85 lines
2.1 KiB
HLSL
85 lines
2.1 KiB
HLSL
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Texture2D Diffuse : register(t0);
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Texture2D Glow : register(t1);
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RWTexture2D<float4> Output : register(u0);
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cbuffer BlurrData : register(c0)
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{
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static const int blurRadius = 5;
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static const float Weights[11] =
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{
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0.05f,0.05f,0.1f,0.1f,0.1f,0.2f,0.1f,0.1f,0.1f,0.05f,0.05f
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};
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};
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[numthreads(32,32,1)]
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void TryCompute(uint3 ThreadID : SV_DispatchThreadID)
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{
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Output[ThreadID.xy] = Diffuse[ThreadID.xy]*0.5f+Glow[ThreadID.xy]*Glow[ThreadID.xy].w;
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}
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#define N 128
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#define gSize (N+2*blurRadius)
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groupshared float4 gCache[gSize];
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[numthreads(N,1,1)]
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void BlurrHor(int3 ThreadID : SV_DispatchThreadID, int3 gThreadID : SV_GroupThreadID)
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{
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if(gThreadID.x < blurRadius)
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{
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int x = max(ThreadID.x-blurRadius,0);
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gCache[gThreadID.x] = Diffuse[int2(x,ThreadID.y)];
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}
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if(gThreadID.x >= N-blurRadius)
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{
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int x = min(ThreadID.x+blurRadius,Diffuse.Length.x-1);
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gCache[gThreadID.x+2*blurRadius] = Diffuse[int2(x,ThreadID.y)];
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}
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gCache[gThreadID.x+blurRadius] = Diffuse[min(ThreadID.xy,Diffuse.Length.xy-1)];
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GroupMemoryBarrierWithGroupSync();
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float4 blurCol = float4(0,0,0,0);
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[unroll]
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for(int i = -blurRadius; i <= blurRadius;++i)
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{
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int k = gThreadID.x + blurRadius + i;
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blurCol +=Weights[i + blurRadius] * gCache[k];
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}
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Output[ThreadID.xy] = blurCol;
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//Output[ThreadID.xy] = Diffuse[((ThreadID.xy))];
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}
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[numthreads(1,N,1)]
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void BlurrVert(int3 ThreadID : SV_DispatchThreadID, int3 gThreadID : SV_GroupThreadID)
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{
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if(gThreadID.y < blurRadius)
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{
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int y = max(ThreadID.y-blurRadius,0);
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gCache[gThreadID.y] = Diffuse[int2(ThreadID.x,y)];
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}
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if(gThreadID.y >= N-blurRadius)
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{
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int y = min(ThreadID.y+blurRadius,Diffuse.Length.y-1);
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gCache[gThreadID.y+2*blurRadius] = Diffuse[int2(ThreadID.x,y)];
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}
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gCache[gThreadID.y+blurRadius] = Diffuse[min(ThreadID.xy,Diffuse.Length.xy-1)];
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GroupMemoryBarrierWithGroupSync();
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float4 blurCol = float4(0,0,0,0);
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[unroll]
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for(int i = -blurRadius; i <= blurRadius;++i)
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{
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int k = gThreadID.y + blurRadius + i;
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blurCol +=Weights[i + blurRadius] * gCache[k];
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}
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Output[ThreadID.xy] = blurCol;
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//Output[ThreadID.xy] = Diffuse[((ThreadID.xy))];
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}
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