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Communication Dans Un Congrès Année : 2010

A Deferred Shading Pipeline for Real-Time Indirect Illumination

Résumé

We present a deferred shading algorithm for computing screen-space multi-bounce indirect illumination with visibility, in real time. For each frame, we compute mipmapped G-Buffers of depth, normals, illumination and voxelized geometry. To each mipmap level we apply a single shader that gathers screen-space illumination using local Monte-Carlo integration. We upsample the illumination for all levels and smoothly combine them together. Our calculation is approximate but does not show artifacts, because it relies on noise-free Monte-Carlo integration of incoming illumination and temporal filtering. Our method simulates arbitrary distant illumination including visibility at a very low cost, because we only perform local texture lookups during computation. Besides, its deferred shading nature makes it independent of geometric and lighting complexity.
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Dates et versions

inria-00480869 , version 1 (05-05-2010)
inria-00480869 , version 2 (20-07-2010)
inria-00480869 , version 3 (15-11-2010)

Identifiants

Citer

Cyril Soler, Olivier Hoel, Frank Rochet. A Deferred Shading Pipeline for Real-Time Indirect Illumination. ACM SIGGRAPH 2010 Talks, Jul 2010, Los Angeles, CA, United States. pp.18, ⟨10.1145/1837026.1837049⟩. ⟨inria-00480869v3⟩
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