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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
a99600322c
With DRLR, we unfortunately don't get notified about when there are feedback loops. We also can't detect ahead of time the case where an input attachment is read before written. This means we need to try and guess in the driver when that happens based on which input attachments we read. There are three main things we have to do with feedback loops: - Forcing flushing between primitives in sysmem to avoid problems with compressed textures before a7xx. - Forcing late depth test if it's a depth feedback loop. - Invalidating UCHE because we may read blit results. The way this is implemented is currently a bit conservative, following radv. However the impact of the flushing should be mitigated by switching to GMEM whenever we can, which we already do. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31261> |
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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.