git-svn-id: svn://db.shs.com.ru/libs@671 a8b55f48-bf90-11e4-a774-851b48703e85
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@@ -8,7 +8,7 @@ void main(void) {
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// frag //
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uniform sampler2D tex_0;
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uniform float exposure, frame_max;
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uniform float gamma, frame_max;
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const vec3 luma = vec3(0.299, 0.587, 0.114);
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@@ -17,7 +17,7 @@ void main(void) {
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vec4 src = texelFetch(tex_0, tc, 0);
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vec3 res = src.rgb;
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float l = dot(res, luma) * 0.75;
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float g = exposure / frame_max;
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float g = gamma / frame_max;
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res /= l;
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l = 1 - exp(-l*g);
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qgl_FragColor.rgb = res * l;
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