- Add drawOval base function to SkDevice, and override in SkGpuDevice
- Move isSimilarityMatrix to SkMatrix (renamed to isSimilarity) and fixed up unit test
- Since both SkGpuDevice::drawOval() and GrContext::drawPath() can try to draw ovals, added GrContext::canDrawOval() and GrContext::internalDrawOval() to avoid duplicate code
- Hooked in axis-aligned oval fill shader
- Enabled GPU stroked circles
- Added stroked circle bench test
Review URL: https://codereview.appspot.com/7137050
git-svn-id: http://skia.googlecode.com/svn/trunk@7304 2bbb7eff-a529-9590-31e7-b0007b416f81
Implement a bicubic resampling image filter, with raster and GPU backends.
In order to get this to work on the GPU side, I had to modify the width and height of the drawn texture in drawSprite() and drawDevice() to use the filtered texture's dimensions, instead of the source texture. (This wasn't a problem before since all other image filters produce results the same dimensions as their input texture.)
For now, this implementation only does axis-aligned scaling (same as the Lanczos-3 implementation in Chrome). It's also done for correctness and clarity, not speed, so there are lots of opportunities for speedups.
Committed: https://code.google.com/p/skia/source/detail?r=7275
Review URL: https://codereview.appspot.com/7033049
git-svn-id: http://skia.googlecode.com/svn/trunk@7287 2bbb7eff-a529-9590-31e7-b0007b416f81
In order to get this to work on the GPU side, I had to modify the width and height of the drawn texture in drawSprite() and drawDevice() to use the filtered texture's dimensions, instead of the source texture. (This wasn't a problem before since all other image filters produce results the same dimensions as their input texture.)
For now, this implementation only does axis-aligned scaling (same as the Lanczos-3 implementation in Chrome). It's also done for correctness and clarity, not speed, so there are lots of opportunities for speedups.
Review URL: https://codereview.appspot.com/7033049
git-svn-id: http://skia.googlecode.com/svn/trunk@7275 2bbb7eff-a529-9590-31e7-b0007b416f81
and we have explicit (enum-based) constructors to distinguish that from uninitialized.
git-svn-id: http://skia.googlecode.com/svn/trunk@7228 2bbb7eff-a529-9590-31e7-b0007b416f81
This patch ensures that when Skia is built for Chromium, it will
always use the Android NDK's cpu-features helper library to detect
NEON at runtime.
This is needed because sandboxed Chromium renderer processes cannot
access /proc, and the probing performed in SkUtilsArm.cpp will never
work. As such, the NEON code paths will never be used even when the
device supports them.
Chromium has special code that ensures that the browser process
passes the CPU features flags to every renderer process, but
Skia needs to use android_getCpuFeatures() to get them.
See http://crbug.com/164154 for full details.
Review URL: https://codereview.appspot.com/7102045
git-svn-id: http://skia.googlecode.com/svn/trunk@7149 2bbb7eff-a529-9590-31e7-b0007b416f81
SkMemoryStream attempts to dereference fData in multiple places.
Instead of allowing it to be NULL, resulting in a crash, set it
to SkData::NewEmpty().
Add a test for SkStream that will crash when its SkData is set to NULL.
Review URL: https://codereview.appspot.com/7061059
git-svn-id: http://skia.googlecode.com/svn/trunk@7111 2bbb7eff-a529-9590-31e7-b0007b416f81
Here are the characteristics :
- It uses the original path, before stroking
- It supports traight lines only (no curves)
- It supports butt or square caps only
- It supports miter or bevel joins only
- No AA support
Support for these will be added step by step later on.
A first pass at the benchmarks on my linux machine gave me these approximate speed improvements (running all bench with the option '--forceAA 0') :
path_stroke_small_long_line 4X
path_stroke_small_sawtooth 4X
path_stroke_big_rect 4X
path_stroke_small_rect 6X
path_stroke_big_triangle 4X
path_stroke_small_triangle 10X
lines_1_BW 1.5X
dashline_2_square 1.5X
dashline_1_square 1.5X
Also note that I can't submit this code until GrDrawTarget::isOpaque() is implemented, unless I just disable my renderer completely for now.
BUG=chromium:135111
TEST=The following gms are affected and may require rebaselining : lineclosepath, linepath, strokes_poly
Review URL: https://codereview.appspot.com/7026049
git-svn-id: http://skia.googlecode.com/svn/trunk@7047 2bbb7eff-a529-9590-31e7-b0007b416f81
