How does the bump mapping perform so well with respect to lighting?
[deleted]
I also wonder how the surface is rendered. How does the roughness represent by the data, and how to use it to calculate light?
How does the bump mapping perform so well with respect to lighting?
[deleted]
[deleted]
[deleted]
I also wonder how the surface is rendered. How does the roughness represent by the data, and how to use it to calculate light?