[Bug 1660] Worms 2 demo crashes on startup
wine-bugs at winehq.org
wine-bugs at winehq.org
Thu Sep 10 09:24:54 CDT 2009
http://bugs.winehq.org/show_bug.cgi?id=1660
--- Comment #26 from Markus <mst at collogia.de> 2009-09-10 09:24:41 ---
Upps, the last post was into the wrong direction. Better this time...
1. The application calls an DDRAW:GetSurfaceDesc and wants dwBackBufferCount.
2. If this is 1 it calls an DDRAW:GetAttachedSurface with dwCaps = 4.
3. Afterwards a call to DDRAW:CreatePalette is made.
4. Finally the application works on the surface pointers of step 2.
The exception occurs in my opinion because the app does not check the result of
step 2. So in step 4 it fails and it looks as if the CreatePalette is the
cause. Implementing some debug messages seems to solve the riddle.
...
fixme:ddraw_thunk:IDirectDrawImpl_CreatePalette
function called
fixme:ddraw_thunk:IDirectDrawSurface3Impl_GetSurfaceDesc
surface 1285364 has 1 backbuffers
fixme:ddraw_thunk:IDirectDrawSurface3Impl_GetAttachedSurface
1285364 wants surface with dwCaps 4
fixme:ddraw_thunk:IDirectDrawSurface3Impl_GetAttachedSurface
got surface 1285936
fixme:ddraw_thunk:IDirectDrawImpl_CreatePalette
function called
fixme:ddraw_thunk:IDirectDrawSurface3Impl_GetSurfaceDesc
surface 1285940 has 1 backbuffers
fixme:ddraw_thunk:IDirectDrawSurface3Impl_GetAttachedSurface
1285940 wants surface with dwCaps 4
fixme:ddraw_thunk:IDirectDrawSurface3Impl_GetAttachedSurface
ERROR! CALL FAILED! FASTEN SEATBELTS! *ppAttached=NULL
fixme:ddraw_thunk:IDirectDrawImpl_CreatePalette
function called
wine: Unhandled page fault on read access to 0x00000000 at address 0x401c3a
...
Maybe some expert can dig further into the deeps of GetAttachedSurface.
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