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Ubuntu moving away from X11, to Wayland
Ars Technica article
Mark Shuttleworth’s blog Ubuntu has plans to adopt Wayland, an MIT‐licensed, non‐X windowing system. Wayland natively supports compositing and OpenGL, and pushes many things (such as hardware initialization and drm modesetting) out to the kernel. This will not be right away, but in the (far) future. Quote:
Of course, it has provisions for X backwards‐compatibility. The official website has some more information on Wayland’s architecture. I’m happy to see this. Although I don’t know much about Wayland, it seems to have some nice features, and having some competition will no doubt spur some more improvements to X—as we saw with, say, LLVM and Google Chrome after their release. That said, I’m glad I’m not an Ubuntu user… they seem to have some trouble with keeping sweeping features stable (hello PulseAudio).
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I've always been fond of X, at least from a design perspective.. the ability to have a portable and network-aware windowing environment.
Over the years I've seen some pretty exotic hardware with X available, a common complaint these days is that it's bloated or adds too much protocol overhead, but really that's hard to back up considering how exponentially faster modern computers are compared to the systems X was designed to run on. I agree that some parts of the X graphics stack probably should be managed securely in the kernel, like modesetting.. and memory managers like GEM, but the more stuff in the kernel the less that's part of the platform independent driver and means that some systems are going to be left out unless someone steps up to do the work. Most of this very "experimental" stuff goes on in the Linux kernel, and very little can be copied as-is into other OS's due to licensing/technical issues.. often this means developers needs to adapt the idea to their respected kernels. Personally, I don't see X going anywhere.. but this might simply be because I really don't want it to, we grew up together. |
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I think that maybe the biggest problem with X (Or more specifically: The monopoly implementation Xorg) is that it's just unstable code of questionable quality ...
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I like X, in the sense of what it allows without getting into OS stuff. X is basically, X. Wayland does sound intensely interesting though...
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Quote:
I'm all for more security, but a non-working video display is a bit of a nonstarter. (And I'm hoping OpenBSD doesn't follow along.) |
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Fedora is also looking at a switch to Wayland, though obviously not right away. Some informative posts from the mailing list thread by Adam Jackson:
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>All my X apps have to be ported! Yes, if they want to be native
wayland clients, they do. If they don't, you can run a nested X server like on OSX. This nested X server on OS X is a major failure, it's slow like hell and not so compatible. Yes, I surely need this crappy experience on a scientific workstation.
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KDE Plasma 5.4.0 was released on August 25, 2015.
Gnome 3.18.0 was released on September 23, 2015. Both of these desktop environments have some sort of support for Wayland on Gnu/Linux. Gnome started earlier than KDE to enable support for Wayland, but my feeling is that KDE enablement is happening at faster pace. Nevertheless at this point Gnome/Wayland session is nearly feature complete and KDE is not. Canonical's Mir is working and shipping on smartphones, but is still not complete in desktop edition. Last edited by e1-531g; 24th September 2015 at 02:35 PM. |
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According to:
https://wiki.gnome.org/Projects/GTK+/Roadmap GTK+ version 3.20 officially has Full Wayland support. Although Gnome/Wayland session still is deemed as experimental. *** Nvidia released beta version of new proprietary driver. They have added enough EGL extensions and DRM KMS compatibility that it should be possible to run Wayland compositors over their proprietary driver, although they need to be slightly changed to not be Mesa specific. I am not a fan of kernel proprietary drivers in FOSS systems and want to stay away from them, but I know it is big step because it motivates DE developers. |
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