2005-01-05 01:17:23 +00:00
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<!--
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2007-03-01 05:11:36 +00:00
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Copyright (C) 2002-2007, Milan Ikits <milan ikits[]ieee org>
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Copyright (C) 2002-2007, Marcelo E. Magallon <mmagallo[]debian org>
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2005-01-05 01:17:23 +00:00
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This documentation may not be modified or redistributed in any
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form, except by the copyright holder.
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-->
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2005-03-15 04:22:50 +00:00
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2005-01-05 01:17:23 +00:00
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<html>
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<head>
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<title>
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GLEW: The OpenGL Extension Wrangler Library
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</title>
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2005-03-15 04:22:50 +00:00
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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2005-01-05 01:17:23 +00:00
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2005-03-15 04:22:50 +00:00
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2005-01-05 01:17:23 +00:00
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2006-11-21 06:47:33 +00:00
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<tr><td align="center"><i>Latest Release: <a href="https://sourceforge.net/project/showfiles.php?group_id=67586&package_id=67942&release_id=465334">1.3.5</a></i></td></tr>
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2005-01-05 01:17:23 +00:00
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<tr><td align="center"><br></td></tr>
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<tr><td align="center"><img src="./glew.png" alt="GLEW Logo" width="97" height="75"></td></tr>
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2005-01-06 06:54:46 +00:00
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<tr><td align="center"><a href="index.html">Download</a></td></tr>
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2005-01-05 01:17:23 +00:00
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<tr><td align="center"><b>Installation</b></td></tr>
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<tr><td align="center"><a href="basic.html">Basic Usage</a></td></tr>
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<tr><td align="center"><a href="advanced.html">Advanced Usage</a></td></tr>
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<tr><td align="center"><a href="credits.html">Credits & Copyright</a></td></tr>
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<tr><td align="center"><a href="log.html">Change Log</a></td></tr>
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<tr><td align="center"><a href="http://sourceforge.net/projects/glew/">Project Page</a></td></tr>
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2005-03-15 04:22:50 +00:00
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<tr><td align="center"><a href="https://sourceforge.net/mail/?group_id=67586">Mailing Lists</a></td></tr>
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2005-01-05 01:17:23 +00:00
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<tr><td align="center"><a href="http://sourceforge.net/tracker/?group_id=67586">Bug Tracker</a></td></tr>
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2006-11-21 06:47:33 +00:00
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<tr><td align="center"><i>Last Update: 11-21-06</i></td></tr>
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2005-01-06 06:54:46 +00:00
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<tr><td align="center">
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<a href="http://www.opengl.org"> <img src="./ogl_sm.jpg" width="68"
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2005-03-15 04:22:50 +00:00
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2005-01-06 06:54:46 +00:00
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<a href="http://sourceforge.net"> <img
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2005-03-15 04:22:50 +00:00
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2005-01-06 06:54:46 +00:00
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2007-03-01 17:15:20 +00:00
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<tr><td align="center"><a
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href="http://sourceforge.net/donate/index.php?group_id=67586"><img
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2005-01-05 01:17:23 +00:00
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</tr>
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</table>
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</td>
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<td bgcolor="#ffffff" align="left" valign="top">
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<h1 align="center">The OpenGL Extension Wrangler Library</h1>
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<h2>Installation</h2>
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<p>
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To use the shared library version of GLEW, you need to copy the
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headers and libraries into their destination directories. On Windows
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this typically boils down to copying:
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</p>
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<table border="0" cellpadding="0" cellspacing="0" align="center"> <!-- bgcolor="#f0f0f0" -->
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2005-02-03 03:49:03 +00:00
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<tr><td align="left"><tt>bin/glew32.dll</tt></td><td> to </td>
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2005-01-05 01:17:23 +00:00
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<td align="left"><tt>%SystemRoot%/system32</tt></td></tr>
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<tr><td align="left"><tt>lib/glew32.lib</tt></td><td> to </td>
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<td align="left"><tt>{VC Root}/Lib</tt></td></tr>
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<tr><td align="left"><tt>include/GL/glew.h</tt></td><td> to </td>
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<td align="left"><tt>{VC Root}/Include/GL</tt></td></tr>
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<tr><td align="left"><tt>include/GL/wglew.h</tt></td><td> to </td>
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<td align="left"><tt>{VC Root}/Include/GL</tt></td></tr>
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</table>
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<p>
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</p>
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<p>
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where <tt>{VC Root}</tt> is the Visual C++ root directory, typically
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<tt>C:/Program Files/Microsoft Visual Studio/VC98</tt> for Visual
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Studio 6.0 or <tt>C:/Program Files/Microsoft Visual
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2005-01-30 22:12:33 +00:00
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Studio .NET 2003/Vc7/PlatformSDK</tt> for Visual Studio .NET.
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2005-01-05 01:17:23 +00:00
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</p>
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<p>
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On Unix, typing <tt>make install</tt> will attempt to install GLEW
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into <tt>/usr/include/GL</tt> and <tt>/usr/lib</tt>. You can
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customize the installation target via the <tt>GLEW_DEST</tt>
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environment variable if you do not have write access to these
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directories.
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</p>
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<h2>Building Your Project with GLEW</h2>
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<p>
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There are two ways to build your project with GLEW.
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</p>
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<h3>Including the source files / project file</h3>
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<p>
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The simpler but less flexible way is to include <tt>glew.h</tt> and
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<tt>glew.c</tt> into your project. On Windows, you also need to
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define the <tt>GLEW_STATIC</tt> preprocessor token when building a
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static library or executable, and the <tt>GLEW_BUILD</tt> preprocessor
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token when building a dll. You also need to replace
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<tt><GL/gl.h></tt> and <tt><GL/glu.h></tt> with
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<tt><glew.h></tt> in your code and set the appropriate include
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flag (<tt>-I</tt>) to tell the compiler where to look for it. For
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example:
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</p>
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<p class="pre">
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#include <glew.h><br>
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#include <GL/glut.h><br>
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<gl, glu, and glut functionality is available here><br>
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</p>
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<p>
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Depending on where you put <tt>glew.h</tt> you may also need to change
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the include directives in <tt>glew.c</tt>. Note that if you are using
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GLEW together with GLUT, you have to include <tt>glew.h</tt> first.
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In addition, <tt>glew.h</tt> includes <tt>glu.h</tt>, so you do not
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need to include it separately.
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</p>
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<p>
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On Windows, you also have the option of adding the supplied project
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file <tt>glew_static.dsp</tt> to your workspace (solution) and compile
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it together with your other projects. In this case you also need to
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change the <tt>GLEW_BUILD</tt> preprocessor constant to
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<tt>GLEW_STATIC</tt> when building a static library or executable,
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otherwise you get build errors.
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</p>
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<p>
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<b>Note that GLEW does not use the C
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runtime library, so it does not matter which version (single-threaded,
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multi-threaded or multi-threaded DLL) it is linked with (without
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debugging information). It is, however, always a good idea to compile all
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your projects including GLEW with the same C runtime settings.</b>
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</p>
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<h3>Using GLEW as a shared library</h3>
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<p>
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Alternatively, you can use the provided project files / makefile to
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build a separate shared library you can link your projects with later.
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In this case the best practice is to install <tt>glew.h</tt>,
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<tt>glew32.lib</tt>, and <tt>glew32.dll</tt> / <tt>libGLEW.so</tt> to
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where the OpenGL equivalents <tt>gl.h</tt>, <tt>opengl32.lib</tt>, and
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<tt>opengl32.dll</tt> / <tt>libGL.so</tt> are located. Note that you
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need administrative privileges to do this. If you do not have
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administrator access and your system administrator will not do it for
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you, you can install GLEW into your own lib and include subdirectories
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and tell the compiler where to find it. Then you can just replace
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<tt><GL/gl.h></tt> with <tt><GL/glew.h></tt> in your
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program:
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</p>
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<p class="pre">
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#include <GL/glew.h><br>
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#include <GL/glut.h><br>
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<gl, glu, and glut functionality is available here><br>
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</p>
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<p>
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or:
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</p>
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<p class="pre">
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#include <GL/glew.h><br>
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<gl and glu functionality is available here><br>
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</p>
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<p>
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Remember to link your project with <tt>glew32.lib</tt>,
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<tt>glu32.lib</tt>, and <tt>opengl32.lib</tt> on Windows and
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<tt>libGLEW.so</tt>, <tt>libGLU.so</tt>, and <tt>libGL.so</tt> on
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Unix (<tt>-lGLEW -lGLU -lGL</tt>).
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</p>
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<p>
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It is important to keep in mind that <tt>glew.h</tt> includes neither
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<tt>windows.h</tt> nor <tt>gl.h</tt>. Also, GLEW will warn you by
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issuing a preprocessor error in case you have included <tt>gl.h</tt>,
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<tt>glext.h</tt>, or <tt>glATI.h</tt> before <tt>glew.h</tt>.
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</p>
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</td>
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</tr>
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</table>
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</body>
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