Screen-Space Ambient Occlusion

Computer Graphics · Real-Time Shading · 2007 · ssao.yaml

Estimates occlusion by sampling the depth buffer around each pixel, making ambient occlusion fully dynamic and independent of scene complexity.

• supersedescorrects · extends
• classifiesspecializes · part-of
• substitutes forapproximates · alternative-to
• depends onrequires · validates

Colour is the family; a dashed line is the second member of it.

This node

• specializesis a specific case of Ambient Occlusionestimated from the depth buffer at runtime

Referenced by

• correctsHorizon-Based Ambient Occlusion fixes a defect in thispoint sampling ignores the actual horizon of the surface

References

• Finding Next Gen: CryEngine 2 — Mittring — 2007
• Background — Screen space ambient occlusion on Wikipedia