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34 lines
702 B
GLSL
34 lines
702 B
GLSL
void main()
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{
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float4 c0 = Sample();
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float4 c1 = SampleOffset(int2(-1, 0));
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float4 c2 = SampleOffset(int2( 0, -1));
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float4 c3 = SampleOffset(int2( 1, 0));
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float4 c4 = SampleOffset(int2( 0, 1));
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float red = c0.r;
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float blue = c0.b;
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float green = c0.g;
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float red2 = (c1.r + c2.r + c3.r + c4.r) / 4.0;
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float blue2 = (c1.b + c2.b + c3.b + c4.b) / 4.0;
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float green2 = (c1.g + c2.g + c3.g + c4.g) / 4.0;
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if (red2 > 0.3)
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red = c0.r + c0.r / 2.0;
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else
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red = c0.r - c0.r / 2.0;
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if (green2 > 0.3)
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green = c0.g+ c0.g / 2.0;
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else
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green = c0.g - c0.g / 2.0;
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if (blue2 > 0.3)
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blue = c0.b+ c0.b / 2.0;
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else
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blue = c0.b - c0.b / 2.0;
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SetOutput(float4(red, green, blue, c0.a));
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}
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