Rendering
System Design
Update
-
Use (x, y) to lookup z value in
elevation texture
-
Compute
α
-
Blend Geometry
- Blend normals
- Does the shading
- Texture lookup
Vertex Shader
Pixel Shader
•
Upsample coarser
level elevation
texture
•
•
•
Add residuals
•
•
•
Update normal
map texture
Vertex Textures
Supported in DirectX 9.0c
& Shader Model 3.0 on
NVIDIA
GeForce 6800