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1 | <?xml version="1.0" encoding="UTF-8"?> |
2 | <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN" | |
3 | "http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd"> | |
4 | <refentry id="glXGetProcAddress"> | |
5 | <refmeta> | |
6 | <refmetainfo> | |
7 | <copyright> | |
8 | <year>1991-2006</year> | |
9 | <holder>Silicon Graphics, Inc.</holder> | |
10 | </copyright> | |
11 | </refmetainfo> | |
12 | <refentrytitle>glXGetProcAddress</refentrytitle> | |
13 | <manvolnum>3G</manvolnum> | |
14 | </refmeta> | |
15 | <refnamediv> | |
16 | <refname>glXGetProcAddress</refname> | |
17 | <refpurpose>obtain a pointer to an OpenGL or GLX function</refpurpose> | |
18 | </refnamediv> | |
19 | <refsynopsisdiv><title>C Specification</title> | |
20 | <funcsynopsis> | |
21 | <funcprototype> | |
22 | <funcdef>void(*)() <function>glXGetProcAddress</function></funcdef> | |
23 | <paramdef>const GLubyte * <parameter>procName</parameter></paramdef> | |
24 | </funcprototype> | |
25 | </funcsynopsis> | |
26 | </refsynopsisdiv> | |
27 | <!-- eqn: ignoring delim $$ --> | |
28 | <refsect1 id="parameters"><title>Parameters</title> | |
29 | <variablelist> | |
30 | <varlistentry> | |
31 | <term><parameter>procName</parameter></term> | |
32 | <listitem> | |
33 | <para> | |
34 | Specifies the name of the OpenGL or GLX function whose address is to be returned. | |
35 | </para> | |
36 | </listitem> | |
37 | </varlistentry> | |
38 | </variablelist> | |
39 | </refsect1> | |
40 | <refsect1 id="description"><title>Description</title> | |
41 | <para> | |
42 | <function>glXGetProcAddress</function> returns the address of the function specified in <parameter>procName</parameter>. This is | |
43 | necessary in environments where the OpenGL link library exports a different | |
44 | set of functions than the runtime library. | |
45 | </para> | |
46 | </refsect1> | |
47 | <refsect1 id="notes"><title>Notes</title> | |
48 | <para> | |
49 | A <constant>NULL</constant> pointer is returned if function requested is not suported | |
50 | in the implementation being queried. | |
51 | </para> | |
52 | <para> | |
53 | GLU functions are not queryable due to the fact that the library may not be | |
54 | loaded at the time of the query. | |
55 | </para> | |
56 | </refsect1> | |
57 | <refsect1 id="Copyright"><title>Copyright</title> | |
58 | <para> | |
59 | Copyright <trademark class="copyright"></trademark> 1991-2006 | |
60 | Silicon Graphics, Inc. This document is licensed under the SGI | |
61 | Free Software B License. For details, see | |
62 | <ulink url="http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/</ulink>. | |
63 | </para> | |
64 | </refsect1> | |
65 | </refentry> |