Even though I couldn't reproduce the problem in Coffin Dodgers, a commit that caused similarly wrong colors in other applications has just been reverted: https://cgit.freedesktop.org/mesa/mesa/commit/?id=c0c6ca40a25e47068984155521db8b4aa3e7569c Can you check if that fixes it for you as well? Otherwise, did Coffin Dodgers render correctly for you previously?