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><head><title>glutSwapBuffers</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="glutStrokeWidth.3GLUT.xml" title="glutStrokeWidth"/><link rel="next" href="glutTabletButtonFunc.3GLUT.xml" title="glutTabletButtonFunc"/></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">glutSwapBuffers</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="glutStrokeWidth.3GLUT.xml">Prev</a></td><th width="60%" align="center">GLUT</th><td width="20%" align="right"><a accesskey="n" href="glutTabletButtonFunc.3GLUT.xml">Next</a></td></tr></table><hr/></div><div class="refentry" lang="en"><a name="glutSwapBuffers.3GLUT"/><div class="titlepage"/><div class="refnamediv"><a name="glutSwapBuffers.3GLUT-name"/><h2>Name</h2><p>glutSwapBuffers — swaps the buffers of the current window if double buffered.</p></div><div class="refsynopsisdiv"><a name="glutSwapBuffers.3GLUT-c_spec"/><h2>C Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code>void<tt>glutSwapBuffers</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code>);</code></td></tr></table></div><div class="refsynopsisdiv"><a name="glutSwapBuffers.3GLUT-python_spec"/><h2>Python Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code><tt>glutSwapBuffers</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code>) →<tt>None</tt></code></td></tr></table></div><div class="refsect1" lang="en"><a name="glutSwapBuffers.3GLUT-description"/><h2>Description</h2><p>
Performs a buffer swap on the layer in use for the current window. Specifically, <tt>glutSwapBuffers</tt>
promotes the contents of the back buffer of the layer in use of the current window to become the contents of the front
buffer. The contents of the back buffer then become undefined. The update typically takes place during the vertical
retrace of the monitor, rather than immediately after <tt>glutSwapBuffers</tt> is called.
</p><p>
An implicit <a href="glFlush.3G.xml"><tt>glFlush</tt></a> is done by <tt>glutSwapBuffers</tt> before it
returns. Subsequent OpenGL commands can be issued immediately after calling <tt>glutSwapBuffers</tt>, but
are not executed until the buffer exchange is completed.
</p><p>
If the layer in use is not double buffered, <tt>glutSwapBuffers</tt> has no effect.
</p></div><div class="refsect1" lang="en"><a name="glutSwapBuffers.3GLUT-see_also"/><h2>See Also</h2><p>
<span class="simplelist"><a href="glutPostRedisplay.3GLUT.xml">glutPostRedisplay</a>, <a href="glutDisplayFunc.3GLUT.xml">glutDisplayFunc</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="glutStrokeWidth.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="glutTabletButtonFunc.3GLUT.xml">Next</a></td></tr><tr><td width="40%" align="left" valign="top">glutStrokeWidth</td><td width="20%" align="center"><a accesskey="h" href="index.xml">Home</a></td><td width="40%" align="right" valign="top">glutTabletButtonFunc</td></tr></table></div></body></html>
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