- the post presents the fresnel equations that are used for smooth metals and surfaces such as water
- shows the Schlick approximations and compares them to the equations and where to retrieve the necessary parameter values
- Reverse engineering the color grading solution used in “The Witcher 3”
- shows how the indexing into LUT works, including rounding mode handing
- the solution used by the game can use up to 3 different LUTs for the same scene
