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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
03a6a82740
The order in which a GPU job is scheduled is guaranteed within the same queue type (CL, TFU, CSD), but the order of completion of jobs from different queues cannot be guaranteed. Since we have multiple semaphores support now, we can track the completion of the last job submitted to each queue and therefore better determine when gpu is idle. We do it using an array of syncobj (last_job_syncs) for each GPU queue (CL, TFU, CSD). With this, job serialization also become more accurate. We also keep tracking the very last job submitted (last_job_sync became an element of the last_job_syncs array as V3DV_QUEUE_ANY) for the case we don't have multisync support. To help in handling wait semaphores, we set a flag per queue to indicate we are starting a new cmd buffer batch and a job submitted to this queue will be the first. Signed-off-by: Melissa Wen <mwen@igalia.com> Reviewed-by: Iago Toral Quiroga <itoral@igalia.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13178> |
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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://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 <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://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.