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1 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd"> |
2 | <!-- saved from url=(0013)about:internet --> | |
3 | <?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>glXGetVisualFromFBConfig</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="glXGetVisualFromFBConfig"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glXGetVisualFromFBConfig — return visual that is associated with the frame buffer configuration</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">XVisualInfo * <b class="fsfunc">glXGetVisualFromFBConfig</b>(</code></td><td>Display * </td><td><var class="pdparam">dpy</var>, </td></tr><tr><td> </td><td>GLXFBConfig </td><td><var class="pdparam">config</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> | |
4 | Specifies the connection to the X server. | |
5 | </p></dd><dt><span class="term"><em class="parameter"><code>config</code></em></span></dt><dd><p> | |
6 | Specifies the GLX frame buffer configuration. | |
7 | </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p> | |
8 | If <em class="parameter"><code>config</code></em> is a valid GLX frame buffer configuration | |
9 | and it has an associated X Visual, then | |
10 | information describing that visual is returned; otherwise <code class="constant">NULL</code> | |
11 | is returned. Use <code class="function">XFree</code> to free the data returned. | |
12 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="notes"></a><h2>Notes</h2><p> | |
13 | <code class="function">glXGetVisualFromFBConfig</code> is available only if the GLX version is 1.3 or greater. | |
14 | </p><p> | |
15 | If the GLX version is 1.1 or 1.0, the GL version must be 1.0. | |
16 | If the GLX version is 1.2, then the GL version must be 1.1. | |
17 | If the GLX version is 1.3, then the GL version must be 1.2. | |
18 | </p><p> | |
19 | <code class="constant">XVisualInfo</code> is defined in <span class="emphasis"><em>Xutil.h.</em></span> | |
20 | It is a structure that includes <span class="emphasis"><em>visual</em></span>, <span class="emphasis"><em>visualID</em></span>, | |
21 | <span class="emphasis"><em>screen</em></span>, and <span class="emphasis"><em>depth</em></span> elements. | |
22 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p> | |
23 | Returns <code class="constant">NULL</code> if <em class="parameter"><code>config</code></em> is not a valid GLXFBConfig. | |
24 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p> | |
25 | <a class="citerefentry" href="glXGetFBConfigAttrib.xml"><span class="citerefentry"><span class="refentrytitle">glXGetFBConfigAttrib</span></span></a>, | |
26 | <a class="citerefentry" href="glXChooseFBConfig.xml"><span class="citerefentry"><span class="refentrytitle">glXChooseFBConfig</span></span></a>, | |
27 | <a class="citerefentry" href="glXChooseVisual.xml"><span class="citerefentry"><span class="refentrytitle">glXChooseVisual</span></span></a>, | |
28 | <a class="citerefentry" href="glXGetConfig.xml"><span class="citerefentry"><span class="refentrytitle">glXGetConfig</span></span></a> | |
29 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p> | |
30 | Copyright <span class="trademark"></span>© 1991-2006 | |
31 | Silicon Graphics, Inc. This document is licensed under the SGI | |
32 | Free Software B License. For details, see | |
33 | <a class="ulink" href="http://oss.sgi.com/projects/FreeB/" target="_top">http://oss.sgi.com/projects/FreeB/</a>. | |
34 | </p></div></div></body></html> |