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Structured clone of ImageBitmaps has to be defined; since they're immutable, it's straightforward. The implementation can share the underlying buffer data across threads. An ImageBitmap can also be implemented as the result of deferred rendering of a list of drawing commands. | Structured clone of ImageBitmaps has to be defined; since they're immutable, it's straightforward. The implementation can share the underlying buffer data across threads. An ImageBitmap can also be implemented as the result of deferred rendering of a list of drawing commands. | ||
transferControlToWorker behaves like transferControlToProxy in the current WHATWG spec. It's transferable, but transfer fails if transferred other than from the main thread to a worker. All its methods throw if not called on a worker, or if it's neutered. | |||
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