OpenGL Insights

8 IDiscovering

ways with almost identical code. We have found this feature to be extremely helpful

in teaching some of the more difficult parts of a course. These advantages override the

potential objections that, once again, we are giving students code instead of having

them write their own and also acknowledge that we really are using some C++ to

teach the introductory course.

1.5 Hello World: New Style

E ven the simplest application program can be divided into three parts: an initializa-

tion that sets up the shaders and the interface with the window system, a stage that

forms the data and sends the data to the GPU, and a stage that renders the data ...