The red book is referenced by countless tutorials and numerous sites as the book to read if you are doing OpenGL stuff. I concur, its very well written and I intend on buying a copy of it (well putting in a PO for the company to anyway). Here is an older version of the book which is available online for free:
I am currently doing some socket programming using
SDL_Net and
UDP. If you are in a similar situation I would reccomend reading the following articles:
As part of my new job I have been doing quite a bit of research into 2d graphics drawing. Part of this involves looking at the advantages of using graphic cards to do 2d drawings via
OpenGL and
SDL. Any way here are a couple of good articles/tutorials about the subject: