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"Native" is relative for UBOs. On the one hand, we don't loop in the shader for non-uniform UBO access ever. On the other hand, uniformity does affect UBOs on Turing since we can only use bindless UBOs if the handle (and therefore the loaded descriptor) are uniform. But if it's non-uniform, we fall back to ld.constant which is pretty fast. On Volta and earlier where we don't have bindless UBOs, we use ld.uniform or ld.ci which are just as fast uniform as non. On all hardware, non-constant UBO indexing prevents cbuf promotion so that's always slower no matter what. The moral of the story is that "native" non-uniform for UBOs is a nonsense anyway and we should just set NonUniformIndexingNative so we don't scare apps into doing something silly. The proprietary driver claims native non-uniform UBOs as well. Reviewed-by: Mel Henning <mhenning@darkrefraction.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35268>
`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.