2012/11/4 DRC <dcomman...@users.sourceforge.net>
>
>
> You're going to have to elaborate a lot more than that. Start by
> answering the question-- to what end? And what do you mean by "the
> video buffers"? You mean the rendered 3D images? Or the X server
> output? If you're just trying to get access to the frames rendered by
> VirtualGL, there's a much more straightforward way to do it-- write your
> own image transport plugin, or modify one of the existing ones. If
> you're trying to get access to the pixel output of the 2D X server, then
> you would simply run VirtualGL inside of the Xvfb session and do what
> you're doing above, but then I don't understand your statement about
> "multiple VNC sessions." You are not providing enough information about
> the ultimate goal of the project and the basic architecture for me to be
> able to provide an intelligent response.
>
>
Ok, let me try again. The project is about running certain sandboxed GUI
applications (like firefox, for instance) in a virtual windowing
environment, but the client application is not a regular user but an
automated testing service. The service sends control events via Xlib/xcb
protocol commands and "sees" the pixel output of the 2D X server as a
buffer where certain image processing algorithms are being run to detect
features of the application, and send appropiate mouse/keyboard events
The current approach is creating individual instances of Xvfb on dedicated
displays and running the app inside it. This works but is wasteful because
it relies on the CPU to render the images. I'm currently investigating if
virtualGL would allow us to improve in that regard, as a sustitute of Xvfb.
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