memalloc.h

3D游戏开发需要用到BSP树来经行场景渲染的管理。本代码包含完整的BSP及文件生成实现

#pragma once

#include <xmmintrin.h>

__declspec(align(16)) class CMemObj
{
private:
	//static size_t	total_mem_alloc;
	static void*	Alloc(size_t size);
public:
				//CMemObj(){}
				//~CMemObj(){}

	void*		operator new (size_t size) { return Alloc(size); }
	void*		operator new[] (size_t size) { return Alloc(size);}
	void*		operator new (size_t size, void *where) { return where;}
	void*		operator new[] (size_t size, void *where) { return where;}

	void		operator delete (void *mem) {_mm_free(mem);}
	void		operator delete[] (void *mem) {_mm_free(mem);}
	void		operator delete (void *mem, void *where) {};
	void		operator delete[] (void *mem, void *where) {};

//	static size_t	GetAllocBytes() { return total_mem_alloc; }
};

inline void* CMemObj::Alloc(size_t size) {
		//total_mem_alloc += size;
		return _mm_malloc(size, 16);
}