No description
6738a7b5b4
The problematic scenario is when we have the same source used by both normal and presubtract argument. We check that case currently and count the source only once. However if one of the arguments uses a non-native swizzle, we have to rewrite it later and the source changes. Therefore we end with too many sources and fail later during pair translation. Example: ADD temp[21].xy, temp[20].xy__, temp[17].xy__; MAD temp[22].xy, temp[17].zw__, temp[11].xy__, temp[21].xy__; will get converted to MAD temp[22].xy, temp[17].zw__, temp[11].xy__, (temp[17] + temp[20]).xy__; however after dataflow swizzles pass we end with MOV temp[3].x, temp[17].z___; MOV temp[3].y, temp[17]._w__; MAD temp[22].xy, temp[3].xy__, temp[11].xy__, (temp[17] + temp[20]).xy__; Just skip the "don't count the same source twice" optimization when a non-native swizzle is used to fix 2 dEQP atan2 tests. Signed-off-by: Pavel Ondračka <pavel.ondracka@gmail.com> Reviewed-by: Filip Gawin <filip@gawin.net> Tested-by: Filip Gawin <filip@gawin.net> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19764> |
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| README.rst | ||
| VERSION | ||
`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.