Useful Links
A collection of resources I found really helpful. I’ll keep adding to this list.
ReSTIR GI
- Intro to ReSTIR — a general overview, a good starting point.
- Understanding the Math Behind ReSTIR GI
- Reservoir Sampling — the core technique ReSTIR is built on, explained interactively.
If you are new to ReSTIR, read the reservoir sampling article first. The rest makes a lot more sense once you understand how a reservoir picks a sample from a stream.