** Description changed:
Ubuntu 24.04 with Wayland
A bug was reported to SDL regarding a client app sporadically not
getting the correct dimensions when entering fullscreen. The original
report is here: https://github.com/libsdl-org/SDL/issues/
The client application is initially creating a non-resizable window,
then entering fullscreen. In this case, SDL first removes any min/max
limits, commits, then makes the fullscreen request. The issues is that
sometimes the corresponding configuration event contains the correct
fullscreen dimensions, and other times it sends the old, constrained
dimensions.
The full output of WAYLAND_DEBUG=1 is attached, but the relevant bit in
a failure scenario is here:
[1653593.718] -> xdg_toplevel@54.set_min_size(0, 0)
[1653593.720] -> xdg_toplevel@54.set_max_size(0, 0)
[1653593.723] -> xdg_surface@58.set_window_geometry(0, -24, 1280, 744)
[1653593.726] -> wl_surface@51.commit()
[1653593.729] -> xdg_toplevel@54.set_fullscreen(wl_output@6)
[1653593.732] -> wl_disp...@1.sync(new id wl_callback@68)
[1653593.741] -> wl_disp...@1.sync(new id wl_callback@67)
[1653595.811] wl_display@1.delete_id(55)
[1653595.836] wl_display@1.delete_id(68)
[1653595.840] wl_display@1.delete_id(67)
[1653595.843] xdg_toplevel@54.configure_bounds(1920, 1048)
[1653595.846] xdg_toplevel@54.configure(1280, 744, array[8])
[1653595.850] xdg_surface@58.configure(6768)
[1653595.864] -> wp_viewport@52.set_destination(1280, 744)
[1653595.868] -> wl_compositor@4.create_region(new id wl_region@55)
[1653595.871] -> wl_reg...@55.add(0, 0, 1280, 744)
[1653595.875] -> wl_surface@51.set_opaque_region(wl_region@55)
[1653595.878] -> wl_region@55.destroy()
[1653595.883] -> wl_surface@59.attach(nil, 0, 0)
[1653595.886] -> wl_surface@59.commit()
[1653595.889] -> wl_surface@63.attach(nil, 0, 0)
[1653595.892] -> wl_surface@63.commit()
[1653595.895] -> xdg_surface@58.set_window_geometry(0, 0, 1280, 744)
[1653595.898] -> xdg_surface@58.ack_configure(6768)
- The constraints are zeroed and the changes are the committed, but the
- old size is being sent in the fullscreen configuration event. SDL is
+ The constraints are zeroed and the changes are committed, but the old
+ size is being sent in the fullscreen configuration event. SDL is
respecting the reported fullscreen bounds, as it should. If the window
is created as resizable and no constraints are ever set, this does not
occur.
I'm reporting this here as Ubuntu 24.04 is the only report we've had on
this matter, and I've never been able to replicate it on upstream
GNOME/Mutter.
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https://bugs.launchpad.net/bugs/2069766
Title:
Window receives old size in fullscreen configuration event
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