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1 | <?xml version="1.0" encoding="UTF-8"?> |
2 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd"> | |
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4 | <?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>glDeleteProgram</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1" /></head><body><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"><p><code class="funcdef">void <b class="fsfunc">glDeleteProgram</b>(</code>GLuint <var class="pdparam">program</var><code>)</code>;</p></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 | |
5 | 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 | |
6 | invalidates the name associated with the program object | |
7 | specified by <em class="parameter"><code>program.</code></em> This command | |
8 | effectively undoes the effects of a call to | |
9 | <a href="glCreateProgram.xml"><span class="citerefentry"><span class="refentrytitle">glCreateProgram</span></span></a>.</p><p>If a program object is in use as part of current rendering | |
10 | state, it will be flagged for deletion, but it will not be | |
11 | deleted until it is no longer part of current state for any | |
12 | rendering context. If a program object to be deleted has shader | |
13 | objects attached to it, those shader objects will be | |
14 | automatically detached but not deleted unless they have already | |
15 | been flagged for deletion by a previous call to | |
16 | <a href="glDeleteShader.xml"><span class="citerefentry"><span class="refentrytitle">glDeleteShader</span></span></a>. | |
17 | A value of 0 for <em class="parameter"><code>program</code></em> will be silently | |
18 | ignored.</p><p>To determine whether a program object has been flagged for | |
19 | deletion, call | |
20 | <a href="glGetProgram.xml"><span class="citerefentry"><span class="refentrytitle">glGetProgram</span></span></a> | |
21 | with arguments <em class="parameter"><code>program</code></em> and | |
22 | <code class="constant">GL_DELETE_STATUS</code>.</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 | |
23 | <em class="parameter"><code>program</code></em> is not a value generated by | |
24 | OpenGL.</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p><a href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> | |
25 | with argument <code class="constant">GL_CURRENT_PROGRAM</code></p><p><a href="glGetProgram.xml"><span class="citerefentry"><span class="refentrytitle">glGetProgram</span></span></a> | |
26 | with arguments <em class="parameter"><code>program</code></em> and | |
27 | <code class="constant">GL_DELETE_STATUS</code></p><p><a href="glIsProgram.xml"><span class="citerefentry"><span class="refentrytitle">glIsProgram</span></span></a></p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p><a href="glCreateShader.xml"><span class="citerefentry"><span class="refentrytitle">glCreateShader</span></span></a>, | |
28 | <a href="glDetachShader.xml"><span class="citerefentry"><span class="refentrytitle">glDetachShader</span></span></a>, | |
29 | <a href="glUseProgram.xml"><span class="citerefentry"><span class="refentrytitle">glUseProgram</span></span></a> | |
30 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p> | |
31 | Copyright <span class="trademark"></span>© 2003-2005 3Dlabs Inc. Ltd. | |
32 | This material may be distributed subject to the terms and conditions set forth in | |
33 | the Open Publication License, v 1.0, 8 June 1999. | |
34 | <a href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>. | |
35 | </p></div></div></body></html> |