Some work towards multi-pipe

include/openspace/engine/openspaceengine.h

@@ -83,6 +83,8 @@ private:
     RenderEngine* _renderEngine;
     // ScriptEngine* _scriptEngine;
     ghoul::opencl::CLContext _context;
+
+    sgct::SharedVector<char> _synchronizationBuffer;
 };
 
 #define OsEng (openspace::OpenSpaceEngine::ref())

include/openspace/rendering/renderengine.h

@@ -44,15 +44,16 @@ public:
     void setSceneGraph(std::shared_ptr<SceneGraph> sceneGraph);
     std::shared_ptr<SceneGraph> sceneGraph();
 
+    Camera* camera() const;
+
 	// sgct wrapped functions
     bool initializeGL();
     void postSynchronizationPreDraw();
     void render();
     void postDraw();
 
-	// object extensions
-	//virtual void encode();
-	//virtual void decode();
+	void serialize(std::vector<char>& dataStream, size_t& offset);
+	void deserialize(const std::vector<char>& dataStream, size_t& offset);
 	
 private:
 	Camera* _mainCamera;

include/openspace/util/camera.h

@@ -58,6 +58,7 @@ public:
     const glm::quat& rotation() const;
 
     const glm::vec3& viewDirection() const;
+    
     const float& maxFov() const;
     const float& sinMaxFov() const;
     void setMaxFov(float fov);

include/openspace/util/psc.h

@@ -36,9 +36,9 @@ public:
 	const double * value_ptr();
 	const float * value_ptrf();
 	glm::dvec4 getVec4() const;
-	glm::vec4 getVec4f();
+	glm::vec4 getVec4f() const;
 	glm::dvec3 getVec3() const;
-	glm::vec3 getVec3f();
+	glm::vec3 getVec3f() const;
 	pss length() const;
 	glm::dvec3 getDirection() const;
 	glm::vec3 getDirectionf() const;
@@ -88,7 +88,7 @@ private:
 	glm::dvec4 vec_;
 
 	// float vector used when returning float values
-	glm::vec4 vecf_;
+	mutable glm::vec4 vecf_;
 
 };