
                            <msub><mi mathvariant="italic">b</mi>
                            <mn>0</mn>
                            </msub>
                        </math>
                        if <code class="constant">GL_UNPACK_SWAP_BYTES</code> is true.
                        <code class="constant">GL_UNPACK_SWAP_BYTES</code> has no effect on the memory order of components
                        within a pixel,
                        only on the order of bytes within components or indices.
       