Alyssa Rosenzweig
6f8cd310e4
Our staging resources need to be LINEAR, however we don't support LINEAR with DEPTH_STENCIL. The APIs don't actually require this, we just need to make sure we don't generate internal staging blits to linear depth/stencil resources. For uploading to compressed depth/stencil textures, we could use a depth/stencil staging (since we can read from linear depth/stencil). However, for downloading from compressed depth/stencil, we can't use a depth/stencil staging (since we can't write linear depth/stencil). So, to handle both cases in a unified way, just use colour blits for depth/stencil resources, using a compatible colour format. This wouldn't be ok for an application to do itself, but within the driver we know that it's safe, since there's no difference in memory between depth/stencil and colour on AGX. In particular, Z16 is compressed exactly the same as R16, Z8 as R8, and so on. Fixes depth/stencil compression. Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22891>
`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.