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Tapani Pälli 3ed72705b3 mesa/st: call memobj_destroy only if there is memory imported
Something may go wrong during import which leaves pointer to null and
when ctx and it's shared state gets destroyed we will attempt to call
memobj_destroy. Instead of forcing every driver to handle it, add check
here.

Fixes crashes with Piglit test:
   ext_external_objects_fd-memory-object-api-errors

Fixes: 99cf910834 ("mesa/st: Actually free the driver part of memory objects on destruction.")
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Eleni Maria Stea <estea@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7403>
(cherry picked from commit e02e1ccbee)
2020-11-19 10:47:37 -08:00
.appveyor appveyor: Use Python3. 2020-08-06 09:46:48 +00:00
.gitlab/issue_templates gitlab: Ask about reproduction rate in the issue template 2020-05-20 10:20:00 +00:00
.gitlab-ci ci: Use ignore_scheduled_pipelines anchor in .radeonsi-rules 2020-09-24 09:32:14 -07:00
bin pick-ui: specify git commands in "resolve cherry pick" message 2020-08-11 09:35:47 -07:00
build-support configure: commit test files 2017-10-16 16:32:43 -07:00
docs dcs: Add sha256 sums for 20.2.2 2020-11-06 20:45:47 -08:00
doxygen doxygen: Plumb through gallium/ to automated documentation 2016-05-30 17:53:45 +01:00
include ci: Include enough Android headers to let us compile test EGL 2020-08-05 18:08:07 +00:00
scons scons/windows: Support build with LLVM 10. 2020-04-14 08:40:56 +00:00
src mesa/st: call memobj_destroy only if there is memory imported 2020-11-19 10:47:37 -08:00
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 meson: bump required glvnd version 2020-08-11 09:35:50 -07:00
.mailmap .mailmap: add an alias for Andres Gomez 2020-04-30 14:33:20 +03:00
.pick_status.json mesa/st: call memobj_destroy only if there is memory imported 2020-11-19 10:47:37 -08:00
.travis.yml travis: autodetect python version instead of hard-coding it 2019-12-21 20:23:08 +00:00
Android.common.mk tree-wide: fix deprecated GitLab URLs 2020-05-23 15:33:50 +00:00
Android.mk ac/llvm: handle static/shared llvm init separately 2020-08-18 07:32:07 -07:00
appveyor.yml appveyor: Use Python3. 2020-08-06 09:46:48 +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: fix power8 option 2020-10-05 11:27:29 -07:00
meson_options.txt ci: Include enough Android headers to let us compile test EGL 2020-08-05 18:08:07 +00:00
README.rst README: update references to internal docs 2020-06-13 10:42:01 +00:00
REVIEWERS REVIEWERS: add VMware reviewers 2019-10-18 16:42:40 +00:00
SConstruct tree-wide: fix deprecated GitLab URLs 2020-05-23 15:33:50 +00:00
VERSION Bump version for 20.2.2 release 2020-11-06 15:40:35 -08:00

`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 `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.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.