I need some help to fully understand the buffers design

[Daniel van Vugt]

If we can't find a way to work it into the existing GBM implementation 
then we might need to resolve this first:
   https://bugs.launchpad.net/mir/+bug/1118909


On 04/04/13 16:06, Eleni Maria Stea wrote:
> Hello everyone :)
>
> I am trying to create an SDL backend for mir so that mir can run inside
> X using SDL functions for the display/input handling. For the buffer
> exchange part, I tried to use the existing GBM at first, as some people
> suggested, but after some tests I did outside mir, it seems that you
> can't have the GBM/DRM working under X (you cannot create the gbm device).
>
> Since, in the current implementation the client and the server can only
> exchange drm or android buffers, I have to create a 3rd type of buffers
> that can use the same IPC mechanism with the gbm/android ones. I would
> really really appreciate if you could give me a high level overview of
> the buffers design to save me some time!
>
> Thanks a lot!!
> Eleni
>