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skia2/RELEASE_NOTES.txt
Brian Salomon c75bc031ef Clamp RGB outputs of GrYUVtoRGBEffect. 
The matrices we're using can produce very slightly out of range color
channels. This gives surprising results when in shader blending is used
for color burn and color dodge. After this change we clamp the RGB
values to 0..1 before applying premul.

Adds a GM modeled on a blink layout test that shows the problem using
SkImageMakeFromYUVAPixmaps.


Bug: skia:9619


Change-Id: I446d39763a7f5a2f7c5f61d94d163927d851baa3
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/253879
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2019-11-11 20:04:15 +00:00

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Skia Graphics Release Notes
This file includes a list of high level updates for each milestone release.
* * *
Milestone 80
<Insert new notes here- top is most recent.>
* Added SkImageInfo::MakeA8(SkISize) and added optional color space parameter to
SkImageInfo::MakeN32Premul(SkISize).
* Added dimensions() and getFrameCount() to SkAnimatedImage
https://review.skia.org/253542
* Removed SkMatrix44 version of toXYZD50 from SkColorSpace. Switched to skcms types in
transferFn, invTrasnferFn, and gamutTransformTo functions.
https://review.skia.org/252596
* Removed rotation and YUV support from SkColorMatrix
https://review.skia.org/252188
* Added kBT2020_SkYUVColorSpace. This is BT.2020's YCbCr conversion (non-constant-luminance).
https://review.skia.org/252160
* Remove old async read pixels APIs
https://review.skia.org/251198
* Expose SkBlendModeCoeff and SkBlendMode_AsCoeff for Porter-Duff blend modes.
https://review.skia.org/252600
* * *
Milestone 79
* SkTextBlob::Iter to discover the glyph indices and typefaces in each run
https://skia-review.googlesource.com/246296
* Added support for PQ and HLG transfer functions to SkColorSpace.
https://skia-review.googlesource.com/c/skia/+/249000
* Added new api on GrContext ComputeImageSize. This replaces the hold static helper
ComputeTextureSize.
https://skia-review.googlesource.com/c/skia/+/247337
* New versions of SkSurface async-rescale-and read APIs that allow client to extend
the lifetime of the result data. Old versions are deprecated.
https://review.skia.org/245457
* Add SkColorInfo. It's dimensionless SkImageInfo.
https://review.skia.org/245261
* Added SkPixmap-based createBackendTexture method to GrContext. This allows clients to create
backend resources (initialized with texture data) that Skia/Ganesh doesn't know about/track.
https://review.skia.org/244676
* Add explicit src and dst colorspace parameters to SkColorFilter::filterColor4f()
https://review.skia.org/244882
* Remove Vulkan/Metal float32 RGBA texture support
https://review.skia.org/244881
* Add SkSurface::MakeFromCAMetalLayer
https://review.skia.org/242563
* Added kAlpha_F16_SkColorType, kRG_F16_SkColorType and kRGBA_16161616_SkColorType.
This is intended to help support HDR YUV uses case (e.g., P010 and P016). As such,
the addition is focused on allowing creation of SkPixmaps and SkImages and not
SkSurfaces (i.e., who wants to render to render to these?)
https://review.skia.org/241357
* Start to move nested SkPath types (e.g. Direction, Verb) up to root level in SkPathTypes.h
https://review.skia.org/241079
* Remove isRectContour and ksNestedFillRects from public
https://review.skia.org/241078
* Added kRG_88_SkColorType. This is intended to help support YUV uses case (e.g., NV12).
As such, the addition is focused on allowing creation of SkPixmaps and SkImages and not
SkSurfaces (i.e., who wants to render to RG?)
https://review.skia.org/239930
https://review.skia.org/235797
* Make the size of program/pipeline caches configurable via
GrContextOptions::fRuntimeProgramCacheSize
https://review.skia.org/239756
* Added kAlpha_16_SkColorType and kRG_1616_SkColorType. This is intended to help support HDR YUV
uses case (e.g., P010 and P016). As such, the addition is focused on allowing creation of
SkPixmaps and SkImages and not SkSurfaces (i.e., who wants to render to render to these?)
https://review.skia.org/239930
* Add GrContext::precompileShader to allow up-front compilation of previously-cached shaders.
https://review.skia.org/239438
* * *
Milestone 78
* SkDrawLooper is no longer supported in SkPaint or SkCanvas.
https://review.skia.org/230579
https://review.skia.org/231736
* SkPath::Iter::next() now ignores its consumDegenerates bools. Those will so
go away entirely
https://review.skia.org/235104
* SkImage: new factories: DecodeToRaster, DecodeToTexture
https://review.skia.org/234476
* SkImageFilter API refactor started:
- Provide new factory API in include/effects/SkImageFilters
- Consolidated enum types to use SkTileMode and SkColorChannel
- Hide filter implementation classes
- Hide previously public functions on SkImageFilter that were intended for
internal use only
https://review.skia.org/230198
https://review.skia.org/230876
https://review.skia.org/231256
* SkColorFilters::HSLAMatrix - new matrix color filter operating in HSLA
space.
https://review.skia.org/231736
* Modify GrBackendFormat getters to not return internal pointers. Use an enum
class for GL formats.
https://review.skia.org/233160
* Expose GrContext::dump() when SK_ENABLE_DUMP_GPU is defined.
https://review.skia.org/233557
* Vulkan backend now supports YCbCr sampler for I420 Vulkan images that are
not backed by external images.
https://review.skia.org/233776
* Add SkCodec::SelectionPolicy for distinguishing between decoding a still
image or an image sequence for a container format that has both (e.g. HEIF).
https://review.skia.org/232839
* SkImage::makeTextureImage and SkImage::MakeCrossContextFromPixmap no longer
take an SkColorSpace parameter. It was unused.
https://review.skia.org/234579
https://review.skia.org/234912
* SkImage::reinterpretColorSpace - to reinterpret image contents in a new
color space.
https://review.skia.org/234328
* Removed SkImage::MakeCrossContextFromEncoded.
https://review.skia.org/234912
* Add Metal support for GrFence, GrSemaphore, and GrBackendSemaphore
https://review.skia.org/233416
* SkMallocPixelRef: remove MakeDirect and MakeWithProc from API.
https://review.skia.org/234660
* Remove 4-parameter variant of SkRect::join() and intersect(), and
noemptycheck variants of intersect().
https://review.skia.org/235832
https://review.skia.org/237142
* Remove unused sk_sp comparison operators.
https://review.skia.org/236942
* Add SkColor4f variant to experimental_DrawEdgeAAQuad for SkiaRenderer.
https://review.skia.org/237492
* Deprecated maxCount resource cache limit for Ganesh.
This hasn't been relevant for a long time.
* Changed GrContextOptions' fDisallowGLSLBinaryCaching to fShaderCacheStrategy,
and allow caching SkSL.
https://review.skia.org/238856
* Use GL_QCOM_TILED_RENDERING to explicitly discard stencil
* Added RELEASE_NOTES.txt file
https://review.skia.org/229760
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