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variance-soft-shadow-mapping's Introduction

Variance-Soft-Shadow-Mapping

A simple implementation of SM, PCF, PCSS and VSSM


Results:

Shadow Mapping (SM):

Percentage-Closer Filtering (PCF):

Percentage-Closer Soft Shadows (PCSS):

Variance Soft Shadow Mapping (VSSM):


Source:

[1] Randima Fernando. Percentage-closer soft shadows. InACM SIGGRAPH 2005 Sketches, pages35-es. 2005.
[2] William T Reeves, David H Salesin, and Robert LCook. Rendering antialiased shadows with depthmaps. InProceedings of the 14th annual conferenceon Computer graphics and interactive techniques, pages 283–291, 1987.
[3] Graham Sellers, Richard S Wright Jr, and Nicholas Haemel. OpenGL superBible: comprehensive tutorial and reference. Addison-Wesley, 2013.
[4] Lance Williams. Casting curved shadows on curved surfaces. InProceedings of the 5th annual conference on Computer graphics and interactive techniques, pages 270–274, 1978.
[5] Baoguang Yang, Zhao Dong, Jieqing Feng, Hans-Peter Seidel, and Jan Kautz. Variance soft shadow mapping. InComputer Graphics Forum, volume 29,pages 2127–2134. Wiley Online Library, 2010.

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