225 lines
22 KiB
Plaintext
225 lines
22 KiB
Plaintext
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<00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <00> 1 <00>1 <00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> @ <00> <00> <00> <00> Q <00>j <00> <00> <00> <00>d <00><><EFBFBD><EFBFBD><EFBFBD> <00> 1 <00>1 <00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <00> <00> <00> <00> <00> H <00>j <00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <00> 1 <00>1 <00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> @ <00> <00> <00> <00> Q <00>j <00> <00> . <00>s <00> <00> <00><> <00> <00> <00><> <00> <00> <00><> <00> <00> <00><> <00> <00> <00><> <00> <00> <00><> <00> <00> <00><> <00> <00> <00><> <00> <00><> <00><><EFBFBD><EFBFBD><EFBFBD> <00> 1 <00>1 <00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <00> <00> <00> <00> <00> <00> j <00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <00> H <00> <00><><EFBFBD><EFBFBD><EFBFBD> <00> 1 <00>1 <00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> @ <00> <00> <00> <00> Q <00>j <00> <00> H <00> <00><><EFBFBD><EFBFBD><EFBFBD> <00> 1 <00>1 <00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> @ <00> <00> <00> <00> Q <00>j <00> <00> H <00> <00><><EFBFBD><EFBFBD><EFBFBD> <00> 1 <00>1 <00><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> @ <00> <00> <00> <00> Q <00>j <00> <00> <00> <00><> <00> <00> <00># <00> L <00>( <00> L <00>0 <00> @ ComputeShader PPtr<EditorExtension> m_FileID m_PathID PPtr<PrefabInstance> variants ComputeShaderPlatformVariant targetRenderer targetLevel kernels ComputeShaderKernelParent name uniqueVariants ComputeShaderKernel cbVariantIndices cbs ComputeShaderResource generatedName bindPoint samplerBindPoint texDimension resType textures builtinSamplers ComputeShaderBuiltinSampler sampler inBuffers outBuffers code threadGroupSize requirements keywords isCompiled variantIndices globalKeywords localKeywords dynamicKeywords constantBuffers ComputeShaderCB byteSize params ComputeShaderParam type offset arraySize rowCount colCount resourcesResolved compilerPlatform needsReflectionData ComputeShaderCompilationContext m_CompilationContext BuildTargetSelection buildTarget platform subTarget extendedPlatform isEditor platformGroup sourceFileName source sourceFile kernelMacros prunedKeywords compilationFlags supportedAPIs useDxcAPIs neverUseDxcAPIs includeHash0 includeHash1 includeHash2 includeHash3 buildTargetAPIMask errors ShaderError message messageDetails file line warning runtimeError H <00>m P (- <00>m OccluderDepthPyramidKernels OccluderDepthDownscale A<> A<> SRC_IS_MSAA A<> SRC_IS_ARRAY A<> SRC_IS_ARRAY SRC_IS_MSAA A<> USE_SRC A<> USE_SRC SRC_IS_MSAA A<> USE_SRC SRC_IS_ARRAY A<> USE_SRC SRC_IS_ARRAY SRC_IS_MSAA SRC_IS_MSAA SRC_IS_ARRAY SRC_IS_ARRAY SRC_IS_MSAA USE_SRC USE_SRC SRC_IS_MSAA USE_SRC SRC_IS_ARRAY USE_SRC SRC_IS_ARRAY SRC_IS_MSAA USE_SRC SRC_IS_ARRAY SRC_IS_MSAA OccluderDepthDownscale A<> A<> SRC_IS_MSAA A<> SRC_IS_ARRAY A<> SRC_IS_ARRAY SRC_IS_MSAA A<> USE_SRC A<> USE_SRC SRC_IS_MSAA
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#define SRC_IS_ARRAY_KEYWORD_DECLARED 1
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#define SRC_IS_MSAA_KEYWORD_DECLARED 1
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#pragma kernel OccluderDepthDownscale
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#pragma only_renderers d3d11 playstation xboxone xboxseries vulkan metal switch switch2 webgpu
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
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#include "Packages/com.unity.render-pipelines.core/Runtime/GPUDriven/OccluderDepthPyramidConstants.cs.hlsl"
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#include "Packages/com.unity.render-pipelines.core/Runtime/GPUDriven/OcclusionTestCommon.hlsl"
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#pragma multi_compile _ USE_SRC
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#pragma multi_compile _ SRC_IS_ARRAY
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#pragma multi_compile _ SRC_IS_MSAA
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RW_TEXTURE2D(float, _DstDepth);
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#ifdef USE_SRC
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#ifdef SRC_IS_MSAA
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#ifdef SRC_IS_ARRAY
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#ifndef SHADER_API_WEBGPU // Texture2DMSArray is not supported by WebGPU
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Texture2DMSArray<float> _SrcDepth;
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#endif
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#else
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Texture2DMS<float> _SrcDepth;
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#endif
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#else
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#ifdef SRC_IS_ARRAY
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TEXTURE2D_ARRAY(_SrcDepth);
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#else
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TEXTURE2D(_SrcDepth);
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#endif
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#endif
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#endif
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float LoadDepth(int2 coord, int srcSliceIndex)
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{
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#ifdef USE_SRC
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#ifdef SRC_IS_MSAA
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#ifdef SRC_IS_ARRAY
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#ifdef SHADER_API_WEBGPU // Texture2DMSArray is not supported by WebGPU
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return 0.0;
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#else
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return LOAD_TEXTURE2D_ARRAY_MSAA(_SrcDepth, coord, srcSliceIndex, 0).x;
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#endif
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#else
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return LOAD_TEXTURE2D_MSAA(_SrcDepth, coord, 0).x;
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#endif
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#else
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#ifdef SRC_IS_ARRAY
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return _SrcDepth[int3(coord, srcSliceIndex)].x;
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#else
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return _SrcDepth[coord].x;
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#endif
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#endif
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#else
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return _DstDepth[coord].x;
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#endif
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}
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uint2 CoordInTileByIndex(uint i)
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{
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// decode i = [yxxyyx] (we want each pair of bits to have an x and a y)
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return uint2(
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(i & 1) | ((i >> 2) & 6),
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((i >> 1) & 3) | ((i >> 3) & 4));
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}
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groupshared float s_farDepth[32];
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void SubgroupMergeDepths(uint threadID : SV_GroupThreadID, uint bitIndex, inout float farDepth)
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{
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uint highIndex = threadID >> (bitIndex + 1);
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uint lowIndex = threadID & ((1 << (bitIndex + 1)) - 1);
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if (lowIndex == (1 << bitIndex))
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s_farDepth[highIndex] = farDepth;
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#if !defined(SHADER_API_WEBGPU)
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GroupMemoryBarrierWithGroupSync();
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#endif
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if (lowIndex == 0)
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farDepth = FarthestDepth(farDepth, s_farDepth[highIndex]);
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#if !defined(SHADER_API_WEBGPU)
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GroupMemoryBarrierWithGroupSync();
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#endif
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}
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int2 DestMipOffset(int mipIndex, int dstSubviewIndex)
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{
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uint2 mipOffset = _MipOffsetAndSize[mipIndex].xy;
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mipOffset.y += dstSubviewIndex * _OccluderMipLayoutSizeY;
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return int2(mipOffset);
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}
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int2 DestMipSize(int mipIndex)
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|||
|
|
{
|
|||
|
|
return int2(_MipOffsetAndSize[mipIndex].zw);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
bool IsSilhouetteCulled(int2 coord, int updateIndex)
|
|||
|
|
{
|
|||
|
|
int2 srcSize = DestMipSize(0);
|
|||
|
|
float2 posNDC = float2(
|
|||
|
|
(coord.x + 0.5f) / (float)srcSize.x,
|
|||
|
|
(coord.y + 0.5f) / (float)srcSize.y);
|
|||
|
|
float3 posWS = ComputeWorldSpacePosition(posNDC, 0.2f, _InvViewProjMatrix[updateIndex]);
|
|||
|
|
|
|||
|
|
for (uint i = 0; i < _SilhouettePlaneCount; ++i)
|
|||
|
|
{
|
|||
|
|
float4 plane = _SilhouettePlanes[i];
|
|||
|
|
if (dot(plane.xyz, posWS) + plane.w < 0.0f)
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Downsample a depth texture by taking the min value of sampled pixels
|
|||
|
|
[numthreads(64, 1, 1)]
|
|||
|
|
void OccluderDepthDownscale(uint threadID : SV_GroupThreadID, uint3 groupID : SV_GroupID)
|
|||
|
|
{
|
|||
|
|
// assign threads to pixels in a swizzle-like pattern
|
|||
|
|
int2 dstCoord1 = (groupID.xy << 3) | CoordInTileByIndex(threadID);
|
|||
|
|
int updateIndex = groupID.z;
|
|||
|
|
|
|||
|
|
int srcSliceIndex = (_SrcSliceIndices >> (4*updateIndex)) & 0xf;
|
|||
|
|
int dstSubviewIndex = (_DstSubviewIndices >> (4*updateIndex)) & 0xf;
|
|||
|
|
|
|||
|
|
#if USE_SRC
|
|||
|
|
int2 loadOffset = int2(_SrcOffset[updateIndex].xy);
|
|||
|
|
#else
|
|||
|
|
int2 loadOffset = DestMipOffset(0, dstSubviewIndex);
|
|||
|
|
#endif
|
|||
|
|
int2 srcCoord = dstCoord1 << 1;
|
|||
|
|
int2 srcLimit = DestMipSize(0) - 1;
|
|||
|
|
|
|||
|
|
float p00 = LoadDepth(loadOffset + min(srcCoord + int2(0, 0), srcLimit), srcSliceIndex);
|
|||
|
|
float p10 = LoadDepth(loadOffset + min(srcCoord + int2(1, 0), srcLimit), srcSliceIndex);
|
|||
|
|
float p01 = LoadDepth(loadOffset + min(srcCoord + int2(0, 1), srcLimit), srcSliceIndex);
|
|||
|
|
float p11 = LoadDepth(loadOffset + min(srcCoord + int2(1, 1), srcLimit), srcSliceIndex);
|
|||
|
|
|
|||
|
|
#ifdef USE_SRC
|
|||
|
|
if (IsSilhouetteCulled(srcCoord + int2(0, 0), updateIndex))
|
|||
|
|
p00 = 1.f - UNITY_RAW_FAR_CLIP_VALUE;
|
|||
|
|
if (IsSilhouetteCulled(srcCoord + int2(1, 0), updateIndex))
|
|||
|
|
p10 = 1.f - UNITY_RAW_FAR_CLIP_VALUE;
|
|||
|
|
if (IsSilhouetteCulled(srcCoord + int2(0, 1), updateIndex))
|
|||
|
|
p01 = 1.f - UNITY_RAW_FAR_CLIP_VALUE;
|
|||
|
|
if (IsSilhouetteCulled(srcCoord + int2(1, 1), updateIndex))
|
|||
|
|
p11 = 1.f - UNITY_RAW_FAR_CLIP_VALUE;
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
float farDepth = FarthestDepth(float4(p00, p10, p01, p11));
|
|||
|
|
|
|||
|
|
// write dst0
|
|||
|
|
if (all(dstCoord1 < DestMipSize(1)))
|
|||
|
|
_DstDepth[DestMipOffset(1, dstSubviewIndex) + dstCoord1] = farDepth;
|
|||
|
|
|
|||
|
|
// merge towards thread 0 in subgroup size 4
|
|||
|
|
if (2 <= _MipCount)
|
|||
|
|
{
|
|||
|
|
SubgroupMergeDepths(threadID, 0, farDepth);
|
|||
|
|
SubgroupMergeDepths(threadID, 1, farDepth);
|
|||
|
|
if ((threadID & 0x3) == 0)
|
|||
|
|
{
|
|||
|
|
int2 dstCoord2 = dstCoord1 >> 1;
|
|||
|
|
if (all(dstCoord2 < DestMipSize(2)))
|
|||
|
|
_DstDepth[DestMipOffset(2, dstSubviewIndex) + dstCoord2] = farDepth;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// merge towards thread 0 in subgroup size 16
|
|||
|
|
if (3 <= _MipCount)
|
|||
|
|
{
|
|||
|
|
SubgroupMergeDepths(threadID, 2, farDepth);
|
|||
|
|
SubgroupMergeDepths(threadID, 3, farDepth);
|
|||
|
|
if ((threadID & 0xf) == 0)
|
|||
|
|
{
|
|||
|
|
int2 dstCoord3 = dstCoord1 >> 2;
|
|||
|
|
if (all(dstCoord3 < DestMipSize(3)))
|
|||
|
|
_DstDepth[DestMipOffset(3, dstSubviewIndex) + dstCoord3] = farDepth;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// merge to thread 0
|
|||
|
|
if (4 <= _MipCount)
|
|||
|
|
{
|
|||
|
|
SubgroupMergeDepths(threadID, 4, farDepth);
|
|||
|
|
SubgroupMergeDepths(threadID, 5, farDepth);
|
|||
|
|
if ((threadID & 0x3f) == 0)
|
|||
|
|
{
|
|||
|
|
int2 dstCoord4 = dstCoord1 >> 3;
|
|||
|
|
if (all(dstCoord4 < DestMipSize(4)))
|
|||
|
|
_DstDepth[DestMipOffset(4, dstSubviewIndex) + dstCoord4] = farDepth;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
v Packages/com.unity.render-pipelines.core/Runtime/RenderPipelineResources/GPUDriven/OccluderDepthPyramidKernels.compute OccluderDepthDownscale X<>
<00><15>_<EFBFBD>@ u6*į<>N<EFBFBD>!
|