On Wed, 25 Jun 2003, Philip Brown wrote:
> I'm coding an extension module for xfree86.
> I'm looking for a way to find the memory address of an off-screen, but
> still in video memory, pixmap.
>
> It seems that cards are given a considerable amount of leeway on how they
> handle pixmaps, so I understand that there isnt a method that works for ALL
> cards. I just need a method that should work for "most" cards.
>
> Is there such a beast?
pPixmap->devPrivate is the pointer to the memory, but this
is dynamic. Pixmaps get migrated back and forth between video
and system ram. So you need to check it every time you reenter
your code.
Mark.
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