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<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
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<refentry id="glXWaitGL">
    <refmeta>
        <refmetainfo>
            <copyright>
                <year>1991-2006</year>
                <holder>Silicon Graphics, Inc.</holder>
            </copyright>
        </refmetainfo>
        <refentrytitle>glXWaitGL</refentrytitle>
        <manvolnum>3G</manvolnum>
    </refmeta>
    <refnamediv>
        <refname>glXWaitGL</refname>
        <refpurpose>complete GL execution prior to subsequent X calls</refpurpose>
    </refnamediv>
    <refsynopsisdiv><title>C Specification</title>
        <funcsynopsis>
            <funcprototype>
                <funcdef>void <function>glXWaitGL</function></funcdef>
                <paramdef><parameter>void</parameter></paramdef>
            </funcprototype>
        </funcsynopsis>
    </refsynopsisdiv>
    <!-- eqn: ignoring delim $$ -->
    <refsect1 id="description"><title>Description</title>
        <para>
            GL rendering calls made prior to <function>glXWaitGL</function> are guaranteed to be
            executed before X rendering calls made after <function>glXWaitGL</function>.
            Although this same result can be achieved using <citerefentry><refentrytitle>glFinish</refentrytitle></citerefentry>,
            <function>glXWaitGL</function> does not require a round trip to the server,
            and it is therefore more efficient in cases where client and server
            are on separate machines.
        </para>
        <para>
            <function>glXWaitGL</function> is ignored if there is no current GLX context.
        </para>
    </refsect1>
    <refsect1 id="notes"><title>Notes</title>
        <para>
            <function>glXWaitGL</function> may or may not flush the X stream.
        </para>
    </refsect1>
    <refsect1 id="errors"><title>Errors</title>
        <para>
            <constant>GLXBadCurrentWindow</constant> is generated if the drawable associated
            with the current context of the calling thread is a window, and that
            window is no longer valid.
        </para>
    </refsect1>
    <refsect1 id="seealso"><title>See Also</title>
        <para>
            <citerefentry><refentrytitle>glFinish</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glFlush</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glXWaitX</refentrytitle></citerefentry>,
            <function>XSync</function>
        </para>
    </refsect1>
    <refsect1 id="Copyright"><title>Copyright</title>
        <para>
            Copyright <trademark class="copyright"></trademark> 1991-2006
            Silicon Graphics, Inc. This document is licensed under the SGI
            Free Software B License. For details, see
            <ulink url="http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/</ulink>.
        </para>
    </refsect1>
</refentry>