HI Ignore,
I have just tried the command line you supplied and it worked
correctly on my Kubuntu 10.10/ATI system.
The errors you are seeing suggest an issue with the OpenGL driver.
What hardware and drivers are you using?
Robert.
On Wed, Dec 1, 2010 at 12:10 PM, Igor Galochkin wrote:
> Hi,
>
> I am trying to render the scene to an image without opening any windows.
> After doing a lot of searching and looking thru source code of OSG classes, I
> still get a completely white image.
>
> In many places people say one should use the same code as there is in
> osgscreencapture which renders to a pbuffer is --pbuffer-only option is
> passed.
>
> But the fact is that osgscreencapture doesn't work itself!
>
> osgscreencapture.exe axes.osg --pbuffer-only 640 480
>
> must produce an image without opening any windows.
>
> When running this on my laptop (WindowsXP home) i get the following error
> message:
> PixelBufferWin32::init(), Error: Couldn't find a suitable pixel format
> Pixel buffer has not been created successfully.
> Windows Error #2000: Win32WindowingSystem::OpenGLContext() - Unable to
> restore current OpenGL rendering context. Reason: Pixel format is invalid.
>
> after that the axes.osg file is just opened in a full-screen viwer window, no
> image file is created.
>
>
> When running this on my Desktop PC (WindowsXP Pro) i get the following error
> message:
> Pixel buffer has been created successfully.
> PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: Die
> angeforderte Ressource wird bereits verwendet. (The requested resource is
> already being used)
>
> Error: OpenGL version test failed, requires valid graphics context.
> After that the program crashes and attempt to open Visual Studio debugger.
>
> On both machines OSG is correctly installed, e.g. i can easily open the osg
> files in viewer by double clicking.
>
> Do I at least call the osgscreenviewer correctly?
>
>
> ...
>
> Thank you!
>
> Cheers,
> Igor
>
> --
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=34307#34307
>
>
>
>
>
> ___
> osg-users mailing list
> osg-users@lists.openscenegraph.org
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>
___
osg-users mailing list
osg-users@lists.openscenegraph.org
http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org