Code review comment for lp:~kdub/mir/post-if-optimizable

> Looks good codewise. I am confused about:
>
> > So basically, the lp:~kdub/mir/overlay-gl-program branch just handles the
> quirky requirement that android has to draw the fallback with OpenGL
>
> Why does Android have to use the internal fallback and not render with GL
> using the normal renderer, like Mesa is supposed to do in this scenario?

Never mind, I just reread the description of https://code.launchpad.net/~kdub/mir/overlay-gl-program/+merge/217153