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While I haven't found documentation saying definitively that HDC supports fast clear blocks, it seems to work just fine, even on Tigerlake. I have found several issues (atomics and HDC support for linear compression) that both call out fast clears as an issue in those corner cases, which suggests that fast clears do actually work outside of those corners (which we already disable). The previous commit implemented actual aux state updates for image views. With ISL_AUX_USAGE_GFX12_CCS_E, this means that we update the aux state to COMPRESSED_CLEAR after writes. But because we weren't supporting fast clears, this meant that any such images would need partial resolves to remove the clear color on next use. Supporting fast clears allows us to drop all these resolves. Reviewed-by: Nanley Chery <nanley.g.chery@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19060>
`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.