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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
419b02c90c
On GFX version 12.5+ with COMPUTE_WALKER, this is the limit based on the size of the HW packet. On older HW, we can technically go a bit bigger but there's not much point. Technically, some hardware can support a scalar workgroup size up to 2048 but most apps don't go any bigger than 1024. As discussed on the merge request page, the current limit assumes SIMD32, but it is unclear if we want to encourage applications to use SIMD32 if it may lead to additional register spilling in shader programs. Many applications have likely tuned for a limit of 1024 based on the OpenGL minimum limit, so it might not gain much by advertising more than 1024. Reworks: * Jordan: Use MIN2 and limit total invocations as well. * Jordan: Add second paragraph to commit message based on merge request discussion. Reviewed-by: Tapani Pälli <tapani.palli@intel.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13538> |
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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.