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eb5d1c2722
Probably the most annoying patch to review from the whole series --
Mark every buffer object use as accessed through some caching domain
with the sequence number of the current synchronization section of the
batch. The additional argument of iris_use_pinned_bo() makes sure I'd
have gotten a compile error if I had missed any buffer added to the
batch validation list.
There are only a few exceptions where a buffer is left untracked while
adding it to the validation list, justified below:
- Batch buffers: These are strictly read-only for the moment.
- BLORP buffer objects: Their seqnos are bumped manually at the end
of iris_blorp_exec() instead, in order to avoid plumbing domain
information through BLORP address combining.
- Scratch buffers: The contents of these are strictly thread-local.
- Shader images and SSBOs: Accesses of these buffers are explicitly
synchronized at the API level.
v2: Opt out of tracking more aggressively (Ken): In addition to the
above, surface states, binding tables, instructions and most
dynamic states are now left untracked, which means a *lot* more BO
uses marked IRIS_DOMAIN_NONE which need to be reviewed extremely
carefully, since the cache tracker won't be able to provide any
coherency guarantees for them.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3875>
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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.html <https://mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.html <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 `Freenode's #dri-devel <irc://chat.freenode.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.html <https://mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.html <https://mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.