Screen-Space Percentage-Closer Soft Shadows

Mahdi Bagher 1, 2, * Jan Kautz 2 Nicolas Holzschuch 1 Cyril Soler 1
* Corresponding author
1 ARTIS - Acquisition, representation and transformations for image synthesis
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, INPG - Institut National Polytechnique de Grenoble
Abstract : We present an algorithm for computing Percentage-Closer Soft Shadows inside a screen-space rendering loop. Our algorithm is faster than traditional soft shadows based on percentage closer filtering, while providing soft shadows of similar visual quality. It combines naturally with a deferred shading pipeline, making it an ideal choice for video games. This algorithm is not only faster, but allows the use of larger shadow maps without dramatically affecting the rendering speed.
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Mahdi Bagher, Jan Kautz, Nicolas Holzschuch, Cyril Soler. Screen-Space Percentage-Closer Soft Shadows. ACM SIGGRAPH 2010 Posters, Jul 2010, Los Angeles, CA, United States. pp.133, ⟨10.1145/1836845.1836987⟩. ⟨inria-00536256⟩

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