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40 lines
904 B
GLSL
40 lines
904 B
GLSL
uniform sampler2D samp9;
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out vec4 ocol0;
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in vec2 uv0;
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uniform vec4 resolution;
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void main()
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{
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float4 c0 = texture(samp9, uv0);
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float4 c1 = texture(samp9, uv0 - float2(1.0, 0.0) * resolution.zw);
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float4 c2 = texture(samp9, uv0 - float2(0.0, 1.0) * resolution.zw);
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float4 c3 = texture(samp9, uv0 + float2(1.0, 0.0) * resolution.zw);
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float4 c4 = texture(samp9, uv0 + float2(0.0, 1.0) * resolution.zw);
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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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ocol0 = float4(red, green, blue, c0.a);
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}
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