16 lines
456 B
GLSL
16 lines
456 B
GLSL
//Dithering from Jodie
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float Bayer2(vec2 a) {
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a = floor(a);
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return fract(a.x * 0.5 + a.y * a.y * 0.75);
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}
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#define Bayer4(a) (Bayer2(a * 0.5) * 0.25 + Bayer2(a))
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#define Bayer8(a) (Bayer4(a * 0.5) * 0.25 + Bayer2(a))
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float BayerCloud2(vec2 a) {
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a = floor(a);
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return fract(a.x * 0.5 + a.y * 0.75);
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}
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#define BayerCloud4(a) (BayerCloud2(a * 0.5) * 0.25 + BayerCloud2(a))
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#define BayerCloud8(a) (BayerCloud4(a * 0.5) * 0.25 + BayerCloud2(a)) |