获得显卡内存大小

最新推荐文章于 2024-04-04 12:23:41 发布

Augusdi

最新推荐文章于 2024-04-04 12:23:41 发布

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分类专栏： PC Hardware

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// vmem.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <ddraw.h> 

// #pragma   comment(lib,   "guids.lib ") 
#pragma   comment(lib,   "dxguid.lib") 

void vmem()
{
	LPDIRECTDRAW2   lpdd; 
	HRESULT   ddrval; 

	CoInitialize(NULL); 

	ddrval   =   CoCreateInstance(CLSID_DirectDraw, 
		NULL,   CLSCTX_ALL,   IID_IDirectDraw2,   (void**)&lpdd); 


	if(!FAILED(ddrval)) 
	{ 
		ddrval   =   IDirectDraw2_Initialize(lpdd,   NULL); 
	} 

	DDCAPS   ddcaps; 

	ddcaps.dwSize   =   sizeof   DDCAPS; 
	lpdd-> GetCaps(&ddcaps,   NULL); 

	lpdd-> Release(); 

	DWORD   dwMem   =   ddcaps.dwVidMemTotal; 

	int   iMem   =   dwMem/1024/1024; 

	printf("display   memory   is   %d   MB ", iMem);

	CoUninitialize(); 
}

int _tmain(int argc, _TCHAR* argv[])
{
	vmem();
	return 0;
}

同过DirectDraw函数获得显卡内存容量和当前使用状况。