Hi,
> On Tue, Mar 13, 2001 at 12:01:55PM +0100, Christoph Reichenbach wrote:
> > Why do you need shared memory for gfx_pixmap_t blocks? They're just read
> > from by our very own crossblitter functionality; the only thing that needs
> > to be shared between X11 and FreeSCI are the four visual planes (static
> > buffer, back buffer, front buffer, and the window).
>
> *blink* Well, that makes things simpler. I latched onto the
> gfx_pixmap_t blocks because they were treated as XImages. I didn't see
> anything about the visual planes in the actual xlib driver. But I'm
> digging around more now.
That's a good point, but this is only done for grabbed images (and could
therefore go into the driver-specific of gfx_pixmap_t). They could make
use of XSHM, too.
This is used for screen shaking and transition animations, and can be
tested there.
> So I take it that the Window and the Pixmap visual[] array are the four
> planes I need to munge...
Exactly.
llap,
Christoph
