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3f2d45aff6
skia2/gm
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senorblanco@chromium.org 3f2d45aff6 (Relanding r7275 with assert fix, plus fixes from r7276, r7280, r7283.) 
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
2013-01-18 20:48:20 +00:00
..
resources Create a factory to decode an SkBitmap from an SkData. 2012-11-29 21:05:37 +00:00
tests gm self-test: followup to r7284 2013-01-18 20:03:58 +00:00
aaclip.cpp fix warning from scalar --> int32 conversion 2013-01-07 19:54:40 +00:00
aarectmodes.cpp Enable gm/aarectmodes with pdf config. Does not crash in mac (nor windows) according to comment. I am working to improve pdf, first step to have all gms export to pdf. 2012-10-19 14:17:22 +00:00
arithmode.cpp Defining new color constat for transparent color 2012-12-06 21:47:40 +00:00
bicubicfilter.cpp (Relanding r7275 with assert fix, plus fixes from r7276, r7280, r7283.) 2013-01-18 20:48:20 +00:00
bigmatrix.cpp fix warning from scalar --> int32 conversion 2013-01-07 19:54:40 +00:00
bitmapcopy.cpp Add flag to skip pipe on select GMs 2012-07-20 18:45:10 +00:00
bitmapfilters.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
bitmapmatrix.cpp Added additional case to GM:drawbitmapmatrix 2012-09-28 17:24:44 +00:00
bitmaprect.cpp Fixed remaining clang compiler warnings 2012-12-03 17:35:19 +00:00
bitmapscroll.cpp fix warning from scalar --> int32 conversion 2013-01-07 19:54:40 +00:00
blend.cpp Changing imageFilter GM tests to use drawBitmap instead of drawSprite 2013-01-14 16:27:50 +00:00
blurrect.cpp Fix leaks in blurrect benchs and gm. 2013-01-11 20:54:44 +00:00
blurs.cpp Only skip pipe playback for blurs GM in FIXED mode. 2012-06-29 19:25:21 +00:00
circles.cpp Add file missing from r3682 checkin 2012-04-16 14:19:32 +00:00
cmykjpeg.cpp fix warning from scalar --> int32 conversion 2013-01-07 19:54:40 +00:00
colorfilterimagefilter.cpp Add a factory Create function for SkColorFilterImageFilter, and move the matrix optimization there. This will allow the Chrome compositor to extract the optimized matrix, and potentially apply the color matrix itself, saving a buffer allocation & draw. 2012-10-26 19:37:00 +00:00
colormatrix.cpp Add transparent source bitmap to colormatrix GM. 2012-10-16 17:50:48 +00:00
complexclip2.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
complexclip.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
composeshader.cpp Provide static global initializers for SkColorTable and SkComposeShader. 2012-07-02 19:07:57 +00:00
convexpaths.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
cubicpaths.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
dashcubics.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
dashing.cpp dashing asPoints could draw excessively long first dash 2013-01-15 12:53:31 +00:00
degeneratesegments.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
displacement.cpp Sanitizing source files in Skia_Periodic_House_Keeping 2013-01-16 07:05:56 +00:00
distantclip.cpp Sanitizing source files in Skia_Periodic_House_Keeping 2012-09-18 02:01:09 +00:00
drawbitmaprect.cpp Defining new color constat for transparent color 2012-12-06 21:47:40 +00:00
drawlooper.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
emptypath.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
extractbitmap.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
factory.cpp Create a factory to decode an SkBitmap from an SkData. 2012-11-29 21:05:37 +00:00
fatpathfill.cpp Defining new color constat for transparent color 2012-12-06 21:47:40 +00:00
filltypes.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
filltypespersp.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
fontscaler.cpp Re-enable gm fontscaler for Android 2012-06-26 17:23:52 +00:00
gammatext.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
getpostextpath.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
giantbitmap.cpp eliminate all warnings in non-thirdparty code on mac 2013-01-07 16:47:43 +00:00
gm_expectations.h Reapply r7198 with Mac/Windows fixes 2013-01-17 17:54:28 +00:00
gm.cpp add onOnceBeforeDraw() virtual, so gm's can easily perform lazy initialization 2012-11-27 15:15:58 +00:00
gm.h Changing imageFilter GM tests to use drawBitmap instead of drawSprite 2013-01-14 16:27:50 +00:00
gmmain.cpp Reapply r7198 with Mac/Windows fixes 2013-01-17 17:54:28 +00:00
gradients.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
gradtext.cpp fixed compiler complaints 2012-09-17 12:05:40 +00:00
hairmodes.cpp add onOnceBeforeDraw() virtual, so gm's can easily perform lazy initialization 2012-11-27 15:15:58 +00:00
hittestpath.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
image.cpp remove unused (and undefined) SkColorSpace parameter. 2012-11-15 02:37:45 +00:00
image.h check-point for image/surface work 2012-07-29 20:38:16 +00:00
imageblur.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
imagefiltersbase.cpp Changing imageFilter GM tests to use drawBitmap instead of drawSprite 2013-01-14 16:27:50 +00:00
imagefiltersgraph.cpp Pull SkMergeImageFilter out into its own file. 2012-12-04 14:18:50 +00:00
imagemagnifier.cpp Skip tiled drawing in GM for magnifier image filter. 2012-08-15 16:32:19 +00:00
lcdtext.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
lighting.cpp Changing imageFilter GM tests to use drawBitmap instead of drawSprite 2013-01-14 16:27:50 +00:00
linepaths.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
matrixconvolution.cpp Changing imageFilter GM tests to use drawBitmap instead of drawSprite 2013-01-14 16:27:50 +00:00
modecolorfilters.cpp Sanitizing source files in Skia_Periodic_House_Keeping 2012-12-13 02:01:33 +00:00
morphology.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
ninepatchstretch.cpp Defining new color constat for transparent color 2012-12-06 21:47:40 +00:00
nocolorbleed.cpp Import all GMs as Samples. 2011-10-31 14:18:20 +00:00
patheffects.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
pathfill.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
pathinterior.cpp Sanitizing source files in Skia_Periodic_House_Keeping 2012-12-06 02:01:25 +00:00
pathreverse.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
points.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
poly2poly.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
quadpaths.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
rrect.cpp Sanitizing source files in Skia_Periodic_House_Keeping 2012-12-18 02:03:03 +00:00
rrects.cpp fix compiler warnings: 2012-12-24 13:56:17 +00:00
samplerstress.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
shaderbounds.cpp Fix some fixed-point bugs. 2012-04-17 21:46:18 +00:00
shadertext2.cpp Defining new color constat for transparent color 2012-12-06 21:47:40 +00:00
shadertext3.cpp Minor cleanup 2012-12-12 15:58:25 +00:00
shadertext.cpp Defining new color constat for transparent color 2012-12-06 21:47:40 +00:00
shadows.cpp Fix type errors and a few warnings for Visual Studio 2010 64-bit build. 2012-05-17 15:38:00 +00:00
simpleaaclip.cpp Sanitizing source files in Skia_Periodic_House_Keeping 2012-12-15 02:03:10 +00:00
spritebitmap.cpp Sanitizing source files in Skia_Periodic_House_Keeping 2013-01-17 07:06:06 +00:00
srcmode.cpp flag the GM if we're in deferred-canvas mode, to work-around bug trying to 2012-11-16 13:41:45 +00:00
strokefill.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
strokerect.cpp test for StrokeAndFill as well in this GM 2012-11-20 21:32:30 +00:00
strokerects.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:14:13 +00:00
strokes.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
system_preferences_default.cpp Set LCD font smoothing to "medium" for gm on Mac, regardless of system settings 2012-02-14 14:53:59 +00:00
system_preferences_mac.mm gm: Include system_preferences.h in mac file. 2012-09-26 15:41:42 +00:00
system_preferences.h Set LCD font smoothing to "medium" for gm on Mac, regardless of system settings 2012-02-14 14:53:59 +00:00
tablecolorfilter.cpp Defining new color constat for transparent color 2012-12-06 21:47:40 +00:00
techtalk1.cpp re-re-land 5578 2012-09-18 15:14:33 +00:00
testimagefilters.cpp Pull SkMergeImageFilter out into its own file. 2012-12-04 14:18:50 +00:00
texdata.cpp Remove default implementation of GrEffect::isEqual. Make GrSingleTextureEffect abstract. 2013-01-17 16:50:08 +00:00
texteffects.cpp Make texteffects gm work through serialization and pipe. 2012-09-12 18:53:49 +00:00
tilemodes.cpp eliminate all warnings in non-thirdparty code on mac 2013-01-07 16:47:43 +00:00
tinybitmap.cpp add onOnceBeforeDraw() virtual, so gm's can easily perform lazy initialization 2012-11-27 15:15:58 +00:00
twopointradial.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
typeface.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
valgrind.supp Close an (incidental) memory leak in gmmain. 2012-03-15 13:39:51 +00:00
verttext2.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
verttext.cpp Vertical metrics for FreeType. 2012-09-25 20:38:28 +00:00
verylargebitmap.cpp Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/) 2012-08-23 18:19:56 +00:00
xfermodes.cpp Defining new color constat for transparent color 2012-12-06 21:47:40 +00:00