32 lines
773 B
Plaintext
32 lines
773 B
Plaintext
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#pragma kernel CSMain
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#pragma kernel ClearKernel
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RWTexture2D<float4> _PreCalcTexture;
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RWTexture2D<float4> _CloudShadowMap;
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float _nSizeInCloudDataTex;
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[numthreads(8,8,1)]
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void CSMain (uint3 id : SV_DispatchThreadID)
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{
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uint startY = uint(max((id.y - 0) * _nSizeInCloudDataTex, 0));
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uint endY = uint((id.y + 1) * _nSizeInCloudDataTex) - 1;
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float minValue = 0;
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for (uint y = startY; y < endY; y++)
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{
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float currentValue = _CloudShadowMap[uint2(id.x, y)].r;
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minValue = max(minValue, currentValue);
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}
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float4 finalColor = float4(minValue, minValue, minValue, 1);
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_PreCalcTexture[id.xy] = finalColor;
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}
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[numthreads(8,8,1)]
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void ClearKernel (uint3 id : SV_DispatchThreadID)
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{
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_PreCalcTexture[id.xy] = float4(0, 0, 0, 0);
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}
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