On 9/4/12 12:43 PM, Boris Zbarsky wrote:
1) Have a way for pages to opt in to software rendering.
2) Opt canvases in to software rendering via some sort of heuristic
(e.g. software by default until there has been drawing to it for
several event loop iterations, or whatever).
3) Have a way for pages to opt in to having snapshots taken.
4) Auto-snapshot based on some heuristics.
5) Save command stream.
6) Have a way for pages to explicitly snapshot a canvas.
7) Require opt in for hardware accelerated rendering.
Any others?
Ms2ger points out (without endorsing) that there's an:
8) Have every author who wants their canvas to stick around call
toDataURL() and stick the result in an <img src>.
This is much like #6 above, except with more pain and suffering and
memory usage and whatnot, but does mean that there is precedent in the
platform for #6...
-Boris
