[osg-users] Shadow in GraphicsWindowEmbedded

[Cong Ye]

Hi Robert

Thanks very much for your reply. I check the osgQt after your suggestion, I know the problem now. However, it still doesn't work after I add gl_back. As it is not high priority, I will implement shadow myself later.

I am currently using the osgShadow NodeKist. It only works when I use osgViewer as default graphics context. Now the case is, I have to assign a third party graphics context to the main camera as we are using a Qt Gui for buttons etc. After I assign osgViewer::GraphicsWindowEmbedded to the main camera, the scene cannot be drawn. Only clear color is displayed. So I assume that since the graphics context has been changed, do i have to specify where the shadow texture need to be binded?

There isn't any special you need to do with osgShadow, it'll be
looking after itself.
The problem you have is mostly likely down to the issues with the Qt
integration, and using osgShadow isn't revelling this exisiting
problem rather than causing it.
My best guess is that you haven't set the Draw/ReadBuffers correctly
for you viewer level Cameras.
If this doesn't work then please think about using osgQt.
Robert.
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