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On-GPU LRZ direction tracking allows LRZ to support secondary cmdbufs, reusing LRZ between renderpasses, and in future to support LRZ when VK_KHR_dynamic_rendering is used. With on-gpu tracking we have to be careful keeping LRZ state in sync with underlying depth image, which means we should invalidate LRZ when underlying image is changed or the view of image is different from previous renderpass. All of this resulted in LRZ logic being thinly spread through the code, making it hard to understand. So most of it was moved to tu_lrz.c. For more details on past and new LRZ features see comment at the top of tu_lrz.c. Note about blob: - Blob is much more happy to do LRZ_FLUSH, it flushes at the start of the renderpass, after binning, and at the end of the renderpass. - Blob seem not to care about changes in depth image done via vkCmdCopyImage. Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/6347 Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16251>
`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.