Don't know if it helps, but for the old RetroArch there was a workaround:
DK64 Camera Issue workaround:
- Start ROM
- Turn FBEmu On
- Set RDRAM Depth stuff: Software (fromMem does not work)
- Close ROM & start ROM again
- Get ingame
- Do a Savestate
- Turn FBEmuoff, RDRAM stuff back or...