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At draw time, if the number of BOs is bigger than 2048, the current
job submission is forced.
The 2048 limit has been validated to be big enough to not be reached
in most of the scenarios. Only a couple of CTS tests get over this
threshold.
So the new V3D_JOB_MAX_BO_HANDLE_COUNT is defines as 2048 and
V3D_JOB_MAX_BO_REFERENCED_SIZE is defined as 768MB.
This forced submission is useful to handle scenarios where the client
application is not calling glFlush() or where SwapBuffers() is a NOP
because of not having a window surface. In this case, the CLE can
grow indefinitely until the system runs out of memory resources.
This approach is followed by different drivers forcing the flush
of CL when it reaches a defined size because of HW limitations.
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/12227
Cc: mesa-stable
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Maíra Canal <mcanal@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35042>
(cherry picked from commit
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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.