Pro OpenGL ES for Android

Cover
	Contents at a Glance
	Contents
	About the Authors
	About the Technical Reviewer
	Acknowledgments
	Introduction
Computer Graphics: From Then to Now
	Your First OpenGL ES Program
	A Spotty History of Computer Graphics
		3D in Hollywood
		The Dawn of Computer Graphics
			MIT
			University of Utah
			Coming of Age in Hollywood
	Toolkits
		OpenGL
		Direct3D
		The Other Guys
			QuickDraw 3D
			OGRE
			OpenSceneGraph
			Unity3D
			And Still Others
	OpenGL Architecture
	Summary
All That Math Jazz
	2D Transformations
		Translations
		Rotations
		Scaling
	3D Transformations
		Picture This: Projecting the Object onto the Screen
		Now Do it Backward and in High Heels
		What About Quaternions?
	Summary
From 2D to 3D: Adding One Extra Dimension
	First, a Little More Theory
		OpenGL Coordinates
		Eye Coordinates
		Viewing Frustum and the Projection Matrix
	Back to the Fun Stuff: Going Beyond the Bouncy Square
		Adding the Geometry
		Stitching It All Together
			Taking ’er Out for a Spin
			Tweaking the Values
	Building a Solar System
	Summary
Turning On the Lights
	The Story of Light and Color
	Let There Be Light
	Back to the Fun Stuff (for a While)
		Fun with Light and Materials
			Specular Lighting
			Ambient Lighting
			Taking a Step Back
			Emissive Materials
			Attenuation
			Spotlights
			Light Parameters in Play
		The Math Behind Shading
		Specular Reflections
			Attenuation
			Summing It All Up
			So, What’s This All For?
	More Fun Stuff
	Back to the Solar System
	And the Banding Played On
	Summary
Textures
	The Language of Texturing
		All About Textures (Mostly)
		Image Textures
		OpenGL ES and Textures
		Image Formats
	Back to the Bouncy Square One
		Mipmaps
		Filtering
		OpenGL Extensions
	Finally, More Solar System Goodness
	Summary
Will It Blend?
	Alpha Blending
		Blending Functions
		Multicolor Blending
	Texture Blending
		Multitexturing
		Mapping with Bumps
	Summary
Well-Rendered Miscellany
	Frame Buffer Objects
		Hedley Buffer Objects
		Sun Buffer Objects
	Lens Flare
	Reflective Surfaces
	Coming of the Shadows
		Shadow Mapping
		Shadow Volumes
		Blob Shadows
		Projection Shadows
	Summary
Putting It All Together
	Revisiting the Solar System
	What Are These Quaternion Things Anyway?
	Moving Things in 3D
	Adding Some Flare
	Seeing Stars
	Seeing Lines
	Seeing Text
	Seeing Buttons
	Summary
Performance ’n’ Stuff
	Vertex Buffer Objects
	Batching
	Textures
	Sprite Sheets
	Texture Uploads
	Mipmaps
	Fewer Colors
	Other Tips to Remember
	Summary
OpenGL ES 2, Shaders, and…
	Shaded Pipelines
		Shady Triangles
		Shader Structure
		Restrictions
	Back to the Spinning Triangle
	Earth at Night
		Bring in the Clouds
		But What About Specular Reflections?
	Summary
Index
	Symbols and Numbers
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