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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
+ "http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
+<refentry xml:base="" id="eglGetProcAddress">
+ <refentryinfo>
+ <copyright>
+ <year>2003-2014</year>
+ <holder>The Khronos Group Inc.</holder>
+ </copyright>
+ </refentryinfo>
+ <refmeta>
+ <refentrytitle>eglGetProcAddress</refentrytitle>
+ <manvolnum>3G</manvolnum>
+ </refmeta>
+ <refnamediv>
+ <refname>eglGetProcAddress</refname>
+ <refpurpose>
+ return a <acronym>GL</acronym> or an <acronym>EGL</acronym>
+ extension function
+ </refpurpose>
+ </refnamediv>
+ <refsynopsisdiv>
+ <title>C Specification</title>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>void (* <function>eglGetProcAddress</function>)()</funcdef>
+ <paramdef>char const * <parameter>procname</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ </refsynopsisdiv>
+ <refsect1 id="parameters"><title>Parameters</title>
+ <variablelist>
+ <varlistentry>
+ <term><parameter>procname</parameter></term>
+ <listitem>
+ <para>
+ Specifies the name of the function to return.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+ <refsect1 id="description"><title>Description</title>
+ <para>
+ <function>eglGetProcAddress</function> returns the address of
+ the extension function named by <parameter>procname</parameter>.
+ <parameter>procname</parameter>
+ must be a null-terminated string. The pointer returned
+ should be cast to a function pointer type matching the extension
+ function's definition in that extension specification. A return value
+ of <constant>NULL</constant> indicates that the specific
+ function does not exist for the <acronym>EGL</acronym> implementation.
+ </para>
+ <para>
+ A non-<constant>NULL</constant> return value does not guarantee
+ that an extension function is actually supported at runtime. The client
+ must also query
+ <citerefentry><refentrytitle>glGetString</refentrytitle></citerefentry>(<constant>GL_EXTENSIONS</constant>) or
+ <citerefentry><refentrytitle>eglQueryString</refentrytitle></citerefentry>(<parameter>display</parameter>,
+ <constant>EGL_EXTENSIONS</constant>) to determine if an
+ extension is supported by a particular context or display.
+ </para>
+ <para>
+ Function pointers returned by
+ <function>eglGetProcAddress</function> are independent of the
+ display and the currently bound context and may be used by any context
+ which supports the extension.
+ </para>
+ <para>
+ <function>eglGetProcAddress</function> may be queried for all
+ <acronym>GL</acronym> and <acronym>EGL</acronym> extension functions.
+ </para>
+ </refsect1>
+ <refsect1 id="seealso"><title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>glGetString</refentrytitle></citerefentry>,
+ <citerefentry><refentrytitle>eglQueryString</refentrytitle></citerefentry> </para>
+ </refsect1>
+ <refsect3 id="Copyright"><title></title>
+ <!-- Content included from copyright.inc.xsl -->
+ <imageobject>
+ <imagedata fileref="KhronosLogo.jpg" format="jpg" />
+ </imageobject>
+ <para />
+ </refsect3>
+</refentry>