More Efficient Virtual Shadow Maps for Many Lights

@article{Olsson2015MoreEV,
  title={More Efficient Virtual Shadow Maps for Many Lights},
  author={Ola Olsson and Markus Billeter and Erik Sintorn and Viktor Kampe and Ulf Assarsson},
  journal={IEEE Transactions on Visualization and Computer Graphics},
  year={2015},
  volume={21},
  pages={701-713}
}
Recently, several algorithms have been introduced that enable real-time performance for many lights in applications such as games. In this paper, we explore the use of hardware-supported virtual cube-map shadows to efficiently implement high-quality shadows from hundreds of light sources in real time and within a bounded memory footprint. In addition, we explore the utility of ray tracing for shadows from many lights and present a hybrid algorithm combining ray tracing with cube maps to exploit… CONTINUE READING

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