The OpenGL Architecture Review Board has released the official OpenGL 2.0 specification.
The majority of these recipes are specific implementations of a more general patching concept. As with any collection of recipes, you will want to take these basic techniques and personalize them for your own uses.
Quasi-Granulizer is not a granular synthesizer, but it works on similar principles.
Book 1 contains some clever solutions, advanced trans-coding techniques, groovy audio/visual toys, and basic building blocks for more complex processing.