19 lines
403 B
GLSL
19 lines
403 B
GLSL
uniform sampler2D tex;
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out vec4 FragColor;
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vec3 getCIEYxy(vec3 rgbColor);
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vec3 getRGBFromCIEXxy(vec3 YxyColor);
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void main()
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{
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vec2 uv = gl_FragCoord.xy / 512;
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vec3 col = texture(tex, uv).xyz;
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vec3 Yxy = getCIEYxy(col);
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vec3 WhiteYxy = getCIEYxy(vec3(1.));
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Yxy.x = smoothstep(WhiteYxy.x, WhiteYxy.x * 4, Yxy.x);
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FragColor = vec4(max(vec3(0.), getRGBFromCIEXxy(Yxy)), 1.0);
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}
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