[Wayland-bugs] [Bug 755465] cursor flickers like mad when hidden

[gtk+ (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=755465

Olivier Fourdan <ofourdan at redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rob at robster.org.uk,
                   |                            |wayland-bugs at lists.freedesk
                   |                            |top.org
          Component|wayland                     |Backend: Wayland
           Assignee|mutter-maint at gnome.bugs     |gtk-bugs at gtk.org
            Product|mutter                      |gtk+
         QA Contact|mutter-maint at gnome.bugs     |gtk-bugs at gtk.org

--- Comment #2 from Olivier Fourdan <ofourdan at redhat.com> ---
There are two different problems here.

1) The cursor position jumps wildly within the box

I reckon that's bug 751835 which shows on some hardware.

As a test. disable the HW cursor (I have a test patch ready to demonstrate that
if you need it) and the pointer will not show as "jumping" (the actual position
of the cursor does not change, it's where the image appears within the HW
cursor area that makes it look like it moves because the content is not
refreshed when it should).

But that's exacerbated by the second issue:

2) The cursor flickers when hidden

As stated in comment #1 I reckon the bug is in gtk+ instead.

Reverting commit 587afb5 [1], commit 1dc4eea [2] and commit 6457ee5 [3] fixes
the issue with flickering.

[1] https://git.gnome.org/browse/gtk+/commit/?id=587afb5
[2] https://git.gnome.org/browse/gtk+/commit/?id=1dc4eea
[3] https://git.gnome.org/browse/gtk+/commit/?id=6457ee5

So I think we should fix #2 for a start as it's regression, and once #2 is
fixed, #1 will not show as bad as it does now.

=> Moving to gtk+ for fixing #2.

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