> When doing some interpolation between destination pixels, for every
> destination pixel multiple source pixels must be converted to the correct
> color space.
> This means it is faster to convert the source at once to the required
> colorspace, then every source pixel just needs to be converted once.
It may be enough to convert individual scanlines and clobber them with the next one. It depends. I need to look at some image filters and analyse their access pattern. It could be pretty random, I need to come up with something solid. I was just trying to see if anybody else out there already had to do this and could give some pointers.
Best regards,
-Stephan
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