pouët.net

How do they do that motion blur in games nowadays? It usually looks good enough. Do they render the position to a buffer and then blur the image using the difference in the position? That would be fast if we already have the position from deferred rendering. Yes/No?

http://www.gamedev.net/community/forums/topic.asp?topic_id=387691

now that was hard to find out :)

Stupid OpenGL Shader Tricks?