Author Topic: Image Based Lighting with Multiple Scattering  (Read 603 times)

0 Members and 1 Guest are viewing this topic.

JeGX

  • Global Moderator
  • Hero Member
  • *****
  • Posts: 2079
    • View Profile
    • Geeks3D.com
Image Based Lighting with Multiple Scattering
« on: August 21, 2019, 06:46:02 PM »
Quote
Recently I decided to implement image based lighting in BGFX, since I had never done so before and it’s a great way to produce realistic renders with assets authored for PBR. As I started reading I realized that approaches had gotten a lot more involved than they had been even 10 years ago, and that it might be useful to others to have a reference for implementation from start to finish. I’ve documented the steps involved in implementation, starting with some background, then moving onto Karis’s 2014 paper explaining Unreal’s IBL implementation, and then finally new approaches from Fdez-Agüera and others to address the error present in existing models.

Links:
- article: https://bruop.github.io/ibl/
- source code: https://github.com/BruOp/bae

PBR demo

PBR demo

#gamedev #pbr #bgfx