<div class="refentry" lang="en" xml:lang="en"><a id="glDeleteProgram"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glDeleteProgram — Deletes a program object</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table><tr><td><code class="funcdef">void <b class="fsfunc">glDeleteProgram</b>(</code></td><td>GLuint  </td><td><var class="pdparam">program</var><code>)</code>;</td></tr></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="parameters"></a><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>program</code></em></span></dt><dd><p>Specifies the program object to be

deleted.</p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p><code class="function">glDeleteProgram</code> frees the memory and

invalidates the name associated with the program object

specified by <em class="parameter"><code>program.</code></em> This command

effectively undoes the effects of a call to

<a class="citerefentry" href="glCreateProgram"><span class="citerefentry"><span class="refentrytitle">glCreateProgram</span></span></a>.</p><p>If a program object is in use as part of current rendering

state, it will be flagged for deletion, but it will not be

deleted until it is no longer part of current state for any

rendering context. If a program object to be deleted has shader

objects attached to it, those shader objects will be

automatically detached but not deleted unless they have already

been flagged for deletion by a previous call to

<a class="citerefentry" href="glDeleteShader"><span class="citerefentry"><span class="refentrytitle">glDeleteShader</span></span></a>.

A value of 0 for <em class="parameter"><code>program</code></em> will be silently

ignored.</p><p>To determine whether a program object has been flagged for

deletion, call

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

with arguments <em class="parameter"><code>program</code></em> and

<code class="constant">GL_DELETE_STATUS</code>.</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="notes"></a><h2>Notes</h2><p><code class="function">glDeleteProgram</code> is available only if

the GL version is 2.0 or greater.</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p><code class="constant">GL_INVALID_VALUE</code> is generated if

<em class="parameter"><code>program</code></em> is not a value generated by

OpenGL.</p><p><code class="constant">GL_INVALID_OPERATION</code> is generated if

<code class="function">glDeleteProgram</code> is executed between the

execution of

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

and the corresponding execution of

<a class="citerefentry" href="glEnd"><span class="citerefentry"><span class="refentrytitle">glEnd</span></span></a>.</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p><a class="citerefentry" href="glGet"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a>

with argument <code class="constant">GL_CURRENT_PROGRAM</code></p><p><a class="citerefentry" href="glGetProgram"><span class="citerefentry"><span class="refentrytitle">glGetProgram</span></span></a>

with arguments <em class="parameter"><code>program</code></em> and

<code class="constant">GL_DELETE_STATUS</code></p><p><a class="citerefentry" href="glIsProgram"><span class="citerefentry"><span class="refentrytitle">glIsProgram</span></span></a></p></div>

{$pipelinestall}{$examples}

<div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p><a class="citerefentry" href="glCreateShader"><span class="citerefentry"><span class="refentrytitle">glCreateShader</span></span></a>,

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

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

</p></div><div class="refsect1" lang="en" xml:lang="en"><div id="Copyright"><h2>Copyright</h2><p>

Copyright © 2003-2005 3Dlabs Inc. Ltd.

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>