Natalie Vock a06f38e5ae aco/vn: Don't combine expressions across calls
This increases live state across calls, which in turn increases spilling
and makes for slower shaders overall.

On top of RT function calls:
Totals from 7 (0.01% of 81072) affected shaders:

Instrs: 8980 -> 8955 (-0.28%); split: -0.88%, +0.60%
CodeSize: 51976 -> 51684 (-0.56%); split: -1.02%, +0.46%
SpillSGPRs: 248 -> 244 (-1.61%); split: -3.63%, +2.02%
SpillVGPRs: 367 -> 365 (-0.54%); split: -1.09%, +0.54%
Scratch: 32768 -> 31744 (-3.12%)
Latency: 135669 -> 128720 (-5.12%); split: -5.13%, +0.01%
InvThroughput: 35301 -> 34783 (-1.47%); split: -1.51%, +0.05%
VClause: 241 -> 242 (+0.41%)
SClause: 117 -> 120 (+2.56%)
Copies: 1311 -> 1338 (+2.06%); split: -0.69%, +2.75%
PreSGPRs: 899 -> 895 (-0.44%); split: -1.56%, +1.11%
PreVGPRs: 1103 -> 1099 (-0.36%)
VALU: 6143 -> 6098 (-0.73%); split: -1.22%, +0.49%
SALU: 913 -> 933 (+2.19%); split: -0.11%, +2.30%
VMEM: 989 -> 967 (-2.22%)
SMEM: 201 -> 214 (+6.47%)
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34531>
2025-09-15 17:16:21 +00:00
2025-02-23 00:31:59 +01:00
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2023-11-02 11:37:46 +00:00
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2025-09-10 12:33:57 +00:00
2024-11-18 22:29:14 +00:00
2025-07-16 13:50:24 +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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