** Changed in: mesa-compat (Ubuntu Noble)
Status: New => In Progress
** Description changed:
[Impact]
The graphics HWE stack from questing needs to be backported for 24.04.4
builds available on
- https://launchpad.net/~canonical-x/+archive/ubuntu/x-staging/+packages
+ https://launchpad.net/~tjaalton/+archive/ubuntu/test2
meson-1.7
rust-bindgen-0.71
- bumped build-deps of mesa
- forked as a new versioned source package
libdrm
- bumped build-dep of mesa
wayland-protocols
- bumped build-dep of mesa
- this is a full backport, but with tests disabled so that we don't need
to backport a newer wayland as well (due to the need for wayland-scanner)
mesa-compat
- a new source package based on 25.1.7 plus a revert bringing osmesa back from
25.0.7
- builds libxatracker and libosmesa which got removed from mesa 25.2
mesa
- new major release, last of the series (25.2.x) so it has accumulated all
the fixes upstream considered worthy for it
- new HW support, bugfixes
- - new/updated rust libraries in debian/rust-vendor to let nouveau/nvk to
- build
- - dropped wl_drm which was meant to be an internal api, but some projects
- adopted it and now need to change
+ - new/updated rust libraries in debian/rust-vendor to let nouveau/nvk to
+ build
+ - dropped wl_drm which was meant to be an internal api, but some projects
+ adopted it and now need to change
intel-vaapi-driver(-shaders)
- if wl_drm is unavailable, don't fail
- otherwise running 'vainfo' segfaults
libva
- needs https://github.com/intel/libva/pull/790 to add linux-dmabuf support
- otherwise running 'vainfo' segfaults
xwayland
- needs a commit to make wl_drm optional, and use linux-dmabuf instead
[Test case]
* meson-1.7 / rust-bindgen-0.71
- the only test needed is to see that they builds, and allow mesa to build
* mesa
we want to cover at least 2-3 different, widely used and already previously
supported GPU generations from both AMD and Intel which are supported by this
release, as those are the ones that cover most bases; nouveau users tend to
switch to the NVIDIA driver after installation. No need to test ancient GPU's
supported by mesa-amber. And best to focus on the newer generations (~5y and
newer) as the older ones are less likely to break at this point.
- AMD: Vega, Navi1x (RX5000*), Navi2x (RX6000*), Navi3x (RX7000*)
- Intel: gen9 (SKL/APL/KBL/CFL/WHL/CML), gen11 (ICL), gen12
(TGL/ADL/RKL/RPL/DG2)
Install the new packages and run some tests:
- check that the desktop is still using hw acceleration and hasn't fallen
back to swrast/llvmpipe
- run freely available benchmarks that torture the GPU (Unigine
Heaven/Valley/Superposition)
- run some games from Steam if possible
and in each case check that there is no gfx corruption happening or
worse.
Also test WebGL on a browser like Firefox/Chromium
- open https://webglsamples.org and run some demos
Note that upstream releases have already been tested for OpenGL and
Vulkan conformance by their CI.
* mesa-compat
- no specific test needed, there is no upstream diff between the current
25.0.7 based version and 25.1.x when it comes to libosmesa/libxatracker
* intel-vaapi-driver/intel-vaapi-driver-shaders/libva
- test on an old i965 (gen4) to see that vainfo works again
- libva can use a newer gpu like Intel gen9 and up or any recent-ish Radeon,
to
test vainfo
* xwayland
- test by running 'glxinfo -B' after installing it with the mesa update, it
should list the native driver instead of llvmpipe.
[Where things could go wrong]
This is a major update of Mesa, there could be regressions but we'll try to
catch any with testing. And since it shares bugs with plucky, we'd already know
if there are serious issues.
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https://bugs.launchpad.net/bugs/2126037
Title:
Backport packages for 24.04.4 HWE stack
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