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A comment on PowerVR Wizard GPU does real-time ray tracing at 10x lower power than Nvidia GTX. Parent comment

Re:PowerVR Wizard GPU does real-time ray tracing at 10x lowe... by solidangle on Thursday January 07, 2016 @06:06PM (#10861517)
The Disney BSDF [1, 2] is extremely flexible and offers a lot of artistic freedom. The only real limitation is that the BSDF is required to be energy conserving, but that's hardly a limitation. A physically-based renderer is still able to produce non-photorealistic results.

[1] http://blog.selfshadow.com/publications/s2012-shading-course...

[2] http://blog.selfshadow.com/publications/s2015-shading-course...

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