added info about S3TC texture compression
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@ -7,7 +7,7 @@
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<center>
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<h1>Mesa Frequently Asked Questions</h1>
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Last updated: 26 November 2003
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Last updated: 31 December 2003
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</center>
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<br>
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@ -203,8 +203,8 @@ package and unpack it before compiling Mesa.
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<h2><a name="part2">2.6 What's the proper place for the libraries and headers?</a></h2>
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<p>
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<a name="part2">On Linux-based systems you'll want to follow the
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</a><a href="http://oss.sgi.com/projects/ogl-sample/ABI/index.html">Linux ABI</a>
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standard.
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</a><a href="http://oss.sgi.com/projects/ogl-sample/ABI/index.html"
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target="_parent">Linux ABI</a> standard.
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Basically you'll want the following:
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</p>
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<ul>
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@ -260,7 +260,7 @@ hardware it has detected.
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</a></p>
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<p>
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<a name="part3">If your DRI-based driver isn't working, go to the
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</a><a href="http://dri.sf.net/">DRI website</a> for trouble-shooting information.
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</a><a href="http://dri.sf.net/" target="_parent">DRI website</a> for trouble-shooting information.
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</p>
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@ -268,7 +268,8 @@ hardware it has detected.
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<p>
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Make sure the ratio of the far to near clipping planes isn't too great.
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Look
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<a href="http://www.sgi.com/software/opengl/advanced97/notes/node18.html">
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<a href="http://www.sgi.com/software/opengl/advanced97/notes/node18.html"
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target="_parent">
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here</a> for details.
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</p>
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<p>
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@ -324,7 +325,7 @@ will fix the problem.
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is discussed.
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</a></p>
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<p>
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<a name="part4">The </a><a href="http://www.opengl.org/developers/documentation/specs.html">
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<a name="part4">The </a><a href="http://www.opengl.org/developers/documentation/specs.html" target="_parent">
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OpenGL Specification</a> is the bible for OpenGL implemention work.
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You should read it.
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</p>
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@ -356,5 +357,22 @@ the archives) is a good way to get information.
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</p>
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<h2>4.3 Why isn't GL_EXT_texture_compression_s3tc implemented in Mesa and/or the DRI drivers?</h2>
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<p>
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The <a href="http://oss.sgi.com/projects/ogl-sample/registry/EXT/texture_compression_s3tc.txt" target="_parent">specification for the extension</a>
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indicates that there are intellectual property (IP) and/or patent issues
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to be dealt with.
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</p>
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<p>We've been unsucessful in getting a response from S3 (or whoever owns
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the IP nowadays) to indicate whether or not an open source project can
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implement the extension (specifically the compression/decompression
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algorithms).
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</p>
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<p>
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Until we can get official permission to do so, this extension will not
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be implemented in Mesa.
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</p>
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</body>
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</html>
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