Hi,
Doesn't anyone have an idea about this? Basic question is, how can one
retrieve a valid context without logging in to Windows? Is it even
possible? I guess this problem isn't OSG-specific but I would have
guessed that someone here had come across this before.
Even if I enable auto-login, it won't allow for remote desktop login
since you're logged out again after such a session - this makes it hard
to log in remotely to check the progress of headless process servers.
Regards,
Andreas
On 2019-06-16 21:17, Andreas Ekstrand wrote:
Hi,
I'm having problems with the osgposter example in Windows, or more
precisely something similar I'm developing but the problem is easier
to reproduce with osgposter. In my simple reproduction of the problem
I'm trying to render an image automatically at computer startup by
calling osgposter (inactive mode) from a Python script (os.system)
activated as a task from Task Scheduler in Windows 10. But it seems to
fail to fetch a valid OpenGL context. I have tried all rendering types
in osgposter - fb, fbo, pbuffer and pbuffer-rtt.
The script works fine when started manually or when the task is set to
start only when the user is logged on. But when activated as a task at
computer startup whether user is logged on or not, it refuses to
render anything. It just gets stuck in an infinite loop in the
PosterPrinter class since FrameStamp::getFrameNumber() returns 0.
Before that, View::setUpViewInWindow results in the following messages
if OSG_NOTIFY_LEVEL is set to DEBUG:
(...)
SingleWindow::configure - GraphicsWindow has not been created
successfully.
(...)
Viewer::realize() - No valid contexts found, setting up view across
all screens.
(...)
SingleWindow::configure - GraphicsWindow has not been created
successfully.
(...)
Viewer::realize() - failed to set up any windows
Does anyone know how to get this working without having to log on to a
Windows user? Should it work? I have a GeForce GT 710 with the latest
drivers. Actually, I tried adding opengl32.dll from the Mesa3D library
to the same folder as osgposter.exe to make it work when manually
executed while logged on through Remote Desktop. It did the trick, but
not when activated from Task Scheduler.
Regards,
Andreas
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