[PATCH] radeon: avoid using hw pixmaps when we have little VRAM.

[Michel Dänzer]

On Fri, 2009-11-20 at 12:21 +1000, Dave Airlie wrote: 
> From: Dave Airlie <airlied at redhat.com>
> 
> This patch returns NULL for pixmap creation when we are using
> mixed pixmaps and the pixmap has a size.
> 
> The size check is necessary for the front buffer.
> 
> We add a flag to force pixmap creation for certain pixmaps
> that need to be hw, like the DRI2 and Xv ones.
> 
> Idea from Michel and workarounds from Ben Skeggs.
> 
> Signed-off-by: Dave Airlie <airlied at redhat.com>

Basically looks good, though it might be nice to be able to override
this with a xorg.conf boolean option, the default value of which could
be chosen according to whatever heuristic (currently info->vram_size <=
(32*1024*1024)).


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