Lucas Stach 1a79d5e861 etnaviv: use linear PE rendering only on properly aligned surfaces
When linear rendering is used together with TS, the color tiles must be fully
contained in a single row of pixels. When wrapping around to the next row
TS gets confused and records wrong tile status information, leading to visual
corruption when the surface is resolved/decompressed.

The corruption can be fixed by increasing the stride alignment for linear
render targets, but that would break some existing use-cases, as some display
engines used together with Vivante GPUs currently don't support strides that
don't match the horizontal display resolution.

For now only enable linear PE rendering when the surface is properly aligned
already. This allows to use the optimization in a lot of common use-cases, but
falls back to the proven tiled rendering with subsequent resolve into linear
for the problematic cases.

CC: mesa-stable #22.2
Fixes: 53445284a4 ("etnaviv: add linear PE support")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Tested-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18232>
(cherry picked from commit ea8fc9592c)

Conflicts:
	src/gallium/drivers/etnaviv/etnaviv_surface.c
2022-09-14 14:36:51 -07:00
2022-08-08 14:55:10 -07:00
2022-01-19 15:17:17 +00:00
2022-07-15 21:31:51 +00:00
2022-08-18 10:49:06 -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 & 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.
Description
No description provided
Readme 545 MiB
Languages
C 75.3%
C++ 18.2%
Python 2.7%
Assembly 1.5%
Rust 1.2%
Other 0.9%