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skia2/gyp
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caryclark 624637cc8e Path ops formerly found the topmost unprocessed edge and determined its angle sort order to initialize the winding. This never worked correctly with cubics and was flaky with paths consisting mostly of vertical edges. 
This replacement shoots axis-aligned rays through all intersecting edges to find the outermost one either horizontally or vertically. The resulting code is smaller and twice as fast.

To support this, most of the horizontal / vertical intersection code was rewritten and standardized, and old code supporting the top-directed winding was deleted.

Contours were pointed to by an SkTDArray. Instead, put them in a linked list, and designate the list head with its own class to ensure that methods that take lists of contours start at the top. This change removed a large percentage of memory allocations used by path ops.

TBR=reed@google.com
BUG=skia:3588

Review URL: https://codereview.chromium.org/1111333002
2015-05-11 07:21:28 -07:00
..
android_deps.gyp WIP: Added support for giflib, updated jpeg and png 2015-03-30 07:52:52 -07:00
android_framework_lib.gyp Make android framework depend on SkCodec. 2015-03-20 11:20:03 -07:00
android_output.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
android_system.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
angle.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
animator.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
apptype_console.gypi Remove all code related to NaCl 2015-04-02 12:16:36 -07:00
bench.gyp Change to add zoom animations to nanobench 2015-04-27 09:16:57 -07:00
bench.gypi Add a control benchmark. 2015-05-06 12:42:04 -07:00
canvas_state_lib.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
codec.gyp SkJpegCodec 2015-04-15 07:32:20 -07:00
common_conditions.gypi Default iOS builds to our code signing identity. 2015-04-16 13:29:59 -07:00
common_variables.gypi Enable both static and dynamically linked libpng 2015-04-03 12:35:27 -07:00
common.gypi Remove all code related to NaCl 2015-04-02 12:16:36 -07:00
core.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
core.gypi Path ops formerly found the topmost unprocessed edge and determined its angle sort order to initialize the winding. This never worked correctly with cubics and was flaky with paths consisting mostly of vertical edges. 2015-05-11 07:21:28 -07:00
debugger.gyp Remove all code related to NaCl 2015-04-02 12:16:36 -07:00
dm.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
dm.gypi Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
effects.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
effects.gypi remove redundant/deprecated TwoPointRadial gradiet -- use TwoPointConical 2015-05-04 08:32:51 -07:00
etc1.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
everything.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
example.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
experimental.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
FileReaderApp.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
flags.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
freetype.gyp Remove all code related to NaCl 2015-04-02 12:16:36 -07:00
freetype.gypi Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
giflib.gyp Creating a new wrapper for gif decoder 2015-04-01 06:58:48 -07:00
gmslides.gypi remove redundant/deprecated TwoPointRadial gradiet -- use TwoPointConical 2015-05-04 08:32:51 -07:00
gpu.gyp Remove all code related to NaCl 2015-04-02 12:16:36 -07:00
gpu.gypi Initial CL to create Reorder command builder behind a flag 2015-05-07 11:14:30 -07:00
gputest.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
images.gyp Remove all code related to NaCl 2015-04-02 12:16:36 -07:00
iOSShell.gyp cleanup 2015-05-05 07:55:06 -07:00
jsoncpp.gyp Roll jsoncpp, drop dependency on Chromium overrides. 2014-08-19 07:21:00 -07:00
ktx.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
libjpeg.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
libpng.gyp Enable both static and dynamically linked libpng 2015-04-03 12:35:27 -07:00
libwebp.gyp Build in C++11 mode on Macs. 2015-02-03 13:24:36 -08:00
lua.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
most.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
nanomsg.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
opts.gyp Revert of Allow NEON on iOS. (patchset #3 id:40001 of https://codereview.chromium.org/1091823002/) 2015-04-17 14:02:40 -07:00
opts.gypi Replace NEON assembly memset16 and memset32 with intrinsic versions. 2015-04-10 06:24:58 -07:00
pathops_skpclip.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
pathops_unittest.gyp cumulative pathops patch 2015-03-26 07:52:43 -07:00
pathops_unittest.gypi Now, path ops natively intersect conics, quads, and cubics in any combination. There are still a class of cubic tests that fail and a handful of undiagnosed failures from skps and fuzz tests, but things are much better overall. 2015-04-20 08:31:59 -07:00
pdf.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
pdf.gypi SkPDF: detect YUV-JPEG without relying on ImageGenerator 2015-05-07 11:46:59 -07:00
pdfviewer_lib.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
pdfviewer.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
ports.gyp Move resource fonts to common location. 2015-04-30 17:12:58 -04:00
SampleApp.gyp Revert of Revert of remove unused (by clients) SkPathUtils (patchset #1 id:1 of https://codereview.chromium.org/1060703003/) 2015-04-16 20:10:55 -07:00
sfnt.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
SimpleCocoaApp.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
SimpleiOSApp.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
skflate.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
skia_for_android_framework_defines.gypi Enable GrAAConvexTessellator in GrAAConvexPathRenderer 2015-05-08 04:46:51 -07:00
skia_for_chromium_defines.gypi Enable GrAAConvexTessellator in GrAAConvexPathRenderer 2015-05-08 04:46:51 -07:00
skia_launcher.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
skia_lib.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
svg.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
tests.gypi Revert of Revert of remove unused (by clients) SkPathUtils (patchset #1 id:1 of https://codereview.chromium.org/1060703003/) 2015-04-16 20:10:55 -07:00
tools.gyp Remove all code related to NaCl 2015-04-02 12:16:36 -07:00
utils.gyp Remove all code related to NaCl 2015-04-02 12:16:36 -07:00
utils.gypi Revert of Sketch splitting SkPicture into an interface and SkBigPicture. (patchset #22 id:420001 of https://codereview.chromium.org/1112523006/) 2015-05-07 17:30:13 -07:00
v8.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
views_animated.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
views.gyp Remove all code related to NaCl 2015-04-02 12:16:36 -07:00
xml.gyp Add copyright headers to remaining gyp files. 2015-03-25 10:22:41 -07:00
xps.gyp Remove sfnt dependency from xps gyp tartget. 2015-03-25 14:48:05 -07:00
zlib.gyp Revert of For consistency, use our homebrew zlib everywhere possible. (patchset #6 id:100001 of https://codereview.chromium.org/971673005/) 2015-03-07 07:47:51 -08:00