Asahi Lina 94c9115aa0 asahi: Make bo->writer_syncobj atomic
BOs can be written from several contexts, so writing to this member is
racy. We only care about this for the purposes of exporting BOs after a
submission (and if the app is racing writers/submissions at that point
all bets are off), so just keeping track of the last written value is
sufficient.

Switch to atomic operations to eliminate the race, and drop the assert
in the batch cleanup path that no longer holds when the BO might have
been written to from another context.

Fixes: asahi/mesa#20

Signed-off-by: Asahi Lina <lina@asahilina.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22971>
2023-05-11 23:24:48 +00:00
2022-11-22 19:04:13 +00:00
2023-05-11 23:24:48 +00:00
2022-01-19 15:17:17 +00:00
2022-11-21 23:09:30 +00:00
2023-04-10 21:54:05 +00:00
2023-03-26 00:16:26 +00:00
2023-04-13 08:45:17 +00:00

`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://mesa3d.org/install.html>`_), but the recommended way is to use
Meson (`docs/meson.rst <https://mesa3d.org/meson.html>`_):

.. code-block:: sh

  $ mkdir build
  $ cd build
  $ meson ..
  $ sudo ninja 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
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Remember that not everyone is in the same timezone as you, so it might
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<https://dri.freedesktop.org/wiki/WhosWho/>`_.

The next best option is to ask your question in an email to the
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<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://mesa3d.org/bugs.html>`_).


Contributing
------------

Contributions are welcome, and step-by-step instructions can be found in our
documentation (`docs/submittingpatches.rst
<https://mesa3d.org/submittingpatches.html>`_).

Note that Mesa uses gitlab for patches submission, review and discussions.
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