apple never made a driver or added support for video cards from nvidia and or amd
with bootcamp there is no apple layer between windows and the hardware
what bootcamp is really is 3 separate things
- a bootloader that controls which operating system gets launched (running directly on the hardware no middle layer)
- a tool to partition the harddrive making a place for windows to be natively installed
- a zip of drivers for the hardware, where very few of those are developed by apple, the netcard driver is from the netcard chip manufactuer and soundcard and video card. and so forth, only stuff like the webcam and support for touch bad and mice gestures are developed by apple
but even if apple was somehow in the mix of "supporting" nvidia or amd or the likes then I view bootcamp as being dead, its not a thing on the cpus in new apple computers today, windows 11 never had official support in bootcamp and I doubt it ever will.