i was never able to get the gl driver on rpi to do anything more than sample stuff like glgears. i never spent any time trying to run games not originally designed for the rpi itself and even those not so much. reason being that by the time the rpi 3b came out, which in my opinion was the first rpi to be able to run games with any success, the windows hardware and software rendering was very advanced which allowed a realistic experience. i happen to think that real life is not a pixelated mess and i like my games to be as realistic as possible. so while it may be technically possible to install , and i have doubts about the rpi gl driver working on rock64, due to it running in java the screens are probably at best going to be choppy. but by all means if you view it as a project to see if it is possible to get minecraft running on the rock64 then i completely support that. i think the big issue is if any of the android or linux divers can get gl es to satisfy the program since it is looking for gl.
https://gamedev.stackexchange.com/questi...and-opengl
https://stackoverflow.com/questions/4519...sus-opengl
https://gamedev.stackexchange.com/questi...and-opengl
https://stackoverflow.com/questions/4519...sus-opengl