17 lines
292 B
GLSL
17 lines
292 B
GLSL
uniform sampler2D tex;
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uniform float low;
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out vec4 FragColor;
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vec3 getCIEYxy(vec3 rgbColor);
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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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float luma = getCIEYxy(col).x;
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col *= smoothstep(1., 10., luma);
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FragColor = vec4(col, 1.0);
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}
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