[vbox-dev] OpenGL service screen redirection

Rūdolfs Bundulis rudolfs.bundulis at gmail.com
Tue Apr 14 15:29:13 UTC 2015


this time I just had to follow the old RTFM rule, the manual clearly states
"OpenGL on Linux requires kernel 2.6.27 and higher as well as X.org server
version 1.5 and higher. Ubuntu 10.10 and Fedora 14 have been tested and
confirmed as working".

Best Regards,
Rudolfs Bundulis

2015-04-13 12:24 GMT+03:00 Rūdolfs Bundulis <rudolfs.bundulis at gmail.com>:

> Hi,
> again thanks to everyone for the previous info on 3D rendering redirection
> in the OpenGL service. I had time to test it out and stumbled upon a thing
> I need some clarification on. I am running my frontend on an Ubuntu server
> with no X11 and thus the OpenGL test app failed since I don't have X11 and
> no DISPLAY environment variable set. I exported VBOX_CROGL_FORCE_SUPPORTED
> to force the service to enable 3D but later on when it actually tries to do
> anything it fails again (render spu complains that no display is set, which
> is totally logical since it isn't). So the question is - if I'm running the
> offscreen redirection thing by calling crVBoxServerOutputRedirectSet do I
> still need to deploy X11 and set DISPLAY variable for OpenGL service to
> work? Or must I do something else to tell it not to touch X11? Since I
> somewhat expected that in the case of offscreen rendering there is not much
> sense in trying to use a physical display, however I'm not aware of the
> internals of OpenGL, maybe the display is a must have.
> Best Regards,
> Rudolfs Bundulis
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