1
Technical University of Munich
2
University of Erlangen-Nuremberg
The Visual Computer (Proceedings of CGI 2010)
Abstract
We present a novel hybrid rendering method for diffuse and glossy indirect illumination. A scene is rendered using standard rasterization on a GPU. In a shader, secondary ray queries are used to sample incident light and to compute indirect lighting. We observe that it is more important to cast many rays than to have precise results for each ray. Thus, we approximate secondary rays by intersecting them with precomputed layered depth images of the scene. We achieve interactive to real-time frame rates including indirect diffuse and glossy effects.
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