User:Roc/WorkerCanvasProposal: Difference between revisions

User:Roc/WorkerCanvasProposal (view source)

11 bytes added , 18 October 2013

1,295

edits

@@ Line 28: / Line 28: @@
 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.
+transferControlToWorker behaves like transferControlToProxy in the current WHATWG spec. WorkerCanvas is 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.
 HTMLImageElement.srcObject behaves like HTMLMediaElement.srcObject: if non-null, it takes precedence over the "src" attribute and renders the contents of the Blob (as a decoded image) or the ImageBitmap.