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Michal Srb 78aec0d3fb drisw: Use separate drisw_loader_funcs for shm
The original code was modifying the global drisw_lf variable, which is bad
when there are multiple contexts in single process, each initialized with
different loader. One may support put_image_shm and the other not.

Since there are currently only two possible combinations, lets create two
global tables, one for each. Lets make them const, since we won't change them
and they can be shared.

This fixes crash in VLC. It used two GL contexts (each in different thread), one
was initialized by its Qt GUI, the other by its video output plugin. The first
one set the put_image_shm=drisw_put_image_shm, the second did not, but
since the same structure was used, the drisw_put_image_shm was used too. Then
it crashed because the second loader did not have putImageShm set.

Downstream bug:
https://bugzilla.opensuse.org/show_bug.cgi?id=1113533

v2: Added Fixes and described the VLC bug.

Fixes: 63c427fa71 ("drisw: use putImageShm if available")
Signed-off-by: Michal Srb <msrb@suse.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
(cherry picked from commit 63c0916ada)
2018-12-05 17:51:54 +01:00
bin cherry-ignore: mesa: Revert INTEL_fragment_shader_ordering support 2018-12-04 12:16:37 +01:00
build-support configure: commit test files 2017-10-16 16:32:43 -07:00
docs docs: add sha256 checksums for 18.2.6 2018-11-28 19:14:21 +01:00
doxygen doxygen: Plumb through gallium/ to automated documentation 2016-05-30 17:53:45 +01:00
include i965: Add PCI IDs for new Amberlake parts that are Coffeelake based 2018-11-21 10:12:25 +01:00
m4 m4: add Werror when checking for compiler flags 2018-11-07 10:26:45 +01:00
scons scons/svga: remove opt from the list of valid build types 2018-11-21 10:12:25 +01:00
scripts get_reviewer.pl: fix mesa check 2016-08-30 16:44:00 -04:00
src drisw: Use separate drisw_loader_funcs for shm 2018-12-05 17:51:54 +01:00
.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: adding missing x11-xcb for meson+vulkan 2018-11-21 10:12:25 +01:00
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/svga: remove opt from the list of valid build types 2018-11-21 10:12:25 +01:00
configure.ac glx: make xf86vidmode mandatory for direct rendering 2018-11-21 10:12:25 +01:00
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 glx: make xf86vidmode mandatory for direct rendering 2018-11-21 10:12:25 +01:00
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 18.2.6 2018-11-28 18:38:40 +01:00

`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 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.