  Re: Update on CSS shaders security issue  From: Chris Marrin
<cmarrin@apple.com> Date: Sat, 21 Apr 2012 08:02:01 -0700
Message-id: <57954225-D9C5-44CA-95A9-88BCB6793323@apple.com> To:
Vincent Hardy <vhardy@adobe.com>  I just wanted to toss my 2
cents in here. First let me say that while I'm still editor of
the WebGL spec, I'm no longer in the WebKit group. So my
observations about CSS shaders are as an interested 3rd party.
And let me also say that I have great respect for all the work
this group has done.  If I am reading your proposal right you're
saying that we will have no access to the texture we're
filtering in the shaders. If so, that would seem to nullify the
usefulness of this feature. The two examples you give (vertex
shader-based image warping and fragment shader "lighting") are
really the only two effects that would be practical. Vertex
shader warping is mildly interesting, but will need very dense
meshes to get really interesting effects. But you're really only
allowing fragment shaders to be i