http://bugs.winehq.org/show_bug.cgi?id=34542
--- Comment #3 from João Guilherme joaogojunior@hotmail.com 2013-09-23 04:30:52 CDT --- Did the bissection, Here is the result:
6f321ff2f97a4eb1e613022342399c3ffc41bc89 is the first bad commit commit 6f321ff2f97a4eb1e613022342399c3ffc41bc89 Author: Henri Verbeet hverbeet@codeweavers.com Date: Thu Sep 5 09:54:39 2013 +0200
ddraw: Don't imply WINED3DUSAGE_RENDERTARGET on primary surfaces.
If the application actually wants to do 3D rendering on the primary surface, it should set DDSCAPS_3DDEVICE as well.
:040000 040000 7489dc38430c1447071ecac4bbe3d21cfdb3b7f8 4fe57e7d8e75952d72c0916dca3107b22de5f8ee M dlls
If this patch is reverted, kega fusion runs smooth on windowed mode... (fullscreen works fine with or without this patch).