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Multi-resolution shadow mapping using CUDA rasterizer
Huang, Peng1,2; Liu, Xuehui2; Wu, Enhua2,3
2013
Conference Name13th International Conference on Computer-Aided Design and Computer Graphics, CAD/Graphics 2013
Source PublicationProceedings - 13th International Conference on Computer-Aided Design and Computer Graphics, CAD/Graphics 2013
Pages148-155
Conference Date11 16, 2013 - 11 18, 2013
Conference PlaceHong Kong, China
Author of SourceIEEE Computer Society
PublisherIEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Abstract

Shadow mapping is a fast and easy to use method to produce hard shadows. However, it introduces aliasing due to its uniform sampling strategy and limited shadow map resolution. In this paper, we propose a memory efficient algorithm to render high quality shadows. Our algorithm is based on a multi-resolution shadow map structure, which includes a conventional shadow map for scene regions where a low-resolution shadow map is sufficient, and a high-resolution patch buffer to capture scene regions that are susceptible to aliasing. With this data structure, we are able to capture shadow details with far less memory footprint than conventional shadow mapping. In order to maintain an appropriate performance compared to conventional shadow mapping, we designed a customized CUDA rasterizer to render the high-resolution patches. 

KeywordShadow Mapping High-resolution Patch Cuda Rasterizer Conservative Rasterization
DOIhttps://doi.org/10.1109/CADGraphics.2013.27
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Software Engineering ; Computer Science, Theory & Methods ; Engineering, Manufacturing
WOS IDWOS:000355399900021
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Citation statistics
Document TypeConference paper
CollectionFaculty of Science and Technology
Affiliation1.University of Chinese Academy of Sciences, Beijing, China;
2.Institute of Software, Chinese Academy of Sciences, Beijing, China;
3.University of Macau, China
Recommended Citation
GB/T 7714
Huang, Peng,Liu, Xuehui,Wu, Enhua. Multi-resolution shadow mapping using CUDA rasterizer[C]//IEEE Computer Society:IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA,2013:148-155.
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