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1d50ef9ca6
Instead of avoiding out-of-bounds access, avoid creating a load larger than the original attribute. This should work just as well, since the only situations expending a load helped was because we shrunk it first. Also fixes a bug where a 3 component load (4 components with the first component skipped) would be incorrectly expanded to 4 components because the stride check would never be performed. Maybe we should avoid skipping the first component in some situations, but I'm not sure if it's worth the VGPR cost. fossil-db (vega10): Totals from 583 (0.39% of 149974) affected shaders: CodeSize: 1496848 -> 1500868 (+0.27%); split: -0.03%, +0.30% Instrs: 286155 -> 286575 (+0.15%); split: -0.07%, +0.22% Latency: 2947101 -> 2946865 (-0.01%); split: -0.23%, +0.22% InvThroughput: 797396 -> 797127 (-0.03%); split: -0.08%, +0.04% fossil-db (polaris10): Totals from 583 (0.39% of 151365) affected shaders: SGPRs: 38880 -> 39216 (+0.86%) VGPRs: 24440 -> 24356 (-0.34%) CodeSize: 1506808 -> 1510876 (+0.27%); split: -0.01%, +0.28% Instrs: 288735 -> 289167 (+0.15%); split: -0.06%, +0.21% Latency: 2963263 -> 2961884 (-0.05%); split: -0.24%, +0.19% InvThroughput: 802351 -> 801665 (-0.09%); split: -0.12%, +0.04% Signed-off-by: Rhys Perry <pendingchaos02@gmail.com> Reviewed-by: Daniel Schürmann <daniel@schuermann.dev> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9007> |
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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.