Re: [filter-effects] @support condition for custom filters

On 12/02/13 10:14 AM, Tab Atkins Jr. wrote:
> Ah, this is why we allowed ourselves an extension point.
>
> You can't do it with the syntax you've provided.  That asks if the
> implementation supports a "filter: webgl" interface.  However, you can
> define a function that asks for that particular support.  For example,
> a filter-type() property could work:
>
> @support (filter-type(webgl)) {
>    @filter curl { ... }
> }

I think that might have been what Dirk meant to type.  What we wrote on 
the whiteboard last week at the SVG F2F was

   @support filter(webgl) { ... }

i.e. using the functional syntax extension point.