Find a file
Tapani Pälli 460287adca iris: initialize shared screen->vtbl only once
Screen is shared among contexts, other context might be already using
vtbl while another initializes it again.

 ==45872== Possible data race during write of size 8 at 0x5DDAE78 by thread #549
 ==45872== Locks held: 1, at address 0x5D1B6F8
 ==45872==    at 0x6D66D91: gen9_init_state (iris_state.c:7816)
 ==45872==    by 0x6BA0A31: iris_create_context (iris_context.c:342)
 ==45872==    by 0x621F390: st_api_create_context (st_manager.c:917)
 ==45872==    by 0x620E6F9: dri_create_context (dri_context.c:163)
 ==45872==    by 0x6A40DB1: driCreateContextAttribs (dri_util.c:480)
 ==45872==    by 0x540B963: dri2_create_context (egl_dri2.c:1583)
 ==45872==    by 0x53FB84E: eglCreateContext (eglapi.c:821)
 ==45872==
 ==45872== This conflicts with a previous read of size 8 by thread #544
 ==45872== Locks held: 1, at address 0x5F6E0E0
 ==45872==    at 0x6CB779E: blorp_alloc_binding_table (iris_blorp.c:167)
 ==45872==    by 0x6CAEF70: blorp_emit_surface_states (blorp_genX_exec.h:1540)
 ==45872==    by 0x6CB67F9: blorp_exec (blorp_genX_exec.h:2016)
 ==45872==    by 0x6CB7AFE: iris_blorp_exec (iris_blorp.c:307)
 ==45872==    by 0x70F5916: try_blorp_blit (blorp_blit.c:2145)
 ==45872==    by 0x70F5FCA: do_blorp_blit (blorp_blit.c:2273)
 ==45872==    by 0x70F778F: blorp_copy (blorp_blit.c:2803)
 ==45872==    by 0x6BB9EB6: iris_copy_region (iris_blit.c:725)

v2: move as genX(init_screen_state) (Lionel)

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
.appveyor appveyor: Use Python3. 2020-08-06 09:46:48 +00:00
.gitlab/issue_templates gitlab: ask for more detailed info about GPU 2020-08-20 11:56:19 +00:00
.gitlab-ci gallivm: fix float atomic exchange. 2020-11-16 06:53:20 +10:00
bin android_stub: Update platform headers to include gralloc1.h. 2020-10-19 18:41:50 +00:00
build-support configure: commit test files 2017-10-16 16:32:43 -07:00
docs radeonsi: remove AMD_DEBUG=zerovram flag 2020-11-13 11:19:58 +00:00
doxygen doxygen: Plumb through gallium/ to automated documentation 2016-05-30 17:53:45 +01:00
include drm/uapi: Fix modifier field mask for AMD modifiers. 2020-11-14 12:38:51 +00:00
scons scons/windows: Support build with LLVM 11. 2020-10-23 17:17:01 -07:00
src iris: initialize shared screen->vtbl only once 2020-11-16 05:53:20 +00:00
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 ci/db410c: Fix networking so we get artifacts from our jobs. 2020-11-11 17:22:47 +00:00
.mailmap .mailmap: add an alias for Andres Gomez 2020-04-30 14:33:20 +03:00
.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 2020-08-17 10:47:41 +00:00
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: verify that d3d12.h exists when building the d3d12 driver 2020-11-13 08:40:52 +00:00
meson_options.txt d3d12: introduce d3d12 gallium driver 2020-11-10 15:37:07 +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 21.0 devel 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.