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At image bind time, we require BOs to meet aux-map alignment requirements in order to enable CCS on images. This is a heuristic controlled by anv_bo_allows_aux_map(). To improve the chances of getting a properly aligned BO, we make use of the dedicated allocation extension. Firstly, we report to applications a preference for dedicated memory if an image would like to use the aux map. Secondly, we align the VMA for dedicated allocations to meet aux-map requirements. To make enabling modifiers much easier on integrated gfx12, report dedicated allocations as a requirement for modifiers which specify CCS. Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> (v1) Reviewed-by: Jianxun Zhang <jianxun.zhang@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25003>
`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.