[whatwg] Offscreen canvas (or canvas for web workers).

[Oliver Hunt]

On Mar 15, 2010, at 2:24 PM, Vladimir Vukicevic wrote:
> If we wanted to support this across workers (and I think it would be helpful to figure out how to do so), something like saying that if a canvas object was passed (somehow) between workers, it would be a copy -- and internally it could be implemented using copy-on-write semantics.

I had been thinking the same -- it would allow the general case (eg. data is only expected to be used in the worker) to get a mostly free copy.

> 
>    - Vlad
--Oliver