*** This bug is a duplicate of bug 1663062 ***
https://bugs.launchpad.net/bugs/1663062
** This bug is no longer a duplicate of bug 1649662
[regression] resizing some apps in Unity8 makes them distorted and freeze
(usually software clients)
** This bug has been marked a duplicate of bug 1663062
[regression] Software clients of nested servers are all black in Mir 0.25.0
and later
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Touch seeded packages, which is subscribed to unity8 in Ubuntu.
https://bugs.launchpad.net/bugs/1662602
Title:
GTK+ windows don't render when larger than 478x478
Status in unity8 package in Ubuntu:
Confirmed
Bug description:
PPA containing a more recent GTK+:
https://launchpad.net/~attente/+archive/ubuntu/gtk-mir
Under U8, GTK+ windows don't render when the width and height are both
>= 479.
If the app starts at a size larger than that, the window will
initially appear entirely black.
Once resized < 479 in either dimension, the window will render
properly.
After that, when resizing larger than 478x478, the window only
upscales the most recent framebuffer contents.
I haven't 100% confirmed that this is not GTK+. However:
- This bug does not occur when tested with miral-shell
- GTK+ is receiving configure events for surface resizes
- GTK+ is re-creating cairo surfaces that match the larger size
- GTK+ is still calling mir_buffer_stream_swap_buffers_sync at larger sizes
- I don't think this specific 478/479 number is coming from GTK+, the
initial/min/max sizes aren't that close to it
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