Weston running on Ubuntu 11.10 : Query on libEGL debug output

[Alex Wu]

? 2012/5/22 1:40, souvik.datta at wipro.com ??:
>
>
> Script done on Monday 21 May 2012 07:05:43 PM IST
>
> > From the above log, it seems that libEGL debug logs are occuring twice.
>
> One set with
> libEGL debug: Native platform type: drm (autodetected)
> ..............
> and other set with
> libEGL debug: Native platform type: wayland (autodetected)
> ..............
>
> Can some one please explain why are these sets getting repeated? I have built MESA with backend support for wayland and egl.
> May be I am missing some fundamental concept here.

In your case, both client side and server side will use egl. For client 
side, it will use  wayland egl which wraps the buffer sharing mechanism 
between client and server. For server side, use drm egl to create the 
EGLImage from wl_buffer. The EGLImage then will be used by the 
compositor as a texture or passed to the modesetting code to use as an 
overlay plane. For details of EGL in wayland, you can ref

  * http://ppaalanen.blogspot.com/2012/03/what-does-egl-do-in-wayland-stack.html

  * Section "Hardware Enabling for Wayland" in
    http://wayland.freedesktop.org/architecture.html


>
> Thanks and Regards,
> Souvik
>
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