Hiya, I'm using OSG on a mobile target (OpenGL ES 2) and my scene runs really really slow. I'm trying to optimize it by reducing the number of draw calls.
My scene has a bunch of labels that draw text along a path. Each label consists of several osgText nodes that are single characters in length, each with their own transform on top. So if a single label is "OSG" it will have three osgText nodes. I want to throw all of the label attributes (which I think is just vertex and tex coord arrays) into a single VBO, but I'm not really sure how I would do that (or even if I could). I'd appreciate any advice. Preet
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