they map each window as a texture map over a rectangular 3D object using the graphic's hardware 3D acceleration mode.
I have a (perhaps offtopic, but I changed the topic :-)) question - why is it that hardware acceleration for 3D operations so much better than for 2D operations (which are presumably easier). Seeing as 2D graphics is needed much more often than 3D, has been needed for much longer and is probably much easier to implement, I'd expect 2D to have the faster stuff. The above description implies that QuartzExtreme is "cheating" by using 3D operations for tasks that are essentially 2D. Why is the situation like this? To support all those First Person Shooters?
Alexander (aka Sasha) Maryanovsky.
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