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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
3b99a0aca3
Replace the shader-based R/B swap with the blob driver's approach: use A8R8G8B8 as the texture format so the sampler correctly interprets the BGRA bytes the PE writes, and perform R<->B conversion at the CPU boundary during transfer blits (tiled<->linear copies). The R/B swap is gated by an in_transfer_blit context flag so that GPU-internal blits (e.g. glBlitFramebuffer) operating on data already in BGRA byte order are not affected. For RB_SWAP formats, skip the texture shadow shortcut to ensure the blit engine path is used, which handles the R/B swap correctly for both reads and writes. Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com> Reviewed-by: Daniel Lang <dalang@gmx.at> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38710> |
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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.