[Bug 35062] FarCry3 : graphical glitches

wine-bugs at winehq.org wine-bugs at winehq.org
Sat Mar 15 16:31:12 CDT 2014


http://bugs.winehq.org/show_bug.cgi?id=35062

--- Comment #10 from Stefan Dösinger <stefan at codeweavers.com> ---
(In reply to Berillions from comment #9)
> I tried this :
> 1- I launch the game with the Intel card WITH "VideoPciVendorID" and
> "VideoPciDeviceID" from Nvidia and i have this bug.
> 2- I launch the game with the Nvidia card WITH "VideoPciVendorID" and
> "VideoPciDeviceID" from Intel and there isn't this issue.
> 
> So, this test confirm that it's an upstream bug from Nvidia/Nouveau ?
No, this shows that the game behaves differently if it finds an Nvidia card and
does something that Wine and/or the driver does not support. I suspect it tries
to use nvapi.dll's advanced StretchRect call.

If you have a Windows installation on the same machine you can confirm this
theory by renaming C:\Windows\system32\nvapi.dll and
C:\windows\syswow64\nvapi.dll to some other name and start the game. If my
theory is correct you should see the same bug as you do on Wine. (That assumes
you're using the Nvidia card on Windows.)

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