Pavel Ondračka e34bb4738a r300: move presubtract pass later
We want to move it after rc_remove_constants because we can't reswizzle
presubtract sources and we need to pack multiple uniforms into vec4
slots to be able to run glamor shaders on R400.

This mostly works OK, the detection logic just needs to recognize the
case when 2.0 was converted to inline constant.

RV530:
total instructions in shared programs: 129384 -> 129366 (-0.01%)
instructions in affected programs: 2078 -> 2060 (-0.87%)
helped: 16
HURT: 7
total presub in shared programs: 8404 -> 8421 (0.20%)
presub in affected programs: 423 -> 440 (4.02%)
helped: 19
HURT: 25
total omod in shared programs: 410 -> 429 (4.63%)
omod in affected programs: 10 -> 29 (190.00%)
helped: 0
HURT: 13
total temps in shared programs: 17560 -> 17561 (<.01%)
temps in affected programs: 34 -> 35 (2.94%)
helped: 3
HURT: 3
total lits in shared programs: 3006 -> 3021 (0.50%)
lits in affected programs: 267 -> 282 (5.62%)
helped: 13
HURT: 20
total cycles in shared programs: 197840 -> 197845 (<.01%)
cycles in affected programs: 4159 -> 4164 (0.12%)
helped: 13
HURT: 13

R420:
total instructions in shared programs: 103810 -> 103762 (-0.05%)
instructions in affected programs: 4176 -> 4128 (-1.15%)
helped: 29
HURT: 1
total presub in shared programs: 2724 -> 2878 (5.65%)
presub in affected programs: 478 -> 632 (32.22%)
helped: 6
HURT: 40
total omod in shared programs: 411 -> 421 (2.43%)
omod in affected programs: 3 -> 13 (333.33%)
helped: 0
HURT: 7
total temps in shared programs: 16841 -> 16852 (0.07%)
temps in affected programs: 814 -> 825 (1.35%)
helped: 5
HURT: 17
total cycles in shared programs: 162397 -> 162361 (-0.02%)
cycles in affected programs: 5746 -> 5710 (-0.63%)
helped: 30
HURT: 3

Signed-off-by: Pavel Ondračka <pavel.ondracka@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28428>
2024-04-12 15:35:49 +00:00
2024-04-10 14:25:02 +00:00
2022-11-22 19:04:13 +00:00
2024-03-13 15:21:07 +00:00
2024-04-11 01:32:09 +00:00
2024-04-12 15:35:49 +00:00
2024-04-08 20:28:43 +00:00
2024-01-24 10:02:10 +00:00
2023-11-02 11:37:46 +00:00
2024-01-24 10:53:14 +00:00
2024-01-11 11:05:47 +00:00

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


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