Extract clarity in the reference GGX equation - denominator gets factored out in an optimised version - but included here for clarity
Extract clarity in the reference GGX equation
- denominator gets factored out in an optimised version
- but included here for clarity

xlgames-inc/XLE,xlgames-inc/XLE,xlgames-inc/XLE,xlgames-inc/XLE,xlgames-inc/XLE,xlgames-inc/XLE,xlgames-inc/XLE,xlgames-inc/XLE