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* Culling APIGravatar commit-bot@chromium.org2014-02-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | *** SKP format breaking change *** Adding a couple of culling primitives: pushCull(SkRect) & popCull(). These are currently only plumbed for SKP playback quickreject. At record time, we perform a couple of optimizations to trim down the number of redundant culls: * collapse empty pushCull/popCull pairs * skip pushCull/popCull pairs nested within an identical cull rect Things still missing/to consider: * use an inlineable, simplified quickreject (Mike's old prototype) * debugger visualization for cull boxes * BBH integration: the initial prototype had some minimal BBH support, but since the optimizations required expensive rewinds and culling is expected to be a BBH alternative, it got dropped. R=bsalomon@google.com, reed@google.com, robertphillips@google.com, caryclark@google.com, tomhudson@google.com, iancottrell@google.com Author: fmalita@chromium.org Review URL: https://codereview.chromium.org/138013009 git-svn-id: http://skia.googlecode.com/svn/trunk@13611 2bbb7eff-a529-9590-31e7-b0007b416f81
* Revert "Revert of Add getReducedClipStack to lua canvas ↵Gravatar bsalomon@google.com2014-02-26
| | | | | | | | | | | | (https://codereview.chromium.org/180283004/)" This reverts commit efded03a38d6147caaf2d951638d27fdd47eed64. Fixes builds Review URL: https://codereview.chromium.org/181903002 git-svn-id: http://skia.googlecode.com/svn/trunk@13599 2bbb7eff-a529-9590-31e7-b0007b416f81
* Revert of Add getReducedClipStack to lua canvas ↵Gravatar commit-bot@chromium.org2014-02-26
| | | | | | | | | | | | | | | | | | | | | | | (https://codereview.chromium.org/180283004/) Reason for revert: breaking a bunch of builds Original issue's description: > Add getReducedClipStack to lua canvas > > Committed: http://code.google.com/p/skia/source/detail?r=13594 R=reed@google.com TBR=reed@google.com NOTREECHECKS=true NOTRY=true Author: bsalomon@google.com Review URL: https://codereview.chromium.org/181653004 git-svn-id: http://skia.googlecode.com/svn/trunk@13597 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add getReducedClipStack to lua canvasGravatar commit-bot@chromium.org2014-02-26
| | | | | | | | | | R=reed@google.com Author: bsalomon@google.com Review URL: https://codereview.chromium.org/180283004 git-svn-id: http://skia.googlecode.com/svn/trunk@13594 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add getClipStack method to lua SkCanvasGravatar commit-bot@chromium.org2014-02-24
| | | | | | | | | | R=reed@google.com Author: bsalomon@google.com Review URL: https://codereview.chromium.org/177933003 git-svn-id: http://skia.googlecode.com/svn/trunk@13567 2bbb7eff-a529-9590-31e7-b0007b416f81
* override new virtual onDrawDRRect in util canvas subclassesGravatar commit-bot@chromium.org2014-02-21
| | | | | | | | | | | BUG=skia: R=robertphillips@google.com, reed@google.com Author: reed@chromium.org Review URL: https://codereview.chromium.org/174593003 git-svn-id: http://skia.googlecode.com/svn/trunk@13529 2bbb7eff-a529-9590-31e7-b0007b416f81
* remove (unused by chrome) SkDeferredCanvas(device) factory signatureGravatar reed@google.com2014-02-04
| | | | | | | | | BUG=skia: R=junov@chromium.org Review URL: https://codereview.chromium.org/136753016 git-svn-id: http://skia.googlecode.com/svn/trunk@13302 2bbb7eff-a529-9590-31e7-b0007b416f81
* rename tracing parameter to be more consistent with other methodsGravatar commit-bot@chromium.org2014-02-03
| | | | | | | | | | | BUG=skia: R=bsalomon@google.com Author: humper@google.com Review URL: https://codereview.chromium.org/136753013 git-svn-id: http://skia.googlecode.com/svn/trunk@13287 2bbb7eff-a529-9590-31e7-b0007b416f81
* clean up a couple of parameters in the tracing interfaceGravatar commit-bot@chromium.org2014-02-03
| | | | | | | | | | | BUG=skia: R=bsalomon@google.com Author: humper@google.com Review URL: https://codereview.chromium.org/145973011 git-svn-id: http://skia.googlecode.com/svn/trunk@13283 2bbb7eff-a529-9590-31e7-b0007b416f81
* fix leaks in SkConfGravatar commit-bot@chromium.org2014-01-31
| | | | | | | | | | | | | | | | | These leaks were small and would only happen with non-default runtime configuration things set, but they were still leaks and they should be squished. Valgrind reported leaks pre-patch, and all the rtconf leaks are gone after patch. BUG=skia:1722 R=reed@google.com Author: humper@google.com Review URL: https://codereview.chromium.org/136963004 git-svn-id: http://skia.googlecode.com/svn/trunk@13269 2bbb7eff-a529-9590-31e7-b0007b416f81
* Sanitizing source files in Housekeeper-NightlyGravatar skia.committer@gmail.com2014-01-31
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@13258 2bbb7eff-a529-9590-31e7-b0007b416f81
* initial import of Chrome's trace_event into skia frameworkGravatar commit-bot@chromium.org2014-01-31
| | | | | | | | | | | | | | | | | | | | | | | This patch includes a modified version of Chrome's trace_event.h, which provides tracing macros that can easily integrate into the about://tracing framework. Currently the macros link to a default implementation of the (narrow) tracing class SkDefaultEventTracer which does nothing; next step will be to have Chrome subclass the SkEventTracer with a shim that bolts Skia's trace events to its own, allowing Skia's trace events to show up in about://tracing. I've verified that this file builds properly, and when I added a simple scoped TRACE_EVENT0 to SkCanvas::drawRect, along with some debug prints in the NOP implementation of tracing, I saw what I expected printed to the screen. BUG=skia: R=nduca@chromium.org, reed@google.com, mtklein@google.com, bsalomon@google.com Author: humper@google.com Review URL: https://codereview.chromium.org/149563004 git-svn-id: http://skia.googlecode.com/svn/trunk@13256 2bbb7eff-a529-9590-31e7-b0007b416f81
* Refactor read and write buffers.Gravatar commit-bot@chromium.org2014-01-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Eliminates SkFlattenable{Read,Write}Buffer, promoting SkOrdered{Read,Write}Buffer a step each in the hierarchy. What used to be this: SkFlattenableWriteBuffer -> SkOrderedWriteBuffer SkFlattenableReadBuffer -> SkOrderedReadBuffer SkFlattenableReadBuffer -> SkValidatingReadBuffer is now SkWriteBuffer SkReadBuffer -> SkValidatingReadBuffer Benefits: - code is simpler, names are less wordy - the generic SkFlattenableFooBuffer code in SkPaint was incorrect; removed - write buffers are completely devirtualized, important for record speed This refactoring was mostly mechanical. You aren't going to find anything interesting in files with less than 10 lines changed. BUG=skia: R=reed@google.com, scroggo@google.com, djsollen@google.com, mtklein@google.com Author: mtklein@chromium.org Review URL: https://codereview.chromium.org/134163010 git-svn-id: http://skia.googlecode.com/svn/trunk@13245 2bbb7eff-a529-9590-31e7-b0007b416f81
* remove SkScalarMul macroGravatar mike@reedtribe.org2014-01-23
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@13145 2bbb7eff-a529-9590-31e7-b0007b416f81
* Pull in Chromium's version of GatherPixelRefsGravatar robertphillips@google.com2014-01-13
| | | | | | | | https://codereview.chromium.org/134473002/ git-svn-id: http://skia.googlecode.com/svn/trunk@13038 2bbb7eff-a529-9590-31e7-b0007b416f81
* remove (now unused) Sk64 -- just use int64_tGravatar reed@google.com2014-01-10
| | | | | | | | BUG= Review URL: https://codereview.chromium.org/134373006 git-svn-id: http://skia.googlecode.com/svn/trunk@13032 2bbb7eff-a529-9590-31e7-b0007b416f81
* Reduce verbosity of SkGraphics::Init in default case.Gravatar halcanary@google.com2014-01-10
| | | | | | | | | | | | | | | | | SkGraphics::Init() now checks to see if there are any non-default runtime configuration options before announcing that it is about to print out the non-default runtime configuration options. This makes the executables in tools/ less verbose. Add SkRTConfRegistry::countNonDefault() function. BUG= R=mtklein@google.com, reed@google.com Review URL: https://codereview.chromium.org/133583003 git-svn-id: http://skia.googlecode.com/svn/trunk@13017 2bbb7eff-a529-9590-31e7-b0007b416f81
* Sanitizing source files in Housekeeper-NightlyGravatar skia.committer@gmail.com2013-12-31
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@12849 2bbb7eff-a529-9590-31e7-b0007b416f81
* Revert "Revert of https://codereview.chromium.org/113823003/"Gravatar reed@google.com2013-12-30
| | | | | | | | | | This reverts commit 68b4b32066ea0ba9dbb5d326a836f8a54297b7aa. BUG= Review URL: https://codereview.chromium.org/122293002 git-svn-id: http://skia.googlecode.com/svn/trunk@12842 2bbb7eff-a529-9590-31e7-b0007b416f81
* Revert of https://codereview.chromium.org/113823003/Gravatar commit-bot@chromium.org2013-12-30
| | | | | | | | | | | | | | | | Reason for revert: need to update callsites in linux codecs R=robertphillips@google.com TBR=robertphillips@google.com NOTREECHECKS=true NOTRY=true BUG= Author: reed@google.com Review URL: https://codereview.chromium.org/122283002 git-svn-id: http://skia.googlecode.com/svn/trunk@12841 2bbb7eff-a529-9590-31e7-b0007b416f81
* remove Sk64 from public API, and start to remove usage internallyGravatar reed@google.com2013-12-30
| | | | | | | | | BUG= R=robertphillips@google.com Review URL: https://codereview.chromium.org/113823003 git-svn-id: http://skia.googlecode.com/svn/trunk@12840 2bbb7eff-a529-9590-31e7-b0007b416f81
* Revert "Revert "begin to remove SkLONGLONG and wean Skia off of Sk64""Gravatar reed@google.com2013-12-20
| | | | | | | | | | This reverts commit 15b986baf026a3da5e2cac8106a1b753df242c39. BUG= Review URL: https://codereview.chromium.org/119353003 git-svn-id: http://skia.googlecode.com/svn/trunk@12796 2bbb7eff-a529-9590-31e7-b0007b416f81
* Revert "begin to remove SkLONGLONG and wean Skia off of Sk64"Gravatar reed@google.com2013-12-19
| | | | | | | | | | | | | | This reverts commit 784890196fdab96289f9389db43aca01f35db0f9. Revert "use LL suffix for 64bit literal" This reverts commit 9634295aff9bffd7a3875a0ca4a9b1a27d0793fc. BUG= Review URL: https://codereview.chromium.org/116543009 git-svn-id: http://skia.googlecode.com/svn/trunk@12790 2bbb7eff-a529-9590-31e7-b0007b416f81
* begin to remove SkLONGLONG and wean Skia off of Sk64Gravatar reed@google.com2013-12-19
| | | | | | | | | BUG= R=caryclark@google.com Review URL: https://codereview.chromium.org/99433009 git-svn-id: http://skia.googlecode.com/svn/trunk@12788 2bbb7eff-a529-9590-31e7-b0007b416f81
* remove unused SkFixed and SkFract functionsGravatar reed@google.com2013-12-19
| | | | | | | | | BUG= R=caryclark@google.com Review URL: https://codereview.chromium.org/113873008 git-svn-id: http://skia.googlecode.com/svn/trunk@12767 2bbb7eff-a529-9590-31e7-b0007b416f81
* remove SK_SCALAR_IS_[FLOAT,FIXED] and assume floatsGravatar reed@google.com2013-12-17
| | | | | | | | | | | | | To keep the CL (slightly) managable, this does not make any changes to existing macros (e.g. SkScalarMul). Just tackling #ifdef constructs this time around. BUG= R=bsalomon@google.com, caryclark@google.com Review URL: https://codereview.chromium.org/117053002 git-svn-id: http://skia.googlecode.com/svn/trunk@12712 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add JSON output option to bench.Gravatar commit-bot@chromium.org2013-12-03
| | | | | | | | | | | | | | | | | | | | A new command-line flag --outResultsFile takes the filename to write the JSON into. The human readable output is the same as before with one exception. Previously DEBUG would be printed if in debug mode, or nothing would be printed if in release mode. Now this is reported as a named option: build=DEBUG or build=RELEASE R=djsollen@google.com, bsalomon@google.com Author: jcgregorio@google.com Review URL: https://codereview.chromium.org/83863002 git-svn-id: http://skia.googlecode.com/svn/trunk@12465 2bbb7eff-a529-9590-31e7-b0007b416f81
* Use lowercase windows.h in includes to fix Windows cross compilation using ↵Gravatar bungeman@google.com2013-12-03
| | | | | | | | | | | | mingw. While it doesn't matter on Windows, mingw on case-sensitive OSes uses all lower case filenames for platform include files. I found the problem in SkCondVar.h from Mozilla checkout of skia sources, but the patch contains a fix for the whole skia tree. R=bungeman@google.com Review URL: https://codereview.chromium.org/99173003 git-svn-id: http://skia.googlecode.com/svn/trunk@12461 2bbb7eff-a529-9590-31e7-b0007b416f81
* Adding SkDeferredCanvas::NoticifationClient to the exported API.Gravatar commit-bot@chromium.org2013-11-25
| | | | | | | | | | | R=reed@android.com, robertphillips@google.com, reed, robertphillips BUG=1861 Author: schenney@chromium.org Review URL: https://codereview.chromium.org/83383007 git-svn-id: http://skia.googlecode.com/svn/trunk@12380 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add missing functions to SkNWayCanvasGravatar commit-bot@chromium.org2013-11-14
| | | | | | | | | | | R=reed@google.com BUG=none Author: enne@chromium.org Review URL: https://codereview.chromium.org/65513003 git-svn-id: http://skia.googlecode.com/svn/trunk@12295 2bbb7eff-a529-9590-31e7-b0007b416f81
* Hide implementation details: SkFrontBufferedStreamGravatar scroggo@google.com2013-11-12
| | | | | | | | R=reed@google.com Review URL: https://codereview.chromium.org/25581002 git-svn-id: http://skia.googlecode.com/svn/trunk@12256 2bbb7eff-a529-9590-31e7-b0007b416f81
* New SkRTConf macro SK_CONF_TRY_SET: no complaint on missing configurationGravatar halcanary@google.com2013-11-06
| | | | | | | | | | | | | | | | | | | | | | | | | | SK_CONF_TRY_SET() is like SK_CONF_SET(), but doesn't complain if confname can't be found. This is useful if the SK_CONF_DECLARE is inside a source file whose linkage is dependent on the system. Internally to the SkRTConf system, SkRTConfRegistry::set() was given an additional parameter controling wanrings. A new RuntimeConfig unit test was introduced. It should run silently. In the future, it should be expanded to cover all of the SkRTConf functionality. (For example, the images.jpeg.suppressDecoderWarnings variable is defined and used only in SkImageDecoder_libjpeg.cpp, but on MacOS, we use Core Graphics via SkImageDecoder_CG.cpp - SkImageDecoder_libjpeg is never linked in. The same is true of the Windows Imaging Component on Windows.) BUG= R=reed@google.com Review URL: https://codereview.chromium.org/54503007 git-svn-id: http://skia.googlecode.com/svn/trunk@12155 2bbb7eff-a529-9590-31e7-b0007b416f81
* Revert "Revert "add SK_ATTR_DEPRECATED -- will need to disable for chrome, ↵Gravatar reed@google.com2013-10-31
| | | | | | | | | | | | since it triggers a warning"" This reverts commit 1e787c38fa71f2a21fd728f1b1d620b9b09b0d3d. BUG= Review URL: https://codereview.chromium.org/54603004 git-svn-id: http://skia.googlecode.com/svn/trunk@12057 2bbb7eff-a529-9590-31e7-b0007b416f81
* Revert "add SK_ATTR_DEPRECATED -- will need to disable for chrome, since it ↵Gravatar reed@google.com2013-10-31
| | | | | | | | triggers a warning" This reverts commit 1d22c4aaf9d8f053f25194a1ed74b137bfb19497. git-svn-id: http://skia.googlecode.com/svn/trunk@12056 2bbb7eff-a529-9590-31e7-b0007b416f81
* add SK_ATTR_DEPRECATED -- will need to disable for chrome, since it triggers ↵Gravatar reed@google.com2013-10-31
| | | | | | | | | | | a warning BUG= R=robertphillips@google.com, senorblanco@chromium.org, vandebo@chromium.org Review URL: https://codereview.chromium.org/51033004 git-svn-id: http://skia.googlecode.com/svn/trunk@12055 2bbb7eff-a529-9590-31e7-b0007b416f81
* Revert "If the path is a rect, call drawRect to raster the geometry in ↵Gravatar bsalomon@google.com2013-10-22
| | | | | | | | | | SkCanvas::drawPath to get better performance." This reverts commit r11904 Review URL: https://codereview.chromium.org/35543002 git-svn-id: http://skia.googlecode.com/svn/trunk@11909 2bbb7eff-a529-9590-31e7-b0007b416f81
* If the path is a rect, call drawRect to raster the geometry in ↵Gravatar bsalomon@google.com2013-10-22
| | | | | | | | | | | | SkCanvas::drawPath to get better performance. Committed: http://code.google.com/p/skia/source/detail?r=11842 R=bsalomon@google.com Review URL: https://codereview.chromium.org/23484007 git-svn-id: http://skia.googlecode.com/svn/trunk@11904 2bbb7eff-a529-9590-31e7-b0007b416f81
* SkThreadPool: allow for Runnables that add other Runnables to the pool.Gravatar commit-bot@chromium.org2013-10-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's a scenario that we're currently not allowing for, but I'd really like to use in DM: 1) client calls add(SomeRunnable*) several times 2) client calls wait() 3) any of the runnables added by the client _themselves_ call add(SomeOtherRunnable*) 4-inf) maybe those SomeOtherRunnables too call add(SomeCrazyThirdRunnable*), etc. Right now in this scenario we'll assert in debug mode in step 3) when we call add() and we're waiting to stop, and do strange unspecified things in release mode. The old threadpool had basically two states: running, and waiting to stop. If a thread saw we were waiting to stop and the queue was empty, that thread shut down. This wasn't accounting for any work that other threads might be doing; potentially they were about to add to the queue. So now we have three states: running, waiting, and halting. When the client calls wait() (or the destructor triggers), we move into waiting. When a thread notices we're _really_ done, that is, have an empty queue and there are no active threads, we move into halting. The halting state actually triggers the threads to stop, which wait() is patiently join()ing on. BUG= R=bungeman@google.com, bsalomon@google.com Author: mtklein@google.com Review URL: https://codereview.chromium.org/26389005 git-svn-id: http://skia.googlecode.com/svn/trunk@11852 2bbb7eff-a529-9590-31e7-b0007b416f81
* Revert r11842 (call drawRect to try GrAARectRenderer if the path is a rect - ↵Gravatar robertphillips@google.com2013-10-17
| | | | | | | | | | | | https://codereview.chromium.org/23484007) due to changes to the following GM images: inverse_paths pathopsinverse git-svn-id: http://skia.googlecode.com/svn/trunk@11845 2bbb7eff-a529-9590-31e7-b0007b416f81
* If the path is a rect, call drawRect to raster the geometry in ↵Gravatar commit-bot@chromium.org2013-10-17
| | | | | | | | | | | | SkCanvas::drawPath to get better performance. R=bsalomon@google.com, robertphillips@google.com, reed@google.com Author: yunchao.he@intel.com Review URL: https://codereview.chromium.org/23484007 git-svn-id: http://skia.googlecode.com/svn/trunk@11842 2bbb7eff-a529-9590-31e7-b0007b416f81
* Sanitizing source files in Housekeeper-NightlyGravatar skia.committer@gmail.com2013-10-15
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@11769 2bbb7eff-a529-9590-31e7-b0007b416f81
* Start cleaning up 64bit Win warningsGravatar robertphillips@google.com2013-10-14
| | | | | | | | https://codereview.chromium.org/27192003/ git-svn-id: http://skia.googlecode.com/svn/trunk@11764 2bbb7eff-a529-9590-31e7-b0007b416f81
* handle configuration variables longer than 30 characters longGravatar humper@google.com2013-10-14
| | | | | | | | | BUG= R=bsalomon@google.com, halcanary@google.com, reed@google.com Review URL: https://codereview.chromium.org/26206003 git-svn-id: http://skia.googlecode.com/svn/trunk@11757 2bbb7eff-a529-9590-31e7-b0007b416f81
* SkThreadPool: tweak two little things that have been annoying meGravatar commit-bot@chromium.org2013-10-10
| | | | | | | | | | | | | | 1) it's pretty annoying that SkThreadPool doesn't include SkRunnable for us; 2) add wait() so we don't have to keep using SkAutoTDelete/free() to wait for completion. BUG= R=scroggo@google.com, reed@google.com Author: mtklein@google.com Review URL: https://codereview.chromium.org/26470005 git-svn-id: http://skia.googlecode.com/svn/trunk@11711 2bbb7eff-a529-9590-31e7-b0007b416f81
* Improve SkScalerContext_GDI::generateCharToGlyph for non-BMP code points.Gravatar bungeman@google.com2013-10-08
| | | | | | | | | | Sometimes, when ScriptShape is presented with a surrogate pair which does not map to a glyph, it returns two space glyphs instead of .notdef (0). Detect this class of issues and handle appropriately. git-svn-id: http://skia.googlecode.com/svn/trunk@11660 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add perspective support to SkMatrix44 initializers.Gravatar commit-bot@chromium.org2013-10-05
| | | | | | | | | | | | | | | | | | | | I noticed SkMatrix <-> SkMatrix44 conversions were dropping the perspective values on the floor. As we use SkMatrix44 heavily in Chromium, I'm concerned this missing code will cause a bug eventually. It should be correct to simply use the bottom row of the 4x4 matrix excluding the third column. Previously committed and reverted, second attempt with fix for incorrect use of SkMScalar/SkScalar. BUG= R=reed@google.com, caryclark@google.com Author: aelias@chromium.org Review URL: https://codereview.chromium.org/25484006 git-svn-id: http://skia.googlecode.com/svn/trunk@11624 2bbb7eff-a529-9590-31e7-b0007b416f81
* Revert "Add perspective support to SkMatrix44 initializers."Gravatar aelias@chromium.org2013-10-04
| | | | | | This reverts commit 93db1bcae0863feed8d00a61ae2cf72a90a0083c. git-svn-id: http://skia.googlecode.com/svn/trunk@11623 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add perspective support to SkMatrix44 initializers.Gravatar commit-bot@chromium.org2013-10-04
| | | | | | | | | | | | | | | | | I noticed SkMatrix <-> SkMatrix44 conversions were dropping the perspective values on the floor. As we use SkMatrix44 heavily in Chromium, I'm concerned this missing code will cause a bug eventually. It should be correct to simply use the bottom row of the 4x4 matrix excluding the third column. BUG= R=reed@google.com Author: aelias@chromium.org Review URL: https://codereview.chromium.org/25484006 git-svn-id: http://skia.googlecode.com/svn/trunk@11622 2bbb7eff-a529-9590-31e7-b0007b416f81
* Fix race between ~SkThreadPool and SkThreadPool::Loop on fDone.Gravatar commit-bot@chromium.org2013-10-01
| | | | | | | | | | | | | | | | | We're writing fDone without holding the mutex. Bad form, says tsan. In practice this is fairly innocuous, as fDone only ever goes from false to true and only once. Though, I wouldn't be surprised if there were some way this could leak a thread that never got the signal to die. BUG= R=scroggo@google.com, reed@google.com Author: mtklein@google.com Review URL: https://codereview.chromium.org/25371003 git-svn-id: http://skia.googlecode.com/svn/trunk@11563 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add a buffered SkStream class.Gravatar scroggo@google.com2013-09-26
| | | | | | | | | | | | | This is used by Android to buffer an input stream which may not otherwise be able to rewind. Add a test for the new class. R=bungeman@google.com, mtklein@google.com, reed@google.com Review URL: https://codereview.chromium.org/23717055 git-svn-id: http://skia.googlecode.com/svn/trunk@11488 2bbb7eff-a529-9590-31e7-b0007b416f81