Vasily Khoruzhick 764760314d lima: add native txp support
Currently lima uses generic TXP lowering that results in downgrading
coords precision to FP16 since we have to do some calculations with
coords instead of loading them directly from varying.

Mali4x0 has native TXP support, however coords and projector have to
come from a single source.

Add NIR lowering pass that combines coords and projector into a single
backend-specific source and use it instead of generic lowering.

Unfortunately this change regresses one test, but it also fails in blob and
disassembly is now identical.

shader-db diff:

total instructions in shared programs: 15623 -> 15603 (-0.13%)
instructions in affected programs: 877 -> 857 (-2.28%)
helped: 7
HURT: 0
helped stats (abs) min: 2 max: 8 x̄: 2.86 x̃: 2
helped stats (rel) min: 0.87% max: 10.53% x̄: 4.93% x̃: 1.85%
95% mean confidence interval for instructions value: -4.95 -0.76
95% mean confidence interval for instructions %-change: -9.31% -0.55%
Instructions are helped.

total loops in shared programs: 3 -> 3 (0.00%)
loops in affected programs: 0 -> 0
helped: 0
HURT: 0

total spills in shared programs: 136 -> 137 (0.74%)
spills in affected programs: 0 -> 1
helped: 0
HURT: 1

total fills in shared programs: 598 -> 602 (0.67%)
fills in affected programs: 0 -> 4
helped: 0
HURT: 1

Tested-by: Denis Pauk <pauk.denis@gmail.com>
Reviewed-by: Andreas Baierl <ichgeh@imkreisrum.de>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13111>
2021-11-16 19:13:42 +00:00
2021-11-16 19:13:42 +00:00
2021-11-03 20:48:43 +00:00
2021-10-13 20:52:19 +01:00

`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library
======================================================


Source
------

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---------------

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Meson (`docs/meson.rst <https://mesa3d.org/meson.html>`_):

.. code-block:: sh

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