This book is a must-have for anyone serious about rendering in real time. With the announcement of new ray tracing APIs and hardware to support them, developers can easily create real-time application
N. Bell, and M. Garland. Proceedings of the Conference on High Performance Computing Networking, Storage and Analysis, page 18:1--18:11. New York, NY, USA, ACM, (2009)
S. Laine, and T. Karras. Proceedings of the 2010 ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games, page 55--63. New York, NY, USA, ACM, (2010)