        </dt>
            <dd>
              <p>
                        Reads or writes via <a class="citerefentry" href="glBufferSubData"><span class="citerefentry"><span class="refentrytitle">glBufferSubData</span></span></a>,
                        <a class="citerefentry" href="glCopyBufferSubData"><span class="citerefentry"><span class="refentrytitle">glCopyBufferSubData</span></span></a>, or
                        to buffer object memory mapped by <a class="citerefentry" href="glMapBufferRange"><spa