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Rhys Perry 3668da7c83 nir: use xyzw order for precise fdot 
Fixes flickering grass in Immortals Fenyx Rising.

fossil-db (gfx1100):
Totals from 13969 (10.38% of 134574) affected shaders:
MaxWaves: 442794 -> 442878 (+0.02%)
Instrs: 4861105 -> 4901408 (+0.83%); split: -0.02%, +0.85%
CodeSize: 24316100 -> 24396272 (+0.33%); split: -0.03%, +0.35%
VGPRs: 446256 -> 445572 (-0.15%); split: -0.20%, +0.05%
Latency: 28122456 -> 28162233 (+0.14%); split: -0.10%, +0.24%
InvThroughput: 2899673 -> 2904323 (+0.16%); split: -0.07%, +0.23%
VClause: 119599 -> 119631 (+0.03%); split: -0.07%, +0.09%
SClause: 186636 -> 186265 (-0.20%); split: -0.23%, +0.03%
Copies: 301370 -> 300386 (-0.33%); split: -0.75%, +0.42%
Branches: 85066 -> 85047 (-0.02%); split: -0.02%, +0.00%
PreSGPRs: 436167 -> 436137 (-0.01%)
PreVGPRs: 329715 -> 329809 (+0.03%); split: -0.01%, +0.04%

fossil-db (gfx1100, RADV_DEBUG=invariantgeom):
Totals from 43116 (32.04% of 134574) affected shaders:
MaxWaves: 1332938 -> 1333012 (+0.01%); split: +0.01%, -0.00%
Instrs: 16424513 -> 16658021 (+1.42%); split: -0.06%, +1.48%
CodeSize: 81258868 -> 81827860 (+0.70%); split: -0.07%, +0.77%
VGPRs: 1720368 -> 1719648 (-0.04%); split: -0.19%, +0.15%
SpillSGPRs: 1670 -> 1600 (-4.19%); split: -5.27%, +1.08%
Latency: 82063766 -> 82425418 (+0.44%); split: -0.23%, +0.67%
InvThroughput: 9665803 -> 9727810 (+0.64%); split: -0.09%, +0.73%
VClause: 449662 -> 451099 (+0.32%); split: -0.32%, +0.64%
SClause: 498841 -> 498639 (-0.04%); split: -0.24%, +0.20%
Copies: 1001020 -> 1000770 (-0.02%); split: -1.20%, +1.17%
Branches: 237580 -> 239637 (+0.87%); split: -0.01%, +0.88%
PreSGPRs: 1198167 -> 1198024 (-0.01%); split: -0.01%, +0.00%
PreVGPRs: 1225202 -> 1225035 (-0.01%); split: -0.06%, +0.05%

fossil-db (navi10):
Totals from 13969 (10.38% of 134563) affected shaders:
MaxWaves: 474386 -> 474508 (+0.03%); split: +0.05%, -0.03%
Instrs: 3740895 -> 3771566 (+0.82%); split: -0.00%, +0.82%
CodeSize: 19426592 -> 19459916 (+0.17%); split: -0.00%, +0.18%
VGPRs: 389916 -> 389852 (-0.02%); split: -0.09%, +0.07%
Latency: 25452927 -> 25502482 (+0.19%); split: -0.14%, +0.34%
InvThroughput: 3880807 -> 3923144 (+1.09%); split: -0.07%, +1.16%
VClause: 66835 -> 66712 (-0.18%); split: -0.38%, +0.20%
SClause: 178805 -> 178802 (-0.00%); split: -0.01%, +0.01%
Copies: 167601 -> 167625 (+0.01%); split: -0.54%, +0.56%
Branches: 83788 -> 83784 (-0.00%)
PreSGPRs: 388229 -> 388216 (-0.00%)
PreVGPRs: 342984 -> 343062 (+0.02%); split: -0.01%, +0.03%

fossil-db (navi10, RADV_DEBUG=invariantgeom):
Totals from 43116 (32.04% of 134563) affected shaders:
MaxWaves: 1260184 -> 1256414 (-0.30%); split: +0.10%, -0.40%
Instrs: 12804951 -> 12983628 (+1.40%); split: -0.01%, +1.41%
CodeSize: 65813224 -> 66137852 (+0.49%); split: -0.03%, +0.52%
VGPRs: 1556396 -> 1561340 (+0.32%); split: -0.09%, +0.41%
SpillSGPRs: 1377 -> 1395 (+1.31%)
Latency: 76095867 -> 76355111 (+0.34%); split: -0.32%, +0.66%
InvThroughput: 13546863 -> 13788789 (+1.79%); split: -0.05%, +1.84%
VClause: 310910 -> 311283 (+0.12%); split: -0.63%, +0.75%
SClause: 474878 -> 474941 (+0.01%); split: -0.09%, +0.10%
Copies: 639367 -> 637610 (-0.27%); split: -1.03%, +0.76%
Branches: 240178 -> 240185 (+0.00%); split: -0.00%, +0.00%
PreSGPRs: 1056594 -> 1056590 (-0.00%); split: -0.00%, +0.00%
PreVGPRs: 1247950 -> 1247798 (-0.01%); split: -0.05%, +0.04%

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/7920
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20812>
2023-03-08 14:38:26 +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: Handle carriage return characters in LAVA logs 2023-03-06 17:17:32 +00:00
android AOSP: Add intel_hasvk vulkan library suffix 2022-11-29 09:05:17 +01:00
bin ci/ci_run_n_monitor: while we usually disable many jobs, print them inline 2023-03-06 01:51:59 +01:00
build-support
docs anv/iris: report counter symbols with debug option 2023-03-08 12:45:43 +00:00
include intel: Pull in xe_drm.h 2023-03-03 05:25:35 +00:00
src nir: use xyzw order for precise fdot 2023-03-08 14:38:26 +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 Add new rules to .gitattributes 2022-01-19 15:17:17 +00:00
.gitignore .gitignore: add VSCode and VSCodium 2022-11-21 23:09:30 +00:00
.gitlab-ci.yml Revert "ci: disable Collabora's LAVA lab for maintance" 2023-03-07 02:23:00 +00:00
.graphqlrc.yml ci/bin: Add utility to find jobs dependencies 2022-08-03 23:10:37 +00:00
.mailmap mailmap: Remap name and email for Val Packett 2023-02-01 11:30:12 +00:00
CODEOWNERS hgl: remove 2023-02-18 00:44:43 +00:00
meson.build meson: forcefully disable libdrm when host doesn't have it 2023-03-06 22:40:55 +00:00
meson_options.txt intel: Add Meson parameter to enable Xe KMD support 2023-03-03 05:25:35 +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.