vpCreateContext, vpDestroyContext - create/destroy a rendering context
- vpContext *vpc;
- VolPack context from vpCreateContext.
returns a handle for a new rendering context. It contains
default values for most of the rendering parameters.
destroys a rendering context and frees the associated
memory. Only data structures allocated by the library are freed;
application-defined data structures that are referenced in the rendering
context through a pointer are not freed (e.g. arrays of volume data and
shading lookup tables). The application is responsible for keeping track of
such data structures and freeing them when appropriate.