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1 | <?xml version="1.0" encoding="UTF-8"?> |
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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>glIsShader - 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="glIsShader"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glIsShader — Determines if a name corresponds to a shader object</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><p><code class="funcdef">GLboolean <b class="fsfunc">glIsShader</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 a potential shader object.</p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p><code class="function">glIsShader</code> returns | |
5 | <code class="constant">GL_TRUE</code> if <em class="parameter"><code>shader</code></em> is | |
6 | the name of a shader object previously created with | |
7 | <a href="glCreateShader.xml"><span class="citerefentry"><span class="refentrytitle">glCreateShader</span></span></a> | |
8 | and not yet deleted with <a href="glDeleteShader.xml"><span class="citerefentry"><span class="refentrytitle">glDeleteShader</span></span></a>. | |
9 | If <em class="parameter"><code>shader</code></em> is | |
10 | zero or a non-zero value that is not the name of a shader | |
11 | object, or if an error occurs, <code class="function">glIsShader </code> returns | |
12 | <code class="constant">GL_FALSE</code>.</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="notes"></a><h2>Notes</h2><p>No error is generated if <em class="parameter"><code>shader</code></em> is | |
13 | not a valid shader object name.</p><p>A shader object marked for deletion with <a href="glDeleteShader.xml"><span class="citerefentry"><span class="refentrytitle">glDeleteShader</span></span></a> | |
14 | but still attached to a program object is still considered | |
15 | a shader object and <code class="function">glIsShader</code> will return <code class="constant">GL_TRUE</code>.</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> | |
16 | with a valid program object</p><p><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 a parameter to | |
18 | be queried</p><p><a href="glGetShaderInfoLog.xml"><span class="citerefentry"><span class="refentrytitle">glGetShaderInfoLog</span></span></a> | |
19 | with argument <em class="parameter"><code>object</code></em></p><p><a href="glGetShaderSource.xml"><span class="citerefentry"><span class="refentrytitle">glGetShaderSource</span></span></a> | |
20 | with argument <em class="parameter"><code>object</code></em></p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p><a href="glAttachShader.xml"><span class="citerefentry"><span class="refentrytitle">glAttachShader</span></span></a>, | |
21 | <a href="glCompileShader.xml"><span class="citerefentry"><span class="refentrytitle">glCompileShader</span></span></a>, | |
22 | <a href="glCreateShader.xml"><span class="citerefentry"><span class="refentrytitle">glCreateShader</span></span></a>, | |
23 | <a href="glDeleteShader.xml"><span class="citerefentry"><span class="refentrytitle">glDeleteShader</span></span></a>, | |
24 | <a href="glDetachShader.xml"><span class="citerefentry"><span class="refentrytitle">glDetachShader</span></span></a>, | |
25 | <a href="glLinkProgram.xml"><span class="citerefentry"><span class="refentrytitle">glLinkProgram</span></span></a>, | |
26 | <a href="glShaderSource.xml"><span class="citerefentry"><span class="refentrytitle">glShaderSource</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> |