LPV。
SVO。
VXGI。
Enlighten的PRT方案。
DDGI，育碧开发的全境封锁，还有NVidia的RTXGI。
UE4的实时GI。
SSGI。
UE5的Lumen。
Global Illumination Based on Surfels：SIGGRAPH 21: Global Illumination Based on SurfelsThe SIGGRAPH presentation by Henrik Halen and Andreas Brinck presents global Illumination Based on Surfels (GIBS) – a solution for calculating indirect diffuse illumination in real-time. 
https://www.ea.com/seed/news/siggraph21-global-illumination-surfels
还有我们自己研发的移动端的实时GI ^_^，目前在高端机器上小场景能跑30帧。下一步集中开始性能优化。
