Is VT sharing possbile with weston 1.8.0 with fbdev backend?

[Vikas Patil Gmail]

Thanks for your comment. As I mentioned , I am working on splash screen using fb0 (splash image via Linux logo) and fb1 (Weston) and want to display splash till Weston screen comes up and then switch to fb1 using global alpha and want to avoid the flicker and screen clear i am seeing while Weston starts. 

Thanks,
Vikash

-----Original Message-----
From: "Jasper St. Pierre" <jstpierre at mecheye.net>
Sent: ‎10/‎27/‎2015 9:14 PM
To: "Vikas Patil Gmail" <vikasmpatil at gmail.com>; "Daniel Stone" <daniel at fooishbar.org>
Cc: "wayland mailing list" <wayland-devel at lists.freedesktop.org>
Subject: Re: Is VT sharing possbile with weston 1.8.0 with fbdev backend?

Out of curiosity, why do you require that we don't switch VTs in Weston?


On Tue, Oct 27, 2015, 8:23 AM Vikas Patil Gmail <vikasmpatil at gmail.com> wrote:

Hi Daniel,

Thanks for your comment and suggestions. I will surely ask to freesacle regarding it.

I was thinking VTs sharing don't have dependencies on GAL2D. Is possible could you point me the hack you mentioned so I can give try?

Is VT sharing possible if I use GLES renderer with fbdev backend?

I am trying splash screen and want to avoid flicker/screen clear. Using fb0 for splash and fb1 for Weston.

Thanks & Regards,
Vikash


From: Daniel Stone
Sent: ‎10/‎27/‎2015 7:43 PM
To: Vikas Patil
Cc: wayland mailing list
Subject: Re: Is VT sharing possbile with weston 1.8.0 with fbdev backend?


Hi,

On 27 October 2015 at 13:12, Vikas Patil <vikasmpatil at gmail.com> wrote:
> Does anyone know here if weston switches between VTs (Virtual Terminal)
> while starting weston using "fbdev" backend and GLA2D (Freescale specific
> renderer)? If yes then is there any way
> to stop switching between VTs and still star it successfully?
>
> I am using weston 1.8.0 on iMX platform with linux 3.14.28 (framebuffer
> console with logo, Virtual Terminal enabled).
>
> I used to do this with X11 using option called "sharedvt" (-sharevts: share
> VTs with another X server) to avoid the flicker/screen clear displayed due
> to without using this option.

The GAL2D backend is maintained completely separately by Freescale,
and has never been sent upstream. Unfortunately due to this (the hacks
in the code make it impossible to merge in its current form), we
cannot support the patches you have. Please get in touch with
Freescale and request support from them.

Alternately, there is support developing in Mesa for using the etnaviv
(Vivante 3D GPU) and imx-drm (Freescale 2D-ACE engine) open-source
drivers on i.MX6. If you are not able to get help from Vivante, this
could be a good option to pursue, as it has far better support.

Cheers,
Daniel

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