Level: Intermediate | Categories: Lookdev, Rendering | April 28th, 2021

Emission Importance Sampling

Author: Isotropix
Clarisse version: 5.0
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Clarisse 5 path tracer introduces a novel sampling method going beyond what's traditionally available in renderers. By enabling emission importance sampling any scene geometries defining surface emission are automatically identified as light sources. They become efficiently sampled according to their material and geometric properties! As a result, challenging scene configurations illuminated by many indirect emissive sources are orders of magnitude faster to resolve!