https://bugs.kde.org/show_bug.cgi?id=414245
Bug ID: 414245 Summary: Missing configurations in KWin to prevent shutter and lag. Product: kwin Version: 5.16.5 Platform: Fedora RPMs OS: Linux Status: REPORTED Severity: grave Priority: NOR Component: compositing Assignee: kwin-bugs-n...@kde.org Reporter: well_na...@hotmail.com Target Milestone: --- SUMMARY There are two missing options in the KWin compositor to prevent lag and shutter in fullscreen games without to disable de compositor. Options .. 1) Sync to VBlank (Only perform screen updates during vertical blanking period) 2) Unredirect Fullscreen Windows (Allow drawing of fullscreen windows to not be redirected to offscreen pixmaps) EXPECTED RESULT Able to play games with compositor ON and without shutter and more fps. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Fedora 31/Plasma 5.16.5 (available in About System) KDE Plasma Version: 5.16.5 KDE Frameworks Version: 5.61 Qt Version: 5.12.5 ADDITIONAL INFORMATION It appears that when you are using compositor, Nvidia X Server settings' Vblank option does not work. If you are using compositor then select the sync to VBlank can help fix this issue. VBlank is useful for watching videos and playing games "screen tearing" which is horizontal lines occasionally distorting videos. Enabling Sync to VBlank will usually fix the screen tearing issues. -- You are receiving this mail because: You are watching all bug changes.