Phong shading
Sombreado de Phong
- Date
- 1973 · confidence high
- Place
- Salt Lake City, Utah, United States
- Credited to
- Bui Tuong Phong
- Field
- Knowledge & symbols
What it is
A surface-normal interpolation technique across rasterized polygons that computes each pixel's color from a reflection model, improving the realism of computer-generated 3D images.
Developed at the University of Utah, then a pioneering center of computer graphics.
What it led to
- Far more realistic lighting in 3D graphics
- The Phong reflection model, a basis for later graphics engines
Built on
- Barycentric coordinate system1827
- Gouraud shading1971
- Gouraud shading