Summary
After a wireframed sketch is ready in the pipeline, as you may find out from this chapter, the graphic rendering is then applied to add lights, textures, bump mapping, or programmable effects to other objects, with the help of the osg::StateSet class and a set of osg::StateAttribute subclasses. In this chapter, we introduced in detail the techniques of manipulating rendering states and attributes, especially the two different ways to realize realistic rendering effects by using the fixed-function pipeline and with the OpenGL shading language.
In this chapter, we specifically covered:
- Controlling and inheriting the rendering attributes and modes stored in
osg::StateSetobjects of nodes and drawables. - Realizing fixed-function rendering effects ...
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