On Wed, 02 Feb 2011 18:14:37 +0530, Neeraj N T <[email protected]> wrote:
> Hi,
> Thanks for replying.
> By  ' acceleration layers in user space ' are you referring to graphics 
> libraries like DirectFB,OpenGL..etc..?
> Could you please shed some light into how they use the hardware 
> acceleration ? ( Like are they mmap'ing to
>  a graphics hardware (GMA-HD) specific video memory?)

The hardware resources are managed by the kernel, which presents the GEM
api to userspace: http://lwn.net/Articles/283798/ . And the chipset
documentation can be found at http://intellinuxgraphics.org/ .

But it does sound like you are trying to reinvent the wheel and tie
yourself into a single and very limited platform...
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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