4 #include <msp/gl/objectinstance.h>
5 #include <msp/gl/programdata.h>
6 #include <msp/gl/renderable.h>
12 class Sky3D: public Msp::GL::ObjectInstance
15 mutable Msp::GL::ProgramData shdata;
21 virtual void setup_render(Msp::GL::Renderer &, const Msp::GL::Tag &) const;