[Mesa-dev] EXT_image_dma_buf_import FD ownership

[Chad Versace]

On 10/11/2013 06:06 PM, John Sheu wrote:
> On Fri, Oct 11, 2013 at 5:54 PM, Chad Versace
> <chad.versace at linux.intel.com> wrote:
>> Yes. Let's update the spec to have a saner interface before we lose a handle
>> on all the consumers.
>
> Sweet.
>
>> To my knowledge, there exists only two implementations.
>>
>> ARM ships an implementation for Android on Mali. I don't see such
>> a spec update hurting ARM, because Android devices
>> are fairly locked down systems with a monolithic source tree for each
>> device.
>
> As far as I know, the Mali driver dropped to Android doesn't have an
> implementation yet, so we're clear here.  The Mali driver dropped to
> ChromeOS does -- because I implemented it :-).  So I think we're good
> on spec changes with respect to Mali.  If the Intel folks are fine
> too, then we can do it.

That's a surprise! I knew ARM shipped an implementation, but I always
assumed it was for Android.

Can give us some details on how ChromeOS/ARM uses it? As you may
have heard through other channels, I've proposed that ChromeOS/Intel
use it to enable cross-process zero-copy texture uploads.