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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
65697d6438
The stack pointer starts out at b.shader->scratch_size, plus per-lane offsets. Every time we spill/fill, we adjust the stack pointer to the offset for our desired memory location, and leave it there. Over the course of each block's spills/fills, we track the current delta from the original value, and restore it to there at the end of the block. However, when we started clobbering lane 0 and rematerializing it, we were recreating it as the original base value (b.shader->scratch_size + sizeof(uint32_t) * 0). We need to include sp_delta_B too, or else we will calculate our deltas incorrectly for that lane, and restore it incorrectly at the end of the block too. Found while debugging the issue fixed by the previous commit. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41872> |
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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.