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Applying IBL split-term approximation to transmitted specular

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Thank you for the information. It looks useful and gives a nice result.
How about some snippets from the implementation?


L. Spiro

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All the code for this engine is open source. The most relevant parts are here:

 

https://github.com/xlgames-inc/XLE/blob/master/Working/Game/xleres/Lighting/IBL/IBLPrecalc.h

https://github.com/xlgames-inc/XLE/blob/master/Working/Game/xleres/Lighting/LightingAlgorithm.h

 

It's still a bit rough, but you can see some of the experiments and variations I tried.

 

BTW, I thought I remembered your name from somewhere... I ran across your DXT compressor a few months ago, when looking for a BC6H solutions ^^.

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