Efficient Real-Time Shadows

Courses
Wednesday, July 24, 2013 - 2:00pm to 5:15pm
Anaheim Convention Center
Ballroom AB

This course provides an overview of efficient, real-time shadow algorithms. It presents the theoretical background but also discusses implementation details for facilitating efficient realizations ( hard and soft shadows, volumetric shadows, reconstruction techniques). These elements are of relevance to both experts and practitioners. The course also reviews budget considerations and analyzes performance trade-offs, using examples from various AAA game titles and film previsualization tools. While physical accuracy can sometimes be replaced by plausible shadows, especially for games, film production requires more pecision, such as scalable solutions that can deal with highly detailed geometry.

The course builds upon earlier SIGGRAPH courses as well as the recent book Real-Time Shadows (A K Peters, 2011) by four of the instructors (due to its success, a second edition is planned for 2014). And with two instructors who have worked on AAA game and movie titles, the course presents interesting behind-the-scenes information that illuminates key topics.

COURSE SCHEDULE
2 pm
Introduction
Eisemann

2:05 pm
Basic Algorithms
Assarsson

2:20 pm
Hard Shadows
Wimmer

2:55 pm
Filtering Hard Shadows
Eisemann

3:15 pm
Image-Based Soft Shadows
Schwarz

3:30 pm
Break

3:45 pm
Geometry-Based Soft Shadows
Eisemann

4 pm
Volumetric Shadows
Assarsson

4:20 pm
Practical Considerations for Games and Movies
Kasyan and Schwarz

5:10 pm
Conclusion, Outlook, and Questions and Answers
All

Level

Intermediate

Prerequisites

Basic knowledge of computer graphics and linear algebra, and familiarity with standard graphics APIs.

Intended Audience

Practitioners in the game industry (as an overview and guide), the movie industry (as a resource for previsualization techniques), and the visualization community (shadows have a strong impact on spatial perception).

Instructor(s)

Elmar Eisemann
Delft University of Technology

Ulf Assarsson
Chalmers University of Technology

Nikolas Kasyan
Crytek

Michael Schwarz

Michael Wimmer
Technische Universit├Ąt Wien