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| 02-01-08 / 19:48 : Leopard : genie effect less smooth (cjed) |
| On Tiger the genie effect starts once we clic on the minimize button, and the animation is smooth (and stays smooth during the session). On Leopard there is a significant delay before the minimize animation (close to one second on a MDD G4/Radeon 9000 Pro). During this step the window reflection on the Dock (if the window was near the bottom) is removed (however Dock icons reflections are keeped). Then the animation is less smooth than with Tiger (and it can sometimes becomes worse later in the session). It seems (see threads here and there) that Leopard graphic drivers development was difficult, so we can expect a fix on a further update. With a 2D Dock the genie effect animation is reported far more smooth, and even better than in Tiger. The effect probably uses Core Animation on Leopard. Despites Core Image operates in software mode in the G4 with Radeon 9000 Pro (hardware mode requires a Radeon 9600 Pro), we can suppose that Core Animation uses the graphic card on this configuration as CoverFlow is very smooth. Moreover the genie effect isn't smoother on high end macs on Leopard, whatever the graphic card used. Finally we notice that videos aren't played yet while in the Dock, leading to the idea that there is some limitation with the mirror effect (would use too much CPU), the other reason why the window mirroring in the Dock is removed when it is being minimized (however the window live content update is still here). |
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