On Mon, May 28, 2012 at 3:20 PM, Ezequiel Garcia <elezegar...@gmail.com> wrote:
> Hi,
>
> As part of my paid job as a software butcher I have to patch
> gdk-directfb backend
> to add an ipc semaphore to signal another process when the screen has been
> updated. The other process is in charge of clone the screen from
> hdmi/ypbpr output
> to composite ouput using low level fb ioctls.
>
> So, I grepped trough the code for Flip and Lock/Unlock and add my ipc there.
>
> Just to make sure: Is there another function apart from Flip and Lock/Unlock
> that can actually change a surface (or a window's surface)?
>

Please discard this message. I forgot the patch was useless because
there is no way to follow mouse using this ipc notification.

So I simply clone video outputs every 40 ms (25 fps).
This is great news, since I hate ugly-patching.

Sorry for the noise :)
Ezequiel.
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