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Re: Merging CSS Shaders proposal into Filter Effects

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Mon, 31 Oct 2011 16:34:13 -0700
Message-ID: <CAAWBYDCjnBucF+0+xfq_MdRb9B0JFBYkOBWzsAu7_S=zwBt9Sg@mail.gmail.com>
To: Vincent Hardy <vhardy@adobe.com>
Cc: Patrick Dengler <patd@microsoft.com>, Dirk Schulze <vbs85@gmx.de>, Dean Jackson <dino@apple.com>, "public-fx@w3.org" <public-fx@w3.org>
On Mon, Oct 31, 2011 at 10:30 AM, Vincent Hardy <vhardy@adobe.com> wrote:
> Tab: you mention that more things than the shading language are contentious.
> Can you explain what these contentious issues are?
> Are you referring to the issues raised on the mailing list:
> http://www.w3.org/Graphics/fx/wiki/Custom_Filters#Issues_List
> or something else?

I'm specifically referring to the issue of selecting through a vertex
filter, and the security issues with using a fragment shader to
extract information through a timing channel.  Both of these are
unaddressed and probably difficult to deal with, and may take a decent
amount of time to deal with.


> The CSS shaders proposal responds to the feCustom 'question' in the 'Filter
> Effects' specification and it seems more natural to integrate it than keep
> it a separate specification.

Or we can just move the definition of <feCustom> to Shaders.

~TJ
Received on Monday, 31 October 2011 23:35:11 GMT

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