Experiments Are Underway With Vulkan Powering The KDE Plasma Shell

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  • oiaohm
    replied
    Originally posted by aufkrawall View Post
    My experience shows the opposite:
    https://gitlab.com/kwinft/kwinft/-/issues/71
    That stutter on scrolling issue in firefox. I have had that when I have turned on gl.require-hardware in firefox that is independent of windows manager/DE.

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  • aufkrawall
    replied
    Originally posted by bearoso View Post
    Give kwinft a try. I find it works even better.
    My experience shows the opposite:
    Hello, I've noticed jumpy scrolling when scrolling with the mouse wheel (not autoscroll) in Firefox 80 (Webrender enabled). This is with recent kwinft git-master build, recent mesa git-master...

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  • HighValueWarrior
    replied
    Originally posted by mppix View Post
    Yes and it may be the only way to get reasonable Wayland Nvidia support.
    Very interesting. Thanks for giving some hope.
    Like everyone else I am a little frustrated with kwin. I know the guys are working hard to improve but we are still not there yet.
    Would love to see vulkan.

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  • bearoso
    replied
    Originally posted by user1 View Post

    And that's why I use kwin-lowlatency.
    Give kwinft a try. I find it works even better.

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  • Mario Junior
    replied
    Maybe now kwin stop being a shit

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  • remenic
    replied
    Stock kwin has been giving me decent frame times on HD 4600 but every once in while it doesnt manage to stay under 16.6ms so it skips a frame. With all the processes running on my system I'm not too surprised, though. But I never see half rendered (tearing) frames.
    Last edited by remenic; 21 September 2020, 11:59 AM.

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  • shmerl
    replied
    KWin should totally start using Vulkan.

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  • aufkrawall
    replied
    I can only tell you that I have starred for many minutes in a row at vsynctester.com vsync indicator several times over a longer time frame, and never did it show any intermediate stutter with kwin-lowlatency/Picom and xf86-video-amdgpu.

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  • oiaohm
    replied
    Originally posted by aufkrawall View Post
    oiaohm Maybe the issue is not stuff like Xorg and OGL, but the person who uses it (i.e. you)?
    Because it apparently works fine for others...
    Valve found this doing a broad range of testing. Some of the bugs they were locating are like 1 in million chance of end user hitting them.

    Interesting enough a lot of people will say they have functional vsync but when you get to someone like valve doing the inspection of every frame it will be like 1 in 20000 frames with a issue. Valve standard for working right is that it works right 100 percent of the time. 99.999% is not good enough. So I would say you have your vsync with Xorg and OGL to what you call passable not what is in fact right aufkrawall.

    Please note I was not kidding about using vulkan compositor to bash opengl application into behaving there are many game engines where you need to give fake vsync information so they in fact function right because a lot of parties could not get vsync handling right.

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  • mppix
    replied
    Originally posted by Danny3 View Post
    This is wonderful!
    With the latest advancements of Linux Vulkan drivers I dream of the day when I can use KDE Plasma on Raspberry pi with good performance.
    .. on RPI6

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