Looking for API to possibly implement "mastered image transfer" for xf86-video-savage

[Michel Dänzer]

On Mon, 2008-11-10 at 13:37 -0500, Alex Villací­s Lasso wrote:
> 
> The question is: is there any xserver support that might enable a driver 
> to get pixmap data into either kind of situation? Either get the pixmap 
> into physically contiguous pages and obtain the physical address of the 
> start of data, or pre-copy the pixmap data into AGP memory (allocated by 
> the driver on startup, if necessary)

There isn't any such support in the X server; it would be mostly a
kernel level thing anyway.

> so that the driver does not need to copy it into AGP memory every
> single time.

FWIW, that's what the radeon driver does currently.


-- 
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer