http://bugs.winehq.org/show_bug.cgi?id=5526
------- Additional Comments From imago@devinity.de 2006-13-07 09:00 -------
Peter that's what whole reqwite of ddraw over wined3d was all about.
as Stefan already said, wined3d/OGL won't help you everywhere. So running the game at 8bpp to avoid the costly color conversions could be an alternative(until X learns to dynamically switch depths) and it might be worth to investigate why it doesn't work in 8bpp or is still slow.
(but this bug here obviously was an entirely other issue ;))