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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
80b2355b39
On older hardware the "use_rep_send" compile parameter was being implicitly used to request the compilation of the SIMD16 variant of clear pixel shaders that require it due to hardware restrictions. However starting on Gfx12+ this flag is never set since replicated data clears are no longer supported, but BLORP still implicitly relies on the SIMD16 variant being generated even though there's no way for BLORP to explicitly request it. This doesn't cause much of a problem right now since brw_compile_fs() typically generates a SIMD16 kernel unless the SIMD8 kernel spills or SIMD debugging flags are enabled, but it won't work reliably on Xe3+ since we'll start using SIMD32 more aggressively. In order to avoid these issues use the standard required subgroup_size parameter from shader_info to signal that the SIMD16 variant of the shader is needed by the caller. Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32664> |
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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://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.