Providing shared buffer for applications within Smack environment

[José Bollo]

On Tue, 12 Dec 2017 11:44:48 +0000
"Ucan, Emre (ADITG/ESB)" <eucan at de.adit-jv.com> wrote:

> Hi,
> 
> Protocol is here since Dec 16, 2015:
> https://github.com/GENIVI/wayland-ivi-extension/blob/master/protocol/ivi-share.xml
> 
> It is basically used to share application buffers with HMI/Window
> manager, so that application content can be used for HMI animations.
> It should not be used in new projects though. We are preferring to
> use libweston for nested composition in HMI/Window manager
> application.

I'm sure to not understand why sharing was needed before but now not
anymore but it is what I conclude from your text.

You probably know if this is (1) still in use in AGL, (2) still needed
for AGL, (3) when it will leave AGL. But reading the answer in the
mailing list of AGL is probably better than here.

Best regards
José


> Best regards
> 
> Emre Ucan
> Engineering Software Base (ADITG/ESB)
> 
> Tel. +49 5121 49 6937
> 
> > -----Original Message-----
> > From: wayland-devel [mailto:wayland-devel-
> > bounces at lists.freedesktop.org] On Behalf Of Daniel Stone
> > Sent: Dienstag, 12. Dezember 2017 12:24
> > To: José Bollo
> > Cc: Pekka Paalanen; wayland-devel at lists.freedesktop.org
> > Subject: Re: Providing shared buffer for applications within Smack
> > environment
> > 
> > Hi Jose,
> > 
> > On 12 December 2017 at 11:12, José Bollo <jose.bollo at iot.bzh>
> > wrote:  
> > > On Tue, 12 Dec 2017 11:00:08 +0000
> > > Daniel Stone <daniel at fooishbar.org> wrote:  
> > >> I assume this is related to the never-upstreamed ivi_share
> > >> protocol extension.  
> > >
> > > Yes the probability is near 100%
> > >
> > > So it could be a design feature issue.
> > >
> > > I'm not very aware of this part of the system. Can some one
> > > explain me that share protocol, why it is needed and why it
> > > never-upstreamed?  
> > 
> > You'd have to ask the developers - Tanibata-san and the rest of the
> > ADIT-J team. I've personally not seen it used, so I don't know what
> > the motivation is.
> > 
> > Cheers,
> > Daniel
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