 class="function">glClear</code>.
        </p><p>
            <code class="function">glClear</code> takes a single argument that is the bitwise OR of several
            values indicating which buffer is to be cleared.
        </p><p>
            The values are as follows:
        </p><div class="variablelist"><dl><dt><span class="term"><code class="constant">GL_COLOR_BUFFER_BIT</code></span></dt><dd><p>
                        Indicates the buffers currently enabled for color
                        writin