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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd">
<?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" /><link rel="stylesheet" type="text/css" href="opengl-man.css" /><title>glPopDebugGroup - OpenGL 4 Reference Pages</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /></head><body><div class="refentry"><a id="glPopDebugGroup"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glPopDebugGroup — pop the active debug group</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">void <strong class="fsfunc">glPopDebugGroup</strong>(</code></td><td>void<code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a id="description"></a><h2>Description</h2><p>
<code class="function">glPopDebugGroup</code> pops the active debug group.
After popping a debug group, the GL will also generate a debug
output message describing its cause based on the <em class="parameter"><code>message</code></em>
string, the source <em class="parameter"><code>source</code></em>, and an ID <em class="parameter"><code>id</code></em>
submitted to the corresponding <a class="citerefentry" href="glPushDebugGroup.xml"><span class="citerefentry"><span class="refentrytitle">glPushDebugGroup</span></span></a>
command. <code class="constant">GL_DEBUG_TYPE_PUSH_GROUP</code> and <code class="constant">GL_DEBUG_TYPE_POP_GROUP</code>
share a single namespace for message <em class="parameter"><code>id</code></em>.
<em class="parameter"><code>severity</code></em> has the value <code class="constant">GL_DEBUG_SEVERITY_NOTIFICATION</code>. The <em class="parameter"><code>type</code></em>
has the value <code class="constant">GL_DEBUG_TYPE_POP_GROUP</code>. Popping a debug group restores
the debug output volume control of the parent debug group.
</p></div><div class="refsect1"><a id="errors"></a><h2>Errors</h2><p>
<code class="constant">GL_STACK_UNDERFLOW</code> is generated if an attempt is made to pop the default debug
group from the stack.
</p></div><div class="refsect1"><a id="associatedgets"></a><h2>Associated Gets</h2><p>
<a class="citerefentry" href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_MAX_DEBUG_MESSAGE_LENGTH</code>.
</p></div><div class="refsect1"><a id="seealso"></a><h2>See Also</h2><p>
<a class="citerefentry" href="glPushDebugGroup.xml"><span class="citerefentry"><span class="refentrytitle">glPushDebugGroup</span></span></a>,
<a class="citerefentry" href="glObjectLabel.xml"><span class="citerefentry"><span class="refentrytitle">glObjectLabel</span></span></a>,
<a class="citerefentry" href="glObjectPtrLabel.xml"><span class="citerefentry"><span class="refentrytitle">glObjectPtrLabel</span></span></a>.
</p></div><div class="refsect1"><a id="Copyright"></a><h2>Copyright</h2><p>
Copyright <span class="trademark"></span>© 2013 Khronos Group.
This material may be distributed subject to the terms and conditions set forth in
the Open Publication License, v 1.0, 8 June 1999.
<a class="ulink" href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>.
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