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><head><title>glutReportErrors</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="glutRemoveOverlay.3GLUT.xml" title="glutRemoveOverlay"/><link rel="next" href="glutReshapeFunc.3GLUT.xml" title="glutReshapeFunc"/></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">glutReportErrors</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="glutRemoveOverlay.3GLUT.xml">Prev</a></td><th width="60%" align="center">GLUT</th><td width="20%" align="right"><a accesskey="n" href="glutReshapeFunc.3GLUT.xml">Next</a></td></tr></table><hr/></div><div class="refentry" lang="en"><a name="glutReportErrors.3GLUT"/><div class="titlepage"/><div class="refnamediv"><a name="glutReportErrors.3GLUT-name"/><h2>Name</h2><p>glutReportErrors — for debugging purposes; prints out OpenGL run-time errors.</p></div><div class="refsynopsisdiv"><a name="glutReportErrors.3GLUT-c_spec"/><h2>C Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code>void<tt>glutReportErrors</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code>);</code></td></tr></table></div><div class="refsynopsisdiv"><a name="glutReportErrors.3GLUT-python_spec"/><h2>Python Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code><tt>glutReportErrors</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="glutReportErrors.3GLUT-description"/><h2>Description</h2><p>
This routine prints out any OpenGL run-time errors pending and clears the errors. This routine typically should only be
used for debugging purposes since calling it will slow OpenGL programs. It is provided as a convenience; all the
routine does is call <a href="glGetError.3G.xml"><tt>glGetError</tt></a> until no more errors are reported. Any errors
detected are reported with a GLUT warning and the corresponding text message generated by <a href="gluErrorString.3G.xml"><tt>gluErrorString</tt></a>.
</p><p>
Calling <tt>glutReportErrors</tt> repeatedly in your program can help isolate OpenGL errors to the
offending OpenGL command. Remember that you can use the <i><tt>-gldebug</tt></i>option to detect OpenGL errors
in any GLUT program.
</p></div><div class="refsect1" lang="en"><a name="glutReportErrors.3GLUT-see_also"/><h2>See Also</h2><p>
<span class="simplelist"><a href="glutInit.3GLUT.xml">glutInit</a>, <a href="glutCreateWindow.3GLUT.xml">glutCreateWindow</a>, <a href="glutInitDisplayMode.3GLUT.xml">glutInitDisplayMode</a>, <a href="gluErrorString.3G.xml">gluErrorString</a>, <a href="glGetError.3G.xml">glGetError</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="glutRemoveOverlay.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="glutReshapeFunc.3GLUT.xml">Next</a></td></tr><tr><td width="40%" align="left" valign="top">glutRemoveOverlay</td><td width="20%" align="center"><a accesskey="h" href="index.xml">Home</a></td><td width="40%" align="right" valign="top">glutReshapeFunc</td></tr></table></div></body></html>
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