Efficient pipelining parallel methods for image compositing in sort-last rendering

Authors:
Wei Fang;Guangzhong Sun;Peng Zheng;Tiening He;Guoliang Chen
Affiliations:
School of Computer Science and Technology, University of Science and Technology of China, Hefei, China and Institute of Computer Application, China Academy of Engineering Physics, Mianyang, China;School of Computer Science and Technology, University of Science and Technology of China, Hefei, China;Institute of Computer Application, China Academy of Engineering Physics, Mianyang, China;Institute of Computer Application, China Academy of Engineering Physics, Mianyang, China;School of Computer Science and Technology, University of Science and Technology of China, Hefei, China
Venue:
NPC'10 Proceedings of the 2010 IFIP international conference on Network and parallel computing
Year:
2010

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Abstract

It is well known that image compositing is the bottleneck in Sort-Last rendering. Many methods have been developed to reduce the compositing time. In this paper, we present a series of pipeline methods for image compositing. Our new pipeline methods based on Direct Send and Binary Swap. However, unlike these methods, our methods overlap the rendering time of different frames to achieve high fps(frames per second) in final display. We analyze the theoretical performance of our methods and take intensive experiments using real data. The results show that our new methods are able to achieve interactive frame rates and scale well with both the size of nodes and screen resolution.