67d03033e4
This allows removing control flow with a mix of alu and discard. Foz-DB Navi21 (ignore throughput/latency because of single iteration loops): Totals from 1251 (1.58% of 79377) affected shaders: Instrs: 1459317 -> 1457751 (-0.11%); split: -0.14%, +0.04% CodeSize: 8350856 -> 8352408 (+0.02%); split: -0.03%, +0.05% VGPRs: 53056 -> 53328 (+0.51%) SpillSGPRs: 66 -> 62 (-6.06%) Latency: 19784315 -> 15649290 (-20.90%); split: -21.26%, +0.36% InvThroughput: 4080229 -> 3122717 (-23.47%); split: -23.56%, +0.09% VClause: 29293 -> 29294 (+0.00%); split: -0.01%, +0.01% SClause: 56060 -> 55941 (-0.21%); split: -0.23%, +0.02% Copies: 129794 -> 127880 (-1.47%); split: -1.51%, +0.04% Branches: 52039 -> 51275 (-1.47%); split: -1.47%, +0.01% PreSGPRs: 50221 -> 50024 (-0.39%); split: -0.64%, +0.25% PreVGPRs: 44058 -> 44053 (-0.01%); split: -0.02%, +0.00% VALU: 984915 -> 984993 (+0.01%); split: -0.01%, +0.02% SALU: 177126 -> 177184 (+0.03%); split: -0.62%, +0.65% SMEM: 79565 -> 79525 (-0.05%) Reviewed-by: Daniel Schürmann <daniel@schuermann.dev> Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33590>
`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.