More MMX

[Alan Cox]

On Gwe, 2004-11-12 at 20:20, Soeren Sandmann wrote:
> Recently I have been fooling around with the compositing manager in
> the metacity window manager. To get reasonable performance I had to
> disable all acceleration to get pixmaps allocated in system
> memory. Otherwise, reading pixels from the framebuffer made dragging
> translucent windows around too painful.

The DRI folks have "DMA rectangle from screen to main memory" ability
that just isn't being used. If you have a good use for that then perhaps
this should get discussed in detail.