render mode is not <code class="constant">GL_SELECT</code>.
            Calls to <code class="function">glPushName</code> or <a class="citerefentry" href="glPopName"><span class="citerefentry"><span class="refentrytitle">glPopName</span></span></a> while the render mode is not
            <code class="constant">GL_SELECT</code> are ignored.
        </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p>
            <code class="constant">GL_STACK_OVERFLOW</code> is gene