13 lines
298 B
GLSL
13 lines
298 B
GLSL
uniform float gamma_cent; // 0.6
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uniform float numColors; // 8.0
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vec4 process(vec4 color) {
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float gamma = gamma_cent*0.01;
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vec3 c = color.rgb;
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c = pow(c, vec3(gamma, gamma, gamma));
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c = c * numColors;
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c = floor(c);
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c = c / numColors;
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c = pow(c, vec3(1.0/gamma));
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return vec4(c, color.a);
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} |