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><head><title>gluGetString</title><link rel="stylesheet" href="style.css" type="text/css"/><meta name="generator" content="DocBook XSL Stylesheets V1.59.1"/><link rel="home" href="index.xml" title="PyOpenGL 2.0.1.07 Man Pages"/><link rel="up" href="reference-GLU.xml" title="GLU"/><link rel="previous" href="gluGetNurbsProperty.3G.xml" title="gluGetNurbsProperty"/><link rel="next" href="gluGetTessProperty.3G.xml" title="gluGetTessProperty"/></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">gluGetString</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="gluGetNurbsProperty.3G.xml">Prev</a></td><th width="60%" align="center">GLU</th><td width="20%" align="right"><a accesskey="n" href="gluGetTessProperty.3G.xml">Next</a></td></tr></table><hr/></div><div class="refentry" lang="en"><a name="gluGetString.3G"/><div class="titlepage"/><div class="refnamediv"><a name="gluGetString.3G-name"/><h2>Name</h2><p>gluGetString — return a string describing the GLU version or GLU extensions</p></div><div class="refsynopsisdiv"><a name="gluGetString.3G-c_spec"/><h2>C Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code>constGLubyte*<tt>gluGetString</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code>GLenum<i><tt>name</tt></i>);</code></td></tr></table></div><div class="refsynopsisdiv"><a name="gluGetString.3G-python_spec"/><h2>Python Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code><tt>gluGetString</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code><i><tt>name</tt></i>) →<i><tt>value</tt></i></code></td></tr></table></div><div class="refsect1" lang="en"><a name="gluGetString.3G-parameters"/><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><i><tt>name</tt></i></span></dt><dd>
Specifies a symbolic constant, one of <tt>GLU_VERSION</tt>, or
<tt>GLU_EXTENSIONS</tt>.
</dd></dl></div></div><div class="refsect1" lang="en"><a name="gluGetString.3G-description"/><h2>Description</h2><p>
<tt>gluGetString</tt> returns a pointer to a static string describing the GLU version or the GLU extensions
that are supported.
</p><p>
The version number is one of the following forms:
</p><p>
<i><tt>major_number.minor_number</tt></i>
</p><p>
<i><tt>major_number.minor_number.release_number</tt></i>.
</p><p>
The version string is of the following form:
</p><p>
<i><tt>version number<space>vendor-specific information</tt></i>
</p><p>
Vendor-specific information is optional. Its format and contents depend on the implementation.
</p><p>
The standard GLU contains a basic set of features and capabilities. If a company or group of companies wish to support
other features, these may be included as extensions to the GLU. If <i><tt>name</tt></i> is
<tt>GLU_EXTENSIONS</tt>, then <tt>gluGetString</tt> returns a space-separated list of names of
supported GLU extensions. (Extension names never contain spaces.)
</p><p>
All strings are <tt>NULL</tt>-terminated.
</p></div><div class="refsect1" lang="en"><a name="gluGetString.3G-notes"/><h2>Notes</h2><p>
<tt>gluGetString</tt> only returns information about GLU extensions. Call <a href="glGetString.3G.xml"><tt>glGetString</tt></a> to get a list of GL extensions.
</p><p>
<tt>gluGetString</tt> is an initialization routine. Calling it after a <a href="glNewList.3G.xml"><tt>glNewList</tt></a> results in undefined behavior.
</p></div><div class="refsect1" lang="en"><a name="gluGetString.3G-errors"/><h2>Errors</h2><p>
<tt>NULL</tt> is returned if <i><tt>name</tt></i> is not <tt>GLU_VERSION</tt> or
<tt>GLU_EXTENSIONS</tt>.
</p></div><div class="refsect1" lang="en"><a name="gluGetString.3G-see_also"/><h2>See Also</h2><p>
<span class="simplelist"><a href="glGetString.3G.xml">glGetString</a></span>
</p></div></div><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="gluGetNurbsProperty.3G.xml">Prev</a></td><td width="20%" align="center"><a accesskey="u" href="reference-GLU.xml">Up</a></td><td width="40%" align="right"><a accesskey="n" href="gluGetTessProperty.3G.xml">Next</a></td></tr><tr><td width="40%" align="left" valign="top">gluGetNurbsProperty</td><td width="20%" align="center"><a accesskey="h" href="index.xml">Home</a></td><td width="40%" align="right" valign="top">gluGetTessProperty</td></tr></table></div></body></html>
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