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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
bc55d150a9
When the GPU is converting a texture from linear/tiled to compressed AFBC, it uses a sparse memory layout. That means that the superblocks are stored starting at intervals equal to the size of an uncompressed superblock. When memory usage needs to be optimized, it is possible to pack the resource by trimming each superblock as much as possible. The GPU will still be able to read from these packed textures, but won't be able to write directly to them. If the layout is AFBC-tiled, the packing process will also de-tile as tiled+packed is not supported by Mali GPUs. No new modifier flag has been added as the absence of the `AFBC_FORMAT_MOD_SPARSE` flag means the resource will be packed. Signed-off-by: Louis-Francis Ratté-Boulianne <lfrb@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25012> |
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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.