9134686fd9
Reason for revert: bust the roll Original issue's description: > SkOnce: 2 bytes -> 1 byte > > This uses the same logic we worked out for SkOncePtr to reduce > the memory footprint of SkOnce from a done byte and lock byte > to a single 3-state byte: > > - NotStarted: no thread has tried to run fn() yet > - Active: a thread is running fn() > - Done: fn() is complete > > Threads which see Done return immediately. > Threads which see NotStarted try to move to Active, run fn(), then move to Done. > Threads which see Active spin until the active thread moves to Done. > > This additionally fixes a too-weak memory order bug in SkOncePtr, > and adds a big note to explain. > > BUG=skia: > GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1904483003 > > Committed: https://skia.googlesource.com/skia/+/df02d338be8e3c1c50b48a3a9faa582703a39c07 TBR=herb@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/1898413004 |
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| animations | ||
| bench | ||
| bin | ||
| cmake | ||
| debugger | ||
| dm | ||
| example | ||
| experimental | ||
| fuzz | ||
| gm | ||
| gyp | ||
| include | ||
| infra | ||
| platform_tools | ||
| resources | ||
| samplecode | ||
| site | ||
| src | ||
| tests | ||
| third_party | ||
| tools | ||
| .gitignore | ||
| AUTHORS | ||
| codereview.settings | ||
| CONTRIBUTING | ||
| CQ_COMMITTERS | ||
| DEPS | ||
| Doxyfile | ||
| gyp_skia | ||
| gyp_skia.py | ||
| LICENSE | ||
| make.bat | ||
| make.py | ||
| Makefile | ||
| OWNERS | ||
| PRESUBMIT.py | ||
| public.bzl | ||
| README | ||
| README.chromium | ||
| SK_IMAGE_VERSION | ||
| skia.gyp | ||
| SKP_VERSION | ||
| whitespace.txt | ||
Skia is a complete 2D graphic library for drawing Text, Geometries, and Images. See full details, and build instructions, at https://skia.org.