Directx09 创建窗口代码

#include"d3d9.h"
#include"d3dx9.h"
//-------------------------global variables---------
LPDIRECT3D9 g_pD3D=NULL;
LPDIRECT3DDEVICE9 g_pd3dDevice=NULL;

VOID Cleanup()
{
if( g_pd3dDevice != NULL)
g_pd3dDevice->Release();
if( g_pD3D != NULL)
g_pD3D->Release();
}
HRESULT Init(HWND hWnd){
if( NULL == ( g_pD3D = Direct3DCreate9( D3D_SDK_VERSION ) ) )
return E_FAIL;

D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory( &d3dpp, sizeof(d3dpp) );
d3dpp.Windowed = TRUE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;

if( FAILED( g_pD3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd,
D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&d3dpp, &g_pd3dDevice ) ) )
return E_FAIL;
return S_OK;
}
void Render()
{
// Clear the back buffer to a blue color
g_pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0,0,255), 1.0f, 0 );

// Begin the scene
g_pd3dDevice->BeginScene();

// Rendering of scene objects happens here

// End the scene
g_pd3dDevice->EndScene();

g_pd3dDevice->Present( NULL, NULL, NULL, NULL );
}
LRESULT WINAPI MsgProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
switch( msg )
{
case WM_DESTROY:
Cleanup();
PostQuitMessage( 0 );
return 0;
case WM_PAINT:
Render();
ValidateRect( hWnd, NULL );
return 0;
}

return DefWindowProc( hWnd, msg, wParam, lParam );
}
INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR, INT )
{
// Register the window class.
WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, MsgProc, 0L, 0L,
GetModuleHandle(NULL), NULL, NULL, NULL, NULL,
"Direct3D Tutorial", NULL };

RegisterClassEx( &wc );

// Create the application's window.
HWND hWnd = CreateWindow( "Direct3D Tutorial", "Direct3D Tutorial 01: CreateDevice",
WS_OVERLAPPEDWINDOW, 100, 100, 300, 300,
GetDesktopWindow(), NULL, wc.hInstance, NULL );

if(SUCCEEDED(Init(hWnd)))
{

ShowWindow(hWnd,SW_SHOWNORMAL);
UpdateWindow(hWnd);
// The message loop.
MSG msg;
while( GetMessage( &msg, NULL, 0, 0 ) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
}
}