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2017 GTC San Jose

S7525 - GI Next: Global Illumination for Production Rendering on GPUs

Session Speakers
Session Description

Learn how to accelerate the computation of global illumination (a very expensive part of the rendering process) with the aid of GPUs. Porting a production renderer to take advantage of GPUs is a considerable effort and often requires rewriting the whole engine; moreover, custom shaders may not be accessible in source code and often introduce performance penalties if not especially adapted to the accelerator. However, function calls to the renderer's API from within shaders may be intercepted and thus costly functions in the render core may be accelerated outside of the shader code. One such render core API function is the calculation of the global illumination contribution, and it is this part that we accelerate on the GPU.


Additional Session Information
Intermediate
Talk
Algorithms Rendering and Ray Tracing
Architecture / Engineering / Construction Games Government / National Labs Higher Education / Research Media & Entertainment
25 minutes
Session Schedule