I’m using 4.16 and I want to be able to pass a custom buffer or texture along to the post process, but I specifically don’t want it to render outside of that specific post process material.
It seems like what I need is some kind of custom buffer or an extra postprocess input that I can write to from a material, but I’ve come up empty when searching for something like that.
For reference, what I’m trying to create is a thermal vision effect, and I want to be able to use a texture to have certain parts of vehicles be hotter than others like in real life:
