<th> </th><th> </th></tr></thead><tbody><tr><td><code class="constant">GL_ALPHA_TEST</code></td><td> </td><td>
                        <a class="citerefentry" href="glAlphaFunc"><span class="citerefentry"><span class="refentrytitle">glAlphaFunc</span></span></a>
                        </td></tr><tr><td><code class="constant">GL_BLEND</code></td><td> </td><td>
                        <a class="citerefentry" href="glBlendFunc"><span class="citerefentry"><span class="refentrytitle">glBlendFunc</span></spa