athvariant="italic">height</mi></math>
                        argument to the <a class="citerefentry" href="glTexImage3D"><span class="citerefentry"><span class="refentrytitle">glTexImage3D</span></span></a> routine otherwise),
                        <math overflow="scroll"><mi mathvariant="italic">a</mi></math>
                        is the value of
                        <code class="constant">GL_PACK_ALIGNMENT</code>, and
                        <math overflow="scroll"><mi mathvariant="italic">s</mi>