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Mesa 3D graphics library
63ab36fe28
When lower_simd_width() encounters an instruction that needs a larger SIMD, for example SHADER_OPCODE_TXS_LOGICAL in Gfx4 needs at least SIMD16. In this case the builder needs to be at least as large as max_width, otherwise the group() setup will assert. Turns out this did not assert before "by accident", since it was relying on the default fs_visitor builder that had a dispatch width of 64, a bogus placeholder value, expected not to be used. However, when we changed the code to remove that builder (and the bogus value), we created a new builder in the pass shader dispatch_width -- which work fine except in the case where we want to "lower" the SIMD above the shader dispatch width. The fix is to also consider the already calculated max_width when creating the builder. Fixes: |
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| README.rst | ||
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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.