Reason for revert:
Breaks a couple Google3 goldens. I need to rebaseline google3 with -DSK_SUPPORT_LEGACY_X86_BLITS first, then reland this.
Original issue's description:
> Clean up two unlaunched SSE 4.1 8888 blits.
>
> This code was running on our bots but never in Chrome.
> That's a bad state to be in.
>
> My plan here use to be to redesign how our 8888 blits worked in SSE 4.1, mainly
> for perfect correctness but also for speed, then to spread what I learned there
> to SSE2, AVX+, and NEON.
>
> I have since lost interest in changing any aspect of how our legacy 8888 blits
> work. There's not much point in making them a bit or two more correct when the
> math is fundamentally wrong.
>
> This will cause many diffs in Gold, none perceptible.
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2062853002
> CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
>
> Committed: https://skia.googlesource.com/skia/+/6e472093009bf2fc4a8e53010b51040efcb71213TBR=reed@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
Review-Url: https://codereview.chromium.org/2066453003
Currently, Skia always uploads GPU textures at full resolution. This
change allows us to pass a pre-scale mip level to the
deferred texture image logic, which causes us to pre-scale the image
to the given mip level, and upload that mip level instead of the full
image.
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2007113008
Review-Url: https://codereview.chromium.org/2007113008
This code was running on our bots but never in Chrome.
That's a bad state to be in.
My plan here use to be to redesign how our 8888 blits worked in SSE 4.1, mainly
for perfect correctness but also for speed, then to spread what I learned there
to SSE2, AVX+, and NEON.
I have since lost interest in changing any aspect of how our legacy 8888 blits
work. There's not much point in making them a bit or two more correct when the
math is fundamentally wrong.
This will cause many diffs in Gold, none perceptible.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2062853002
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
Review-Url: https://codereview.chromium.org/2062853002
Tried to comment my logic, but it's totally possible that we run on some
device where this doesn't work. From a strict reading of the relevant
specs, what I'm doing shouldn't work on the Nexus 5X, but it's necessary
to get correct results.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2054223002
Review-Url: https://codereview.chromium.org/2054223002
To build shaderc, gyp used to punt to cmake, which did not work well on the bots and I couldn't find any way to pipe the variables into cmake which would have made it happy.
So, I wrote a gyp file for shaderc and its dependencies. Nothing super complicated (thank goodness), except for the files that spirv-tools needed generated.
BUG=skia:5186
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2047833003
Review-Url: https://codereview.chromium.org/2047833003
The custom font manager does not implement all onCreateFromStream
overloads leading to warnings. Since this needs to be implemented
anyway, implement it now.
BUG=skia:5412
Review-Url: https://codereview.chromium.org/2053903003
On my Mac (so, immintrin), this improves compile time, both wall and cpu,
by about 16%. To test I ran this on an SSD with files hot in their caches:
$ env CC=/usr/bin/clang CXX=/usr/bin/clang++ ./gyp_skia && \
ninja -C out/Release -t clean && \
time ninja -C out/Release
Before: 159 wall / 3367 cpu
159 wall / 3368 cpu
After: 137 wall / 2860 cpu
136 wall / 2863 cpu
I also tried further refining immintrin down to emmintrin / tmmintrin / smmintrin etc.
That made no signficant difference, so I've kept immintrin for its simplicity.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2045633002
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
TBR=reed@google.com
No public API changes.
Committed: https://skia.googlesource.com/skia/+/12dfaaa53c23f3d03050bde8f64136ac1f44164a
Review-Url: https://codereview.chromium.org/2045633002
Reason for revert:
Appears to have broken Test-Ubuntu-GCC-GCE-CPU-AVX2-x86-Debug
Original issue's description:
> Disable tail calls inside Simple GM functions.
>
> I haven't found any way to turn off the particular optimization (-foptimize-sibling-calls)
> per-function, but I can control optimization settings coarsely:
>
> - on GCC, we can pick a particular -O level, so I've picked -O1 which does not
> enable -foptimize-sibling-calls
> - on Clang, we can only disable all optimization for a function
> - have no idea about MSVC
>
> This should make sure the simple GM functions, e.g. all_bitmap_configs_GM(),
> show up on stack traces when we crash.
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2050473006
>
> Committed: https://skia.googlesource.com/skia/+/eee3ced68f787aadc47fa274ca8e13b354ec920aTBR=reed@google.com,mtklein@chromium.org
BUG=skia:
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86-Debug-Trybot
Review-Url: https://codereview.chromium.org/2051193002
This fixes serialize-8888 for 2 GMs on Mac that I'm now unblacklisting.
I think another was already fixed, and two more were Windows-only.
Seems safe to use encoded_size=1 as another sentinel here (like we already
use =0); I can't imagine any encoded image format that can encode an image
in a single byte.
I suspect this is the root of the referenced bug too,
but this is a good idea even if not.
BUG=chromium:601851
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2039813007
CQ_EXTRA_TRYBOTS=client.skia:Test-Win-MSVC-GCE-CPU-AVX2-x86_64-Release-Trybot,Test-Mac-Clang-MacMini6.2-CPU-AVX-x86_64-Release-Trybot;client.skia.android:Test-Android-GCC-Nexus5-CPU-NEON-Arm7-Release-Trybot,Test-Android-GCC-Nexus9-CPU-Denver-Arm64-Release-Trybot
Review-Url: https://codereview.chromium.org/2039813007
I haven't found any way to turn off the particular optimization (-foptimize-sibling-calls)
per-function, but I can control optimization settings coarsely:
- on GCC, we can pick a particular -O level, so I've picked -O1 which does not
enable -foptimize-sibling-calls
- on Clang, we can only disable all optimization for a function
- have no idea about MSVC
This should make sure the simple GM functions, e.g. all_bitmap_configs_GM(),
show up on stack traces when we crash.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2050473006
Review-Url: https://codereview.chromium.org/2050473006
SkMipMap only deals with the levels it generates.
That is to day, it deals with mipmap levels 1-x, not 0-x.
Other functions reflect thing when indexing.
They go from 0 to x-1 (giving the index into SkMipMap's contents).
ComputeLevelSize should also follow that same indexing.
BUG=578304
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2042843005
Review-Url: https://codereview.chromium.org/2042843005
Instead of two synchronization systems (in_signal_handler, gMutex),
we can just use one. This simplifies the signal handler logic to:
- first thread through grabs the lock, prints what's running and a stack trace,
then exits
- all other threads just sit waiting on that lock until exit kills them
Previously I think all threads were racing to exit, which can kill the process
before the printing thread is done. That truncated the output, which is dumb.
Plus...
refactor slightly so that crash_handler() shows up at the top of the stack
trace rather than some odd name for a lambda inside setup_crash_handler().
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2051863002
Review-Url: https://codereview.chromium.org/2051863002