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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
7bd096ca51
Add a method for determining which MESA_MAP_ACCESS_* flag would be appropriate for a given OwnedDescriptor, based on both access flags and write seals (since access mode can be RDWR despite the seals!) This is useful for virtgpu implementations when mapping incoming buffers from host software into the guest's address space. Previously Rutabaga relied on basic heuristics like "SHM is always R/O", but with upcoming extra protocols to be forwarded over virtgpu channels (like PipeWire) those assumptions no longer hold true. Signed-off-by: Val Packett <val@packett.cool> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40132> |
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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.