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9f1053a1f3
This allows us to skip over individual constant buffer bindings which haven't been changed since the last flush, or which are set to a user buffer, which means they don't require flushing. Omitting this commit would lead to the following statistically significant Piglit Draw Overhead regressions: 107/DrawArrays (16 VBO| 8 UBO| 8 Tex) w/ 1 UBO change: XXX ±2.31% x22 -> XXX ±2.55% x21 d=-3.49% ±2.38% p=0.00% 79/DrawArrays ( 1 VBO| 8 UBO| 8 Tex) w/ 8 UBOs change: XXX ±1.90% x22 -> XXX ±2.25% x21 d=-3.20% ±2.04% p=0.00% 78/DrawArrays ( 1 VBO| 8 UBO| 8 Tex) w/ 1 UBO change: XXX ±2.64% x22 -> XXX ±2.58% x21 d=-2.74% ±2.58% p=0.12% 45/DrawElements (16 VBO| 8 UBO| 8 Tex) w/ 1 UBO change: XXX ±2.53% x22 -> XXX ±2.29% x21 d=-2.41% ±2.39% p=0.20% 108/DrawArrays (16 VBO| 8 UBO| 8 Tex) w/ 8 UBOs change: XXX ±2.10% x22 -> XXX ±1.41% x21 d=-2.36% ±1.78% p=0.01% 16/DrawElements ( 1 VBO| 8 UBO| 8 Tex) w/ 1 UBO change: XXX ±2.44% x22 -> XXX ±1.19% x21 d=-2.12% ±1.93% p=0.09% 46/DrawElements (16 VBO| 8 UBO| 8 Tex) w/ 8 UBOs change: XXX ±2.93% x22 -> XXX ±2.44% x21 d=-1.99% ±2.68% p=1.93% Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12691> |
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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.