[Wayland-bugs] [Bug 99088] In Wayland, Endless Sky game's window drawn in the wrong place when alt-tabbing away and back again

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99088

            Bug ID: 99088
           Summary: In Wayland, Endless Sky game's window drawn in the
                    wrong place when alt-tabbing away and back again
           Product: Wayland
           Version: 1.5.0
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: wayland
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: pointedstick at zoho.com

Fedora 25 + GNOME 3.22 + Wayland

A graphical anomaly is seen with the SDL-based video game Endless Sky on Fedora
25 with Wayland. When the game is being played full-screen, alt-tabbing away
and back again results in the game's window being drawn in the wrong location:
offset down and to the right. Here is a screen recording indicating the
problem:

http://hommelscitadel.com/wp-content/uploads/2016/12/not_quite_right.webm

The issue is 100% reproducible with Wayland every way I try, but not seen if I
log into an X session and try the same thing, so Wayland is clearly the
culprit--or the way SDL or this game is interacting with it.


Note: Endless Sky is not available in any repos, but can be compiled and run
thusly:

$ git clone https://github.com/endless-sky/endless-sky.git
$ sudo dnf install gcc-c++ scons SDL2-devel libpng-devel libjpeg-turbo-devel
mesa-libGL-devel sglew-devel openal-soft-devel libmad-devel
$ cd endless-sky
$ scons
$ ./endless-sky

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