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0073eca201
Trying to use Zink with the DRM winsys is problematic at best. In theory all the pieces should be there but there are bugs around synchronization, etc. This copies the current behavior of X11 which also refuses to initialize DRM on Zink. This is particularly important for Nouveau users which are getting Zink via the loader returning "zink" for get_driver_for_fd(). On Wayland today, we go ahead and load zink and attempt to use the DRM EGL paths, which are broken. On X11, it fails to load the driver and then the EGL device initialization code re-tries with zink which succeeds. Because the second try is using Zink from the start, it's equivalent to if the user had set MESA_LOADER_DRIVER_OVERRIDE=zink and they get the kopper path, which is more reliable. This absolutely not what we want because it means we don't load the driver the loader requested and are dependent on fallback paths to get a driver loaded at all. However, the real solution in https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36014 is too complex to backport. Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/13498 Acked-by: Mel Henning <mhenning@darkrefraction.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36119> |
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`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library ====================================================== Source ------ This repository lives at https://gitlab.freedesktop.org/mesa/mesa. Other repositories are likely forks, and code found there is not supported. Build & install --------------- You can find more information in our documentation (`docs/install.rst <https://docs.mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://docs.mesa3d.org/meson.html>`_): .. code-block:: sh $ meson setup build $ ninja -C build/ $ sudo ninja -C build/ install Support ------- Many Mesa devs hang on IRC; if you're not sure which channel is appropriate, you should ask your question on `OFTC's #dri-devel <irc://irc.oftc.net/dri-devel>`_, someone will redirect you if necessary. Remember that not everyone is in the same timezone as you, so it might take a while before someone qualified sees your question. To figure out who you're talking to, or which nick to ping for your question, check out `Who's Who on IRC <https://dri.freedesktop.org/wiki/WhosWho/>`_. The next best option is to ask your question in an email to the mailing lists: `mesa-dev\@lists.freedesktop.org <https://lists.freedesktop.org/mailman/listinfo/mesa-dev>`_ Bug reports ----------- If you think something isn't working properly, please file a bug report (`docs/bugs.rst <https://docs.mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://docs.mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.