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  • Committer: Bazaar Package Importer
  • Author(s): Emilio Pozuelo Monfort
  • Date: 2010-03-21 13:27:56 UTC
  • mto: (2.1.3 experimental)
  • mto: This revision was merged to the branch mainline in revision 8.
  • Revision ID: james.westby@ubuntu.com-20100321132756-nf8yd30yxo3zzwcm
Tags: upstream-1.2.2
Import upstream version 1.2.2

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doc/reference/cogl/html/cogl-Blend-Strings.html
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<link rel="up" href="ch01.html" title="COGL - GL Abstraction API">
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<link rel="prev" href="cogl-Textures.html" title="Textures">
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<link rel="next" href="cogl-Materials.html" title="Materials">
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<meta name="generator" content="GTK-Doc V1.11 (XML mode)">
 
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<meta name="generator" content="GTK-Doc V1.13 (XML mode)">
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<link rel="stylesheet" href="style.css" type="text/css">
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<link rel="chapter" href="ch01.html" title="COGL - GL Abstraction API">
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<link rel="index" href="ix01.html" title="Index">
 
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<link rel="chapter" href="ch02.html" title="COGL experimental API">
 
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<link rel="index" href="ix01.html" title="Index of all symbols">
 
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<link rel="index" href="ix02.html" title="Index of deprecated symbols">
 
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<link rel="index" href="ix03.html" title="Index of new symbols in 0.8">
 
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<link rel="index" href="ix04.html" title="Index of new symbols in 1.0">
 
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<link rel="index" href="ix05.html" title="Index of new symbols in 1.2">
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<link rel="appendix" href="license.html" title="Appendix A. License">
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</head>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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<td><a accesskey="n" href="cogl-Materials.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
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</tr>
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<tr><td colspan="5" class="shortcuts">
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                 | 
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                <a href="#cogl-Blend-Strings.description" class="shortcut">Cogl Blend Strings</a>
 
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                   | 
 
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                  <a href="#cogl-Blend-Strings.description" class="shortcut">Cogl Blend Strings</a>
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</td></tr>
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</table>
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<div class="refentry" title="Material Blend Strings">
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</p>
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<div class="section" title="Some examples">
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<div class="titlepage"><div><div><h4 class="title">
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<a name="id2815137"></a>Some examples</h4></div></div></div>
 
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<a name="id2966125"></a>Some examples</h4></div></div></div>
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<p>Here is an example used for blending:</p>
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<pre class="programlisting">
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"RGBA = ADD (SRC_COLOR * (SRC_COLOR[A]), DST_COLOR * (1-SRC_COLOR[A]))"
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<pre class="programlisting">
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  glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
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  glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE);
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  glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
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  glTexEnvi (GL_TEXTURE_ENV, GL_SRC0_RGB, GL_PREVIOUS);
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  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
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  glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_MODULATE);
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  glTexEnvi (GL_TEXTURE_ENV, GL_SRC0_RGB, GL_PREVIOUS);
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  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
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  glTexEnvi (GL_TEXTURE_ENV, GL_SRC1_RGB, GL_TEXTURE);
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  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
 
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  glTexEnvi (GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_PREVIOUS);
 
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  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_COLOR);
 
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  glTexEnvi (GL_TEXTURE_ENV, GL_SRC1_ALPHA, GL_TEXTURE);
 
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  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_COLOR);
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</pre>
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</div>
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<div class="section" title="Here's the syntax">
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</div>
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<div class="footer">
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<hr>
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          Generated by GTK-Doc V1.11</div>
 
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          Generated by GTK-Doc V1.13</div>
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</body>
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</html>
 
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</html>
 
 
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