dolphin/grayscale.txt
2009-08-09 21:40:54 +00:00

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uniform samplerRECT samp0 : register(s0);
void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0)
{
float4 c0 = texRECT(samp0, uv0).rgba;
float avg = (c0.r + c0.g + c0.b) / 3.0;
ocol0 = float4(avg, avg, avg, c0.a);
}