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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
24be011901
Utgard supports MSAA 4x, so wire it up. RSW bits were already REd by Luc, the only remaining part was storing non-resolved buffers, reloading them (including for depth/stencil) and doing MSAA resolve. To store non-resolved buffer we need to set mrt_pitch and mrt_bits registers in WB, and to resolve non-resolved buffer we need to reload it into individual samples and then write out with mrt_bits = 0, it's now done by lima blitter. We also need to do resolve on transfer_map() of multi-sampled buffers, so utilize u_transfer_helper for that. As a side fix, it turns out that our wb_reg definition wasn't correct, 'zero' isn't always zero, it's set if we need to swap channels, and it goes before mrt_bits. mrt_bits actually enables multiple MRTs, so this commit renames 'zero' to 'flags' and changes its position. If mrt_bits == 0 and MSAA is enabled, GPU does resolve in place, to expose this functionality we set PIPE_CAP_SURFACE_SAMPLE_COUNT. Fixes dEQP-GLES2.functional.multisample.* Reviewed-by: Erico Nunes <nunes.erico@gmail.com> Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13963> |
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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.