Geometric patterns pre-processing of three-dimensional meshes for raytracing in real-time.
VRCAI 2014: 13th ACM International Conference on Virtual Reality Continuum and Its Applications in Industry Shenzhen China November, 2014(2014)
摘要
This paper proposes an efficient method to extract the geometric characteristics of meshes, to make an assertive choice of an acceleration structure for ray tracing in real-time. This method automatically decides the best acceleration structure type for a specific scene, given the geometric information. This paper describes which geometric characteristics impact directly on performance for different acceleration structures. It also analyzes some metrics as: build time and frame-rate to verify if the selected structure is the most appropriate for a particular geometry. As the performance of acceleration structures varies with different scenes, this method could save much calculation resource by always selecting a structure that maximizes ray tracing performance.
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