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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
e7480f94c1
The majority of cases that would have been affected by this actually had both sources as integer constants. The earlier commit "intel/rt: Don't directly generate umul_32x16" allowed those to be constant folded. v2: Move the a*-1 block to be near the existing a*-1 block. No shader-db changes on any Intel platform. fossil-db results: All Intel platforms had similar results. (Ice Lake shown) Totals: Instrs: 165510246 -> 165510222 (-0.00%) Cycles: 15125198238 -> 15125195835 (-0.00%); split: -0.00%, +0.00% Totals from 46 (0.01% of 656118) affected shaders: Instrs: 36010 -> 35986 (-0.07%) Cycles: 2613658 -> 2611255 (-0.09%); split: -0.17%, +0.07% Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27552> |
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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.