https://bugs.kde.org/show_bug.cgi?id=455521
--- Comment #22 from breakingsp...@gmail.com --- Hey all! I've tested using neon-testing-20220816-1836.iso and found some things. The changes to the Windowheap duration are there and match up precisely with the rest of Kwin on my desktop and laptop at default config. To note, my desktop has AMDGPU and laptop has a basic Intel chip, but neither GPU or their driver made a difference in Kwin... until I started playing with Vsync: Bypassing Vsync with env variables seems to cause at least one effect (the older Slide Back) to animate at the unlocked rate. It's only *slightly* faster and much less noticeable on the embedded Intel (~50-60fps), while it's close to instant and horrible on the AMD desktop (Kwin FPS meter reports 144 but seems like 300+fps on that effect). The new Windowheap effects (and 9 out of 10 other effects I tried like Minimize/Open/Close) are not affected by this, and respect the duration regardless of sync/refresh rate. I narrowed down this Vsync variable for testing, and can replicate the behavior to a T by logging in again after setting and enabling Slide Back. Reloading plasmashell + kwin_x11 in the same session doesn't apply it, only a full logoff/logon: echo "export KWIN_X11_NO_SYNC_TO_VBLANK=1" > $HOME/.config/plasma-workspace/env/vsync.sh Not sure yet which all effects are affected, or if other vsync parameters could cause others to be thrown off, but it's evident some portion of Kwin may be tied to Vsync/refresh rate and indirectly touching durations/timings. I'm interested in digging deeper and finding out what's going on in detail. How does this factor in with y'alls setups and animations? Vsync on or off in your day-to-day, and does it make a difference if you toggle? I've always set Vsync on using xorg.conf (TearFree in AMDGPU driver and ForceFullCompositionPipeline in Nvidia for years previous), but i'm sure hundreds if not thousands of users have a vsync preference that this might affect. -- You are receiving this mail because: You are watching all bug changes.
