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08541e8d7f
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Matt Sarett 08541e8d7f Optimize mipmap downsample_2_2 in sRGB mode 
Reland of:
https://skia-review.googlesource.com/c/9386/

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 41.0 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 570 ms

Also provides marginal performance improvements
for other sRGB downsamples.

CQ_INCLUDE_TRYBOTS=skia.primary:Test-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind_PreAbandonGpuContext

BUG=skia:

Change-Id: Ia82fc2ef795e1bb63a4a9deac5e38f5fde39f651
Reviewed-on: https://skia-review.googlesource.com/9455
Reviewed-by: Matt Sarett <msarett@google.com>
2017-03-09 10:33:15 +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 2017-03-09 10:33:15 +00:00
bin bin/fetch-clang-format 2017-03-08 16:43:49 +00:00
debugger Get Debugger app compiling again 2017-01-06 16:18:27 +00:00
dm Make GPU dm sink correctly advertise whether it is multisampled 2017-03-08 17:15:11 +00:00
example Add the ability to enable/disable GPU path renderers 2017-02-22 20:29:56 +00:00
experimental Make SkGr.h private and remove unused functions 2017-03-08 20:55:21 +00:00
fuzz formatting change: FuzzCanvas.cpp 2017-03-08 16:41:07 +00:00
gm Make SkGr.h private and remove unused functions 2017-03-08 20:55:21 +00:00
gn Make SkGr.h private and remove unused functions 2017-03-08 20:55:21 +00:00
include Revert "remove SkClipVisitor" 2017-03-08 21:42:51 +00:00
infra Add jobs for building for Chromecast 2017-03-08 19:41:14 +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 2017-03-09 10:33:15 +00:00
tests Revert "remove SkClipVisitor" 2017-03-08 21:42:51 +00:00
third_party Delete yasm config files 2017-03-04 21:54:29 +00:00
tools Added MSAA selection to viewer GUI 2017-03-08 22:48:57 +00:00
.clang-format Mark flatennable macros as block beginning/ending in .clang-format 2017-01-09 15:31:36 +00:00
.gitignore bin/fetch-clang-format 2017-03-08 16:43:49 +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 Revert "Turn on SkJumper all the time." 2017-03-08 18:54:42 +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.