GENIVI Layer Management Issue

Ucan, Emre (ADITG/SW1) eucan at de.adit-jv.com
Thu Apr 13 07:59:26 EDT 2017


yes

Best regards

Emre Ucan
Software Group I (ADITG/SW1)

Tel. +49 5121 49 6937

> -----Original Message-----
> From: Annamalai Lakshmanan [mailto:Annamalai.Lakshmanan at quest-
> global.com]
> Sent: Donnerstag, 13. April 2017 13:41
> To: Ucan, Emre (ADITG/SW1); Rajagopal, Arunkumar (A.); genivi-ivi-layer-
> management at lists.genivi.org
> Cc: Biju P N; R, Karthik; Minimole W
> Subject: RE: GENIVI Layer Management Issue
> 
> Hi,
> 
> You mean, we need to create an additional surface apart from UI and Video,
> and should this sit on Bottom of Video and Graphics surfaces?
> The background surface can have 0xFF000000 content?
> 
> 
> Regards
> Annamalai
> 
> -----Original Message-----
> From: Ucan, Emre (ADITG/SW1) [mailto:eucan at de.adit-jv.com]
> Sent: Thursday, April 13, 2017 4:52 PM
> To: Annamalai Lakshmanan <Annamalai.Lakshmanan at quest-global.com>;
> Rajagopal, Arunkumar (A.) <arunkumar.rajagopal at visteon.com>; genivi-ivi-
> layer-management at lists.genivi.org
> Cc: Biju P N <biju.pn at quest-global.com>; R, Karthik
> <karthik.ramanan at ti.com>; Minimole W <minimole.w at quest-global.com>
> Subject: RE: GENIVI Layer Management Issue
> 
> Hi,
> 
> You have to have a background surface as big as display, so that old content
> will be overdrawn by background surface's content.
> 
> Best regards
> 
> Emre Ucan
> Software Group I (ADITG/SW1)
> 
> Tel. +49 5121 49 6937
> 
> > -----Original Message-----
> > From: Annamalai Lakshmanan [mailto:Annamalai.Lakshmanan at quest-
> > global.com]
> > Sent: Donnerstag, 13. April 2017 12:42
> > To: Rajagopal, Arunkumar (A.); Ucan, Emre (ADITG/SW1);
> > genivi-ivi-layer- management at lists.genivi.org
> > Cc: Biju P N; R, Karthik; Minimole W
> > Subject: RE: GENIVI Layer Management Issue
> >
> > HI,
> >
> > From the client side, entire window  is damaged, but still the issue is seen.
> > As mentioned, the happens with only buffer contents of zero alpha.
> >
> > [If you want to update the entire final output to the display then
> > make clear before start updating the final output or do skip Dirty
> > region update in the Weston compositor file.] How to do this? From the
> > client side, or Weston side
> >
> > Regards
> > Annamalai
> >
> > -----Original Message-----
> > From: Rajagopal, Arunkumar (A.)
> > [mailto:arunkumar.rajagopal at visteon.com]
> > Sent: Thursday, April 13, 2017 12:49 PM
> > To: Annamalai Lakshmanan <Annamalai.Lakshmanan at quest-global.com>;
> > Ucan, Emre (ADITG/SW1) <eucan at de.adit-jv.com>; genivi-ivi-layer-
> > management at lists.genivi.org
> > Cc: Biju P N <biju.pn at quest-global.com>
> > Subject: RE: GENIVI Layer Management Issue
> >
> > Hi,
> >
> > I think the issue is not with Layer Management. The final output of
> > the Weston compositor will be updated with the surface damaged area
> alone.
> > It's just to reduce the timing of compositor(Dirty region update in egl).
> >
> > If you want to update the entire final output to the display then make
> > clear before start updating the final output or do skip Dirty region
> > update in the Weston compositor file.
> >
> > Thanks,
> > Arunkumar R
> >
> >
> > -----Original Message-----
> > From: genivi-ivi-layer-management [mailto:genivi-ivi-layer-management-
> > bounces at lists.genivi.org] On Behalf Of Annamalai Lakshmanan
> > Sent: Thursday, April 13, 2017 12:39 PM
> > To: Ucan, Emre (ADITG/SW1);
> > genivi-ivi-layer-management at lists.genivi.org
> > Cc: Biju P N
> > Subject: GENIVI Layer Management Issue
> >
> > Hi All,
> >
> > we observed a problem with layer management. we have video as back
> > surface, UI as front surface mapped to a single Layer.
> > when video is launched UI loads buffer with  alpha and RGB contents
> > 0x00, and video is visible being in back layer.
> > if the video is in full screen its ok. But the video does not occupy full screen.
> > although UI buffer RGB is zero, it still retains its older contents.
> > and it occupies area where video is not rendering.
> >
> > The expectation would be once the UI buffer alpha is zero the RGB
> > contents of its buffer and surface should turn the value it contains.
> > eg: if the buffer content is 0x00000000, the buffer and its surface
> > should turn black and surface should not retain its older value.
> > we see the transparency alpha setting of the buffer looks ok. but the
> > surface still retains the older buffer contents.
> >
> > Regards
> > Annamalai
> >
> >
> >
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> > the Company unless followed by written confirmation by an authorized
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> CONFIDENTIAL INFORMATION intended solely for the use of the
> addressee(s). If you are not the intended recipient, please notify the sender
> by e-mail and delete the original message. Opinions, conclusions and other
> information in this transmission that do not relate to the official business of
> QuEST Global and/or its subsidiaries, shall be understood as neither given nor
> endorsed by it. Any statements made herein that are tantamount to
> contractual obligations, promises, claims or commitments shall not be binding
> on the Company unless followed by written confirmation by an authorized
> signatory of the Company. -------------------------------------------------------------
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