Graphics Settings

What is SSAO (Screen Space Ambient Occlusion) ?

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Screen Space Ambient Occlusion is a rendering technique for efficiently approximating the well-known computer graphics ambient occlusion effect in real time.

Ambient occlusion is a shading method used in 3D computer graphics which helps add realism to local reflection models by taking into account attenuation of light due to occlusion. Ambient occlusion attempts to approximate the way light radiates in real life, especially off what are normally considered non-reflective surfaces.

http://en.wikipedia.org/wiki/Screen_Space_Ambient_Occlusion

In use you will see little effect on graphics but performance is noticeably improved by having SSAO on.

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