Re: 3D support for Displaylink devices

2011-06-03 Thread Alex Deucher
On Fri, Jun 3, 2011 at 5:00 AM, Prasanna Kumar T S M wrote: > On 03-06-2011 00:16, Alan Cox wrote: >>> >>> The window system needs support for splitting rendering and display. >>> In X these are currently tied together.  The only real obstacle is >>> fixing this in X.  However, this is a lot of wo

Re: 3D support for Displaylink devices

2011-06-03 Thread Prasanna Kumar T S M
On 03-06-2011 00:16, Alan Cox wrote: The window system needs support for splitting rendering and display. In X these are currently tied together. The only real obstacle is fixing this in X. However, this is a lot of work. Dave Airlie has started working on this, but it's not really usable yet.

Re: 3D support for Displaylink devices

2011-06-02 Thread Rob Clark
On Mon, May 30, 2011 at 12:30 PM, PRASANNA KUMAR wrote: > USB graphics devices from displaylink does not have 3D hardware. To get 3D > effects (compiz, GNOME 3, KWin, OpenGL apps etc) with these device in Linux > the native (primary) GPU can be used to provide hardware acceleration. All > the grap

Re: 3D support for Displaylink devices

2011-06-02 Thread Alan Cox
> The window system needs support for splitting rendering and display. > In X these are currently tied together. The only real obstacle is > fixing this in X. However, this is a lot of work. Dave Airlie has > started working on this, but it's not really usable yet. See: > http://airlied.livejo

Re: 3D support for Displaylink devices

2011-06-02 Thread Prasanna Kumar T S M
Garry, My first name is "PrasannaKumar". I will use my full name to prevent confusion :). I want 3D acceleration for running Compiz or GNOME3 or KWin with composition. Currently windows Displaylink driver compresses and transfers pixel data where there is a change (only damaged area is tran

Re: 3D support for Displaylink devices

2011-05-31 Thread Alex Deucher
On Mon, May 30, 2011 at 1:30 PM, PRASANNA KUMAR wrote: > USB graphics devices from displaylink does not have 3D hardware. To get 3D > effects (compiz, GNOME 3, KWin, OpenGL apps etc) with these device in Linux > the native (primary) GPU can be used to provide hardware acceleration. All > the graph