Real-Time GPU Path Tracing

Jacco Bikker, Jeroen van Schijndel
NHTV University of Applied Sciences, Breda, The Netherlands
NHTV University of Applied Sciences, 2013


   title={Real-Time GPU Path Tracing},

   author={Bikker, Jacco and van Schijndel, Jeroen},



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In this paper, we present a simple, yet efficient implementation of the path tracing algorithm for GPUs. A reformulation of Russian Roulette is used to achieve high SIMT utilization, which leads to real-time performance in Kajiya’s classic scene, using a single GPU. We apply our scheme to larger scenes in the Brigade system, an experimental real-time path tracer for games.
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