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Physically based rendering has transformed computer graphics lighting by more accurately simulating materials and lights, allowing digital artists to focus on cinematography rather than the intricacies of rendering. First published in 2004, Physically Based Rendering is both a textbook and a complete source-code implementation that has provided a widely adopted practical roadmap for most physically based shading and lighting systems used in film production.

A Brief History of Physically Based Rendering

The PBR Book, Chapter 1: Introduction

Research

research timeline

  1. 1981, Microfacet Reflection Models

  2. 1984, Radiosity

  3. 1984, Distributed Ray Tracing

  4. 1986, Path Tracing

  5. 1990s, Monte Carlo–Based Efforts

  6. 1997, Multiple Importance Sampling

Production

production timeline

Real-time renderer