[Bug 41260] New: Z-Fighting on character models during cutscenes in SW:TOR

https://bugs.winehq.org/show_bug.cgi?id=41260

            Bug ID: 41260
           Summary: Z-Fighting on character models during cutscenes in
                    SW:TOR
           Product: Wine
           Version: 1.9.17
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: minor
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs(a)winehq.org
          Reporter: darkwingbuck13(a)gmail.com
      Distribution: ---

Created attachment 55560
  --> https://bugs.winehq.org/attachment.cgi?id=55560
An example of the problem

When entering a cutscene in SWTOR, the animated models for characters will have
black flickering spots appear and disappear in a frame during cutscenes. I
cannot find anything in a debug log that would give a reason for this to
happen. All settings are on Ultra. It is incredibly hard to screenshot and show
the problem, but I've attached what I could get.

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[Bug 41260] Black artifacts on character models during cutscenes in SW:TOR

https://bugs.winehq.org/show_bug.cgi?id=41260

Matteo Bruni <matteo.mystral(a)gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Z-Fighting on character     |Black artifacts on
                   |models during cutscenes in  |character models during
                   |SW:TOR                      |cutscenes in SW:TOR
          Component|-unknown                    |directx-d3d

--- Comment #1 from Matteo Bruni <matteo.mystral(a)gmail.com> ---
I suspect this has rather to do with NaN values in the pixel shader i.e. bug
34266.

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[Bug 41260] Black artifacts on character models during cutscenes in SW:TOR

https://bugs.winehq.org/show_bug.cgi?id=41260

Paul Gofman <gofmanp(a)gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |gofmanp(a)gmail.com

--- Comment #2 from Paul Gofman <gofmanp(a)gmail.com> ---
Was it spotted on Nvidia GPU with propritary driver? If yes, does setting
registry value HKEY_CURRENT_USER/Software/Wine/Direct3D/strict_shader_math to 1
help?. Such issue (see bug #35207) is known to happen in SWTOR at least for
some NPC models.

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