Eric Anholt 1a286837bc freedreno/ir3: Validate our scheduling DAGs after construction.
This gives us some better explanation of a stack overflow in ir3_postsched
with shader-db:

IR3_SHADER_DEBUG=nouboopt ./run shaders/nexuiz/46.shader_test

DAG validation failed at:
  0x55f6570e8460: 0079:0107:002: 	_meta:collect r1.w (wrmask=0xff), r1.w, r2.x, r2.y, r2.z, r2.w, r3.x, r3.y, r3.z, false-deps:_[0098:0126:000:  mov.u32u32], _[0112:0143:000:  mov.u32u32], _[0087:0113:000:  mov.u32u32], _[0113:0144:000:  mov.u32u32], _[0099:0127:000:  mov.u32u32], _[0088:0114:000:  mov.u32u32]

Nodes in stack:
  0x55f657102050: 0079:0103:009: 	mov.u32u32 r1.w, r0.x, right=_[0080:0104:009:  mov.u32u32]

  0x55f6570e8460: 0079:0107:002: 	_meta:collect r1.w (wrmask=0xff), r1.w, r2.x, r2.y, r2.z, r2.w, r3.x, r3.y, r3.z, false-deps:_[0098:0126:000:  mov.u32u32], _[0112:0143:000:  mov.u32u32], _[0087:0113:000:  mov.u32u32], _[0113:0144:000:  mov.u32u32], _[0099:0127:000:  mov.u32u32], _[0088:0114:000:  mov.u32u32]

  0x55f657075f80: 0083:0108:007: 	samgq (f32)(xyz)r0.z (wrmask=0x7), r1.w (wrmask=0xff), s#3, t#3

  0x55f657051b60: 0104:0134:008: 	ldc.offset0 r3.x (wrmask=0xf), imm[0.000000,0,0x0], r9.w

  0x55f657103040: 0112:0143:000: 	mov.u32u32 r9.w, r0.x, right=_[0113:0144:000:  mov.u32u32]

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6656>
2022-09-29 23:40:18 +00:00
2022-09-29 16:45:04 +00:00
2022-09-29 05:00:10 +00:00
2022-09-12 05:58:12 +00:00
2022-01-19 15:17:17 +00:00
2022-08-03 17:16:14 +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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