Fix for problems on newer ATI/AMD MacBook Pros.
Fix for problems on newer ATI/AMD MacBook Pros.

longtaoge/playn,thecocce/playn-1,ruslansennov/playn2,tinkerstudent/playn,tinkerstudent/playn,playn/playn,rachelharvey/playn,playn/playn,rachelharvey/playn,playn/playn,thecocce/playn-1,ruslansennov/playn2,longtaoge/playn