upstream-man-pages/man2/xhtml/glDeleteShader.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>glDeleteShader</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /></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"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr><td><code class="funcdef">void <b class="fsfunc">glDeleteShader</b>(</code></td><td>GLuint  </td><td><var class="pdparam">shader</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>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
   4         invalidates the name associated with the shader object specified
   5         by <em class="parameter"><code>shader</code></em>. This command effectively
   6         undoes the effects of a call to
   7         <a class="citerefentry" 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
   8         object, it will be flagged for deletion, but it will not be
   9         deleted until it is no longer attached to any program object,
  10         for any rendering context (i.e., it must be detached from
  11         wherever it was attached before it will be deleted). A value of
  12         0 for <em class="parameter"><code>shader</code></em> will be silently
  13         ignored.</p><p>To determine whether an object has been flagged for
  14         deletion, call
  15         <a class="citerefentry" href="glGetShader.xml"><span class="citerefentry"><span class="refentrytitle">glGetShader</span></span></a>
  16         with arguments <em class="parameter"><code>shader</code></em> and
  17         <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">glDeleteShader</code> is available only if
  18         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
  19         <em class="parameter"><code>shader</code></em> is not a value generated by
  20         OpenGL.</p><p><code class="constant">GL_INVALID_OPERATION</code> is generated if
  21         <code class="function">glDeleteShader</code> is executed between the
  22         execution of
  23         <a class="citerefentry" href="glBegin.xml"><span class="citerefentry"><span class="refentrytitle">glBegin</span></span></a>
  24         and the corresponding execution of
  25         <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="glGetAttachedShaders.xml"><span class="citerefentry"><span class="refentrytitle">glGetAttachedShaders</span></span></a>
  26         with the program object to be queried</p><p><a class="citerefentry" href="glGetShader.xml"><span class="citerefentry"><span class="refentrytitle">glGetShader</span></span></a>
  27         with arguments <em class="parameter"><code>shader</code></em> and
  28         <code class="constant">GL_DELETE_STATUS</code></p><p><a class="citerefentry" 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 class="citerefentry" href="glCreateProgram.xml"><span class="citerefentry"><span class="refentrytitle">glCreateProgram</span></span></a>,
  29         <a class="citerefentry" href="glCreateShader.xml"><span class="citerefentry"><span class="refentrytitle">glCreateShader</span></span></a>,
  30         <a class="citerefentry" href="glDetachShader.xml"><span class="citerefentry"><span class="refentrytitle">glDetachShader</span></span></a>,
  31         <a class="citerefentry" 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>
  32             Copyright <span class="trademark"></span>© 2003-2005 3Dlabs Inc. Ltd.
  33             This material may be distributed subject to the terms and conditions set forth in
  34             the Open Publication License, v 1.0, 8 June 1999.
  35             <a class="ulink" href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>.
  36         </p></div></div></body></html>