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ericrk 369e9375a3 Add Histogram Macros to Skia
Adds a set of histogram macros to Skia, modeled after Chrome's
UMA_HISTOGRAM_* macros. These allow logging of high frequency events,
and are useful to analyze real world usage of certain features.

By default, these macros are no-ops. Users can provide a custom
header file which defines these macros if they wish to collect
histogram data. Chrome will provide such a header.

I've currently only added two macros:
- SK_HISTOGRAM_BOOLEAN - logs a true/false type relationship (whether
we are tiling a texture or not on each draw).
- SK_HISTOGRAM_ENUMERATION - logs a set of potential values (which of
a number of choices were selected for the texture upload path).

We could add more unused macros at the moment, but it seems easier to
add these as needed, WDYT?

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1652053004

Review URL: https://codereview.chromium.org/1652053004
2016-02-05 15:32:36 -08:00
animations first cut at a checkbox 2009-10-21 19:41:10 +00:00
bench SSE optimizations for GrayAlpha -> RGBA/BGRA Premul/Unpremul 2016-02-03 15:28:35 -08:00
bin bin/sync-and-gyp: sh->py (make more cross-platform) 2015-11-09 08:28:13 -08:00
cmake Fix CMake build on Mac. 2016-01-21 17:38:36 -05:00
debugger Add gpu implementation of OverdrawXfermode 2016-01-27 05:00:04 -08:00
dm Fix Unpremul Index8 tests 2016-02-03 15:31:18 -08:00
example SampleApp: Remove SkWindow::setColorType 2016-01-18 01:18:35 -08:00
experimental Last bit of GrGLSLFragmentProcessor-derived class cleanup 2016-02-05 07:15:39 -08:00
fuzz Make fuzz broadcast when it terminates via return. 2016-02-01 08:23:50 -08:00
gm increase subdivision for very large cubics 2016-02-05 13:59:31 -08:00
gyp Add SkSpecialImage & SkSpecialSurface classes 2016-02-04 10:52:42 -08:00
include Add Histogram Macros to Skia 2016-02-05 15:32:36 -08:00
infra update CQ with new bot names 2016-02-05 06:10:38 -08:00
platform_tools SampleApp: remove SkWindow::onPDFSaved, it does not work 2016-01-18 00:47:14 -08:00
resources Optimize the SkRawStream when the input is an asset stream 2016-02-05 08:21:19 -08:00
samplecode add new tests 2016-01-30 10:11:21 -08:00
site Fix SampleApp instructions in the Windows quick-start 2016-02-02 10:59:30 -08:00
src Add Histogram Macros to Skia 2016-02-05 15:32:36 -08:00
tests Fix memory leaks in SurfaceClear_Gpu test 2016-02-05 13:47:06 -08:00
third_party sketch hooking into PNG_FILTER_OPTIMIZATIONS 2016-01-27 13:01:41 -08:00
tools Added JSON support for TextBlob et al. 2016-02-05 09:04:45 -08:00
.gitignore android/apps: Add CanvasProof App; 2015-09-23 12:40:34 -07:00
AUTHORS use malloc/calloc/free instead of moz_malloc/moz_calloc/moz_free in ports/SkMemory_mozalloc.cpp 2015-11-23 10:30:14 -08:00
codereview.settings Automatically add a docs preview link and NOTRY=true when there are only docs changes. 2015-02-26 10:16:13 -08:00
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 SkMojo: test linking Skia against the Mojo SDK 2016-02-03 11:53:19 -08:00
Doxyfile Documentation: SkCanvas API 2015-05-19 10:21:29 -07:00
gyp_skia Support SKIA_OUT on Mac and ChromeOS 2015-05-04 08:04:28 -07:00
gyp_skia.py Roll gyp deps from 1765 to 1796. 2013-11-21 18:11:14 +00:00
LICENSE Include resources directory in google3 sync. 2015-10-20 13:00:48 -07:00
make.bat Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
make.py GYP: remove stale skia_scalar gyp variable 2015-11-10 13:25:12 -05:00
Makefile Add visualbench as valid target to Makefile 2015-12-18 08:05:06 -08:00
OWNERS add root files from chrome 2013-08-13 19:11:15 +00:00
PRESUBMIT.py Add link to Gold trybot runs in every uploaded Skia CL 2015-12-15 06:23:33 -08:00
public.bzl Add dm to DM_INCLUDES to fix Google3 build. 2016-02-01 09:05:08 -08:00
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
SK_IMAGE_VERSION Update SK_IMAGE_VERSION to test RAW 2016-02-02 11:56:33 -08:00
skia.gyp Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
SKP_VERSION Update SKP version 2016-01-31 00:30:55 -08:00
whitespace.txt Whitespace change to test SK_IMAGE_VERSION download 2016-01-25 05:00:13 -08:00

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

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