30 lines
686 B
GLSL
30 lines
686 B
GLSL
#version 150
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uniform sampler2D DiffuseSampler;
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in vec2 texCoord;
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in vec2 oneTexel;
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uniform vec2 InSize;
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uniform float Resolution;
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uniform float Saturation;
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uniform float MosaicSize;
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out vec4 fragColor;
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void main() {
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vec2 mosaicInSize = InSize / MosaicSize;
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vec2 fractPix = fract(texCoord * mosaicInSize) / mosaicInSize;
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vec4 baseTexel = texture(DiffuseSampler, texCoord - fractPix);
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vec3 fractTexel = baseTexel.rgb - fract(baseTexel.rgb * Resolution) / Resolution;
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float luma = dot(fractTexel, vec3(0.3, 0.59, 0.11));
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vec3 chroma = (fractTexel - luma) * Saturation;
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baseTexel.rgb = luma + chroma;
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baseTexel.a = 1.0;
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fragColor = baseTexel;
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}
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