http://bugs.winehq.org/show_bug.cgi?id=12781
--- Comment #10 from Roderick Colenbrander thunderbird2k@gmx.net 2008-05-01 16:48:11 --- I have submitted a patch to wine-patches, basically ddraw was asking for a 16-bit depth buffer (in AutoDepthStencilFormat) but WineD3D didn't use it because ddraw wasn't setting EnableAutoDepthStencil to TRUE.