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@@ -14,10 +14,5 @@ void main() {
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// https://en.wikipedia.org/wiki/Grayscale#Luma_coding_in_video_systems
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// https://en.wikipedia.org/wiki/Grayscale#Luma_coding_in_video_systems
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gray = dot(pixColor.rgb, vec3(0.2627, 0.6780, 0.0593));
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gray = dot(pixColor.rgb, vec3(0.2627, 0.6780, 0.0593));
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// Change contrast
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float contrast = 0.95;
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gray = (gray - 0.5) * contrast + 0.5;
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gray = clamp(gray, 0.0, 1.0);
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fragColor = vec4(vec3(gray), pixColor.a);
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fragColor = vec4(vec3(gray), pixColor.a);
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}
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}
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