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microdisplacement.cpp
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/*
* Copyright (c) 2022-2023, NVIDIA CORPORATION. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-FileCopyrightText: Copyright (c) 2022-2023 NVIDIA CORPORATION
* SPDX-License-Identifier: Apache-2.0
*/
#include <glm/gtc/type_ptr.hpp>
#include <glm/gtc/matrix_access.hpp>
#undef GLFW_INCLUDE_VULKAN
#include <imgui/imgui_helper.h>
#include <nvh/cameracontrol.hpp>
#include <nvh/fileoperations.hpp>
#include <nvh/misc.hpp>
#include <nvvk/appwindowprofiler_vk.hpp>
#include "vk_nv_micromesh_prototypes.h"
#include "renderer_vk.hpp"
#include "scene_vk.hpp"
#include "common.h"
#include "common_barymap.h"
#include "common_micromesh_compressed.h"
bool g_enableMicromeshRTExtensions = true;
bool g_verbose = false;
uint32_t g_numThreads = 0;
static_assert(MAX_BASE_SUBDIV < MAX_BARYMAP_LEVELS, "MAX_BARYMAP_LEVELS must allow for MAX_BASE_SUBDIV");
namespace microdisp {
int const SAMPLE_SIZE_WIDTH(1024);
int const SAMPLE_SIZE_HEIGHT(1024);
void setupContextRequirements(nvvk::ContextCreateInfo& contextInfo)
{
static VkPhysicalDeviceMeshShaderFeaturesNV meshFeatures = {VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MESH_SHADER_FEATURES_NV};
static VkPhysicalDevicePipelineExecutablePropertiesFeaturesKHR execPropertiesFeatures = {
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PIPELINE_EXECUTABLE_PROPERTIES_FEATURES_KHR};
static VkPhysicalDeviceFragmentShaderBarycentricFeaturesNV baryFeatures = {
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FRAGMENT_SHADER_BARYCENTRIC_FEATURES_NV};
static VkPhysicalDeviceShaderClockFeaturesKHR clockFeatures = {VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_CLOCK_FEATURES_KHR};
static VkPhysicalDeviceAccelerationStructureFeaturesKHR accFeatures = {VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ACCELERATION_STRUCTURE_FEATURES_KHR};
static VkPhysicalDeviceRayQueryFeaturesKHR rayQueryFeatures = {VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RAY_QUERY_FEATURES_KHR};
static VkPhysicalDeviceRayTracingPipelineFeaturesKHR rayPipelineFeatures = {
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RAY_TRACING_PIPELINE_FEATURES_KHR};
static VkPhysicalDeviceShaderFloat16Int8FeaturesKHR f16i8Features = {VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FLOAT16_INT8_FEATURES_KHR};
static VkPhysicalDeviceShaderImageAtomicInt64FeaturesEXT imageAtom64Features = {
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_IMAGE_ATOMIC_INT64_FEATURES_EXT};
static VkPhysicalDeviceShaderAtomicFloatFeaturesEXT floatFeatures = {VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_ATOMIC_FLOAT_FEATURES_EXT};
static VkPhysicalDeviceOpacityMicromapFeaturesEXT mmOpacityFeatures = {VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_OPACITY_MICROMAP_FEATURES_EXT};
static VkPhysicalDeviceDisplacementMicromapFeaturesNV mmDisplacementFeatures = {
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DISPLACEMENT_MICROMAP_FEATURES_NV};
contextInfo.apiMajor = 1;
contextInfo.apiMinor = 3;
contextInfo.addInstanceExtension(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
#if defined(_DEBUG) && 0
// enable debugPrintf
contextInfo.addDeviceExtension(VK_KHR_SHADER_NON_SEMANTIC_INFO_EXTENSION_NAME, false);
static VkValidationFeaturesEXT validationInfo = {VK_STRUCTURE_TYPE_VALIDATION_FEATURES_EXT};
static VkValidationFeatureEnableEXT enabledFeatures[] = {VK_VALIDATION_FEATURE_ENABLE_DEBUG_PRINTF_EXT};
validationInfo.enabledValidationFeatureCount = NV_ARRAY_SIZE(enabledFeatures);
validationInfo.pEnabledValidationFeatures = enabledFeatures;
contextInfo.instanceCreateInfoExt = &validationInfo;
#ifdef _WIN32
_putenv_s("DEBUG_PRINTF_TO_STDOUT", "1");
#else
putenv("DEBUG_PRINTF_TO_STDOUT=1");
#endif
#endif // _DEBUG
contextInfo.addDeviceExtension(VK_KHR_SHADER_CLOCK_EXTENSION_NAME, false, &clockFeatures);
contextInfo.addDeviceExtension(VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME, false);
contextInfo.addDeviceExtension(VK_NV_MESH_SHADER_EXTENSION_NAME, false, &meshFeatures);
contextInfo.addDeviceExtension(VK_NV_FRAGMENT_SHADER_BARYCENTRIC_EXTENSION_NAME, false, &baryFeatures);
contextInfo.addDeviceExtension(VK_NV_FILL_RECTANGLE_EXTENSION_NAME, false);
contextInfo.addDeviceExtension(VK_KHR_BUFFER_DEVICE_ADDRESS_EXTENSION_NAME, false);
contextInfo.addDeviceExtension(VK_KHR_PIPELINE_LIBRARY_EXTENSION_NAME, false);
contextInfo.addDeviceExtension(VK_KHR_DEFERRED_HOST_OPERATIONS_EXTENSION_NAME, false);
contextInfo.addDeviceExtension(VK_KHR_ACCELERATION_STRUCTURE_EXTENSION_NAME, false, &accFeatures);
contextInfo.addDeviceExtension(VK_KHR_RAY_QUERY_EXTENSION_NAME, false, &rayQueryFeatures);
contextInfo.addDeviceExtension(VK_KHR_RAY_TRACING_PIPELINE_EXTENSION_NAME, false, &rayPipelineFeatures);
contextInfo.addDeviceExtension(VK_KHR_PIPELINE_EXECUTABLE_PROPERTIES_EXTENSION_NAME, false, &execPropertiesFeatures);
contextInfo.addDeviceExtension(VK_NV_SHADER_SUBGROUP_PARTITIONED_EXTENSION_NAME, false);
contextInfo.addDeviceExtension(VK_EXT_SHADER_IMAGE_ATOMIC_INT64_EXTENSION_NAME, false, &imageAtom64Features);
contextInfo.addDeviceExtension(VK_EXT_SAMPLER_FILTER_MINMAX_EXTENSION_NAME, false);
contextInfo.addDeviceExtension(VK_EXT_SHADER_ATOMIC_FLOAT_EXTENSION_NAME, false, &floatFeatures);
contextInfo.addDeviceExtension(VK_EXT_OPACITY_MICROMAP_EXTENSION_NAME, true, &mmOpacityFeatures);
contextInfo.addDeviceExtension(VK_NV_DISPLACEMENT_MICROMAP_EXTENSION_NAME, true, &mmDisplacementFeatures);
}
class Frustum
{
public:
enum
{
PLANE_NEAR,
PLANE_FAR,
PLANE_LEFT,
PLANE_RIGHT,
PLANE_TOP,
PLANE_BOTTOM,
NUM_PLANES
};
static inline void init(glm::vec4 planes[NUM_PLANES], const glm::mat4& viewProj)
{
const float* clip = glm::value_ptr(viewProj);
planes[PLANE_RIGHT][0] = clip[3] - clip[0];
planes[PLANE_RIGHT][1] = clip[7] - clip[4];
planes[PLANE_RIGHT][2] = clip[11] - clip[8];
planes[PLANE_RIGHT][3] = clip[15] - clip[12];
planes[PLANE_LEFT][0] = clip[3] + clip[0];
planes[PLANE_LEFT][1] = clip[7] + clip[4];
planes[PLANE_LEFT][2] = clip[11] + clip[8];
planes[PLANE_LEFT][3] = clip[15] + clip[12];
planes[PLANE_BOTTOM][0] = clip[3] + clip[1];
planes[PLANE_BOTTOM][1] = clip[7] + clip[5];
planes[PLANE_BOTTOM][2] = clip[11] + clip[9];
planes[PLANE_BOTTOM][3] = clip[15] + clip[13];
planes[PLANE_TOP][0] = clip[3] - clip[1];
planes[PLANE_TOP][1] = clip[7] - clip[5];
planes[PLANE_TOP][2] = clip[11] - clip[9];
planes[PLANE_TOP][3] = clip[15] - clip[13];
planes[PLANE_FAR][0] = clip[3] - clip[2];
planes[PLANE_FAR][1] = clip[7] - clip[6];
planes[PLANE_FAR][2] = clip[11] - clip[10];
planes[PLANE_FAR][3] = clip[15] - clip[14];
planes[PLANE_NEAR][0] = clip[3] + clip[2];
planes[PLANE_NEAR][1] = clip[7] + clip[6];
planes[PLANE_NEAR][2] = clip[11] + clip[10];
planes[PLANE_NEAR][3] = clip[15] + clip[14];
for(int i = 0; i < NUM_PLANES; i++)
{
float length = sqrtf(planes[i][0] * planes[i][0] + planes[i][1] * planes[i][1] + planes[i][2] * planes[i][2]);
float magnitude = 1.0f / length;
for(int n = 0; n < 4; n++)
{
planes[i][n] *= magnitude;
}
}
}
};
// used for loading viewpoint files and material filter files
class SimpleParameterFile
{
public:
// loads a text file and stores the tokens in a vector per line and
// a vector of lines
// everything after a # gets ignored
SimpleParameterFile(std::string fileName)
{
std::ifstream f;
f.open(fileName);
if(!f)
return;
std::string lineOfFile;
while(getline(f, lineOfFile))
{
if(lineOfFile.length() == 0)
continue;
ParameterLine pLine;
std::stringstream ss(lineOfFile);
std::string token;
while(getline(ss, token, ' '))
{
if(token.length() == 0)
continue;
if(token[0] == '#')
{
// ignore rest of this line
break;
}
Parameter p;
p.strValue = token;
pLine.parameter.push_back(p);
}
if(pLine.parameter.size() > 0)
{
line.push_back(pLine);
}
}
f.close();
}
struct Parameter
{
// the string of the token
std::string strValue;
// returns true on success of storing the token as an int to toFill
bool toInt(int& toFill)
{
bool success = true;
try
{
toFill = std::stoi(strValue);
}
catch(...)
{
success = false;
}
return success;
}
// returns true on success of storing the token as a float to toFill
bool toFloat(float& toFill)
{
bool success = true;
try
{
toFill = std::stof(strValue);
}
catch(...)
{
success = false;
}
return success;
}
};
struct ParameterLine
{
std::vector<Parameter> parameter;
};
std::vector<ParameterLine> line;
};
class Sample : public nvvk::AppWindowProfilerVK
{
enum LodType
{
LOD_PRECOMPUTED_SPHERE,
LOD_DYNAMIC_TRIANGLE,
};
enum NormalType
{
NORMAL_FACET,
NORMAL_VERTEX,
NORMAL_TEXTURE,
NORMAL_MICROVERTEX,
};
enum GuiEnums
{
GUI_VIEWPOINT,
GUI_RENDERER,
GUI_SUPERSAMPLE,
GUI_SURFACEVIS,
GUI_LODTYPE,
GUI_DECODERTYPE,
GUI_LAYOUT,
GUI_FORMAT,
GUI_MODEL,
GUI_MODEL_OVERLAY,
GUI_NORMALS,
};
public:
struct Tweak
{
// shader / shading related
bool useStats = false;
bool showReflectionLine = false;
bool showReflectionBand = false;
bool hbaoFullRes = false;
float hbaoRadius = 0.05f;
bool colorize = false;
bool fp16displacementMath = false;
NormalType normalType = NORMAL_FACET;
float lodAreaScale = 1.0f;
LodType lodType = LOD_PRECOMPUTED_SPHERE;
bool useLod = false;
bool usePrimitiveCulling = false;
float displacementScale = 1.0f;
int surfaceVisualization = SURFACEVIS_SHADING;
bool useOcclusionCulling = false;
RendererVK::DecoderType decoderType = RendererVK::DECODER_BASETRI_MIP;
// render / scene setup
int renderer = 0;
int viewPoint = 0;
int supersample = 2;
float fov = 45.0f;
uint32_t objectFrom = 0;
uint32_t objectNum = ~0u;
uint32_t gridCopies = 1;
uint32_t gridAxis = 5;
float gridSpacing = 1.05f;
float renderScale = 1.0f;
float renderBias = 0.0f;
float rotateModelSpeed = 0.0f;
vec2 rotateModelDistance = vec2(0.4f, 0.1f);
uint32_t maxVisibleBits = 20;
static constexpr float minFov = 1.0f, maxFov = 130.0f;
};
struct ViewPoint
{
std::string name;
glm::mat4 mat;
float sceneScale;
float fov;
};
bool m_useUI = true;
#ifdef _DEBUG
bool m_advancedUI = true;
#else
bool m_advancedUI = false;
#endif
ImGuiH::Registry m_ui;
double m_uiTime = 0;
Tweak m_tweak;
Tweak m_lastTweak;
bool m_lastVsync;
size_t m_lastFbo = 0;
SceneVK m_scene;
std::string m_rendererName;
std::vector<unsigned int> m_renderersSorted;
uint32_t m_rendererType;
std::string m_rendererShaderPrepend;
std::string m_rendererLastShaderPrepend;
RendererVK* NV_RESTRICT m_renderer = nullptr;
ResourcesVK m_resources;
RenderList m_renderList;
FrameConfig m_frameConfig;
SceneData m_sceneUbo;
SceneData m_sceneUboLast;
std::string m_viewpointFilename;
std::vector<ViewPoint> m_viewPoints;
std::string m_modelFilenameLo;
glm::vec3 m_modelUpVector = glm::vec3(0, 1, 0);
int m_frames = 0;
double m_lastFrameTime = 0;
double m_statsCpuTime = 0;
double m_statsGpuTime = 0;
double m_statsRayTime = 0;
double m_statsRstTime = 0;
double m_statsRdrTime = 0;
double m_statsTskTime = 0;
double m_statsDrwTime = 0;
ShaderStats m_stats;
nvh::CameraControl m_control;
bool m_cameraParseSuccess = true;
bool setRendererFromName(const std::string& name);
bool initScene(const char* filenameLo);
bool initFramebuffers(int width, int height);
void initRenderer(int type);
void updateGrid(bool gpu = true)
{
m_scene.updateGrid(m_resources, m_tweak.gridCopies, m_tweak.gridAxis, m_tweak.gridSpacing, gpu);
}
void updateLow() { m_scene.updateLow(m_resources); }
bool initCore();
void postInitScene();
void deinitRenderer();
void saveViewpoint();
void loadViewpoints();
void setViewpoint();
void setupConfigParameters();
std::string getShaderPrepend();
template <typename T>
bool tweakChanged(const T& val) const
{
size_t offset = size_t(&val) - size_t(&m_tweak);
return memcmp(&val, reinterpret_cast<const uint8_t*>(&m_lastTweak) + offset, sizeof(T)) != 0;
}
template <typename T>
bool tweakChangedNonZero(const T& val) const
{
size_t offset = size_t(&val) - size_t(&m_tweak);
const T* lastVal = reinterpret_cast<const T*>(reinterpret_cast<const uint8_t*>(&m_lastTweak) + offset);
bool state = (val != 0) != (*lastVal != 0);
return state;
}
template <typename T>
bool tweakChangedPositive(const T& val) const
{
size_t offset = size_t(&val) - size_t(&m_tweak);
const T* lastVal = reinterpret_cast<const T*>(reinterpret_cast<const uint8_t*>(&m_lastTweak) + offset);
bool state = (val >= 0) != (*lastVal >= 0);
return state;
}
Sample()
: AppWindowProfilerVK(false)
{
setupConfigParameters();
setupContextRequirements(m_contextInfo);
// we need to ignore errors regarding storageInputOutput16
// due to an ovesight in the spec task shaders output and mesh shader input would have to adhere to this feature,
// but they are treated different compared to vertex shader input/outputs.
m_context.ignoreDebugMessage(0x6e224e9);
m_context.ignoreDebugMessage(0x715035dd);
#if defined(NDEBUG)
setVsync(false);
#endif
}
public:
void processUI(int width, int height, double time);
bool validateConfig() override;
bool begin() override;
void think(double time) override;
void resize(int width, int height) override;
void postBenchmarkAdvance() override;
void end() override;
// return true to prevent m_window updates
bool mouse_pos(int x, int y) override
{
if(!m_useUI)
return false;
return ImGuiH::mouse_pos(x, y);
}
bool mouse_button(int button, int action) override
{
if(!m_useUI)
return false;
return ImGuiH::mouse_button(button, action);
}
bool mouse_wheel(int wheel) override
{
if(!m_useUI)
return false;
return ImGuiH::mouse_wheel(wheel);
}
bool key_char(int key) override
{
if(!m_useUI)
return false;
return ImGuiH::key_char(key);
}
bool key_button(int button, int action, int mods) override
{
if(!m_useUI)
return false;
return ImGuiH::key_button(button, action, mods);
}
};
std::string Sample::getShaderPrepend()
{
std::string prepend;
prepend += nvh::stringFormat("#define USE_PRIMITIVE_CULLING %d\n", m_tweak.usePrimitiveCulling ? 1 : 0);
prepend += nvh::stringFormat("#define USE_OCCLUSION_CULLING %d\n", m_tweak.useOcclusionCulling ? 1 : 0);
prepend += nvh::stringFormat("#define USE_TRI_LOD %d\n", m_tweak.lodType == LOD_DYNAMIC_TRIANGLE ? 1 : 0);
prepend += nvh::stringFormat("#define USE_STATS %d\n", m_tweak.useStats ? 1 : 0);
prepend += nvh::stringFormat("#define USE_FACET_SHADING %d\n", m_tweak.normalType == NORMAL_FACET ? 1 : 0);
prepend += nvh::stringFormat("#define USE_FP16_DISPLACEMENT_MATH %d\n", m_tweak.fp16displacementMath ? 1 : 0);
prepend += nvh::stringFormat("#define SURFACEVIS %d\n", m_tweak.surfaceVisualization);
LOGI("new shader setup\n");
#ifdef _DEBUG
printf(prepend.c_str());
#endif
return prepend;
}
bool Sample::initScene(const char* filenameLo)
{
m_scene = SceneVK();
if(!filenameLo)
{
// Nothing to load
return true;
}
bool status = m_scene.load(filenameLo);
if(status)
{
if(m_scene.meshSetLo)
{
LOGI("lo-res mesh: %s\n", filenameLo);
LOGI("vertices: %9d\n", uint32_t(m_scene.meshSetLo->attributes.positions.size()));
LOGI("primitives: %9d\n", uint32_t(m_scene.meshSetLo->indices.size() / 3));
LOGI("materials: %9d\n", int32_t(m_scene.meshSetLo->materials.size()));
LOGI("instances: %9d\n", int32_t(m_scene.meshSetLo->meshInstances.size()));
LOGI("bboxdim: %f, %f, %f\n", m_scene.meshSetLo->bbox.diagonal().x, m_scene.meshSetLo->bbox.diagonal().y,
m_scene.meshSetLo->bbox.diagonal().z);
}
LOGI("\n");
}
else
{
LOGE("\ncould not load model (%s)\n", filenameLo);
}
return status;
}
bool Sample::initFramebuffers(int width, int height)
{
return m_resources.initFramebuffer(width, height, m_tweak.supersample, getVsync());
}
void Sample::postInitScene()
{
m_scene.init(m_resources);
updateGrid(false);
updateLow();
m_sceneUbo = {};
m_frameConfig.sceneUbo = &m_sceneUbo;
m_frameConfig.sceneUboLast = &m_sceneUboLast;
m_control.m_sceneUp = m_modelUpVector;
// Handle the case where we have no hi-res mesh properly
MeshBBox bbox = m_scene.meshSetLo->bbox;
m_control.m_sceneOrbit = glm::vec3((bbox.maxs + bbox.mins)) * 0.5f;
m_control.m_sceneDimension = glm::length((bbox.maxs - bbox.mins));
m_control.m_viewMatrix = glm::lookAt(m_control.m_sceneOrbit - (-glm::vec3(1, 1, 1) * m_control.m_sceneDimension * 0.5f),
m_control.m_sceneOrbit, m_modelUpVector);
m_sceneUbo.wLightPos = glm::vec4((bbox.maxs + bbox.mins) * 0.5f + m_control.m_sceneDimension, 1.0);
loadViewpoints();
if(m_useUI)
{
m_ui.enumReset(GUI_VIEWPOINT);
for(auto it = m_viewPoints.begin(); it != m_viewPoints.end(); it++)
{
m_ui.enumAdd(GUI_VIEWPOINT, int(it - m_viewPoints.begin()), it->name.c_str());
}
if(m_viewPoints.empty())
{
m_ui.enumAdd(GUI_VIEWPOINT, 0, "default");
}
m_ui.enumReset(GUI_NORMALS);
m_ui.enumAdd(GUI_NORMALS, NORMAL_FACET, "facet");
m_ui.enumAdd(GUI_NORMALS, NORMAL_VERTEX, "base-vertex");
if(m_scene.meshSetLo->textures.size() > 1)
{
m_ui.enumAdd(GUI_NORMALS, NORMAL_TEXTURE, "texture");
}
if(m_scene.barySet.displacements.size() && m_scene.barySet.shadings.size() == m_scene.barySet.displacements.size())
{
m_ui.enumAdd(GUI_NORMALS, NORMAL_MICROVERTEX, "micro-vertex");
}
m_ui.enumReset(GUI_DECODERTYPE);
if(m_scene.barySet.supportsCompressedMips())
{
m_ui.enumAdd(GUI_DECODERTYPE, RendererVK::DECODER_BASETRI_MIP, "base w. mip");
}
m_ui.enumAdd(GUI_DECODERTYPE, RendererVK::DECODER_MICROTRI, "micro");
if(m_context.hasDeviceExtension(VK_NV_DISPLACEMENT_MICROMAP_EXTENSION_NAME))
{
m_ui.enumAdd(GUI_DECODERTYPE, RendererVK::DECODER_MICROTRI_INTRINSIC, "micro (intrinsic)");
}
{
const RendererVK::Registry& registry = RendererVK::getRegistry();
m_ui.enumReset(GUI_RENDERER);
for(size_t i = 0; i < m_renderersSorted.size(); i++)
{
auto rendererType = registry[m_renderersSorted[i]];
if(rendererType->supportsCompressed() == m_scene.hasCompressedDisplacement)
{
m_ui.enumAdd(GUI_RENDERER, int(i), registry[m_renderersSorted[i]]->name());
}
}
}
}
if(!m_scene.barySet.supportsCompressedMips() && m_tweak.decoderType == RendererVK::DECODER_BASETRI_MIP)
{
// if not supported but set, then revert to MICROTRI decoder, preferably the intrinsic version
m_tweak.decoderType = m_context.hasDeviceExtension(VK_NV_DISPLACEMENT_MICROMAP_EXTENSION_NAME) ?
RendererVK::DECODER_MICROTRI_INTRINSIC :
RendererVK::DECODER_MICROTRI;
}
if(!m_context.hasDeviceExtension(VK_NV_DISPLACEMENT_MICROMAP_EXTENSION_NAME) && m_tweak.decoderType == RendererVK::DECODER_MICROTRI_INTRINSIC)
{
// if intrinsics not supported use fallback
m_tweak.decoderType = RendererVK::DECODER_MICROTRI;
}
setViewpoint();
if(m_scene.hasCompressedDisplacement)
{
setRendererFromName("compressed ms");
}
else if(m_scene.hasUncompressedDisplacement)
{
setRendererFromName("uncompressed ms");
}
}
void Sample::deinitRenderer()
{
if(m_renderer)
{
m_resources.synchronize("sync deinitRenderer");
m_renderer->deinit();
delete m_renderer;
m_renderer = nullptr;
}
}
void Sample::initRenderer(int typesort)
{
if(!(m_scene.meshSetLo))
return;
int type = m_renderersSorted[typesort % m_renderersSorted.size()];
m_rendererType = type;
deinitRenderer();
{
RenderList::Config config;
m_renderList.setup(&m_scene, &m_stats, config);
}
{
RendererVK::Config config;
config.useLod = m_tweak.useLod;
config.numThreads = g_numThreads;
config.useOcclusionHiz = m_tweak.useOcclusionCulling;
config.decoderType = m_tweak.decoderType;
config.maxVisibleBits = m_tweak.maxVisibleBits;
config.useNormalMap = m_tweak.normalType == NORMAL_TEXTURE;
config.useMicroVertexNormals = m_tweak.normalType == NORMAL_MICROVERTEX;
LOGI("renderer: %s\n", RendererVK::getRegistry()[type]->name());
m_renderer = RendererVK::getRegistry()[type]->create(m_resources);
if(!m_renderer->init(m_renderList, config))
{
LOGE("renderer init failed\n");
exit(-1);
}
}
}
void Sample::loadViewpoints()
{
m_viewPoints.clear();
if(m_viewpointFilename.empty())
return;
SimpleParameterFile vpParameters(m_viewpointFilename);
for(SimpleParameterFile::ParameterLine line : vpParameters.line)
{
// name + 16 for the matrix + optional scale + optional fov
if(line.parameter.size() >= 17 && line.parameter.size() <= 19)
{
bool lineIsOK = true;
ViewPoint vp;
vp.name = line.parameter[0].strValue;
// read matrix
float* mat_array = glm::value_ptr(vp.mat);
for(auto i = 0; i < 16; ++i)
{
bool valueIsFloat = line.parameter[1 + i].toFloat(mat_array[i]);
lineIsOK = lineIsOK & valueIsFloat;
}
// optionally scene scale
if(line.parameter.size() == 18)
{
lineIsOK = lineIsOK & line.parameter[17].toFloat(vp.sceneScale);
}
else
{
vp.sceneScale = 1.0f;
}
// optionally real scale
if(line.parameter.size() == 19)
{
lineIsOK = lineIsOK & line.parameter[18].toFloat(vp.fov);
}
else
{
vp.fov = 0;
}
// only save if all parameters were read correctly
if(lineIsOK)
{
m_viewPoints.push_back(vp);
}
}
}
}
void Sample::setViewpoint()
{
if(m_viewPoints.empty())
{
m_tweak.viewPoint = 0;
return;
}
m_tweak.viewPoint = std::min(std::max(m_tweak.viewPoint, 0), int(m_viewPoints.size() - 1));
m_control.m_viewMatrix = m_viewPoints[m_tweak.viewPoint].mat;
if(m_viewPoints[m_tweak.viewPoint].fov)
{
m_tweak.fov = m_viewPoints[m_tweak.viewPoint].fov;
}
}
bool Sample::initCore()
{
m_context.ignoreDebugMessage(0xa7bb8db6); // not a bug: complains about StorageInputOutput16
//m_context.ignoreDebugMessage(0x6bbb14); // not a bug: complains about InconsistentSpirv during optimization
//m_context.ignoreDebugMessage(0x23e43bb7); // not a bug: complains about InputNotProduced for pervertexNV variables - see https://github.com/KhronosGroup/Vulkan-ValidationLayers/issues/3194
LOGI("num threads: %u\n", g_numThreads);
std::vector<std::string> shaderSearchPaths;
std::string path = NVPSystem::exePath();
shaderSearchPaths.push_back(NVPSystem::exePath());
shaderSearchPaths.push_back(std::string("GLSL_" PROJECT_NAME));
shaderSearchPaths.push_back(NVPSystem::exePath() + std::string("GLSL_" PROJECT_NAME));
shaderSearchPaths.push_back(NVPSystem::exePath() + std::string(PROJECT_RELDIRECTORY));
m_resources.m_hbaoFullRes = m_tweak.hbaoFullRes;
bool validated = initScene(m_modelFilenameLo.empty() ? nullptr : m_modelFilenameLo.c_str());
validated = validated && m_resources.init(&m_context, &m_swapChain, shaderSearchPaths);
validated = validated
&& m_resources.initFramebuffer(m_windowState.m_swapSize[0], m_windowState.m_swapSize[1],
m_tweak.supersample, getVsync());
m_resources.m_shaderManager.m_prepend = getShaderPrepend();
if(!validated)
{
return false;
}
if(m_scene.meshSetLo)
{
postInitScene();
// postInitScene may change some flags
m_resources.m_shaderManager.m_prepend = getShaderPrepend();
}
return true;
}
bool Sample::begin()
{
m_profilerPrint = false;
m_timeInTitle = true;
m_renderer = nullptr;
if(m_context.hasDeviceExtension(VK_EXT_OPACITY_MICROMAP_EXTENSION_NAME))
{
load_VK_EXT_opacity_micromap_prototypes(m_context.m_device, vkGetDeviceProcAddr);
}
// ImGUI must come first
ImGuiH::Init(m_windowState.m_winSize[0], m_windowState.m_winSize[1], this, ImGuiH::FONT_MONOSPACED_SCALED);
ResourcesVK::initImGui(m_context);
const RendererVK::Registry& registry = RendererVK::getRegistry();
{
// setup renderer list
for(size_t i = 0; i < registry.size(); i++)
{
if(registry[i]->isAvailable(&m_context))
{
uint sortkey = uint(i);
sortkey |= registry[i]->priority() << 16;
m_renderersSorted.push_back(sortkey);
}
}
if(m_renderersSorted.empty())
{
LOGE("No renderers available\n");
return false;
}
std::sort(m_renderersSorted.begin(), m_renderersSorted.end());
for(size_t i = 0; i < m_renderersSorted.size(); i++)
{
m_renderersSorted[i] &= 0xFFFF;
LOGI("renderer %d: %s\n", uint32_t(i), registry[m_renderersSorted[i]]->name());
}
}
bool validated = initCore();
if(!validated)
{
return false;
}
if(!setRendererFromName(m_rendererName))
{
return false;
}
// setup UI
if(m_useUI)
{
auto& imgui_io = ImGui::GetIO();
m_ui.enumAdd(GUI_MODEL, MODEL_LO, "Base");
m_ui.enumAdd(GUI_MODEL, MODEL_DISPLACED, "Displaced");
m_ui.enumAdd(GUI_MODEL, NUM_MODELTYPES, "None");
m_ui.enumAdd(GUI_MODEL_OVERLAY, MODEL_LO, "Base");
m_ui.enumAdd(GUI_MODEL_OVERLAY, MODEL_DISPLACED, "Displaced");
m_ui.enumAdd(GUI_MODEL_OVERLAY, MODEL_SHELL, "Shell");
m_ui.enumAdd(GUI_MODEL_OVERLAY, NUM_MODELTYPES, "None");
m_ui.enumAdd(GUI_LAYOUT, (int32_t)bary::ValueLayout::eTriangleUmajor, "U-MAJOR");
m_ui.enumAdd(GUI_LAYOUT, (int32_t)bary::ValueLayout::eTriangleBirdCurve, "BIRD_CURVE");
m_ui.enumAdd(GUI_FORMAT, (int32_t)(bary::Format::eR8_unorm), "8_UNORM");
m_ui.enumAdd(GUI_FORMAT, (int32_t)(bary::Format::eR16_unorm), "16_UNORM");
m_ui.enumAdd(GUI_FORMAT, (int32_t)(bary::Format::eR11_unorm_pack16), "11_UNORM_PACK16");
m_ui.enumAdd(GUI_FORMAT, (int32_t)(bary::Format::eR32_sfloat), "32_SFLOAT");
m_ui.enumAdd(GUI_SURFACEVIS, SURFACEVIS_SHADING, "Default Shading");
m_ui.enumAdd(GUI_SURFACEVIS, SURFACEVIS_ANISOTROPY, "Anisotropy");
m_ui.enumAdd(GUI_SURFACEVIS, SURFACEVIS_BASETRI, "Base Triangle index");
m_ui.enumAdd(GUI_SURFACEVIS, SURFACEVIS_MICROTRI, "Global microtriangle index (raster)");
m_ui.enumAdd(GUI_SURFACEVIS, SURFACEVIS_LOCALTRI, "Local microtriangle index (raster)");
m_ui.enumAdd(GUI_SURFACEVIS, SURFACEVIS_FORMAT, "Encoding Format (raster compressed)");
m_ui.enumAdd(GUI_SURFACEVIS, SURFACEVIS_VALUERANGE, "Value Range (raster)");
m_ui.enumAdd(GUI_SURFACEVIS, SURFACEVIS_BASESUBDIV, "Base Subdiv (raster)");
m_ui.enumAdd(GUI_SURFACEVIS, SURFACEVIS_LODBIAS, "Dynamic LoD Bias (raster)");
m_ui.enumAdd(GUI_SURFACEVIS, SURFACEVIS_LODSUBDIV, "Dynamic LoD Base Subdiv (raster)");
m_ui.enumAdd(GUI_LODTYPE, LOD_PRECOMPUTED_SPHERE, "precomp. sphere");
m_ui.enumAdd(GUI_LODTYPE, LOD_DYNAMIC_TRIANGLE, "dynamic triangle");
}
m_resources.updatedShaders();
initRenderer(m_tweak.renderer);
m_lastTweak = m_tweak;
m_lastVsync = getVsync();
m_lastFbo = m_resources.m_fboChangeID;
return validated;
}
void Sample::end()
{
#if !_DEBUG
exit(0);
#endif
if(!m_resources.m_device)
return;
deinitRenderer();
m_scene.deinit(m_resources);
m_resources.deinit();
ResourcesVK::deinitImGui(m_context);
}
void Sample::processUI(int width, int height, double time)
{
// Update imgui configuration
auto& imgui_io = ImGui::GetIO();
imgui_io.DeltaTime = static_cast<float>(time - m_uiTime);
imgui_io.DisplaySize = ImVec2(static_cast<float>(width), static_cast<float>(height));
m_uiTime = time;
ImGui::NewFrame();
ImGui::SetNextWindowPos(ImVec2(5, 5), ImGuiCond_FirstUseEver);
ImGui::SetNextWindowSize(ImVec2(ImGuiH::dpiScaled(310), SAMPLE_SIZE_HEIGHT - 16), ImGuiCond_FirstUseEver);
ImVec4 advancedColor = {70.0f / 255.0f, 58.0f / 255.0f, 89.0f / 255.0f, 0.8f};
if(ImGui::Begin("NVIDIA " PROJECT_NAME))
{
ImGui::PushItemWidth(ImGuiH::dpiScaled(130));
ImGui::Checkbox("enable advanced UI options", &m_advancedUI);
bool earlyOut = !(m_scene.meshSetLo);
if(ImGui::CollapsingHeader("LOAD", ImGuiTreeNodeFlags_DefaultOpen))
{
bool doLoadFiles = false;
if(ImGui::Button("DISPLACED MODEL"))
{
std::string fileNameLo = NVPWindow::openFileDialog("Pick lo-res model with displacement (mandatory)",
"Supported (glTF 2.0)|*.gltf;*.glb;*.csf;"
"|All|*.*");
if(!fileNameLo.empty())
{
m_modelFilenameLo = fileNameLo;
m_viewpointFilename = std::string();
doLoadFiles = true;
}
}
ImGui::SameLine();
if(ImGui::Button("CFG FILE"))
{
std::string newFileName = openFileDialog("Config File", "cfg|*.cfg");
if(!newFileName.empty())
{
m_modelFilenameLo = std::string();
m_viewpointFilename = std::string();
parseConfigFile(newFileName.c_str());
if(!m_modelFilenameLo.empty())
{
doLoadFiles = true;
}
}
}