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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
aee004a7c8
This reworks the data structure a bit and, in my view, simplifies it. Instead of each node having a header which has the node level in it, we use the bottom 6 bits of the pointer for that. This requires us to allocate with the os_malloc/free_aligned helpers (which call into posix_memalign on Linux) but cache-line aligning our allocations is actually probably a good thing given that we're doing atomics on them. The primary advantages to doing this is that it changes the number of memory accesses per tree level from 2 to 1 when walking the tree because we no longer have to look at node->level. Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4228> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4228> |
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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.