ant">GL_PACK_IMAGE_HEIGHT</code></span></dt><dd><p>
                        If greater than 0,
                        <code class="constant">GL_PACK_IMAGE_HEIGHT</code> defines the number of pixels in an image
                        three-dimensional texture volume, where ``image'' is defined by all pixels
                        sharing the same third dimension index.
                        If the first pixel of a row is placed at location
                        <math overflow="scroll"><mi mathvariant=