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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
04956d54ce
Because a LDS load is 2 separate loads on gfx10+ with wave64, a different wave can write LDS in between and cause a non uniform result. Use v_readfirst_lane instead of p_as_uniform because it cannot be copy propagated. Fixes a OpenCL CTS test with zink+rusticl. Totals from 136 (0.17% of 78196) affected shaders: MaxWaves: 3236 -> 3244 (+0.25%) Instrs: 130069 -> 131221 (+0.89%) CodeSize: 698048 -> 703436 (+0.77%) VGPRs: 5464 -> 5440 (-0.44%) SpillSGPRs: 94 -> 96 (+2.13%) Latency: 5361017 -> 5363781 (+0.05%); split: -0.00%, +0.05% InvThroughput: 883010 -> 884100 (+0.12%) SClause: 3822 -> 3821 (-0.03%); split: -0.05%, +0.03% Copies: 14220 -> 14314 (+0.66%); split: -0.01%, +0.68% Branches: 4549 -> 4551 (+0.04%) PreSGPRs: 4934 -> 4940 (+0.12%) PreVGPRs: 4666 -> 4655 (-0.24%) Reviewed-by: Daniel Schürmann <daniel@schuermann.dev> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25973> |
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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.