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d5ad798140
A cooperative matrix conversion operation was represented in NIR by the cmat_unary_op intrinsic with an nir_alu_op as extra parameter, that was already lowered to a specific conversion operation based on the matrix types. Instead of that, add a new intrinsic `cmat_convert` that is specific for that conversion. In addition to the src/dst matrix descriptions already available, also include the signedness information in the intrinsic (reuse nir_cmat_signed for that). This is needed because different Convert operations define different interpretations for integers, regardless their original type. In this patch, both radv and intel were changed to use the same logic that was previously used to pick the lowered ALU op. This change will help represent cmat conversions involving BFloat16, because it avoids having to create new NIR ALU ops for all the combinations involving BFloat16. Reviewed-by: Georg Lehmann <dadschoorse@gmail.com> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34511> |
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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.