1. What have you tried?Nothing happens! I can see only blank screen (white, to be exect). There are no compile exceptions. Without shaders everything works fine, I can build triangles and lines.
2. Define "doesn't work". What happens?
1. What I've tried and trying to do is written above. Сertainly not as a book says, but I think it is clear. If you need more information, just say what exactly you need and i'll post it here.