this post was submitted on 23 Jun 2023
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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A few gaming related downsides for me:
There's no way to disable the compositor, so if you play any windowed games, you'll have some extra input lag. It shouldn't matter if you play fullscreen games though.
Missing Xorg tools like xinput or xrandr. Maybe I'm too finicky, but sometimes I can't find the exact mouse speed I want through the settings GUI (for example, in KDE Plasma there are 11 steps from slowest to fastest), and through xinput commands I can just type any speed I want, which is very useful if one step feels too slow but the next one feels too fast.
I also want to increase the screen's gamma level sometimes and I haven't found any way to do that at all on Wayland.
The reason compositors historically increase input lag so much is due to design flaws in Xorg. With VRR Wayland has comparable input lag to Xorg with no compositor, and it's only slightly worse than Xorg without VRR. In the best case scenario Wayland can have better input lag than uncomposited Xorg: there's a reason the Steam Deck uses Wayland in game mode.
I think as of recently Wayland with compositing might actually have better input lag than Xorg without compositing, but I haven't seen any thorough benchmarks in the past few months.