This bug was fixed in the package mesa - 24.2.8-1ubuntu1~24.04.1
---------------
mesa (24.2.8-1ubuntu1~24.04.1) noble; urgency=medium
* Backport to noble. (LP: #2083020)
- build with meson-1.5
- lower librust-syn-dev dependency
-- Timo Aaltonen <tjaal...@debian.org> Mon, 16 Dec 2024 12:17:11 +0200
** Changed in: mesa (Ubuntu Noble)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/2075549
Title:
Running gtk applications in compositor supporting only shared memory
buffers does not work with zink
Status in mesa package in Ubuntu:
Fix Released
Status in mesa source package in Noble:
Fix Released
Bug description:
[ Impact ]
An application is not draw if using GL and running in a wayland
compositor that doesn't support dmabuf (e.g. just shared memory).
This is happening with amd graphics, but I've read of reports with
intel.
See: https://gitlab.freedesktop.org/mesa/mesa/-/issues/11613
Fixed by: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30479
[ Test case ]
1. Install weston compositor
2. Install mesa-utils and gtk-4-examples
3. In a terminal run:
weston --renderer=pixman
4. In the weston terminal run:
gtk4-demo
4a. The application should start and show
5. In the weston terminal run:
eglgears_wayland
5a. The application should start and the gears spinning
[ Regression potential ]
swrast driver is used to render when proper hardware acceleration can
be used instead.
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