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<?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" /><title>glXGetCurrentReadDrawable</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /></head><body><div class="refentry"><a id="glXGetCurrentReadDrawable"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glXGetCurrentReadDrawable — return the current drawable</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">GLXDrawable <strong class="fsfunc">glXGetCurrentReadDrawable</strong>(</code></td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a id="description"></a><h2>Description</h2><p>
            <code class="function">glXGetCurrentReadDrawable</code> returns the current read drawable,
            as specified by <code class="constant">read</code> parameter
            of <a class="citerefentry" href="glXMakeContextCurrent.xml"><span class="citerefentry"><span class="refentrytitle">glXMakeContextCurrent</span></span></a>.
            If there is no current drawable,
            <code class="constant">None</code> is returned.
        </p><p>
            <code class="function">glXGetCurrentReadDrawable</code> returns client-side information.
            It does not make a round-trip to the server.
        </p></div><div class="refsect1"><a id="notes"></a><h2>Notes</h2><p>
            <code class="function">glXGetCurrentReadDrawable</code> is only supported if the GLX version is 1.3 or greater.
        </p></div><div class="refsect1"><a id="seealso"></a><h2>See Also</h2><p>
            <a class="citerefentry" href="glXGetCurrentContext.xml"><span class="citerefentry"><span class="refentrytitle">glXGetCurrentContext</span></span></a>,
            <a class="citerefentry" href="glXGetCurrentDisplay.xml"><span class="citerefentry"><span class="refentrytitle">glXGetCurrentDisplay</span></span></a>,
            <a class="citerefentry" href="glXGetCurrentDrawable.xml"><span class="citerefentry"><span class="refentrytitle">glXGetCurrentDrawable</span></span></a>,
            <a class="citerefentry" href="glXMakeContextCurrent.xml"><span class="citerefentry"><span class="refentrytitle">glXMakeContextCurrent</span></span></a>
        </p></div><div class="refsect1"><a id="Copyright"></a><h2>Copyright</h2><p>
            Copyright <span class="trademark"></span>© 1991-2006
            Silicon Graphics, Inc. This document is licensed under the SGI
            Free Software B License. For details, see
            <a class="ulink" href="http://oss.sgi.com/projects/FreeB/" target="_top">http://oss.sgi.com/projects/FreeB/</a>.
        </p></div></div></body></html>