Yes, apparently it's a way to force ICE to push the declared attributes, so that those attributes can be queried by the appropriate SDK calls, without needing the sad hacks (1. Display the attributes in the viewport, 2. Pull the attribute in the RT by a dummy attribute shader)
On Mon, Jan 28, 2013 at 9:22 PM, Stephen Blair <[email protected]>wrote: > It tells Softimage that the shader wants data from ICE graph. Or > something like that. >

