Hi Filip,

I haven't tried using mesa in this so can't comment speciifcally on
this usage.  For testing purposes I would recommend trying out the
GraphicsWindowEmbedded functionality that workarounds the need for
fully funcitoning GraphicsWindow.  Have a look at the osgviewerSDL
example to see how you can do this.

Robert.

On 25 July 2013 12:28, Filip Arlet <[email protected]> wrote:
> Hi,
>
> As fallback for offscreen rendering on computers without GPU I use Mesa3D. 
> (http://www.mesa3d.org/brianp/sig97/offscrn.htm) chapter 6.
>
> Everything works great in simple test program, but when I create custom 
> context subclassing osg::GraphicsContext and write methods and viewer. 
> OpenSceneGraph tells me, that I dont have valid context, even glGetString 
> function fails.
> But when I call makeCurrent manually in simple test prgoram without rendering 
> by osg (only few opengl calls), everything works. It seems like linking 
> problems within libraries.
>
> Any ideas ?
>
> Thank you!
>
> Cheers,
> Filip
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=55441#55441
>
>
>
>
>
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