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Hardware accelerated window composition wasn't introduced until Jaguar (http://en.wikipedia.org/wiki/Quartz_Compositor#Quartz_Extreme http://en.wikipedia.org/wi
by jonhohle 16y ago
Hardware accelerated window composition wasn't introduced until Jaguar (http://en.wikipedia.org/wiki/Quartz_Compositor#Quartz_Extreme http://en.wikipedia.org/wiki/Quartz_Compositor#Quartz_Extrem...), which was, admittedly, early on in OS X's life, and the first version that was usable for most people. 2D drawing is still done on the CPU (outside of Core Image).