Too many bitBlts?
Casper Boemann
cbr at boemann.dk
Sun Jul 10 16:14:07 CEST 2005
On Sunday 10 July 2005 12:57, Michael Thaler wrote:
> On Sunday 10 July 2005 12:37, Casper Boemann wrote:
> > screen rendering does it in 128x128 blocks afaik
> > don't really know why - I just did it like it was already when I
> > refactored it with the new tile system.
>
> If I remember correctly, the original idea was to update only tiles that
> are marked as dirty. Because this is too slow, not single tiles are
> repainted, but 2 x 2 areas. I think there is a dirty bool (or at least
> there was) but I am not sure if this was/is actually ever used.
yes that was the idea, but now we use a dirtyRect instead and update
immediately. As I recall the dirty flag was removed about half a year ago by
boudewijn.
--
best regards / venlig hilsen
Casper Boemann
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