[Intel-gfx] glamor and xvmc

[Zhigang Gong]

Dave Airlie just implemented some Xv support as below, although not fully
support all functions.
But currently, we haven't enable it in Intel's driver side.

commit bad96d415525b12add517b09a26b52c2c36979f7
Author: Dave Airlie <airlied at redhat.com>
Date:   Mon Sep 23 06:42:24 2013 +0100

    glamor: add initial Xv support

    This does YV12 and I420 for now, not sure if we can do packed without
    a GL extension.

-----Original Message-----
From: intel-gfx-bounces+zhigang.gong=linux.intel.com at lists.freedesktop.org
[mailto:intel-gfx-bounces+zhigang.gong=linux.intel.com at lists.freedesktop.org
] On Behalf Of Zou, Nanhai
Sent: Wednesday, October 23, 2013 10:39 AM
To: Chris Wilson; Grant
Cc: intel-gfx at lists.freedesktop.org
Subject: Re: [Intel-gfx] glamor and xvmc

I don't think glamor support xmvc now.
However port those xmvc code to glamor is doable.

Thanks
Zou Nanhai

-----Original Message-----
From: intel-gfx-bounces+nanhai.zou=intel.com at lists.freedesktop.org
[mailto:intel-gfx-bounces+nanhai.zou=intel.com at lists.freedesktop.org] On
Behalf Of Chris Wilson
Sent: Tuesday, October 22, 2013 4:09 PM
To: Grant
Cc: intel-gfx at lists.freedesktop.org
Subject: Re: [Intel-gfx] glamor and xvmc

On Tue, Oct 22, 2013 at 01:02:22AM -0700, Grant wrote:
> > With the exception of not having Xv (or XvMC) support enabled for 
> > glamor in -intel, you can, at your own risk, enable glamor during 
> > configure
> 
> Are you saying that glamor depends on xvmc?

-intel needs to explicitly enable Xv support in its glamor backend, which it
does not yet do. I'm not sure if glamor could expose the hardware motion
compensation acceleration though.
-Chris

--
Chris Wilson, Intel Open Source Technology Centre
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