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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
5814534de5
It's a logical opcode which is lowered to a send-from-GRF later. That lowering code is responsible for ensuring the sources are set up in a proper SEND payload. This was preventing copy propagation of surface handles which started out as scalars, were splatted out to full-SIMD values with NoMask, then actually consumed as only component 0 (scalar again), because we thought that scalar values were not allowed. fossil-db on Alchemist shows improvements in q2rtx but no other titles: Totals: Instrs: 161310436 -> 161310152 (-0.00%) Cycles: 14370605159 -> 14370601066 (-0.00%) Totals from 17 (0.00% of 652298) affected shaders: Instrs: 16097 -> 15813 (-1.76%) Cycles: 185508 -> 181415 (-2.21%) Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28286> |
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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.