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Quick fix: prevents negative values being passed to pow.

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raa-eruanna 2016-09-21 15:13:10 -04:00 committed by Christoph Oelckers
parent 72491049e0
commit 2339b18b01
1 changed files with 1 additions and 1 deletions
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2
wadsrc/static/shaders/glsl/present.fp
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@ -11,7 +11,7 @@ vec4 ApplyGamma(vec4 c)
{ {
vec3 val = c.rgb * Contrast - (Contrast - 1.0) * 0.5; vec3 val = c.rgb * Contrast - (Contrast - 1.0) * 0.5;
val += Brightness * 0.5; val += Brightness * 0.5;
val = pow(val, vec3(InvGamma)); val = pow(max(val, vec3(0.0)), vec3(InvGamma));
return vec4(val, c.a); return vec4(val, c.a);
} }