From: Chris Wilson <chris@chris-wilson.co.uk>
To: Neeraj N T <neerajnt@tataelxsi.co.in>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: Hardware acceleration for blit/fillrect in GMA-HD driver(i915)
Date: Wed, 02 Feb 2011 13:08:14 +0000 [thread overview]
Message-ID: <0d30dc$kuj6no@orsmga001.jf.intel.com> (raw)
In-Reply-To: <4D4951B5.5030303@tataelxsi.co.in>
On Wed, 02 Feb 2011 18:14:37 +0530, Neeraj N T <neerajnt@tataelxsi.co.in> 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
prev parent reply other threads:[~2011-02-02 13:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-02 11:31 Hardware acceleration for blit/fillrect in GMA-HD driver(i915) Neeraj N T
2011-02-02 12:06 ` Chris Wilson
2011-02-02 12:44 ` Neeraj N T
2011-02-02 13:08 ` Chris Wilson [this message]
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