Realtime AO

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Uploaded by on Mar 12, 2010

AO pass using a new BVH multi frustum traversal
and ray pre-sorting. The algorithm is able to
produce HQ ambient occlusion effects in realtime
on modern cpu architectures.

- around 14 MRay/s per core !
- 64 AO samples
- 16x adaptive AA (Mitchell-Netravali Reconstruction)
- Resolution: 1280x720

Category:

Science & Technology

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Standard YouTube License

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  • @rouncer81 ao is special case of hdr lightning (f.e. a really cloudy day around noon => unique distribution

    of rays over the hemisphere).by using real hdri the hemisphere gets splitted into a number of light-energy hotspots (e.g. 64-1024) => higher ray coherency for a shading point. so today it is possible to achieve good

    env lightning with 64-128 samples per shading point. here the most work has to be done within the visibility

    kernel == ao with scene radius.

  • really very impressive, but id like to see true environmental lighting in real time.

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