Chapter 28. Practical Post-Process Depth of Field
Earl Hammon, Jr. Infinity Ward
Introduction
In this chapter we describe a depth-of-field (DoF) algorithm particularly suited for first-person games. At Infinity Ward, we pride ourselves on immersing players in a rich cinematic experience. Consistent with this goal, we developed a technique for Call of Duty 4: Modern Warfare that provides depth of field’s key qualitative features in both the foreground and the background with minimal impact on total system performance or engine architecture. Our technique requires Shader Model 2.0 hardware.
Related Work
Overview
A rich body of work, dating back to Potmesil and Chakravarty 1981, exists for adding depth of field to computer-generated images. Demers (
Get GPU Gems 3 now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
