[Bug 49948] New: starfighter-2.3.3 black screen after alt-tabbing to window on second screen.

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=49948

Bug ID: 49948
           Summary: starfighter-2.3.3 black screen after alt-tabbing to
                    window on second screen.
           Product: Wine
           Version: 5.18
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 68338
  --> https://bugs.winehq.org/attachment.cgi?id=68338
The console messages

Summary:
starfighter-2.3.3 black screen after alt-tabbing to window on second screen.

Download location
https://github.com/pr-starfighter/starfighter/releases/tag/v2.3.3
https://github.com/pr-starfighter/starfighter/releases/download/v2.3.3/starf...
 sha256sum starfighter-2.3.3-win32.zip 
67debd28241d6ea3c87ba0fc0db90d04dda5f74fc30c85925a50d9889f1533d6 
starfighter-2.3.3-win32.zip

Steps to reproduce

1) unzip the game
$ unzip starfighter-2.3.3-win32.zip
$ cd starfighter-2.3.3-win32

2) Run the game:
$ wine starfighter.exe
3) Goto options - and set full screen on
4) Press alt-tab to a window on your second screen. Now the game window gets
minimized.    
5) Alt-tab back into the game. Now the screen is black. (but the music still
plays.)
6) Press alt-tab. to a window on your second screen. Now the game window gets
minimized.
7) Right click on the game window in the task bar, and choose "close window"

Environment:
I run LXDE with 2 monitors with this video card:
$ lspci 
 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Lexa
PRO [Radeon 540/540X/550/550X / RX 540X/550/550X] (rev c7)
$ lsmod
amdgpu               5861376  4
kvm_amd               114688  0
gpu_sched              40960  1 amdgpu
i2c_algo_bit           16384  1 amdgpu

Versions:
$ wine --version
wine-5.18 (Staging)
$ pacman -Q wine
wine-staging 5.18-1
 uname -a
Linux cedric-p4 5.8.13-arch1-1 #1 SMP PREEMPT Thu, 01 Oct 2020 20:40:35 +0000
x86_64 GNU/Linux