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Emma Anholt 772cacff32 glsl: Write a new test for GLSL and NIR mediump lowering.
The mediump lowering tests are important for poking at the lowering pass
behavior, since you can't really assert the behavior in any given driver,
given that the GLSL spec allows any mediump op to be done in highp.

But, in hacking on mediump lowering, I wanted several things that the old
test couldn't do:

- Be able to assert about the actual NIR code we expect to generate for a
  hypothetical driver (important if other compiler stages might do invalid
  transformations like eliminating highp temps, or if we were to move the
  lowering after GLSL IR)
- Run faster (gtest unit tests rather than python forking off the standalone
  glsl compiler per testcase).
- Express expectations with a lot less escaping of typical syntax.
- High-quality logs for displaying failures.

This new test does all of that, I think, though I haven't converted all of
the unit tests over yet.  In converting, I dropped some of the
combinatorial explosion for float/int variations, instead only doing so
when it gets at some different code path (default precision flags).  I've
also included some new tests I wrote in the process of writing my proposed
gl_nir mediump lowering.

Even if the conversion isn't complete, getting these tests to run faster
is probably a good idea on its own, for anyone iterating running Mesa's
unit tests (80 tests in 25ms, compared to 109 tests in 1.5s!).

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21886>
2023-03-22 22:52:45 +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: deduplicate compiler wrappers 2023-03-22 17:28:07 +00:00
android AOSP: Add intel_hasvk vulkan library suffix 2022-11-29 09:05:17 +01:00
bin symbols-check: support OSes based on GNU toolchain 2023-03-10 13:25:48 +00:00
build-support
docs ci/docs: start documenting ci_run_n_monitor.py 2023-03-22 20:48:14 +00:00
include vulkan: Update XML and headers to 1.3.244 2023-03-20 23:11:09 +00:00
src glsl: Write a new test for GLSL and NIR mediump lowering. 2023-03-22 22:52:45 +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
.gitignore .gitignore: add VSCode and VSCodium 2022-11-21 23:09:30 +00:00
.gitlab-ci.yml ci: move docs-stuff out of root .gitlab-ci.yml 2023-03-20 15:27:37 +00:00
.graphqlrc.yml ci/bin: Add utility to find jobs dependencies 2022-08-03 23:10:37 +00:00
.mailmap Update my mailmap aliases 2023-03-18 17:19:00 +00:00
CODEOWNERS hgl: remove 2023-02-18 00:44:43 +00:00
meson.build glsl: Write a new test for GLSL and NIR mediump lowering. 2023-03-22 22:52:45 +00:00
meson_options.txt meson: allow feature options to take true/false to mean enabled/disabled 2023-03-10 07:20:29 +00:00
README.rst
VERSION VERSION: bump to 23.1.0-devel for further development 2023-01-12 22:45:38 +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://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.