Re: [css-compositing] new Editor's draft posted -> update

On Thu, May 23, 2013 at 8:09 PM, Rik Cabanier <> wrote:

> On Thu, May 23, 2013 at 7:53 PM, Robert O'Callahan <>wrote:
>> SVG filters using 'BackgroundImage' has all the problems of CSS
>> blending/compositing, basically.
> Yes.
> I think there is now a clear path on how to calculate the backdrop for
> HTML but how to calculate it for SVG is still in question.
> There is a spec but only IE and opera implemented it and I think it might
> be cpu intensive.

Just tested on IE10: enable-background seems to be working fine in SVG on
IE10/Tablet unless I've made a syntax error (screenshots below). SVG
filters are hw accelerated in IE10, so it's pretty fast.

basic enable-background:
feBlend=screen example with opacity

> Filters, blending and opacity should probably cause isolation...

Received on Friday, 24 May 2013 04:05:11 UTC