Georg Lehmann e0cebac14f nir/opt_algebraic: optimize b2f(a != 0) * a
Just D3D9 things.

Foz-DB Navi21:
Totals from 137 (0.17% of 79377) affected shaders:
MaxWaves: 3366 -> 3370 (+0.12%); split: +0.24%, -0.12%
Instrs: 76462 -> 72091 (-5.72%)
CodeSize: 411584 -> 380792 (-7.48%)
Latency: 279472 -> 275505 (-1.42%); split: -2.01%, +0.59%
InvThroughput: 71311 -> 65369 (-8.33%)
VClause: 1587 -> 1612 (+1.58%); split: -1.01%, +2.58%
SClause: 1111 -> 1105 (-0.54%); split: -1.08%, +0.54%
Copies: 5621 -> 5602 (-0.34%); split: -1.39%, +1.05%
PreSGPRs: 5266 -> 5241 (-0.47%); split: -0.51%, +0.04%
PreVGPRs: 4249 -> 4236 (-0.31%); split: -0.35%, +0.05%
VALU: 50049 -> 45901 (-8.29%)
SALU: 8948 -> 8818 (-1.45%)

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33674>
2025-02-24 16:34:53 +00:00
2022-11-22 19:04:13 +00:00
2025-02-23 00:31:59 +01:00
2025-02-23 00:31:59 +01:00
2025-01-08 20:37:51 +00:00
2025-02-09 08:13:27 +00:00
2023-11-02 11:37:46 +00:00
2024-05-13 14:32:12 +00:00
2025-02-19 21:57:26 +00:00
2025-02-23 00:31:59 +01:00
2025-02-09 08:13:27 +00:00
2024-11-18 22:29:14 +00:00
2025-01-30 19:02:37 +00:00

`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.
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