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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
340df53d6a
Today, we stream the compute shader thread IDs simply because they're (annoyingly) relative to dynamic state base address. We could upload them once at compile time, but we'd need a separate non-streaming uploader for IRIS_MEMZONE_DYNAMIC, and I'm not sure it's worth it. stream_state pins the buffer for use in the current batch, but also returns a reference to the pipe_resource. We dropped this reference on the floor, leaking a reference basically every time we dispatched a compute shader after switching to a new one. The reason it returns a reference is so that we can hold on to it and re-pin it in iris_restore_compute_saved_bos, which we were also failing to do. So if we actually filled up a batch with repeated dispatches to the same compute shader, and flushed, then continued dispatching, we would fail to pin it and likely GPU hang. |
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| README.rst | ||
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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 email mailing-lists for patches submission, review and discussions.