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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>glXQueryServerString</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="glXQueryServerString"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glXQueryServerString — return string describing the server</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">const char * <b class="fsfunc">glXQueryServerString</b>(</code></td><td>Display *  </td><td><var class="pdparam">dpy</var>, </td></tr><tr><td> </td><td>int  </td><td><var class="pdparam">screen</var>, </td></tr><tr><td> </td><td>int  </td><td><var class="pdparam">name</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>screen</code></em></span></dt><dd><p>
                    Specifies the screen number.
                </p></dd><dt><span class="term"><em class="parameter"><code>name</code></em></span></dt><dd><p>
                    Specifies which string is returned:
                    one of <code class="constant">GLX_VENDOR</code>, <code class="constant">GLX_VERSION</code>, or <code class="constant">GLX_EXTENSIONS</code>.
                </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p>
            <code class="function">glXQueryServerString</code> 
            returns a pointer to a static, null-terminated string 
            describing some aspect of the server's GLX extension. The possible values for
            <em class="parameter"><code>name</code></em> and the format of the strings is the same as for
            <a class="citerefentry" href="glXGetClientString.xml"><span class="citerefentry"><span class="refentrytitle">glXGetClientString</span></span></a>. If <em class="parameter"><code>name</code></em> is not set to a recognized value,
            <code class="constant">NULL</code> is returned. 
        </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="notes"></a><h2>Notes</h2><p>
            <code class="function">glXQueryServerString</code> is available only if the GLX version is 1.1 or greater.
        </p><p>
            If the GLX version is 1.1 or 1.0, the GL version must be 1.0.
            If the GLX version is 1.2, the GL version must be 1.1.
            If the GLX version is 1.3, the GL version must be 1.2.
        </p><p>
            <code class="function">glXQueryServerString</code> only returns information about GLX extensions supported by the server.
            Call <a class="citerefentry" href="glGetString.xml"><span class="citerefentry"><span class="refentrytitle">glGetString</span></span></a> to get a list of GL extensions.
            Call <a class="citerefentry" href="glXGetClientString.xml"><span class="citerefentry"><span class="refentrytitle">glXGetClientString</span></span></a> to get a list of GLX extensions supported by the
            client.
        </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p>
            <a class="citerefentry" href="glXQueryVersion.xml"><span class="citerefentry"><span class="refentrytitle">glXQueryVersion</span></span></a>,
            <a class="citerefentry" href="glXGetClientString.xml"><span class="citerefentry"><span class="refentrytitle">glXGetClientString</span></span></a>,
            <a class="citerefentry" href="glXQueryExtensionsString.xml"><span class="citerefentry"><span class="refentrytitle">glXQueryExtensionsString</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>
