[JKCalhoun]

My generous interpretation is that he means the GPU is magically energy efficient compared to the CPU. I wouldn't dispute that.

But Apple went down that xPU-taxing path a long time ago when they added the blur to views beneath other views (I don't remember what that was called).

[sillywalk]

The translucency goes all the way back to the original Aqua interface in Mac OS X. I believe the compositing started getting some GPU acceleration (Quartz Extreme) in Mac OS X 10.2 Jaguar all the way back in 2002.

[GCUMstlyHarmls]

Translucency.