Tapani Pälli 959c2d1edb egl/dri2: fix race between image create and egl_image_target_texture
All other functions calling _eglLookupImage hold the display lock.

 ==16659== Possible data race during write of size 8 at 0x5D1BCF0 by thread #2668
 ==16659== Locks held: 1, at address 0x5D1B6F8
 ==16659==    at 0x5405DDF: _eglLinkResource (egldisplay.c:454)
 ==16659==    by 0x53F9189: _eglLinkImage (eglimage.h:138)
 ==16659==    by 0x53FE2CA: _eglCreateImageCommon (eglapi.c:1740)
 ==16659==    by 0x53FE39A: eglCreateImageKHR (eglapi.c:1751)
 ==16659==
 ==16659== This conflicts with a previous read of size 8 by thread #2664
 ==16659== Locks held: 1, at address 0x5308D00
 ==16659==    at 0x5405C06: _eglCheckResource (egldisplay.c:387)
 ==16659==    by 0x5408C92: _eglLookupImage (eglimage.h:162)
 ==16659==    by 0x5409E96: dri2_lookup_egl_image (egl_dri2.c:688)
 ==16659==    by 0x6210AAF: dri2_lookup_egl_image (dri_helpers.c:250)
 ==16659==    by 0x6212843: dri_get_egl_image (dri_screen.c:470)
 ==16659==    by 0x625F7CC: st_get_egl_image (st_cb_eglimage.c:152)
 ==16659==    by 0x625FE7D: st_egl_image_target_texture_2d (st_cb_eglimage.c:354)
 ==16659==    by 0x6501C05: egl_image_target_texture (teximage.c:3446)

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7544>
2020-11-16 05:53:20 +00:00
2020-08-06 09:46:48 +00:00
2020-01-18 11:39:32 +01:00
2020-08-06 09:46:48 +00:00
2019-10-18 16:42:40 +00:00
2020-11-09 16:20:45 -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.
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