upstream-man-pages/man4/xhtml/glDeleteShader.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>glDeleteShader - OpenGL 4 Reference Pages</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="glDeleteShader"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glDeleteShader — Deletes a shader object</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><p><code class="funcdef">void <b class="fsfunc">glDeleteShader</b>(</code>GLuint <var class="pdparam">shader</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>shader</code></em></span></dt><dd><p>Specifies the shader 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">glDeleteShader</code> frees the memory and
   5     invalidates the name associated with the shader object specified
   6     by <em class="parameter"><code>shader</code></em>. This command effectively
   7     undoes the effects of a call to
   8     <a href="glCreateShader.xml"><span class="citerefentry"><span class="refentrytitle">glCreateShader</span></span></a>.</p><p>If a shader object to be deleted is attached to a program
   9     object, it will be flagged for deletion, but it will not be
  10     deleted until it is no longer attached to any program object,
  11     for any rendering context (i.e., it must be detached from
  12     wherever it was attached before it will be deleted). A value of
  13     0 for <em class="parameter"><code>shader</code></em> will be silently
  14     ignored.</p><p>To determine whether an object has been flagged for
  15     deletion, call
  16     <a href="glGetShader.xml"><span class="citerefentry"><span class="refentrytitle">glGetShader</span></span></a>
  17     with arguments <em class="parameter"><code>shader</code></em> and
  18     <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
  19     <em class="parameter"><code>shader</code></em> is not a value generated by
  20     OpenGL.</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p><a href="glGetAttachedShaders.xml"><span class="citerefentry"><span class="refentrytitle">glGetAttachedShaders</span></span></a>
  21     with the program object to be queried</p><p><a href="glGetShader.xml"><span class="citerefentry"><span class="refentrytitle">glGetShader</span></span></a>
  22     with arguments <em class="parameter"><code>shader</code></em> and
  23     <code class="constant">GL_DELETE_STATUS</code></p><p><a href="glIsShader.xml"><span class="citerefentry"><span class="refentrytitle">glIsShader</span></span></a></p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p><a href="glCreateProgram.xml"><span class="citerefentry"><span class="refentrytitle">glCreateProgram</span></span></a>,
  24     <a href="glCreateShader.xml"><span class="citerefentry"><span class="refentrytitle">glCreateShader</span></span></a>,
  25     <a href="glDetachShader.xml"><span class="citerefentry"><span class="refentrytitle">glDetachShader</span></span></a>,
  26     <a href="glUseProgram.xml"><span class="citerefentry"><span class="refentrytitle">glUseProgram</span></span></a></p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p>
  27             Copyright <span class="trademark"></span>© 2003-2005 3Dlabs Inc. Ltd.
  28             This material may be distributed subject to the terms and conditions set forth in
  29             the Open Publication License, v 1.0, 8 June 1999.
  30             <a href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>.
  31         </p></div></div></body></html>