e to the
        corresponding bit in the stencil buffer. Where a 0 appears, the
        corresponding bit is write-protected. Initially, all bits are
        enabled for writing.</p></div><div class="refsect1" title="Associated Gets"><a id="associatedgets"></a><h2>Associated Gets</h2><p>
        <a class="citerefentry" href="glGet"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a>
        with argument <code class="constant">GL_STENCIL_WRITEMASK</code> or
        <code class="c