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><head><title>glutUseLayer</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-GLUT.xml" title="GLUT"/><link rel="previous" href="glutTimerFunc.3GLUT.xml" title="glutTimerFunc"/><link rel="next" href="glutVideoResizeGet.3GLUT.xml" title="glutVideoResizeGet"/></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">glutUseLayer</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="glutTimerFunc.3GLUT.xml">Prev</a></td><th width="60%" align="center">GLUT</th><td width="20%" align="right"><a accesskey="n" href="glutVideoResizeGet.3GLUT.xml">Next</a></td></tr></table><hr/></div><div class="refentry" lang="en"><a name="glutUseLayer.3GLUT"/><div class="titlepage"/><div class="refnamediv"><a name="glutUseLayer.3GLUT-name"/><h2>Name</h2><p>glutUseLayer — changes the layer in use for the current window.</p></div><div class="refsynopsisdiv"><a name="glutUseLayer.3GLUT-c_spec"/><h2>C Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code>void<tt>glutUseLayer</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code>GLenum<i><tt>layer</tt></i>);</code></td></tr></table></div><div class="refsynopsisdiv"><a name="glutUseLayer.3GLUT-python_spec"/><h2>Python Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code><tt>glutUseLayer</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code><i><tt>layer</tt></i>) →<tt>None</tt></code></td></tr></table></div><div class="refsect1" lang="en"><a name="glutUseLayer.3GLUT-parameters"/><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><i><tt>layer</tt></i></span></dt><dd>
Either <tt>GLUT_NORMAL</tt> or <tt>GLUT_OVERLAY</tt>, selecting the normal plane or
overlay respectively.
</dd></dl></div></div><div class="refsect1" lang="en"><a name="glutUseLayer.3GLUT-description"/><h2>Description</h2><p>
<tt>glutUseLayer</tt> changes the per-window layer in use for the current window, selecting either the
normal plane or overlay. The overlay should only be specified if an overlay exists, however windows without an overlay
may still call <tt>glutUseLayer(GLUT_NORMAL)</tt>. OpenGL commands for the window are
directed to the current layer in use.
</p><p>
To query the layer in use for a window, call <tt>glutLayerGet(GLUT_LAYER_IN_USE)</tt>.
</p></div><div class="refsect1" lang="en"><a name="glutUseLayer.3GLUT-see_also"/><h2>See Also</h2><p>
<span class="simplelist"><a href="glutEstablishOverlay.3GLUT.xml">glutEstablishOverlay</a>, <a href="glutSetWindow.3GLUT.xml">glutSetWindow</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="glutTimerFunc.3GLUT.xml">Prev</a></td><td width="20%" align="center"><a accesskey="u" href="reference-GLUT.xml">Up</a></td><td width="40%" align="right"><a accesskey="n" href="glutVideoResizeGet.3GLUT.xml">Next</a></td></tr><tr><td width="40%" align="left" valign="top">glutTimerFunc</td><td width="20%" align="center"><a accesskey="h" href="index.xml">Home</a></td><td width="40%" align="right" valign="top">glutVideoResizeGet</td></tr></table></div></body></html>
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