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Daniel Schürmann 806fcc6193
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nir/opt_loop: always try to peel initial break from loops with unrolling hint
This allows to unroll these loops, even if loop analyze is unable
to calculate the iteration count.
As always with loops, the throughput stats are meaningless.

Totals from 6 (0.00% of 202440) affected shaders: (Navi48)
Instrs: 7825 -> 6201 (-20.75%)
CodeSize: 37056 -> 30412 (-17.93%)
Latency: 21563 -> 16934 (-21.47%)
InvThroughput: 144649 -> 77962 (-46.10%)
SClause: 139 -> 133 (-4.32%)
Copies: 536 -> 388 (-27.61%)
Branches: 156 -> 84 (-46.15%)
PreVGPRs: 298 -> 296 (-0.67%); split: -1.01%, +0.34%
VALU: 2493 -> 2378 (-4.61%); split: -4.65%, +0.04%
SALU: 3263 -> 2199 (-32.61%)
SMEM: 188 -> 183 (-2.66%)

Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40349>
2026-04-22 10:34:58 +00:00
.ci-farms Revert "ci: disable Collabora's farm due to maintenance" 2026-04-20 14:28:04 +00:00
.ci-farms-disabled Revert "ci: disable Collabora's farm due to maintenance" 2026-04-20 14:28:04 +00:00
.github/workflows meson: remove unused osmesa option 2025-06-23 06:42:50 +00:00
.gitlab radv: introduce RADV_EXPERIMENTAL envvar for experimental features 2026-03-30 07:27:01 +00:00
.gitlab-ci ci: uprev VKCTS main to 634a3fc62d82c34de68c3b1add25e6b7f5777524 2026-04-15 11:22:10 +00:00
.marge/hooks marge/pipeline_message: print details for any pipeline that hasn't succeeded 2026-02-13 14:44:30 +00:00
android android: fix building rules for i915, r300 2025-10-08 23:43:33 +02:00
bin bin: Add Tested-by in rb.py 2026-04-13 18:01:16 +00:00
build-support
docs kk: Enable VK_AMD_shader_image_load_store_lod 2026-04-22 06:42:08 +00:00
include vulkan: update spec to 1.4.348 2026-04-03 16:03:02 +00:00
licenses
src nir/opt_loop: always try to peel initial break from loops with unrolling hint 2026-04-22 10:34:58 +00:00
subprojects ci: Bump DirectX-Headers and Agility SDK dependencies to v1.619.1 2026-03-10 15:06:44 +00:00
.clang-format meson: Restore .clang-format for ninja clang-format target 2026-02-02 13:30:55 +00:00
.clang-format-ignore ethosu: Switch to the weight encoder from Regor 2026-03-23 07:45:55 +00:00
.clang-format-include ethos: Initial commit of a driver for the Arm Ethos-U65 NPU. 2025-10-15 20:10:15 +00:00
.dir-locals.el
.editorconfig editorconfig: Set for glsl files 2025-11-14 19:31:17 +00:00
.git-blame-ignore-revs radv: Add re-format commit to .git-blame-ignore-revs 2025-11-12 07:55:36 +00:00
.gitattributes
.gitignore Revert "add VK CTS validation report for a0 interpolation fix" 2026-02-10 18:07:18 +00:00
.gitlab-ci.yml ci: changing .gitlab-ci.yml itself also means the container jobs must exist 2026-03-18 14:19:02 +00:00
.graphqlrc.yml
.mailmap mailmap: Update my email 2026-03-12 23:36:00 +00:00
.mr-label-maker.yml mr-label-maker: Label Collabora farm with driver tags 2026-04-20 15:20:28 +00:00
.shellcheckrc
clippy.toml ci: read the MSRV from clippy.toml to avoid having too many copies to keep in sync 2025-12-20 00:13:19 +01:00
CODEOWNERS CODEOWNERS: Update panfrost 2026-03-04 09:28:58 +00:00
meson.build kk: Add poly dependency to KK 2026-04-17 10:52:53 +00:00
meson.options amd: make ac_ib_parser an amd tool build option 2026-04-17 09:40:13 +00:00
README.rst
rustfmt.toml
VERSION VERSION: bump to 26.2 2026-04-15 13:15:35 +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.