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1 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd"> |
2 | <!-- saved from url=(0013)about:internet --> | |
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> |