                 <code class="constant">GLU_LUMINANCE</code>, or
                    <code class="constant">GLU_LUMINANCE_ALPHA</code>.
                </p></dd><dt><span class="term"><em class="parameter"><code>type</code></em></span></dt><dd><p>
                    Specifies the data type for <em class="parameter"><code>data</code></em>.
                    Must be one of
                    <code class="constant">GLU_UNSIGNED_BYTE</code>,
                    <code class="constant">GLU_BYTE</code>,
      