On Thu, Oct 30, 2008 at 08:23:19AM -0400, Jose Gonzalez wrote: > > Scaling to the nearest power-of-2 is certainly asking for horrible > > resuls. I also don't think the hardware acceleration will buy you much, > > transferr overhead is quite high and not-so-current hardware is huge > > limitations on maximum sizes it can handle. E.g. the given example > > wouldn't work with most IGD chips. > > > > > > Power-of-2 *fraction*, ie. 1/2, 1/4, etc. of the original size.
Sure, but at least if you use any type of non-trivial interpolation algorithm to compute the final non-power-of-2-fraction, you get inferior results if you cut down to the next larger power-of-2-fraction first. Consider you want to scale down from 64 pixel to 31 pixel -- you throw a lot of information away by scaling down to 32 pixel first, even though that is cheap. Joerg ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ enlightenment-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
