#ifndef GAME_WINDOW_H
#define GAME_WINDOW_H

#include "tier2/iappsystem.h"
#include "tier0/platform.h"

enum EGraphicsAPI
{
	GRAPHICS_API_METAL,
	GRAPHICS_API_VULKAN,
};

abstract_class IGameWindow: public IAppSystem
{
public:
	virtual void UpdateWindow() = 0;

	virtual EGraphicsAPI GetGraphicsAPI() = 0;

	virtual int GetVulkanInstanceExtensionCount() = 0;
	virtual const char **GetVulkanInstanceExtensions() = 0;
	virtual void CreateVulkanSurface( void *pInstance ) = 0;
	virtual void DestroyVulkanSurface( void *pInstance ) = 0;
	virtual void *GetVulkanSurface() = 0;
};

extern IGameWindow *gamewindow;

#endif