I don't think it's common. It is used at Activision. It has good performance. But, that's largely dependent on a temporal scheme that amortizes the cost acro

I don't think it's common. It is used at Activision. It has good performance. But, that's largely dependent on a temporal scheme that amortizes the cost across frames. https://research.activision.com/t5/Publications/Practical-Real-Time-Strategies-for-Accurate-Indirect-Occlusion/ba-p/10002180 https://research.activision.com/t5/Publications/Practical-Re...