Implement SVG clips based on clip stack flattening -
which is now exposed in SkClipStack::asPath() and shared
with SkCanvas's simplify-clip code.
R=reed@google.com,mtklein@google.com
Review URL: https://codereview.chromium.org/876923003
(
This is intended to facilitate efficient kMatrix_SaveFlags emulation
on restore():
* collect all clip stack elements for the current save count into a
side clip stack
* canvas.restore(everything)
* replay the collected clip ops to restore the initial clip state
=> we restored the matrix but the clip state is unchanged
)
Two main changes:
* expose the save count for SkClipStack::Element
* expose a replay method for the same (logic relocated from
SkCanvas::replayClips)
The SkCanvas::ClipVisitor shuffling is to enable forward decl
in SkClipStack.h (cannot fwdecl a nested class).
R=reed@google.com, robertphillips@google.comTBR=reed@google.com
Author: fmalita@chromium.org
Review URL: https://codereview.chromium.org/269693003
Fixes the cases where clip stack reduction would cause clip to be
re-rendered to stencil for each draw call. This causes unneeded
slowdown.
Stencil cache would not be used because the clip stack generation id communicated
by the clip stack element list would be invalid. This happended due to
a) clip stack reduction creating new elements in the element list.
b) purging logic removing the generation id, but reduction logic
selecting already purged element, and thus the generation id, as
the representative state of the clip.
Cases of a) where reduction would flatten the stack to a single new
element were fixed by assigning the generation id of the top-most
element of the clip stack as the generation id of the new
element. This is not strictly minimal, but enables more caching than
using invalid id.
Cases of a) where reduction would substitute a stack element with a
new element the generation id of the substituted element is used.
The b) part was fixed by removing the purging logic. It was not
exactly correct, as the previously purged states were actually
used. The purging was not used for anything.
Changes SkClipStack API to highlight that invalid generation id is
never returned by SkClipStack. Empty stacks are wide open. Changes the
clients to reflect this.
Fixes a crash when not passing anti-alias out parameter to
GrReducedClip::ReduceClipStack. The crash is not exercised in the
current code.
Committed: http://code.google.com/p/skia/source/detail?r=12084R=bsalomon@google.com, robertphillips@google.com
Author: kkinnunen@nvidia.com
Review URL: https://codereview.chromium.org/48593003
git-svn-id: http://skia.googlecode.com/svn/trunk@12127 2bbb7eff-a529-9590-31e7-b0007b416f81
Fixes the cases where clip stack reduction would cause clip to be
re-rendered to stencil for each draw call. This causes unneeded
slowdown.
Stencil cache would not be used because the clip stack generation id communicated
by the clip stack element list would be invalid. This happended due to
a) clip stack reduction creating new elements in the element list.
b) purging logic removing the generation id, but reduction logic
selecting already purged element, and thus the generation id, as
the representative state of the clip.
Cases of a) where reduction would flatten the stack to a single new
element were fixed by assigning the generation id of the top-most
element of the clip stack as the generation id of the new
element. This is not strictly minimal, but enables more caching than
using invalid id.
Cases of a) where reduction would substitute a stack element with a
new element the generation id of the substituted element is used.
The b) part was fixed by removing the purging logic. It was not
exactly correct, as the previously purged states were actually
used. The purging was not used for anything.
Changes SkClipStack API to highlight that invalid generation id is
never returned by SkClipStack. Empty stacks are wide open. Changes the
clients to reflect this.
Fixes a crash when not passing anti-alias out parameter to
GrReducedClip::ReduceClipStack. The crash is not exercised in the
current code.
R=bsalomon@google.com, robertphillips@google.com
Author: kkinnunen@nvidia.com
Review URL: https://codereview.chromium.org/48593003
git-svn-id: http://skia.googlecode.com/svn/trunk@12084 2bbb7eff-a529-9590-31e7-b0007b416f81
All are triggered by PDF code.
Two are missing unref's on SkData.
One is a missing unref on a SkAdvancedTypefaceMetrics.
The last is missing destruction of SkClipStack internal state.
BUG=526
Review URL: https://codereview.appspot.com/5824049
git-svn-id: http://skia.googlecode.com/svn/trunk@3386 2bbb7eff-a529-9590-31e7-b0007b416f81
I have manually examined all of these diffs and restored a few files that
seem to require manual adjustment.
The following files still need to be modified manually, in a separate CL:
android_sample/SampleApp/AndroidManifest.xml
android_sample/SampleApp/res/layout/layout.xml
android_sample/SampleApp/res/menu/sample.xml
android_sample/SampleApp/res/values/strings.xml
android_sample/SampleApp/src/com/skia/sampleapp/SampleApp.java
android_sample/SampleApp/src/com/skia/sampleapp/SampleView.java
experimental/CiCarbonSampleMain.c
experimental/CocoaDebugger/main.m
experimental/FileReaderApp/main.m
experimental/SimpleCocoaApp/main.m
experimental/iOSSampleApp/Shared/SkAlertPrompt.h
experimental/iOSSampleApp/Shared/SkAlertPrompt.m
experimental/iOSSampleApp/SkiOSSampleApp-Base.xcconfig
experimental/iOSSampleApp/SkiOSSampleApp-Debug.xcconfig
experimental/iOSSampleApp/SkiOSSampleApp-Release.xcconfig
gpu/src/android/GrGLDefaultInterface_android.cpp
gyp/common.gypi
gyp_skia
include/ports/SkHarfBuzzFont.h
include/views/SkOSWindow_wxwidgets.h
make.bat
make.py
src/opts/memset.arm.S
src/opts/memset16_neon.S
src/opts/memset32_neon.S
src/opts/opts_check_arm.cpp
src/ports/SkDebug_brew.cpp
src/ports/SkMemory_brew.cpp
src/ports/SkOSFile_brew.cpp
src/ports/SkXMLParser_empty.cpp
src/utils/ios/SkImageDecoder_iOS.mm
src/utils/ios/SkOSFile_iOS.mm
src/utils/ios/SkStream_NSData.mm
tests/FillPathTest.cpp
Review URL: http://codereview.appspot.com/4816058
git-svn-id: http://skia.googlecode.com/svn/trunk@1982 2bbb7eff-a529-9590-31e7-b0007b416f81
