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Viewing changes to src/modules/coordinateHUD/shaders/WMCoordinateHUD-fragment.glsl

  • Committer: Package Import Robot
  • Author(s): Sebastian Eichelbaum
  • Date: 2012-12-12 11:26:32 UTC
  • mfrom: (3.1.1 sid)
  • Revision ID: package-import@ubuntu.com-20121212112632-xhiuwkxuz5h0idkh
Tags: 1.3.1+hg5849-1
* Minor changes compared to 1.3.0 but included several bug fixes.
* See http://www.openwalnut.org/versions/4

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src/modules/coordinateHUD/shaders/WMCoordinateHUD-fragment.glsl
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#version 120
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/**
 
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 * Texture sampler for the face-label texture
 
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 */
 
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#ifdef USE_FACETEXTURE
 
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    uniform sampler2D tex;
 
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#endif
 
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void main()
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{
 
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#ifdef USE_FACETEXTURE
 
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    vec4 f = texture2D( tex, gl_TexCoord[0].st );
 
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    // simply set the color. All the magic happens in vertex shader.
 
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    gl_FragColor = vec4( f.r * gl_Color.rgb, 1.0 );
 
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#else
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    // simply set the color. All the magic happens in vertex shader.
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    gl_FragColor = gl_Color;
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#endif
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    // this line ensures that the coordinate system is always on top.
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    gl_FragDepth = 0.001 * gl_FragCoord.z;
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}