State of Wayland, 2012-04-08

Simon Hong simon.hong81 at gmail.com
Mon Apr 9 19:52:04 PDT 2012


I saw that Wayland port is removed in the chromium project, two days ago.
I don't know the reason and next plan about wayland.

Refer to below issue.
https://chromiumcodereview.appspot.com/10009024

2012/4/10 Kristian Høgsberg <krh at bitplanet.net>

> That's a very nice overview of the project, though I'd point out that
> there's a bit more work to do on GTK+ support: client side decorations
> (as you mention), selections, dnd and popup placement are the big
> ones. It would also be nice to included a summary of what's mssing in
> the protocol and the state of mutter-on-wayland.
>
> thanks,
> Kristian
>
> On Sun, Apr 8, 2012 at 2:08 PM,  <darxus at chaosreigns.com> wrote:
> > This is far from official.  If you have better information, please
> provide
> > it.  HTML version: http://www.chaosreigns.com/wayland/state/
> >
> >
> > Drivers
> >
> >   The reference compositor works with Intel, Radeon, and Nvidia
> >   (Nouveau) open source drivers. [1]Nouveau + OpenGL clients hangs.
> >
> > XWayland
> >
> >   XWayland, the ability to run X clients within Wayland, is
> >   [2]currently broken, in the middle of transitioning to using a
> >   special X window manager. [3]Tiago did some work on it, which has
> >   not been committed. Other than that, DDX support for Intel video
> >   exists, [4]a software implementation exists but may need updating,
> >   and someone has done some work on Radeon but not released source.
> >   Nvidia / Nouveau support hasn't been touched.
> >
> > Toolkits
> >
> >   Wayland usability is mostly down to applications migrating to GTK3
> >   and QT5.
> >
> >   GTK+ 3.4.1 and QT5 appear to have complete Wayland support except
> >   for client side decorations. EFL and Clutter appear to have
> >   complete support.
> >
> >   So any application should work with Wayland as long as it uses one
> >   of these four toolkits, and it doesn't call any Xlib functions.
> >   Unfortunately a number of GTK+ applications do call Xlib, through
> >   gdk_x11_* functions, and they need to be wrapped in [5]build-time
> >   and run-time backend checks.
> >
> >   And while [6]GTK3 was released over a year ago, [7]QT5 only had
> >   its first alpha release last week. While many GTK+ applications
> >   haven't made the conversion yet, presumably Qt applications, for
> >   the most part, haven't started.
> >
> >   GTK+ 3.4.0 has a [8]bug causing it to break when the X11 and
> >   Wayland backends are both built. The workaround has been applied
> >   in master and will be included in the [9]3.4.1 release on April
> >   18th.
> >
> >   The GTK graphics glitch was a [10]cairo-gl bug, easy enough to
> >   avoid.
> >
> >   Rob Bradford has a [11]branch of [12]gtk that doesn't require
> >   cairo-gl, which will be merged with master once 3.4 is branched
> >   off. I've tested it. This should allow Ubuntu to [13]enable the
> >   Wayland backend in GTK in the October 2012 (12.10) release.
> >
> > Browsers
> >
> >   The only web browser I've tested that works is qtwebkit, which is
> >   included with the QT5 source. [14]Weston occasionally crashes when
> >   running it. It seems likely that the [15]snowshoe browser works,
> >   via QT5.
> >
> >   The [16]webkitgtk browser doesn't work. As expected, the
> >   [17]midori browser based on webkitgtk doesn't work.
> >
> >   [18]Firefox has a long way to go.
> >
> >   [19]Chrome / chromium might work, but I haven't seen how.
> >
> > Terminals
> >
> >   weston-terminal is actually pretty decent.
> >
> >   vte, based on gtk, works fine.
> >
> >   [20]gnome-terminal seems likely to work, I just haven't tried
> >   quite the right incantation yet.
> >
> >   Surprisingly, there don't seem to be any terminal applications
> >   written in Qt or EFL. I haven't tried [21]clutterm, which uses
> >   Clutter, mostly because it says "This is a work in progress and
> >   it's far from ready for every day use."
> >
> > Other Applications
> >
> >   Of the 22 [22]gtk applications I tried from the default Ubuntu
> >   Precise menu (html5 video), 9 worked, and 13 didn't due to using
> >   Xlib calls. 41% worked as packaged by Ubuntu (after I rebuilt GTK
> >   with --enable-wayland-backend).
> >
> > Open Bugs
> >
> >     * [23]GTK+: Wayland and x11 backends simultaneously enabled is
> >       broken.
> >     * [24]Ubuntu: Enable wayland backend in GTK+
> >     * [25]Totem: Add wayland support (remove Xlib calls).
> >     * [26]WebKitGTK+: Enable wayland support (remove Xlib calls).
> >
> >   The Nvidia proprietary + cairo-gl mess:
> >     * [27]Cairo: Dynamically load libGL in cairo-gl
> >     * [28]GTK+: Remove cairo-gl dependency from wayland backend,
> >       fall back to software as weston does.
> >     * [29]Debian packaging: Add support for versioned provides. This
> >       is 15 years old.
> >
> >
> > References
> >
> >   1. https://bugs.freedesktop.org/show_bug.cgi?id=48074
> >   2. https://bugs.freedesktop.org/show_bug.cgi?id=46743
> >   3.
> http://lists.freedesktop.org/archives/wayland-devel/2012-April/002861.html
> >   4.
> http://lists.freedesktop.org/archives/wayland-devel/2011-June/001163.html
> >   5. http://developer.gnome.org/gtk3/3.3/ch24s02.html#id1502079
> >   6.
> https://mail.gnome.org/archives/gtk-devel-list/2011-February/msg00020.html
> >   7. http://labs.qt.nokia.com/2012/04/03/qt-5-alpha/
> >   8. http://developer.gnome.org/gtk3/3.3/ch24s02.html#id1502079
> >   9. https://live.gnome.org/ThreePointThree
> >  10. https://bugs.freedesktop.org/show_bug.cgi?id=48221
> >  11. https://github.com/rbradford/gtk/tree/wip/wayland-render-changes
> >  12.
> http://lists.freedesktop.org/archives/wayland-devel/2012-April/002876.html
> >  13. https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/954352/
> >  14. https://bugs.freedesktop.org/show_bug.cgi?id=47728
> >  15. http://snowshoe.qtlabs.org.br/
> >  16. https://bugs.webkit.org/show_bug.cgi?id=81456
> >  17. https://bugs.launchpad.net/midori/+bug/975355
> >  18. https://bugzilla.mozilla.org/show_bug.cgi?id=635134
> >  19. http://www.phoronix.com/scan.php?page=news_item&px=OTc4NA
> >  20. https://bugzilla.gnome.org/show_bug.cgi?id=673323
> >  21. https://github.com/paradoxxxzero/clutterm
> >  22.
> http://www.chaosreigns.com/wayland/demos/2012-04-07-wayland-several-gtk-apps.html
> >  23. https://bugzilla.gnome.org/show_bug.cgi?id=672358
> >  24. https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/954352
> >  25. https://bugzilla.gnome.org/show_bug.cgi?id=672735
> >  26. https://bugs.webkit.org/show_bug.cgi?id=81456
> >  27. https://bugs.freedesktop.org/show_bug.cgi?id=47480
> >  28. https://bugzilla.gnome.org/show_bug.cgi?id=672361
> >  29.
> http://www.chaosreigns.com/wayland/state/bugs.debian.org/cgi-bin/bugreport.cgi?bug=7330
> >  30. http://www.chaosreigns.com/wayland/state/2012-03-24.html
> >  31. http://www.chaosreigns.com/wayland/
> >
> > --
> > "It is better to die on your feet than to live on your knees."
> >  - Emiliano Zapata, Mexican Revolution Leader
> > http://www.ChaosReigns.com
> > _______________________________________________
> > wayland-devel mailing list
> > wayland-devel at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/wayland-devel
> _______________________________________________
> wayland-devel mailing list
> wayland-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/wayland-devel
>



-- 
======================================
Simon Hong
"Secret of success is consistency to purpose"
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