Table of Contents
Lighting and Shading Techniques for Interactive Applications
PPT Slide
Shading Computations
Shading Tradeoff: Per-pixel versus Per-vertex
Per-vertex versus Per-pixel
Per-vertex Computations
Per-vertex Transform & Lighting Dataflow
Per-pixel Computations
Per-pixel Texturing and Shading Dataflow
Hardware Acceleration Trends
Hardware Acceleration Trends
OpenGL Multitexture Extension
OpenGL Multitexture Quick Tutorial
OpenGL Multitexture Texture Environment Example
Extending the OpenGL Texture Environment
Light Maps
Decoupling the Decal Texture and Diffuse Lighting Texture
Lightmap Textures
Lightmaps in Practice
Lightmaps in Quake2
Packing Many Lightmaps into a Single Texture
Spotlights as Lightmap Special Case
Spotlights as Lightmap Special Case
But Projected Textures do not Self-shadow
A Variation on Lightmaps, Gloss Mapping
Gloss Map Example
Environment Mapping
Environment Mapping Example
Practical Environment Mapping
Environment Mapping Issues
Sphere Maps
Sphere Map Intuition
Canonical Sphere Map Texture Image
Sphere Map Singularity
Sphere Map Texture Coordinates
Sphere Map Construction
Making a Cube View
Sphere Map Construction by Image Warping
Sphere Map Math
Computing Reflection Vector
Reflection Vector Math
Sphere Map Specific Math (1)
Sphere Map Specific Math (2)
Reversed Sphere Map Math
Sphere Mapping Must Use Eye Space
Glancing Reflections
Perils of Glancing Reflections
Sphere Map Artifacts at Silhouette Edges
Sphere Map “Sparkle” Artifacts
Sphere Map Interpolation Issues
Sphere Map Mesh
Minimizing Sphere Map Interpolation Artifacts
OpenGL’s Sphere Map Mode
Dual Paraboloid Maps
Dual Paraboloid Map Intuition
Layout of a Dual Paraboloid Textures
Example of Dual Paraboloid Textures
Dual Paraboloid Texture Matrix Setup
Dual Paraboloid Texture Matrix Setup (2)
Dual Paraboloid Math Cheat Sheet
Using Dual Paraboloid Environment Mapping
Assessing Dual Paraboloid Environment Mapping
Cube Map Texturing
Using Cube Maps in OpenGL
OpenGL Cube Map Setup Usage
OpenGL Cube Map Rendering Usage
Advantages of Cube Maps
Novel Uses for Environment Mapping
Example for Stable Specular Highlights
Another Example for Stable Specular Highlights
More Novel Uses for Environment Maps
Per-Pixel Specular Normal Mapping Example
Per-Pixel Specular Normal Mapping Example in Wireframe
Recursive Environment Mapping
Semi-reflective Objects
Fresnel Effects via Environment Maps
Fresnel Effects Example
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