text: // MIT License
  
  // Copyright (c) 2022 jiwenchen(cjwbeyond@hotmail.com)
  
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  
  // The above copyright notice and this permission notice shall be included in all
  // copies or substantial portions of the Software.
  
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  // SOFTWARE.
  
  #pragma once
  #include <string>
  #include <vector>
  #include <cstring>
  
  namespace MonkeyGL{
  
      struct DeviceProp
      {
          char name[256];
          unsigned long totalMem;
          int major;
          int minor;
  
          char reserved[1024];
  
          DeviceProp(){
              memset(this, 0, sizeof(DeviceProp));
          }
      };
  
      class DeviceInfo
      {
      public:
          DeviceInfo();
          ~DeviceInfo();
  
          static DeviceInfo* Instance();
  
      public:
          bool GetCount(int& count);
          bool GetName(std::string& strName, const int& index);
          bool GetTotalGlobal(unsigned long& mem, const int& index);
          bool GetMajor(int& major, const int& index);
          bool GetMinor(int& minor, const int& index);
  
          bool SetDevice(const int& index);
  
      private:
          bool m_bInit;
          int m_nCount;
          std::vector<DeviceProp> m_vecProp;
      };
  
  }