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This subtraction can underflow. If subgroup_id*wave_size is larger than num_live_vertices_in_workgroup, num_es_threads_var should be zero. fossil-db (gfx1100, nggc): Totals from 41388 (30.75% of 134574) affected shaders: Instrs: 25700772 -> 25783544 (+0.32%) CodeSize: 126950072 -> 127281160 (+0.26%) Latency: 92809233 -> 92849566 (+0.04%); split: -0.00%, +0.04% InvThroughput: 9526675 -> 9542194 (+0.16%) Copies: 2031078 -> 2031074 (-0.00%) Signed-off-by: Rhys Perry <pendingchaos02@gmail.com> Reviewed-by: Qiang Yu <yuq825@gmail.com> Reviewed-by: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Marek Olšák <marek.olsak@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20321>
`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.