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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
d22d6d814d
SBID SET can only be used on SEND, SENDC, or DPAS instructions. The existing code was handling SET for SEND/SENDC, but was using the wrong encoding for DPAS. Add a new case to handle that and make it clear that the existing code is only for SEND/SENDC. While here, rewrite the encoder to use 2-bit binary immediates shifted up into the mode [9:8] field, rather than pre-shifted hex values. This matches the documentation better and is a little easier to follow. On the decode side, we were incorrectly decoding MATH instructions. Because they're marked is_unordered, we were hitting the SEND/SENDC decoding, which is incorrect for MATH. Fixes 22 cooperative matrix tests on Lunar Lake. Huge thanks to Paulo Zanoni for bisecting failures to one of my commits, then analyzing shaders and experimenting to discover that the failure was really an unrelated bug, just being provoked by different choices of registers. His work narrowing the problem down made it much easier to discover and fix this bug. Backport-to: 24.2 Reviewed-by: Caio Oliveira <caio.oliveira@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30705> |
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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.