http://bugs.winehq.org/show_bug.cgi?id=15553
--- Comment #6 from costas dr_costas@yahoo.com 2008-10-14 13:37:24 --- (In reply to comment #5)
Most likely this is because my patch reveals a bug with surfaces where simply locking and unlocking surfaces that are not the full screen corrupts the surface.
I have cced Stefan on this as he had told me he was going to look into this issue.
many thanks for your help with this,
Costas