107 lines
15 KiB
Plaintext
107 lines
15 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 \ <00>m ` l <00>m unifiedraytracing
bit_histogram BitHistogram A<> BitHistogram A<>
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BitHistogram A<> BitHistogram A<> BitHistogram A<> BitHistogram A<> bit_histogram.compute /**********************************************************************
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Copyright (c) 2019 Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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********************************************************************/
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// WebGPU has extremely strict uniformity requirements that are incompatible with the current implementation of this shader.
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#pragma exclude_renderers webgpu
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uint g_constants_num_keys;
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uint g_constants_num_blocks;
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uint g_constants_bit_shift;
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uint g_input_keys_offset;
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uint g_group_histograms_offset;
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RWStructuredBuffer<uint> g_buffer : register(u0);
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#define NUM_BINS 16u
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#define GROUP_SIZE 256u
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#define KEYS_PER_THREAD 4u
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groupshared int lds_histograms[NUM_BINS];
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//[RootSignature(ROOT_SIGNATURE)]
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#pragma kernel BitHistogram
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[numthreads(GROUP_SIZE, 1, 1)]
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void BitHistogram(
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in uint gidx: SV_DispatchThreadID,
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in uint lidx: SV_GroupThreadID,
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in uint bidx: SV_GroupID)
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{
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if (lidx < NUM_BINS)
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{
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lds_histograms[lidx] = 0;
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}
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GroupMemoryBarrierWithGroupSync();
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for (uint i = 0; i < KEYS_PER_THREAD; ++i)
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{
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// Calculate next input element index
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uint key_index = gidx * KEYS_PER_THREAD + i;
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// Handle out of bounds
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if (key_index >= g_constants_num_keys)
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{
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break;
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}
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// Determine bin index for next element
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int bin_index = (g_buffer[g_input_keys_offset + key_index] >> g_constants_bit_shift) & 0xf;
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// Increment LDS histogram counter (no atomic required, histogram is
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// private)
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InterlockedAdd(lds_histograms[bin_index], 1);
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}
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GroupMemoryBarrierWithGroupSync();
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// Write reduced bins into global memory
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if (lidx < NUM_BINS)
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{
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g_buffer[g_group_histograms_offset + g_constants_num_blocks * lidx + bidx] = lds_histograms[lidx];
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}
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}
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s Packages/com.unity.render-pipelines.core/Runtime/UnifiedRayTracing/Compute/RadeonRays/kernels/bit_histogram.compute BitHistogram <00><><EFBFBD><EFBFBD> <09>k<EFBFBD>'#<23>Q<EFBFBD><51>e<EFBFBD>r<EFBFBD>
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