softRenderer

• 2D line rasterization
  • Bresenham algorithm
  • Wu's line algorithm
• 2D triangle rasterization
  • line equation method
  • barycentric method
• 3D triangle rasterization
  • MVP transformation
  • clip & tessellation
  • perspective division, viewport transform
  • back-face culling
  • z buffer
  • top-left rule
  • polygon mode
  • perspective correct interpolation
• lighting
  • programmable shader
  • texture mapping
  • (Blinn-)Phong lighting model
  • normal mapping
  • skybox
  • shadow mapping
• PBR
• IBL
• SSAA
• model loading
• Catmull-Clark subdivision with half-edge
• multi-thread parallel optimization

image based lighting:

model loading and lighting model:

shadow mapping with PCF:

Catmull-Clark subdivision with half-edge: