Running Portal 2 on Plasma Wayland, mouse movement becomes stuttered even when the game is in the background.
STEPS TO REPRODUCE
1. Open Portal 2
2. Play a map
3. Switch to another window
Mouse movement is not smooth
Smooth mouse movement
Operating System: openSUSE Tumbleweed 20230103
KDE Plasma Version: 5.26.80
KDE Frameworks Version: 5.102.0
Qt Version: 5.15.7
Kernel Version: 6.1.2-1-default (64-bit)
Graphics Platform: X11
Processors: 8 × AMD Ryzen 7 4700U with Radeon Graphics
Memory: 15.0 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Product Name: HP ZHAN 66 Pro A 14 G3
Performance is being constantly worked upon.
We do have some issues with our render timing when the GPU is strained that we intend on working on.
As a bug report, I'll close it as it's not very specific.
*** This bug has been marked as a duplicate of bug 472663 ***