I agree with the comments of several others, ideally we need to get a low latency Kwin based on Wayland and Vulkan.
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KWin-LowLatency: An Effort To Yield Less Stutter & Lower Latency With The KDE Desktop
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I use Compiz with my KDE and I'm wondering how this will effect the experience potentially. Compiz already gives options to specify fps, vsync, and use direct/indirect rendering. Anybody know? Some Compiz effects can cause latency but I'm fairly sure those are plugin responsibility.
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Compositing not being driven by vsync has always been a huge ugly wart of Linux desktops. On Windows and macOS this has been the case for a long time now and the desktop never skips a beat there. Video plays back perfectly and so do games. On Linux, video playback is really problematic on high refresh rate displays. Watching 50FPS Formula 1 races for example on a 100Hz display can only be described as an embarrassment on Linux. I have to disable compositing. On Windows and macOS it's perfect.
What I find disturbing is the attitude of some of the developers who work on the Linux compositors. They don't even recognize this as a major problem.
I hope this fork won't die and that support for this will make it into Wayland.
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Originally posted by boeroboy View PostI use Compiz with my KDE and I'm wondering how this will effect the experience potentially. Compiz already gives options to specify fps, vsync, and use direct/indirect rendering. Anybody know? Some Compiz effects can cause latency but I'm fairly sure those are plugin responsibility.
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Originally posted by debianxfce View Post... It is sad to see this kind of stupidity in the Linux community as a pro software developer.
Speaking of KWin: I do use it all the time for years and it feels much slower than Gnome (but Gnome is developed by people with mental issues, so I can't use it) - take this "anecdotal evidence".
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Originally posted by RealNC View PostOn Linux, video playback is really problematic on high refresh rate displays. Watching 50FPS Formula 1 races for example on a 100Hz display can only be described as an embarrassment on Linux. I have to disable compositing. On Windows and macOS it's perfect.
Strange, here works fine. What is exactly the problem? What is your setup? I use a AMD card with radeonsi driver, VLC video player and KDE to watch F1 races on my PC (using a PixelView USB adapter), but here is a 60Hz broadcast and I use a 120Hz Benq monitor.
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Originally posted by royce View PostA big problem is that developers have the hardware they have, and often this is bog-standard 60hz 1080p single screen setups.
Also, people with high dpi monitors to this day still suffer from the bogus 21/24 inch, 1080p standard that even Linux Torvalds was complaining about a couple years ago.
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What exactly is resulting in the stuttering? My crappy i3 Haswell laptop with integrated graphics works very smoothly with kwin+Wayland, even with the compositing effects and high CPU load. Although I don't think a Vulkan compositor needs to be a high priority, I do think it's a better idea than whatever else they intend to do to improve latency.
Originally posted by czz0 View PostWayland will always be useless for gaming so long as they keep forcing Vsync, with no way to disable it.
The fact that Wayland and Gnome developers thought it would be okay to force Vsync and even hard cap the refresh rate to 60Hz (only recently fixed in Gnome), makes me have almost zero trust in them for gaming performance.
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