Gert Wollny 806a42fc47 r600: compare structure elements instead of doing a memcmp
Structures might be padded by the compiler and these padding bytes remain
un-initialized which in turn makes memcmp return a difference where from
the logical point of view there is none.

 Fixes valgrind:
     Conditional jump or move depends on uninitialised value(s)
       at 0x4C32CBA: __memcmp_sse4_1 (vg_replace_strmem.c:1099)
       by 0xB8D2537: r600_set_vertex_buffers (r600_state_common.c:573)
       by 0xB71D44A: u_vbuf_set_driver_vertex_buffers (u_vbuf.c:1129)
       by 0xB71F7BB: u_vbuf_draw_vbo (u_vbuf.c:1153)
       by 0xB3B92CB: st_draw_vbo (st_draw.c:235)
       by 0xB36B1AE: vbo_draw_arrays (vbo_exec_array.c:391)
       by 0xB36BB0D: vbo_exec_DrawArrays (vbo_exec_array.c:550)
       by 0x10A989: piglit_display (textureSize.c:157)
       by 0x4F8F174: run_test (piglit_fbo_framework.c:52)
       by 0x4F7BA12: piglit_gl_test_run (piglit-framework-gl.c:229)
       by 0x10A60A: main (textureSize.c:71)
     Uninitialised value was created by a stack allocation
       at 0xB3948FD: st_update_array (st_atom_array.c:388)

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
2018-07-05 07:59:07 +02:00
2016-08-30 16:44:00 -04:00
2017-09-06 17:48:50 +01:00
2018-06-16 18:09:20 +01:00
2017-09-25 12:05:44 +01:00
2018-04-22 09:35:56 -07:00

`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.
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