Rhys Perry 2849f0b5aa nir/algebraic: optimize out exact a*1.0 if it's used only as a float
fossil-db (GFX10):
Totals from 10180 (7.30% of 139391) affected shaders:
SGPRs: 549392 -> 549448 (+0.01%); split: -0.00%, +0.01%
VGPRs: 243228 -> 243008 (-0.09%); split: -0.11%, +0.02%
CodeSize: 12939080 -> 12603996 (-2.59%); split: -2.59%, +0.00%
MaxWaves: 186948 -> 186976 (+0.01%)
Instrs: 2497266 -> 2414648 (-3.31%)

fossil-db (GFX10.3):
Totals from 10180 (7.30% of 139391) affected shaders:
SGPRs: 549672 -> 549280 (-0.07%); split: -0.23%, +0.16%
VGPRs: 289296 -> 283672 (-1.94%); split: -2.83%, +0.88%
CodeSize: 13920180 -> 13255560 (-4.77%); split: -4.77%, +0.00%
MaxWaves: 151789 -> 153165 (+0.91%)
Instrs: 2756978 -> 2671517 (-3.10%); split: -3.10%, +0.00%

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5523>
2021-01-26 11:36:13 +00:00
2020-08-06 09:46:48 +00:00
2021-01-09 20:51:35 -06:00
2020-01-18 11:39:32 +01:00
2021-01-26 09:45:29 +00:00
2020-08-06 09:46:48 +00:00
2021-01-15 20:00:20 +00:00
2019-10-18 16:42:40 +00:00
2021-01-13 09:46:19 -08:00

`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://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 `Freenode's #dri-devel
<irc://chat.freenode.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.
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