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skia2/RELEASE_NOTES.txt
Ravi Mistry cb55010652 Revert "Reland "SkSurface asynchronous read APIs allow client to extend pixel lifetime"" 
This reverts commit 6fc04f88a8.

Reason for revert: Chrome roll failure suspect because of:
* https://chromium-review.googlesource.com/c/chromium/src/+/1837131 (22 commits)
* https://chromium-review.googlesource.com/c/chromium/src/+/1837214 (24 commits)

Original change's description:
> Reland "SkSurface asynchronous read APIs allow client to extend pixel lifetime"
>
> This is a reland of ce240cc6fd
>
> Original change's description:
> > SkSurface asynchronous read APIs allow client to extend pixel lifetime
> >
> > Previously the pixel data passed to the client was only valid during
> > the client's callback. This meant if the client wanted to defer
> > processing of the data a copy was necessary.
> >
> > Now we pass an object to the callback and the pixel lifetime is tied
> > to the lifetime of that object.
> >
> > The object may be holding a GPU transfer buffer mapped. We don't assume
> > that the object will be released on the direct GrContext thread. So
> > when the object is destroyed it posts a message to a new type,
> > GrClientMappedBufferManager, hanging off the direct context. The direct
> > context will periodically check for messages and unmap and then unref
> > buffers so that they can be reused. Currently this is done in
> > GrContext::performDeferredCleanup() and GrDrawingManager::flush().
> >
> > The old API is kept around for backwards compatibility but it is
> > reimplemented as a bridge on top of the new mechanism.
> >
> > Also a utility function to SkImageInfo is added to directly make a new
> > info with a specified dimensions rather than passing the width and
> > height separately to makeWH().
> >
> > Bug: chromium:973403
> > Bug: skia:8962
> >
> > Change-Id: Id5cf04235376170142a48e90d3ecd13fd021a2a6
> > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/245457
> > Reviewed-by: Brian Osman <brianosman@google.com>
> > Commit-Queue: Brian Salomon <bsalomon@google.com>
>
> Bug: chromium:973403, skia:8962
> Change-Id: I5cecd36276c8b6dc942cf549c7095db2df88530c
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/245678
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Brian Salomon <bsalomon@google.com>

TBR=bsalomon@google.com,brianosman@google.com

Change-Id: I9e01d1b82fb399b94292441d91da51176bb161d9
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:973403, skia:8962
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/245956
Reviewed-by: Ravi Mistry <rmistry@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>
2019-10-03 09:19:24 +00:00

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Skia Graphics Release Notes
This file includes a list of high level updates for each milestone release.
* * *
Milestone 79
[Insert new notes here.]
* 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
* Added RELEASE_NOTES.txt file
https://review.skia.org/229760
* 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
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