Re: [pygame] Re: SDL 1.3 blit speed

[DR0ID <dr0id@xxxxxxxxxx>]

On 24.07.2011 08:12, Lenard Lindstrom wrote:
> Hi DROID,
>
> The pygame.examples.scroll demo shows the Surface.scroll method in 
> action. Scroll shifts the pixels on a surface, so only the new parts 
> have to be blitted on.
>
> Lenard Lindstrom
>
> On 23/07/11 09:22 AM, DR0ID wrote:
> [snip]
> > I'm not sure how the scroll method is implemented (since actually one 
> > could do a blit on the same surface, but this would mean that you do 
> > two fill screen blits each frame).
> >
> > Any suggestions welcome.
> >
> > Thanks.
> >
> > ~DR0ID

Hi

I see what the scroll method does, but what I was wondering about it, 
does it (the shift operation) just copy the pixels from one location to 
the other? Or does it do that in a more sophisticated way?


~DR0ID