[meta-freescale] RFC regarding glimagesink

[Thomas Senyk]

On Tuesday, 30 July, 2013 2:52:38 Abhijit Potnis wrote:
> On Tue, Jul 30, 2013 at 2:06 AM, Thomas Senyk
> 
> <thomas.senyk at pelagicore.com>wrote:
> > On Monday, 29 July, 2013 16:06:17 Rogerio Nunes wrote:
> > > On Mon, Jul 29, 2013 at 3:54 PM, Eric Nelson
> > > 
> > > <eric.nelson at boundarydevices.com> wrote:
> > > > Hi Rogerio,
> > > > 
> > > > On 07/29/2013 12:29 PM, Rogerio Nunes wrote:
> > > >> My apologies, Eric.
> > > >> 
> > > >> I misread your email the first time.
> > > >> 
> > > >> I'm trying a clean build now with master-next, but I'm having
> > 
> > dependency
> > 
> > > >> issues.
> > > >> As soon as I fix this I'll look into glimagesink.
> > > > 
> > > > I had some dependency issues as well, and I had to revert
> > > > Abhijit's wayland patch (78936c1994cb2db102bd200123be976a7c051b98)
> > > > to get past them.
> > > > 
> > > > For some reason, with that patch, I was seeing the wayland version
> > > > of some libraries, so configure failed on gst-plugins-gl.
> > > 
> > > That's exactly the same issue I'm having here... no fb* symbols in
> > > libEGL, so configure fails to link...
> > 
> > I wonder if the fb* symbols should actually vanish?
> > 
> > In a wl enabled version I've tested before I had both, wl_* and fb*
> > symbols.
> > 
> >   .. and IMO this is the right way, because it enabled you to have opengl-
> > 
> > based compositors and wayland-egl based clients with the same libraries.
> > 
> > 
> > Also from a include/define perspective only if EGL_API_FB is set, it makes
> > sense to set WL_EGL_PLATFORM.
> > quote from eglvivante.h:
> > 
> > ...
> > #elif defined(LINUX) && defined(EGL_API_FB) && !defined(__APPLE__)
> > 
> > #if defined(WL_EGL_PLATFORM)
> > ...
> > 
> > 
> > Does anyone know the reason why fb* symbols got removed from libEGL-wl.so?
> 
> Freescale probides framebuffer based backend implementation for weston,
> which run
> with libEGL-wl.so. So this does equate to libEGL-wl.so having fb* symbols.
> I did check
> that a few functions like `fbGetDisplayByIndex`  `fbGetDisplayGeometry'
> `fbCreateWindow'
> are supported over libEGL-wl.so
> 
> I used the attached sample code to test fb on the imx6qsaberlite.
> 
> arm-none-linux-gnueabi-g++ fb_test.c -o n900gles -lEGL-wl -lGAL-wl
> -lgc_wayland_protocol -lwayland-client -lffi -lwayland-server
> 
> Note the above never ending list of libs to link to. That where it gets
> messy. GAL-wl lib throws in
> dependencies over to Wayland client and server library and I ended up
> adding them.

I though I just tested this and didn't have fb* symbols ..I must have made a 
mistake!
After checking again I see them with objdump -x

So yes all the fb* symbols are present! :)

> 
> Regards,
> Abhijit
> 
> > Greet
> > Thomas
> > 
> > > Thanks.
> > > 
> > > > Regards,
> > > > 
> > > > 
> > > > Eric
> > > 
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> > 
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