#include <vector>
#include "blend.h"
#include "depthtest.h"
-#include "mesh.h"
-#include "program.h"
#include "query.h"
#include "scene.h"
namespace Msp {
namespace GL {
+class Mesh;
+class Program;
+
/**
A scene that performs occlusion queries on renderables to skip those that are
entirely occluded by others.