#pragma once
	#include "CRendererBase.h"
	#include "GL/glew.h"
	#include "CGL430Material.h"
	#include "CGL430SSBO.h"
	#include <vector>
	#include <mutex>
	#include "CDrawable.h"
	#include "CShaderGL.h"
	class COpenGL430Renderer : public virtual CRendererBase //TODO COpenGLRendererBase
	{
	public:
	COpenGL430Renderer();
	~COpenGL430Renderer();
	void Init(SDL_Window* window) override;
	size_t GetGenericFlag() const override;
	void ClearWindow() override;
	void Display() override;
	void V_Update() override;
	std::string GetModelType() const override;
	std::string GetMaterialType() const override;
	std::shared_ptr<CDrawable> CreateAnimatedDrawable() const override;
	//std::shared_ptr<CDrawable> CreateNonAnimatedDrawable() const override;
	DEFINE_RENDERER();
	SDL_GLContext Context = nullptr;
	void RegisterMaterial(CGL430Material* material);
	void UnregisterMaterial(CGL430Material* material);
	void BindMaterialsSSBO(GLuint binding = 3);
	void SetupCamera(std::shared_ptr<CCamera> camera) override;
	void DrawModel(std::shared_ptr<CModelBase> model, const CTransform& transform) override;
	int GetMaterialIndex(CGL430Material* material);
	CShaderGL S_Default; //TODO temporary
	private:
	/*struct alignas(16) CMaterialGPU
	{
	alignas(8) glm::uvec2 diffuse;
	alignas(8) glm::uvec2 specular;
	alignas(8) glm::uvec2 reflection_map;
	alignas(4) float shininess;
	alignas(4) int use_specular_map;
	alignas(4) float reflectivity;
	alignas(4) int reflection_type;
	};*/
	#pragma pack(push, 1)
	struct CMaterialGPU
	{
	glm::uvec2 diffuse; //8
	glm::uvec2 specular; //8
	glm::uvec2 reflection_map; //8
	float shininess; //4
	int use_specular_map; //4
	float reflectivity; //4
	int reflection_type; //4
	}; //8 + 8 + 8 + 4 + 4 + 4 + 4 = 40 bytes
	#pragma pack(pop)
	int GetFreeMaterialIndex();
	void ReuploadMaterial(CGL430Material* material);
	CMaterialGPU BuildMaterialForGPU(CGL430Material* material);
	SDL_Window* Window = nullptr; //don't destroy it in renderer, CWindowManager does that
	CGL430SSBO m_MaterialsSSBO;
	std::vector<CGL430Material*> m_Materials;
	std::vector<CGL430Material*> m_PendingMaterials;
	mutable std::mutex m_MaterialMutex;
	std::vector<CGL430Material*> m_materialsToUpload;
	};