Hi Shuxing,
You could just grab the osgviewerQT source code by browsing SVN online.
As for managing OSG versions across a lab, why not just share the OSG
build/binary/lib directory across the network.
Robert.
On Dec 18, 2007 10:03 AM, Shuxing Xiao <[EMAIL PROTECTED]> wrote:
>
>
>
>
> Thanks very much for the clarification. Robert
>
> Honestly, I myself don't how come there's such kind of mixed up in my
> application, I only updated the version of osg from 2.0 to 2.2.
>
> Whatever, So may I now only check out the newest version of osgviewerQT
> without change my version of osg? Because it will take a lot of time to
> change the osg libraries on every machine of my lab.
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Hi Shuxing,
>
>
>
> I'm afraid mixing PixelBuffers with GraphicsWindowEmbedded isn't going
>
> to work, as osgViewer won't have the neccesary hooks in the graphics
>
> context that it needs. The graphics window embedded feature is not a
>
> fully feature implemented, rather an adapter to make it really
>
> straight forward to glue a viewer into the window.
>
>
>
> In 2.3.0 dev release made last night (and SVN) the osgviewerQT example
>
> now has two implementations of integration with QT, one the
>
> GraphicsWindowEmbedded that you are familiar, and a second that
>
> instead of using QGLWidget uses QWiget and osgViewer itself to create
>
> the graphics contexts using GraphicsWindowWin32/X11/Carbon. This
>
> later technique has the advantage that osgViewer now nows much more
>
> about the graphics contexts and can correctly share them.
>
>
>
> Robert.
>
>
>
> On Dec 18, 2007 3:51 AM, Shuxing Xiao <[EMAIL PROTECTED]> wrote:
>
> >
>
> >
>
> >
>
> >
>
> > I'm using osgviewerQT as my windowing system, so the graphicswindow it
> uses
>
> > is GraphicsWindowEmbedded.
>
> >
>
> > But when it comes to realizeImplementation() function of PixelBufferWin32
>
> > class, I got the following runtime error:
>
> >
>
> >
>
> >
>
> > Run-Time Check Failure #3 - The variable 'hglrc' is being used without
> being
>
> > defined.
>
> >
>
> >
>
> >
>
> > I traced the stack, and found in bool
>
> > PixelBufferWin32::realizeImplementation()
>
> >
>
> >
>
> >
>
> > if (_traits->sharedContext)
>
> >
>
> > {
>
> >
>
> > HGLRC hglrc;
>
> >
>
> >
>
> >
>
> > GraphicsWindowWin32* graphicsWindowWin32 =
>
> > dynamic_cast<GraphicsWindowWin32*>(_traits->sharedContext);
>
> >
>
> > if (graphicsWindowWin32)
>
> >
>
> > {
>
> >
>
> > hglrc = graphicsWindowWin32->getWGLContext();
>
> >
>
> > }
>
> >
>
> > else
>
> >
>
> > {
>
> >
>
> > PixelBufferWin32* pixelBufferWin32 =
>
> > dynamic_cast<PixelBufferWin32*>(_traits->sharedContext);
>
> >
>
> > if (pixelBufferWin32)
>
> >
>
> > {
>
> >
>
> > hglrc = pixelBufferWin32->getWGLContext();
>
> >
>
> > }
>
> >
>
> > }
>
> >
>
> >
>
> >
>
> > wglShareLists(hglrc, _hglrc);
>
> >
>
> > }
>
> >
>
> >
>
> >
>
> > Since my graphicswindow is GraphicsWindowEmbedded, then the two
> dynamic_cast
>
> > will all return NULL.
>
> >
>
> > And then the hglrc will be uninitialized when wglShareLists is invoked.
> That
>
> > causes the error. However, I've no idea how to fix this runtime error.
>
> >
>
> >
>
> >
>
> > BTW, This error doesn't happen when I first setup my scene and view it,
> but
>
> > when I modified the scene and changed one of its node.
>
> >
>
> >
>
> >
>
> > Any help will be great appreciated, thanks a lot.
>
> >
>
> >
>
> >
>
> > Sincerely yours,
>
> >
>
> > Shuxing Xiao
>
> > _______________________________________________
>
> > osg-users mailing list
>
> > [email protected]
>
> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>
> >
>
> >
>
> _______________________________________________
>
> osg-users mailing list
>
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>
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>
>
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>
>
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