[Bug 55597] New: Second desktop slows running Planet of Lana

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55597

Bug ID: 55597
           Summary: Second desktop slows running Planet of Lana
           Product: Wine
           Version: 8.0.2
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 75129
  --> https://bugs.winehq.org/attachment.cgi?id=75129
Short version of log from running program "Planet of Lana"

A second monitor/desktop, plugged in to my laptop via HDMI, slows down
considerably when running Planet of Lana. The laptop monitor/desktop and the
game itself (windowed) appear to run at a normal speed.

This issue is _not_ observed when running the Steam version of the game (using
Proton 8.0.2).

I am using UbuntuMATE 22.04 (X11/LightDM). I have an on-board and NVIDIA
graphics controller, using the NVIDIA 535.86.05 driver.

lspci | grep VGA
    01:00.0 VGA compatible controller: NVIDIA Corporation TU106M [GeForce RTX
2060 Max-Q] (rev a1)
    05:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Renoir (rev c5)

Logs when running one vs two monitors do not appear materially different, e.g.

# unplug second monitor
    wine Planet\ of\ Lana.exe 1&>2 2>one_monitor.log

# plug second monitor in
    wine Planet\ of\ Lana.exe 1&>2 2>two_monitor.log

# trim log
    sed -r '/semi-stub|stub!/d' one_monitor.log | sed 's/[0-9A-F]{16}/HEX/g'
\
        | sed 's/^[0-9a-fA-F]{4}:/HEX:/g' > one_monitor_trim.log
    sed -r '/semi-stub|stub!/d' two_monitor.log | sed 's/[0-9A-F]{16}/HEX/g'
\
        | sed 's/^[0-9a-fA-F]{4}:/HEX:/g' > two_monitor_trim.log

diff one_monitor_trim.log two_monitor_trim.log
    # no difference

Attached the (trimmed) one-monitor log for reference.