Burger Engine Blog
23Jul/111

Exponential Shadows Maps

Exponential Shadow Maps with openGL and GLSL

Exponential Shadow Maps with openGL and GLSL

After a not so convincing attempt at implementing real-time soft shadows with Variance Shadow Maps (VSM), I started to look for another technique. I needed something quite simple, ideally allowing me to blur the shadow map before performing depth comparisons. That’s pretty much what Exponential Shadow Maps are about and it’s really simple to implement, once you know a few things.

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