Re: [agl-dev-community] help requested for windowmanager service

["Jacobo Aragunde Perez" <jaragunde@xxxxxxxxxx>]

On 22/1/20 15:57, Jacobo Aragunde Pérez wrote:
> Hi!
>
> I'm currently building an image including your fix for SPEC-3116. I
> though it would help, but apparently you are hitting the same problem I
> did. Per my latest findings in SPEC-2550 [1], it seems that the syncDraw
> event is emitted by the windowmanager service but it never reaches WAM,
> which doesn't trigger the call to endDraw that would end making the
> surface visible.
>
> There is one special webapp that has a hard-coded role, "homescreen"
> [2]. This application receives the event correctly, so I'm guessing that
> the role name is used as an identifier to deliver the event to WAM [3],
> but for some reason the new names ("Webapp-"+authority+host+port) [4]
> don't work.
>
> I'll take another look when I finish building.

After some testing, I've found out that, if I cut down the role name to 
10 characters maximum, things work as expected. There must be some 
undocumented limitation, or a bug.

Do you know where to start looking?

Best regards,


> [1]
> https://jira.automotivelinux.org/browse/SPEC-2550?focusedCommentId=23277#comment-23277
> [2] https://github.com/AGL-web-applications/homescreen
> [3]
> https://git.automotivelinux.org/apps/agl-service-windowmanager/tree/src/wm_client.cpp#n291
> [4] https://github.com/webosose/wam/pull/28/files
>
> Best,
>
> On 22/1/20 14:26, José Bollo wrote:
> > Hi all,
> >
> > While trying to run WAM applications, the layers are not made visible.
> > It probably have todo with roles but I'm not sure. I need help.
> >
> > After starting, the HTML5 homescreen is launched but not visible. See
> > the output of "get scene" below.
> >
> > <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> > # LayerManagerControl get scene
> > Warning: input acceptance event trying to add seat default, that is
> > already in surface 456
> > screen 0 (0x0)
> > ---------------------------------------
> > - connector name:       Virtual-1
> > - resolution:           x=1080, y=1920
> > - layer render order:   1000(0x3e8),
> >
> >        layer 1000 (0x3e8)
> >        ---------------------------------------
> >        - destination region:   x=0, y=0, w=1080, h=1920
> >        - source region:        x=0, y=0, w=1080, h=1920
> >        - opacity:              1
> >        - visibility:           0
> >        - surface render order: 456(0x1c8),
> >        - on screen:            0(0x0)
> >
> >            surface 456 (0x1c8)
> >            ---------------------------------------
> >            - created by pid:       455
> >            - original size:      x=1920, y=1080
> >            - destination region: x=0, y=0, w=1920, h=1080
> >            - source region:      x=0, y=0, w=1920, h=1080
> >            - opacity:            1
> >            - visibility:         1
> >            - frame counter:      119
> >            - on layer:           1000(0x3e8)
> > <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> >
> > The output of the windowmanager service is join in the file
> > log-before.txt (useful part starts after setup at line 468)
> >
> > After entering "LayerManagerControl set layer 1000 visibility 1" I can
> > click on an application icons. It launches it but nothing is shown. See
> > the output of "get scene" below.
> >
> > <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> > # LayerManagerControl get scene
> > Warning: input acceptance event trying to add seat default, that is
> > already in surface 592
> > Warning: input acceptance event trying to add seat default, that is
> > already in surface 456
> > screen 0 (0x0)
> > ---------------------------------------
> > - connector name:       Virtual-1
> > - resolution:           x=1080, y=1920
> > - layer render order:   1000(0x3e8), 1001(0x3e9),
> >
> >        layer 1000 (0x3e8)
> >        ---------------------------------------
> >        - destination region:   x=0, y=0, w=1080, h=1920
> >        - source region:        x=0, y=0, w=1080, h=1920
> >        - opacity:              1
> >        - visibility:           1
> >        - surface render order: 456(0x1c8),
> >        - on screen:            0(0x0)
> >
> >            surface 456 (0x1c8)
> >            ---------------------------------------
> >            - created by pid:       455
> >            - original size:      x=1920, y=1080
> >            - destination region: x=0, y=0, w=1920, h=1080
> >            - source region:      x=0, y=0, w=1920, h=1080
> >            - opacity:            1
> >            - visibility:         1
> >            - frame counter:      121
> >            - on layer:           1000(0x3e8)
> >
> >        layer 1001 (0x3e9)
> >        ---------------------------------------
> >        - destination region:   x=0, y=0, w=1080, h=1920
> >        - source region:        x=0, y=0, w=1080, h=1920
> >        - opacity:              1
> >        - visibility:           0
> >        - surface render order: 592(0x250),
> >        - on screen:            0(0x0)
> >
> >            surface 592 (0x250)
> >            ---------------------------------------
> >            - created by pid:       455
> >            - original size:      x=1920, y=1080
> >            - destination region: x=0, y=0, w=1920, h=1080
> >            - source region:      x=0, y=0, w=1920, h=1080
> >            - opacity:            1
> >            - visibility:         1
> >            - frame counter:      4
> >            - on layer:           1001(0x3e9)
> > <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> >
> > After entering "LayerManagerControl set layer 1001 visibility 1" I see
> > the application and interact with it.
> >
> > The output of the windowmanager service is join in the file log-after.txt
> >
> > Hint and clue very welcome.
> >
> > Best regards
> > José Bollo


--
Jacobo Aragunde
Software Engineer at Igalia

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