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8 Commits

Author SHA1 Message Date
Rhys Perry 24a18b1a4b nir: scalarize fdot in reverse 
This will create code that is easier to combine into MADs/FMA when the
last component is 1.0.

nir_opt_algebraic_late has an optimization to do something similar but it
only works for inexact code, if the multiplication-by-1 optimization is
done before it and if the backend enables fuse_ffma.

fossil-db (Navi):
Totals from 85583 (74.64% of 114665) affected shaders:
SGPRs: 4556060 -> 4558596 (+0.06%); split: -0.07%, +0.12%
VGPRs: 3315060 -> 3312984 (-0.06%); split: -0.23%, +0.17%
SpillSGPRs: 13552 -> 13553 (+0.01%)
CodeSize: 184962756 -> 184431388 (-0.29%); split: -0.32%, +0.03%
MaxWaves: 1208693 -> 1209361 (+0.06%); split: +0.17%, -0.11%
Instrs: 35678819 -> 35361617 (-0.89%); split: -0.91%, +0.02%

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5631>
 2020-11-03 14:56:00 +00:00
Connor Abbott f2ae8d116a freedreno/a6xx: Implement user clip/cull distances 
Also, plumb things through ir3 so that we don't lower clip planes to
discard anymore.

This seems to fix some artifacts in the neverball trace.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6959>
 2020-10-23 11:09:18 +00:00
Eric Anholt e8c5f8b9d3 nir/lower_clip: Add i/o semantics for load/store intrinsics. 
ir3 looks at the .location on its inputs for handling
non-VARYING_SLOT_POS, but our uninitialized semantics matched that and
threw a compiler assertion failure.

Fixes: 502abfce7f ("nir: save IO semantics in lowered IO intrinsics")
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6716>
 2020-09-28 17:35:30 +00:00
Eric Anholt 4ed904989f ci/freedreno: Add trace tests for glxgears, 0 A.D., and xonotic. 
glxgears is now trimmed to not be tons of frames, and we've picked up a
couple more traces in the public repo.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6716>
 2020-09-28 17:35:30 +00:00
Eric Anholt 8538b7d270 ci/freedreno: Sort the traces in the .yml of expectations 
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6716>
 2020-09-28 17:35:30 +00:00
Marek Olšák 57bf4c2028 nir,radeonsi: move ffma fusing to late optimizations for better codegen 
The freedreno trace changes were suggested by Rob Clark.

ALU performance is higher, because ffma is used more often, but so is
register usage, because trinary opcodes (such as ffma) usually need
at least 3 live registers.

54793 shaders in 33659 tests
Totals:
SGPRS: 2639746 -> 2642938 (0.12 %)
VGPRS: 1534120 -> 1536392 (0.15 %)
Spilled SGPRs: 3541 -> 3618 (2.17 %)
Spilled VGPRs: 33 -> 44 (33.33 %)
Scratch size: 292 -> 312 (6.85 %) dwords per thread
Code Size: 55639836 -> 55620116 (-0.04 %) bytes
Max Waves: 964785 -> 963977 (-0.08 %)

Totals from affected shaders:
SGPRS: 1105800 -> 1108992 (0.29 %)
VGPRS: 635292 -> 637564 (0.36 %)
Spilled SGPRs: 3193 -> 3270 (2.41 %)
Spilled VGPRs: 33 -> 44 (33.33 %)
Scratch size: 36 -> 56 (55.56 %) dwords per thread
Code Size: 31568708 -> 31548988 (-0.06 %) bytes
Max Waves: 319991 -> 319183 (-0.25 %)

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6596>
 2020-09-16 02:39:02 +00:00
Marek Olšák 50d335804f nir/algebraic: add late optimizations that optimize out mediump conversions (v3) 
v2: move *2*mp patterns to the end of late_optimizations
v3: remove ftrunc from the optimizations to fix:
    dEQP-GLES3.functional.shaders.builtin_functions.common.modf.vec2_lowp_vertex

Reviewed-by: Rob Clark <robdclark@chromium.org> (v1)
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6283>
 2020-09-10 23:35:13 +00:00
Tomeu Vizoso 7d5f4d3f70 ci: Split traces.yml file per driver 
As drivers have been tested with more and more traces, the yml file is
becoming a bit unwieldy. As more drivers are going to be tested with
traces, and more traces will be used, split them in per-driver files so
the size stays manageable.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Reviewed-By: Rohan Garg <rohan.garg@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6185>
 2020-08-19 07:47:48 +02:00
Renamed from .gitlab-ci/traces-baremetal.yml (Browse further)