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* Remove SkLumaXfermode.Gravatar commit-bot@chromium.org2013-10-14
| | | | | | | | | | | | | | Possibly the shortest-lived Skia feature, SkLumaXfermode is now replaced by a color filter implementation (SkLumaColorFilter). All known existing clients (Blink) have been converted. R=reed@google.com Author: fmalita@chromium.org Review URL: https://codereview.chromium.org/26916002 git-svn-id: http://skia.googlecode.com/svn/trunk@11750 2bbb7eff-a529-9590-31e7-b0007b416f81
* Luminance-to-alpha color filter (SkLumaColorFilter).Gravatar commit-bot@chromium.org2013-10-07
| | | | | | | | | | | | | Adding a color filter luma implementation. The plan is to convert existing clients and then deprecate SkLumaXfermode. R=bsalomon@google.com, reed@google.com, robertphillips@google.com Author: fmalita@chromium.org Review URL: https://codereview.chromium.org/25453004 git-svn-id: http://skia.googlecode.com/svn/trunk@11636 2bbb7eff-a529-9590-31e7-b0007b416f81
* Moving 4 SkImageFilter derived classes from blink to skiaGravatar commit-bot@chromium.org2013-09-26
| | | | | | | | | | | | | | | | | | | There were 4 classes in blink that derived from SkImageFilter : - TileImageFilter -> SkTileImageFilter - OffsetImageFilter -> SkOffsetImageFilter (already existed) - FloodImageFilter -> SkFloodImageFilter - CompositeImageFilter -> SkCompositeImageFilter All functions were copied as is, without modification (except for warnings fixes), except for the offset filter, which was merged into the existing SkOffsetImageFilter class, as a special case when a crop rect is provided. Since the names won't clash with the names in blink, it should be easy to integrate them in blink later and fix issues, if needed. BUG= R=senorblanco@google.com, senorblanco@chromium.org, bsalomon@google.com, reed@google.com, mtklein@google.com Author: sugoi@chromium.org Review URL: https://chromiumcodereview.appspot.com/24157005 git-svn-id: http://skia.googlecode.com/svn/trunk@11475 2bbb7eff-a529-9590-31e7-b0007b416f81
* alpha threshold bitmap shaderGravatar commit-bot@chromium.org2013-09-06
| | | | | | | | | | | | Committed: http://code.google.com/p/skia/source/detail?r=11122 R=reed@google.com Author: bsalomon@google.com Review URL: https://chromiumcodereview.appspot.com/23707019 git-svn-id: http://skia.googlecode.com/svn/trunk@11131 2bbb7eff-a529-9590-31e7-b0007b416f81
* Revert "alpha threshold bitmap shader"Gravatar bsalomon@google.com2013-09-05
| | | | | | This reverts commit r11122. git-svn-id: http://skia.googlecode.com/svn/trunk@11123 2bbb7eff-a529-9590-31e7-b0007b416f81
* alpha threshold bitmap shaderGravatar commit-bot@chromium.org2013-09-05
| | | | | | | | | | R=reed@google.com Author: bsalomon@google.com Review URL: https://chromiumcodereview.appspot.com/23707019 git-svn-id: http://skia.googlecode.com/svn/trunk@11122 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add luminance mask transfer modes.Gravatar commit-bot@chromium.org2013-08-23
| | | | | | | | | | | | | | | | | This adds kSrcInLum_Mode and kDstInLum_Mode, to support CSS and SVG luminance masks (http://www.w3.org/TR/css-masking/#MaskValues , http://www.w3.org/TR/SVG/masking.html#Masking ). The transfer coefficient is computed according to http://www.w3.org/TR/2011/REC-SVG11-20110816/filters.html#feColorMatrixElement "luminance-to-alpha": luma = 0.2125 * r + 0.7154 * g + 0.0721 * b R=bsalomon@google.com, reed@google.com, robertphillips@google.com, vandebo@chromium.org Author: fmalita@chromium.org Review URL: https://chromiumcodereview.appspot.com/22918012 git-svn-id: http://skia.googlecode.com/svn/trunk@10887 2bbb7eff-a529-9590-31e7-b0007b416f81
* Upstreaming DropShadowImageFilter into skia, from BlinkGravatar junov@chromium.org2013-08-07
| | | | | | | | | | | | GM imagefiltersbase will need rebaselining after this change R=senorblanco@chromium.org Committed: https://code.google.com/p/skia/source/detail?r=10583 Review URL: https://codereview.chromium.org/22258005 git-svn-id: http://skia.googlecode.com/svn/trunk@10626 2bbb7eff-a529-9590-31e7-b0007b416f81
* Move SkComposeImageFilter into its own {.h, .cpp} filesGravatar commit-bot@chromium.org2013-08-07
| | | | | | | | | | | | | | | In http://crrev.com/21154002, SkComposeImageFilter will be used outside of tests. Consequently, this moves SkComposeImageFilter from SkTestImageFilters.{h, cpp} into its own {.h, .cpp} files. BUG=181613 R=senorblanco@chromium.org Author: ajuma@chromium.org Review URL: https://chromiumcodereview.appspot.com/22438003 git-svn-id: http://skia.googlecode.com/svn/trunk@10591 2bbb7eff-a529-9590-31e7-b0007b416f81
* Reverting r10583: Upstreaming DropShadowImageFilter into skia, from BlinkGravatar jvanverth@google.com2013-08-06
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@10587 2bbb7eff-a529-9590-31e7-b0007b416f81
* Upstreaming DropShadowImageFilter into skia, from BlinkGravatar junov@chromium.org2013-08-06
| | | | | | | | | | GM imagefiltersbase will need rebaselining after this change R=senorblanco@chromium.org Review URL: https://codereview.chromium.org/22258005 git-svn-id: http://skia.googlecode.com/svn/trunk@10583 2bbb7eff-a529-9590-31e7-b0007b416f81
* Remove SkBlendImageFilter, and all tests. Its functionality has been ↵Gravatar senorblanco@chromium.org2013-08-01
| | | | | | | | | | subsumed by SkXfermodeImageFilter. R=robertphillips@google.com Review URL: https://codereview.chromium.org/21404002 git-svn-id: http://skia.googlecode.com/svn/trunk@10482 2bbb7eff-a529-9590-31e7-b0007b416f81
* Move gaussianBlur functionality to src\effectsGravatar robertphillips@google.com2013-07-15
| | | | | | | | https://codereview.chromium.org/18771004/ git-svn-id: http://skia.googlecode.com/svn/trunk@10080 2bbb7eff-a529-9590-31e7-b0007b416f81
* Implement SkXfermode image filter. This required changing the signature of ↵Gravatar senorblanco@chromium.org2013-05-31
| | | | | | | | | | | | | | SkXfermode::asNewEffectOrCoeffs(), to add an optional background texture. For the raster path, we do a straightforward 2-pass method: draw background, then composite the foreground over it. For the GPU path, if the xfermode can be expressed as an effect, we build an effect with the background texture incorporated, then do a single-pass draw fetching both foreground and background textures, and compositing to the result. If the xfermode is expressed as src/dst coefficients, we do a 2-pass draw as in the raster path and use fixed-function blending. R=bsalomon@google.com, reed@google.com Review URL: https://codereview.chromium.org/16125008 git-svn-id: http://skia.googlecode.com/svn/trunk@9373 2bbb7eff-a529-9590-31e7-b0007b416f81
* add SkLerpXfermodeGravatar reed@google.com2013-05-21
| | | | | | | | | BUG= R=bsalomon@google.com Review URL: https://codereview.chromium.org/15602003 git-svn-id: http://skia.googlecode.com/svn/trunk@9229 2bbb7eff-a529-9590-31e7-b0007b416f81
* Allow single-pass filters (which use asNewEffect()) to participate in the ↵Gravatar senorblanco@chromium.org2013-04-08
| | | | | | | | | | image filter DAG. This was done by introducing the SkSinglePassImageFilter abstract base class, which implements canFilterImageGPU() and filterImageGPU() on behalf of the derived class. The derived class still only needs to asNewEffect(). This allows us to recurse on the filter input in SkSinglePassImageFilter::onFilterImageGPU(). It also allows us to remove any knowledge of single-pass image filters from SkGpuDevice and from the SkImageFilter base class as well. BUG= Review URL: https://codereview.chromium.org/13602013 git-svn-id: http://skia.googlecode.com/svn/trunk@8563 2bbb7eff-a529-9590-31e7-b0007b416f81
* New SVG turbulence in SkiaGravatar sugoi@google.com2013-04-05
| | | | | | | | | This cl contains the code for CPU generation of noise. TEST:Added 'perlinnoise' gm Review URL: https://codereview.chromium.org/13094003 git-svn-id: http://skia.googlecode.com/svn/trunk@8541 2bbb7eff-a529-9590-31e7-b0007b416f81
* Reverting r8376, r8373 and r8371 due to Android shader compilation failuresGravatar robertphillips@google.com2013-03-25
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@8378 2bbb7eff-a529-9590-31e7-b0007b416f81
* New SVG turbulence in SkiaGravatar sugoi@google.com2013-03-25
| | | | | | | | | | This cl contains the code for both CPU and GPU generation of noise. Both codepaths yield equivalent results. TEST:Added 'perlinnoise' gm Review URL: https://codereview.chromium.org/13047005 git-svn-id: http://skia.googlecode.com/svn/trunk@8371 2bbb7eff-a529-9590-31e7-b0007b416f81
* Reverting 8313 (SVG turbulence) due to Ubuntu failuresGravatar robertphillips@google.com2013-03-21
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@8316 2bbb7eff-a529-9590-31e7-b0007b416f81
* New SVG turbulence in SkiaGravatar sugoi@google.com2013-03-21
| | | | | | | | | This cl contains the code for both CPU and GPU generation of noise. Both codepaths yield equivalent results. TEST:Added 'perlinnoise' gm Review URL: https://codereview.appspot.com/7322060 git-svn-id: http://skia.googlecode.com/svn/trunk@8313 2bbb7eff-a529-9590-31e7-b0007b416f81
* New SkRectShaderImageFilter image filterGravatar sugoi@google.com2013-02-21
| | | | | | | | | This new changelist also introduces a new image filter called SkRectShaderImageFilter which is make to simply apply a shader on a region without using any inputs. TEST=Added ShaderImageFilter test Review URL: https://codereview.appspot.com/7300046 git-svn-id: http://skia.googlecode.com/svn/trunk@7808 2bbb7eff-a529-9590-31e7-b0007b416f81
* Nuke SkSingleInputImageFilter. 99% of its functionality was refactored into ↵Gravatar senorblanco@chromium.org2013-02-04
| | | | | | | | SkImageFilterUtils in https://code.google.com/p/skia/source/detail?r=7467, so it has outlived its usefulness. Review URL: https://codereview.appspot.com/7277055 git-svn-id: http://skia.googlecode.com/svn/trunk@7563 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add SkImageFilterUtils.h to effects.gypiGravatar robertphillips@google.com2013-01-31
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@7479 2bbb7eff-a529-9590-31e7-b0007b416f81
* This changes the signature of SkImageFilter::filterImageGPU() to use ↵Gravatar senorblanco@chromium.org2013-01-30
| | | | | | | | | | SkBitmaps for input and output, and removes the rect param. This allows us to return textures which are larger than the actual result, such as when GrAutoScratchTextures are used. The SkBitmap's size represents the active region, while the GrTexture's size is the full texture size. This fixes the bicubic image filter GM on the GPU, which otherwise draws garbage outside the filtered region. It also moves us closer to unifying the signatures of SkImageFilter::onFilterImage() and SkImageFilter::filterImageGPU(). Review URL: https://codereview.appspot.com/7180048 git-svn-id: http://skia.googlecode.com/svn/trunk@7467 2bbb7eff-a529-9590-31e7-b0007b416f81
* (Relanding r7275 with assert fix, plus fixes from r7276, r7280, r7283.)Gravatar senorblanco@chromium.org2013-01-18
| | | | | | | | | | | | 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
* Reverting chain of SkBicubicImageFilter changes (7275, 7276, 7280 & 7283)Gravatar robertphillips@google.com2013-01-18
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@7285 2bbb7eff-a529-9590-31e7-b0007b416f81
* Implement a bicubic resampling image filter, with raster and GPU backends.Gravatar senorblanco@chromium.org2013-01-18
| | | | | | | | | 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
* Implementation of the displacement effect (both CPU and GPU)Gravatar sugoi@google.com2013-01-15
| | | | | | | TEST=Added new GM called "displacement" Review URL: https://codereview.appspot.com/7058075 git-svn-id: http://skia.googlecode.com/svn/trunk@7182 2bbb7eff-a529-9590-31e7-b0007b416f81
* Pull SkMergeImageFilter out into its own file.Gravatar senorblanco@chromium.org2012-12-04
| | | | | | Review URL: https://codereview.appspot.com/6873052 git-svn-id: http://skia.googlecode.com/svn/trunk@6662 2bbb7eff-a529-9590-31e7-b0007b416f81
* Break out SkOffsetImageFilter into its own file, and derive it fromGravatar senorblanco@chromium.org2012-11-06
| | | | | | | | SkSingleInputImageFilter, to make it DAG-friendly. Review URL: https://codereview.appspot.com/6822086 git-svn-id: http://skia.googlecode.com/svn/trunk@6315 2bbb7eff-a529-9590-31e7-b0007b416f81
* Implements a matrix convolution filter (raster path only). The filtering loopGravatar senorblanco@chromium.org2012-09-18
| | | | | | | | | | | | is templated on the tiling mode for speed: interior pixels are unconditionally fetched; border pixels apply the appropriate tiling mode before fetching. It handles target, bias, divisor (as gain), and edge modes (named to be more skia-like). It does not handle the "preserveAlpha" semantics of feConvolveMatrix, nor "kernelUnitLength". git-svn-id: http://skia.googlecode.com/svn/trunk@5592 2bbb7eff-a529-9590-31e7-b0007b416f81
* Implements the non-Porter-Duff compositing modes required for SVG's feBlendGravatar senorblanco@chromium.org2012-08-22
| | | | | | | | | | | | element. This filter has two inputs, since normal blending can't be used. The GPU side uses two filter stages to accomplish this: one to sample the background, and one to sample the foreground and blend it. Review URL: https://codereview.appspot.com/6463081/ git-svn-id: http://skia.googlecode.com/svn/trunk@5231 2bbb7eff-a529-9590-31e7-b0007b416f81
* Fix typo in r5202, preventing include files from showing up.Gravatar senorblanco@chromium.org2012-08-20
| | | | | | | | Build fix; unreviewed. git-svn-id: http://skia.googlecode.com/svn/trunk@5205 2bbb7eff-a529-9590-31e7-b0007b416f81
* Extract list of source files from effects.gyp into effects.gypi, as was done forGravatar senorblanco@chromium.org2012-08-20
core.gyp. This should make our lives easier when rolling DEPS. Review URL: https://codereview.appspot.com/6454172/ git-svn-id: http://skia.googlecode.com/svn/trunk@5202 2bbb7eff-a529-9590-31e7-b0007b416f81
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