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shaders: Small optimization in rgb2hsl. (#3831)
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1 changed files with 6 additions and 7 deletions
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@ -238,14 +238,13 @@ vec3 rgb2hsl(vec3 col) {
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vec3 adds = vec3(((green - blue) / delta), 2.0 + ((blue - red) / delta), 4.0 + ((red - green) / delta));
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float deltaGtz = (delta > 0.0) ? 1.0 : 0.0;
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if (delta > 0.0) {
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hue += dot(adds, masks);
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hue *= deltaGtz;
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hue /= 6.0;
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if (hue < 0.0)
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hue += 1.0;
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}
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return vec3(hue, sat, lum);
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}
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