| Commit message (Collapse) | Author | Age | Files | Lines |
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min(a+b, c+d) >= 0 becomes (a+b >= 0 && c+d >= 0).
No shader-db changes, but it does prevent 6 to 12 instruction
regressions in the next patch on all measured Intel platforms.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Elie Tournier <[email protected]>
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v2: Rebase on almost 2 years. Require that one of the arguments to fmin
or fmax be used only once. This prevents some regressions.
shader-db results:
Skylake and Broadwell had similar results. Skylake shown.
total instructions in shared programs: 14526021 -> 14525913 (<.01%)
instructions in affected programs: 4613 -> 4505 (-2.34%)
helped: 31
HURT: 0
helped stats (abs) min: 1 max: 4 x̄: 3.48 x̃: 4
helped stats (rel) min: 0.62% max: 6.67% x̄: 3.31% x̃: 2.42%
total cycles in shared programs: 533118710 -> 533118403 (<.01%)
cycles in affected programs: 34334 -> 34027 (-0.89%)
helped: 24
HURT: 0
helped stats (abs) min: 4 max: 24 x̄: 12.79 x̃: 14
helped stats (rel) min: 0.25% max: 2.40% x̄: 1.08% x̃: 1.03%
No changes on GM45, Iron Lake, Sandy Bridge, Ivy Bridge, or Haswell.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Elie Tournier <[email protected]>
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shader-db results:
Skylake and Broadwell had similar results (Skylake shown)
total instructions in shared programs: 14525898 -> 14525836 (<.01%)
instructions in affected programs: 1964 -> 1902 (-3.16%)
helped: 14
HURT: 0
helped stats (abs) min: 1 max: 25 x̄: 4.43 x̃: 1
helped stats (rel) min: 0.68% max: 9.77% x̄: 2.10% x̃: 0.86%
95% mean confidence interval for instructions value: -9.46 0.60
95% mean confidence interval for instructions %-change: -3.97% -0.24%
Inconclusive result (value mean confidence interval includes 0).
total cycles in shared programs: 533119892 -> 533115756 (<.01%)
cycles in affected programs: 96061 -> 91925 (-4.31%)
helped: 13
HURT: 1
helped stats (abs) min: 60 max: 596 x̄: 318.77 x̃: 300
helped stats (rel) min: 1.15% max: 5.49% x̄: 4.27% x̃: 4.42%
HURT stats (abs) min: 8 max: 8 x̄: 8.00 x̃: 8
HURT stats (rel) min: 0.46% max: 0.46% x̄: 0.46% x̃: 0.46%
95% mean confidence interval for cycles value: -379.43 -211.43
95% mean confidence interval for cycles %-change: -4.84% -3.01%
Cycles are helped.
Haswell, Ivy Bridge and Sandy Bridge had similar results (Haswell shown).
total instructions in shared programs: 9033948 -> 9033898 (<.01%)
instructions in affected programs: 535 -> 485 (-9.35%)
helped: 2
HURT: 0
total cycles in shared programs: 84631402 -> 84628949 (<.01%)
cycles in affected programs: 63197 -> 60744 (-3.88%)
helped: 13
HURT: 2
helped stats (abs) min: 1 max: 594 x̄: 189.62 x̃: 140
helped stats (rel) min: 0.07% max: 5.04% x̄: 3.79% x̃: 4.01%
HURT stats (abs) min: 4 max: 8 x̄: 6.00 x̃: 6
HURT stats (rel) min: 0.17% max: 0.45% x̄: 0.31% x̃: 0.31%
95% mean confidence interval for cycles value: -253.40 -73.67
95% mean confidence interval for cycles %-change: -4.24% -2.25%
Cycles are helped.
No changes on GM45 or Iron Lake.
v2: Add a couple more tautological compares. Suggested by Elie.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Elie Tournier <[email protected]>
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If both comparisons are used as sources for instructions other than the
ior, this transformation is detrimental. If the non-identical value in
both compares is constant, the fmin or fmax will be constant-folded
away, so the transformation is always a win.
shader-db results:
Skylake
total instructions in shared programs: 14526147 -> 14525898 (<.01%)
instructions in affected programs: 70239 -> 69990 (-0.35%)
helped: 102
HURT: 0
helped stats (abs) min: 1 max: 8 x̄: 2.44 x̃: 1
helped stats (rel) min: 0.07% max: 2.30% x̄: 0.38% x̃: 0.20%
95% mean confidence interval for instructions value: -2.86 -2.02
95% mean confidence interval for instructions %-change: -0.46% -0.31%
Instructions are helped.
total cycles in shared programs: 533120531 -> 533119892 (<.01%)
cycles in affected programs: 994875 -> 994236 (-0.06%)
helped: 76
HURT: 26
helped stats (abs) min: 1 max: 324 x̄: 27.09 x̃: 13
helped stats (rel) min: <.01% max: 4.21% x̄: 0.45% x̃: 0.18%
HURT stats (abs) min: 1 max: 167 x̄: 54.62 x̃: 26
HURT stats (rel) min: <.01% max: 4.36% x̄: 1.01% x̃: 0.39%
95% mean confidence interval for cycles value: -19.44 6.91
95% mean confidence interval for cycles %-change: -0.30% 0.15%
Inconclusive result (value mean confidence interval includes 0).
Broadwell
total instructions in shared programs: 14816005 -> 14815787 (<.01%)
instructions in affected programs: 64658 -> 64440 (-0.34%)
helped: 97
HURT: 0
helped stats (abs) min: 1 max: 8 x̄: 2.25 x̃: 1
helped stats (rel) min: 0.07% max: 2.30% x̄: 0.38% x̃: 0.20%
95% mean confidence interval for instructions value: -2.62 -1.87
95% mean confidence interval for instructions %-change: -0.45% -0.30%
Instructions are helped.
total cycles in shared programs: 559340386 -> 559339907 (<.01%)
cycles in affected programs: 1090491 -> 1090012 (-0.04%)
helped: 66
HURT: 28
helped stats (abs) min: 2 max: 198 x̄: 23.83 x̃: 16
helped stats (rel) min: 0.01% max: 4.21% x̄: 0.47% x̃: 0.27%
HURT stats (abs) min: 2 max: 226 x̄: 39.07 x̃: 11
HURT stats (rel) min: <.01% max: 4.61% x̄: 0.64% x̃: 0.20%
95% mean confidence interval for cycles value: -15.94 5.75
95% mean confidence interval for cycles %-change: -0.35% 0.07%
Inconclusive result (value mean confidence interval includes 0).
LOST: 0
GAINED: 1
Haswell
total instructions in shared programs: 9034106 -> 9033948 (<.01%)
instructions in affected programs: 24096 -> 23938 (-0.66%)
helped: 38
HURT: 0
helped stats (abs) min: 1 max: 8 x̄: 4.16 x̃: 4
helped stats (rel) min: 0.42% max: 2.29% x̄: 0.71% x̃: 0.64%
95% mean confidence interval for instructions value: -4.71 -3.60
95% mean confidence interval for instructions %-change: -0.84% -0.58%
Instructions are helped.
total cycles in shared programs: 84631628 -> 84631402 (<.01%)
cycles in affected programs: 148674 -> 148448 (-0.15%)
helped: 14
HURT: 14
helped stats (abs) min: 1 max: 114 x̄: 22.14 x̃: 12
helped stats (rel) min: 0.02% max: 2.98% x̄: 0.66% x̃: 0.21%
HURT stats (abs) min: 1 max: 10 x̄: 6.00 x̃: 5
HURT stats (rel) min: 0.01% max: 0.20% x̄: 0.12% x̃: 0.11%
95% mean confidence interval for cycles value: -19.42 3.28
95% mean confidence interval for cycles %-change: -0.59% 0.05%
Inconclusive result (value mean confidence interval includes 0).
Ivy Bridge
total instructions in shared programs: 10015456 -> 10015293 (<.01%)
instructions in affected programs: 27701 -> 27538 (-0.59%)
helped: 38
HURT: 0
helped stats (abs) min: 1 max: 9 x̄: 4.29 x̃: 4
helped stats (rel) min: 0.33% max: 2.79% x̄: 0.66% x̃: 0.52%
95% mean confidence interval for instructions value: -4.87 -3.71
95% mean confidence interval for instructions %-change: -0.82% -0.51%
Instructions are helped.
total cycles in shared programs: 87524771 -> 87524569 (<.01%)
cycles in affected programs: 112324 -> 112122 (-0.18%)
helped: 6
HURT: 12
helped stats (abs) min: 2 max: 111 x̄: 44.67 x̃: 20
helped stats (rel) min: 0.02% max: 2.94% x̄: 1.45% x̃: 1.26%
HURT stats (abs) min: 1 max: 16 x̄: 5.50 x̃: 5
HURT stats (rel) min: <.01% max: 0.16% x̄: 0.08% x̃: 0.08%
95% mean confidence interval for cycles value: -29.14 6.69
95% mean confidence interval for cycles %-change: -0.93% 0.08%
Inconclusive result (value mean confidence interval includes 0).
LOST: 0
GAINED: 2
Sandy Bridge
total instructions in shared programs: 10545655 -> 10545465 (<.01%)
instructions in affected programs: 37198 -> 37008 (-0.51%)
helped: 42
HURT: 0
helped stats (abs) min: 1 max: 8 x̄: 4.52 x̃: 4
helped stats (rel) min: 0.31% max: 2.15% x̄: 0.58% x̃: 0.49%
95% mean confidence interval for instructions value: -5.14 -3.91
95% mean confidence interval for instructions %-change: -0.68% -0.47%
Instructions are helped.
total cycles in shared programs: 146113059 -> 146112427 (<.01%)
cycles in affected programs: 423514 -> 422882 (-0.15%)
helped: 32
HURT: 10
helped stats (abs) min: 4 max: 162 x̄: 24.34 x̃: 12
helped stats (rel) min: 0.06% max: 2.74% x̄: 0.37% x̃: 0.11%
HURT stats (abs) min: 12 max: 19 x̄: 14.70 x̃: 14
HURT stats (rel) min: 0.10% max: 0.18% x̄: 0.16% x̃: 0.14%
95% mean confidence interval for cycles value: -26.03 -4.07
95% mean confidence interval for cycles %-change: -0.43% -0.05%
Cycles are helped.
Iron Lake
total instructions in shared programs: 7886959 -> 7886925 (<.01%)
instructions in affected programs: 1340 -> 1306 (-2.54%)
helped: 4
HURT: 0
helped stats (abs) min: 2 max: 15 x̄: 8.50 x̃: 8
helped stats (rel) min: 0.63% max: 4.30% x̄: 2.45% x̃: 2.43%
95% mean confidence interval for instructions value: -20.44 3.44
95% mean confidence interval for instructions %-change: -5.78% 0.89%
Inconclusive result (value mean confidence interval includes 0).
total cycles in shared programs: 178116996 -> 178116888 (<.01%)
cycles in affected programs: 6262 -> 6154 (-1.72%)
helped: 2
HURT: 2
helped stats (abs) min: 44 max: 78 x̄: 61.00 x̃: 61
helped stats (rel) min: 3.31% max: 3.94% x̄: 3.62% x̃: 3.62%
HURT stats (abs) min: 6 max: 8 x̄: 7.00 x̃: 7
HURT stats (rel) min: 0.34% max: 0.68% x̄: 0.51% x̃: 0.51%
95% mean confidence interval for cycles value: -93.27 39.27
95% mean confidence interval for cycles %-change: -5.38% 2.27%
Inconclusive result (value mean confidence interval includes 0).
GM45
total instructions in shared programs: 4857887 -> 4857870 (<.01%)
instructions in affected programs: 674 -> 657 (-2.52%)
helped: 2
HURT: 0
total cycles in shared programs: 122180816 -> 122180744 (<.01%)
cycles in affected programs: 3764 -> 3692 (-1.91%)
helped: 1
HURT: 1
helped stats (abs) min: 78 max: 78 x̄: 78.00 x̃: 78
helped stats (rel) min: 3.94% max: 3.94% x̄: 3.94% x̃: 3.94%
HURT stats (abs) min: 6 max: 6 x̄: 6.00 x̃: 6
HURT stats (rel) min: 0.34% max: 0.34% x̄: 0.34% x̃: 0.34%
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Elie Tournier <[email protected]>
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Doing the same for the existing feq and fne transformations didn't help
anything in shader-db.
shader-db results:
Broadwell and Skylake (Skylake shown)
total instructions in shared programs: 14529463 -> 14526147 (-0.02%)
instructions in affected programs: 402420 -> 399104 (-0.82%)
helped: 2136
HURT: 131
helped stats (abs) min: 1 max: 10 x̄: 1.61 x̃: 1
helped stats (rel) min: 0.03% max: 16.22% x̄: 3.14% x̃: 1.12%
HURT stats (abs) min: 1 max: 2 x̄: 1.01 x̃: 1
HURT stats (rel) min: 0.13% max: 7.69% x̄: 0.75% x̃: 0.57%
95% mean confidence interval for instructions value: -1.51 -1.41
95% mean confidence interval for instructions %-change: -3.06% -2.78%
Instructions are helped.
total cycles in shared programs: 533146915 -> 533120531 (<.01%)
cycles in affected programs: 10356261 -> 10329877 (-0.25%)
helped: 1933
HURT: 844
helped stats (abs) min: 1 max: 490 x̄: 29.44 x̃: 16
helped stats (rel) min: <.01% max: 28.57% x̄: 3.43% x̃: 1.88%
HURT stats (abs) min: 1 max: 423 x̄: 36.17 x̃: 12
HURT stats (rel) min: <.01% max: 23.75% x̄: 1.90% x̃: 0.59%
95% mean confidence interval for cycles value: -11.78 -7.22
95% mean confidence interval for cycles %-change: -1.98% -1.65%
Cycles are helped.
Haswell
total instructions in shared programs: 9037416 -> 9034106 (-0.04%)
instructions in affected programs: 389831 -> 386521 (-0.85%)
helped: 2184
HURT: 120
helped stats (abs) min: 1 max: 11 x̄: 1.57 x̃: 1
helped stats (rel) min: 0.03% max: 25.00% x̄: 2.73% x̃: 1.02%
HURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel) min: 0.19% max: 7.69% x̄: 0.81% x̃: 0.57%
95% mean confidence interval for instructions value: -1.49 -1.39
95% mean confidence interval for instructions %-change: -2.68% -2.41%
Instructions are helped.
total cycles in shared programs: 84636243 -> 84631628 (<.01%)
cycles in affected programs: 4745058 -> 4740443 (-0.10%)
helped: 1904
HURT: 960
helped stats (abs) min: 1 max: 466 x̄: 30.21 x̃: 18
helped stats (rel) min: 0.02% max: 36.36% x̄: 3.57% x̃: 2.38%
HURT stats (abs) min: 1 max: 1080 x̄: 55.11 x̃: 14
HURT stats (rel) min: 0.02% max: 51.33% x̄: 2.77% x̃: 0.81%
95% mean confidence interval for cycles value: -4.51 1.29
95% mean confidence interval for cycles %-change: -1.64% -1.25%
Inconclusive result (value mean confidence interval includes 0).
LOST: 1
GAINED: 0
Sandy Bridge and Ivy Bridge (Ivy Bridge shown)
total instructions in shared programs: 10018873 -> 10015456 (-0.03%)
instructions in affected programs: 512820 -> 509403 (-0.67%)
helped: 2268
HURT: 162
helped stats (abs) min: 1 max: 11 x̄: 1.62 x̃: 1
helped stats (rel) min: 0.03% max: 25.00% x̄: 2.47% x̃: 0.88%
HURT stats (abs) min: 1 max: 4 x̄: 1.59 x̃: 1
HURT stats (rel) min: 0.09% max: 7.69% x̄: 0.86% x̃: 0.50%
95% mean confidence interval for instructions value: -1.46 -1.35
95% mean confidence interval for instructions %-change: -2.38% -2.12%
Instructions are helped.
total cycles in shared programs: 87538223 -> 87524771 (-0.02%)
cycles in affected programs: 5435520 -> 5422068 (-0.25%)
helped: 1916
HURT: 946
helped stats (abs) min: 1 max: 1392 x̄: 29.44 x̃: 18
helped stats (rel) min: <.01% max: 34.51% x̄: 3.34% x̃: 1.97%
HURT stats (abs) min: 1 max: 633 x̄: 45.41 x̃: 11
HURT stats (rel) min: 0.02% max: 25.95% x̄: 2.41% x̃: 0.62%
95% mean confidence interval for cycles value: -7.34 -2.06
95% mean confidence interval for cycles %-change: -1.62% -1.26%
Cycles are helped.
LOST: 1
GAINED: 0
Iron Lake
total instructions in shared programs: 7888446 -> 7886959 (-0.02%)
instructions in affected programs: 331581 -> 330094 (-0.45%)
helped: 1160
HURT: 97
helped stats (abs) min: 1 max: 10 x̄: 1.37 x̃: 1
helped stats (rel) min: 0.02% max: 9.68% x̄: 0.93% x̃: 0.43%
HURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel) min: 0.17% max: 4.17% x̄: 0.37% x̃: 0.25%
95% mean confidence interval for instructions value: -1.25 -1.12
95% mean confidence interval for instructions %-change: -0.91% -0.75%
Instructions are helped.
total cycles in shared programs: 178130766 -> 178116996 (<.01%)
cycles in affected programs: 12534564 -> 12520794 (-0.11%)
helped: 1856
HURT: 187
helped stats (abs) min: 2 max: 202 x̄: 7.78 x̃: 4
helped stats (rel) min: <.01% max: 6.47% x̄: 0.28% x̃: 0.11%
HURT stats (abs) min: 2 max: 26 x̄: 3.55 x̃: 2
HURT stats (rel) min: 0.01% max: 2.14% x̄: 0.08% x̃: 0.02%
95% mean confidence interval for cycles value: -7.41 -6.07
95% mean confidence interval for cycles %-change: -0.28% -0.22%
Cycles are helped.
GM45
total instructions in shared programs: 4858912 -> 4857887 (-0.02%)
instructions in affected programs: 237565 -> 236540 (-0.43%)
helped: 867
HURT: 57
helped stats (abs) min: 1 max: 10 x̄: 1.25 x̃: 1
helped stats (rel) min: 0.02% max: 9.38% x̄: 0.87% x̃: 0.43%
HURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel) min: 0.16% max: 3.85% x̄: 0.34% x̃: 0.22%
95% mean confidence interval for instructions value: -1.18 -1.04
95% mean confidence interval for instructions %-change: -0.88% -0.71%
Instructions are helped.
total cycles in shared programs: 122189118 -> 122180816 (<.01%)
cycles in affected programs: 8776418 -> 8768116 (-0.09%)
helped: 1213
HURT: 166
helped stats (abs) min: 2 max: 202 x̄: 7.30 x̃: 4
helped stats (rel) min: <.01% max: 6.43% x̄: 0.25% x̃: 0.11%
HURT stats (abs) min: 2 max: 26 x̄: 3.35 x̃: 2
HURT stats (rel) min: 0.01% max: 2.14% x̄: 0.06% x̃: 0.02%
95% mean confidence interval for cycles value: -6.78 -5.26
95% mean confidence interval for cycles %-change: -0.24% -0.18%
Cycles are helped.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Elie Tournier <[email protected]>
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This will be used for freedreno and vc4 which require all inputs
and outputs to be copied to temps.
Reviewed-by: Marek Olšák <[email protected]>
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We need this because we will always copy fs outputs to temps and
split the arrays, but do not want to do either of these with fs
inputs as it is unnessisary and makes handling interpolateAt
builtins difficult.
Reviewed-by: Marek Olšák <[email protected]>
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c2acf97fcc9b32e changed the use of double_inputs_read to be
inconsitent with its previous meaning. Here we re-enable the
gather info code that was removed as the modified code from
c2acf97fcc9b32e now uses the double_inputs member rather than
double_inputs_read.
This change allows us to use double_inputs_read with gallium
drivers without impacting double_inputs which is used by i965.
We also make use of the compiler option vs_inputs_dual_locations
to allow for the difference in behaviour between drivers that handle
vs inputs as taking up two locations for doubles, versus those that
treat them as taking a single location.
Reviewed-by: Karol Herbst <[email protected]>
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Allows nir drivers to either use a single or dual locations for
vs double inputs.
i965 uses dual locations for both OpenGL and Vulkan drivers, for
now gallium OpenGL drivers only use a single location.
The following patch will also make use of this option when
calling nir_shader_gather_info().
Reviewed-by: Karol Herbst <[email protected]>
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First we move double_inputs_read into a vs struct in the union,
double_inputs_read is only used for vs inputs so this will
save space and also allows us to add a new double_inputs field.
We add the new field because c2acf97fcc9b changed the behaviour
of double_inputs_read, and while it's no longer used to track
actual reads in i965 we do still want to track this for gallium
drivers.
Reviewed-by: Marek Olšák <[email protected]>
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This change cleans following scary warnings in valgrind output
when disk cache is being written:
==6532== Uninitialised byte(s) found during client check request
==6532== at 0x14423FAD: blob_write_bytes (blob.c:152)
==6532== by 0x144240FB: blob_write_uint32 (blob.c:194)
==6532== by 0x144001A5: write_tex (nir_serialize.c:613)
and later (loads of):
==6532== Use of uninitialised value of size 8
==6532== at 0x62FCD9E: crc32_z (in /usr/lib64/libz.so.1.2.11)
==6532== by 0x13F65014: util_hash_crc32 (crc32.c:127)
==6532== by 0x13F5DABA: cache_put (disk_cache.c:947)
Signed-off-by: Tapani Pälli <[email protected]>
Cc: [email protected]
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>
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To avoid compilation warnings and because this helper
shouldn't update anything.
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
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This creates two new internal dependencies, idep_nir_headers and
idep_nir. The former encapsulates the generation of nir_opcodes.h and
nir_builder_opcodes.h and adding src/compiler/nir as an include path.
This ensures that any target that needs nir headers will have the
includes and that the generated headers will be generated before the
target is build. The second, idep_nir, includes the first and
additionally links to libnir.
This is intended to make it easier to avoid race conditions in the build
when using nir, since the number of consumers for libnir and it's
headers are quite high.
Acked-by: Eric Engestrom <[email protected]>
Signed-off-by: Dylan Baker <[email protected]>
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Don't use intermediate variables, use consistent whitespace.
Acked-by: Eric Engestrom <[email protected]>
Signed-off-by: Dylan Baker <[email protected]>
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In file included from src/compiler/nir/nir_opt_algebraic.c:4:0:
src/compiler/nir/nir_search_helpers.h: In function ‘is_not_const’:
src/compiler/nir/nir_search_helpers.h:118:59: warning: unused parameter
‘num_components’ [-Wunused-parameter]
is_not_const(nir_alu_instr *instr, unsigned src, unsigned num_components,
^~~~~~~~~~~~~~
src/compiler/nir/nir_search_helpers.h:119:29: warning: unused parameter
‘swizzle ’ [-Wunused-parameter]
const uint8_t *swizzle)
^~~~~~~
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Alejandro Piñeiro <[email protected]>
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For GL_ARB_compute_variable_group_size
Reported-by: Karol Herbst <[email protected]>
Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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If we don't remap and output this code would trample the outputs
read bits.
This fixes a regression in
dEQP-VK.tessellation.shader_input_output.barrier
Fixes: 1c9c42d16b4c (nir: add varying component packing helpers)
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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VC5 requires that all txd are lowered in the shader.
Reviewed-by: Ian Romanick <[email protected]>
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We want the clamping of the coordinate to apply after the offset, so we
need to do math to lower the offset out of the instruction. Fixes texwrap
offset cases for GL_CLAMP with GL_NEAREST on vc5.
Note: I moved the get_texture_size() verbatim, so that it was defined
before use.
Reviewed-by: Ian Romanick <[email protected]>
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Reviewed-by: Nicolai Hähnle <[email protected]>
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This autogenerated pass will automatically find and set the type field
on all vtn_values. This way we always have the type and can use it for
validation and other checks.
Reviewed-by: Ian Romanick <[email protected]>
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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104119
CC: <[email protected]>
CC: Samuel Pitoiset <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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nir_type_conversion enables new operations to handle rounding modes to
convert to fp16 values. Two new opcodes are enabled nir_op_f2f16_rtne
and nir_op_f2f16_rtz.
The undefined behaviour doesn't has any effect and uses the original
nir_op_f2f16 operation.
v2: Indentation fixed (Jason Ekstrand)
v3: Use explicit case for undefined rounding and assert if
rounding mode is used for non 16-bit float conversions
(Jason Ekstrand)
Reviewed-by: Jason Ekstrand <[email protected]>
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This will include the following NIR ALU opcodes:
* nir_op_i2i16
* nir_op_i2f16
* nir_op_u2u16
* nir_op_u2f16
* nir_op_f2i16
* nir_op_f2u16
* nir_op_f2f16
v2: Remove "from" 16-bit in commit subject (Topi Pohjolainen)
Reviewed-by: Jason Ekstrand <[email protected]>
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v2: Added comments describing each of the rounding modes. (Jason
Ekstrand)
Reviewed-by: Jason Ekstrand <[email protected]>
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v2: Renamed glsl_half_float_type() to glsl_float16_t_type().
(Jason Ekstrand)
Signed-off-by: Jose Maria Casanova Crespo <[email protected]>
Signed-off-by: Eduardo Lima <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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This is required for being able to handle OpPtrAccessChain in SPIR-V
where the base type of the incoming pointer requires us to add to the
block index instead of the byte offset.
Reviewed-by: Kristian H. Kristensen <[email protected]>
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Galliums nir drivers expect this to be done.
Reviewed-by: Nicolai Hähnle <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
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The gallium glsl->nir pass currently lowers away all indirects on both inputs
and outputs. This fuction allows us to lower vs inputs and fs outputs and also
lower things one stage at a time as we don't need to worry about indirects
on the other side of the shaders interface.
Reviewed-by: Nicolai Hähnle <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
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This was just recreating the same vector type we alreay had and
hitting an assert for scalars.
Reviewed-by: Nicolai Hähnle <[email protected]>
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v2: update shader info input/output masks when pack components
v3: make sure interpolation loc matches, this is required for the
radeonsi NIR backend.
v4: 33dca36f4f28 fixed nir_gather_info to update outputs_read
correct, make sure we also adjust this correctly when
packing components.
Reviewed-by: Bas Nieuwenhuizen <[email protected]> (v1)
Reviewed-by: Nicolai Hähnle <[email protected]> (v3)
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V2:
- fix matrix support, non-array matrices were being skipped in v1
v3:
- handle lowering of tcs output loads correctly
- correctly mark indirect locations for either in or out not both
when processing a stage.
- use nir_src_copy() when lowering stores.
Reviewed-by: Nicolai Hähnle <[email protected]>
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Signed-off-by: Eric Engestrom <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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nir_validate.c's #endif already had the correct NDEBUG comment
Fixes: dcb1acdea00a8f2c29777 "nir/validate: Only build in debug mode"
Fixes: 9ff71b649b4b3808a9e17 "i965/nir: Validate that NIR passes call nir_metadata_preserve()"
Signed-off-by: Eric Engestrom <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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This is to be used for TCS optimisations on radv.
v2: don't set written on reads (nha)
Reviewed-by: Timothy Arceri <[email protected]>
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GL doesn't have this, but some hardware supports it. This is convenient
for lowering tg4 to plain texture calls, which is necessary on Adreno
A4xx hardware.
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
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This intrinsic is produced to load SYSTEM_VALUE_VERTICES_IN, which is
generated to load gl_PatchVerticesIn in the SPIR-V path for both
Vulkan and OpenGL.
Reviewed-by: Marek Olšák <[email protected]>
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Gather operations in both GLSL and SPIR-V require a sampler. Fixes
gathers returning garbage when using separate texture/samplers (on AMD,
was using an invalid sampler descriptor).
Signed-off-by: Alex Smith <[email protected]>
Cc: "17.2 17.3" <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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This will be used by gallium drivers.
Reviewed-by: Marek Olšák <[email protected]>
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Overlooked initially, be we need to remap the SSBO index for this as
well.
Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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... as can happen with various types like mat4, or else we'll smash the
stack writing past the end of components_local[].
Fixes: 5a0d3e1129b7 ("nir: Print the components referenced for split or
packed shader in/outs.")
Reviewed-by: Jason Ekstrand <[email protected]>
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We were already validating that the parent type goes along with the
child type but we weren't actually validating that the parent type is
reasonable. This fixes that.
Acked-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
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The GL_ARB_shader_ballot spec says that gl_SubGroupSizeARB is declared
as a uniform. This means that it cannot change across an invocation
such as a draw call or a compute dispatch. For compute shaders, we're
ok because we only ever use one dispatch size. For fragment, however,
the hardware dynamically chooses between SIMD8 and SIMD16 which violates
the spec. Instead, let's just pick a subgroup size based on the shader
stage. The fixed size we choose for compute shaders is a bit higher
than strictly needed but there's no real harm in that. The advantage is
that, if they do anything interesting with the value, NIR will see it as
an immediate and can optimize better.
Acked-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
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Ballot intrinsics return a bitfield of subgroups. In GLSL and some
SPIR-V extensions, they return a uint64_t. In SPV_KHR_shader_ballot,
they return a uvec4. Also, some back-ends would rather pass around
32-bit values because it's easier than messing with 64-bit all the time.
To solve this mess, we make nir_lower_subgroups take a new parameter
called ballot_bit_size and it lowers whichever thing it gets in from the
source language (uint64_t or uvec4) to a scalar with the specified
number of bits. This replaces a chunk of the old lowering code.
Reviewed-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
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This lets you easily build integer immediates of arbitrary bit size.
Reviewed-by: Iago Toral Quiroga <[email protected]>
Reviewed-by: Lionel Landwerlin <[email protected]>
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The SUBGROUP_*_MASK system values are uint64_t when coming in from GLSL
but uvec4 when coming in from SPIR-V. Lowering based on type allows us
to nicely handle both.
Reviewed-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
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This way they can return either a uvec4 or a uint64_t. At the moment,
this is a no-op since we still always return a uint64_t.
Reviewed-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
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This would be useful a number of places
Reviewed-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
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This commit pulls nir_lower_read_invocations_to_scalar along with most
of the guts of nir_opt_intrinsics (which mostly does subgroup lowering)
into a new nir_lower_subgroups pass. There are various other bits of
subgroup lowering that we're going to want to do so it makes a bit more
sense to keep it all together in one pass. We also move it in i965 to
happen after nir_lower_system_values to ensure that because we want to
handle the subgroup mask system value intrinsics here.
Reviewed-by: Iago Toral Quiroga <[email protected]>
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We're going to want subgroup ID for SPIR-V subgroups eventually anyway.
We really only want to push one and calculate the other from it. It
makes a bit more sense to push the subgroup ID because it's simpler to
calculate and because it's a real API thing. The only advantage to
pushing the base thread ID is to avoid a single SHL in the shader.
Reviewed-by: Iago Toral Quiroga <[email protected]>
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