It is a lot harder to work with these phone and tablet type chips. ARM have open sourced the Mali driver code but you still need the DDK, which requires a licen

It is a lot harder to work with these phone and tablet type chips. ARM have open sourced the Mali driver code but you still need the DDK, which requires a license. The reverse engineering efforts on GPU command streams are also a labour of love from Lima etc. And it would be twice as good if it cost half as much.