[whatwg] [2D Canvas] Proposal: Losing and restoring rendering contexts

Rik Cabanier cabanier at gmail.com
Sun Oct 20 16:12:36 PDT 2013

Hi Justin,

I spoke with some game developers and they are really pleased with this
Adobe introduced a similar concept in Stage3D. Some of the pain
points/mistakes of that implementation (such as the throwing of exceptions
during a context loss) are addressed in this approach.

On Fri, Oct 18, 2013 at 11:19 AM, Justin Novosad <junov at google.com> wrote:

> Hi All,
> A few weeks ago there was a discussion on the
> graphics-dev at chromium.orgmailing list about the idea of adding support
> for discarding and restoring
> 2D canvas contexts.
> https://groups.google.com/a/chromium.org/forum/#!topic/graphics-dev/CQJXpXxO6dk
> This idea has been discussed in the past on this mailing list but failed to
> gain much traction. This time, I believe we have come up with compelling
> requirements and use cases. Here is a wiki page with the proposal:
> http://wiki.whatwg.org/wiki/Canvas_Context_Loss_and_Restoration
> Please share your thoughts.
>     -Justin

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