aeon-199x/shaders/module/color_depth.frag

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2024-04-22 22:00:59 -04:00
#define colorDepth 6 // [1 3 6 8 12 24]
#define monoPalette 0 // [0 1 2]
#if colorDepth == 1
vec3 colormax = vec3(2, 1, 1);
#elif colorDepth == 3
vec3 colormax = vec3(2, 2, 2);
#elif colorDepth == 6
// 6-bit is 2:2:2
vec3 colormax = vec3(4, 4, 4);
#elif colorDepth == 8
// 8-bit is 3:3:2
vec3 colormax = vec3(8, 8, 4);
#elif colorDepth == 12
// 12-bit is 4:4:4
vec3 colormax = vec3(16, 16, 16);
#elif colorDepth == 24
// 24-bit is 8:8:8
vec3 colormax = vec3(256, 256, 256);
#endif
#if monoPalette == 0
vec3 monoColor = vec3(1, 1, 1);
#elif monoPalette == 1
vec3 monoColor = vec3(0.48, 0.72, 0.28);
#elif monoPalette == 2
vec3 monoColor = vec3(1, 0, 0);
#endif