citerefentry" href="glSeparableFilter2D"><span class="citerefentry"><span class="refentrytitle">glSeparableFilter2D</span></span></a> is placed in a display list control the
            interpretation of memory data.
            The pixel storage modes in effect when a display list is executed are
            not significant.
        </p><p>
            Pixel storage modes are client state and must be pushed and restored
            using
            <a class="citerefentry" href="glPushClientAttrib"><span c