man/waffle_is_extension_in_string.3.xml


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<?xml version='1.0'?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">

<!--
  Copyright Intel 2012

  This manual page is licensed under the Creative Commons Attribution-ShareAlike 3.0 United States License (CC BY-SA 3.0
  US). To view a copy of this license, visit http://creativecommons.org.license/by-sa/3.0/us.
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<refentry
    id="waffle_is_extension_in_string"
    xmlns:xi="http://www.w3.org/2001/XInclude">

  <!-- See http://www.docbook.org/tdg/en/html/refentry.html. -->

  <refmeta>
    <refentrytitle>waffle_is_extension_in_string</refentrytitle>
    <manvolnum>3</manvolnum>
  </refmeta>

  <refnamediv>
    <refname>waffle_is_extension_in_string</refname>
    <refpurpose>Check if a name appears in an OpenGL-style extension string</refpurpose>
  </refnamediv>

  <refentryinfo>
    <title>Waffle Manual</title>
    <productname>waffle</productname>
    <xi:include href="common/author-chad.versace.xml"/>
    <xi:include href="common/copyright.xml"/>
    <xi:include href="common/legalnotice.xml"/>
  </refentryinfo>

  <refsynopsisdiv>

    <funcsynopsis language="C">

      <funcsynopsisinfo>
#include &lt;waffle.h&gt;
      </funcsynopsisinfo>

      <funcprototype>
        <funcdef>bool <function>waffle_is_extension_in_string</function></funcdef>
        <paramdef>const char *restrict <parameter>extension_string</parameter></paramdef>
        <paramdef>const char *restrict <parameter>extension_name</parameter></paramdef>
      </funcprototype>

    </funcsynopsis>
  </refsynopsisdiv>

  <refsect1>
    <title>Description</title>

    <variablelist>

      <varlistentry>
        <term><function>waffle_is_extension_in_string()</function></term>
        <listitem>
          <para>
            Check if an extension name appears in an OpenGL-style extension string.
          </para>

          <para>
            The <parameter>extension_string</parameter> must be

            in the format returned by <code>glGetString(GL_EXTENSIONS)</code>.

            Note that this function is not restricted to the GL extension string;

            it can also be used on the GLX and EGL extension strings.
          </para>

          <para>
            This function can be called before waffle has been successfully initialized with

            <citerefentry><refentrytitle><function>waffle_init</function></refentrytitle><manvolnum>3</manvolnum></citerefentry>.
          </para>
        </listitem>
      </varlistentry>

    </variablelist>
  </refsect1>

  <refsect1>
    <title>Errors</title>

    <para>
      This function sets the error code to <constant>WAFFLE_NO_ERROR</constant>.
    </para>
  </refsect1>

  <xi:include href="common/issues.xml"/>

  <refsect1>
    <title>See Also</title>
    <para>
      <citerefentry><refentrytitle>waffle</refentrytitle><manvolnum>7</manvolnum></citerefentry>
    </para>
  </refsect1>

</refentry>

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