wehub-resource-sync
33 lines
698 B
HLSL
33 lines
698 B
HLSL
Texture2D<float4> ImageA : register(t0);
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Texture2D<float4> ImageB : register(t1);
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RWByteAddressBuffer Counter : register(u0);
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cbuffer ParamConstants : register(b0)
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{
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float Scale;
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}
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[numthreads(1, 1, 1)] void reset(uint3 id : SV_DispatchThreadID)
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{
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Counter.Store(0, 0);
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}
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[numthreads(16, 16, 1)] void main(uint3 id : SV_DispatchThreadID)
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{
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uint2 size;
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ImageA.GetDimensions(size.x, size.y);
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if (id.x >= size.x || id.y >= size.y)
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return;
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float4 a = ImageA.Load(int3(id.xy, 0));
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float4 b = ImageB.Load(int3(id.xy, 0));
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float diff = length(a - b);
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uint scaled = (uint)(diff * Scale);
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int dummy;
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Counter.InterlockedAdd(0, scaled, dummy);
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}
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