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OpenGL SuperBible: Comprehensive Tutorial and Reference, Fourth Edition by Nicholas Haemel, Benjamin Lipchak, Richard S. Wright

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Chapter 13. Occlusion Queries: Why Do More Work Than You Need To?

by Benjamin Lipchak

WHAT YOU’LL LEARN IN THIS CHAPTER:

Image

Complex scenes contain hundreds of objects and thousands upon thousands of polygons. Consider the room you’re in now, reading this book. Look at all the furniture, objects, and other people or pets, and think of the rendering power needed to accurately represent their complexity. Several readers will find themselves happily sitting on a crate near a computer in an empty studio apartment, but the rest will envision a significant rendering workload around them.

Now think of all the things you can’t see: objects hidden behind ...

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