nabled</code>
        returns <code class="constant">GL_TRUE</code> if cap is an enabled
        capability and returns <code class="constant">GL_FALSE</code> otherwise.
        </p><p>
        The following capabilities are accepted for <em class="parameter"><code>cap</code></em>:
        </p><div class="informaltable"><table><colgroup><col /><col /><col /></colgroup><thead><tr><th><code class="constant">Constant</code></th><th> </th><th><code class="constant">See function:</code></th></tr><tr><th> </th>