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Ian Romanick b57bad1fd7
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brw/reg_allocate: Check source / destination hazard for all larger SIMD
All platforms needs this check for SIMD32. Xe2+ do not need this for
SIMD16.

Also... delete some really stale comments about Gfx4/Gfx5. This compiler
doesn't even support those platforms.

No shader-db changes on any pre-Xe2 Intel platforms:

shader-db:

Lunar Lake
total instructions in shared programs: 17108867 -> 17108855 (<.01%)
instructions in affected programs: 35211 -> 35199 (-0.03%)
helped: 19 / HURT: 6

total cycles in shared programs: 885026794 -> 885805580 (0.09%)
cycles in affected programs: 140449880 -> 141228666 (0.55%)
helped: 903 / HURT: 1142

LOST:   0
GAINED: 25

fossil-db:

Lunar Lake
Totals:
Instrs: 208578317 -> 208574097 (-0.00%); split: -0.00%, +0.00%
Cycle count: 31268800798 -> 31259914590 (-0.03%); split: -0.10%, +0.07%
Spill count: 504472 -> 504102 (-0.07%); split: -0.09%, +0.02%
Fill count: 606581 -> 606079 (-0.08%); split: -0.13%, +0.05%
Scratch Memory Size: 35001344 -> 34957312 (-0.13%)

Totals from 60714 (8.59% of 706970) affected shaders:
Instrs: 48923370 -> 48919150 (-0.01%); split: -0.01%, +0.01%
Cycle count: 11830486210 -> 11821600002 (-0.08%); split: -0.27%, +0.20%
Spill count: 397150 -> 396780 (-0.09%); split: -0.12%, +0.02%
Fill count: 469651 -> 469149 (-0.11%); split: -0.17%, +0.06%
Scratch Memory Size: 25971712 -> 25927680 (-0.17%)

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35903>
2025-07-15 19:35:44 +00:00
.ci-farms svga/ci: enable vmware farm 2025-06-18 14:52:25 +00:00
.ci-farms-disabled svga/ci: enable vmware farm 2025-06-18 14:52:25 +00:00
.github/workflows meson: remove unused osmesa option 2025-06-23 06:42:50 +00:00
.gitlab docs: update gitlab docs urls 2025-02-23 00:31:59 +01:00
.gitlab-ci ci: uprev apitrace 2025-07-15 11:56:39 +00:00
.marge/hooks ci: pipeline_message: reset empty errors 2025-01-07 05:08:10 +00:00
android Revert "android: Link with libc++fs up to SDK 35" 2025-06-03 22:01:01 +00:00
bin ci: Fix trace update script following environment variable changes 2025-07-14 06:48:18 +00:00
build-support meson: move tsan-blacklist.txt to build-support with the other build support files 2024-05-01 07:05:12 +00:00
docs radv: advertise VK_EXT_host_image_copy on GFX10+ behind RADV_PERFTEST=hic 2025-07-15 09:12:16 +00:00
include drm-uapi: update drm_fourcc.h 2025-07-15 12:37:08 +00:00
licenses licenses: add missing licenses 2025-01-08 20:37:51 +00:00
src brw/reg_allocate: Check source / destination hazard for all larger SIMD 2025-07-15 19:35:44 +00:00
subprojects mesa: subprojects: remove linux-raw-sys backend and use libc 2025-07-14 10:23:47 -07:00
.clang-format meson: enable the clang-format target 2023-05-29 11:57:08 +00:00
.clang-format-ignore ci: enforce formatting for RADV & ACO 2023-06-16 19:59:52 +00:00
.clang-format-include r300: opt in to clang-format CI enforcement for the compiler 2024-10-15 09:24:02 +00:00
.dir-locals.el
.editorconfig meson: rename meson_options.txt 2025-02-09 08:13:27 +00:00
.git-blame-ignore-revs freedreno: Add register renaming to .git-blame-ignore-revs 2025-07-03 12:50:04 +00:00
.gitattributes gitlab: Highlight .cl as C 2023-11-02 11:37:46 +00:00
.gitignore .gitignore: add .cache folder 2024-05-13 14:32:12 +00:00
.gitlab-ci.yml ci: reduce the root .gitlab-ci file 2025-06-30 12:32:30 +00:00
.graphqlrc.yml
.mailmap mailmap,bin/people.csv: fix my preferred email address 2025-07-11 12:04:08 +00:00
.mr-label-maker.yml mr-label-maker.yml: remove remaining osmesa occurrences 2025-06-23 06:42:50 +00:00
.shellcheckrc ci: move shellcheck options to .shellcheckrc 2024-10-24 22:43:03 +00:00
CODEOWNERS docs: update gitlab docs urls 2025-02-23 00:31:59 +01:00
meson.build egl/wayland: Move bind_wayland_display to legacy build option 2025-07-10 14:51:20 +00:00
meson.options egl/wayland: Move bind_wayland_display to legacy build option 2025-07-10 14:51:20 +00:00
README.rst docs: Match README installation guide with meson.rst 2024-07-27 11:53:53 +00:00
rustfmt.toml mesa: Add rustfmt.toml 2024-11-18 22:29:14 +00:00
VERSION VERSION: bump to 25.2 2025-04-16 14:30:14 +02:00

`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.