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35 lines
1.2 KiB
35 lines
1.2 KiB
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderVariables.hlsl"
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/ACES.hlsl"
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/HDROutput.hlsl"
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#pragma only_renderers d3d11 playstation xboxone xboxseries vulkan metal switch
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#pragma kernel KCIExyGen
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#define GROUP_SIZE_X 8
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#define GROUP_SIZE_Y 8
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TEXTURE2D_X(_SourceTexture);
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RW_TEXTURE2D_X(float, _xyBuffer);
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float4 _HDRxyBufferDebugParams;
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#define _SizePerDim _HDRxyBufferDebugParams.xy
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float2 RGBtoxy(float3 rgb)
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{
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float3 XYZ = RotateOutputSpaceToXYZ(rgb);
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return XYZ.xy / (dot(XYZ, 1));
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}
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[numthreads(GROUP_SIZE_X, GROUP_SIZE_Y, 1)]
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void KCIExyGen(uint groupIndex : SV_GroupIndex,
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uint3 dispatchThreadId : SV_DispatchThreadID)
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{
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UNITY_XR_ASSIGN_VIEW_INDEX(dispatchThreadId.z);
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float3 rgbData = LOAD_TEXTURE2D_X(_SourceTexture, dispatchThreadId.xy).rgb;
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float2 xy = (RGBtoxy(rgbData));
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_xyBuffer[COORD_TEXTURE2D_X(xy * _SizePerDim)] = 1;
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}
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