From d44cd382e6100f1989d9706d446f8b813b20e0d9 Mon Sep 17 00:00:00 2001
From: Kai Ninomiya <kainino@chromium.org>
Date: Fri, 8 Nov 2024 18:26:09 -0800
Subject: [PATCH] [proposal] Change SetBlendConstant to take 4 floats

Fixes 378
---
 schema.json |  2 +-
 webgpu.h    |  4 ++--
 webgpu.yml  | 17 ++++++++++++-----
 3 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/schema.json b/schema.json
index 9c9d8db..a2010f5 100644
--- a/schema.json
+++ b/schema.json
@@ -172,7 +172,7 @@
                         "doc": {
                             "type": "string",
                             "$comment": "Doxygen doesn't support multi-paragraph param docs (containing \\n\\n)",
-                            "pattern": "^\n?.+(\n.+)*\n?$"
+                            "pattern": "^$|^\n?.+(\n.+)*\n?$"
                         }
                     }
                 }
diff --git a/webgpu.h b/webgpu.h
index d533daf..3f62130 100644
--- a/webgpu.h
+++ b/webgpu.h
@@ -2885,7 +2885,7 @@ typedef void (*WGPUProcRenderPassEncoderSetBindGroup)(WGPURenderPassEncoder rend
  * Proc pointer type for @ref wgpuRenderPassEncoderSetBlendConstant:
  * > @copydoc wgpuRenderPassEncoderSetBlendConstant
  */
-typedef void (*WGPUProcRenderPassEncoderSetBlendConstant)(WGPURenderPassEncoder renderPassEncoder, WGPUColor const * color) WGPU_FUNCTION_ATTRIBUTE;
+typedef void (*WGPUProcRenderPassEncoderSetBlendConstant)(WGPURenderPassEncoder renderPassEncoder, float r, float g, float b, float a) WGPU_FUNCTION_ATTRIBUTE;
 /**
  * Proc pointer type for @ref wgpuRenderPassEncoderSetIndexBuffer:
  * > @copydoc wgpuRenderPassEncoderSetIndexBuffer
@@ -3563,7 +3563,7 @@ WGPU_EXPORT void wgpuRenderPassEncoderInsertDebugMarker(WGPURenderPassEncoder re
 WGPU_EXPORT void wgpuRenderPassEncoderPopDebugGroup(WGPURenderPassEncoder renderPassEncoder) WGPU_FUNCTION_ATTRIBUTE;
 WGPU_EXPORT void wgpuRenderPassEncoderPushDebugGroup(WGPURenderPassEncoder renderPassEncoder, WGPUStringView groupLabel) WGPU_FUNCTION_ATTRIBUTE;
 WGPU_EXPORT void wgpuRenderPassEncoderSetBindGroup(WGPURenderPassEncoder renderPassEncoder, uint32_t groupIndex, WGPU_NULLABLE WGPUBindGroup group, size_t dynamicOffsetCount, uint32_t const * dynamicOffsets) WGPU_FUNCTION_ATTRIBUTE;
-WGPU_EXPORT void wgpuRenderPassEncoderSetBlendConstant(WGPURenderPassEncoder renderPassEncoder, WGPUColor const * color) WGPU_FUNCTION_ATTRIBUTE;
+WGPU_EXPORT void wgpuRenderPassEncoderSetBlendConstant(WGPURenderPassEncoder renderPassEncoder, float r, float g, float b, float a) WGPU_FUNCTION_ATTRIBUTE;
 WGPU_EXPORT void wgpuRenderPassEncoderSetIndexBuffer(WGPURenderPassEncoder renderPassEncoder, WGPUBuffer buffer, WGPUIndexFormat format, uint64_t offset, uint64_t size) WGPU_FUNCTION_ATTRIBUTE;
 WGPU_EXPORT void wgpuRenderPassEncoderSetLabel(WGPURenderPassEncoder renderPassEncoder, WGPUStringView label) WGPU_FUNCTION_ATTRIBUTE;
 WGPU_EXPORT void wgpuRenderPassEncoderSetPipeline(WGPURenderPassEncoder renderPassEncoder, WGPURenderPipeline pipeline) WGPU_FUNCTION_ATTRIBUTE;
diff --git a/webgpu.yml b/webgpu.yml
index 34241a1..64dea37 100644
--- a/webgpu.yml
+++ b/webgpu.yml
@@ -4516,11 +4516,18 @@ objects:
         doc: |
           TODO
         args:
-          - name: color
-            doc: |
-              TODO
-            type: struct.color
-            pointer: immutable
+          - name: r
+            doc: ''
+            type: float32
+          - name: g
+            doc: ''
+            type: float32
+          - name: b
+            doc: ''
+            type: float32
+          - name: a
+            doc: ''
+            type: float32
       - name: set_viewport
         doc: |
           TODO