)&&(i[0][0]=ol[0].length(),i[0][1]=0,i[0][2]=0),Ni(r)&&(i[1][0]=0,i[1][1]=ol[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,ju.mul(i).mul(yl)})),Km=Bi((([e=null])=>{const t=ah();return ah(Jc(e)).sub(t).lessThan(0).select(Dc,e)}));class Ym extends Os{static get type(){return"SpriteSheetUVNode"}constructor(e,t=Mu(),r=Di(0)){super("vec2"),this.countNode=e,this.uvNode=t,this.frameNode=r}setup(){const{frameNode:e,uvNode:t,countNode:r}=this,{width:s,height:i}=r,n=e.mod(s.mul(i)).floor(),o=n.mod(s),a=i.sub(n.add(1).div(s).ceil()),u=r.reciprocal(),l=ki(o,a);return t.add(l).mul(u)}}const Qm=wi(Ym);class Zm extends Os{static get type(){return"TriplanarTexturesNode"}constructor(e,t=null,r=null,s=Di(1),i=yl,n=Cl){super("vec4"),this.textureXNode=e,this.textureYNode=t,this.textureZNode=r,this.scaleNode=s,this.positionNode=i,this.normalNode=n}setup(){const{textureXNode:e,textureYNode:t,textureZNode:r,scaleNode:s,positionNode:i,normalNode:n}=this;let o=n.abs().normalize();o=o.div(o.dot(Hi(1)));const a=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=Lu(d,a).mul(o.x),g=Lu(c,u).mul(o.y),m=Lu(h,l).mul(o.z);return Qn(p,g,m)}}const Jm=wi(Zm),ef=new xe,tf=new r,rf=new r,sf=new r,nf=new o,of=new r(0,0,-1),af=new s,uf=new r,lf=new r,df=new s,cf=new t,hf=new ye,pf=Dc.flipX();hf.depthTexture=new F(1,1);let gf=!1;class mf extends Iu{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||hf.texture,pf),this._reflectorBaseNode=e.reflector||new ff(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=Ri(new mf({defaultTexture:hf.depthTexture,reflector:this._reflectorBaseNode}))}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e._reflectorBaseNode=this._reflectorBaseNode,e}}class ff extends Os{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new be,resolution:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:o=!1}=t;this.textureNode=e,this.target=r,this.resolution=s,this.generateMipmaps=i,this.bounces=n,this.depth=o,this.updateBeforeType=n?Bs.RENDER:Bs.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new WeakMap}_updateResolution(e,t){const r=this.resolution;t.getDrawingBufferSize(cf),e.setSize(Math.round(cf.width*r),Math.round(cf.height*r))}setup(e){return this._updateResolution(hf,e.renderer),super.setup(e)}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new ye(0,0,{type:Te}),!0===this.generateMipmaps&&(t.texture.minFilter=_e,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new F),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&gf)return!1;gf=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,o=this.getVirtualCamera(r),a=this.getRenderTarget(o);if(s.getDrawingBufferSize(cf),this._updateResolution(a,s),rf.setFromMatrixPosition(n.matrixWorld),sf.setFromMatrixPosition(r.matrixWorld),nf.extractRotation(n.matrixWorld),tf.set(0,0,1),tf.applyMatrix4(nf),uf.subVectors(rf,sf),uf.dot(tf)>0)return;uf.reflect(tf).negate(),uf.add(rf),nf.extractRotation(r.matrixWorld),of.set(0,0,-1),of.applyMatrix4(nf),of.add(sf),lf.subVectors(rf,of),lf.reflect(tf).negate(),lf.add(rf),o.coordinateSystem=r.coordinateSystem,o.position.copy(uf),o.up.set(0,1,0),o.up.applyMatrix4(nf),o.up.reflect(tf),o.lookAt(lf),o.near=r.near,o.far=r.far,o.updateMatrixWorld(),o.projectionMatrix.copy(r.projectionMatrix),ef.setFromNormalAndCoplanarPoint(tf,rf),ef.applyMatrix4(o.matrixWorldInverse),af.set(ef.normal.x,ef.normal.y,ef.normal.z,ef.constant);const u=o.projectionMatrix;df.x=(Math.sign(af.x)+u.elements[8])/u.elements[0],df.y=(Math.sign(af.y)+u.elements[9])/u.elements[5],df.z=-1,df.w=(1+u.elements[10])/u.elements[14],af.multiplyScalar(1/af.dot(df));u.elements[2]=af.x,u.elements[6]=af.y,u.elements[10]=s.coordinateSystem===d?af.z-0:af.z+1-0,u.elements[14]=af.w,this.textureNode.value=a.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=a.depthTexture),i.visible=!1;const l=s.getRenderTarget(),c=s.getMRT(),h=s.autoClear;s.setMRT(null),s.setRenderTarget(a),s.autoClear=!0,s.render(t,o),s.setMRT(c),s.setRenderTarget(l),s.autoClear=h,i.visible=!0,gf=!1}}const yf=new ve(-1,1,1,-1,0,1);class xf extends Ne{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new Se([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new Se(t,2))}}const bf=new xf;class Tf extends k{constructor(e=null){super(bf,e),this.camera=yf,this.isQuadMesh=!0}async renderAsync(e){return e.renderAsync(this,yf)}render(e){e.render(this,yf)}}const _f=new t;class vf extends Iu{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:Te}){const i=new ye(t,r,s);super(i.texture,Mu()),this.node=e,this.width=t,this.height=r,this.pixelRatio=1,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._rttNode=null,this._quadMesh=new Tf(new gh),this.updateBeforeType=Bs.RENDER}get autoSize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){this.width=e,this.height=t;const r=e*this.pixelRatio,s=t*this.pixelRatio;this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setPixelRatio(e){this.pixelRatio=e,this.setSize(this.width,this.height)}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;if(this.textureNeedsUpdate=!1,!0===this.autoSize){this.pixelRatio=e.getPixelRatio();const t=e.getSize(_f);this.setSize(t.width,t.height)}this._quadMesh.material.fragmentNode=this._rttNode;const t=e.getRenderTarget();e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(t)}clone(){const e=new Iu(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const Nf=(e,...t)=>Ri(new vf(Ri(e),...t)),Sf=Bi((([e,t,r],s)=>{let i;s.renderer.coordinateSystem===d?(e=ki(e.x,e.y.oneMinus()).mul(2).sub(1),i=Ki(Hi(e,t),1)):i=Ki(Hi(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=Ki(r.mul(i));return n.xyz.div(n.w)})),Af=Bi((([e,t])=>{const r=t.mul(Ki(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return ki(s.x,s.y.oneMinus())})),Rf=Bi((([e,t,r])=>{const s=Fu(Du(t)),i=zi(e.mul(s)).toVar(),n=Du(t,i).toVar(),o=Du(t,i.sub(zi(2,0))).toVar(),a=Du(t,i.sub(zi(1,0))).toVar(),u=Du(t,i.add(zi(1,0))).toVar(),l=Du(t,i.add(zi(2,0))).toVar(),d=Du(t,i.add(zi(0,2))).toVar(),c=Du(t,i.add(zi(0,1))).toVar(),h=Du(t,i.sub(zi(0,1))).toVar(),p=Du(t,i.sub(zi(0,2))).toVar(),g=Ho(Zn(Di(2).mul(a).sub(o),n)).toVar(),m=Ho(Zn(Di(2).mul(u).sub(l),n)).toVar(),f=Ho(Zn(Di(2).mul(c).sub(d),n)).toVar(),y=Ho(Zn(Di(2).mul(h).sub(p),n)).toVar(),x=Sf(e,n,r).toVar(),b=g.lessThan(m).select(x.sub(Sf(e.sub(ki(Di(1).div(s.x),0)),a,r)),x.negate().add(Sf(e.add(ki(Di(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(x.sub(Sf(e.add(ki(0,Di(1).div(s.y))),c,r)),x.negate().add(Sf(e.sub(ki(0,Di(1).div(s.y))),h,r)));return Do(pa(b,T))}));class Cf extends C{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class Ef extends Ae{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class wf extends Gs{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.context.assign;if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const Mf=wi(wf);class Bf extends Vu{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t=_s(e.itemSize),r=e.count),super(e,t,r),this.isStorageBufferNode=!0,this.access=Us.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){if(0===this.bufferCount){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return Mf(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(Us.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=du(this.value),this._varying=Ha(this._attribute)),{attribute:this._attribute,varying:this._varying}}getNodeType(e){if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.getNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}generate(e){if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const Ff=(e,t=null,r=0)=>Ri(new Bf(e,t,r));class Uf extends Eu{static get type(){return"VertexColorNode"}constructor(e=0){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}class Pf extends Os{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const If=Mi(Pf),Lf=new Ce,Df=new o;class Vf extends Os{static get type(){return"SceneNode"}constructor(e=Vf.BACKGROUND_BLURRINESS,t=null){super(),this.scope=e,this.scene=t}setup(e){const t=this.scope,r=null!==this.scene?this.scene:e.scene;let s;return t===Vf.BACKGROUND_BLURRINESS?s=Hl("backgroundBlurriness","float",r):t===Vf.BACKGROUND_INTENSITY?s=Hl("backgroundIntensity","float",r):t===Vf.BACKGROUND_ROTATION?s=gn("mat4").label("backgroundRotation").setGroup(cn).onRenderUpdate((()=>{const e=r.background;return null!==e&&e.isTexture&&e.mapping!==Re?(Lf.copy(r.backgroundRotation),Lf.x*=-1,Lf.y*=-1,Lf.z*=-1,Df.makeRotationFromEuler(Lf)):Df.identity(),Df})):console.error("THREE.SceneNode: Unknown scope:",t),s}}Vf.BACKGROUND_BLURRINESS="backgroundBlurriness",Vf.BACKGROUND_INTENSITY="backgroundIntensity",Vf.BACKGROUND_ROTATION="backgroundRotation";const Of=Mi(Vf,Vf.BACKGROUND_BLURRINESS),Gf=Mi(Vf,Vf.BACKGROUND_INTENSITY),kf=Mi(Vf,Vf.BACKGROUND_ROTATION);class zf extends Iu{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.isStorageTextureNode=!0,this.access=Us.WRITE_ONLY}getInputType(){return"storageTexture"}setup(e){super.setup(e);e.getNodeProperties(this).storeNode=this.storeNode}setAccess(e){return this.access=e,this}generate(e,t){let r;return r=null!==this.storeNode?this.generateStore(e):super.generate(e,t),r}toReadWrite(){return this.setAccess(Us.READ_WRITE)}toReadOnly(){return this.setAccess(Us.READ_ONLY)}toWriteOnly(){return this.setAccess(Us.WRITE_ONLY)}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s}=t,i=super.generate(e,"property"),n=r.build(e,"uvec2"),o=s.build(e,"vec4"),a=e.generateTextureStore(e,i,n,o);e.addLineFlowCode(a,this)}}const $f=wi(zf);class Wf extends Wl{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const Hf=new WeakMap;class jf extends zs{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=Bs.OBJECT,this.updateAfterType=Bs.OBJECT,this.previousModelWorldMatrix=gn(new o),this.previousProjectionMatrix=gn(new o).setGroup(cn),this.previousCameraViewMatrix=gn(new o)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=Xf(r);this.previousModelWorldMatrix.value.copy(s);const i=qf(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new o,i.previousCameraViewMatrix=new o,i.currentProjectionMatrix=new o,i.currentCameraViewMatrix=new o,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){Xf(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?ju:gn(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(hl).mul(yl),s=this.previousProjectionMatrix.mul(t).mul(xl),i=r.xy.div(r.w),n=s.xy.div(s.w);return Zn(i,n)}}function qf(e){let t=Hf.get(e);return void 0===t&&(t={},Hf.set(e,t)),t}function Xf(e,t=0){const r=qf(e);let s=r[t];return void 0===s&&(r[t]=s=new o),s}const Kf=Mi(jf),Yf=Bi((([e,t])=>na(1,e.oneMinus().div(t)).oneMinus())).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Qf=Bi((([e,t])=>na(e.div(t.oneMinus()),1))).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Zf=Bi((([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus())).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),Jf=Bi((([e,t])=>_a(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),ua(.5,e)))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),ey=Bi((([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return Ki(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)})).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),ty=Bi((([e])=>ny(e.rgb))),ry=Bi((([e,t=Di(1)])=>t.mix(ny(e.rgb),e.rgb))),sy=Bi((([e,t=Di(1)])=>{const r=Qn(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return _a(e.rgb,s,i)})),iy=Bi((([e,t=Di(1)])=>{const r=Hi(.57735,.57735,.57735),s=t.cos();return Hi(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(ha(r,e.rgb).mul(s.oneMinus())))))})),ny=(e,t=Hi(c.getLuminanceCoefficients(new r)))=>ha(e,t),oy=Bi((([e,t=Hi(1),s=Hi(0),i=Hi(1),n=Di(1),o=Hi(c.getLuminanceCoefficients(new r,Ee))])=>{const a=e.rgb.dot(Hi(o)),u=oa(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return Pi(u.r.greaterThan(0),(()=>{u.r.assign(l.r)})),Pi(u.g.greaterThan(0),(()=>{u.g.assign(l.g)})),Pi(u.b.greaterThan(0),(()=>{u.b.assign(l.b)})),u.assign(a.add(u.sub(a).mul(n))),Ki(u.rgb,e.a)}));class ay extends zs{static get type(){return"PosterizeNode"}constructor(e,t){super(),this.sourceNode=e,this.stepsNode=t}setup(){const{sourceNode:e,stepsNode:t}=this;return e.mul(t).floor().div(t)}}const uy=wi(ay),ly=new t;class dy extends Iu{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.setUpdateMatrix(!1)}setup(e){return e.object.isQuadMesh&&this.passNode.build(e),super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class cy extends dy{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){return new this.constructor(this.passNode,this.textureName,this.previousTexture)}}class hy extends zs{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._pixelRatio=1,this._width=1,this._height=1;const i=new F;i.isRenderTargetTexture=!0,i.name="depth";const n=new ye(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:Te,...s});n.texture.name="output",n.depthTexture=i,this.renderTarget=n,this._textures={output:n.texture,depth:i},this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=gn(0),this._cameraFar=gn(0),this._mrt=null,this.isPassNode=!0,this.updateBeforeType=Bs.FRAME}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}isGlobal(){return!0}getTexture(e){let t=this._textures[e];if(void 0===t){t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=Ri(new cy(this,e)),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=Ri(new cy(this,e,!0)),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=sh(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=th(i,r,s)}return t}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,!0===e.backend.isWebGLBackend&&(this.renderTarget.samples=0),this.scope===hy.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r,camera:s}=this;this._pixelRatio=t.getPixelRatio();const i=t.getSize(ly);this.setSize(i.width,i.height);const n=t.getRenderTarget(),o=t.getMRT();this._cameraNear.value=s.near,this._cameraFar.value=s.far;for(const e in this._previousTextures)this.toggleTexture(e);t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.render(r,s),t.setRenderTarget(n),t.setMRT(o)}setSize(e,t){this._width=e,this._height=t;const r=this._width*this._pixelRatio,s=this._height*this._pixelRatio;this.renderTarget.setSize(r,s)}setPixelRatio(e){this._pixelRatio=e,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}hy.COLOR="color",hy.DEPTH="depth";class py extends hy{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(hy.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction(((e,r,s,i,n,o,a,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,o,a,u)}t.renderObject(e,r,s,i,n,o,a,u)})),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new gh;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=_;const t=Cl.negate(),r=ju.mul(hl),s=Di(1),i=r.mul(Ki(yl,1)),n=r.mul(Ki(yl.add(t),1)),o=Do(i.sub(n));return e.vertexNode=i.add(o.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=Ki(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const gy=Bi((([e,t])=>e.mul(t).clamp())).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),my=Bi((([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp())).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),fy=Bi((([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)})).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),yy=Bi((([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)})),xy=Bi((([e,t])=>{const r=en(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=en(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=yy(e),(e=s.mul(e)).clamp()})).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),by=en(Hi(1.6605,-.1246,-.0182),Hi(-.5876,1.1329,-.1006),Hi(-.0728,-.0083,1.1187)),Ty=en(Hi(.6274,.0691,.0164),Hi(.3293,.9195,.088),Hi(.0433,.0113,.8956)),_y=Bi((([e])=>{const t=Hi(e).toVar(),r=Hi(t.mul(t)).toVar(),s=Hi(r.mul(r)).toVar();return Di(15.5).mul(s.mul(r)).sub(Jn(40.14,s.mul(t))).add(Jn(31.96,s).sub(Jn(6.868,r.mul(t))).add(Jn(.4298,r).add(Jn(.1191,t).sub(.00232))))})),vy=Bi((([e,t])=>{const r=Hi(e).toVar(),s=en(Hi(.856627153315983,.137318972929847,.11189821299995),Hi(.0951212405381588,.761241990602591,.0767994186031903),Hi(.0482516061458583,.101439036467562,.811302368396859)),i=en(Hi(1.1271005818144368,-.1413297634984383,-.14132976349843826),Hi(-.11060664309660323,1.157823702216272,-.11060664309660294),Hi(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=Di(-12.47393),o=Di(4.026069);return r.mulAssign(t),r.assign(Ty.mul(r)),r.assign(s.mul(r)),r.assign(oa(r,1e-10)),r.assign(Fo(r)),r.assign(r.sub(n).div(o.sub(n))),r.assign(va(r,0,1)),r.assign(_y(r)),r.assign(i.mul(r)),r.assign(ga(oa(Hi(0),r),Hi(2.2))),r.assign(by.mul(r)),r.assign(va(r,0,1)),r})).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),Ny=Bi((([e,t])=>{const r=Di(.76),s=Di(.15);e=e.mul(t);const i=na(e.r,na(e.g,e.b)),n=Pa(i.lessThan(.08),i.sub(Jn(6.25,i.mul(i))),.04);e.subAssign(n);const o=oa(e.r,oa(e.g,e.b));Pi(o.lessThan(r),(()=>e));const a=Zn(1,r),u=Zn(1,a.mul(a).div(o.add(a.sub(r))));e.mulAssign(u.div(o));const l=Zn(1,eo(1,s.mul(o.sub(u)).add(1)));return _a(e,Hi(u),l)})).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class Sy extends Os{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.code=e,this.includes=t,this.language=r}isGlobal(){return!0}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const Ay=wi(Sy);class Ry extends Sy{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}getNodeType(e){return this.getNodeFunction(e).type}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const o=e.getPropertyName(n),a=this.getNodeFunction(e).getCode(o);return n.code=a+"\n","property"===t?o:e.format(`${o}()`,i,t)}}const Cy=(e,t=[],r="")=>{for(let e=0;e<t.length;e++){const r=t[e];"function"==typeof r&&(t[e]=r.functionNode)}const s=Ri(new Ry(e,t,r)),i=(...e)=>s.call(...e);return i.functionNode=s,i};class Ey extends Os{static get type(){return"ScriptableValueNode"}constructor(e=null){super(),this._value=e,this._cache=null,this.inputType=null,this.outputType=null,this.events=new a,this.isScriptableValueNode=!0}get isScriptableOutputNode(){return null!==this.outputType}set value(e){this._value!==e&&(this._cache&&"URL"===this.inputType&&this.value.value instanceof ArrayBuffer&&(URL.revokeObjectURL(this._cache),this._cache=null),this._value=e,this.events.dispatchEvent({type:"change"}),this.refresh())}get value(){return this._value}refresh(){this.events.dispatchEvent({type:"refresh"})}getValue(){const e=this.value;if(e&&null===this._cache&&"URL"===this.inputType&&e.value instanceof ArrayBuffer)this._cache=URL.createObjectURL(new Blob([e.value]));else if(e&&null!==e.value&&void 0!==e.value&&(("URL"===this.inputType||"String"===this.inputType)&&"string"==typeof e.value||"Number"===this.inputType&&"number"==typeof e.value||"Vector2"===this.inputType&&e.value.isVector2||"Vector3"===this.inputType&&e.value.isVector3||"Vector4"===this.inputType&&e.value.isVector4||"Color"===this.inputType&&e.value.isColor||"Matrix3"===this.inputType&&e.value.isMatrix3||"Matrix4"===this.inputType&&e.value.isMatrix4))return e.value;return this._cache||e}getNodeType(e){return this.value&&this.value.isNode?this.value.getNodeType(e):"float"}setup(){return this.value&&this.value.isNode?this.value:Di()}serialize(e){super.serialize(e),null!==this.value?"ArrayBuffer"===this.inputType?e.value=Cs(this.value):e.value=this.value?this.value.toJSON(e.meta).uuid:null:e.value=null,e.inputType=this.inputType,e.outputType=this.outputType}deserialize(e){super.deserialize(e);let t=null;null!==e.value&&(t="ArrayBuffer"===e.inputType?Es(e.value):"Texture"===e.inputType?e.meta.textures[e.value]:e.meta.nodes[e.value]||null),this.value=t,this.inputType=e.inputType,this.outputType=e.outputType}}const wy=wi(Ey);class My extends Map{get(e,t=null,...r){if(this.has(e))return super.get(e);if(null!==t){const s=t(...r);return this.set(e,s),s}}}class By{constructor(e){this.scriptableNode=e}get parameters(){return this.scriptableNode.parameters}get layout(){return this.scriptableNode.getLayout()}getInputLayout(e){return this.scriptableNode.getInputLayout(e)}get(e){const t=this.parameters[e];return t?t.getValue():null}}const Fy=new My;class Uy extends Os{static get type(){return"ScriptableNode"}constructor(e=null,t={}){super(),this.codeNode=e,this.parameters=t,this._local=new My,this._output=wy(),this._outputs={},this._source=this.source,this._method=null,this._object=null,this._value=null,this._needsOutputUpdate=!0,this.onRefresh=this.onRefresh.bind(this),this.isScriptableNode=!0}get source(){return this.codeNode?this.codeNode.code:""}setLocal(e,t){return this._local.set(e,t)}getLocal(e){return this._local.get(e)}onRefresh(){this._refresh()}getInputLayout(e){for(const t of this.getLayout())if(t.inputType&&(t.id===e||t.name===e))return t}getOutputLayout(e){for(const t of this.getLayout())if(t.outputType&&(t.id===e||t.name===e))return t}setOutput(e,t){const r=this._outputs;return void 0===r[e]?r[e]=wy(t):r[e].value=t,this}getOutput(e){return this._outputs[e]}getParameter(e){return this.parameters[e]}setParameter(e,t){const r=this.parameters;return t&&t.isScriptableNode?(this.deleteParameter(e),r[e]=t,r[e].getDefaultOutput().events.addEventListener("refresh",this.onRefresh)):t&&t.isScriptableValueNode?(this.deleteParameter(e),r[e]=t,r[e].events.addEventListener("refresh",this.onRefresh)):void 0===r[e]?(r[e]=wy(t),r[e].events.addEventListener("refresh",this.onRefresh)):r[e].value=t,this}getValue(){return this.getDefaultOutput().getValue()}deleteParameter(e){let t=this.parameters[e];return t&&(t.isScriptableNode&&(t=t.getDefaultOutput()),t.events.removeEventListener("refresh",this.onRefresh)),this}clearParameters(){for(const e of Object.keys(this.parameters))this.deleteParameter(e);return this.needsUpdate=!0,this}call(e,...t){const r=this.getObject()[e];if("function"==typeof r)return r(...t)}async callAsync(e,...t){const r=this.getObject()[e];if("function"==typeof r)return"AsyncFunction"===r.constructor.name?await r(...t):r(...t)}getNodeType(e){return this.getDefaultOutputNode().getNodeType(e)}refresh(e=null){null!==e?this.getOutput(e).refresh():this._refresh()}getObject(){if(this.needsUpdate&&this.dispose(),null!==this._object)return this._object;const e=new By(this),t=Fy.get("THREE"),r=Fy.get("TSL"),s=this.getMethod(),i=[e,this._local,Fy,()=>this.refresh(),(e,t)=>this.setOutput(e,t),t,r];this._object=s(...i);const n=this._object.layout;if(n&&(!1===n.cache&&this._local.clear(),this._output.outputType=n.outputType||null,Array.isArray(n.elements)))for(const e of n.elements){const t=e.id||e.name;e.inputType&&(void 0===this.getParameter(t)&&this.setParameter(t,null),this.getParameter(t).inputType=e.inputType),e.outputType&&(void 0===this.getOutput(t)&&this.setOutput(t,null),this.getOutput(t).outputType=e.outputType)}return this._object}deserialize(e){super.deserialize(e);for(const e in this.parameters){let t=this.parameters[e];t.isScriptableNode&&(t=t.getDefaultOutput()),t.events.addEventListener("refresh",this.onRefresh)}}getLayout(){return this.getObject().layout}getDefaultOutputNode(){const e=this.getDefaultOutput().value;return e&&e.isNode?e:Di()}getDefaultOutput(){return this._exec()._output}getMethod(){if(this.needsUpdate&&this.dispose(),null!==this._method)return this._method;const e=["layout","init","main","dispose"].join(", "),t="\nreturn { ...output, "+e+" };",r="var "+e+"; var output = {};\n"+this.codeNode.code+t;return this._method=new Function(...["parameters","local","global","refresh","setOutput","THREE","TSL"],r),this._method}dispose(){null!==this._method&&(this._object&&"function"==typeof this._object.dispose&&this._object.dispose(),this._method=null,this._object=null,this._source=null,this._value=null,this._needsOutputUpdate=!0,this._output.value=null,this._outputs={})}setup(){return this.getDefaultOutputNode()}getCacheKey(e){const t=[gs(this.source),this.getDefaultOutputNode().getCacheKey(e)];for(const r in this.parameters)t.push(this.parameters[r].getCacheKey(e));return ms(t)}set needsUpdate(e){!0===e&&this.dispose()}get needsUpdate(){return this.source!==this._source}_exec(){return null===this.codeNode||(!0===this._needsOutputUpdate&&(this._value=this.call("main"),this._needsOutputUpdate=!1),this._output.value=this._value),this}_refresh(){this.needsUpdate=!0,this._exec(),this._output.refresh()}}const Py=wi(Uy);function Iy(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||_l.z).negate()}const Ly=Bi((([e,t],r)=>{const s=Iy(r);return Aa(e,t,s)})),Dy=Bi((([e],t)=>{const r=Iy(t);return e.mul(e,r,r).negate().exp().oneMinus()})),Vy=Bi((([e,t])=>Ki(t.toFloat().mix(Ln.rgb,e.toVec3()),Ln.a)));let Oy=null,Gy=null;class ky extends Os{static get type(){return"RangeNode"}constructor(e=Di(),t=Di()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=e.getTypeLength(Ss(this.minNode.value)),r=e.getTypeLength(Ss(this.maxNode.value));return t>r?t:r}getNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.minNode.value,n=this.maxNode.value,o=e.getTypeLength(Ss(i)),a=e.getTypeLength(Ss(n));Oy=Oy||new s,Gy=Gy||new s,Oy.setScalar(0),Gy.setScalar(0),1===o?Oy.setScalar(i):i.isColor?Oy.set(i.r,i.g,i.b,1):Oy.set(i.x,i.y,i.z||0,i.w||0),1===a?Gy.setScalar(n):n.isColor?Gy.set(n.r,n.g,n.b,1):Gy.set(n.x,n.y,n.z||0,n.w||0);const l=4,d=l*t.count,c=new Float32Array(d);for(let e=0;e<d;e++){const t=e%l,r=Oy.getComponent(t),s=Gy.getComponent(t);c[e]=u.lerp(r,s,Math.random())}const h=this.getNodeType(e);if(t.count<=4096)r=Ou(c,"vec4",t.count).element(ac).convert(h);else{const t=new C(c,4);e.geometry.setAttribute("__range"+this.id,t),r=hu(t).convert(h)}}else r=Di(0);return r}}const zy=wi(ky);class $y extends Os{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}getNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(console.warn(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const Wy=(e,t)=>Ri(new $y(e,t)),Hy=Wy("numWorkgroups","uvec3"),jy=Wy("workgroupId","uvec3"),qy=Wy("globalId","uvec3"),Xy=Wy("localId","uvec3"),Ky=Wy("subgroupSize","uint");const Yy=wi(class extends Os{constructor(e){super(),this.scope=e}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}});class Qy extends Gs{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.context.assign;if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class Zy extends Os{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e}label(e){return this.name=e,this}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return Ri(new Qy(this,e))}generate(e){return e.getScopedArray(this.name||`${this.scope}Array_${this.id}`,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class Jy extends zs{static get type(){return"AtomicFunctionNode"}constructor(e,t,r,s=null){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.storeNode=s}getInputType(e){return this.pointerNode.getNodeType(e)}getNodeType(e){return this.getInputType(e)}generate(e){const t=this.method,r=this.getNodeType(e),s=this.getInputType(e),i=this.pointerNode,n=this.valueNode,o=[];o.push(`&${i.build(e,s)}`),null!==n&&o.push(n.build(e,s));const a=`${e.getMethod(t,r)}( ${o.join(", ")} )`;if(null!==this.storeNode){const t=this.storeNode.build(e,s);e.addLineFlowCode(`${t} = ${a}`,this)}else e.addLineFlowCode(a,this)}}Jy.ATOMIC_LOAD="atomicLoad",Jy.ATOMIC_STORE="atomicStore",Jy.ATOMIC_ADD="atomicAdd",Jy.ATOMIC_SUB="atomicSub",Jy.ATOMIC_MAX="atomicMax",Jy.ATOMIC_MIN="atomicMin",Jy.ATOMIC_AND="atomicAnd",Jy.ATOMIC_OR="atomicOr",Jy.ATOMIC_XOR="atomicXor";const ex=wi(Jy),tx=(e,t,r,s=null)=>{const i=ex(e,t,r,s);return i.append(),i};let rx;function sx(e){rx=rx||new WeakMap;let t=rx.get(e);return void 0===t&&rx.set(e,t={}),t}function ix(e){const t=sx(e);return t.shadowMatrix||(t.shadowMatrix=gn("mat4").setGroup(cn).onRenderUpdate((()=>(!0!==e.castShadow&&e.shadow.updateMatrices(e),e.shadow.matrix))))}function nx(e){const t=sx(e);if(void 0===t.projectionUV){const r=ix(e).mul(bl);t.projectionUV=r.xyz.div(r.w)}return t.projectionUV}function ox(e){const t=sx(e);return t.position||(t.position=gn(new r).setGroup(cn).onRenderUpdate(((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld))))}function ax(e){const t=sx(e);return t.targetPosition||(t.targetPosition=gn(new r).setGroup(cn).onRenderUpdate(((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld))))}function ux(e){const t=sx(e);return t.viewPosition||(t.viewPosition=gn(new r).setGroup(cn).onRenderUpdate((({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)})))}const lx=e=>Xu.transformDirection(ox(e).sub(ax(e))),dx=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},cx=new WeakMap;class hx extends Os{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=Hi().toVar("totalDiffuse"),this.totalSpecularNode=Hi().toVar("totalSpecular"),this.outgoingLightNode=Hi().toVar("outgoingLight"),this._lights=[],this._lightNodes=null,this._lightNodesHash=null,this.global=!0}customCacheKey(){const e=[],t=this._lights;for(let r=0;r<t.length;r++)e.push(t[r].id);return ms(e)}getHash(e){if(null===this._lightNodesHash){null===this._lightNodes&&this.setupLightsNode(e);const t=[];for(const e of this._lightNodes)t.push(e.getSelf().getHash());this._lightNodesHash="lights-"+t.join(",")}return this._lightNodesHash}analyze(e){const t=e.getDataFromNode(this);for(const r of t.nodes)r.build(e)}setupLightsNode(e){const t=[],r=this._lightNodes,s=(e=>e.sort(((e,t)=>e.id-t.id)))(this._lights),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(Ri(e));else{let s=null;if(null!==r&&(s=dx(e.id,r)),null===s){const r=i.getLightNodeClass(e.constructor);if(null===r){console.warn(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}let s=null;cx.has(e)?s=cx.get(e):(s=Ri(new r(e)),cx.set(e,s)),t.push(s)}}this._lightNodes=t}setupLights(e,t){for(const r of t)r.build(e)}setup(e){null===this._lightNodes&&this.setupLightsNode(e);const t=e.context,r=t.lightingModel;let s=this.outgoingLightNode;if(r){const{_lightNodes:i,totalDiffuseNode:n,totalSpecularNode:o}=this;t.outgoingLight=s;const a=e.addStack();e.getDataFromNode(this).nodes=a.nodes,r.start(t,a,e),this.setupLights(e,i),r.indirect(t,a,e);const{backdrop:u,backdropAlpha:l}=t,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=t.reflectedLight;let g=d.add(h);null!==u&&(g=Hi(null!==l?l.mix(g,u):u),t.material.transparent=!0),n.assign(g),o.assign(c.add(p)),s.assign(n.add(o)),r.finish(t,a,e),s=s.bypass(e.removeStack())}return s}setLights(e){return this._lights=e,this._lightNodes=null,this._lightNodesHash=null,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class px extends Os{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=Bs.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({material:e}){gx.assign(e.shadowPositionNode||bl)}dispose(){this.updateBeforeType=Bs.NONE}}const gx=Hi().toVar("shadowPositionWorld");function mx(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function fx(e,t){return t=mx(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function yx(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function xx(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function bx(e,t){return t=xx(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function Tx(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function _x(e,t,r){return r=bx(t,r=fx(e,r))}function vx(e,t,r){yx(e,r),Tx(t,r)}var Nx=Object.freeze({__proto__:null,resetRendererAndSceneState:_x,resetRendererState:fx,resetSceneState:bx,restoreRendererAndSceneState:vx,restoreRendererState:yx,restoreSceneState:Tx,saveRendererAndSceneState:function(e,t,r={}){return r=xx(t,r=mx(e,r))},saveRendererState:mx,saveSceneState:xx});const Sx=new WeakMap,Ax=Bi((([e,t,r])=>{let s=bl.sub(e).length();return s=s.sub(t).div(r.sub(t)),s=s.saturate(),s})),Rx=e=>{let t=Sx.get(e);if(void 0===t){const r=e.isPointLight?(e=>{const t=e.shadow.camera,r=Hl("near","float",t).setGroup(cn),s=Hl("far","float",t).setGroup(cn),i=tl(e);return Ax(i,r,s)})(e):null;t=new gh,t.colorNode=Ki(0,0,0,1),t.depthNode=r,t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.fog=!1,Sx.set(e,t)}return t},Cx=Bi((({depthTexture:e,shadowCoord:t})=>Lu(e,t.xy).compare(t.z))),Ex=Bi((({depthTexture:e,shadowCoord:t,shadow:r})=>{const s=(t,r)=>Lu(e,t).compare(r),i=Hl("mapSize","vec2",r).setGroup(cn),n=Hl("radius","float",r).setGroup(cn),o=ki(1).div(i),a=o.x.negate().mul(n),u=o.y.negate().mul(n),l=o.x.mul(n),d=o.y.mul(n),c=a.div(2),h=u.div(2),p=l.div(2),g=d.div(2);return Qn(s(t.xy.add(ki(a,u)),t.z),s(t.xy.add(ki(0,u)),t.z),s(t.xy.add(ki(l,u)),t.z),s(t.xy.add(ki(c,h)),t.z),s(t.xy.add(ki(0,h)),t.z),s(t.xy.add(ki(p,h)),t.z),s(t.xy.add(ki(a,0)),t.z),s(t.xy.add(ki(c,0)),t.z),s(t.xy,t.z),s(t.xy.add(ki(p,0)),t.z),s(t.xy.add(ki(l,0)),t.z),s(t.xy.add(ki(c,g)),t.z),s(t.xy.add(ki(0,g)),t.z),s(t.xy.add(ki(p,g)),t.z),s(t.xy.add(ki(a,d)),t.z),s(t.xy.add(ki(0,d)),t.z),s(t.xy.add(ki(l,d)),t.z)).mul(1/17)})),wx=Bi((({depthTexture:e,shadowCoord:t,shadow:r})=>{const s=(t,r)=>Lu(e,t).compare(r),i=Hl("mapSize","vec2",r).setGroup(cn),n=ki(1).div(i),o=n.x,a=n.y,u=t.xy,l=Vo(u.mul(i).add(.5));return u.subAssign(l.mul(n)),Qn(s(u,t.z),s(u.add(ki(o,0)),t.z),s(u.add(ki(0,a)),t.z),s(u.add(n),t.z),_a(s(u.add(ki(o.negate(),0)),t.z),s(u.add(ki(o.mul(2),0)),t.z),l.x),_a(s(u.add(ki(o.negate(),a)),t.z),s(u.add(ki(o.mul(2),a)),t.z),l.x),_a(s(u.add(ki(0,a.negate())),t.z),s(u.add(ki(0,a.mul(2))),t.z),l.y),_a(s(u.add(ki(o,a.negate())),t.z),s(u.add(ki(o,a.mul(2))),t.z),l.y),_a(_a(s(u.add(ki(o.negate(),a.negate())),t.z),s(u.add(ki(o.mul(2),a.negate())),t.z),l.x),_a(s(u.add(ki(o.negate(),a.mul(2))),t.z),s(u.add(ki(o.mul(2),a.mul(2))),t.z),l.x),l.y)).mul(1/9)})),Mx=Bi((({depthTexture:e,shadowCoord:t})=>{const r=Di(1).toVar(),s=Lu(e).sample(t.xy).rg,i=ua(t.z,s.x);return Pi(i.notEqual(Di(1)),(()=>{const e=t.z.sub(s.x),n=oa(0,s.y.mul(s.y));let o=n.div(n.add(e.mul(e)));o=va(Zn(o,.3).div(.95-.3)),r.assign(va(oa(i,o)))})),r})),Bx=Bi((({samples:e,radius:t,size:r,shadowPass:s})=>{const i=Di(0).toVar(),n=Di(0).toVar(),o=e.lessThanEqual(Di(1)).select(Di(0),Di(2).div(e.sub(1))),a=e.lessThanEqual(Di(1)).select(Di(0),Di(-1));vc({start:Vi(0),end:Vi(e),type:"int",condition:"<"},(({i:e})=>{const u=a.add(Di(e).mul(o)),l=s.sample(Qn(Oc.xy,ki(0,u).mul(t)).div(r)).x;i.addAssign(l),n.addAssign(l.mul(l))})),i.divAssign(e),n.divAssign(e);const u=Uo(n.sub(i.mul(i)));return ki(i,u)})),Fx=Bi((({samples:e,radius:t,size:r,shadowPass:s})=>{const i=Di(0).toVar(),n=Di(0).toVar(),o=e.lessThanEqual(Di(1)).select(Di(0),Di(2).div(e.sub(1))),a=e.lessThanEqual(Di(1)).select(Di(0),Di(-1));vc({start:Vi(0),end:Vi(e),type:"int",condition:"<"},(({i:e})=>{const u=a.add(Di(e).mul(o)),l=s.sample(Qn(Oc.xy,ki(u,0).mul(t)).div(r));i.addAssign(l.x),n.addAssign(Qn(l.y.mul(l.y),l.x.mul(l.x)))})),i.divAssign(e),n.divAssign(e);const u=Uo(n.sub(i.mul(i)));return ki(i,u)})),Ux=[Cx,Ex,wx,Mx];let Px;const Ix=new Tf;class Lx extends px{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this.isShadowNode=!0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){const n=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i});return n.select(o,Di(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=Hl("bias","float",r).setGroup(cn);let n,o=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)o=o.xyz.div(o.w),n=o.z,s.coordinateSystem===d&&(n=n.mul(2).sub(1));else{const e=o.w;o=o.xy.div(e);const t=Hl("near","float",r.camera).setGroup(cn),s=Hl("far","float",r.camera).setGroup(cn);n=ih(e.negate(),t,s)}return o=Hi(o.x,o.y.oneMinus(),n.add(i)),o}getShadowFilterFn(e){return Ux[e]}setupShadow(e){const{renderer:t}=e,{light:r,shadow:s}=this,i=t.shadowMap.type,n=new F(s.mapSize.width,s.mapSize.height);n.compareFunction=we;const o=e.createRenderTarget(s.mapSize.width,s.mapSize.height);if(o.depthTexture=n,s.camera.updateProjectionMatrix(),i===Me){n.compareFunction=null,this.vsmShadowMapVertical=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Be,type:Te}),this.vsmShadowMapHorizontal=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Be,type:Te});const t=Lu(n),r=Lu(this.vsmShadowMapVertical.texture),i=Hl("blurSamples","float",s).setGroup(cn),o=Hl("radius","float",s).setGroup(cn),a=Hl("mapSize","vec2",s).setGroup(cn);let u=this.vsmMaterialVertical||(this.vsmMaterialVertical=new gh);u.fragmentNode=Bx({samples:i,radius:o,size:a,shadowPass:t}).context(e.getSharedContext()),u.name="VSMVertical",u=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new gh),u.fragmentNode=Fx({samples:i,radius:o,size:a,shadowPass:r}).context(e.getSharedContext()),u.name="VSMHorizontal"}const a=Hl("intensity","float",s).setGroup(cn),u=Hl("normalBias","float",s).setGroup(cn),l=ix(r).mul(gx.add(Fl.mul(u))),d=this.setupShadowCoord(e,l),c=s.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===c)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const h=i===Me?this.vsmShadowMapHorizontal.texture:n,p=this.setupShadowFilter(e,{filterFn:c,shadowTexture:o.texture,depthTexture:h,shadowCoord:d,shadow:s}),g=Lu(o.texture,d),m=_a(1,p.rgb.mix(g,1),a.mul(g.a)).toVar();return this.shadowMap=o,this.shadow.map=o,m}setup(e){if(!1!==e.renderer.shadowMap.enabled)return Bi((()=>{let t=this._node;return this.setupShadowPosition(e),null===t&&(this._node=t=this.setupShadow(e)),e.material.shadowNode&&console.warn('THREE.NodeMaterial: ".shadowNode" is deprecated. Use ".castShadowNode" instead.'),e.material.receivedShadowNode&&(t=e.material.receivedShadowNode(t)),t}))()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height),i.render(n,t.camera)}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:o}=e,a=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u,s.camera.layers.mask=o.layers.mask;const l=i.getRenderObjectFunction(),d=i.getMRT(),c=!!d&&d.has("velocity");Px=_x(i,n,Px),n.overrideMaterial=Rx(r),i.setRenderObjectFunction(((e,t,r,n,u,l,...d)=>{(!0===e.castShadow||e.receiveShadow&&a===Me)&&(c&&(Rs(e).useVelocity=!0),e.onBeforeShadow(i,e,o,s.camera,n,t.overrideMaterial,l),i.renderObject(e,t,r,n,u,l,...d),e.onAfterShadow(i,e,o,s.camera,n,t.overrideMaterial,l))})),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(l),!0!==r.isPointLight&&a===Me&&this.vsmPass(i),vx(i,n,Px)}vsmPass(e){const{shadow:t}=this;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height),e.setRenderTarget(this.vsmShadowMapVertical),Ix.material=this.vsmMaterialVertical,Ix.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),Ix.material=this.vsmMaterialHorizontal,Ix.render(e)}dispose(){this.shadowMap.dispose(),this.shadowMap=null,null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null),super.dispose()}updateBefore(e){const{shadow:t}=this;(t.needsUpdate||t.autoUpdate)&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const Dx=(e,t)=>Ri(new Lx(e,t));class Vx extends wc{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||gn(this.color).setGroup(cn),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=Bs.FRAME}customCacheKey(){return fs(this.light.id,this.light.castShadow?1:0)}getHash(){return this.light.uuid}setupShadowNode(){return Dx(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const t=this.light.shadow.shadowNode;let s;s=void 0!==t?Ri(t):this.setupShadowNode(e),this.shadowNode=s,this.shadowColorNode=r=this.colorNode.mul(s),this.baseColorNode=this.colorNode}this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const Ox=Bi((e=>{const{lightDistance:t,cutoffDistance:r,decayExponent:s}=e,i=t.pow(s).max(.01).reciprocal();return r.greaterThan(0).select(i.mul(t.div(r).pow4().oneMinus().clamp().pow2()),i)})),Gx=new e,kx=Bi((([e,t])=>{const r=e.toVar(),s=Ho(r),i=eo(1,oa(s.x,oa(s.y,s.z)));s.mulAssign(i),r.mulAssign(i.mul(t.mul(2).oneMinus()));const n=ki(r.xy).toVar(),o=t.mul(1.5).oneMinus();return Pi(s.z.greaterThanEqual(o),(()=>{Pi(r.z.greaterThan(0),(()=>{n.x.assign(Zn(4,r.x))}))})).ElseIf(s.x.greaterThanEqual(o),(()=>{const e=jo(r.x);n.x.assign(r.z.mul(e).add(e.mul(2)))})).ElseIf(s.y.greaterThanEqual(o),(()=>{const e=jo(r.y);n.x.assign(r.x.add(e.mul(2)).add(2)),n.y.assign(r.z.mul(e).sub(2))})),ki(.125,.25).mul(n).add(ki(.375,.75)).flipY()})).setLayout({name:"cubeToUV",type:"vec2",inputs:[{name:"pos",type:"vec3"},{name:"texelSizeY",type:"float"}]}),zx=Bi((({depthTexture:e,bd3D:t,dp:r,texelSize:s})=>Lu(e,kx(t,s.y)).compare(r))),$x=Bi((({depthTexture:e,bd3D:t,dp:r,texelSize:s,shadow:i})=>{const n=Hl("radius","float",i).setGroup(cn),o=ki(-1,1).mul(n).mul(s.y);return Lu(e,kx(t.add(o.xyy),s.y)).compare(r).add(Lu(e,kx(t.add(o.yyy),s.y)).compare(r)).add(Lu(e,kx(t.add(o.xyx),s.y)).compare(r)).add(Lu(e,kx(t.add(o.yyx),s.y)).compare(r)).add(Lu(e,kx(t,s.y)).compare(r)).add(Lu(e,kx(t.add(o.xxy),s.y)).compare(r)).add(Lu(e,kx(t.add(o.yxy),s.y)).compare(r)).add(Lu(e,kx(t.add(o.xxx),s.y)).compare(r)).add(Lu(e,kx(t.add(o.yxx),s.y)).compare(r)).mul(1/9)})),Wx=Bi((({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s})=>{const i=r.xyz.toVar(),n=i.length(),o=gn("float").setGroup(cn).onRenderUpdate((()=>s.camera.near)),a=gn("float").setGroup(cn).onRenderUpdate((()=>s.camera.far)),u=Hl("bias","float",s).setGroup(cn),l=gn(s.mapSize).setGroup(cn),d=Di(1).toVar();return Pi(n.sub(a).lessThanEqual(0).and(n.sub(o).greaterThanEqual(0)),(()=>{const r=n.sub(o).div(a.sub(o)).toVar();r.addAssign(u);const c=i.normalize(),h=ki(1).div(l.mul(ki(4,2)));d.assign(e({depthTexture:t,bd3D:c,dp:r,texelSize:h,shadow:s}))})),d})),Hx=new s,jx=new t,qx=new t;class Xx extends Lx{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===Fe?zx:$x}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,shadowTexture:r,depthTexture:s,shadowCoord:i,shadow:n}){return Wx({filterFn:t,shadowTexture:r,depthTexture:s,shadowCoord:i,shadow:n})}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,o=t.getFrameExtents();qx.copy(t.mapSize),qx.multiply(o),r.setSize(qx.width,qx.height),jx.copy(t.mapSize);const a=i.autoClear,u=i.getClearColor(Gx),l=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha),i.clear();const d=t.getViewportCount();for(let e=0;e<d;e++){const o=t.getViewport(e),a=jx.x*o.x,u=qx.y-jx.y-jx.y*o.y;Hx.set(a,u,jx.x*o.z,jx.y*o.w),r.viewport.copy(Hx),t.updateMatrices(s,e),i.render(n,t.camera)}i.autoClear=a,i.setClearColor(u,l)}}const Kx=Bi((({color:e,lightViewPosition:t,cutoffDistance:r,decayExponent:s},i)=>{const n=i.context.lightingModel,o=t.sub(_l),a=o.normalize(),u=o.length(),l=Ox({lightDistance:u,cutoffDistance:r,decayExponent:s}),d=e.mul(l),c=i.context.reflectedLight;n.direct({lightDirection:a,lightColor:d,reflectedLight:c},i.stack,i)}));class Yx extends Vx{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=gn(0).setGroup(cn),this.decayExponentNode=gn(2).setGroup(cn)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return((e,t)=>Ri(new Xx(e,t)))(this.light)}setup(e){super.setup(e),Kx({color:this.colorNode,lightViewPosition:ux(this.light),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode}).append()}}const Qx=Bi((([e=t()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()})),Zx=Bi((([e=Mu()],{renderer:t,material:r})=>{const s=Di(1).toVar(),i=Ta(e.mul(2).sub(1));if(r.alphaToCoverage&&t.samples>1){const e=Di(i.fwidth()).toVar();s.assign(Aa(e.oneMinus(),e.add(1),i).oneMinus())}else i.greaterThan(1).discard();return s})),Jx=Bi((([e,t,r])=>{const s=Di(r).toVar(),i=Di(t).toVar(),n=Gi(e).toVar();return 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Use "blendDodge" instead.'),Qf(e)),dot:ha,drawIndex:cc,dynamicBufferAttribute:cu,element:rn,emissive:bn,equal:ro,equals:ia,equirectUV:Eh,exp:wo,exp2:Mo,expression:Su,faceDirection:Al,faceForward:Ra,faceforward:Ba,float:Di,floor:Io,fog:Vy,fract:Vo,frameGroup:dn,frameId:Hm,frontFacing:Sl,fwidth:ta,gain:(e,t)=>e.lessThan(.5)?Lm(e.mul(2),t).div(2):Zn(1,Lm(Jn(Zn(1,e),2),t).div(2)),gapSize:Vn,getConstNodeType:Si,getCurrentStack:Ui,getDirection:eg,getDistanceAttenuation:Ox,getGeometryRoughness:Yh,getNormalFromDepth:Rf,getParallaxCorrectNormal:$b,getRoughness:Qh,getScreenPosition:Af,getShIrradianceAt:Wb,getTextureIndex:Fm,getViewPosition:Sf,globalId:qy,glsl:(e,t)=>Ay(e,t,"glsl"),glslFn:(e,t)=>Cy(e,t,"glsl"),grayscale:ty,greaterThan:no,greaterThanEqual:ao,hash:Im,highpModelNormalViewMatrix:ml,highpModelViewMatrix:gl,hue:iy,instance:pc,instanceIndex:ac,instancedArray:(e,t="float")=>{const r=Ns(t),s=vs(t),i=new Cf(e,r,s);return Ff(i,t,e)},instancedBufferAttribute:hu,instancedDynamicBufferAttribute:pu,instancedMesh:mc,int:Vi,inverseSqrt:Po,inversesqrt:Fa,invocationLocalIndex:dc,invocationSubgroupIndex:lc,ior:Gn,iridescence:Rn,iridescenceIOR:Cn,iridescenceThickness:En,ivec2:zi,ivec3:ji,ivec4:Yi,js:(e,t)=>Ay(e,t,"js"),label:Va,length:qo,lengthSq:Ta,lessThan:io,lessThanEqual:oo,lightPosition:ox,lightProjectionUV:nx,lightShadowMatrix:ix,lightTargetDirection:lx,lightTargetPosition:ax,lightViewPosition:ux,lightingContext:Fc,lights:(e=[])=>Ri(new hx).setLights(e),linearDepth:ah,linearToneMapping:gy,localId:Xy,log:Bo,log2:Fo,logarithmicDepthToViewZ:(e,t,r)=>{const s=e.mul(Bo(r.div(t)));return Di(Math.E).pow(s).mul(t).negate()},loop:(...e)=>(console.warn("TSL.LoopNode: loop() has been renamed to Loop()."),vc(...e)),luminance:ny,mat2:Ji,mat3:en,mat4:tn,matcapUV:Ag,materialAO:rc,materialAlphaTest:Td,materialAnisotropy:Od,materialAnisotropyVector:sc,materialAttenuationColor:qd,materialAttenuationDistance:jd,materialClearcoat:Ud,materialClearcoatNormal:Id,materialClearcoatRoughness:Pd,materialColor:_d,materialDispersion:ec,materialEmissive:Nd,materialIOR:Hd,materialIridescence:Gd,materialIridescenceIOR:kd,materialIridescenceThickness:zd,materialLightMap:tc,materialLineDashOffset:Zd,materialLineDashSize:Kd,materialLineGapSize:Yd,materialLineScale:Xd,materialLineWidth:Qd,materialMetalness:Bd,materialNormal:Fd,materialOpacity:Sd,materialPointSize:Jd,materialReference:Xl,materialReflectivity:wd,materialRefractionRatio:Ll,materialRotation:Ld,materialRoughness:Md,materialSheen:Dd,materialSheenRoughness:Vd,materialShininess:vd,materialSpecular:Ad,materialSpecularColor:Cd,materialSpecularIntensity:Rd,materialSpecularStrength:Ed,materialThickness:Wd,materialTransmission:$d,max:oa,maxMipLevel:Pu,mediumpModelViewMatrix:pl,metalness:_n,min:na,mix:_a,mixElement:Ea,mod:aa,modInt:to,modelDirection:nl,modelNormalMatrix:dl,modelPosition:al,modelScale:ul,modelViewMatrix:hl,modelViewPosition:ll,modelViewProjection:ic,modelWorldMatrix:ol,modelWorldMatrixInverse:cl,morphReference:Ec,mrt:Pm,mul:Jn,mx_aastep:Gb,mx_cell_noise_float:(e=Mu())=>Sb(e.convert("vec2|vec3")),mx_contrast:(e,t=1,r=.5)=>Di(e).sub(r).mul(t).add(r),mx_fractal_noise_float:(e=Mu(),t=3,r=2,s=.5,i=1)=>Rb(e,Vi(t),r,s).mul(i),mx_fractal_noise_vec2:(e=Mu(),t=3,r=2,s=.5,i=1)=>Eb(e,Vi(t),r,s).mul(i),mx_fractal_noise_vec3:(e=Mu(),t=3,r=2,s=.5,i=1)=>Cb(e,Vi(t),r,s).mul(i),mx_fractal_noise_vec4:(e=Mu(),t=3,r=2,s=.5,i=1)=>wb(e,Vi(t),r,s).mul(i),mx_hsvtorgb:Db,mx_noise_float:(e=Mu(),t=1,r=0)=>vb(e.convert("vec2|vec3")).mul(t).add(r),mx_noise_vec3:(e=Mu(),t=1,r=0)=>Nb(e.convert("vec2|vec3")).mul(t).add(r),mx_noise_vec4:(e=Mu(),t=1,r=0)=>{e=e.convert("vec2|vec3");return Ki(Nb(e),vb(e.add(ki(19,73)))).mul(t).add(r)},mx_ramplr:(e,t,r=Mu())=>kb(e,t,r,"x"),mx_ramptb:(e,t,r=Mu())=>kb(e,t,r,"y"),mx_rgbtohsv:Vb,mx_safepower:(e,t=1)=>(e=Di(e)).abs().pow(t).mul(e.sign()),mx_splitlr:(e,t,r,s=Mu())=>zb(e,t,r,s,"x"),mx_splittb:(e,t,r,s=Mu())=>zb(e,t,r,s,"y"),mx_srgb_texture_to_lin_rec709:Ob,mx_transform_uv:(e=1,t=0,r=Mu())=>r.mul(e).add(t),mx_worley_noise_float:(e=Mu(),t=1)=>Pb(e.convert("vec2|vec3"),t,Vi(1)),mx_worley_noise_vec2:(e=Mu(),t=1)=>Ib(e.convert("vec2|vec3"),t,Vi(1)),mx_worley_noise_vec3:(e=Mu(),t=1)=>Lb(e.convert("vec2|vec3"),t,Vi(1)),negate:Xo,neutralToneMapping:Ny,nodeArray:Ei,nodeImmutable:Mi,nodeObject:Ri,nodeObjects:Ci,nodeProxy:wi,normalFlat:El,normalGeometry:Rl,normalLocal:Cl,normalMap:pd,normalView:wl,normalWorld:Ml,normalize:Do,not:co,notEqual:so,numWorkgroups:Hy,objectDirection:Ju,objectGroup:hn,objectPosition:tl,objectScale:rl,objectViewPosition:sl,objectWorldMatrix:el,oneMinus:Ko,or:lo,orthographicDepthToViewZ:(e,t,r)=>t.sub(r).mul(e).sub(t),oscSawtooth:(e=$m)=>e.fract(),oscSine:(e=$m)=>e.add(.75).mul(2*Math.PI).sin().mul(.5).add(.5),oscSquare:(e=$m)=>e.fract().round(),oscTriangle:(e=$m)=>e.add(.5).fract().mul(2).sub(1).abs(),output:Ln,outputStruct:Bm,overlay:(...e)=>(console.warn('THREE.TSL: "overlay" has been renamed. Use "blendOverlay" instead.'),Jf(e)),overloadingFn:zm,parabola:Lm,parallaxDirection:ld,parallaxUV:(e,t)=>e.sub(ld.mul(t)),parameter:(e,t)=>Ri(new Cm(e,t)),pass:(e,t,r)=>Ri(new hy(hy.COLOR,e,t,r)),passTexture:(e,t)=>Ri(new dy(e,t)),pcurve:(e,t,r)=>ga(eo(ga(e,t),Qn(ga(e,t),ga(Zn(1,e),r))),1/t),perspectiveDepthToViewZ:sh,pmremTexture:lg,pointUV:If,pointWidth:On,positionGeometry:fl,positionLocal:yl,positionPrevious:xl,positionView:_l,positionViewDirection:vl,positionWorld:bl,positionWorldDirection:Tl,posterize:uy,pow:ga,pow2:ma,pow3:fa,pow4:ya,property:fn,radians:Co,rand:Ca,range:zy,rangeFog:function(e,t,r){return console.warn('THREE.TSL: "rangeFog( color, near, far )" is deprecated. Use "fog( color, rangeFogFactor( near, far ) )" instead.'),Vy(e,Ly(t,r))},rangeFogFactor:Ly,reciprocal:Jo,reference:Hl,referenceBuffer:jl,reflect:la,reflectVector:Ol,reflectView:Dl,reflector:e=>Ri(new mf(e)),refract:Sa,refractVector:Gl,refractView:Vl,reinhardToneMapping:my,remainder:bo,remap:_u,remapClamp:vu,renderGroup:cn,renderOutput:Cu,rendererReference:nu,rotate:wg,rotateUV:jm,roughness:Tn,round:Zo,rtt:Nf,sRGBTransferEOTF:qa,sRGBTransferOETF:Xa,sampler:e=>(!0===e.isNode?e:Lu(e)).convert("sampler"),saturate:Na,saturation:ry,screen:(...e)=>(console.warn('THREE.TSL: "screen" has been renamed. Use "blendScreen" instead.'),Zf(e)),screenCoordinate:Oc,screenSize:Vc,screenUV:Dc,scriptable:Py,scriptableValue:wy,select:Pa,setCurrentStack:Fi,shaderStages:Ls,shadow:Dx,shadowPositionWorld:gx,shapeCircle:Zx,sharedUniformGroup:ln,sheen:Sn,sheenRoughness:An,shiftLeft:yo,shiftRight:xo,shininess:In,sign:jo,sin:Oo,sinc:(e,t)=>Oo(No.mul(t.mul(e).sub(1))).div(No.mul(t.mul(e).sub(1))),skinning:e=>Ri(new bc(e)),skinningReference:Tc,smoothstep:Aa,smoothstepElement:wa,specularColor:Un,specularF90:Pn,spherizeUV:qm,split:(e,t)=>Ri(new Hs(Ri(e),t)),spritesheetUV:Qm,sqrt:Uo,stack:wm,step:ua,storage:Ff,storageBarrier:()=>Yy("storage").append(),storageObject:(e,t,r)=>(console.warn('THREE.TSL: "storageObject()" is deprecated. Use "storage().setPBO( true )" instead.'),Ff(e,t,r).setPBO(!0)),storageTexture:$f,string:(e="")=>Ri(new Ys(e,"string")),sub:Zn,subgroupIndex:uc,subgroupSize:Ky,tan:ko,tangentGeometry:Kl,tangentLocal:Yl,tangentView:Ql,tangentWorld:Zl,temp:$a,texture:Lu,texture3D:Og,textureBarrier:()=>Yy("texture").append(),textureBicubic:Sp,textureCubeUV:tg,textureLoad:Du,textureSize:Fu,textureStore:(e,t,r)=>{const s=$f(e,t,r);return null!==r&&s.append(),s},thickness:zn,time:$m,timerDelta:(e=1)=>(console.warn('TSL: timerDelta() is deprecated. Use "deltaTime" instead.'),Wm.mul(e)),timerGlobal:(e=1)=>(console.warn('TSL: timerGlobal() is deprecated. Use "time" instead.'),$m.mul(e)),timerLocal:(e=1)=>(console.warn('TSL: timerLocal() is deprecated. Use "time" instead.'),$m.mul(e)),toOutputColorSpace:Za,toWorkingColorSpace:Ja,toneMapping:au,toneMappingExposure:uu,toonOutlinePass:(t,r,s=new e(0,0,0),i=.003,n=1)=>Ri(new py(t,r,Ri(s),Ri(i),Ri(n))),transformDirection:xa,transformNormal:Pl,transformNormalToView:Il,transformedBentNormalView:dd,transformedBitangentView:od,transformedBitangentWorld:ad,transformedClearcoatNormalView:Ul,transformedNormalView:Bl,transformedNormalWorld:Fl,transformedTangentView:Jl,transformedTangentWorld:ed,transmission:kn,transpose:ra,triNoise3D:Om,triplanarTexture:(...e)=>Jm(...e),triplanarTextures:Jm,trunc:ea,tslFn:(...e)=>(console.warn("TSL.ShaderNode: tslFn() has been renamed to Fn()."),Bi(...e)),uint:Oi,uniform:gn,uniformArray:zu,uniformGroup:un,uniforms:(e,t)=>(console.warn("TSL.UniformArrayNode: uniforms() has been renamed to uniformArray()."),Ri(new ku(e,t))),userData:(e,t,r)=>Ri(new Wf(e,t,r)),uv:Mu,uvec2:$i,uvec3:qi,uvec4:Qi,varying:Ha,varyingProperty:yn,vec2:ki,vec3:Hi,vec4:Ki,vectorComponents:Ds,velocity:Kf,vertexColor:e=>Ri(new Uf(e)),vertexIndex:oc,vertexStage:ja,vibrance:sy,viewZToLogarithmicDepth:ih,viewZToOrthographicDepth:th,viewZToPerspectiveDepth:rh,viewport:Gc,viewportBottomLeft:jc,viewportCoordinate:zc,viewportDepthTexture:Jc,viewportLinearDepth:uh,viewportMipTexture:Yc,viewportResolution:Wc,viewportSafeUV:Km,viewportSharedTexture:_h,viewportSize:kc,viewportTexture:Kc,viewportTopLeft:Hc,viewportUV:$c,wgsl:(e,t)=>Ay(e,t,"wgsl"),wgslFn:(e,t)=>Cy(e,t,"wgsl"),workgroupArray:(e,t)=>Ri(new Zy("Workgroup",e,t)),workgroupBarrier:()=>Yy("workgroup").append(),workgroupId:jy,workingToColorSpace:eu,xor:ho});const jb=new Rm;class qb extends qg{constructor(e,t){super(),this.renderer=e,this.nodes=t}update(e,t,r){const s=this.renderer,i=this.nodes.getBackgroundNode(e)||e.background;let n=!1;if(null===i)s._clearColor.getRGB(jb,Ee),jb.a=s._clearColor.a;else if(!0===i.isColor)i.getRGB(jb,Ee),jb.a=1,n=!0;else if(!0===i.isNode){const r=this.get(e),n=i;jb.copy(s._clearColor);let o=r.backgroundMesh;if(void 0===o){const e=Da(Ki(n).mul(Gf),{getUV:()=>kf.mul(Ml),getTextureLevel:()=>Of});let t=ic;t=t.setZ(t.w);const s=new gh;s.name="Background.material",s.side=_,s.depthTest=!1,s.depthWrite=!1,s.fog=!1,s.lights=!1,s.vertexNode=t,s.colorNode=e,r.backgroundMeshNode=e,r.backgroundMesh=o=new k(new Ue(1,32,32),s),o.frustumCulled=!1,o.name="Background.mesh",o.onBeforeRender=function(e,t,r){this.matrixWorld.copyPosition(r.matrixWorld)}}const a=n.getCacheKey();r.backgroundCacheKey!==a&&(r.backgroundMeshNode.node=Ki(n).mul(Gf),r.backgroundMeshNode.needsUpdate=!0,o.material.needsUpdate=!0,r.backgroundCacheKey=a),t.unshift(o,o.geometry,o.material,0,0,null,null)}else console.error("THREE.Renderer: Unsupported background configuration.",i);const o=s.xr.getEnvironmentBlendMode();if("additive"===o?jb.set(0,0,0,1):"alpha-blend"===o&&jb.set(0,0,0,0),!0===s.autoClear||!0===n){const e=r.clearColorValue;e.r=jb.r,e.g=jb.g,e.b=jb.b,e.a=jb.a,!0!==s.backend.isWebGLBackend&&!0!==s.alpha||(e.r*=e.a,e.g*=e.a,e.b*=e.a),r.depthClearValue=s._clearDepth,r.stencilClearValue=s._clearStencil,r.clearColor=!0===s.autoClearColor,r.clearDepth=!0===s.autoClearDepth,r.clearStencil=!0===s.autoClearStencil}else r.clearColor=!1,r.clearDepth=!1,r.clearStencil=!1}}let Xb=0;class Kb{constructor(e="",t=[],r=0,s=[]){this.name=e,this.bindings=t,this.index=r,this.bindingsReference=s,this.id=Xb++}}class Yb{constructor(e,t,r,s,i,n,o,a,u,l=[]){this.vertexShader=e,this.fragmentShader=t,this.computeShader=r,this.transforms=l,this.nodeAttributes=s,this.bindings=i,this.updateNodes=n,this.updateBeforeNodes=o,this.updateAfterNodes=a,this.observer=u,this.usedTimes=0}createBindings(){const e=[];for(const t of this.bindings){if(!0!==t.bindings[0].groupNode.shared){const r=new Kb(t.name,[],t.index,t);e.push(r);for(const e of t.bindings)r.bindings.push(e.clone())}else e.push(t)}return e}}class Qb{constructor(e,t,r=null){this.isNodeAttribute=!0,this.name=e,this.type=t,this.node=r}}class Zb{constructor(e,t,r){this.isNodeUniform=!0,this.name=e,this.type=t,this.node=r.getSelf()}get value(){return this.node.value}set value(e){this.node.value=e}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class Jb{constructor(e,t,r=!1,s=null){this.isNodeVar=!0,this.name=e,this.type=t,this.readOnly=r,this.count=s}}class eT extends Jb{constructor(e,t){super(e,t),this.needsInterpolation=!1,this.isNodeVarying=!0}}class tT{constructor(e,t,r=""){this.name=e,this.type=t,this.code=r,Object.defineProperty(this,"isNodeCode",{value:!0})}}let rT=0;class sT{constructor(e=null){this.id=rT++,this.nodesData=new WeakMap,this.parent=e}getData(e){let t=this.nodesData.get(e);return void 0===t&&null!==this.parent&&(t=this.parent.getData(e)),t}setData(e,t){this.nodesData.set(e,t)}}class iT extends Os{static get type(){return"StructTypeNode"}constructor(e,t){super(),this.name=e,this.types=t,this.isStructTypeNode=!0}getMemberTypes(){return this.types}}class nT{constructor(e,t){this.name=e,this.value=t,this.boundary=0,this.itemSize=0,this.offset=0}setValue(e){this.value=e}getValue(){return this.value}}class oT extends nT{constructor(e,t=0){super(e,t),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class aT extends nT{constructor(e,r=new t){super(e,r),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class uT extends nT{constructor(e,t=new r){super(e,t),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class lT extends nT{constructor(e,t=new s){super(e,t),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class dT extends nT{constructor(t,r=new e){super(t,r),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class cT extends nT{constructor(e,t=new i){super(e,t),this.isMatrix2Uniform=!0,this.boundary=16,this.itemSize=4}}class hT extends nT{constructor(e,t=new n){super(e,t),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class pT extends nT{constructor(e,t=new o){super(e,t),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class gT extends oT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class mT extends aT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class fT extends uT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class yT extends lT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class xT extends dT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class bT extends cT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class TT extends hT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class _T extends pT{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}const vT=[.125,.215,.35,.446,.526,.582],NT=20,ST=new ve(-1,1,1,-1,0,1),AT=new Ie(90,1),RT=new e;let CT=null,ET=0,wT=0;const MT=(1+Math.sqrt(5))/2,BT=1/MT,FT=[new r(-MT,BT,0),new r(MT,BT,0),new r(-BT,0,MT),new r(BT,0,MT),new r(0,MT,-BT),new r(0,MT,BT),new r(-1,1,-1),new r(1,1,-1),new r(-1,1,1),new r(1,1,1)],UT=new WeakMap,PT=[3,1,5,0,4,2],IT=eg(Mu(),wu("faceIndex")).normalize(),LT=Hi(IT.x,IT.y,IT.z);class DT{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i=null){if(this._setSize(256),!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromScene() called before the backend is initialized. Try using .fromSceneAsync() instead.");const n=i||this._allocateTargets();return this.fromSceneAsync(e,t,r,s,n),n}CT=this._renderer.getRenderTarget(),ET=this._renderer.getActiveCubeFace(),wT=this._renderer.getActiveMipmapLevel();const n=i||this._allocateTargets();return n.depthBuffer=!0,this._sceneToCubeUV(e,r,s,n),t>0&&this._blur(n,0,0,t),this._applyPMREM(n),this._cleanup(n),n}async fromSceneAsync(e,t=0,r=.1,s=100,i=null){return!1===this._hasInitialized&&await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Try using .fromEquirectangularAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTargets();return this.fromEquirectangularAsync(e,r),r}return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return!1===this._hasInitialized&&await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromCubemap() called before the backend is initialized. Try using .fromCubemapAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTargets();return this.fromCubemapAsync(e,t),r}return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return!1===this._hasInitialized&&await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=kT(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=zT(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===v||e.mapping===N?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodPlanes.length;e++)this._lodPlanes[e].dispose()}_cleanup(e){this._renderer.setRenderTarget(CT,ET,wT),e.scissorTest=!1,OT(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),CT=this._renderer.getRenderTarget(),ET=this._renderer.getActiveCubeFace(),wT=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTargets();return this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTargets(){const e=3*Math.max(this._cubeSize,112),t=4*this._cubeSize,s={magFilter:$,minFilter:$,generateMipmaps:!1,type:Te,format:Le,colorSpace:Ee},i=VT(e,t,s);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e||this._pingPongRenderTarget.height!==t){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=VT(e,t,s);const{_lodMax:i}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas,lodMeshes:this._lodMeshes}=function(e){const t=[],r=[],s=[],i=[];let n=e;const o=e-4+1+vT.length;for(let a=0;a<o;a++){const o=Math.pow(2,n);r.push(o);let u=1/o;a>e-4?u=vT[a-e+4-1]:0===a&&(u=0),s.push(u);const l=1/(o-2),d=-l,c=1+l,h=[d,d,c,d,c,c,d,d,c,c,d,c],p=6,g=6,m=3,f=2,y=1,x=new Float32Array(m*g*p),b=new Float32Array(f*g*p),T=new Float32Array(y*g*p);for(let e=0;e<p;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=PT[e];x.set(s,m*g*i),b.set(h,f*g*i);const n=[i,i,i,i,i,i];T.set(n,y*g*i)}const _=new Ne;_.setAttribute("position",new Ae(x,m)),_.setAttribute("uv",new Ae(b,f)),_.setAttribute("faceIndex",new Ae(T,y)),t.push(_),i.push(new k(_,null)),n>4&&n--}return{lodPlanes:t,sizeLods:r,sigmas:s,lodMeshes:i}}(i)),this._blurMaterial=function(e,t,s){const i=zu(new Array(NT).fill(0)),n=gn(new r(0,1,0)),o=gn(0),a=Di(NT),u=gn(0),l=gn(1),d=Lu(null),c=gn(0),h=Di(1/t),p=Di(1/s),g=Di(e),m={n:a,latitudinal:u,weights:i,poleAxis:n,outputDirection:LT,dTheta:o,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=GT("blur");return f.fragmentNode=ig({...m,latitudinal:u.equal(1)}),UT.set(f,m),f}(i,e,t)}return i}async _compileMaterial(e){const t=new k(this._lodPlanes[0],e);await this._renderer.compile(t,ST)}_sceneToCubeUV(e,t,r,s){const i=AT;i.near=t,i.far=r;const n=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],a=this._renderer,u=a.autoClear;a.getClearColor(RT),a.autoClear=!1;let l=this._backgroundBox;if(null===l){const e=new Q({name:"PMREM.Background",side:_,depthWrite:!1,depthTest:!1});l=new k(new G,e)}let d=!1;const c=e.background;c?c.isColor&&(l.material.color.copy(c),e.background=null,d=!0):(l.material.color.copy(RT),d=!0),a.setRenderTarget(s),a.clear(),d&&a.render(l,i);for(let t=0;t<6;t++){const r=t%3;0===r?(i.up.set(0,n[t],0),i.lookAt(o[t],0,0)):1===r?(i.up.set(0,0,n[t]),i.lookAt(0,o[t],0)):(i.up.set(0,n[t],0),i.lookAt(0,0,o[t]));const u=this._cubeSize;OT(s,r*u,t>2?u:0,u,u),a.render(e,i)}a.autoClear=u,e.background=c}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===v||e.mapping===N;s?null===this._cubemapMaterial&&(this._cubemapMaterial=kT(e)):null===this._equirectMaterial&&(this._equirectMaterial=zT(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const o=this._cubeSize;OT(t,0,0,3*o,2*o),r.setRenderTarget(t),r.render(n,ST)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodPlanes.length;for(let t=1;t<s;t++){const r=Math.sqrt(this._sigmas[t]*this._sigmas[t]-this._sigmas[t-1]*this._sigmas[t-1]),i=FT[(s-t-1)%FT.length];this._blur(e,t-1,t,r,i)}t.autoClear=r}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,o){const a=this._renderer,u=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&console.error("blur direction must be either latitudinal or longitudinal!");const l=this._lodMeshes[s];l.material=u;const d=UT.get(u),c=this._sizeLods[r]-1,h=isFinite(i)?Math.PI/(2*c):2*Math.PI/39,p=i/h,g=isFinite(i)?1+Math.floor(3*p):NT;g>NT&&console.warn(`sigmaRadians, ${i}, is too large and will clip, as it requested ${g} samples when the maximum is set to 20`);const m=[];let f=0;for(let e=0;e<NT;++e){const t=e/p,r=Math.exp(-t*t/2);m.push(r),0===e?f+=r:e<g&&(f+=2*r)}for(let e=0;e<m.length;e++)m[e]=m[e]/f;e.texture.frame=(e.texture.frame||0)+1,d.envMap.value=e.texture,d.samples.value=g,d.weights.array=m,d.latitudinal.value="latitudinal"===n?1:0,o&&(d.poleAxis.value=o);const{_lodMax:y}=this;d.dTheta.value=h,d.mipInt.value=y-r;const x=this._sizeLods[s];OT(t,3*x*(s>y-4?s-y+4:0),4*(this._cubeSize-x),3*x,2*x),a.setRenderTarget(t),a.render(l,ST)}}function VT(e,t,r){const s=new ye(e,t,r);return s.texture.mapping=Pe,s.texture.name="PMREM.cubeUv",s.texture.isPMREMTexture=!0,s.scissorTest=!0,s}function OT(e,t,r,s,i){e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i)}function GT(e){const t=new gh;return t.depthTest=!1,t.depthWrite=!1,t.blending=D,t.name=`PMREM_${e}`,t}function kT(e){const t=GT("cubemap");return t.fragmentNode=zl(e,LT),t}function zT(e){const t=GT("equirect");return t.fragmentNode=Lu(e,Eh(LT),0),t}const $T=new WeakMap,WT=new Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),HT=e=>/e/g.test(e)?String(e).replace(/\+/g,""):(e=Number(e))+(e%1?"":".0");class 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this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}buildFunctionNode(e){const t=new Ry,r=this.currentFunctionNode;return this.currentFunctionNode=t,t.code=this.buildFunctionCode(e),this.currentFunctionNode=r,t}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new Cm(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.cache,n=this.buildStage,o=this.stack,a={code:""};this.flow=a,this.vars={},this.cache=new sT,this.stack=wm();for(const r of Is)this.setBuildStage(r),a.result=e.build(this,t);return a.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.cache=i,this.stack=o,this.setBuildStage(n),a}getFunctionOperator(){return null}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.shaderStage;this.setShaderStage(e);const n=this.flowChildNode(t,r);return null!==s&&(n.code+=`${this.tab+s} = ${n.result};\n`),this.flowCode[e]=this.flowCode[e]+n.code,this.setShaderStage(i),n}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){console.warn("Abstract function.")}getVaryings(){console.warn("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e){let t="";const r=this.vars[e];if(void 0!==r)for(const e of r)t+=`${this.getVar(e.type,e.name)}; `;return t}getUniforms(){console.warn("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){console.warn("Abstract function.")}build(){const{object:e,material:t,renderer:r}=this;if(null!==t){let e=r.library.fromMaterial(t);null===e&&(console.error(`NodeMaterial: Material "${t.type}" is not compatible.`),e=new gh),e.build(this)}else this.addFlow("compute",e);for(const e of Is){this.setBuildStage(e),this.context.vertex&&this.context.vertex.isNode&&this.flowNodeFromShaderStage("vertex",this.context.vertex);for(const t of Ls){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getNodeUniform(e,t){if("float"===t||"int"===t||"uint"===t)return new gT(e);if("vec2"===t||"ivec2"===t||"uvec2"===t)return new mT(e);if("vec3"===t||"ivec3"===t||"uvec3"===t)return new fT(e);if("vec4"===t||"ivec4"===t||"uvec4"===t)return new yT(e);if("color"===t)return new xT(e);if("mat2"===t)return new bT(e);if("mat3"===t)return new TT(e);if("mat4"===t)return new _T(e);throw new Error(`Uniform "${t}" not declared.`)}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}(${e}[0].xyz, ${e}[1].xyz, ${e}[2].xyz)`:9===s&&4===i?`${this.getType(r)}(${e}[0].xy, ${e}[1].xy)`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?this.format(`${e}.${"xyz".slice(0,i)}`,this.getTypeFromLength(i,this.getComponentType(t)),r):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${Ge} - Node System\n`}createNodeMaterial(e="NodeMaterial"){throw new Error(`THREE.NodeBuilder: createNodeMaterial() was deprecated. Use new ${e}() instead.`)}}class qT{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderMap:new WeakMap,frameMap:new WeakMap},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===Bs.FRAME){const{frameMap:t}=this._getMaps(this.updateBeforeMap,r);t.get(r)!==this.frameId&&!1!==e.updateBefore(this)&&t.set(r,this.frameId)}else if(t===Bs.RENDER){const{renderMap:t}=this._getMaps(this.updateBeforeMap,r);t.get(r)!==this.renderId&&!1!==e.updateBefore(this)&&t.set(r,this.renderId)}else t===Bs.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===Bs.FRAME){const{frameMap:t}=this._getMaps(this.updateAfterMap,r);t.get(r)!==this.frameId&&!1!==e.updateAfter(this)&&t.set(r,this.frameId)}else if(t===Bs.RENDER){const{renderMap:t}=this._getMaps(this.updateAfterMap,r);t.get(r)!==this.renderId&&!1!==e.updateAfter(this)&&t.set(r,this.renderId)}else t===Bs.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===Bs.FRAME){const{frameMap:t}=this._getMaps(this.updateMap,r);t.get(r)!==this.frameId&&!1!==e.update(this)&&t.set(r,this.frameId)}else if(t===Bs.RENDER){const{renderMap:t}=this._getMaps(this.updateMap,r);t.get(r)!==this.renderId&&!1!==e.update(this)&&t.set(r,this.renderId)}else t===Bs.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class XT{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}XT.isNodeFunctionInput=!0;class KT extends Vx{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setup(e){super.setup(e);const t=e.context.lightingModel,r=this.colorNode,s=lx(this.light),i=e.context.reflectedLight;t.direct({lightDirection:s,lightColor:r,reflectedLight:i},e.stack,e)}}const YT=new o,QT=new o;let ZT=null;class JT extends Vx{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=gn(new r).setGroup(cn),this.halfWidth=gn(new r).setGroup(cn),this.updateType=Bs.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;QT.identity(),YT.copy(t.matrixWorld),YT.premultiply(r),QT.extractRotation(YT),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(QT),this.halfHeight.value.applyMatrix4(QT)}setup(e){let t,r;super.setup(e),e.isAvailable("float32Filterable")?(t=Lu(ZT.LTC_FLOAT_1),r=Lu(ZT.LTC_FLOAT_2)):(t=Lu(ZT.LTC_HALF_1),r=Lu(ZT.LTC_HALF_2));const{colorNode:s,light:i}=this,n=e.context.lightingModel,o=ux(i),a=e.context.reflectedLight;n.directRectArea({lightColor:s,lightPosition:o,halfWidth:this.halfWidth,halfHeight:this.halfHeight,reflectedLight:a,ltc_1:t,ltc_2:r},e.stack,e)}static setLTC(e){ZT=e}}class e_ extends Vx{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=gn(0).setGroup(cn),this.penumbraCosNode=gn(0).setGroup(cn),this.cutoffDistanceNode=gn(0).setGroup(cn),this.decayExponentNode=gn(0).setGroup(cn)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e){const{coneCosNode:t,penumbraCosNode:r}=this;return Aa(t,r,e)}setup(e){super.setup(e);const t=e.context.lightingModel,{colorNode:r,cutoffDistanceNode:s,decayExponentNode:i,light:n}=this,o=ux(n).sub(_l),a=o.normalize(),u=a.dot(lx(n)),l=this.getSpotAttenuation(u),d=o.length(),c=Ox({lightDistance:d,cutoffDistance:s,decayExponent:i});let h=r.mul(l).mul(c);if(n.map){const e=nx(n),t=Lu(n.map,e.xy).onRenderUpdate((()=>n.map));h=e.mul(2).sub(1).abs().lessThan(1).all().select(h.mul(t),h)}const p=e.context.reflectedLight;t.direct({lightDirection:a,lightColor:h,reflectedLight:p},e.stack,e)}}class t_ extends e_{static get type(){return"IESSpotLightNode"}getSpotAttenuation(e){const t=this.light.iesMap;let r=null;if(t&&!0===t.isTexture){const s=e.acos().mul(1/Math.PI);r=Lu(t,ki(s,0),0).r}else r=super.getSpotAttenuation(e);return r}}class r_ extends Vx{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class s_ extends Vx{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=ox(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=gn(new e).setGroup(cn)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=wl.dot(s).mul(.5).add(.5),n=_a(r,t,i);e.context.irradiance.addAssign(n)}}class i_ extends Vx{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=zu(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=Wb(Ml,this.lightProbe);e.context.irradiance.addAssign(t)}}class n_{parseFunction(){console.warn("Abstract function.")}}class o_{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){console.warn("Abstract function.")}}o_.isNodeFunction=!0;const a_=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,u_=/[a-z_0-9]+/gi,l_="#pragma main";class d_ extends o_{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:o,headerCode:a}=(e=>{const t=(e=e.trim()).indexOf(l_),r=-1!==t?e.slice(t+12):e,s=r.match(a_);if(null!==s&&5===s.length){const i=s[4],n=[];let o=null;for(;null!==(o=u_.exec(i));)n.push(o);const a=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];a.push(new XT(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:a,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=o,this.headerCode=a}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:o}=this;let a=`${s} ${e} ( ${i.trim()} )`;""!==o&&(a=`${o} ${a}`),t=n+a+r}else t="";return t}}class c_ extends n_{parseFunction(e){return new d_(e)}}const h_=new WeakMap,p_=[],g_=[];class m_ extends qg{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new qT,this.nodeBuilderCache=new Map,this.callHashCache=new zg,this.groupsData=new zg,this.cacheLib={}}updateGroup(e){const t=e.groupNode,r=t.name;if(r===hn.name)return!0;if(r===cn.name){const t=this.get(e),r=this.nodeFrame.renderId;return t.renderId!==r&&(t.renderId=r,!0)}if(r===dn.name){const t=this.get(e),r=this.nodeFrame.frameId;return t.frameId!==r&&(t.frameId=r,!0)}p_[0]=t,p_[1]=e;let s=this.groupsData.get(p_);return void 0===s&&this.groupsData.set(p_,s={}),p_.length=0,s.version!==t.version&&(s.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}getForRender(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const{nodeBuilderCache:s}=this,i=this.getForRenderCacheKey(e);if(r=s.get(i),void 0===r){const t=this.backend.createNodeBuilder(e.object,this.renderer);t.scene=e.scene,t.material=e.material,t.camera=e.camera,t.context.material=e.material,t.lightsNode=e.lightsNode,t.environmentNode=this.getEnvironmentNode(e.scene),t.fogNode=this.getFogNode(e.scene),t.clippingContext=e.clippingContext,t.build(),r=this._createNodeBuilderState(t),s.set(i,r)}r.usedTimes++,t.nodeBuilderState=r}return r}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r}return r}_createNodeBuilderState(e){return new Yb(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.transforms)}getEnvironmentNode(e){this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){p_[0]=e,p_[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(p_)||{};if(s.callId!==r){const i=this.getEnvironmentNode(e),n=this.getFogNode(e);t&&g_.push(t.getCacheKey(!0)),i&&g_.push(i.getCacheKey()),n&&g_.push(n.getCacheKey()),g_.push(this.renderer.shadowMap.enabled?1:0),s.callId=r,s.cacheKey=ms(g_),this.callHashCache.set(p_,s),g_.length=0}return p_.length=0,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,(()=>{if(!0===r.isCubeTexture||r.mapping===j||r.mapping===q||r.mapping===Pe){if(e.backgroundBlurriness>0||r.mapping===Pe)return lg(r);{let e;return e=!0===r.isCubeTexture?zl(r):Lu(r),Ph(e)}}if(!0===r.isTexture)return Lu(r,Dc.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&console.error("WebGPUNodes: Unsupported background configuration.",r)}),s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,(()=>{if(r.isFogExp2){const e=Hl("color","color",r).setGroup(cn),t=Hl("density","float",r).setGroup(cn);return Vy(e,Dy(t))}if(r.isFog){const e=Hl("color","color",r).setGroup(cn),t=Hl("near","float",r).setGroup(cn),s=Hl("far","float",r).setGroup(cn);return Vy(e,Ly(t,s))}console.error("THREE.Renderer: Unsupported fog configuration.",r)}));t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,(()=>!0===r.isCubeTexture?zl(r):!0===r.isTexture?Lu(r):void console.error("Nodes: Unsupported environment configuration.",r)));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace}hasOutputChange(e){return h_.get(e)!==this.getOutputCacheKey()}getOutputNode(e){const t=this.renderer,r=this.getOutputCacheKey(),s=Lu(e,Dc).renderOutput(t.toneMapping,t.currentColorSpace);return h_.set(e,r),s}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new qT,this.nodeBuilderCache=new Map,this.cacheLib={}}}const f_=new xe;class y_{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass,this.viewMatrix=e.viewMatrix)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){f_.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=f_.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=f_.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix=t.matrixWorldInverse,this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let o,a;if(this.clipIntersection?(o=this.intersectionPlanes,a=e.intersectionPlanes.length):(o=this.unionPlanes,a=e.unionPlanes.length),o.length!==a+n){o.length=a+n;for(let e=0;e<n;e++)o[a+e]=new s;r=!0}this.projectPlanes(i,o,a),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new y_(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class x_{constructor(e,t){this.bundleGroup=e,this.camera=t}}const b_=[];class T_{constructor(){this.bundles=new zg}get(e,t){const r=this.bundles;b_[0]=e,b_[1]=t;let s=r.get(b_);return void 0===s&&(s=new x_(e,t),r.set(b_,s)),b_.length=0,s}dispose(){this.bundles=new zg}}class __{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))console.warn(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))console.warn(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`Base class ${t.name} is not a class.`);r.set(t,e)}}}const v_=new hx,N_=[];class S_ extends zg{constructor(){super()}createNode(e=[]){return(new hx).setLights(e)}getNode(e,t){if(e.isQuadMesh)return v_;N_[0]=e,N_[1]=t;let r=this.get(N_);return void 0===r&&(r=this.createNode(),this.set(N_,r)),N_.length=0,r}}class A_ extends ye{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this.hasExternalTextures=!1,this.autoAllocateDepthBuffer=!0}copy(e){return super.copy(e),this.hasExternalTextures=e.hasExternalTextures,this.autoAllocateDepthBuffer=e.autoAllocateDepthBuffer,this}}const R_=new r,C_=new r;class E_ extends a{constructor(e){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new Ie,this._cameraL.viewport=new s,this._cameraR=new Ie,this._cameraR.viewport=new s,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new ke,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._currentRenderTarget=null,this._xrRenderTarget=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSize=new t,this._onSessionEvent=M_.bind(this),this._onSessionEnd=B_.bind(this),this._onInputSourcesChange=F_.bind(this),this._onAnimationFrame=U_.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._glProjLayer=null,this._xrFrame=null,this._useLayers="undefined"!=typeof XRWebGLBinding&&"createProjectionLayer"in XRWebGLBinding.prototype}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){if(null!==this._glProjLayer||null!==this._glBaseLayer)return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&console.warn("THREE.XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&console.warn("THREE.XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getFrame(){return this._xrFrame}getSession(){return this._session}async setSession(e){const t=this._renderer,r=t.backend,s=t.getContext();if(this._session=e,null!==e){if(!0===r.isWebGPUBackend)throw new Error('THREE.XRManager: XR is currently not supported with a WebGPU backend. Use WebGL by passing "{ forceWebGL: true }" to the constructor of the renderer.');this._currentRenderTarget=t.getRenderTarget(),e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),await r.makeXRCompatible(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop();const i=s.getContextAttributes();if(!0===this._useLayers){let r=null,n=null,o=null;i.depth&&(o=i.stencil?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24,r=i.stencil?pe:ge,n=i.stencil?me:b);const a={colorFormat:s.RGBA8,depthFormat:o,scaleFactor:this._framebufferScaleFactor},u=new XRWebGLBinding(e,s),l=u.createProjectionLayer(a);this._glBinding=u,this._glProjLayer=l,e.updateRenderState({layers:[l]}),t.setPixelRatio(1),t.setSize(l.textureWidth,l.textureHeight,!1),this._xrRenderTarget=new A_(l.textureWidth,l.textureHeight,{format:Le,type:fe,colorSpace:t.outputColorSpace,depthTexture:new F(l.textureWidth,l.textureHeight,n,void 0,void 0,void 0,void 0,void 0,void 0,r),stencilBuffer:i.stencil,samples:i.antialias?4:0}),this._xrRenderTarget.hasExternalTextures=!0}else{const r={antialias:i.antialias,alpha:!0,depth:i.depth,stencil:i.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},n=new XRWebGLLayer(e,s,r);this._glBaseLayer=n,e.updateRenderState({baseLayer:n}),t.setPixelRatio(1),t.setSize(n.framebufferWidth,n.framebufferHeight,!1),this._xrRenderTarget=new A_(n.framebufferWidth,n.framebufferHeight,{format:Le,type:fe,colorSpace:t.outputColorSpace,stencilBuffer:i.stencil})}this.setFoveation(this.getFoveation()),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,o=this._cameraR;i.near=o.near=n.near=r,i.far=o.far=n.far=s,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),n.layers.mask=2|e.layers.mask,o.layers.mask=4|e.layers.mask,i.layers.mask=n.layers.mask|o.layers.mask;const a=e.parent,u=i.cameras;w_(i,a);for(let e=0;e<u.length;e++)w_(u[e],a);2===u.length?function(e,t,r){R_.setFromMatrixPosition(t.matrixWorld),C_.setFromMatrixPosition(r.matrixWorld);const s=R_.distanceTo(C_),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,o=i[14]/(i[10]-1),a=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=o*d,p=o*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=o+g,r=a+g,i=h-m,n=p+(s-m),d=u*a/r*t,c=l*a/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,o):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*$e*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,a)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new ze,this._controllers[e]=t),t}}function w_(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function M_(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function B_(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}this._currentDepthNear=null,this._currentDepthFar=null,t.backend.setXRTarget(null),t.setRenderTarget(this._currentRenderTarget),this._session=null,this._xrRenderTarget=null,this.isPresenting=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function F_(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const o=t[n];o&&o.connect(i)}}function U_(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,o=this._glBaseLayer,a=this.getReferenceSpace(),u=t.getViewerPose(a);if(this._xrFrame=t,null!==u){const e=u.views;null!==this._glBaseLayer&&n.setXRTarget(o.framebuffer);let t=!1;e.length!==r.cameras.length&&(r.cameras.length=0,t=!0);for(let i=0;i<e.length;i++){const a=e[i];let u;if(!0===this._useLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,a);u=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues?void 0:e.depthStencilTexture)}else u=o.getViewport(a);let l=this._cameras[i];void 0===l&&(l=new Ie,l.layers.enable(i),l.viewport=new s,this._cameras[i]=l),l.matrix.fromArray(a.transform.matrix),l.matrix.decompose(l.position,l.quaternion,l.scale),l.projectionMatrix.fromArray(a.projectionMatrix),l.projectionMatrixInverse.copy(l.projectionMatrix).invert(),l.viewport.set(u.x,u.y,u.width,u.height),0===i&&(r.matrix.copy(l.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===t&&r.cameras.push(l)}i.setRenderTarget(this._xrRenderTarget)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,a)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}const P_=new z,I_=new t,L_=new s,D_=new qe,V_=new o,O_=new s;class G_{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,alpha:i=!0,depth:n=!0,stencil:o=!1,antialias:a=!1,samples:u=0,getFallback:l=null}=t;this.domElement=e.getDomElement(),this.backend=e,this.samples=u||!0===a?4:0,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=r,this.outputColorSpace=We,this.toneMapping=p,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=n,this.stencil=o,this.info=new sm,this.nodes={modelViewMatrix:null,modelNormalViewMatrix:null},this.library=new __,this.lighting=new S_,this._getFallback=l,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quad=new Tf(new gh),this._quad.material.name="Renderer_output",this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const d=!0===this.alpha?0:1;this._clearColor=new Rm(0,0,0,d),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this._initialized=!1,this._initPromise=null,this._compilationPromises=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,type:He},this.xr=new E_(this),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(e,t);const s=this._renderLists.get(e,t),i=this._renderContexts.get(e,t,this._renderTarget),n=e.overrideMaterial||r.material,o=this._objects.get(r,n,e,t,s.lightsNode,i,i.clippingContext),{fragmentShader:a,vertexShader:u}=o.getNodeBuilderState();return{fragmentShader:a,vertexShader:u}}}}async init(){if(this._initialized)throw new Error("Renderer: Backend has already been initialized.");return null!==this._initPromise||(this._initPromise=new Promise((async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new m_(this,r),this._animation=new kg(this._nodes,this.info),this._attributes=new Jg(r),this._background=new qb(this,this._nodes),this._geometries=new rm(this._attributes,this.info),this._textures=new Am(this,r,this.info),this._pipelines=new lm(r,this._nodes),this._bindings=new dm(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new jg(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new fm(this.lighting),this._bundles=new T_,this._renderContexts=new Nm,this._animation.start(),this._initialized=!0,e()}))),this._initPromise}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,o=this._currentRenderObjectFunction,a=this._compilationPromises,u=!0===e.isScene?e:P_;null===r&&(r=e);const l=this._renderTarget,d=this._renderContexts.get(r,t,l),c=this._activeMipmapLevel,h=[];this._currentRenderContext=d,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=h,s.renderId++,s.update(),d.depth=this.depth,d.stencil=this.stencil,d.clippingContext||(d.clippingContext=new y_),d.clippingContext.updateGlobal(u,t),u.onBeforeRender(this,e,t,l);const p=this._renderLists.get(e,t);if(p.begin(),this._projectObject(e,t,0,p,d.clippingContext),r!==e&&r.traverseVisible((function(e){e.isLight&&e.layers.test(t.layers)&&p.pushLight(e)})),p.finish(),null!==l){this._textures.updateRenderTarget(l,c);const e=this._textures.get(l);d.textures=e.textures,d.depthTexture=e.depthTexture}else d.textures=null,d.depthTexture=null;this._background.update(u,p,d);const g=p.opaque,m=p.transparent,f=p.transparentDoublePass,y=p.lightsNode;!0===this.opaque&&g.length>0&&this._renderObjects(g,t,u,y),!0===this.transparent&&m.length>0&&this._renderTransparents(m,f,t,u,y),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=o,this._compilationPromises=a,this._handleObjectFunction=this._renderObjectDirect,await Promise.all(h)}async renderAsync(e,t){!1===this._initialized&&await this.init(),this._renderScene(e,t)}async waitForGPU(){await this.backend.waitForGPU()}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),console.error(t),this._isDeviceLost=!0}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,o=this._currentRenderContext,a=this._bundles.get(s,i),u=this.backend.get(a);void 0===u.renderContexts&&(u.renderContexts=new Set);const l=s.version!==u.version,d=!1===u.renderContexts.has(o)||l;if(u.renderContexts.add(o),d){this.backend.beginBundle(o),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=a;const e=n.opaque;!0===this.opaque&&e.length>0&&this._renderObjects(e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(o,a),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(o,a)}render(e,t){if(!1===this._initialized)return console.warn("THREE.Renderer: .render() called before the backend is initialized. Try using .renderAsync() instead."),this.renderAsync(e,t);this._renderScene(e,t)}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this;if(!1===(e!==p)&&!1===(t!==Ee))return null;const{width:r,height:s}=this.getDrawingBufferSize(I_),{depth:i,stencil:n}=this;let o=this._frameBufferTarget;return null===o&&(o=new ye(r,s,{depthBuffer:i,stencilBuffer:n,type:Te,format:Le,colorSpace:Ee,generateMipmaps:!1,minFilter:$,magFilter:$,samples:this.samples}),o.isPostProcessingRenderTarget=!0,this._frameBufferTarget=o),o.depthBuffer=i,o.stencilBuffer=n,o.setSize(r,s),o.viewport.copy(this._viewport),o.scissor.copy(this._scissor),o.viewport.multiplyScalar(this._pixelRatio),o.scissor.multiplyScalar(this._pixelRatio),o.scissorTest=this._scissorTest,o}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,o=this._currentRenderContext,a=this._currentRenderObjectFunction,u=!0===e.isScene?e:P_,l=this._renderTarget,d=this._activeCubeFace,c=this._activeMipmapLevel;let h;null!==s?(h=s,this.setRenderTarget(h)):h=l;const p=this._renderContexts.get(e,t,h);this._currentRenderContext=p,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls;const g=this.coordinateSystem,m=this.xr;if(t.coordinateSystem!==g&&!1===m.isPresenting&&(t.coordinateSystem=g,t.updateProjectionMatrix(),t.isArrayCamera))for(const e of t.cameras)e.coordinateSystem=g,e.updateProjectionMatrix();!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0===m.enabled&&!0===m.isPresenting&&(!0===m.cameraAutoUpdate&&m.updateCamera(t),t=m.getCamera());let f=this._viewport,y=this._scissor,x=this._pixelRatio;null!==h&&(f=h.viewport,y=h.scissor,x=1),this.getDrawingBufferSize(I_),L_.set(0,0,I_.width,I_.height);const b=void 0===f.minDepth?0:f.minDepth,T=void 0===f.maxDepth?1:f.maxDepth;p.viewportValue.copy(f).multiplyScalar(x).floor(),p.viewportValue.width>>=c,p.viewportValue.height>>=c,p.viewportValue.minDepth=b,p.viewportValue.maxDepth=T,p.viewport=!1===p.viewportValue.equals(L_),p.scissorValue.copy(y).multiplyScalar(x).floor(),p.scissor=this._scissorTest&&!1===p.scissorValue.equals(L_),p.scissorValue.width>>=c,p.scissorValue.height>>=c,p.clippingContext||(p.clippingContext=new y_),p.clippingContext.updateGlobal(u,t),u.onBeforeRender(this,e,t,h),V_.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),D_.setFromProjectionMatrix(V_,g);const _=this._renderLists.get(e,t);if(_.begin(),this._projectObject(e,t,0,_,p.clippingContext),_.finish(),!0===this.sortObjects&&_.sort(this._opaqueSort,this._transparentSort),null!==h){this._textures.updateRenderTarget(h,c);const e=this._textures.get(h);p.textures=e.textures,p.depthTexture=e.depthTexture,p.width=e.width,p.height=e.height,p.renderTarget=h,p.depth=h.depthBuffer,p.stencil=h.stencilBuffer}else p.textures=null,p.depthTexture=null,p.width=this.domElement.width,p.height=this.domElement.height,p.depth=this.depth,p.stencil=this.stencil;p.width>>=c,p.height>>=c,p.activeCubeFace=d,p.activeMipmapLevel=c,p.occlusionQueryCount=_.occlusionQueryCount,this._background.update(u,_,p),this.backend.beginRender(p);const{bundles:v,lightsNode:N,transparentDoublePass:S,transparent:A,opaque:R}=_;if(v.length>0&&this._renderBundles(v,u,N),!0===this.opaque&&R.length>0&&this._renderObjects(R,t,u,N),!0===this.transparent&&A.length>0&&this._renderTransparents(A,S,t,u,N),this.backend.finishRender(p),i.renderId=n,this._currentRenderContext=o,this._currentRenderObjectFunction=a,null!==s){this.setRenderTarget(l,d,c);const e=this._quad;this._nodes.hasOutputChange(h.texture)&&(e.material.fragmentNode=this._nodes.getOutputNode(h.texture),e.material.needsUpdate=!0),this._renderScene(e,e.camera,!1)}return u.onAfterRender(this,e,t,h),p}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}async getArrayBufferAsync(e){return await this.backend.getArrayBufferAsync(e)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._initialized&&this.backend.updateSize()}setSize(e,t,r=!0){this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._initialized&&this.backend.updateSize()}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e,this.backend.setScissorTest(e)}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const o=this._viewport;e.isVector4?o.copy(e):o.set(e,t,r,s),o.minDepth=i,o.maxDepth=n}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)return console.warn("THREE.Renderer: .clear() called before the backend is initialized. Try using .clearAsync() instead."),this.clearAsync(e,t,r);const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.getForClear(s),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer}if(i.clearColorValue=this._clearColor,this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget){const e=this._quad;this._nodes.hasOutputChange(s.texture)&&(e.material.fragmentNode=this._nodes.getOutputNode(s.texture),e.material.needsUpdate=!0),this._renderScene(e,e.camera,!1)}}clearColor(){return this.clear(!0,!1,!1)}clearDepth(){return this.clear(!1,!0,!1)}clearStencil(){return this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){!1===this._initialized&&await this.init(),this.clear(e,t,r)}async clearColorAsync(){this.clearAsync(!0,!1,!1)}async clearDepthAsync(){this.clearAsync(!1,!0,!1)}async clearStencilAsync(){this.clearAsync(!1,!1,!0)}get currentToneMapping(){return null!==this._renderTarget?p:this.toneMapping}get currentColorSpace(){return null!==this._renderTarget?Ee:this.outputColorSpace}dispose(){this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),Object.values(this.backend.timestampQueryPool).forEach((e=>{null!==e&&e.dispose()})),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return console.warn("THREE.Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e);const t=this._nodes.nodeFrame,r=t.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,t.renderId=this.info.calls;const s=this.backend,i=this._pipelines,n=this._bindings,o=this._nodes,a=Array.isArray(e)?e:[e];if(void 0===a[0]||!0!==a[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");s.beginCompute(e);for(const t of a){if(!1===i.has(t)){const e=()=>{t.removeEventListener("dispose",e),i.delete(t),n.delete(t),o.delete(t)};t.addEventListener("dispose",e);const r=t.onInitFunction;null!==r&&r.call(t,{renderer:this})}o.updateForCompute(t),n.updateForCompute(t);const r=n.getForCompute(t),a=i.getForCompute(t,r);s.compute(e,t,r,a)}s.finishCompute(e),t.renderId=r}async computeAsync(e){!1===this._initialized&&await this.init(),this.compute(e)}async hasFeatureAsync(e){return!1===this._initialized&&await this.init(),this.backend.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){return!1===this._initialized?(console.warn("THREE.Renderer: .hasFeature() called before the backend is initialized. Try using .hasFeatureAsync() instead."),!1):this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){!1===this._initialized&&await this.init(),this._textures.updateTexture(e)}initTexture(e){!1===this._initialized&&console.warn("THREE.Renderer: .initTexture() called before the backend is initialized. Try using .initTextureAsync() instead."),this._textures.updateTexture(e)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=O_.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void console.error("THREE.Renderer.copyFramebufferToTexture: Invalid rectangle.");t=O_.copy(t).floor()}else t=O_.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t)}copyTextureToTexture(e,t,r=null,s=null,i=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,o=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,o)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){if(!e.frustumCulled||D_.intersectsSprite(e)){!0===this.sortObjects&&O_.setFromMatrixPosition(e.matrixWorld).applyMatrix4(V_);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,O_.z,null,i)}}else if(e.isLineLoop)console.error("THREE.Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if((e.isMesh||e.isLine||e.isPoints)&&(!e.frustumCulled||D_.intersectsObject(e))){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),O_.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(V_)),Array.isArray(n)){const o=t.groups;for(let a=0,u=o.length;a<u;a++){const u=o[a],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,O_.z,u,i)}}else n.visible&&s.push(e,t,n,r,O_.z,null,i)}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,o=n.length;e<o;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=_;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=je;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=ce}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,o=e.length;n<o;n++){const{object:o,geometry:a,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(o,r,t,a,u,l,s,d,i)}}renderObject(e,t,r,s,i,n,o,a=null,u=null){let l,d,c;if(e.onBeforeRender(this,t,r,s,i,n),null!==t.overrideMaterial){const e=t.overrideMaterial;i.positionNode&&i.positionNode.isNode&&(l=e.positionNode,e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0,e.isShadowPassMaterial&&(e.side=null===i.shadowSide?i.side:i.shadowSide,i.depthNode&&i.depthNode.isNode&&(c=e.depthNode,e.depthNode=i.depthNode),i.castShadowNode&&i.castShadowNode.isNode&&(d=e.colorNode,e.colorNode=i.castShadowNode)),i=e}!0===i.transparent&&i.side===ce&&!1===i.forceSinglePass?(i.side=_,this._handleObjectFunction(e,i,t,r,o,n,a,"backSide"),i.side=je,this._handleObjectFunction(e,i,t,r,o,n,a,u),i.side=ce):this._handleObjectFunction(e,i,t,r,o,n,a,u),void 0!==l&&(t.overrideMaterial.positionNode=l),void 0!==c&&(t.overrideMaterial.depthNode=c),void 0!==d&&(t.overrideMaterial.colorNode=d),e.onAfterRender(this,t,r,s,i,n)}_renderObjectDirect(e,t,r,s,i,n,o,a){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,o,a);u.drawRange=e.geometry.drawRange,u.group=n;const l=this._nodes.needsRefresh(u);if(l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u)}_createObjectPipeline(e,t,r,s,i,n,o,a){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,o,a);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}get compile(){return this.compileAsync}}class k_{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}clone(){return Object.assign(new this.constructor,this)}}class z_ extends k_{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t}get byteLength(){return(e=this._buffer.byteLength)+(Zg-e%Zg)%Zg;var e}get buffer(){return this._buffer}update(){return!0}}class $_ extends z_{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let W_=0;class H_ extends $_{constructor(e,t){super("UniformBuffer_"+W_++,e?e.value:null),this.nodeUniform=e,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class j_ extends $_{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[]}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){let e=0;for(let t=0,r=this.uniforms.length;t<r;t++){const r=this.uniforms[t],{boundary:s,itemSize:i}=r,n=e%Zg;0!==n&&Zg-n-s<0?e+=Zg-n:n%s!=0&&(e+=n%s),r.offset=e/this.bytesPerElement,e+=i*this.bytesPerElement}return Math.ceil(e/Zg)*Zg}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void console.error("THREE.WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,t=!0}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,e[i+2]=r[i+2]=s.z,t=!0}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+4]!==s.w){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,e[i+2]=r[i+2]=s.z,e[i+3]=r[i+3]=s.w,t=!0}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const e=this.buffer;e[i+0]=r[i+0]=s.r,e[i+1]=r[i+1]=s.g,e[i+2]=r[i+2]=s.b,t=!0}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const e=this.buffer;e[i+0]=r[i+0]=s[0],e[i+1]=r[i+1]=s[1],e[i+2]=r[i+2]=s[2],e[i+4]=r[i+4]=s[3],e[i+5]=r[i+5]=s[4],e[i+6]=r[i+6]=s[5],e[i+8]=r[i+8]=s[6],e[i+9]=r[i+9]=s[7],e[i+10]=r[i+10]=s[8],t=!0}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let q_=0;class X_ extends j_{constructor(e,t){super(e),this.id=q_++,this.groupNode=t,this.isNodeUniformsGroup=!0}}let K_=0;class Y_ extends k_{constructor(e,t){super(e),this.id=K_++,this.texture=t,this.version=t?t.version:0,this.store=!1,this.generation=null,this.isSampledTexture=!0}needsBindingsUpdate(e){const{texture:t}=this;return e!==this.generation?(this.generation=e,!0):t.isVideoTexture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}}class Q_ extends Y_{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}needsBindingsUpdate(e){return this.textureNode.value!==this.texture||super.needsBindingsUpdate(e)}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class Z_ extends Q_{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class J_ extends Q_{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const ev={textureDimensions:"textureSize",equals:"equal"},tv={low:"lowp",medium:"mediump",high:"highp"},rv={swizzleAssign:!0,storageBuffer:!1},sv="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision lowp sampler2DShadow;\n";class iv extends jT{constructor(e,t){super(e,t,new c_),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]},this.useComparisonMethod=!0}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==x}getMethod(e){return ev[e]||e}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?Ke:Ye;2===s?n=i?Qe:Be:3===s?n=i?Ze:Je:4===s&&(n=i?et:Le);const o={Float32Array:w,Uint8Array:fe,Uint16Array:tt,Uint32Array:b,Int8Array:rt,Int16Array:st,Int32Array:T,Uint8ClampedArray:fe},a=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/a);a*u*s<r&&u++;const l=a*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new Xe(t.array,a,u,n,o[t.array.constructor.name]||w);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new Iu(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.label)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?t.charAt(0)+"_"+e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.label),n=this.getPropertyName(i);this.increaseUsage(r);const o=r.build(this,"uint"),a=this.getDataFromNode(e);let u=a.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+Ds.join("").slice(0,d),h=`ivec2(${o} % ${l}, ${o} / ${l})`,p=this.generateTextureLoad(null,n,h,null,"0");let g="vec4";s.pbo.type===b?g="uvec4":s.pbo.type===T&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),a.propertyName=u}return u}generateTextureLoad(e,t,r,s,i="0"){return s?`texelFetch( ${t}, ivec3( ${r}, ${s} ), ${i} )`:`texelFetch( ${t}, ${r}, ${i} )`}generateTexture(e,t,r,s){return e.isDepthTexture?`texture( ${t}, ${r} ).x`:(s&&(r=`vec3( ${r}, ${s} )`),`texture( ${t}, ${r} )`)}generateTextureLevel(e,t,r,s){return`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s){return`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s){return`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`texture( ${t}, vec3( ${r}, ${s} ) )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`${this.getVar(e.type,e.name,e.count)};`);return t.join("\n\t")}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const i of t){let t=null,n=!1;if("texture"===i.type){const e=i.node.value;let r="";!0===e.isDataTexture&&(e.type===b?r="u":e.type===T&&(r="i")),t=e.compareFunction?`sampler2DShadow ${i.name};`:!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?`${r}sampler2DArray ${i.name};`:`${r}sampler2D ${i.name};`}else if("cubeTexture"===i.type)t=`samplerCube ${i.name};`;else if("texture3D"===i.type)t=`sampler3D ${i.name};`;else if("buffer"===i.type){const e=i.node,r=this.getType(e.bufferType),s=e.bufferCount,n=s>0?s:"";t=`${e.name} {\n\t${r} ${i.name}[${n}];\n};\n`}else{t=`${this.getVectorType(i.type)} ${this.getPropertyName(i,e)};`,n=!0}const o=i.node.precision;if(null!==o&&(t=tv[o]+" "+t),n){t="\t"+t;const e=i.groupNode.name;(s[e]||(s[e]=[])).push(t)}else t="uniform "+t,r.push(t)}let i="";for(const t in s){const r=s[t];i+=this._getGLSLUniformStruct(e+"_"+t,r.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==T){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[],r=e.getMemberTypes();for(let e=0;e<r.length;e++){const s=r[e];t.push(`layout( location = ${e} ) out ${s} m${e};`)}return t.join("\n")}getStructs(e){const t=[],r=this.structs[e];if(0===r.length)return"layout( location = 0 ) out vec4 fragColor;\n";for(let e=0,s=r.length;e<s;e++){const s=r[e];let i="\n";i+=this.getStructMembers(s),i+="\n",t.push(i)}return t.join("\n\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}${s.needsInterpolation?"out":"/*out*/"} ${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce(((e,t)=>e*t),1)}u`}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":null}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=rv[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}rv[e]=t}return t}isFlipY(){return!0}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);t+=`${s.varyingName} = ${i};\n\t`}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions \n${e.extensions}\n\n// precision\n${sv}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// precision\n${sv}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// codes\n${e.codes}\n\n${e.structs}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${s.result};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${s.result};`)))}const n=e[t];n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let o=n.uniformGPU;if(void 0===o){const s=e.groupNode,a=s.name,u=this.getBindGroupArray(a,r);if("texture"===t)o=new Q_(i.name,i.node,s),u.push(o);else if("cubeTexture"===t)o=new Z_(i.name,i.node,s),u.push(o);else if("texture3D"===t)o=new J_(i.name,i.node,s),u.push(o);else if("buffer"===t){e.name=`NodeBuffer_${e.id}`,i.name=`buffer${e.id}`;const t=new H_(e,s);t.name=e.name,u.push(t),o=t}else{const e=this.uniformGroups[r]||(this.uniformGroups[r]={});let n=e[a];void 0===n&&(n=new X_(r+"_"+a,s),e[a]=n,u.push(n)),o=this.getNodeUniform(i,t),n.addUniform(o)}n.uniformGPU=o}return i}}let nv=null,ov=null;class av{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={render:null,compute:null}}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}createSampler(){}destroySampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void it("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return void it(`WebGPURenderer: No timestamp query pool for type '${e}' found.`);const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async waitForGPU(){}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getMaxAnisotropy(){}getDrawingBufferSize(){return nv=nv||new t,this.renderer.getDrawingBufferSize(nv)}setScissorTest(){}getClearColor(){const e=this.renderer;return ov=ov||new Rm,e.getClearColor(ov),ov.getRGB(ov,this.renderer.currentColorSpace),ov}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:nt(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${Ge} webgpu`),this.domElement=e),e}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}dispose(){}}let uv,lv,dv=0;class cv{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class hv{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,o=e.isInterleavedBufferAttribute?e.data:e,a=r.get(o);let u,l=a.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),a.bufferGPU=l,a.bufferType=t,a.version=o.version),i instanceof Float32Array)u=s.FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===T,id:dv++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new cv(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),o=n.bufferType,a=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(o,n.bufferGPU),0===a.length)r.bufferSubData(o,0,s);else{for(let e=0,t=a.length;e<t;e++){const t=a[e];r.bufferSubData(o,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(o,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,{gl:r}=t,s=e.isInterleavedBufferAttribute?e.data:e,{bufferGPU:i}=t.get(s),n=e.array,o=n.byteLength;r.bindBuffer(r.COPY_READ_BUFFER,i);const a=r.createBuffer();r.bindBuffer(r.COPY_WRITE_BUFFER,a),r.bufferData(r.COPY_WRITE_BUFFER,o,r.STREAM_READ),r.copyBufferSubData(r.COPY_READ_BUFFER,r.COPY_WRITE_BUFFER,0,0,o),await t.utils._clientWaitAsync();const u=new e.array.constructor(n.length);return r.bindBuffer(r.COPY_WRITE_BUFFER,a),r.getBufferSubData(r.COPY_WRITE_BUFFER,0,u),r.deleteBuffer(a),r.bindBuffer(r.COPY_READ_BUFFER,null),r.bindBuffer(r.COPY_WRITE_BUFFER,null),u.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class pv{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;uv={[ot]:e.FUNC_ADD,[at]:e.FUNC_SUBTRACT,[ut]:e.FUNC_REVERSE_SUBTRACT},lv={[lt]:e.ZERO,[dt]:e.ONE,[ct]:e.SRC_COLOR,[ht]:e.SRC_ALPHA,[pt]:e.SRC_ALPHA_SATURATE,[gt]:e.DST_COLOR,[mt]:e.DST_ALPHA,[ft]:e.ONE_MINUS_SRC_COLOR,[yt]:e.ONE_MINUS_SRC_ALPHA,[xt]:e.ONE_MINUS_DST_COLOR,[bt]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==Tt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===_t?t.cullFace(t.BACK):e===vt?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setBlending(e,t,r,s,i,n,o,a){const{gl:u}=this;if(e!==D){if(!1===this.currentBlendingEnabled&&(this.enable(u.BLEND),this.currentBlendingEnabled=!0),e===Nt)i=i||t,n=n||r,o=o||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(u.blendEquationSeparate(uv[t],uv[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&o===this.currentBlendDstAlpha||(u.blendFuncSeparate(lv[r],lv[s],lv[n],lv[o]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=o),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||a!==this.currentPremultipledAlpha){if(this.currentBlendEquation===ot&&this.currentBlendEquationAlpha===ot||(u.blendEquation(u.FUNC_ADD),this.currentBlendEquation=ot,this.currentBlendEquationAlpha=ot),a)switch(e){case P:u.blendFuncSeparate(u.ONE,u.ONE_MINUS_SRC_ALPHA,u.ONE,u.ONE_MINUS_SRC_ALPHA);break;case Rt:u.blendFunc(u.ONE,u.ONE);break;case At:u.blendFuncSeparate(u.ZERO,u.ONE_MINUS_SRC_COLOR,u.ZERO,u.ONE);break;case St:u.blendFuncSeparate(u.ZERO,u.SRC_COLOR,u.ZERO,u.SRC_ALPHA);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}else switch(e){case P:u.blendFuncSeparate(u.SRC_ALPHA,u.ONE_MINUS_SRC_ALPHA,u.ONE,u.ONE_MINUS_SRC_ALPHA);break;case Rt:u.blendFunc(u.SRC_ALPHA,u.ONE);break;case At:u.blendFuncSeparate(u.ZERO,u.ONE_MINUS_SRC_COLOR,u.ZERO,u.ONE);break;case St:u.blendFunc(u.ZERO,u.SRC_COLOR);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=a}}else!0===this.currentBlendingEnabled&&(this.disable(u.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case Pt:t.depthFunc(t.NEVER);break;case Ut:t.depthFunc(t.ALWAYS);break;case Ft:t.depthFunc(t.LESS);break;case Bt:t.depthFunc(t.LEQUAL);break;case Mt:t.depthFunc(t.EQUAL);break;case wt:t.depthFunc(t.GEQUAL);break;case Et:t.depthFunc(t.GREATER);break;case Ct:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?t.enable(t.SCISSOR_TEST):t.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===ce?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===_;t&&(i=!i),this.setFlipSided(i),e.blending===P&&!1===e.transparent?this.setBlending(D):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.samples>1?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:o}=this;void 0===r&&(r=null===i?s.TEXTURE0+o-1:i);let a=n[r];void 0===a&&(a={type:void 0,texture:void 0},n[r]=a),a.type===e&&a.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),a.type=e,a.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}}class gv{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=x){const{gl:r,extensions:s}=this;let i;if(e===fe)return r.UNSIGNED_BYTE;if(e===It)return r.UNSIGNED_SHORT_4_4_4_4;if(e===Lt)return r.UNSIGNED_SHORT_5_5_5_1;if(e===Dt)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===rt)return r.BYTE;if(e===st)return r.SHORT;if(e===tt)return r.UNSIGNED_SHORT;if(e===T)return r.INT;if(e===b)return r.UNSIGNED_INT;if(e===w)return r.FLOAT;if(e===Te)return r.HALF_FLOAT;if(e===Vt)return r.ALPHA;if(e===Je)return r.RGB;if(e===Le)return r.RGBA;if(e===Ot)return r.LUMINANCE;if(e===Gt)return r.LUMINANCE_ALPHA;if(e===ge)return r.DEPTH_COMPONENT;if(e===pe)return r.DEPTH_STENCIL;if(e===Ye)return r.RED;if(e===Ke)return r.RED_INTEGER;if(e===Be)return r.RG;if(e===Qe)return r.RG_INTEGER;if(e===et)return r.RGBA_INTEGER;if(e===kt||e===zt||e===$t||e===Wt)if(t===We){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===kt)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===zt)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===$t)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===Wt)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===kt)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===zt)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===$t)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===Wt)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===Ht||e===jt||e===qt||e===Xt){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===Ht)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===jt)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===qt)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===Xt)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===Kt||e===Yt||e===Qt){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===Kt||e===Yt)return t===We?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===Qt)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC}if(e===Zt||e===Jt||e===er||e===tr||e===rr||e===sr||e===ir||e===nr||e===or||e===ar||e===ur||e===lr||e===dr||e===cr){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===Zt)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===Jt)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===er)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===tr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===rr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===sr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===ir)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===nr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===or)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===ar)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===ur)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===lr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===dr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===cr)return t===We?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===hr){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===hr)return t===We?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(e===pr||e===gr||e===mr||e===fr){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===hr)return i.COMPRESSED_RED_RGTC1_EXT;if(e===gr)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===mr)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===fr)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===me?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise(((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()}))}}let mv,fv,yv,xv=!1;class bv{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},!1===xv&&(this._init(),xv=!0)}_init(){const e=this.gl;mv={[yr]:e.REPEAT,[xr]:e.CLAMP_TO_EDGE,[br]:e.MIRRORED_REPEAT},fv={[Tr]:e.NEAREST,[_r]:e.NEAREST_MIPMAP_NEAREST,[Ve]:e.NEAREST_MIPMAP_LINEAR,[$]:e.LINEAR,[De]:e.LINEAR_MIPMAP_NEAREST,[B]:e.LINEAR_MIPMAP_LINEAR},yv={[vr]:e.NEVER,[Nr]:e.ALWAYS,[we]:e.LESS,[Sr]:e.LEQUAL,[Ar]:e.EQUAL,[Rr]:e.GEQUAL,[Cr]:e.GREATER,[Er]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i=!1){const{gl:n,extensions:o}=this;if(null!==e){if(void 0!==n[e])return n[e];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+e+"'")}let a=t;return t===n.RED&&(r===n.FLOAT&&(a=n.R32F),r===n.HALF_FLOAT&&(a=n.R16F),r===n.UNSIGNED_BYTE&&(a=n.R8),r===n.UNSIGNED_SHORT&&(a=n.R16),r===n.UNSIGNED_INT&&(a=n.R32UI),r===n.BYTE&&(a=n.R8I),r===n.SHORT&&(a=n.R16I),r===n.INT&&(a=n.R32I)),t===n.RED_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.R8UI),r===n.UNSIGNED_SHORT&&(a=n.R16UI),r===n.UNSIGNED_INT&&(a=n.R32UI),r===n.BYTE&&(a=n.R8I),r===n.SHORT&&(a=n.R16I),r===n.INT&&(a=n.R32I)),t===n.RG&&(r===n.FLOAT&&(a=n.RG32F),r===n.HALF_FLOAT&&(a=n.RG16F),r===n.UNSIGNED_BYTE&&(a=n.RG8),r===n.UNSIGNED_SHORT&&(a=n.RG16),r===n.UNSIGNED_INT&&(a=n.RG32UI),r===n.BYTE&&(a=n.RG8I),r===n.SHORT&&(a=n.RG16I),r===n.INT&&(a=n.RG32I)),t===n.RG_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RG8UI),r===n.UNSIGNED_SHORT&&(a=n.RG16UI),r===n.UNSIGNED_INT&&(a=n.RG32UI),r===n.BYTE&&(a=n.RG8I),r===n.SHORT&&(a=n.RG16I),r===n.INT&&(a=n.RG32I)),t===n.RGB&&(r===n.FLOAT&&(a=n.RGB32F),r===n.HALF_FLOAT&&(a=n.RGB16F),r===n.UNSIGNED_BYTE&&(a=n.RGB8),r===n.UNSIGNED_SHORT&&(a=n.RGB16),r===n.UNSIGNED_INT&&(a=n.RGB32UI),r===n.BYTE&&(a=n.RGB8I),r===n.SHORT&&(a=n.RGB16I),r===n.INT&&(a=n.RGB32I),r===n.UNSIGNED_BYTE&&(a=s===We&&!1===i?n.SRGB8:n.RGB8),r===n.UNSIGNED_SHORT_5_6_5&&(a=n.RGB565),r===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1),r===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGB4),r===n.UNSIGNED_INT_5_9_9_9_REV&&(a=n.RGB9_E5)),t===n.RGB_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RGB8UI),r===n.UNSIGNED_SHORT&&(a=n.RGB16UI),r===n.UNSIGNED_INT&&(a=n.RGB32UI),r===n.BYTE&&(a=n.RGB8I),r===n.SHORT&&(a=n.RGB16I),r===n.INT&&(a=n.RGB32I)),t===n.RGBA&&(r===n.FLOAT&&(a=n.RGBA32F),r===n.HALF_FLOAT&&(a=n.RGBA16F),r===n.UNSIGNED_BYTE&&(a=n.RGBA8),r===n.UNSIGNED_SHORT&&(a=n.RGBA16),r===n.UNSIGNED_INT&&(a=n.RGBA32UI),r===n.BYTE&&(a=n.RGBA8I),r===n.SHORT&&(a=n.RGBA16I),r===n.INT&&(a=n.RGBA32I),r===n.UNSIGNED_BYTE&&(a=s===We&&!1===i?n.SRGB8_ALPHA8:n.RGBA8),r===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGBA4),r===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1)),t===n.RGBA_INTEGER&&(r===n.UNSIGNED_BYTE&&(a=n.RGBA8UI),r===n.UNSIGNED_SHORT&&(a=n.RGBA16UI),r===n.UNSIGNED_INT&&(a=n.RGBA32UI),r===n.BYTE&&(a=n.RGBA8I),r===n.SHORT&&(a=n.RGBA16I),r===n.INT&&(a=n.RGBA32I)),t===n.DEPTH_COMPONENT&&(r===n.UNSIGNED_INT&&(a=n.DEPTH24_STENCIL8),r===n.FLOAT&&(a=n.DEPTH_COMPONENT32F)),t===n.DEPTH_STENCIL&&r===n.UNSIGNED_INT_24_8&&(a=n.DEPTH24_STENCIL8),a!==n.R16F&&a!==n.R32F&&a!==n.RG16F&&a!==n.RG32F&&a!==n.RGBA16F&&a!==n.RGBA32F||o.get("EXT_color_buffer_float"),a}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this;r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),r.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),r.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,r.NONE),r.texParameteri(e,r.TEXTURE_WRAP_S,mv[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,mv[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||r.texParameteri(e,r.TEXTURE_WRAP_R,mv[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,fv[t.magFilter]);const n=void 0!==t.mipmaps&&t.mipmaps.length>0,o=t.minFilter===$&&n?B:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,fv[o]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,yv[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===Tr)return;if(t.minFilter!==Ve&&t.minFilter!==B)return;if(t.type===w&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i,isDefault:!0})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:o,depth:a}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,o,a):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,o,a):e.isVideoTexture||r.texStorage2D(h,i,d,n,o),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{textureGPU:i,glTextureType:n,glFormat:o,glType:a}=s.get(t),{width:u,height:l}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(n,i),r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(n,0,0,0,u,l,o,a,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:o,glFormat:a,glType:u,glInternalFormat:l}=this.backend.get(e);if(e.isRenderTargetTexture||void 0===n)return;const d=e=>e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||e instanceof OffscreenCanvas?e:e.data;if(this.backend.state.bindTexture(o,n),this.setTextureParameters(o,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==a?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,a,n.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,a,u,n.data):null!==a?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,a,n.data):console.warn("Unsupported compressed texture format")}}else if(e.isCubeTexture){const e=t.images;for(let t=0;t<6;t++){const n=d(e[t]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+t,0,0,0,s,i,a,u,n)}}else if(e.isDataArrayTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,e.width,e.height,e.depth,a,u,e.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,a,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(o,0,l,a,u,t.image);else{const e=d(t.image);r.texSubImage2D(o,0,0,0,s,i,a,u,e)}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e){const{gl:t,backend:r}=this,{textureGPU:s,renderTarget:i}=r.get(e);this.deallocateRenderBuffers(i),t.deleteTexture(s),r.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0){const{gl:n,backend:o}=this,{state:a}=this.backend,{textureGPU:u,glTextureType:l,glType:d,glFormat:c}=o.get(t);let h,p,g,m,f,y;null!==r?(h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.min.x,m=r.min.y):(h=e.image.width,p=e.image.height,g=0,m=0),null!==s?(f=s.x,y=s.y):(f=0,y=0),a.bindTexture(l,u),n.pixelStorei(n.UNPACK_ALIGNMENT,t.unpackAlignment),n.pixelStorei(n.UNPACK_FLIP_Y_WEBGL,t.flipY),n.pixelStorei(n.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),n.pixelStorei(n.UNPACK_ALIGNMENT,t.unpackAlignment);const x=n.getParameter(n.UNPACK_ROW_LENGTH),b=n.getParameter(n.UNPACK_IMAGE_HEIGHT),T=n.getParameter(n.UNPACK_SKIP_PIXELS),_=n.getParameter(n.UNPACK_SKIP_ROWS),v=n.getParameter(n.UNPACK_SKIP_IMAGES),N=e.isCompressedTexture?e.mipmaps[i]:e.image;if(n.pixelStorei(n.UNPACK_ROW_LENGTH,N.width),n.pixelStorei(n.UNPACK_IMAGE_HEIGHT,N.height),n.pixelStorei(n.UNPACK_SKIP_PIXELS,g),n.pixelStorei(n.UNPACK_SKIP_ROWS,m),e.isRenderTargetTexture||e.isDepthTexture){const r=o.get(e),s=o.get(t),i=o.get(r.renderTarget),u=o.get(s.renderTarget),l=i.framebuffers[r.cacheKey],d=u.framebuffers[s.cacheKey];a.bindFramebuffer(n.READ_FRAMEBUFFER,l),a.bindFramebuffer(n.DRAW_FRAMEBUFFER,d);let c=n.COLOR_BUFFER_BIT;e.isDepthTexture&&(c=n.DEPTH_BUFFER_BIT),n.blitFramebuffer(g,m,h,p,f,y,h,p,c,n.NEAREST),a.bindFramebuffer(n.READ_FRAMEBUFFER,null),a.bindFramebuffer(n.DRAW_FRAMEBUFFER,null)}else e.isDataTexture?n.texSubImage2D(n.TEXTURE_2D,i,f,y,h,p,c,d,N.data):e.isCompressedTexture?n.compressedTexSubImage2D(n.TEXTURE_2D,i,f,y,N.width,N.height,c,N.data):n.texSubImage2D(n.TEXTURE_2D,i,f,y,h,p,c,d,N);n.pixelStorei(n.UNPACK_ROW_LENGTH,x),n.pixelStorei(n.UNPACK_IMAGE_HEIGHT,b),n.pixelStorei(n.UNPACK_SKIP_PIXELS,T),n.pixelStorei(n.UNPACK_SKIP_ROWS,_),n.pixelStorei(n.UNPACK_SKIP_IMAGES,v),0===i&&t.generateMipmaps&&n.generateMipmap(n.TEXTURE_2D),a.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:o,y:a,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==o||0!==a;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-a-l;s.blitFramebuffer(o,p,o+u,p+l,o,p,o+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,o,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,o,c-l-a,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t){const{gl:r}=this,s=t.renderTarget,{samples:i,depthTexture:n,depthBuffer:o,stencilBuffer:a,width:u,height:l}=s;if(r.bindRenderbuffer(r.RENDERBUFFER,e),o&&!a){let t=r.DEPTH_COMPONENT24;i>0?(n&&n.isDepthTexture&&n.type===r.FLOAT&&(t=r.DEPTH_COMPONENT32F),r.renderbufferStorageMultisample(r.RENDERBUFFER,i,t,u,l)):r.renderbufferStorage(r.RENDERBUFFER,t,u,l),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,e)}else o&&a&&(i>0?r.renderbufferStorageMultisample(r.RENDERBUFFER,i,r.DEPTH24_STENCIL8,u,l):r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_STENCIL,u,l),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_STENCIL_ATTACHMENT,r.RENDERBUFFER,e))}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:o,gl:a}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=a.createFramebuffer();a.bindFramebuffer(a.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?a.TEXTURE_CUBE_MAP_POSITIVE_X+n:a.TEXTURE_2D;a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=a.createBuffer();a.bindBuffer(a.PIXEL_PACK_BUFFER,m),a.bufferData(a.PIXEL_PACK_BUFFER,g,a.STREAM_READ),a.readPixels(t,r,s,i,l,d,0),a.bindBuffer(a.PIXEL_PACK_BUFFER,null),await o.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return a.bindBuffer(a.PIXEL_PACK_BUFFER,m),a.getBufferSubData(a.PIXEL_PACK_BUFFER,0,f),a.bindBuffer(a.PIXEL_PACK_BUFFER,null),a.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}}class Tv{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class _v{constructor(e){this.backend=e,this.maxAnisotropy=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}const vv={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBKIT_WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-bc",EXT_texture_compression_bptc:"texture-compression-bptc",EXT_disjoint_timer_query_webgl2:"timestamp-query"};class Nv{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:o,index:a}=this;0!==a?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),o.update(i,t,s,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:o,object:a,info:u}=this;0!==r&&(0!==o?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(a,t,i,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:o}=this;if(0===r)return;const a=s.get("WEBGL_multi_draw");if(null===a)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?a.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):a.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];o.update(n,s,i,1)}}renderMultiDrawInstances(e,t,r,s){const{extensions:i,mode:n,object:o,info:a}=this;if(0===r)return;const u=i.get("WEBGL_multi_draw");if(null===u)for(let i=0;i<r;i++)this.renderInstances(e[i],t[i],s[i]);else{0!==this.index?u.multiDrawElementsInstancedWEBGL(n,t,0,this.type,e,0,s,0,r):u.multiDrawArraysInstancedWEBGL(n,e,0,t,0,s,0,r);let i=0;for(let e=0;e<r;e++)i+=t[e]*s[e];a.update(o,i,n,1)}}}class Sv{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.pendingResolve=!1}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class Av extends Sv{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return console.warn("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return it(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e.id,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e.id);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){console.error("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e.id);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){console.error("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=[];for(const[t,r]of this.queryStates)if("ended"===r){const r=this.queries[t];e.push(this.resolveQuery(r))}if(0===e.length)return this.lastValue;const t=(await Promise.all(e)).reduce(((e,t)=>e+t),0);return this.lastValue=t,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,t}catch(e){return console.error("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise((t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){console.error("Error checking query:",e),t(this.lastValue)}};n()}))}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class Rv extends av{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this.trackTimestamp=!0===e.trackTimestamp,this._currentContext=null,this._knownBindings=new WeakSet,this._xrFamebuffer=null}init(e){super.init(e);const t=this.parameters,r=void 0!==t.context?t.context:e.domElement.getContext("webgl2");function s(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=s,e.domElement.addEventListener("webglcontextlost",s,!1),this.gl=r,this.extensions=new Tv(this),this.capabilities=new _v(this),this.attributeUtils=new hv(this),this.textureUtils=new bv(this),this.bufferRenderer=new Nv(this),this.state=new pv(this),this.utils=new gv(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile")}get coordinateSystem(){return l}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}async waitForGPU(){await this.utils._clientWaitAsync()}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFamebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),e.autoAllocateDepthBuffer=!1}}initTimestampQuery(e){if(!this.disjoint||!this.trackTimestamp)return;const t=e.isComputeNode?"compute":"render";this.timestampQueryPool[t]||(this.timestampQueryPool[t]=new Av(this.gl,t,2048));const r=this.timestampQueryPool[t];null!==r.allocateQueriesForContext(e)&&r.beginQuery(e)}prepareTimestampBuffer(e){if(!this.disjoint||!this.trackTimestamp)return;const t=e.isComputeNode?"compute":"render";this.timestampQueryPool[t].endQuery(e)}getContext(){return this.gl}beginRender(e){const{state:t,gl:r}=this,s=this.get(e);if(this.initTimestampQuery(e),s.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1),e.viewport?this.updateViewport(e):t.viewport(0,0,r.drawingBufferWidth,r.drawingBufferHeight),e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}const i=e.occlusionQueryCount;i>0&&(s.currentOcclusionQueries=s.occlusionQueries,s.currentOcclusionQueryObjects=s.occlusionQueryObjects,s.lastOcclusionObject=null,s.occlusionQueries=new Array(i),s.occlusionQueryObjects=new Array(i),s.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext,n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const o=e.textures;if(null!==o)for(let e=0;e<o.length;e++){const t=o[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,null!==e.textures&&e.renderTarget){const s=this.get(e.renderTarget),{samples:i}=e.renderTarget;if(i>0){const i=s.framebuffers[e.getCacheKey()],n=t.COLOR_BUFFER_BIT,o=s.msaaFrameBuffer,a=e.textures;r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,i);for(let r=0;r<a.length;r++)if(e.scissor){const{x:r,y:i,width:o,height:a}=e.scissorValue,u=e.height-a-i;t.blitFramebuffer(r,u,r+o,u+a,r,u,r+o,u+a,n,t.NEAREST),t.invalidateSubFramebuffer(t.READ_FRAMEBUFFER,s.invalidationArray,r,u,o,a)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,n,t.NEAREST),t.invalidateFramebuffer(t.READ_FRAMEBUFFER,s.invalidationArray)}}null!==i&&(this._setFramebuffer(i),i.viewport?this.updateViewport(i):r.viewport(0,0,t.drawingBufferWidth,t.drawingBufferHeight)),this.prepareTimestampBuffer(e)}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let o=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),o++))}o<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}clear(e,t,r,s=null,i=!0){const{gl:n}=this;if(null===s){const e=this.getClearColor();e.r*=e.a,e.g*=e.a,e.b*=e.a,s={textures:null,clearColorValue:e}}let o=0;if(e&&(o|=n.COLOR_BUFFER_BIT),t&&(o|=n.DEPTH_BUFFER_BIT),r&&(o|=n.STENCIL_BUFFER_BIT),0!==o){let a;if(s.clearColorValue?a=s.clearColorValue:(a=this.getClearColor(),a.r*=a.a,a.g*=a.a,a.b*=a.a),t&&this.state.setDepthMask(!0),null===s.textures)n.clearColor(a.r,a.g,a.b,a.a),n.clear(o);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)n.clearBufferfv(n.COLOR,e,[a.r,a.g,a.b,a.a]);t&&r?n.clearBufferfi(n.DEPTH_STENCIL,0,1,0):t?n.clearBufferfv(n.DEPTH,0,[1]):r&&n.clearBufferiv(n.STENCIL,0,[0])}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(e)}compute(e,t,r,s){const{state:i,gl:n}=this;!1===this.discard&&(n.enable(n.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:a,attributes:u}=this.get(s),l=this._getVaoKey(null,u),d=this.vaoCache[l];void 0===d?this._createVao(null,u):n.bindVertexArray(d),i.useProgram(o),this._bindUniforms(r);const c=this._getTransformFeedback(a);n.bindTransformFeedback(n.TRANSFORM_FEEDBACK,c),n.beginTransformFeedback(n.POINTS),u[0].isStorageInstancedBufferAttribute?n.drawArraysInstanced(n.POINTS,0,1,t.count):n.drawArrays(n.POINTS,0,t.count),n.endTransformFeedback(),n.bindTransformFeedback(n.TRANSFORM_FEEDBACK,null);for(let e=0;e<a.length;e++){const t=a[e];t.pbo&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const t=this.gl;this.discard=!1,t.disable(t.RASTERIZER_DISCARD),this.prepareTimestampBuffer(e),this._currentContext&&this._setFramebuffer(this._currentContext)}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:o}=this.get(r),{gl:a,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),u.useProgram(o);const h=this.get(e);let p=h.staticVao;if(void 0===p||h.geometryId!==e.geometry.id){const t=this._getVaoKey(e.getIndex(),e.getAttributes());if(p=this.vaoCache[t],void 0===p){let t;({vaoGPU:p,staticVao:t}=this._createVao(e.getIndex(),e.getAttributes())),t&&(h.staticVao=p,h.geometryId=e.geometry.id)}}a.bindVertexArray(p);const g=e.getIndex(),m=l.lastOcclusionObject;if(m!==t&&void 0!==m){if(null!==m&&!0===m.occlusionTest&&(a.endQuery(a.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=a.createQuery();a.beginQuery(a.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const f=this.bufferRenderer;t.isPoints?f.mode=a.POINTS:t.isLineSegments?f.mode=a.LINES:t.isLine?f.mode=a.LINE_STRIP:t.isLineLoop?f.mode=a.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),f.mode=a.LINES):f.mode=a.TRIANGLES;const{vertexCount:y,instanceCount:x}=d;let{firstVertex:b}=d;if(f.object=t,null!==g){b*=g.array.BYTES_PER_ELEMENT;const e=this.get(g);f.index=g.count,f.type=e.type}else f.index=0;const T=()=>{t.isBatchedMesh?null!==t._multiDrawInstances?f.renderMultiDrawInstances(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount,t._multiDrawInstances):this.hasFeature("WEBGL_multi_draw")?f.renderMultiDraw(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount):it("THREE.WebGLRenderer: WEBGL_multi_draw not supported."):x>1?f.renderInstances(b,y,x):f.render(b,y)};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=a.createBuffer();e[0]=r,a.bindBuffer(a.UNIFORM_BUFFER,s),a.bufferData(a.UNIFORM_BUFFER,e,a.STATIC_DRAW),t.push(s)}r.indexesGPU=t}const n=this.get(i),o=this.renderer.getPixelRatio();for(let i=0,l=s.length;i<l;i++){const l=s[i];if(t.layers.test(l.layers)){const t=l.viewport,s=t.x*o,d=t.y*o,c=t.width*o,h=t.height*o;u.viewport(Math.floor(s),Math.floor(e.context.height-h-d),Math.floor(c),Math.floor(h)),u.bindBufferBase(a.UNIFORM_BUFFER,n.index,r.indexesGPU[i]),T()}}}else T();a.bindVertexArray(null)}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e){this.textureUtils.destroyTexture(e)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}createSampler(){}destroySampler(){}createNodeBuilder(e,t){return new iv(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,o=r.createProgram(),a=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(o,a),r.attachShader(o,u),r.linkProgram(o),this.set(s,{programGPU:o,fragmentShader:a,vertexShader:u}),null!==t&&this.parallel){const i=new Promise((t=>{const i=this.parallel,n=()=>{r.getProgramParameter(o,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()}));t.push(i)}else this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=e.getShaderInfoLog(t).trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=s.getProgramInfoLog(e).trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),o=this._getShaderErrors(s,t,"fragment");console.error("THREE.WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+o)}else""!==i&&console.warn("THREE.WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:o,vertexShader:a}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,o,a),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,o=s.createProgram(),a=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(o,a),s.attachShader(o,u),s.transformFeedbackVaryings(o,d,s.SEPARATE_ATTRIBS),s.linkProgram(o),!1===s.getProgramParameter(o,s.LINK_STATUS)&&this._logProgramError(o,a,u),r.useProgram(o),this._setupBindings(t,o);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:o,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this,r=this.get(e);let s=r.uniformBuffers,i=r.textures;for(const r of e.bindings)if(r.isUniformsGroup||r.isUniformBuffer){const e=r.buffer,i=t.createBuffer();t.bindBuffer(t.UNIFORM_BUFFER,i),t.bufferData(t.UNIFORM_BUFFER,e,t.DYNAMIC_DRAW),this.set(r,{index:s++,bufferGPU:i})}else if(r.isSampledTexture){const{textureGPU:e,glTextureType:t}=this.get(r.texture);this.set(r,{index:i++,textureGPU:e,glTextureType:t})}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer;t.bindBuffer(t.UNIFORM_BUFFER,r),t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW)}}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(vv).filter((t=>vv[t]===e)),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}getMaxAnisotropy(){return this.capabilities.getMaxAnisotropy()}copyTextureToTexture(e,t,r=null,s=null,i=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:o,depthBuffer:a,stencilBuffer:u}=i,l=!0===i.isWebGLCubeRenderTarget,d=!0===i.isRenderTarget3D,c=!0===i.isRenderTargetArray,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i.hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=bm(e);let y;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),y=n.cubeFramebuffers[f]):h&&!1===p?y=this._xrFamebuffer:(n.framebuffers||(n.framebuffers={}),y=n.framebuffers[f]),void 0===y){y=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,y);const s=e.textures;if(l){n.cubeFramebuffers[f]=y;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,0)}else{n.framebuffers[f]=y;for(let r=0;r<s.length;r++){const i=s[r],n=this.get(i);n.renderTarget=e.renderTarget,n.cacheKey=f;const o=t.COLOR_ATTACHMENT0+r;if(d||c){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,o,n.textureGPU,0,e)}else t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,n.textureGPU,0)}r.drawBuffers(e,y)}if(null!==e.depthTexture){const r=this.get(e.depthTexture),s=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;r.renderTarget=e.renderTarget,r.cacheKey=f,t.framebufferTexture2D(t.FRAMEBUFFER,s,t.TEXTURE_2D,r.textureGPU,0)}}else if(h&&p){r.bindFramebuffer(t.FRAMEBUFFER,y);const s=this.get(e.textures[0]);if(t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0),null!==e.depthTexture){const r=this.get(e.depthTexture),s=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTexture2D(t.FRAMEBUFFER,s,t.TEXTURE_2D,r.textureGPU,0)}}if(o>0){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){if(i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r),a){const e=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(e)}const n=e.textures[r],l=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,o,l.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=y}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e,t){let r="";if(null!==e){r+=":"+this.get(e).id}for(let e=0;e<t.length;e++){r+=":"+this.get(t[e]).id}return r}_createVao(e,t){const{gl:r}=this,s=r.createVertexArray();let i="",n=!0;if(r.bindVertexArray(s),null!==e){const t=this.get(e);r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t.bufferGPU),i+=":"+t.id}for(let e=0;e<t.length;e++){const s=t[e],o=this.get(s);let a,u;i+=":"+o.id,r.bindBuffer(r.ARRAY_BUFFER,o.bufferGPU),r.enableVertexAttribArray(e),(s.isStorageBufferAttribute||s.isStorageInstancedBufferAttribute)&&(n=!1),!0===s.isInterleavedBufferAttribute?(a=s.data.stride*o.bytesPerElement,u=s.offset*o.bytesPerElement):(a=0,u=0),o.isInteger?r.vertexAttribIPointer(e,s.itemSize,o.type,a,u):r.vertexAttribPointer(e,s.itemSize,o.type,s.normalized,a,u),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?r.vertexAttribDivisor(e,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&r.vertexAttribDivisor(e,s.data.meshPerAttribute)}return r.bindBuffer(r.ARRAY_BUFFER,null),this.vaoCache[i]=s,{vaoGPU:s,staticVao:n}}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;for(const s of e)for(const e of s.bindings){const s=this.get(e).index;if(e.isUniformsGroup||e.isUniformBuffer){const i=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,i,s)}else if(e.isSampledTexture){const i=r.getUniformLocation(t,e.name);r.uniform1i(i,s)}}}_bindUniforms(e){const{gl:t,state:r}=this;for(const s of e)for(const e of s.bindings){const s=this.get(e),i=s.index;e.isUniformsGroup||e.isUniformBuffer?r.bindBufferBase(t.UNIFORM_BUFFER,i,s.bufferGPU):e.isSampledTexture&&r.bindTexture(s.glTextureType,s.textureGPU,t.TEXTURE0+i)}}dispose(){const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const Cv="point-list",Ev="line-list",wv="line-strip",Mv="triangle-list",Bv="triangle-strip",Fv="never",Uv="less",Pv="equal",Iv="less-equal",Lv="greater",Dv="not-equal",Vv="greater-equal",Ov="always",Gv="store",kv="load",zv="clear",$v="ccw",Wv="none",Hv="front",jv="back",qv="uint16",Xv="uint32",Kv={R8Unorm:"r8unorm",R8Snorm:"r8snorm",R8Uint:"r8uint",R8Sint:"r8sint",R16Uint:"r16uint",R16Sint:"r16sint",R16Float:"r16float",RG8Unorm:"rg8unorm",RG8Snorm:"rg8snorm",RG8Uint:"rg8uint",RG8Sint:"rg8sint",R32Uint:"r32uint",R32Sint:"r32sint",R32Float:"r32float",RG16Uint:"rg16uint",RG16Sint:"rg16sint",RG16Float:"rg16float",RGBA8Unorm:"rgba8unorm",RGBA8UnormSRGB:"rgba8unorm-srgb",RGBA8Snorm:"rgba8snorm",RGBA8Uint:"rgba8uint",RGBA8Sint:"rgba8sint",BGRA8Unorm:"bgra8unorm",BGRA8UnormSRGB:"bgra8unorm-srgb",RGB9E5UFloat:"rgb9e5ufloat",RGB10A2Unorm:"rgb10a2unorm",RG11B10uFloat:"rgb10a2unorm",RG32Uint:"rg32uint",RG32Sint:"rg32sint",RG32Float:"rg32float",RGBA16Uint:"rgba16uint",RGBA16Sint:"rgba16sint",RGBA16Float:"rgba16float",RGBA32Uint:"rgba32uint",RGBA32Sint:"rgba32sint",RGBA32Float:"rgba32float",Stencil8:"stencil8",Depth16Unorm:"depth16unorm",Depth24Plus:"depth24plus",Depth24PlusStencil8:"depth24plus-stencil8",Depth32Float:"depth32float",Depth32FloatStencil8:"depth32float-stencil8",BC1RGBAUnorm:"bc1-rgba-unorm",BC1RGBAUnormSRGB:"bc1-rgba-unorm-srgb",BC2RGBAUnorm:"bc2-rgba-unorm",BC2RGBAUnormSRGB:"bc2-rgba-unorm-srgb",BC3RGBAUnorm:"bc3-rgba-unorm",BC3RGBAUnormSRGB:"bc3-rgba-unorm-srgb",BC4RUnorm:"bc4-r-unorm",BC4RSnorm:"bc4-r-snorm",BC5RGUnorm:"bc5-rg-unorm",BC5RGSnorm:"bc5-rg-snorm",BC6HRGBUFloat:"bc6h-rgb-ufloat",BC6HRGBFloat:"bc6h-rgb-float",BC7RGBAUnorm:"bc7-rgba-unorm",BC7RGBAUnormSRGB:"bc7-rgba-srgb",ETC2RGB8Unorm:"etc2-rgb8unorm",ETC2RGB8UnormSRGB:"etc2-rgb8unorm-srgb",ETC2RGB8A1Unorm:"etc2-rgb8a1unorm",ETC2RGB8A1UnormSRGB:"etc2-rgb8a1unorm-srgb",ETC2RGBA8Unorm:"etc2-rgba8unorm",ETC2RGBA8UnormSRGB:"etc2-rgba8unorm-srgb",EACR11Unorm:"eac-r11unorm",EACR11Snorm:"eac-r11snorm",EACRG11Unorm:"eac-rg11unorm",EACRG11Snorm:"eac-rg11snorm",ASTC4x4Unorm:"astc-4x4-unorm",ASTC4x4UnormSRGB:"astc-4x4-unorm-srgb",ASTC5x4Unorm:"astc-5x4-unorm",ASTC5x4UnormSRGB:"astc-5x4-unorm-srgb",ASTC5x5Unorm:"astc-5x5-unorm",ASTC5x5UnormSRGB:"astc-5x5-unorm-srgb",ASTC6x5Unorm:"astc-6x5-unorm",ASTC6x5UnormSRGB:"astc-6x5-unorm-srgb",ASTC6x6Unorm:"astc-6x6-unorm",ASTC6x6UnormSRGB:"astc-6x6-unorm-srgb",ASTC8x5Unorm:"astc-8x5-unorm",ASTC8x5UnormSRGB:"astc-8x5-unorm-srgb",ASTC8x6Unorm:"astc-8x6-unorm",ASTC8x6UnormSRGB:"astc-8x6-unorm-srgb",ASTC8x8Unorm:"astc-8x8-unorm",ASTC8x8UnormSRGB:"astc-8x8-unorm-srgb",ASTC10x5Unorm:"astc-10x5-unorm",ASTC10x5UnormSRGB:"astc-10x5-unorm-srgb",ASTC10x6Unorm:"astc-10x6-unorm",ASTC10x6UnormSRGB:"astc-10x6-unorm-srgb",ASTC10x8Unorm:"astc-10x8-unorm",ASTC10x8UnormSRGB:"astc-10x8-unorm-srgb",ASTC10x10Unorm:"astc-10x10-unorm",ASTC10x10UnormSRGB:"astc-10x10-unorm-srgb",ASTC12x10Unorm:"astc-12x10-unorm",ASTC12x10UnormSRGB:"astc-12x10-unorm-srgb",ASTC12x12Unorm:"astc-12x12-unorm",ASTC12x12UnormSRGB:"astc-12x12-unorm-srgb"},Yv="clamp-to-edge",Qv="repeat",Zv="mirror-repeat",Jv="linear",eN="nearest",tN="zero",rN="one",sN="src",iN="one-minus-src",nN="src-alpha",oN="one-minus-src-alpha",aN="dst",uN="one-minus-dst",lN="dst-alpha",dN="one-minus-dst-alpha",cN="src-alpha-saturated",hN="constant",pN="one-minus-constant",gN="add",mN="subtract",fN="reverse-subtract",yN="min",xN="max",bN=0,TN=15,_N="keep",vN="zero",NN="replace",SN="invert",AN="increment-clamp",RN="decrement-clamp",CN="increment-wrap",EN="decrement-wrap",wN="storage",MN="read-only-storage",BN="write-only",FN="read-only",UN="read-write",PN="float",IN="unfilterable-float",LN="depth",DN="sint",VN="uint",ON="2d",GN="3d",kN="2d",zN="2d-array",$N="cube",WN="3d",HN="all",jN="vertex",qN="instance",XN={DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups"};class KN extends k_{constructor(e,t){super(e),this.texture=t,this.version=t?t.version:0,this.isSampler=!0}}class YN extends KN{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){this.texture=this.textureNode.value}}class QN extends z_{constructor(e,t){super(e,t?t.array:null),this.attribute=t,this.isStorageBuffer=!0}}let ZN=0;class JN extends QN{constructor(e,t){super("StorageBuffer_"+ZN++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:Us.READ_WRITE,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class eS extends qg{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:Jv}),this.flipYSampler=e.createSampler({minFilter:eN}),this.transferPipelines={},this.flipYPipelines={},this.mipmapVertexShaderModule=e.createShaderModule({label:"mipmapVertex",code:"\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4<f32>,\n\t@location( 0 ) vTex : vec2<f32>\n};\n\n@vertex\nfn main( @builtin( vertex_index ) vertexIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array< vec2<f32>, 4 >(\n\t\tvec2<f32>( -1.0, 1.0 ),\n\t\tvec2<f32>( 1.0, 1.0 ),\n\t\tvec2<f32>( -1.0, -1.0 ),\n\t\tvec2<f32>( 1.0, -1.0 )\n\t);\n\n\tvar tex = array< vec2<f32>, 4 >(\n\t\tvec2<f32>( 0.0, 0.0 ),\n\t\tvec2<f32>( 1.0, 0.0 ),\n\t\tvec2<f32>( 0.0, 1.0 ),\n\t\tvec2<f32>( 1.0, 1.0 )\n\t);\n\n\tVarys.vTex = tex[ vertexIndex ];\n\tVarys.Position = vec4<f32>( pos[ vertexIndex ], 0.0, 1.0 );\n\n\treturn Varys;\n\n}\n"}),this.mipmapFragmentShaderModule=e.createShaderModule({label:"mipmapFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d<f32>;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img, imgSampler, vTex );\n\n}\n"}),this.flipYFragmentShaderModule=e.createShaderModule({label:"flipYFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d<f32>;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img, imgSampler, vec2( vTex.x, 1.0 - vTex.y ) );\n\n}\n"})}getTransferPipeline(e){let t=this.transferPipelines[e];return void 0===t&&(t=this.device.createRenderPipeline({label:`mipmap-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.mipmapFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:Bv,stripIndexFormat:Xv},layout:"auto"}),this.transferPipelines[e]=t),t}getFlipYPipeline(e){let t=this.flipYPipelines[e];return void 0===t&&(t=this.device.createRenderPipeline({label:`flipY-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.flipYFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:Bv,stripIndexFormat:Xv},layout:"auto"}),this.flipYPipelines[e]=t),t}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size,o=this.getTransferPipeline(s),a=this.getFlipYPipeline(s),u=this.device.createTexture({size:{width:i,height:n,depthOrArrayLayers:1},format:s,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),l=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:kN,baseArrayLayer:r}),d=u.createView({baseMipLevel:0,mipLevelCount:1,dimension:kN,baseArrayLayer:0}),c=this.device.createCommandEncoder({}),h=(e,t,r)=>{const s=e.getBindGroupLayout(0),i=this.device.createBindGroup({layout:s,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:t}]}),n=c.beginRenderPass({colorAttachments:[{view:r,loadOp:zv,storeOp:Gv,clearValue:[0,0,0,0]}]});n.setPipeline(e),n.setBindGroup(0,i),n.draw(4,1,0,0),n.end()};h(o,l,d),h(a,d,l),this.device.queue.submit([c.finish()]),u.destroy()}generateMipmaps(e,t,r=0){const s=this.get(e);void 0===s.useCount&&(s.useCount=0,s.layers=[]);const i=s.layers[r]||this._mipmapCreateBundles(e,t,r),n=this.device.createCommandEncoder({});this._mipmapRunBundles(n,i),this.device.queue.submit([n.finish()]),0!==s.useCount&&(s.layers[r]=i),s.useCount++}_mipmapCreateBundles(e,t,r){const s=this.getTransferPipeline(t.format),i=s.getBindGroupLayout(0);let n=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:kN,baseArrayLayer:r});const o=[];for(let a=1;a<t.mipLevelCount;a++){const u=this.device.createBindGroup({layout:i,entries:[{binding:0,resource:this.mipmapSampler},{binding:1,resource:n}]}),l=e.createView({baseMipLevel:a,mipLevelCount:1,dimension:kN,baseArrayLayer:r}),d={colorAttachments:[{view:l,loadOp:zv,storeOp:Gv,clearValue:[0,0,0,0]}]},c=this.device.createRenderBundleEncoder({colorFormats:[t.format]});c.setPipeline(s),c.setBindGroup(0,u),c.draw(4,1,0,0),o.push({renderBundles:[c.finish()],passDescriptor:d}),n=l}return o}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}const tS={[vr]:"never",[we]:"less",[Ar]:"equal",[Sr]:"less-equal",[Cr]:"greater",[Rr]:"greater-equal",[Nr]:"always",[Er]:"not-equal"},rS=[0,1,3,2,4,5];class sS{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this.colorBuffer=null,this.depthTexture=new F,this.depthTexture.name="depthBuffer"}createSampler(e){const t=this.backend,r=t.device,s=t.get(e),i={addressModeU:this._convertAddressMode(e.wrapS),addressModeV:this._convertAddressMode(e.wrapT),addressModeW:this._convertAddressMode(e.wrapR),magFilter:this._convertFilterMode(e.magFilter),minFilter:this._convertFilterMode(e.minFilter),mipmapFilter:this._convertFilterMode(e.minFilter),maxAnisotropy:1};i.magFilter===Jv&&i.minFilter===Jv&&i.mipmapFilter===Jv&&(i.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&(i.compare=tS[e.compareFunction]),s.sampler=r.createSampler(i)}createDefaultTexture(e){let t;const r=iS(e);e.isCubeTexture?t=this._getDefaultCubeTextureGPU(r):e.isVideoTexture?this.backend.get(e).externalTexture=this._getDefaultVideoFrame():t=this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized)throw new Error("WebGPUTextureUtils: Texture already initialized.");void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:o,levels:a}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||iS(e,r.device);s.format=l;const{samples:d,primarySamples:c,isMSAA:h}=r.utils.getTextureSampleData(e);let p=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(p|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&(p|=GPUTextureUsage.RENDER_ATTACHMENT);const g={label:e.name,size:{width:i,height:n,depthOrArrayLayers:o},mipLevelCount:a,sampleCount:c,dimension:u,format:l,usage:p};if(e.isVideoTexture){const t=e.source.data,r=new VideoFrame(t);g.size.width=r.displayWidth,g.size.height=r.displayHeight,r.close(),s.externalTexture=t}else{if(void 0===l)return console.warn("WebGPURenderer: Texture format not supported."),this.createDefaultTexture(e);s.texture=r.device.createTexture(g)}if(h){const e=Object.assign({},g);e.label=e.label+"-msaa",e.sampleCount=d,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=g}destroyTexture(e){const t=this.backend,r=t.get(e);void 0!==r.texture&&r.texture.destroy(),void 0!==r.msaaTexture&&r.msaaTexture.destroy(),t.delete(e)}destroySampler(e){delete this.backend.get(e).sampler}generateMipmaps(e){const t=this.backend.get(e);if(e.isCubeTexture)for(let e=0;e<6;e++)this._generateMipmaps(t.texture,t.textureDescriptorGPU,e);else{const r=e.image.depth||1;for(let e=0;e<r;e++)this._generateMipmaps(t.texture,t.textureDescriptorGPU,e)}}getColorBuffer(){this.colorBuffer&&this.colorBuffer.destroy();const e=this.backend,{width:t,height:r}=e.getDrawingBufferSize();return this.colorBuffer=e.device.createTexture({label:"colorBuffer",size:{width:t,height:r,depthOrArrayLayers:1},sampleCount:e.utils.getSampleCount(e.renderer.samples),format:e.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),this.colorBuffer}getDepthBuffer(e=!0,t=!1){const r=this.backend,{width:s,height:i}=r.getDrawingBufferSize(),n=this.depthTexture,o=r.get(n).texture;let a,u;if(t?(a=pe,u=me):e&&(a=ge,u=b),void 0!==o){if(n.image.width===s&&n.image.height===i&&n.format===a&&n.type===u)return o;this.destroyTexture(n)}return n.name="depthBuffer",n.format=a,n.type=u,n.image.width=s,n.image.height=i,this.createTexture(n,{width:s,height:i}),r.get(n).texture}updateTexture(e,t){const r=this.backend.get(e),{textureDescriptorGPU:s}=r;if(!e.isRenderTargetTexture&&void 0!==s){if(e.isDataTexture)this._copyBufferToTexture(t.image,r.texture,s,0,e.flipY);else if(e.isDataArrayTexture||e.isData3DTexture)for(let i=0;i<t.image.depth;i++)this._copyBufferToTexture(t.image,r.texture,s,i,e.flipY,i);else if(e.isCompressedTexture||e.isCompressedArrayTexture)this._copyCompressedBufferToTexture(e.mipmaps,r.texture,s);else if(e.isCubeTexture)this._copyCubeMapToTexture(t.images,r.texture,s,e.flipY);else if(e.isVideoTexture){const t=e.source.data;r.externalTexture=t}else this._copyImageToTexture(t.image,r.texture,s,0,e.flipY);r.version=e.version,e.onUpdate&&e.onUpdate(e)}}async copyTextureToBuffer(e,t,r,s,i,n){const o=this.backend.device,a=this.backend.get(e),u=a.texture,l=a.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256);const h=o.createBuffer({size:s*i*d,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),p=o.createCommandEncoder();p.copyTextureToBuffer({texture:u,origin:{x:t,y:r,z:n}},{buffer:h,bytesPerRow:c},{width:s,height:i});const g=this._getTypedArrayType(l);o.queue.submit([p.finish()]),await h.mapAsync(GPUMapMode.READ);return new g(h.getMappedRange())}_isEnvironmentTexture(e){const t=e.mapping;return t===j||t===q||t===v||t===N}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new ee;r.minFilter=Tr,r.magFilter=Tr,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new H;r.minFilter=Tr,r.magFilter=Tr,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultVideoFrame(){let e=this.defaultVideoFrame;if(null===e){const t={timestamp:0,codedWidth:1,codedHeight:1,format:"RGBA"};this.defaultVideoFrame=e=new VideoFrame(new Uint8Array([0,0,0,255]),t)}return e}_copyCubeMapToTexture(e,t,r,s){for(let i=0;i<6;i++){const n=e[i],o=!0===s?rS[i]:i;n.isDataTexture?this._copyBufferToTexture(n.image,t,r,o,s):this._copyImageToTexture(n,t,r,o,s)}}_copyImageToTexture(e,t,r,s,i){this.backend.device.queue.copyExternalImageToTexture({source:e,flipY:i},{texture:t,mipLevel:0,origin:{x:0,y:0,z:s}},{width:e.width,height:e.height,depthOrArrayLayers:1})}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new eS(this.backend.device)),e}_generateMipmaps(e,t,r=0){this._getPassUtils().generateMipmaps(e,t,r)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0){const o=this.backend.device,a=e.data,u=this._getBytesPerTexel(r.format),l=e.width*u;o.queue.writeTexture({texture:t,mipLevel:0,origin:{x:0,y:0,z:s}},a,{offset:e.width*e.height*u*n,bytesPerRow:l},{width:e.width,height:e.height,depthOrArrayLayers:1}),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r){const s=this.backend.device,i=this._getBlockData(r.format),n=r.size.depthOrArrayLayers>1;for(let o=0;o<e.length;o++){const a=e[o],u=a.width,l=a.height,d=n?r.size.depthOrArrayLayers:1,c=Math.ceil(u/i.width)*i.byteLength,h=c*Math.ceil(l/i.height);for(let e=0;e<d;e++)s.queue.writeTexture({texture:t,mipLevel:o,origin:{x:0,y:0,z:e}},a.data,{offset:e*h,bytesPerRow:c,rowsPerImage:Math.ceil(l/i.height)},{width:Math.ceil(u/i.width)*i.width,height:Math.ceil(l/i.height)*i.height,depthOrArrayLayers:1})}}_getBlockData(e){return e===Kv.BC1RGBAUnorm||e===Kv.BC1RGBAUnormSRGB?{byteLength:8,width:4,height:4}:e===Kv.BC2RGBAUnorm||e===Kv.BC2RGBAUnormSRGB||e===Kv.BC3RGBAUnorm||e===Kv.BC3RGBAUnormSRGB?{byteLength:16,width:4,height:4}:e===Kv.BC4RUnorm||e===Kv.BC4RSNorm?{byteLength:8,width:4,height:4}:e===Kv.BC5RGUnorm||e===Kv.BC5RGSnorm||e===Kv.BC6HRGBUFloat||e===Kv.BC6HRGBFloat||e===Kv.BC7RGBAUnorm||e===Kv.BC7RGBAUnormSRGB?{byteLength:16,width:4,height:4}:e===Kv.ETC2RGB8Unorm||e===Kv.ETC2RGB8UnormSRGB||e===Kv.ETC2RGB8A1Unorm||e===Kv.ETC2RGB8A1UnormSRGB?{byteLength:8,width:4,height:4}:e===Kv.ETC2RGBA8Unorm||e===Kv.ETC2RGBA8UnormSRGB?{byteLength:16,width:4,height:4}:e===Kv.EACR11Unorm||e===Kv.EACR11Snorm?{byteLength:8,width:4,height:4}:e===Kv.EACRG11Unorm||e===Kv.EACRG11Snorm||e===Kv.ASTC4x4Unorm||e===Kv.ASTC4x4UnormSRGB?{byteLength:16,width:4,height:4}:e===Kv.ASTC5x4Unorm||e===Kv.ASTC5x4UnormSRGB?{byteLength:16,width:5,height:4}:e===Kv.ASTC5x5Unorm||e===Kv.ASTC5x5UnormSRGB?{byteLength:16,width:5,height:5}:e===Kv.ASTC6x5Unorm||e===Kv.ASTC6x5UnormSRGB?{byteLength:16,width:6,height:5}:e===Kv.ASTC6x6Unorm||e===Kv.ASTC6x6UnormSRGB?{byteLength:16,width:6,height:6}:e===Kv.ASTC8x5Unorm||e===Kv.ASTC8x5UnormSRGB?{byteLength:16,width:8,height:5}:e===Kv.ASTC8x6Unorm||e===Kv.ASTC8x6UnormSRGB?{byteLength:16,width:8,height:6}:e===Kv.ASTC8x8Unorm||e===Kv.ASTC8x8UnormSRGB?{byteLength:16,width:8,height:8}:e===Kv.ASTC10x5Unorm||e===Kv.ASTC10x5UnormSRGB?{byteLength:16,width:10,height:5}:e===Kv.ASTC10x6Unorm||e===Kv.ASTC10x6UnormSRGB?{byteLength:16,width:10,height:6}:e===Kv.ASTC10x8Unorm||e===Kv.ASTC10x8UnormSRGB?{byteLength:16,width:10,height:8}:e===Kv.ASTC10x10Unorm||e===Kv.ASTC10x10UnormSRGB?{byteLength:16,width:10,height:10}:e===Kv.ASTC12x10Unorm||e===Kv.ASTC12x10UnormSRGB?{byteLength:16,width:12,height:10}:e===Kv.ASTC12x12Unorm||e===Kv.ASTC12x12UnormSRGB?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=Yv;return e===yr?t=Qv:e===br&&(t=Zv),t}_convertFilterMode(e){let t=Jv;return e!==Tr&&e!==_r&&e!==Ve||(t=eN),t}_getBytesPerTexel(e){return e===Kv.R8Unorm||e===Kv.R8Snorm||e===Kv.R8Uint||e===Kv.R8Sint?1:e===Kv.R16Uint||e===Kv.R16Sint||e===Kv.R16Float||e===Kv.RG8Unorm||e===Kv.RG8Snorm||e===Kv.RG8Uint||e===Kv.RG8Sint?2:e===Kv.R32Uint||e===Kv.R32Sint||e===Kv.R32Float||e===Kv.RG16Uint||e===Kv.RG16Sint||e===Kv.RG16Float||e===Kv.RGBA8Unorm||e===Kv.RGBA8UnormSRGB||e===Kv.RGBA8Snorm||e===Kv.RGBA8Uint||e===Kv.RGBA8Sint||e===Kv.BGRA8Unorm||e===Kv.BGRA8UnormSRGB||e===Kv.RGB9E5UFloat||e===Kv.RGB10A2Unorm||e===Kv.RG11B10UFloat||e===Kv.Depth32Float||e===Kv.Depth24Plus||e===Kv.Depth24PlusStencil8||e===Kv.Depth32FloatStencil8?4:e===Kv.RG32Uint||e===Kv.RG32Sint||e===Kv.RG32Float||e===Kv.RGBA16Uint||e===Kv.RGBA16Sint||e===Kv.RGBA16Float?8:e===Kv.RGBA32Uint||e===Kv.RGBA32Sint||e===Kv.RGBA32Float?16:void 0}_getTypedArrayType(e){return e===Kv.R8Uint?Uint8Array:e===Kv.R8Sint?Int8Array:e===Kv.R8Unorm?Uint8Array:e===Kv.R8Snorm?Int8Array:e===Kv.RG8Uint?Uint8Array:e===Kv.RG8Sint?Int8Array:e===Kv.RG8Unorm?Uint8Array:e===Kv.RG8Snorm?Int8Array:e===Kv.RGBA8Uint?Uint8Array:e===Kv.RGBA8Sint?Int8Array:e===Kv.RGBA8Unorm?Uint8Array:e===Kv.RGBA8Snorm?Int8Array:e===Kv.R16Uint?Uint16Array:e===Kv.R16Sint?Int16Array:e===Kv.RG16Uint?Uint16Array:e===Kv.RG16Sint?Int16Array:e===Kv.RGBA16Uint?Uint16Array:e===Kv.RGBA16Sint?Int16Array:e===Kv.R16Float||e===Kv.RG16Float||e===Kv.RGBA16Float?Uint16Array:e===Kv.R32Uint?Uint32Array:e===Kv.R32Sint?Int32Array:e===Kv.R32Float?Float32Array:e===Kv.RG32Uint?Uint32Array:e===Kv.RG32Sint?Int32Array:e===Kv.RG32Float?Float32Array:e===Kv.RGBA32Uint?Uint32Array:e===Kv.RGBA32Sint?Int32Array:e===Kv.RGBA32Float?Float32Array:e===Kv.BGRA8Unorm||e===Kv.BGRA8UnormSRGB?Uint8Array:e===Kv.RGB10A2Unorm||e===Kv.RGB9E5UFloat||e===Kv.RG11B10UFloat?Uint32Array:e===Kv.Depth32Float?Float32Array:e===Kv.Depth24Plus||e===Kv.Depth24PlusStencil8?Uint32Array:e===Kv.Depth32FloatStencil8?Float32Array:void 0}_getDimension(e){let t;return t=e.isData3DTexture?GN:ON,t}}function iS(e,t=null){const r=e.format,s=e.type,i=e.colorSpace;let n;if(!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case zt:n=i===We?Kv.BC1RGBAUnormSRGB:Kv.BC1RGBAUnorm;break;case $t:n=i===We?Kv.BC2RGBAUnormSRGB:Kv.BC2RGBAUnorm;break;case Wt:n=i===We?Kv.BC3RGBAUnormSRGB:Kv.BC3RGBAUnorm;break;case Yt:n=i===We?Kv.ETC2RGB8UnormSRGB:Kv.ETC2RGB8Unorm;break;case Qt:n=i===We?Kv.ETC2RGBA8UnormSRGB:Kv.ETC2RGBA8Unorm;break;case Zt:n=i===We?Kv.ASTC4x4UnormSRGB:Kv.ASTC4x4Unorm;break;case Jt:n=i===We?Kv.ASTC5x4UnormSRGB:Kv.ASTC5x4Unorm;break;case er:n=i===We?Kv.ASTC5x5UnormSRGB:Kv.ASTC5x5Unorm;break;case tr:n=i===We?Kv.ASTC6x5UnormSRGB:Kv.ASTC6x5Unorm;break;case rr:n=i===We?Kv.ASTC6x6UnormSRGB:Kv.ASTC6x6Unorm;break;case sr:n=i===We?Kv.ASTC8x5UnormSRGB:Kv.ASTC8x5Unorm;break;case ir:n=i===We?Kv.ASTC8x6UnormSRGB:Kv.ASTC8x6Unorm;break;case nr:n=i===We?Kv.ASTC8x8UnormSRGB:Kv.ASTC8x8Unorm;break;case or:n=i===We?Kv.ASTC10x5UnormSRGB:Kv.ASTC10x5Unorm;break;case ar:n=i===We?Kv.ASTC10x6UnormSRGB:Kv.ASTC10x6Unorm;break;case ur:n=i===We?Kv.ASTC10x8UnormSRGB:Kv.ASTC10x8Unorm;break;case lr:n=i===We?Kv.ASTC10x10UnormSRGB:Kv.ASTC10x10Unorm;break;case dr:n=i===We?Kv.ASTC12x10UnormSRGB:Kv.ASTC12x10Unorm;break;case cr:n=i===We?Kv.ASTC12x12UnormSRGB:Kv.ASTC12x12Unorm;break;case Le:n=i===We?Kv.RGBA8UnormSRGB:Kv.RGBA8Unorm;break;default:console.error("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case Le:switch(s){case rt:n=Kv.RGBA8Snorm;break;case st:n=Kv.RGBA16Sint;break;case tt:n=Kv.RGBA16Uint;break;case b:n=Kv.RGBA32Uint;break;case T:n=Kv.RGBA32Sint;break;case fe:n=i===We?Kv.RGBA8UnormSRGB:Kv.RGBA8Unorm;break;case Te:n=Kv.RGBA16Float;break;case w:n=Kv.RGBA32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case Je:if(s===Dt)n=Kv.RGB9E5UFloat;else console.error("WebGPURenderer: Unsupported texture type with RGBFormat.",s);break;case Ye:switch(s){case rt:n=Kv.R8Snorm;break;case st:n=Kv.R16Sint;break;case tt:n=Kv.R16Uint;break;case b:n=Kv.R32Uint;break;case T:n=Kv.R32Sint;break;case fe:n=Kv.R8Unorm;break;case Te:n=Kv.R16Float;break;case w:n=Kv.R32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case Be:switch(s){case rt:n=Kv.RG8Snorm;break;case st:n=Kv.RG16Sint;break;case tt:n=Kv.RG16Uint;break;case b:n=Kv.RG32Uint;break;case T:n=Kv.RG32Sint;break;case fe:n=Kv.RG8Unorm;break;case Te:n=Kv.RG16Float;break;case w:n=Kv.RG32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case ge:switch(s){case tt:n=Kv.Depth16Unorm;break;case b:n=Kv.Depth24Plus;break;case w:n=Kv.Depth32Float;break;default:console.error("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case pe:switch(s){case me:n=Kv.Depth24PlusStencil8;break;case w:t&&!1===t.features.has(XN.Depth32FloatStencil8)&&console.error('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),n=Kv.Depth32FloatStencil8;break;default:console.error("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case Ke:switch(s){case T:n=Kv.R32Sint;break;case b:n=Kv.R32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case Qe:switch(s){case T:n=Kv.RG32Sint;break;case b:n=Kv.RG32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case et:switch(s){case T:n=Kv.RGBA32Sint;break;case b:n=Kv.RGBA32Uint;break;default:console.error("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:console.error("WebGPURenderer: Unsupported texture format.",r)}return n}const nS=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,oS=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,aS={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class uS extends o_{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:o}=(e=>{const t=(e=e.trim()).match(nS);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=oS.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=aS[i]),n.push(new XT(i,t))}const o=e.substring(t[0].length),a=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:aS[a]||a,inputs:n,name:u,inputsCode:r,blockCode:o,outputType:a}}throw new Error("FunctionNode: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=o}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class lS extends n_{parseFunction(e){return new uS(e)}}const dS="undefined"!=typeof self?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},cS={[Us.READ_ONLY]:"read",[Us.WRITE_ONLY]:"write",[Us.READ_WRITE]:"read_write"},hS={[yr]:"repeat",[xr]:"clamp",[br]:"mirror"},pS={vertex:dS?dS.VERTEX:1,fragment:dS?dS.FRAGMENT:2,compute:dS?dS.COMPUTE:4},gS={instance:!0,swizzleAssign:!1,storageBuffer:!0},mS={"^^":"tsl_xor"},fS={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},yS={},xS={tsl_xor:new Sy("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new Sy("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new Sy("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new Sy("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new Sy("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new Sy("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new Sy("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new Sy("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new Sy("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new Sy("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new Sy("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new Sy("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new Sy("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},bS={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>"};"undefined"!=typeof navigator&&/Windows/g.test(navigator.userAgent)&&(xS.pow_float=new Sy("fn tsl_pow_float( a : f32, b : f32 ) -> f32 { return select( -pow( -a, b ), pow( a, b ), a > 0.0 ); }"),xS.pow_vec2=new Sy("fn tsl_pow_vec2( a : vec2f, b : vec2f ) -> vec2f { return vec2f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ) ); }",[xS.pow_float]),xS.pow_vec3=new Sy("fn tsl_pow_vec3( a : vec3f, b : vec3f ) -> vec3f { return vec3f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ), tsl_pow_float( a.z, b.z ) ); }",[xS.pow_float]),xS.pow_vec4=new Sy("fn tsl_pow_vec4( a : vec4f, b : vec4f ) -> vec4f { return vec4f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ), tsl_pow_float( a.z, b.z ), tsl_pow_float( a.w, b.w ) ); }",[xS.pow_float]),bS.pow_float="tsl_pow_float",bS.pow_vec2="tsl_pow_vec2",bS.pow_vec3="tsl_pow_vec3",bS.pow_vec4="tsl_pow_vec4");let TS="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(TS+="diagnostic( off, derivative_uniformity );\n");class _S extends jT{constructor(e,t){super(e,t,new lS),this.uniformGroups={},this.builtins={},this.directives={},this.scopedArrays=new Map}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==x}_generateTextureSample(e,t,r,s,i=this.shaderStage){return"fragment"===i?s?`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r):this.generateTextureLod(e,t,r,s,"0")}_generateVideoSample(e,t,r=this.shaderStage){if("fragment"===r)return`textureSampleBaseClampToEdge( ${e}, ${e}_sampler, vec2<f32>( ${t}.x, 1.0 - ${t}.y ) )`;console.error(`WebGPURenderer: THREE.VideoTexture does not support ${r} shader.`)}_generateTextureSampleLevel(e,t,r,s,i,n=this.shaderStage){return"fragment"!==n&&"compute"!==n||!1!==this.isUnfilterable(e)?this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,s):this.generateTextureLod(e,t,r,i,s):`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`}generateWrapFunction(e){const t=`tsl_coord_${hS[e.wrapS]}S_${hS[e.wrapT]}_${e.isData3DTexture?"3d":"2d"}T`;let r=yS[t];if(void 0===r){const s=[],i=e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const o=(e,t)=>{e===yr?(s.push(xS.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===xr?(s.push(xS.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===br?(s.push(xS.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,console.warn(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};o(e.wrapS,"x"),n+=",\n",o(e.wrapT,"y"),e.isData3DTexture&&(n+=",\n",o(e.wrapR,"z")),n+="\n\t);\n\n}\n",yS[t]=r=new Sy(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.globalCache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,o;const{primarySamples:a}=this.renderer.backend.utils.getTextureSampleData(e),u=a>1;o=e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isVideoTexture||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new Oa(new Nu(`textureDimensions( ${n} )`,o)),s.dimensionsSnippet[r]=i,(e.isDataArrayTexture||e.isData3DTexture)&&(s.arrayLayerCount=new Oa(new Nu(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new Oa(new Nu("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s="0u"){this._include("biquadraticTexture");return`tsl_biquadraticTexture( ${t}, ${this.generateWrapFunction(e)}( ${r} ), ${this.generateTextureDimension(e,t,s)}, u32( ${s} ) )`}generateTextureLod(e,t,r,s,i="0u"){const n=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,i),a=e.isData3DTexture?"vec3":"vec2",u=`${a}<u32>(${n}(${r}) * ${a}<f32>(${o}))`;return this.generateTextureLoad(e,t,u,s,i)}generateTextureLoad(e,t,r,s,i="0u"){return!0===e.isVideoTexture||!0===e.isStorageTexture?`textureLoad( ${t}, ${r} )`:s?`textureLoad( ${t}, ${r}, ${s}, u32( ${i} ) )`:`textureLoad( ${t}, ${r}, u32( ${i} ) )`}generateTextureStore(e,t,r,s){return`textureStore( ${t}, ${r}, ${s} )`}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&!0===e.isDataTexture&&e.type===w||!1===this.isSampleCompare(e)&&e.minFilter===Tr&&e.magFilter===Tr||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i=this.shaderStage){let n=null;return n=!0===e.isVideoTexture?this._generateVideoSample(t,r,i):this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,"0",i):this._generateTextureSample(e,t,r,s,i),n}generateTextureGrad(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]} )`;console.error(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${n} shader.`)}generateTextureCompare(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}generateTextureLevel(e,t,r,s,i,n=this.shaderStage){let o=null;return o=!0===e.isVideoTexture?this._generateVideoSample(t,r,n):this._generateTextureSampleLevel(e,t,r,s,i,n),o}generateTextureBias(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;console.error(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${n} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?`NodeBuffer_${e.id}.${t}`:e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}_getUniformGroupCount(e){return Object.keys(this.uniforms[e]).length}getFunctionOperator(e){const t=mS[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?Us.READ_ONLY:e.access}getStorageAccess(e,t){return cS[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let s;const o=e.groupNode,a=o.name,u=this.getBindGroupArray(a,r);if("texture"===t||"cubeTexture"===t||"storageTexture"===t||"texture3D"===t){let n=null;const a=this.getNodeAccess(e,r);if("texture"===t||"storageTexture"===t?n=new Q_(i.name,i.node,o,a):"cubeTexture"===t?n=new Z_(i.name,i.node,o,a):"texture3D"===t&&(n=new J_(i.name,i.node,o,a)),n.store=!0===e.isStorageTextureNode,n.setVisibility(pS[r]),"fragment"!==r&&"compute"!==r||!1!==this.isUnfilterable(e.value)||!1!==n.store)u.push(n),s=[n];else{const e=new YN(`${i.name}_sampler`,i.node,o);e.setVisibility(pS[r]),u.push(e,n),s=[e,n]}}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const i=new("buffer"===t?H_:JN)(e,o);i.setVisibility(pS[r]),u.push(i),s=i}else{const e=this.uniformGroups[r]||(this.uniformGroups[r]={});let n=e[a];void 0===n&&(n=new X_(a,o),n.setVisibility(pS[r]),e[a]=n,u.push(n)),s=this.getNodeUniform(i,t),n.addUniform(s)}n.uniformGPU=s}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[],r=e.getMemberTypes();for(let e=0;e<r.length;e++){const s=r[e];t.push(`\t@location( ${e} ) m${e} : ${s}<f32>`)}const s=this.getBuiltins("output");return s&&t.push("\t"+s),t.join(",\n")}getStructs(e){const t=[],r=this.structs[e];for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name;let n=`struct ${i} {\n`;n+=this.getStructMembers(s),n+="\n}",t.push(n),t.push(`\nvar<private> output : ${i};\n\n`)}return t.join("\n\n")}getVar(e,t,r=null){let s=`var ${t} : `;return s+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),s}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`\t${this.getVar(e.type,e.name,e.count)};`);return`\n${t.join("\n")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","Vertex","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];for(let i=0;i<r.length;i++){const n=r[i];if(n.needsInterpolation){let e=`@location( ${i} )`;/^(int|uint|ivec|uvec)/.test(n.type)&&(e+=" @interpolate( flat )"),t.push(`${e} ${n.name} : ${this.getType(n.type)}`)}else"vertex"===e&&!1===s.includes(n)&&s.push(n)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}getUniforms(e){const t=this.uniforms[e],r=[],s=[],i=[],n={};for(const i of t){const t=i.groupNode.name,o=this.bindingsIndexes[t];if("texture"===i.type||"cubeTexture"===i.type||"storageTexture"===i.type||"texture3D"===i.type){const t=i.node.value;let s;"fragment"!==e&&"compute"!==e||!1!==this.isUnfilterable(t)||!0===i.node.isStorageTextureNode||(this.isSampleCompare(t)?r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name}_sampler : sampler_comparison;`):r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name}_sampler : sampler;`));let n="";const{primarySamples:a}=this.renderer.backend.utils.getTextureSampleData(t);if(a>1&&(n="_multisampled"),!0===t.isCubeTexture)s="texture_cube<f32>";else if(!0===t.isDataArrayTexture||!0===t.isCompressedArrayTexture)s="texture_2d_array<f32>";else if(!0===t.isDepthTexture)s=`texture_depth${n}_2d`;else if(!0===t.isVideoTexture)s="texture_external";else if(!0===t.isData3DTexture)s="texture_3d<f32>";else if(!0===i.node.isStorageTextureNode){s=`texture_storage_2d<${iS(t)}, ${this.getStorageAccess(i.node,e)}>`}else{s=`texture${n}_2d<${this.getComponentTypeFromTexture(t).charAt(0)}32>`}r.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${i.name} : ${s};`)}else if("buffer"===i.type||"storageBuffer"===i.type||"indirectStorageBuffer"===i.type){const t=i.node,r=this.getType(t.bufferType),n=t.bufferCount,a=n>0&&"buffer"===i.type?", "+n:"",u=t.isAtomic?`atomic<${r}>`:`${r}`,l=`\t${i.name} : array< ${u}${a} >\n`,d=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";s.push(this._getWGSLStructBinding("NodeBuffer_"+t.id,l,d,o.binding++,o.group))}else{const e=this.getType(this.getVectorType(i.type)),t=i.groupNode.name;(n[t]||(n[t]={index:o.binding++,id:o.group,snippets:[]})).snippets.push(`\t${i.name} : ${e}`)}}for(const e in n){const t=n[e];i.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}let o=r.join("\n");return o+=s.join("\n"),o+=i.join("\n"),o}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){const r=e[t];r.uniforms=this.getUniforms(t),r.attributes=this.getAttributes(t),r.varyings=this.getVaryings(t),r.structs=this.getStructs(t),r.vars=this.getVars(t),r.codes=this.getCodes(t),r.directives=this.getDirectives(t),r.scopedArrays=this.getScopedArrays(t);let s="// code\n\n";s+=this.flowCode[t];const i=this.flowNodes[t],n=i[i.length-1],o=n.outputNode,a=void 0!==o&&!0===o.isOutputStructNode;for(const e of i){const i=this.getFlowData(e),u=e.name;if(u&&(s.length>0&&(s+="\n"),s+=`\t// flow -> ${u}\n`),s+=`${i.code}\n\t`,e===n&&"compute"!==t)if(s+="// result\n\n\t","vertex"===t)s+=`varyings.Vertex = ${i.result};`;else if("fragment"===t)if(a)r.returnType=o.nodeType,s+=`return ${i.result};`;else{let e="\t@location(0) color: vec4<f32>";const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),r.returnType="OutputStruct",r.structs+=this._getWGSLStruct("OutputStruct",e),r.structs+="\nvar<private> output : OutputStruct;\n\n",s+=`output.color = ${i.result};\n\n\treturn output;`}}r.flow=s}null!==this.material?(this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment)):this.computeShader=this._getWGSLComputeCode(e.compute,(this.object.workgroupSize||[64]).join(", "))}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getType(e){return fS[e]||e}isAvailable(e){let t=gS[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),gS[e]=t),t}_getWGSLMethod(e){return void 0!==xS[e]&&this._include(e),bS[e]}_include(e){const t=xS[e];return t.build(this),null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${TS}\n\n// uniforms\n${e.uniforms}\n\n// structs\n${e.structs}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${t} )\nfn main( ${e.attributes} ) {\n\n\t// system\n\tinstanceIndex = globalId.x + globalId.y * numWorkgroups.x * u32(${t}) + globalId.z * numWorkgroups.x * numWorkgroups.y * u32(${t});\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}class vS{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return null!==e.depthTexture?t=this.getTextureFormatGPU(e.depthTexture):e.depth&&e.stencil?t=Kv.Depth24PlusStencil8:e.depth&&(t=Kv.Depth24Plus),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.samples}else e.renderTarget&&(t=e.renderTarget.samples);t=t||1;const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?Cv:e.isLineSegments||e.isMesh&&!0===t.wireframe?Ev:e.isLine?wv:e.isMesh?Mv:void 0}getSampleCount(e){let t=1;return e>1&&(t=Math.pow(2,Math.floor(Math.log2(e))),2===t&&(t=4)),t}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.samples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===fe)return Kv.BGRA8Unorm;if(e===Te)return Kv.RGBA16Float;throw new Error("Unsupported outputType")}}const NS=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]),SS=new Map([[Oe,["float16"]]]),AS=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class RS{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const o=s.device;let a=r.array;if(!1===e.normalized)if(a.constructor===Int16Array)a=new Int32Array(a);else if(a.constructor===Uint16Array&&(a=new Uint32Array(a),t&GPUBufferUsage.INDEX))for(let e=0;e<a.length;e++)65535===a[e]&&(a[e]=4294967295);if(r.array=a,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){a=new a.constructor(4*r.count);for(let e=0;e<r.count;e++)a.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=a}const u=a.byteLength+(4-a.byteLength%4)%4;n=o.createBuffer({label:r.name,size:u,usage:t,mappedAtCreation:!0}),new a.constructor(n.getMappedRange()).set(a),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t).buffer,n=t.array,o=this._isTypedArray(n),a=t.updateRanges;if(0===a.length)s.queue.writeBuffer(i,0,n,0);else{const e=o?1:n.BYTES_PER_ELEMENT;for(let t=0,r=a.length;t<r;t++){const r=a[t],o=r.start*e,u=r.count*e;s.queue.writeBuffer(i,0,n,o,u)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let o=r.get(n);if(void 0===o){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?qN:jN):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?qN:jN),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),o={arrayStride:e,attributes:[],stepMode:t},r.set(n,o)}const a=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;o.attributes.push({shaderLocation:e,offset:u,format:a})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,r=t.device,s=t.get(this._getBufferAttribute(e)).buffer,i=s.size,n=r.createBuffer({label:`${e.name}_readback`,size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),o=r.createCommandEncoder({label:`readback_encoder_${e.name}`});o.copyBufferToBuffer(s,0,n,0,i);const a=o.finish();r.queue.submit([a]),await n.mapAsync(GPUMapMode.READ);const u=n.getMappedRange(),l=new e.array.constructor(u.slice(0));return n.unmap(),l.buffer}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=AS.get(s);else{const e=(SS.get(i)||NS.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||console.error("THREE.WebGPUAttributeUtils: Vertex format not supported yet."),n}_isTypedArray(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}class CS{constructor(e){this.backend=e,this.bindGroupLayoutCache=new WeakMap}createBindingsLayout(e){const t=this.backend,r=t.device,s=[];let i=0;for(const r of e.bindings){const e={binding:i++,visibility:r.visibility};if(r.isUniformBuffer||r.isStorageBuffer){const t={};r.isStorageBuffer&&(4&r.visibility&&(r.access===Us.READ_WRITE||r.access===Us.WRITE_ONLY)?t.type=wN:t.type=MN),e.buffer=t}else if(r.isSampler){const t={};r.texture.isDepthTexture&&null!==r.texture.compareFunction&&(t.type="comparison"),e.sampler=t}else if(r.isSampledTexture&&r.texture.isVideoTexture)e.externalTexture={};else if(r.isSampledTexture&&r.store){const t={};t.format=this.backend.get(r.texture).texture.format;const s=r.access;t.access=s===Us.READ_WRITE?UN:s===Us.WRITE_ONLY?BN:FN,e.storageTexture=t}else if(r.isSampledTexture){const s={},{primarySamples:i}=t.utils.getTextureSampleData(r.texture);if(i>1&&(s.multisampled=!0,r.texture.isDepthTexture||(s.sampleType=IN)),r.texture.isDepthTexture)s.sampleType=LN;else if(r.texture.isDataTexture||r.texture.isDataArrayTexture||r.texture.isData3DTexture){const e=r.texture.type;e===T?s.sampleType=DN:e===b?s.sampleType=VN:e===w&&(this.backend.hasFeature("float32-filterable")?s.sampleType=PN:s.sampleType=IN)}r.isSampledCubeTexture?s.viewDimension=$N:r.texture.isDataArrayTexture||r.texture.isCompressedArrayTexture?s.viewDimension=zN:r.isSampledTexture3D&&(s.viewDimension=WN),e.texture=s}else console.error(`WebGPUBindingUtils: Unsupported binding "${r}".`);s.push(e)}return r.createBindGroupLayout({entries:s})}createBindings(e,t,r,s=0){const{backend:i,bindGroupLayoutCache:n}=this,o=i.get(e);let a,u=n.get(e.bindingsReference);void 0===u&&(u=this.createBindingsLayout(e),n.set(e.bindingsReference,u)),r>0&&(void 0===o.groups&&(o.groups=[],o.versions=[]),o.versions[r]===s&&(a=o.groups[r])),void 0===a&&(a=this.createBindGroup(e,u),r>0&&(o.groups[r]=a,o.versions[r]=s)),o.group=a,o.layout=u}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer;r.queue.writeBuffer(i,0,s,0)}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0],n=r.createBuffer({label:"bindingCameraIndex_"+i,size:16,usage:s});r.queue.writeBuffer(n,0,e,0);const o=[{binding:0,resource:{buffer:n}}];return r.createBindGroup({label:"bindGroupCameraIndex_"+i,layout:t,entries:o})}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;const n=[];for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);if(void 0===e.buffer){const r=t.byteLength,i=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,n=s.createBuffer({label:"bindingBuffer_"+t.name,size:r,usage:i});e.buffer=n}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t);if(void 0===e.buffer){const s=t.attribute;e.buffer=r.get(s).buffer}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isSampler){const e=r.get(t.texture);n.push({binding:i,resource:e.sampler})}else if(t.isSampledTexture){const e=r.get(t.texture);let o;if(void 0!==e.externalTexture)o=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=`view-${e.texture.width}-${e.texture.height}-${r}`;if(o=e[s],void 0===o){const i=HN;let n;n=t.isSampledCubeTexture?$N:t.isSampledTexture3D?WN:t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?zN:kN,o=e[s]=e.texture.createView({aspect:i,dimension:n,mipLevelCount:r})}}n.push({binding:i,resource:o})}i++}return s.createBindGroup({label:"bindGroup_"+e.name,layout:t,entries:n})}}class ES{constructor(e){this.backend=e}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:o,fragmentProgram:a}=n,u=this.backend,l=u.device,d=u.utils,c=u.get(n),h=[];for(const t of e.getBindings()){const e=u.get(t);h.push(e.layout)}const p=u.attributeUtils.createShaderVertexBuffers(e);let g;!0===s.transparent&&s.blending!==D&&(g=this._getBlending(s));let m={};!0===s.stencilWrite&&(m={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const f=this._getColorWriteMask(s),y=[];if(null!==e.context.textures){const t=e.context.textures;for(let e=0;e<t.length;e++){const r=d.getTextureFormatGPU(t[e]);y.push({format:r,blend:g,writeMask:f})}}else{const t=d.getCurrentColorFormat(e.context);y.push({format:t,blend:g,writeMask:f})}const x=u.get(o).module,b=u.get(a).module,T=this._getPrimitiveState(r,i,s),_=this._getDepthCompare(s),v=d.getCurrentDepthStencilFormat(e.context),N=this._getSampleCount(e.context),S={label:`renderPipeline_${s.name||s.type}_${s.id}`,vertex:Object.assign({},x,{buffers:p}),fragment:Object.assign({},b,{targets:y}),primitive:T,multisample:{count:N,alphaToCoverageEnabled:s.alphaToCoverage&&N>1},layout:l.createPipelineLayout({bindGroupLayouts:h})},A={},R=e.context.depth,C=e.context.stencil;if(!0!==R&&!0!==C||(!0===R&&(A.format=v,A.depthWriteEnabled=s.depthWrite,A.depthCompare=_),!0===C&&(A.stencilFront=m,A.stencilBack={},A.stencilReadMask=s.stencilFuncMask,A.stencilWriteMask=s.stencilWriteMask),S.depthStencil=A),null===t)c.pipeline=l.createRenderPipeline(S);else{const e=new Promise((e=>{l.createRenderPipelineAsync(S).then((t=>{c.pipeline=t,e()}))}));t.push(e)}}createBundleEncoder(e){const t=this.backend,{utils:r,device:s}=t,i=r.getCurrentDepthStencilFormat(e),n={label:"renderBundleEncoder",colorFormats:[r.getCurrentColorFormat(e)],depthStencilFormat:i,sampleCount:this._getSampleCount(e)};return s.createRenderBundleEncoder(n)}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),o=[];for(const e of t){const t=r.get(e);o.push(t.layout)}n.pipeline=s.createComputePipeline({compute:i,layout:s.createPipelineLayout({bindGroupLayouts:o})})}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,o=e.blendEquation;if(s===Nt){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,a=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:o;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(o)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(a),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:gN},r={srcFactor:i,dstFactor:n,operation:gN}};if(e.premultipliedAlpha)switch(s){case P:i(rN,oN,rN,oN);break;case Rt:i(rN,rN,rN,rN);break;case At:i(tN,iN,tN,rN);break;case St:i(tN,sN,tN,nN)}else switch(s){case P:i(nN,oN,rN,oN);break;case Rt:i(nN,rN,nN,rN);break;case At:i(tN,iN,tN,rN);break;case St:i(tN,sN,tN,sN)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};console.error("THREE.WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case lt:t=tN;break;case dt:t=rN;break;case ct:t=sN;break;case ft:t=iN;break;case ht:t=nN;break;case yt:t=oN;break;case gt:t=aN;break;case xt:t=uN;break;case mt:t=lN;break;case bt:t=dN;break;case pt:t=cN;break;case 211:t=hN;break;case 212:t=pN;break;default:console.error("THREE.WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case Lr:t=Fv;break;case Ir:t=Ov;break;case Pr:t=Uv;break;case Ur:t=Iv;break;case Fr:t=Pv;break;case Br:t=Vv;break;case Mr:t=Lv;break;case wr:t=Dv;break;default:console.error("THREE.WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case Wr:t=_N;break;case $r:t=vN;break;case zr:t=NN;break;case kr:t=SN;break;case Gr:t=AN;break;case Or:t=RN;break;case Vr:t=CN;break;case Dr:t=EN;break;default:console.error("THREE.WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case ot:t=gN;break;case at:t=mN;break;case ut:t=fN;break;case jr:t=yN;break;case Hr:t=xN;break;default:console.error("THREE.WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;switch(s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?qv:Xv),r.side){case je:s.frontFace=$v,s.cullMode=jv;break;case _:s.frontFace=$v,s.cullMode=Hv;break;case ce:s.frontFace=$v,s.cullMode=Wv;break;default:console.error("THREE.WebGPUPipelineUtils: Unknown material.side value.",r.side)}return s}_getColorWriteMask(e){return!0===e.colorWrite?TN:bN}_getDepthCompare(e){let t;if(!1===e.depthTest)t=Ov;else{const r=e.depthFunc;switch(r){case Pt:t=Fv;break;case Ut:t=Ov;break;case Ft:t=Uv;break;case Bt:t=Iv;break;case Mt:t=Pv;break;case wt:t=Vv;break;case Et:t=Lv;break;case Ct:t=Dv;break;default:console.error("THREE.WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class wS extends Sv{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,this.querySet=this.device.createQuerySet({type:"timestamp",count:this.maxQueries,label:`queryset_global_timestamp_${t}`});const s=8*this.maxQueries;this.resolveBuffer=this.device.createBuffer({label:`buffer_timestamp_resolve_${t}`,size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.resultBuffer=this.device.createBuffer({label:`buffer_timestamp_result_${t}`,size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ})}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return it(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e.id,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder();s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(this.device.queue.submit([i]),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r));let o=0;for(const[,t]of e){const e=n[t],r=n[t+1];o+=Number(r-e)/1e6}return this.resultBuffer.unmap(),this.lastValue=o,o}catch(e){return console.error("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){console.error("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){console.error("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class MS extends av{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.trackTimestamp=!0===e.trackTimestamp,this.device=null,this.context=null,this.colorBuffer=null,this.defaultRenderPassdescriptor=null,this.utils=new vS(this),this.attributeUtils=new RS(this),this.bindingUtils=new CS(this),this.pipelineUtils=new ES(this),this.textureUtils=new sS(this),this.occludedResolveCache=new Map}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const e={powerPreference:t.powerPreference},s="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(e):null;if(null===s)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const i=Object.values(XN),n=[];for(const e of i)s.features.has(e)&&n.push(e);const o={requiredFeatures:n,requiredLimits:t.requiredLimits};r=await s.requestDevice(o)}else r=t.device;r.lost.then((t=>{const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}));const s=void 0!==t.context?t.context:e.domElement.getContext("webgpu");this.device=r,this.context=s;const i=t.alpha?"premultiplied":"opaque";this.trackTimestamp=this.trackTimestamp&&this.hasFeature(XN.TimestampQuery),this.context.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i}),this.updateSize()}get coordinateSystem(){return d}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){let e=this.defaultRenderPassdescriptor;if(null===e){const t=this.renderer;e={colorAttachments:[{view:null}]},!0!==this.renderer.depth&&!0!==this.renderer.stencil||(e.depthStencilAttachment={view:this.textureUtils.getDepthBuffer(t.depth,t.stencil).createView()});const r=e.colorAttachments[0];this.renderer.samples>0?r.view=this.colorBuffer.createView():r.resolveTarget=void 0,this.defaultRenderPassdescriptor=e}const t=e.colorAttachments[0];return this.renderer.samples>0?t.resolveTarget=this.context.getCurrentTexture().createView():t.view=this.context.getCurrentTexture().createView(),e}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r);let i=s.descriptors;if(void 0===i||s.width!==r.width||s.height!==r.height||s.dimensions!==r.dimensions||s.activeMipmapLevel!==r.activeMipmapLevel||s.activeCubeFace!==e.activeCubeFace||s.samples!==r.samples||s.loadOp!==t.loadOp){i={},s.descriptors=i;const e=()=>{r.removeEventListener("dispose",e),this.delete(r)};r.addEventListener("dispose",e)}const n=e.getCacheKey();let o=i[n];if(void 0===o){const a=e.textures,u=[];let l;for(let s=0;s<a.length;s++){const i=this.get(a[s]),n={label:`colorAttachment_${s}`,baseMipLevel:e.activeMipmapLevel,mipLevelCount:1,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1,dimension:kN};r.isRenderTarget3D?(l=e.activeCubeFace,n.baseArrayLayer=0,n.dimension=WN,n.depthOrArrayLayers=a[s].image.depth):r.isRenderTargetArray&&(n.dimension=zN,n.depthOrArrayLayers=a[s].image.depth);const o=i.texture.createView(n);let d,c;void 0!==i.msaaTexture?(d=i.msaaTexture.createView(),c=o):(d=o,c=void 0),u.push({view:d,depthSlice:l,resolveTarget:c,loadOp:kv,storeOp:Gv,...t})}if(o={colorAttachments:u},e.depth){const t={view:this.get(e.depthTexture).texture.createView()};o.depthStencilAttachment=t}i[n]=o,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace,s.dimensions=r.dimensions,s.depthSlice=l,s.loadOp=u[0].loadOp}return o}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,i=r.createQuerySet({type:"occlusion",count:s,label:`occlusionQuerySet_${e.id}`}),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:kv}),this.initTimestampQuery(e,n),n.occlusionQuerySet=i;const o=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(s.clearValue=0===r?e.clearColorValue:{r:0,g:0,b:0,a:1},s.loadOp=zv,s.storeOp=Gv):(s.loadOp=kv,s.storeOp=Gv)}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=zv,t.storeOp=Gv):(t.loadOp=kv,t.storeOp=Gv)}e.depth&&(e.clearDepth?(o.depthClearValue=e.clearDepthValue,o.depthLoadOp=zv,o.depthStoreOp=Gv):(o.depthLoadOp=kv,o.depthStoreOp=Gv)),e.stencil&&(e.clearStencil?(o.stencilClearValue=e.clearStencilValue,o.stencilLoadOp=zv,o.stencilStoreOp=Gv):(o.stencilLoadOp=kv,o.stencilStoreOp=Gv));const a=r.createCommandEncoder({label:"renderContext_"+e.id}),u=a.beginRenderPass(n);if(t.descriptor=n,t.encoder=a,t.currentPass=u,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[],e.viewport&&this.updateViewport(e),e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;u.setScissorRect(t,r,s,i)}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;if(t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery(),t.currentPass.end(),r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(i=this.device.createBuffer({size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(s,i));const n=this.device.createBuffer({size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(this.device.queue.submit([t.encoder.finish()]),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:o,maxDepth:a}=e.viewportValue;t.setViewport(r,s,i,n,o,a)}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let o,a,u,l,d=[];if(e){const e=this.getClearColor();if(!0===this.renderer.alpha){const t=e.a;a={r:e.r*t,g:e.g*t,b:e.b*t,a:t}}else a={r:e.r,g:e.g,b:e.b,a:e.a}}if(null===s){u=n.depth,l=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){d=t.colorAttachments;const e=d[0];e.clearValue=a,e.loadOp=zv,e.storeOp=Gv}(u||l)&&(o=t.depthStencilAttachment)}else{if(u=s.depth,l=s.stencil,e){d=this._getRenderPassDescriptor(s,{loadOp:zv,clearValue:a}).colorAttachments}if(u||l){o={view:this.get(s.depthTexture).texture.createView()}}}u&&(t?(o.depthLoadOp=zv,o.depthClearValue=n.getClearDepth(),o.depthStoreOp=Gv):(o.depthLoadOp=kv,o.depthStoreOp=Gv)),l&&(r?(o.stencilLoadOp=zv,o.stencilClearValue=n.getClearStencil(),o.stencilStoreOp=Gv):(o.stencilLoadOp=kv,o.stencilStoreOp=Gv));const c=i.createCommandEncoder({label:"clear"});c.beginRenderPass({colorAttachments:d,depthStencilAttachment:o}).end(),i.queue.submit([c.finish()])}beginCompute(e){const t=this.get(e),r={label:"computeGroup_"+e.id};this.initTimestampQuery(e,r),t.cmdEncoderGPU=this.device.createCommandEncoder({label:"computeGroup_"+e.id}),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(r)}compute(e,t,r,s){const{passEncoderGPU:i}=this.get(e),n=this.get(s).pipeline;i.setPipeline(n);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);i.setBindGroup(e,s.group)}const o=this.device.limits.maxComputeWorkgroupsPerDimension,a=this.get(t);void 0===a.dispatchSize&&(a.dispatchSize={x:0,y:1,z:1});const{dispatchSize:u}=a;t.dispatchCount>o?(u.x=Math.min(t.dispatchCount,o),u.y=Math.ceil(t.dispatchCount/o)):u.x=t.dispatchCount,i.dispatchWorkgroups(u.x,u.y,u.z)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),this.device.queue.submit([t.cmdEncoderGPU.finish()])}async waitForGPU(){await this.device.queue.onSubmittedWorkDone()}draw(e,t){const{object:r,context:s,pipeline:i}=e,n=e.getBindings(),o=this.get(s),a=this.get(i).pipeline,u=o.currentSets,l=o.currentPass,d=e.getDrawParameters();if(null===d)return;u.pipeline!==a&&(l.setPipeline(a),u.pipeline=a);const c=u.bindingGroups;for(let e=0,t=n.length;e<t;e++){const t=n[e],r=this.get(t);c[t.index]!==t.id&&(l.setBindGroup(t.index,r.group),c[t.index]=t.id)}const h=e.getIndex(),p=null!==h;if(!0===p&&u.index!==h){const e=this.get(h).buffer,t=h.array instanceof Uint16Array?qv:Xv;l.setIndexBuffer(e,t),u.index=h}const g=e.getVertexBuffers();for(let e=0,t=g.length;e<t;e++){const t=g[e];if(u.attributes[e]!==t){const r=this.get(t).buffer;l.setVertexBuffer(e,r),u.attributes[e]=t}}if(void 0!==o.occlusionQuerySet){const e=o.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(l.endOcclusionQuery(),o.occlusionQueryIndex++),!0===r.occlusionTest&&(l.beginOcclusionQuery(o.occlusionQueryIndex),o.occlusionQueryObjects[o.occlusionQueryIndex]=r),o.lastOcclusionObject=r)}const m=()=>{if(!0===r.isBatchedMesh){const e=r._multiDrawStarts,t=r._multiDrawCounts,s=r._multiDrawCount,i=r._multiDrawInstances;for(let r=0;r<s;r++){const s=i?i[r]:1,n=s>1?0:r;!0===p?l.drawIndexed(t[r],s,e[r]/h.array.BYTES_PER_ELEMENT,0,n):l.draw(t[r],s,e[r],n)}}else if(!0===p){const{vertexCount:s,instanceCount:i,firstVertex:n}=d,o=e.getIndirect();if(null!==o){const e=this.get(o).buffer;l.drawIndexedIndirect(e,0)}else l.drawIndexed(s,i,n,0,0);t.update(r,s,i)}else{const{vertexCount:s,instanceCount:i,firstVertex:n}=d,o=e.getIndirect();if(null!==o){const e=this.get(o).buffer;l.drawIndirect(e,0)}else l.draw(s,i,n,0);t.update(r,s,i)}};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const t=this.get(e.camera),i=e.camera.cameras,n=e.getBindingGroup("cameraIndex");if(void 0===t.indexesGPU||t.indexesGPU.length!==i.length){const e=this.get(n),r=[],s=new Uint32Array([0,0,0,0]);for(let t=0,n=i.length;t<n;t++){s[0]=t;const i=this.bindingUtils.createBindGroupIndex(s,e.layout);r.push(i)}t.indexesGPU=r}const o=this.renderer.getPixelRatio();for(let e=0,a=i.length;e<a;e++){const a=i[e];if(r.layers.test(a.layers)){const r=a.viewport;l.setViewport(Math.floor(r.x*o),Math.floor(r.y*o),Math.floor(r.width*o),Math.floor(r.height*o),s.viewportValue.minDepth,s.viewportValue.maxDepth),l.setBindGroup(n.index,t.indexesGPU[e]),m()}}}else m()}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),o=i.getCurrentColorSpace(e.context),a=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===o&&t.colorFormat===a&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=o,t.colorFormat=a,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}createSampler(e){this.textureUtils.createSampler(e)}destroySampler(e){this.textureUtils.destroySampler(e)}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e){this.textureUtils.destroyTexture(e)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t){if(!this.trackTimestamp)return;const r=e.isComputeNode?"compute":"render";this.timestampQueryPool[r]||(this.timestampQueryPool[r]=new wS(this.device,r,2048));const s=this.timestampQueryPool[r],i=s.allocateQueriesForContext(e);t.timestampWrites={querySet:s.querySet,beginningOfPassWriteIndex:i,endOfPassWriteIndex:i+1}}createNodeBuilder(e,t){return new _S(e,t)}createProgram(e){this.get(e).module={module:this.device.createShaderModule({code:e.code,label:e.stage+(""!==e.name?`_${e.name}`:"")}),entryPoint:"main"}}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}createIndexAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.colorBuffer=this.textureUtils.getColorBuffer(),this.defaultRenderPassdescriptor=null}getMaxAnisotropy(){return 16}hasFeature(e){return this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0){let n=0,o=0,a=0,u=0,l=0,d=0,c=e.image.width,h=e.image.height;null!==r&&(u=r.x,l=r.y,d=r.z||0,c=r.width,h=r.height),null!==s&&(n=s.x,o=s.y,a=s.z||0);const p=this.device.createCommandEncoder({label:"copyTextureToTexture_"+e.id+"_"+t.id}),g=this.get(e).texture,m=this.get(t).texture;p.copyTextureToTexture({texture:g,mipLevel:i,origin:{x:u,y:l,z:d}},{texture:m,mipLevel:i,origin:{x:n,y:o,z:a}},[c,h,1]),this.device.queue.submit([p.finish()])}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void console.error("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let o;if(s.currentPass?(s.currentPass.end(),o=s.encoder):o=this.device.createCommandEncoder({label:"copyFramebufferToTexture_"+e.id}),o.copyTextureToTexture({texture:i,origin:[r.x,r.y,0]},{texture:n},[r.z,r.w]),e.generateMipmaps&&this.textureUtils.generateMipmaps(e),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=kv;if(t.depth&&(e.depthStencilAttachment.depthLoadOp=kv),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=kv),s.currentPass=o.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor){const{x:e,y:r,width:i,height:n}=t.scissorValue;s.currentPass.setScissorRect(e,r,i,n)}}else this.device.queue.submit([o.finish()])}}class BS extends qr{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class FS extends __{constructor(){super(),this.addLight(Yx,Xr),this.addLight(KT,Kr),this.addLight(JT,Yr),this.addLight(e_,qr),this.addLight(r_,Qr),this.addLight(s_,Zr),this.addLight(i_,Jr),this.addLight(t_,BS),this.addToneMapping(gy,es),this.addToneMapping(my,ts),this.addToneMapping(fy,rs),this.addToneMapping(xy,ss),this.addToneMapping(vy,is),this.addToneMapping(Ny,ns)}}class US extends G_{constructor(e={}){let t;e.forceWebGL?t=Rv:(t=MS,e.getFallback=()=>(console.warn("THREE.WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new Rv(e)));super(new t(e),e),this.library=new FS,this.isWebGPURenderer=!0}}class PS extends os{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class IS{constructor(e,t=Ki(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new gh;r.name="PostProcessing",this._quadMesh=new Tf(r)}render(){this._update();const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=p,e.outputColorSpace=Ee,this._quadMesh.render(e),e.toneMapping=t,e.outputColorSpace=r}dispose(){this._quadMesh.material.dispose()}_update(){if(!0===this.needsUpdate){const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;this._quadMesh.material.fragmentNode=!0===this.outputColorTransform?Cu(this.outputNode,t,r):this.outputNode.context({toneMapping:t,outputColorSpace:r}),this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){this._update();const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=p,e.outputColorSpace=Ee,await this._quadMesh.renderAsync(e),e.toneMapping=t,e.outputColorSpace=r}}class LS extends ee{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=$,this.minFilter=$,this.isStorageTexture=!0}}class DS extends Ef{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class VS extends as{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new us(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,(r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):console.error(t),this.manager.itemError(e)}}),r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(console.error("THREE.NodeLoader: Node type not found:",e),Di()):Ri(new this.nodes[e])}}class OS extends ls{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class GS extends ds{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}parseNodes(e,t){if(void 0!==e){const r=new VS;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new OS;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class kS extends os{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{ss as ACESFilmicToneMapping,Mc as AONode,ot as AddEquation,X as AddOperation,Rt as AdditiveBlending,is as AgXToneMapping,Vt as AlphaFormat,Nr as AlwaysCompare,Ut as AlwaysDepth,Ir as AlwaysStencilFunc,Qr as AmbientLight,r_ as AmbientLightNode,Vx as AnalyticLightNode,ke as ArrayCamera,Gs as ArrayElementNode,nn as ArrayNode,jn as AssignNode,Eu as AttributeNode,_ as BackSide,Ih as BasicEnvironmentNode,Fe as BasicShadowMap,fc as BatchNode,G as BoxGeometry,Ae as BufferAttribute,lu as BufferAttributeNode,Ne as BufferGeometry,Vu as BufferNode,fd as BumpMapNode,PS as BundleGroup,xu as BypassNode,rt as ByteType,fu as CacheNode,he as Camera,rs as CineonToneMapping,xr as ClampToEdgeWrapping,kS as ClippingGroup,Sy as CodeNode,e as Color,c as ColorManagement,Qa as ColorSpaceNode,gu as ComputeNode,Ys as ConstNode,La as ContextNode,ks as ConvertNode,W as CubeCamera,v as CubeReflectionMapping,N as CubeRefractionMapping,H as CubeTexture,kl as CubeTextureNode,Pe as CubeUVReflectionMapping,_t as CullFaceBack,vt as CullFaceFront,Tt as CullFaceNone,Nt as CustomBlending,E as DataArrayTexture,Xe as DataTexture,Or as DecrementStencilOp,Dr as DecrementWrapStencilOp,ge as DepthFormat,pe as DepthStencilFormat,F as DepthTexture,Kr as DirectionalLight,KT as DirectionalLightNode,ce as DoubleSide,mt as DstAlphaFactor,gt as DstColorFactor,f as DynamicDrawUsage,cg as EnvironmentNode,Ar as EqualCompare,Mt as EqualDepth,Fr as EqualStencilFunc,Ch as EquirectUVNode,j as EquirectangularReflectionMapping,q as EquirectangularRefractionMapping,Ce as Euler,a as EventDispatcher,Nu as ExpressionNode,us as FileLoader,Oe as Float16BufferAttribute,Se as Float32BufferAttribute,w as FloatType,M as FramebufferTexture,Nl as FrontFacingNode,je as FrontSide,qe as Frustum,Xn as FunctionCallNode,Ry as FunctionNode,Gm as FunctionOverloadingNode,c_ as GLSLNodeParser,Cr as GreaterCompare,Et as GreaterDepth,Rr as GreaterEqualCompare,wt as GreaterEqualDepth,Br as GreaterEqualStencilFunc,Mr as GreaterStencilFunc,os as Group,Te as HalfFloatType,Zr as HemisphereLight,s_ as HemisphereLightNode,BS as IESSpotLight,t_ as IESSpotLightNode,Gr as IncrementStencilOp,Vr as IncrementWrapStencilOp,nc as IndexNode,DS as IndirectStorageBufferAttribute,hc as InstanceNode,C as InstancedBufferAttribute,R as InstancedInterleavedBuffer,gc as InstancedMeshNode,T as IntType,m as InterleavedBuffer,y as InterleavedBufferAttribute,kr as InvertStencilOp,Uc as IrradianceNode,$s as JoinNode,Wr as KeepStencilOp,we as LessCompare,Ft as LessDepth,Sr as LessEqualCompare,Bt as LessEqualDepth,Ur as LessEqualStencilFunc,Pr as LessStencilFunc,Jr as LightProbe,i_ as LightProbeNode,S_ as Lighting,Bc as LightingContextNode,Dh as LightingModel,wc as LightingNode,hx as LightsNode,Nh as Line2NodeMaterial,I as LineBasicMaterial,fh as LineBasicNodeMaterial,L as LineDashedMaterial,xh as LineDashedNodeMaterial,$ as LinearFilter,_e as LinearMipMapLinearFilter,B as LinearMipmapLinearFilter,De as LinearMipmapNearestFilter,Ee as LinearSRGBColorSpace,es as LinearToneMapping,as as Loader,_c as LoopNode,Gt as LuminanceAlphaFormat,Ot as LuminanceFormat,Um as MRTNode,Sg as MatcapUVNode,U as Material,ls as MaterialLoader,bd as MaterialNode,ql as MaterialReferenceNode,u as MathUtils,i as Matrix2,n as Matrix3,o as Matrix4,Hr as MaxEquation,Uu as MaxMipLevelNode,k as Mesh,Q as MeshBasicMaterial,Gh as MeshBasicNodeMaterial,Z as MeshLambertMaterial,qh as MeshLambertNodeMaterial,ie as MeshMatcapMaterial,Cg as MeshMatcapNodeMaterial,V as MeshNormalMaterial,Rh as MeshNormalNodeMaterial,J as MeshPhongMaterial,Kh as MeshPhongNodeMaterial,re as MeshPhysicalMaterial,yg as MeshPhysicalNodeMaterial,bg as MeshSSSNodeMaterial,te as MeshStandardMaterial,mg as MeshStandardNodeMaterial,se as MeshToonMaterial,Ng as MeshToonNodeMaterial,jr as MinEquation,br as MirroredRepeatWrapping,K as MixOperation,il as ModelNode,Cc as MorphNode,St as MultiplyBlending,Y as MultiplyOperation,Tr as NearestFilter,Ve as NearestMipmapLinearFilter,_r as NearestMipmapNearestFilter,ns as NeutralToneMapping,vr as NeverCompare,Pt as NeverDepth,Lr as NeverStencilFunc,D as NoBlending,x as NoColorSpace,p as NoToneMapping,Os as Node,Us as NodeAccess,Qb as NodeAttribute,jT as NodeBuilder,sT as NodeCache,tT as NodeCode,qT as NodeFrame,XT as NodeFunctionInput,VS as NodeLoader,gh as NodeMaterial,OS as NodeMaterialLoader,hs as NodeMaterialObserver,GS as NodeObjectLoader,Ms as NodeShaderStage,Fs as NodeType,Zb as NodeUniform,Bs as NodeUpdateType,ws as NodeUtils,Jb as NodeVar,eT as NodeVarying,P as NormalBlending,hd as NormalMapNode,Er as NotEqualCompare,Ct as NotEqualDepth,wr as NotEqualStencilFunc,be as Object3D,Zu as Object3DNode,ds as ObjectLoader,A as ObjectSpaceNormalMap,dt as OneFactor,bt as OneMinusDstAlphaFactor,xt as OneMinusDstColorFactor,yt as OneMinusSrcAlphaFactor,ft as OneMinusSrcColorFactor,ve as OrthographicCamera,Mm as OutputStructNode,He as PCFShadowMap,DT as PMREMGenerator,ug as PMREMNode,Cm as ParameterNode,hy as PassNode,Ie as PerspectiveCamera,Hh as PhongLightingModel,Vp as PhysicalLightingModel,xe as Plane,Xr as PointLight,Yx as PointLightNode,Pf as PointUVNode,oe as PointsMaterial,Ug as PointsNodeMaterial,IS as PostProcessing,ay as PosterizeNode,mn as PropertyNode,Tf as QuadMesh,mr as RED_GREEN_RGTC2_Format,pr as RED_RGTC1_Format,Ge as REVISION,Le as RGBAFormat,et as RGBAIntegerFormat,lr as RGBA_ASTC_10x10_Format,or as RGBA_ASTC_10x5_Format,ar as RGBA_ASTC_10x6_Format,ur as RGBA_ASTC_10x8_Format,dr as RGBA_ASTC_12x10_Format,cr as RGBA_ASTC_12x12_Format,Zt as RGBA_ASTC_4x4_Format,Jt as RGBA_ASTC_5x4_Format,er as RGBA_ASTC_5x5_Format,tr as RGBA_ASTC_6x5_Format,rr as RGBA_ASTC_6x6_Format,sr as RGBA_ASTC_8x5_Format,ir as RGBA_ASTC_8x6_Format,nr as RGBA_ASTC_8x8_Format,hr as RGBA_BPTC_Format,Qt as RGBA_ETC2_EAC_Format,Xt as RGBA_PVRTC_2BPPV1_Format,qt as RGBA_PVRTC_4BPPV1_Format,zt as RGBA_S3TC_DXT1_Format,$t as RGBA_S3TC_DXT3_Format,Wt as RGBA_S3TC_DXT5_Format,Je as RGBFormat,Ze as RGBIntegerFormat,Kt as RGB_ETC1_Format,Yt as RGB_ETC2_Format,jt as RGB_PVRTC_2BPPV1_Format,Ht as RGB_PVRTC_4BPPV1_Format,kt as RGB_S3TC_DXT1_Format,Be as RGFormat,Qe as RGIntegerFormat,vf as RTTNode,ky as RangeNode,Yr as RectAreaLight,JT as RectAreaLightNode,Ye as RedFormat,Ke as RedIntegerFormat,Wl as ReferenceNode,mf as ReflectorNode,ts as ReinhardToneMapping,Tu as RemapNode,Ru as RenderOutputNode,ye as RenderTarget,iu as RendererReferenceNode,Nx as RendererUtils,yr as RepeatWrapping,zr as ReplaceStencilOp,ut as ReverseSubtractEquation,Eg as RotateNode,fr as SIGNED_RED_GREEN_RGTC2_Format,gr as SIGNED_RED_RGTC1_Format,We as SRGBColorSpace,h as SRGBTransfer,z as Scene,Vf as SceneNode,Lc as ScreenNode,Uy as ScriptableNode,Ey as ScriptableValueNode,js as SetNode,px as ShadowBaseNode,ae as ShadowMaterial,Lx as ShadowNode,Lg as ShadowNodeMaterial,st as ShortType,bc as SkinningNode,Ue as SphereGeometry,Hs as SplitNode,qr as SpotLight,e_ as SpotLightNode,ne as SpriteMaterial,Bg as SpriteNodeMaterial,Ym as SpriteSheetUVNode,ht as SrcAlphaFactor,pt as SrcAlphaSaturateFactor,ct as SrcColorFactor,Em as StackNode,g as StaticDrawUsage,wf as StorageArrayElementNode,Ef as StorageBufferAttribute,Bf as StorageBufferNode,Cf as StorageInstancedBufferAttribute,LS as StorageTexture,zf as StorageTextureNode,at as SubtractEquation,At as SubtractiveBlending,Hb as TSL,S as TangentSpaceNormalMap,zs as TempNode,ee as Texture,Vg as Texture3DNode,Iu as TextureNode,Bu as TextureSizeNode,ou as ToneMappingNode,py as ToonOutlinePassNode,Zm as TriplanarTexturesNode,Re as UVMapping,de as Uint16BufferAttribute,le as Uint32BufferAttribute,ku as UniformArrayNode,an as UniformGroupNode,pn as UniformNode,fe as UnsignedByteType,me as UnsignedInt248Type,Dt as UnsignedInt5999Type,b as UnsignedIntType,It as UnsignedShort4444Type,Lt as UnsignedShort5551Type,tt as UnsignedShortType,Wf as UserDataNode,Me as VSMShadowMap,Oa as VarNode,Wa as VaryingNode,t as Vector2,r as Vector3,s as Vector4,Uf as VertexColorNode,eh as ViewportDepthNode,Zc as ViewportDepthTextureNode,Th as ViewportSharedTextureNode,Xc as ViewportTextureNode,Gg as VolumeNodeMaterial,l as WebGLCoordinateSystem,O as WebGLCubeRenderTarget,d as WebGPUCoordinateSystem,US as WebGPURenderer,ze as WebXRController,lt as ZeroFactor,$r as ZeroStencilOp,nt as createCanvasElement,Is as defaultBuildStages,Ps as defaultShaderStages,Ls as shaderStages,Ds as vectorComponents};