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Matt Sarett 3ea01f72f2 Optimize mipmap downsample_2_2 in sRGB mode 
Desktop (HP z620)
Before:
mipmap_build_2048x2048_0_gamma 10.5 ms
mipmap_build_2048x2048_1_gamma 77.1 ms
After:
mipmap_build_2048x2048_0_gamma 10.5 ms
mipmap_build_2048x2048_1_gamma 25.1 ms

Pixel XL
Before:
mipmap_build_2048x2048_0_gamma 160 ms
mipmap_build_2048x2048_1_gamma 1.5 s
After:
mipmap_build_2048x2048_0_gamma 160 ms
mipmap_build_2048x2048_1_gamma 313 ms

Also provides marginal performance improvements
for other sRGB downsamples.

BUG=skia:

Change-Id: Icfcd2ccd69676ccf3822db8042a4698e4464bb71
Reviewed-on: https://skia-review.googlesource.com/9386
Commit-Queue: Matt Sarett <msarett@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>
2017-03-08 15:44:47 +00:00
animations first cut at a checkbox 2009-10-21 19:41:10 +00:00
bench Optimize mipmap downsample_2_2 in sRGB mode 2017-03-08 15:44:47 +00:00
bin Add a way to compute the code coverage of fuzzers 2017-02-15 13:19:40 +00:00
debugger Get Debugger app compiling again 2017-01-06 16:18:27 +00:00
dm Don't run image tests on msaa configs. 2017-03-07 14:52:45 +00:00
example Add the ability to enable/disable GPU path renderers 2017-02-22 20:29:56 +00:00
experimental Rebase and fix chromium 2017-03-04 13:49:47 +00:00
fuzz FuzzCanvas: SkColorFilter 2017-03-07 22:34:49 +00:00
gm Revert[6] "Remove SkDraw from device-draw methods, and enable device-centric clipping."""""" 2017-03-07 15:43:03 +00:00
gn Turn on SkJumper all the time. 2017-03-08 14:18:57 +00:00
include optimize intersect, use getType to utilize fast-case in preTranslate 2017-03-07 20:51:34 +00:00
infra Add GalaxyS6 bot. 2017-03-08 12:14:23 +00:00
platform_tools One-liner fix that allows Viewer to switch between Raster and OpenGL 2017-02-23 22:33:36 +00:00
resources Set a limit on the size for BMP images 2017-02-24 21:25:44 +00:00
samplecode Use fast path for circular shadows. 2017-03-02 17:40:00 +00:00
site Remove dead links in SampleApp docs. 2017-03-07 16:29:39 +00:00
src Optimize mipmap downsample_2_2 in sRGB mode 2017-03-08 15:44:47 +00:00
tests Move from SkChunkAlloc to SkArenaAlloc for PathOps 2017-03-07 17:56:41 +00:00
third_party Delete yasm config files 2017-03-04 21:54:29 +00:00
tools Add viewer GUI options for desktop and Android to toggle instanced rendering. 2017-03-07 21:05:52 +00:00
.clang-format Mark flatennable macros as block beginning/ending in .clang-format 2017-01-09 15:31:36 +00:00
.gitignore Add imgui.ini to .gitignore 2017-03-01 15:24:02 +00:00
.gn Basic standalone GN configs. 2016-07-21 12:25:45 -07:00
AUTHORS Fix typo in GrGLCaps 2016-11-18 23:20:51 +00:00
BUILD.gn Turn on SkJumper all the time. 2017-03-08 14:18:57 +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 Tidy up DEPS 2017-03-04 21:54:08 +00:00
Doxyfile Make the housekeeper upload doxygen to a newer bucket 2016-10-04 13:23:57 -07:00
LICENSE BUG=skia:5602 2016-09-02 11:19:34 -07:00
PRESUBMIT.py Clean up more references to GYP. 2017-02-06 17:55:35 +00:00
public.bzl begin to hide details of SkPathEffect 2017-02-26 18:36:11 +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
whitespace.txt Whitespace change to test new submit strategy II 2017-02-22 14:03:00 +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.