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Jason Ekstrand 2006c70812 nir/alu_to_scalar: Use ssa_for_alu_src in hand-rolled expansions 
The ssa_for_alu_src helper will correctly handle swizzles and other
source modifiers for you.  The expansions for unpack_half_2x16,
pack_uvec2_to_uint, and pack_uvec4_to_uint were all broken with regards
to swizzles.  The brokenness of unpack_half_2x16 was causing rendering
errors in Rise of the Tomb Raider on Intel ever since c11833ab24
which added an extra copy propagation to the optimization pipeline and
caused us to start seeing swizzles where we hadn't seen any before.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107926
Fixes: 9ce901058f "nir: Add lowering of nir_op_unpack_half_2x16."
Fixes: 9b8786eba9 "nir: Add lowering support for packing opcodes."
Tested-by: Alex Smith <asmith@feralinteractive.com>
Tested-by: Józef Kucia <joseph.kucia@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
(cherry picked from commit dd553bc67f)
2018-10-10 16:23:59 +02:00
bin radeonsi: NaN should pass kill_if 2018-10-02 09:39:47 +02:00
build-support configure: commit test files 2017-10-16 16:32:43 -07:00
docs docs: add sha256 checksums for 18.2.2 2018-10-05 12:45:35 +02:00
doxygen doxygen: Plumb through gallium/ to automated documentation 2016-05-30 17:53:45 +01:00
include pci_ids: add new polaris pci id 2018-09-24 10:53:09 +02:00
m4 m4: Use older autoconf 2.63 compatible ax_check_compile_flag. 2017-09-01 16:30:40 -07:00
scons mesa: Unconditionally enable floating-point textures 2018-06-18 09:29:38 +10:00
scripts get_reviewer.pl: fix mesa check 2016-08-30 16:44:00 -04:00
src nir/alu_to_scalar: Use ssa_for_alu_src in hand-rolled expansions 2018-10-10 16:23:59 +02:00
.dir-locals.el dir-locals.el: Adds White Space support 2016-11-14 19:17:49 +02:00
.editorconfig editorconfig: Add meson configuration 2017-10-09 13:40:50 -07:00
.gitattributes Disable autocrlf for Visual Studio project files. 2008-02-28 12:34:01 +09:00
.gitignore .gitignore: list *.orig and *.rej 2017-09-06 17:48:50 +01:00
.mailmap mailmap: Use Eric Engestrom's personal email address 2018-03-15 12:03:41 +00:00
.travis.yml travis: install scons from pip 2018-08-01 20:32:42 +02:00
Android.common.mk android: util/disk_cache: fix building errors in gallium drivers 2018-07-21 12:06:38 +02:00
Android.mk dri drivers: Always add the sha1 build-id 2017-10-31 23:36:54 -07:00
appveyor.yml appveyor: Consume LLVM 5.0.1. 2018-06-16 18:09:20 +01:00
autogen.sh autogen.sh: pass --force to autoreconf, quote ORIGDIR 2015-03-11 23:28:26 +00:00
CleanSpec.mk android: Depend on gallium_dri from EGL, instead of linking in gallium. 2015-06-09 11:38:45 -07:00
common.py scons: Recognize LLVM_CONFIG environment variable. 2016-11-24 13:37:33 -08:00
configure.ac autotools: use correct gl.pc LIBS when using glvnd 2018-08-09 03:46:50 +03:00
install-gallium-links.mk gallium: Fix install-gallium-links.mk on non-bash /bin/sh 2016-10-10 08:56:12 -07:00
install-lib-links.mk install-lib-links: remove the .install-lib-links file 2015-02-24 15:33:25 +00:00
Makefile.am v3d: Switch the vc5 driver to using the finalized V3D UABI. 2018-05-16 21:19:07 +01:00
meson.build meson: Print a message about why a libdrm version was selected 2018-09-08 01:02:28 +03:00
meson_options.txt meson: Move xvmc test tools from unit tests to installed tools. 2018-07-13 13:29:29 -07:00
README.rst README: wording fix for previous commit 2018-06-11 18:34:58 +01:00
REVIEWERS REVIEWERS: add root meson.build to the Meson reviewers group 2018-06-01 17:53:06 +01:00
SConstruct scons: require scons 2.4 or greater 2018-08-01 20:33:00 +02:00
VERSION Update version to 18.2.2 2018-10-05 10:08:20 +00:00

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 status
------------

Travis:

.. image:: https://travis-ci.org/mesa3d/mesa.svg?branch=master
    :target: https://travis-ci.org/mesa3d/mesa

Appveyor:

.. image:: https://img.shields.io/appveyor/ci/mesa3d/mesa.svg
    :target: https://ci.appveyor.com/project/mesa3d/mesa

Coverity:

.. image:: https://scan.coverity.com/projects/139/badge.svg?flat=1
    :target: https://scan.coverity.com/projects/mesa


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 email mailing-lists for patches submission, review and
discussions.