kraken/kraken/KRDeviceManager.h

//
//  KRDeviceManager.h
//  Kraken Engine
//
//  Copyright 2023 Kearwood Gilbert. All rights reserved.
//  
//  Redistribution and use in source and binary forms, with or without modification, are
//  permitted provided that the following conditions are met:
//  
//  1. Redistributions of source code must retain the above copyright notice, this list of
//  conditions and the following disclaimer.
//  
//  2. Redistributions in binary form must reproduce the above copyright notice, this list
//  of conditions and the following disclaimer in the documentation and/or other materials
//  provided with the distribution.
//  
//  THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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//

#pragma once

#include "KREngine-common.h"

#include "KRContext.h"
#include "KRDevice.h"

class KRDeviceManager : KRContextObject
{
public:
  KRDeviceManager(KRContext& context);
  ~KRDeviceManager();

  void initialize();
  bool haveVulkan() const;
  bool haveDevice() const;

  std::unique_ptr<KRDevice>& getDevice(KrDeviceHandle handle);
  VkInstance& getVulkanInstance();
  KrSurfaceHandle getBestDeviceForSurface(const VkSurfaceKHR& surface);
  unordered_map<KrDeviceHandle, std::unique_ptr<KRDevice>>& getDevices();

private:
  unordered_map<KrDeviceHandle, std::unique_ptr<KRDevice>> m_devices;
  KrDeviceHandle m_topDeviceHandle;

  void createDevices();
  void destroyDevices();
  VkInstance m_vulkanInstance;

};