[Bug 47365] New: jittering caused by mouse input in vkquake

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=47365

            Bug ID: 47365
           Summary: jittering caused by mouse input in vkquake
           Product: Wine
           Version: 4.10
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs at winehq.org
          Reporter: tempel.julian at gmail.com
      Distribution: ---

Created attachment 64704
  --> https://bugs.winehq.org/attachment.cgi?id=64704
wine log

In vkquake, enable vsync (and set an fps limit well above refresh rate via
"host_maxfps" command if your using a refreshrate of greater than 60Hz, as the
game caps to 72fps by default), start a new game and pan the camera via the
keyboard's arrow keys. It should be absolutely smooth.
Now, pan the camera by moving the mouse instead -> there is jitter.
After alt + Tab to the desktop and back into the game, this jitter usually is
gone. Still, it shouldn't occur in the first place, as it doesn't happen on
Windows.

I made sure this isn't a driver issue by checking with both modesetting and
xf86-video-amdgpu DDX and also on xwayland. In xwayland, the issue is less
distinct, but still noticeable.

Happens with both wine 4.9, wine-staging 4.9 and my custom 4.10 build (4.10 not
yet in Arch repository).

Get vkquake here:
https://github.com/Novum/vkQuake/releases/download/1.01.0/vkquake-1.01.0_win64.zip

You also need the game's free demo content, copy the "id1" folder into the main
folder. Since the official servers usually are a mess, you can get it from here
as well:
https://bugs.freedesktop.org/attachment.cgi?id=143128

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