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PocketMatrix • View topic - rotation/scaling speeds
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rotation/scaling speeds


rotation/scaling speeds

Postby m|ke » Aug 20, 2007 @ 3:29pm

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Postby mm40 » Aug 21, 2007 @ 3:21am

Those are some pretty big differences on the scaling which makes me think there is a difference in algorithms used between what you are doing and gapi/edge are doing, are you doing subpixel accuracy?
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Postby m|ke » Aug 21, 2007 @ 8:48am

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Postby m|ke » Aug 21, 2007 @ 8:58pm

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Postby mm40 » Aug 22, 2007 @ 4:47pm

Actually it could depend on the screen rotation of the device, since gapidraw stores their images in screen aligned memory, perhaps the alignment is such that it is missing the cache on every read, where yours is hitting it, just a guess.
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