More than 1 Vertex Program
¡Can use
different vertex (fragment) programs
for different geometry!
¡Initialize
programs as you would normally
l1 context, 1
vertex profile, many programs, many
loads, etc.
¡In display
loop, bind appropriate VP before
gl_Begin() … gl_End().
¡To use
another VP, simply bind to it before
the next gl_Begin() … gl_End().