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Timothy Arceri fe2f7c06ae Revert "nir: Preserve offsets in lower_io_to_scalar_early" 
This reverts commit 96fa23bca5.

The correct fix to the problem was a1bc152340, making this
change obsolete as the pass skips any vars marked with
always_active_io. There was no real advantage to allowing these
vars to be split because they can't be removed anyway. Also there
is no way to split varying arrays gracefully here due to the xfb
layout rules, and this change didn't handle arrays at all.

Removing this obsolete code also fixes an assert in the new CTS
test KHR-Single-GL45.enhanced_layouts.xfb_all_stages. The test
was legally adding xfb offsets to all vertex stages but since
we only mark the varyings in the final vertex stage with the
always_active_io flag the other stages were correctly lowering
to scalars but when an array with an offset hit this code it
asserted since it couldn't handle it.

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>

Fixes: a1bc152340 ("spirv: mark variables decorated with XfbBuffer as always active")
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/6928
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17878>
(cherry picked from commit 8bffd601ed)
2022-08-08 14:55:10 -07:00
.github/workflows ci: Building osmesa on OSX 2022-07-29 12:57:26 +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: set reasonable amount of wget retries for each download 2022-08-02 17:35:46 +02:00
android Android.mk: Intermediate output paths may already be absolute 2022-06-26 22:06:36 +00:00
bin bin/gen_release_notes.py: bump advertised vulkan version to 1.3 2022-08-04 11:33:21 -07:00
build-support configure: commit test files 2017-10-16 16:32:43 -07:00
docs radv: implement VK_EXT_attachment_feedback_loop_layout 2022-08-08 09:16:39 -04:00
include vulkan: Update the XML and headers to 1.3.224 2022-08-08 09:16:13 -04:00
src Revert "nir: Preserve offsets in lower_io_to_scalar_early" 2022-08-08 14:55:10 -07:00
subprojects subprojects: Point DirectX-Headers at a specific tag 2022-07-15 16:27:11 +00:00
.dir-locals.el dir-locals.el: Adds White Space support 2016-11-14 19:17:49 +02:00
.editorconfig ci/vs2019: Update editorconfig for ps1 files 2022-06-14 21:14:33 +00:00
.gitattributes Add new rules to .gitattributes 2022-01-19 15:17:17 +00:00
.gitignore .gitignore: Qualify the path for the ignored build directory. 2022-06-09 22:53:37 +00:00
.gitlab-ci.yml Revert "CI: Disable Collabora lab" 2022-07-16 11:44:26 +00:00
.mailmap mailmap: fix order of emails for Axel Davy 2022-07-27 21:36:23 +00:00
.pick_status.json Revert "nir: Preserve offsets in lower_io_to_scalar_early" 2022-08-08 14:55:10 -07:00
CODEOWNERS CODEOWNERS: evelikov renamed to xexaxo 2022-06-24 12:28:59 +00:00
meson.build d3d12/dzn/spirv2dxil: Require version library 2022-08-04 11:33:21 -07:00
meson_options.txt util: Add a Win32 futex impl 2022-07-15 21:31:51 +00:00
README.rst docs: promote #dri-devel on oftc over freenode 2021-05-24 09:21:48 +00:00
VERSION VERSION: bump for 22.2.0-rc1 2022-08-03 11:11:03 -07:00

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.