Skip to main content

All Questions

Tagged with
Filter by
Sorted by
Tagged with
0 votes
1 answer
138 views

Microfacet BRDF artifacts

I've been trying to implement a microfacet specular BRDF based on the equations in Real Shading in UE4, but I'm getting weird ring-shaped artifacts in the highlights of rough surfaces: Here's the ...
Sam's user avatar
  • 198
1 vote
0 answers
86 views

Questions about BRDF parameterization

Hi I'm trying to get a better understanding of the BRDF modeling. I only implemented naive diffuse(lambert), specular and microfacet BRDF before, but I don't have much experience in mixed BRDFs and ...
AccM's user avatar
  • 61
1 vote
1 answer
1k views

How can I implement this BSDF?

I am trying to implement a path tracer, but I have some problem. The class Spectrum is color. I implemented a mirror material like this: ...
bin guo's user avatar
  • 31
10 votes
4 answers
28k views

What is the difference between glossy and specular reflection?

What is the difference between glossy and specular reflection? What is their relations with BRDF?
chaosink's user avatar
  • 591
7 votes
1 answer
652 views

What is the most physically accurate model of surface materials possible in computer graphics?

I am looking for theoretical and implemented models to represent surface materials in software that strives for physical accuracy. Is BRDF really the best model? What alternatives are better? Why? ...
Mr. Developerdude's user avatar