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Yegor 254263f3b1 Introduce an auto-deletable SkiaObject; make SkPaint a SkiaObject (flutter/engine#14486) 
* Introduce `SkiaObject` an object that's backed by Skia C++ objects that need to be explicitly deleted.
* Automatically delete `SkiaObject`s at the end of frame.
* Make `SkPaint` a `SkiaObject`.

Because `SkiaObject`s are deleted at the end of the frame, the object can be reused as many times as necessary within the frame. `SkPaint` in particular is a fairly expensive object. Reusing this object, for example, on `drawRRect` drops the canvas paint time by 30%.
2019-12-13 15:42:04 -08:00
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src/flutter
Introduce an auto-deletable SkiaObject; make SkPaint a SkiaObject (flutter/engine#14486)
2019-12-13 15:42:04 -08:00