https://bugs.kde.org/show_bug.cgi?id=527216

            Bug ID: 527216
           Summary: On KDE Plasma Wayland, the desktop cursor flickers
                    over Crimson Desert’s in-game cursor when the mouse
                    moves.
    Classification: Plasma
           Product: kwin
      Version First 6.8.0
       Reported In:
          Platform: Arch Linux
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: wayland-generic
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: ---

DESCRIPTION

The mouse cursor flickers between the Crimson Desert cursor and the desktop
cursor while I move the mouse. When the mouse is still, the game cursor looks
normal. Sometimes the cursor disappears, but mouse input still works as if the
cursor were invisible. . It looks like the two cursors are fighting over which
one gets displayed on top.

Minimizing and restoring the game temporarily fixes the issue, and I can see
the game cursor normally. The flickering returns when leave the menu and
re-enter it. The issue started after updating KDE Plasma today. it worked
yesterday. I tested Enshrouded and did not see the same problem there.

A recording does not capture the issue, the video shows the game cursor
correctly, even though I can see the flickering on my screen.

STEPS TO REPRODUCE

Launch Crimson Desert through Steam using Proton-CachyOS Latest, Proton-GE
Latest, or Proton Experimental (Bleeding Edge).

Move the mouse while the game is running.

Move the mouse over an in-game menu and observe the cursor.

The issue occurs in fullscreen, borderless, and windowed mode, both with and
without PROTON_ENABLE_WAYLAND=1.

OBSERVED RESULT

The desktop cursor flickers over or alongside the game cursor when the mouse
moves. At times the cursor disappears while mouse input continues to work.
Moving into a menu may make the cursor visible again. Minimizing and restoring
the game fixes it briefly, but the flickering returns when I move the cursor
out of the menu.

EXPECTED RESULT

The game cursor should display and respond to mouse movement without the
desktop cursor flickering over it.

SOFTWARE/OS VERSIONS

Operating System: Arch Linux (64-bit)
Kernel Version: 7.2.10-arch1-1
KDE Plasma Version: 6.8.0
KDE Frameworks Version: 6.31.0
Qt Version: 6.12.0
Proton Versions Tested: Proton-CachyOS Latest, Proton-GE Latest, and Proton
Experimental (Bleeding Edge)

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