The plan of the book follows the Java book. Chapter 1 deals with the basics and introduces the libraries that are going to be used. Chapter 2 introduces the graphics pipeline and gives us a first example which surprisingly includes some animation. From here we take a detour into theory, i.e. basic 2 and 3D transformations are introduced along with the dot and cross product. It is very basic and if you have done anything similar you will not have any problems. If you are new to this I would suggest reading another book to expand on the ideas. 

Chapter 4 introduces buffers, uniforms and so on. This is the core chapter you have to master before moving on to anything else. Chapter 5 explains texture mapping, which is the other major idea you need to master. From here the book expands to cover more general topics. Chapter 6 explains how to create simple 3D models and how to import more complex models. Chapter 7 is about lighting - the standard models, Gourand and Phong in particular. Chapter 8 deals with the ever troublesome shadowing and chapter 9 is about backgrounds. Chapter 10 introduces more sophisticated surface effects - bump maps etc. Chapter 11 returns to parametric modelling with a look at surfaces via Bezier curves. Chapter 12 uses this in combination with tessellations to create landscapes. The book rounds out with a look at geometry shaders and other techniques - fog, blending, 3D Textures, noise and so on.

Conclusion

This is an easy introduction to OpenGL, well about as easy as a complex topic can get. The ideas are introduced in plain language and simple programs. There are diagrams  in color to help. The programs also help make the point of what exactly is being proposed so be prepared to read them in detail. You'll also find the code on the CD along with object models, figures and more.

You will need to be fairly good at C++ written in a C style to cope and you will need to do some debugging. but this is how you learn. You will need a reference book to go beyond what the book explains, but the fact it explains it rather than just presents it is a valuable plus.

If you want to use OpenGL from C++/C then this is a good place to start.

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