Tauray: A Scalable Real-Time Open-Source Path Tracer for Stereo and Light Field Displays

2022, Ikkala, J., Mäkitalo, M., Lauttia, T., Leria, E. and Jääskeläinen, P., ACM SIGGRAPH Asia Technical Communications.

Sponza with a lot of teapots, path traced with Tauray

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Paper abstract: Light field displays represent yet another step in continually increasing pixel counts. Rendering realistic real-time 3D content for them with ray tracing-based methods is a major challenge even accounting for recent hardware acceleration features, as renderers have to scale to tens to hundreds of distinct viewpoints. To this end, we contribute an open-source, cross-platform real-time 3D renderer called Tauray. The primary focus of Tauray is in using photorealistic path tracing techniques to generate real-time content for multi-view displays, such as VR headsets and light field displays; this aspect is generally overlooked in existing renderers. Ray tracing hardware acceleration as well as multi-GPU rendering is supported. We compare Tauray to other open source real-time path tracers, like Lighthouse 2, and show that it can meet or significantly exceed their performance.

BibTeX


@inproceedings{Ikkala22,
	author={Ikkala, Julius and Mäkitalo, Markku and Lauttia, Tuomas and Leria, Erwan and Jääskeläinen, Pekka},
	title={Tauray: A Scalable Real-Time Open-Source Path Tracer for Stereo and Light Field Displays},
	year={2022},
	booktitle={SIGGRAPH Asia 2022 Technical Communications},
	series={SA '22 Technical Communications},
	location={Daegu, Republic of Korea},
	doi={10.1145/3550340.3564225},
	address={New York, NY, USA},
	publisher={Association for Computing Machinery},
	url={https://webpages.tuni.fi/vga/publications/Tauray2022.pdf}
}

Preprint of the paper

Supplementary material