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<?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>glIsRenderbuffer - OpenGL 4 Reference Pages</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /></head><body><div class="refentry"><a id="glIsRenderbuffer"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glIsRenderbuffer — determine if a name corresponds to a renderbuffer object</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">GLboolean <strong class="fsfunc">glIsRenderbuffer</strong>(</code></td><td>GLuint <var class="pdparam">renderbuffer</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a id="parameters"></a><h2>Parameters</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>renderbuffer</code></em></span></dt><dd><p>
Specifies a value that may be the name of a renderbuffer object.
</p></dd></dl></div></div><div class="refsect1"><a id="description"></a><h2>Description</h2><p>
<code class="function">glIsRenderbuffer</code> returns <code class="constant">GL_TRUE</code> if <em class="parameter"><code>renderbuffer</code></em> is currently the name of a renderbuffer
object. If <em class="parameter"><code>renderbuffer</code></em> is zero, or if <em class="parameter"><code>renderbuffer</code></em> is not the name of a renderbuffer object, or if an error
occurs, <code class="function">glIsRenderbuffer</code> returns <code class="constant">GL_FALSE</code>. If <em class="parameter"><code>renderbuffer</code></em> is a name returned by
<a class="citerefentry" href="glGenRenderbuffers.xml"><span class="citerefentry"><span class="refentrytitle">glGenRenderbuffers</span></span></a>, by that has not yet been bound through a call to
<a class="citerefentry" href="glBindRenderbuffer.xml"><span class="citerefentry"><span class="refentrytitle">glBindRenderbuffer</span></span></a> or <a class="citerefentry" href="glFramebufferRenderbuffer.xml"><span class="citerefentry"><span class="refentrytitle">glFramebufferRenderbuffer</span></span></a>,
then the name is not a renderbuffer object and <code class="function">glIsRenderbuffer</code> returns <code class="constant">GL_FALSE</code>.
</p></div><div class="refsect1"><a id="seealso"></a><h2>See Also</h2><p>
<a class="citerefentry" href="glGenRenderbuffers.xml"><span class="citerefentry"><span class="refentrytitle">glGenRenderbuffers</span></span></a>,
<a class="citerefentry" href="glBindRenderbuffer.xml"><span class="citerefentry"><span class="refentrytitle">glBindRenderbuffer</span></span></a>,
<a class="citerefentry" href="glFramebufferRenderbuffer.xml"><span class="citerefentry"><span class="refentrytitle">glFramebufferRenderbuffer</span></span></a>,
<a class="citerefentry" href="glDeleteRenderbuffers.xml"><span class="citerefentry"><span class="refentrytitle">glDeleteRenderbuffers</span></span></a>
</p></div><div class="refsect1"><a id="Copyright"></a><h2>Copyright</h2><p>
Copyright <span class="trademark"></span>© 2010-2013 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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