How would you go about adding cross-GPU fluids (fluids as in PhysX with different properties & physics) to unreal engine? The way I understand it, is that AMD users will have terrible performance with PhysX due to it using their CPU instead of their GPU.
PhysX in UE4 doesn’t really do fluid simulation. Flex is more suited for fluid simulation and if you want to use that you have to download the Nvidia branch of UE4 that has Flex, and that will work better on Nvidia hardware.
Wops, my bad. It was Flex I was thinking of, hehe. but again, isn’t the performance much lower on AMD cards?