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Ian Romanick 782de1932c intel/fs: Don't copy propagate from saturate to sel 
There are already NIR algebraic optimizations (see also ac6646129f
("nir: Move fsat outside of fmin/fmax if second arg is 0 to 1.") that
will try to remove the saturate from things like

    fmax(0.5, fsat(x))

This basically reverts 40aeb558ce ("i965/fs: Allow propagation of
instructions with saturate flag to sel"). That commit message had no
shader-db information, so it's unclear whether this actually helped
anything ever.

No shader-db changes on any Intel platform.

One shader in Far Cry New Dawn was affected.

Cycles in all programs: 10933090738 -> 10933090736 (-0.0%)
Cycles helped: 1

Reviewed-by: Matt Turner <mattst88@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22169>
2023-03-29 23:48:19 +00:00
.github/workflows add zink to macos ci 2022-11-22 19:04:13 +00:00
.gitlab/issue_templates gitlab: ask that reporters don't include long logs in descriptions 2022-06-08 15:06:51 +00:00
.gitlab-ci ci/zink: Fix zink-tu-a618-traces perf job rules 2023-03-29 21:30:19 +00:00
android AOSP: Add intel_hasvk vulkan library suffix 2022-11-29 09:05:17 +01:00
bin symbols-check: support OSes based on GNU toolchain 2023-03-10 13:25:48 +00:00
build-support
docs radv: Don't expose NV_mesh_shader and don't use it in CI. 2023-03-29 15:08:55 +00:00
include anv: Partialy import drm-uapi/gpu_scheduler.h and use it 2023-03-24 21:28:47 +00:00
src intel/fs: Don't copy propagate from saturate to sel 2023-03-29 23:48:19 +00:00
subprojects meson: upgrade zlib wrap 2022-10-20 22:52:06 +00:00
.dir-locals.el
.editorconfig glsl: Fixes ident issue in glsl_parser.yy and update editorconfig for it 2022-12-16 19:02:17 +00:00
.gitattributes
.gitignore .gitignore: add VSCode and VSCodium 2022-11-21 23:09:30 +00:00
.gitlab-ci.yml CI: Disable freedreno 2023-03-28 13:09:08 +00:00
.graphqlrc.yml ci/bin: Add utility to find jobs dependencies 2022-08-03 23:10:37 +00:00
.mailmap mailmap: Add Lina's new google.com address 2023-03-28 03:37:43 +00:00
CODEOWNERS CODEOWNERS: s/jekstrand/gfxstrand 2023-03-26 00:16:26 +00:00
meson.build glsl: Write a new test for GLSL and NIR mediump lowering. 2023-03-22 22:52:45 +00:00
meson_options.txt meson: allow feature options to take true/false to mean enabled/disabled 2023-03-10 07:20:29 +00:00
README.rst
VERSION VERSION: bump to 23.1.0-devel for further development 2023-01-12 22:45:38 +00:00

README.rst 

`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.