Yep, I remembered. It was called 'A Scanner Darkly' and it was a weird trippy drug movie with Keanu Reeves. Here's a short 'making of' video where they talk about their workflow: http://www.youtube.com/watch?v=YS6jgYZnHCU
Yes, the carpet pattern from THE SHINING was in the last one - loved that astute viewers got it. This one is a bit more obscure. If I had the smiley face on it, it would have been too easy to guess (and violate actual copyright).