I am a shader that uses primitive level support.
NOTE: Currently, primitive and non-primitive lights cannot be mixed.

	initialize
	initialize reset

	shading
	primShadeVB:count:lights:material:vbFlags: processVertexBuffer:

	testing
	isAvailable

	accessing	top
	addLight: NOTE: This does not work if primitive/non-primitive lights are mixed!
	primitiveLights
	primitiveMaterial
	removeLight: Remove the light with the given index

	initialize	top
	initialize
	reset

	shading	top
	primShadeVB:count:lights:material:vbFlags: Primitive. Shade all the vertices in the vertex buffer using the given array of primitive light sources. Return true on success, false otherwise.
	processVertexBuffer: Do the primitive operation

	accessing	top
	version Return the version of this shader

	testing	top
	isAvailable Return true if this part of the engine is available