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Mipmap-Based Deferred Soft Shadow Mapping
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  • Journal title : Journal of KIISE
  • Volume 43, Issue 4,  2016, pp.399-403
  • Publisher : Korean Institute of Information Scientists and Engineers
  • DOI : 10.5626/JOK.2016.43.4.399
 Title & Authors
Mipmap-Based Deferred Soft Shadow Mapping
Kim, Sunggoo; Lee, Sungkil;
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Deferred Shading is a shading technique that postprocesses pixels in the screen space, following geometry-only rendering passes with depth buffering. Unlike typical shadow mapping techniques, this technique allows us to render shadows from multiple light sources without changing the structure of the rendering pipelines. This paper presents a deferred shadow mapping technique and its extension to soft shadows using mipmapping. Our technique first generates visibility maps from light sources, and blurs the visibility maps for deferred shading. This strategy leads to efficient soft-edged shadows, but does not incorporate depth variation, producing light bleeding to some extent. In order to suppress the light-bleeding artifacts, we also propose a depth-adaptive mipmap sampling technique in the screen space.
deferred shading;shadow mapping;soft shadows;postprocessing;
 Cited by
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