upstream-man-pages/man2/xhtml/glDeleteProgram.xml

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   3 <?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" /><title>glDeleteProgram</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /></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"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><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
   4                     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
   5         invalidates the name associated with the program object
   6         specified by <em class="parameter"><code>program.</code></em> This command
   7         effectively undoes the effects of a call to
   8         <a class="citerefentry" 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
   9         state, it will be flagged for deletion, but it will not be
  10         deleted until it is no longer part of current state for any
  11         rendering context. If a program object to be deleted has shader
  12         objects attached to it, those shader objects will be
  13         automatically detached but not deleted unless they have already
  14         been flagged for deletion by a previous call to
  15         <a class="citerefentry" href="glDeleteShader.xml"><span class="citerefentry"><span class="refentrytitle">glDeleteShader</span></span></a>.
  16         A value of 0 for <em class="parameter"><code>program</code></em> will be silently
  17         ignored.</p><p>To determine whether a program object has been flagged for
  18         deletion, call
  19         <a class="citerefentry" href="glGetProgram.xml"><span class="citerefentry"><span class="refentrytitle">glGetProgram</span></span></a>
  20         with arguments <em class="parameter"><code>program</code></em> and
  21         <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
  22         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
  23         <em class="parameter"><code>program</code></em> is not a value generated by
  24         OpenGL.</p><p><code class="constant">GL_INVALID_OPERATION</code> is generated if
  25         <code class="function">glDeleteProgram</code> is executed between the
  26         execution of
  27         <a class="citerefentry" href="glBegin.xml"><span class="citerefentry"><span class="refentrytitle">glBegin</span></span></a>
  28         and the corresponding execution of
  29         <a class="citerefentry" href="glEnd.xml"><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.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a>
  30         with argument <code class="constant">GL_CURRENT_PROGRAM</code></p><p><a class="citerefentry" href="glGetProgram.xml"><span class="citerefentry"><span class="refentrytitle">glGetProgram</span></span></a>
  31         with arguments <em class="parameter"><code>program</code></em> and
  32         <code class="constant">GL_DELETE_STATUS</code></p><p><a class="citerefentry" 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 class="citerefentry" href="glCreateShader.xml"><span class="citerefentry"><span class="refentrytitle">glCreateShader</span></span></a>,
  33         <a class="citerefentry" href="glDetachShader.xml"><span class="citerefentry"><span class="refentrytitle">glDetachShader</span></span></a>,
  34         <a class="citerefentry" href="glUseProgram.xml"><span class="citerefentry"><span class="refentrytitle">glUseProgram</span></span></a>
  35         </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p>
  36             Copyright <span class="trademark"></span>© 2003-2005 3Dlabs Inc. Ltd.
  37             This material may be distributed subject to the terms and conditions set forth in
  38             the Open Publication License, v 1.0, 8 June 1999.
  39             <a class="ulink" href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>.
  40         </p></div></div></body></html>