agreeing with orclev - i setup an older nvidia gpu pc on linux mint and that pc has to have all other applications closed to play minecraft when it used to handle youtube video or actual video running and maybe an antivirus scan in the background and minecraft on top fine in windows.

GPU is running (as opposed to when the driver failed to load haha) but some kind of processing is still on CPU, i tracked down the problem but the point where i figured out i need to keep up with the latest vaapi and compile it to just diagnose it i stopped and told the kids how to quit other programs first before minecraft. or bloons.