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Roland Scheidegger 51a82ec3e4 gallivm: fix half to float conversions with llvm 11
LLVM 11 removes the intrinsic for half to float conversion, so use the fpext
function instead. This function actually works now with half to float, albeit
a quick experiment showed at least the x86 backend cannot lower it itself if
the cpu doesn't support it natively and tries to call external library, which
crashes (and would be very slow anyway as it would be lowered to scalar code),
so for now only use it where we previously used the f16c intrinsic.

Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/2603

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4800>
2020-04-30 01:21:21 +00:00
.appveyor Appveyor: Quickly fix meson build. 2019-11-14 21:45:23 +00:00
.gitlab/issue_templates gitlab: add bug report template 2020-03-23 17:15:42 +00:00
.gitlab-ci aco: consider blocks unreachable if they are in the logical cfg 2020-04-29 11:07:09 +00:00
bin pick-ui: show commit sha in the pick list 2020-04-21 01:25:44 +00:00
build-support configure: commit test files 2017-10-16 16:32:43 -07:00
docs cut 20.1 branch 2020-04-29 23:52:43 +00:00
doxygen doxygen: Plumb through gallium/ to automated documentation 2016-05-30 17:53:45 +01:00
include vulkan: Update Vulkan XML and headers to 1.2.139 2020-04-28 22:55:25 +00:00
scons scons/windows: Support build with LLVM 10. 2020-04-14 08:40:56 +00:00
src gallivm: fix half to float conversions with llvm 11 2020-04-30 01:21:21 +00:00
subprojects meson: use github URL for wraps instead of completely unreliable wrapdb 2020-01-16 23:06:43 +00:00
.dir-locals.el dir-locals.el: Adds White Space support 2016-11-14 19:17:49 +02:00
.editorconfig docs: fixup indentation 2020-01-18 11:39:32 +01:00
.gitignore intel/tools: Add unit tests for assembler 2019-05-07 14:33:48 -07:00
.gitlab-ci.yml ci/freedreno: Add a test run of a few driver options. 2020-04-27 22:10:10 +00:00
.mailmap .mailmap: add an alias for Zhongmin Wu 2020-04-16 11:46:15 +00:00
.travis.yml travis: autodetect python version instead of hard-coding it 2019-12-21 20:23:08 +00:00
Android.common.mk android: mesa: Revert "android: mesa: revert "Enable asm unconditionally"" 2019-11-12 18:09:43 +00:00
Android.mk freedreno: android: fix build failure on android due to python version 2020-02-07 16:34:49 +00:00
appveyor.yml appveyor: Remove Meson job. 2020-04-01 01:13:21 +00:00
CleanSpec.mk CleanSpec.mk: Remove HOST_OUT_release 2018-08-02 15:42:40 -06:00
common.py scons: Print a deprecation warning about using scons on not windows 2019-10-24 18:33:50 +00:00
meson.build meson: Use dependency.partial_dependency() 2020-04-24 06:58:32 +00:00
meson_options.txt vulkan: add initial device selection layer. (v6.1) 2020-04-27 19:57:49 +00:00
README.rst docs: remove mailing list as way of submitting patches 2019-12-12 09:09:50 +11:00
REVIEWERS REVIEWERS: add VMware reviewers 2019-10-18 16:42:40 +00:00
SConstruct scons: Fix force_scons parsing. 2019-10-26 08:23:48 +01:00
VERSION cut 20.1 branch 2020-04-29 23:52:43 +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.html
<https://mesa3d.org/install.html>`_), but the recommended way is to use
Meson (`docs/meson.html <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 `Freenode's #dri-devel
<irc://chat.freenode.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.html <https://mesa3d.org/bugs.html>`_).


Contributing
------------

Contributions are welcome, and step-by-step instructions can be found in our
documentation (`docs/submittingpatches.html
<https://mesa3d.org/submittingpatches.html>`_).

Note that Mesa uses gitlab for patches submission, review and discussions.