<div class="refentry"><a id="glIsFramebuffer"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glIsFramebuffer — determine if a name corresponds to a framebuffer object</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table class="funcprototype-table" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">GLboolean <strong class="fsfunc">glIsFramebuffer</strong>(</code></td><td>GLuint <var class="pdparam">framebuffer</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>framebuffer</code></em></span></dt><dd><p>

Specifies a value that may be the name of a framebuffer object.

</p></dd></dl></div></div><div class="refsect1"><a id="description"></a><h2>Description</h2><p>

<code class="function">glIsFramebuffer</code> returns <code class="constant">GL_TRUE</code> if <em class="parameter"><code>framebuffer</code></em> is currently the name of a framebuffer object.

If <em class="parameter"><code>framebuffer</code></em> is zero, or is a non-zero value that is not currently the

name of a framebuffer object, or if an error occurs, <code class="function">glIsFramebuffer</code> returns <code class="constant">GL_FALSE</code>.

</p><p>

A name returned by <a class="citerefentry" href="glGenFramebuffers"><span class="citerefentry"><span class="refentrytitle">glGenFramebuffers</span></span></a>, but not yet associated with a framebuffer object

by calling <a class="citerefentry" href="glBindFramebuffer"><span class="citerefentry"><span class="refentrytitle">glBindFramebuffer</span></span></a>, is not the name of a framebuffer object.

</p></div>

{$pipelinestall}{$examples}

<div class="refsect1"><a id="seealso"></a><h2>See Also</h2><p>

<a class="citerefentry" href="glBindFramebuffer"><span class="citerefentry"><span class="refentrytitle">glBindFramebuffer</span></span></a>,

<a class="citerefentry" href="glDeleteFramebuffers"><span class="citerefentry"><span class="refentrytitle">glDeleteFramebuffers</span></span></a>,

<a class="citerefentry" href="glGenFramebuffers"><span class="citerefentry"><span class="refentrytitle">glGenFramebuffers</span></span></a>

</p></div><div class="refsect1"><div id="Copyright"><h2>Copyright</h2><p>

Copyright © 2008 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="https://opencontent.org/openpub/" target="_top">https://opencontent.org/openpub/</a>.

</p></div></div></div>