Iván Briano 4666ef720e anv: do not get rid of empty/useless fragment shaders
This was an optimization done a while ago that doesn't seem to be having
much of an impact anymore, and on the other hand, causes all sorts of
breakage with queries, as many of our HW counters don't get incremented
when rasterization is disabled.

This fixes a bunch of issues Zink has with ANV, but more importantly, it
fixes upcoming CTS tests:
dEQP-VK.transform_feedback.primitives_generated_query.*.empty_frag.*
dEQP-VK.transform_feedback.primitives_generated_query.*.no_attachment.*
dEQP-VK.transform_feedback.primitives_generated_query.*.color_write_disable_*

Cc: mesa-stable

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17038>
2022-06-16 14:42:12 +00:00
2022-01-19 15:17:17 +00:00
2022-05-31 18:32:59 +00:00
2022-04-12 10:42:31 +00:00

`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 `OFTC's #dri-devel
<irc://irc.oftc.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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