upstream-man-pages/man3/xhtml/glDeleteProgram.xml

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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>