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Connor Abbott f6c7f16322 tu: Implement VK_EXT_multisampled_render_to_single_sampled
The extension is emulated on top of traditional transient attachments,
with the driver creating extra internal attachments for each subpass
where the MSRTSS sample count doesn't match the color or depth/stencil
attachment's sample count and insert unresolves/resolves around them,
except for the cases where the original attachment is unused
before/after the subpass respectively. An important case is if the
original attachment would be cleared at the beginning of the subpass, in
which case we rewrite the clear to apply to the driver-internal
multisample attachment. This requires redirecting the clear colors in
CmdBeginRenderPass2.

We create images, image views, and backing memory for these attachments
that are part of the framebuffer with classic renderpasses or allocated
per-render-pass with dynamic rendering.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37919>
2025-10-20 17:18:44 +00:00
.ci-farms Revert "ci: disable Collabora's farm due to maintenance" 2025-10-06 13:00:52 +02:00
.ci-farms-disabled Revert "ci: disable Collabora's farm due to maintenance" 2025-10-06 13:00:52 +02:00
.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 Uprev Piglit to 2ac68e5fb59215ecf89049ec15f3f7494b51a589 2025-10-20 09:57:30 +00:00
.marge/hooks ci: pipeline_message: reset empty errors 2025-01-07 05:08:10 +00:00
android android: fix building rules for i915, r300 2025-10-08 23:43:33 +02:00
bin ci,marge_queue: read token from file by default 2025-10-16 17:40:51 +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 pvr: Advertise VK_KHR_storage_buffer_storage_class 2025-10-17 08:11:11 +00:00
include ethos: Initial commit of a driver for the Arm Ethos-U65 NPU. 2025-10-15 20:10:15 +00:00
licenses licenses: add missing licenses 2025-01-08 20:37:51 +00:00
src tu: Implement VK_EXT_multisampled_render_to_single_sampled 2025-10-20 17:18:44 +00:00
subprojects ci: Bump DirectX-Headers and Agility SDK dependencies to 1.618.1 2025-10-01 14:46:15 -04:00
.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 ethos: Initial commit of a driver for the Arm Ethos-U65 NPU. 2025-10-15 20:10:15 +00:00
.dir-locals.el dir-locals.el: Adds White Space support 2016-11-14 19:17:49 +02:00
.editorconfig editorconfig: move OpenCL configuration to root 2025-08-30 22:49:08 -07:00
.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 intel/mda: Add code to produce mesa debug archives 2025-09-24 23:08:45 -07:00
.gitlab-ci.yml ci: Disable broken MR check in sanity job 2025-10-09 09:05:56 +00:00
.graphqlrc.yml ci/bin: Add utility to find jobs dependencies 2022-08-03 23:10:37 +00:00
.mailmap mailmap: Update for Dylan Baker 2025-09-16 19:45:15 +00:00
.mr-label-maker.yml mr-label-maker: fix label for mesa release MRs 2025-10-17 09:43:10 +02:00
.shellcheckrc ci: move shellcheck options to .shellcheckrc 2024-10-24 22:43:03 +00:00
CODEOWNERS intel: update code owners 2025-08-31 15:38:27 +00:00
meson.build poly: Migrate AGX's GS/TESS emulation to common code 2025-10-16 19:25:35 +00:00
meson.options ethos: Initial commit of a driver for the Arm Ethos-U65 NPU. 2025-10-15 20:10:15 +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 26.0 2025-10-16 03:31:58 +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.