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Timothy Arceri a6b7068ff5 st/mesa/radeonsi: fix race between destruction of types and shader compilation 
Commit 624789e370 moved the destruction of types out of atexit() and
made use of a ref count instead. This is useful for avoiding a crash
where drivers such as radeonsi are still compiling in a thread when the app
exits and has not called MakeCurrent to change from the current context.

While the above scenario is technically an app bug we shouldn't crash.
However that change caused another race condition between the shader
compilation tread in radeonsi and context teardown functions.

This patch makes two changes to fix this new problem:

First we explicitly call _mesa_destroy_shader_compiler_types() when destroying
the st context rather than calling it indirectly via _mesa_free_context_data().
We do this as we must call it after st_destroy_context_priv() so that we don't
destory the glsl types before the compilation threads finish.

Next wait for the shader threads to finish in si_destroy_context() this
also means we need to call context destroy before destroying the queues
in si_destroy_screen().

Fixes: 624789e370 ("compiler/glsl: handle case where we have multiple users for types")

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
2019-04-24 10:23:10 +10:00
.gitlab-ci gitlab-ci: Use LLVM 3.4 from Debian jessie for scons-llvm job 2019-04-16 10:57:55 +02:00
bin meson: remove meson-created megadrivers symlinks 2019-04-11 12:40:16 +00:00
build-support configure: commit test files 2017-10-16 16:32:43 -07:00
docs iris: add support for INTEL_conservative_rasterization 2019-04-23 16:36:30 -07:00
doxygen doxygen: Plumb through gallium/ to automated documentation 2016-05-30 17:53:45 +01:00
include st/nine: skip position checks in SetCursorPosition() 2019-04-20 13:06:29 +02:00
scons scons: Compatibility with Scons development version string 2019-03-12 14:22:34 +00:00
scripts appveyor: Revert commits adding Cygwin support. 2019-01-25 14:13:26 +00:00
src st/mesa/radeonsi: fix race between destruction of types and shader compilation 2019-04-24 10:23:10 +10:00
.dir-locals.el dir-locals.el: Adds White Space support 2016-11-14 19:17:49 +02:00
.editorconfig editorconfig: Add max_line_length property 2019-01-10 15:50:34 +02:00
.gitattributes Disable autocrlf for Visual Studio project files. 2008-02-28 12:34:01 +09:00
.gitignore .gitignore: Remove autotool artifacts 2019-04-18 14:12:43 -07:00
.gitlab-ci.yml gitlab-ci: Use LLVM 3.4 from Debian jessie for scons-llvm job 2019-04-16 10:57:55 +02:00
.mailmap .mailmap: Add a few more alises for myself 2019-02-13 12:03:41 -08:00
.travis.yml ci: Delete autotools build jobs 2019-04-15 13:44:41 -07:00
Android.common.mk android: fix missing backspace for line continuation 2019-03-08 21:14:24 +00:00
Android.mk lima: add Android build 2019-04-21 01:05:19 +00:00
appveyor.yml appveyor: Revert commits adding Cygwin support. 2019-01-25 14:13:26 +00:00
CleanSpec.mk CleanSpec.mk: Remove HOST_OUT_release 2018-08-02 15:42:40 -06:00
common.py scons/svga: remove opt from the list of valid build types 2018-10-26 12:09:00 -06:00
meson.build kmsro: Add lima renderonly support 2019-04-11 09:57:53 +08:00
meson_options.txt intel/common: Add unit tests for gen_mi_builder 2019-04-11 18:04:09 +00:00
README.rst README: Drop the badges from the readme 2019-02-07 12:46:17 -06:00
REVIEWERS docs: drop most autoconf references 2019-04-15 13:44:34 -07:00
SConstruct scons: Require python 2.7 2018-08-16 13:52:56 -07:00
VERSION bump version for 19.0 branch 2019-01-29 15:30:25 -08:00

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.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.