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Nigel Tao 027f89be4d Allow one-pass SkWuffsCodec decoding 
Prior to this commit, SkWuffsCodec always used what this commit calls
two pass decoding. After this commit, it can sometimes use one pass
decoding, which means we don't have to allocate that intermediate pixel
buffer. For the "droids.gif" example mentioned in a recent commit,
39da10b5 "Optimize SkWuffsCodec pixbuf zero-initialization", this means
that we allocate 19 MB less than we used to (2560 width x 1920 height x
4 bytes per pixel = 19660800 bytes).

Continuing with "droids.gif" and the image_decode_bench program from
39da10b5, the time taken per decode drops from 35.627ms to 28.655ms.

Bug: chromium:1023191
Bug: chromium:1023129
Bug: skia:8235
Change-Id: Ic4fd6bd2856493eaf777416326f39198aa8d97c1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/255956
Commit-Queue: Leon Scroggins <scroggo@google.com>
Reviewed-by: Leon Scroggins <scroggo@google.com>
2019-12-06 14:38:01 +00:00
animations first cut at a checkbox 2009-10-21 19:41:10 +00:00
bench Fix some GCC warnings. 2019-12-03 16:21:40 +00:00
bin [infra] Fix bin/try 2019-11-15 19:44:04 +00:00
build/fuchsia Notes on how to build SKQP for Fuchsia. 2019-12-04 15:14:14 +00:00
build_overrides Update Dawn backend to ToT. This is about 3 months of changes. 2019-10-15 22:26:38 +00:00
dm Remove SkSize& SkSize::operator=(const SkISize&) 2019-12-04 17:36:06 +00:00
docker Fix usage of depot_tools in containers. 2019-10-14 19:38:40 +00:00
docs/examples Revert "Revert "switch to new filltype for SkPath"" 2019-11-26 17:43:14 +00:00
example Revert "Revert "switch to new filltype for SkPath"" 2019-11-26 17:43:14 +00:00
experimental experimental/skottie_ios: fix some objc errors 2019-12-04 20:35:19 +00:00
fuzz Revert "Revert "switch to new filltype for SkPath"" 2019-11-26 17:43:14 +00:00
gm fix make_path to not care about param-eval-order 2019-12-05 23:05:11 +00:00
gn flip on a bunch of GCC warnings 2019-12-04 21:40:21 +00:00
include Revert "Remove most of GrConfig.h" 2019-12-05 19:52:48 +00:00
infra Roll recipe dependencies (trivial). 2019-12-05 20:51:33 +00:00
modules GCC gets worried when we memset Stats 2019-12-06 01:48:51 +00:00
platform_tools [minor] mark scripts as executable 2019-11-21 17:06:27 +00:00
resources [skottie] Fix precomposed camera sizing 2019-12-05 14:34:15 +00:00
samplecode fix make_path to not care about param-eval-order 2019-12-05 23:05:11 +00:00
site Update release notes files 2019-12-05 21:10:49 +00:00
specs [img-decode] Start on proposed new spec 2019-05-06 17:39:19 +00:00
src Allow one-pass SkWuffsCodec decoding 2019-12-06 14:38:01 +00:00
tests Revert "Remove most of GrConfig.h" 2019-12-05 19:52:48 +00:00
third_party Roll skia/third_party/skcms 68d3f3a95f1b..ef3043bd8110 (1 commits) 2019-11-25 14:52:45 +00:00
tools [infra] Use "mod download" and "install", not "get" in chrome_release_branch 2019-12-06 11:16:41 +00:00
.clang-format restore .clang-format 2019-03-21 15:52:32 +00:00
.clang-tidy add google-build-namespaces to clang-tidy checks 2018-12-12 16:33:59 +00:00
.gitignore clean up some .gitignores 2019-05-15 19:55:45 +00:00
.gn Basic standalone GN configs. 2016-07-21 12:25:45 -07:00
AUTHORS Issue- >Skia tiled bitmap rendering is too slow when tildmodeX is not same as tileModeY. 2019-11-14 20:52:18 +00:00
BUILD.gn Reland "Replace CGFontCreate with CTFontManagerCreate." 2019-11-27 19:42:13 +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 ../src a25cc4cdcd47..36a639fc2d93 (535 commits) 2019-12-06 04:42:46 +00:00
go.mod [infra] Use "mod download" and "install", not "get" in chrome_release_branch 2019-12-06 11:16:41 +00:00
go.sum [infra] Use "mod download" and "install", not "get" in chrome_release_branch 2019-12-06 11:16:41 +00:00
LICENSE LICENSE file: clean up 2019-11-22 21:59:03 +00:00
OWNERS add OWNERS file 2017-12-01 19:50:19 +00:00
PRESUBMIT.py Use urllib_request instead of urllib2 in PRESUBMIT. 2019-10-22 20:30:56 +00:00
public.bzl Copy SkottieUtils' classes into skresources 2019-11-26 14:25:44 +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 Update release notes files 2019-12-05 21:10:49 +00:00
whitespace.txt Whitespace test 2019-05-18 13:05:29 +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.