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Herb Derby 1264001c8c Use shared lock for charsToGlyphs 
onCharsToGlyphs show a lot of contention on the exclusive lock.
See:
https://pprof.corp.google.com/user-profile?id=efff7e7bde54d93f4351cd7adabbcbbd&tab=graph

Make the optimistic conversion use a shared lock, and only
move to an exclusive lock if chars are missing.

Bug: b/182395513

Change-Id: Idcb54687aec12a1aeb710c591d1cc5a5bad66682
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/408336
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Herb Derby <herb@google.com>
2021-05-13 20:49:20 +00:00
animations first cut at a checkbox 2009-10-21 19:41:10 +00:00
bazel bazel baby steps 2020-09-14 15:18:32 +00:00
bench Use Wang's formula for quadratic and cubic point counts 2021-05-12 18:33:33 +00:00
bin Fix Python3 compatibility 2021-03-25 14:15:35 +00:00
build/fuchsia [fuchsia] Fix fidlc command. 2020-06-10 03:29:24 +00:00
build_overrides Fix ANGLE roll 2021-05-10 15:34:52 +00:00
client_utils/android Replace 'typedef xxxxx INHERITED' with 'using INHERITED = xxxx;'. 2020-09-03 03:41:26 +00:00
demos.skia.org Can ctrl-key work on non-macs? 2021-05-12 17:53:41 +00:00
dm Convert dmsaa to an SkSurfaceProp 2021-04-20 16:24:56 +00:00
docker [infra] Fix index.d.ts copy in Wasm Docker build 2021-02-23 15:54:11 +00:00
docs/examples Must pass filtering to picture shader 2021-03-18 22:18:47 +00:00
example Reland "Remove use of legacy display globals." 2020-10-05 19:13:58 +00:00
experimental Revert "Switching SkText to UTF16" 2021-05-11 22:24:20 +00:00
fuzz Move SkSpan to include/, for use in public API 2021-05-12 13:19:32 +00:00
gm Use Wang's formula for quadratic and cubic point counts 2021-05-12 18:33:33 +00:00
gn Add a GrCullTest class 2021-05-13 17:30:58 +00:00
include reject sizes that will overflow in SkSpan 2021-05-13 19:42:43 +00:00
infra Reland "The Matrices test now verifies its results." 2021-05-13 17:25:53 +00:00
modules [skottie] Text fill/stroke opacity animators 2021-05-13 20:03:52 +00:00
platform_tools [androidkit] add getter for matrices 2021-05-13 19:29:53 +00:00
resources [skottie] Text fill/stroke opacity animators 2021-05-13 20:03:52 +00:00
samplecode Use Wang's formula for quadratic and cubic point counts 2021-05-12 18:33:33 +00:00
site Restore cube demo to canvaskit demo page 2021-04-21 21:55:27 +00:00
specs Fix CanvasKit generated documentation to work with emscripten 1.39.16. 2020-05-27 12:23:32 +00:00
src Use shared lock for charsToGlyphs 2021-05-13 20:49:20 +00:00
tests Fix overdraw from unstable perspective math 2021-05-13 19:37:53 +00:00
third_party Roll skcms from 31ba46d6a284 to bae5e281e80f (1 revision) 2021-05-08 21:32:59 +00:00
tools viewer can show offscreen layers in MSKPSlide 2021-05-12 19:49:03 +00:00
.bazelignore bazel baby steps 2020-09-14 15:18:32 +00:00
.clang-format no more bin packing in .clang-format 2021-03-04 17:22:50 +00:00
.clang-tidy Disable ClangTidy namespace comments for short blocks. 2020-08-24 14:01:22 +00:00
.gitignore [sk] Add DEPS entry for "sk" tool 2021-04-09 14:21:37 +00:00
.gn Pre-emptive fix for upcoming ANGLE change. 2021-01-08 17:23:52 +00:00
AUTHORS Add UWP support 2021-02-10 19:04:42 +00:00
BUILD.bazel bazel baby steps 2020-09-14 15:18:32 +00:00
BUILD.gn [androidkit] implement ThreadedSurface backed by WindowSurface 2021-05-13 17:15:49 +00:00
codereview.settings Make uploading to Gerrit the default for Skia 2016-11-09 19:07:56 +00:00
CONTRIBUTING Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
CQ_COMMITTERS Moved committer list to chrome-infra-auth and deleted it from the repo 2015-09-02 13:37:54 -07:00
DEPS Roll ANGLE from 25b53ceb65b7 to 9809122dbd0d (1 revision) 2021-05-13 17:10:45 +00:00
DIR_METADATA Move metadata in OWNERS files to DIR_METADATA files 2021-02-02 23:41:54 +00:00
go.mod [infra] Roll infra dependency 2021-02-25 19:56:00 +00:00
go.sum [infra] Roll infra dependency 2021-02-25 19:56:00 +00:00
LICENSE LICENSE file: clean up 2019-11-22 21:59:03 +00:00
PRESUBMIT.py Revert "Display a Docs-Preview link for each modified MD file" 2021-04-22 13:39:28 +00:00
public.bzl Enable DSL FP tests. 2021-04-22 21:03:43 +00:00
README Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
README.chromium Update README.chromium. 2015-06-11 13:19:24 -07:00
RELEASE_NOTES.txt Implement computeFastBounds for PathEffects 2021-05-11 17:01:59 +00:00
whitespace.txt Whitespace change to re-trigger Mac/iOS tests 2020-02-23 20:55:01 +00:00
WORKSPACE.bazel bazel baby steps 2020-09-14 15:18:32 +00:00

README 

Skia is a complete 2D graphic library for drawing Text, Geometries, and Images.

See full details, and build instructions, at https://skia.org.