24 lines
611 B
GLSL
24 lines
611 B
GLSL
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// Copyright 2020 Google LLC
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Texture2D textureSSAO : register(t0);
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SamplerState samplerSSAO : register(s0);
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float4 main([[vk::location(0)]] float2 inUV : TEXCOORD0) : SV_TARGET
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{
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const int blurRange = 2;
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int n = 0;
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int2 texDim;
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textureSSAO.GetDimensions(texDim.x, texDim.y);
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float2 texelSize = 1.0 / (float2)texDim;
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float result = 0.0;
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for (int x = -blurRange; x < blurRange; x++)
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{
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for (int y = -blurRange; y < blurRange; y++)
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{
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float2 offset = float2(float(x), float(y)) * texelSize;
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result += textureSSAO.Sample(samplerSSAO, inUV + offset).r;
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n++;
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}
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}
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return result / (float(n));
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}
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