Multiple proprietary video drivers at the same time?

Question

ubuntu

Hello!
I just can't beat ltsp in thick client mode, when they have a zoo of video cards (and therefore video drivers).
For example, now there is NVidea and OpenChrome (there will also be Radeon).
In ltsp.conf, I registered separate xorg.conf for clients for specific vidyuhi.
But the problem is that OpenGL does not work on OpenChrome, because in ld.so.conf.d one of the files says
"/usr/lib/nvidia-340". If this is removed, then OpenGL starts working normally on OpenChrome, but then it stops working on NVidia drivers... Tell me
, please, what can be written in ltsp.conf or xorg.conf.* so that the drivers are loaded correctly?