e></em>
                </span></dt><dd><p>Specifies the width of the border. Must be 0.</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="description"></a><h2>Description</h2><p>
        <code class="function">glCopyTexImage2D</code>
        defines a two-dimensional texture image with pixels from the
        color buffer.</p><p>The screen-aligned pixel rectangle with lower left corner
        at (<em class="parameter"><code>x</code></em>, <em class="parameter"><code>y</code></em>)
