OpenGL program

Development Platform:

Windows_Unix

Singleton.h：Code Content

							#ifndef _SINGLETON_H_
#define _SINGLETON_H_
#include <windows.h>
template<class T> class Singleton
{
    protected:
        Singleton() {}
        Singleton( const Singleton & ) {}
        Singleton &operator = (Singleton &) {}
        static T* pInst;
    public:
        static T* GetInstance()
        {
            if (pInst)
                return pInst;
            pInst = new T;
            return pInst;
        }
        static void ReleaseInstance()
        {
            if (pInst)
            {
                delete pInst;
                pInst = NULL;
            }
        }
};
template<class T> T *Singleton<T>::pInst = 0;
#endif

						