Direct3D:CreateDevice

就是一个DX里的函数。

//-----------------------------------------------------------------------------
// file: CreateDevice.cpp
//
// Desc: This is the first tutorial for using Direct3D. In this tutorial, all
// we are doing is creating a Direct3D device and using it to clear the
// window.
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
#include <d3d9.h>

//-----------------------------------------------------------------------------
// Global variables
//-----------------------------------------------------------------------------
LPDIRECT3D9 g_pD3D = NULL; // Used to create the D3DDevice
LPDIRECT3DDEVICE9 g_pd3dDevice = NULL; // Our rendering device

//-----------------------------------------------------------------------------
// Name: InitD3D()
// Desc