_UNPACK_SKIP_ROWS</code></span></dt><dd><p>
                        These values are provided as a convenience to the programmer;
                        they provide no functionality that cannot be duplicated by
                        incrementing the pointer passed to
                        <a class="citerefentry" href="glDrawPixels"><span class="citerefentry"><span class="refentrytitle">glDrawPixels</span></span></a>,
                        <a class="citerefentry" href="glTexImage1D"><span class="cite