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Viewing changes to kwin/scene-fragment.glsl

  • Committer: Bazaar Package Importer
  • Author(s): Michał Zając
  • Date: 2011-07-09 08:31:15 UTC
  • Revision ID: james.westby@ubuntu.com-20110709083115-ohyxn6z93mily9fc
Tags: upstream-4.6.90
Import upstream version 4.6.90

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kwin/scene-fragment.glsl
 
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uniform sampler2D sampler;
 
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uniform vec4 modulation;
 
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uniform float saturation;
 
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uniform int debug;
 
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uniform int u_forceAlpha;
 
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varying vec2 varyingTexCoords;
 
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//varying vec4 color;
 
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void main() {
 
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    vec4 tex = texture2D(sampler, varyingTexCoords);
 
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    if (u_forceAlpha > 0) {
 
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        tex.a = 1.0;
 
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    }
 
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    if( saturation != 1.0 ) {
 
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        vec3 desaturated = tex.rgb * vec3( 0.30, 0.59, 0.11 );
 
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        desaturated = vec3( dot( desaturated, tex.rgb ));
 
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        tex.rgb = tex.rgb * vec3( saturation ) + desaturated * vec3( 1.0 - saturation );
 
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    }
 
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    tex *= modulation;
 
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    /*if (debug != 0) {
 
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        tex.g += 0.5;
 
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    }*/
 
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    gl_FragColor = tex;
 
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}