On Tue, 12 Nov 2002, David Balazic wrote:
> Hi!
>
> I've been toying with this idea to use the video overlay feature
> as an efficient anti alias method. Is this doable ?
>
> Here is how it would work :
>
> set the display to some resolution ( higher is better )
> render your picture ( at a lower , same or higher resolution than the
> display )
> use the overlay to scale the picture to the physical screen
>
> cards with good scaling ( filtering etc. ) would make a nice
> smoothed picture , right ?
Blurrying pictures is not antialiasing them. Antialiasing
is subpixel rendering implemented by calculating partial-pixel
coverage and mixing the partial-pixel coverages to get an
unaliased pixel. Video overlays don't do this.
Mark.
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