Hi Greg, I haven't attempted doing what you are doing before so can't answer with specific solutions. General comments would be that Pixel Buffers are essentially fixed size with no support for resizing.
To provide a something equivalent to resize functionality you could allocate a new pixel buffer with the new size or create an oversized pixel buffer at the start that you just use a viewport at the size you wish to render at. Potentially you could use FrameBufferObjects within a PixelBuffer so rather than rendering directly to the PixelBuffer's frame buffer you render to one FBO and reallocate a FBO when you need a resize. The advantage with use a FBO is that you never need to destroy a graphics context and all the GL objects associated with it, this means the costs will be much lower for creating a new window size as creating/destoying a FBO will just require re-allocation of it, all the rest of the GL objects like textures, VBO's etc. can remain allocated. Robert. _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
