30 lines
721 B
GLSL
30 lines
721 B
GLSL
#version 150
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uniform sampler2D t0;
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uniform float exposure;
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float tA = 0.15;
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float tB = 0.50;
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float tC = 0.10;
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float tD = 0.20;
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float tE = 0.02;
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float tF = 0.30;
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float tW = 11.2;
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vec3 Uncharted2Tonemap(vec3 x) {
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return ((x*(tA*x+tC*tB)+tD*tE)/(x*(tA*x+tB)+tD*tF))-tE/tF;
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}
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void main(void) {
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//qgl_FragData[0].rgb = texelFetch(t0, ivec2(gl_FragCoord.xy), 0).rgb;
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//return;
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vec3 inColor = texelFetch(t0, ivec2(gl_FragCoord.xy), 0).rgb;
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inColor *= exposure / 1.45;
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float ExposureBias = 1.;
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vec3 curr = Uncharted2Tonemap(ExposureBias*inColor);
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vec3 whiteScale = 1. / Uncharted2Tonemap(vec3(tW));
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vec3 color = curr * whiteScale;
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vec3 retColor = color;//pow(color, vec3(1 / 1));
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qgl_FragData[0].rgb = retColor;
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}
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