17 lines
325 B
HLSL
17 lines
325 B
HLSL
#include "common.hlsli"
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#define LUMINANCE_VECTOR float3(0.3f, 0.38f, 0.22f)
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uniform sampler2D s_image;
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struct v2p
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{
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float2 tc0 : TEXCOORD0;
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float4 HPos : POSITION;
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};
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float4 main(v2p I) : COLOR
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{
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float3 image = tex2D(s_image, I.tc0);
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return float4(image, dot(image, LUMINANCE_VECTOR));
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}
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