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-<?xml-stylesheet type="text/xsl" href="mathml.xsl"?><html xmlns="http://www.w3.org/1999/xhtml" xmlns:pref="http://www.w3.org/2002/Math/preference" pref:renderer="mathplayer-dl"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>glXQueryVersion</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="glXQueryVersion"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glXQueryVersion — return the version numbers of the GLX extension</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr><td><code class="funcdef">Bool <b class="fsfunc">glXQueryVersion</b>(</code></td><td>Display * </td><td><var class="pdparam">dpy</var>, </td></tr><tr><td> </td><td>int * </td><td><var class="pdparam">major</var>, </td></tr><tr><td> </td><td>int * </td><td><var class="pdparam">minor</var><code>)</code>;</td></tr></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="parameters"></a><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>dpy</code></em></span></dt><dd><p>
- Specifies the connection to the X server.
- </p></dd><dt><span class="term"><em class="parameter"><code>major</code></em></span></dt><dd><p>
- Returns the major version number of the GLX server extension.
- </p></dd><dt><span class="term"><em class="parameter"><code>minor</code></em></span></dt><dd><p>
- Returns the minor version number of the GLX server extension.
- </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p>
- <code class="function">glXQueryVersion</code> returns the major and minor version numbers of the GLX extension
- implemented by the server associated with connection <em class="parameter"><code>dpy</code></em>.
- Implementations with the same major version number are upward compatible,
- meaning that the implementation with the higher minor number is a superset
- of the version with the lower minor number.
- </p><p>
- <em class="parameter"><code>major</code></em> and <em class="parameter"><code>minor</code></em> do not return values if they are specified as
- <code class="constant">NULL</code>.
- </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p>
- <code class="function">glXQueryVersion</code> returns <code class="constant">False</code> if it fails,
- <code class="constant">True</code> otherwise.
- </p><p>
- <em class="parameter"><code>major</code></em> and <em class="parameter"><code>minor</code></em> are not updated when <code class="constant">False</code> is returned.
- </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p>
- <a class="citerefentry" href="glXQueryExtension.xml"><span class="citerefentry"><span class="refentrytitle">glXQueryExtension</span></span></a>
- </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p>
- Copyright <span class="trademark"></span>© 1991-2006
- Silicon Graphics, Inc. This document is licensed under the SGI
- Free Software B License. For details, see
- <a class="ulink" href="http://oss.sgi.com/projects/FreeB/" target="_top">http://oss.sgi.com/projects/FreeB/</a>.
- </p></div></div></body></html>
HCoop / clinton / guile-figl.git / blobdiff