成员的完整列表，这些成员属于 Material_2DEffects::Locations,包括所有继承而来的类成员

location	Material_2DEffects::Locations
Locations(cocos2d::backend::ProgramState *ps, cocos2d::backend::UniformLocation loc)	Material_2DEffects::Locations	inline
programState	Material_2DEffects::Locations