OptiX: A General Purpose Ray Tracing Engine

The NVIDIA(R) OptiX(TM) ray tracing engine is a programmable system designed for NVIDIA GPUs and other highly parallel architectures. The OptiX engine builds on the key observation that most ray tracing algorithms can be implemented using a small set of programmable operations. Consequently, the core of OptiX is a domain-specific just-in-time compiler that generates custom ray tracing kernels by combining user-supplied programs for ray generation, material shading, object intersection, and scene traversal. This enables the implementation of a highly diverse set of ray tracing-based algorithms and applications, including interactive rendering, offline rendering, collision detection systems, artificial intelligence queries, and scientific simulations such as sound propagation. OptiX achieves high performance through a compact object model and application of several ray tracing-specific compiler optimizations. For ease of use it exposes a single-ray programming model with full support for recursion and a dynamic dispatch mechanism similar to virtual function calls.

Authors: 
Steven G. Parker (NVIDIA)
James Bigler (NVIDIA)
Andreas Dietrich (NVIDIA)
Heiko Friedrich (NVIDIA)
David McAllister (NVIDIA)
Keith Morley (NVIDIA)
Austin Robison (NVIDIA)
Martin Stich (NVIDIA)
Publication Date: 
Sunday, August 1, 2010
Research Area: 
Uploaded Files: