LUT texture inside Material?

Hi everyone,
For mobile VR rendering where post-process is not an option, how the color correction can be done in material?
According to this talk, there is a way to use LUT inside the material?

Hi QuadArt,

I’m trying to implement this method in our project too. Did you manage to get it working?

Nope unfortunately, the only solution to do the color manipulation is to use this