// 비디오 모드 전환
BOOL SetDisplayModeWin( HWND hWnd, DWORD Width, DWORD Height, DWORD BPP )
{
    // Set Cooperative Level

	
    HRESULT hresult = lpDD->SetCooperativeLevel( hWnd,DDSCL_NORMAL );

    if ( hresult != DD_OK )
	{
		MESSAGE( "lpDD->SetCooperativeLevel" );
        return FALSE;
	}


    // Primary Surface 생성
    DDSURFACEDESC2 ddsd;
    ZeroMemory( &ddsd, sizeof( ddsd ) );

    ddsd.dwSize             = sizeof(ddsd);
    ddsd.ddsCaps.dwCaps     = DDSCAPS_PRIMARYSURFACE |
                              DDSCAPS_3DDEVICE;

    // Primary surface 생성
    hresult = lpDD->CreateSurface( &ddsd, &lpDDSPrimary, NULL );
    if ( hresult != DD_OK )
	{
		MESSAGE( "lpDD2->CreateSurface(lpDDSPrimary)" );
        return FALSE;
	}


	int w,h;
	RECT lpRect;
	GetWindowRect( GetDesktopWindow() , &lpRect );
	w = lpRect.right - lpRect.left;
	h = lpRect.bottom - lpRect.top;

	// 백 버퍼 1 생성
    ZeroMemory( &ddsd, sizeof(ddsd) );
	ddsd.dwSize=sizeof(ddsd);
    ddsd.dwFlags=DDSD_CAPS|DDSD_HEIGHT|DDSD_WIDTH;
    ddsd.ddsCaps.dwCaps=DDSCAPS_OFFSCREENPLAIN|DDSCAPS_3DDEVICE| DDSCAPS_VIDEOMEMORY;
    ddsd.dwWidth  = w;
    ddsd.dwHeight = h;
    lpDD->CreateSurface(&ddsd,&lpDDSBack,NULL);

	lpDD->CreateClipper( 0, &lpDDClipper , NULL );
	lpDDClipper->SetHWnd( 0, hWnd );
	lpDDSPrimary->SetClipper( lpDDClipper );
	lpDDClipper->Release();


	DDPIXELFORMAT	ddpx;
    // z-buffer Surface 생성
    ZeroMemory( &ddsd, sizeof(ddsd) );
    ddsd.dwSize            = sizeof(ddsd);
    ddsd.dwFlags           = DDSD_CAPS |
                             DDSD_WIDTH |
                             DDSD_HEIGHT|
                             DDSD_PIXELFORMAT;

    ddsd.dwWidth           = w;
    ddsd.dwHeight          = h;

	lpD3D->EnumZBufferFormats( lpD3DDeviceDesc->guid , EnumZBufferCallback , (VOID *)&ddpx );

	memcpy( &ddsd.ddpfPixelFormat , &ddpx , sizeof( DDPIXELFORMAT ) );

	//######################################################################################
	//작 성 자 : 오 영 석
	::CopyMemory( &g_ddpfPixelFormatZ, &ddsd.ddpfPixelFormat, sizeof(g_ddpfPixelFormatZ) );
	//######################################################################################

    // 하드웨어 이면 z-buffer를 비디오 메모리에 만든다.
    if ( lpD3DDeviceDesc->bIsHardware )
        ddsd.ddsCaps.dwCaps = DDSCAPS_ZBUFFER | DDSCAPS_VIDEOMEMORY;
    else
        ddsd.ddsCaps.dwCaps = DDSCAPS_ZBUFFER | DDSCAPS_SYSTEMMEMORY;

    // Create the ZBuffer surface.
    hresult = lpDD->CreateSurface( &ddsd, &lpDDSZBuffer, NULL );
    if ( hresult != DD_OK )
	{
		MESSAGE( "lpDD2->CreateSurface(lpDDSZBuffer)" );
        return FALSE;
	}

    // Back Surface에 Z-buffer를 붙인다.
    hresult = lpDDSBack->AddAttachedSurface( lpDDSZBuffer );
    if ( hresult != DD_OK )
	{
		MESSAGE( "lpDDSBack->AddAttachedSurface" );
        return FALSE;
	}

    // Direct3D Device 생성
    hresult = lpD3D->CreateDevice( lpD3DDeviceDesc->guid,
									lpDDSBack,
									&lpD3DDevice,
									NULL );
    if ( hresult != D3D_OK )
	{
		MESSAGE( "lpD3D->CreateDevice" );
        return FALSE;
	}

    // Viewport 크기 설정
    D3DRect.x1 = 0;
    D3DRect.y1 = 0;
    D3DRect.x2 = w;
    D3DRect.y2 = h;

	smScreenWidth = Width;
	smScreenHeight = Height;

	return TRUE;
}
// 비디오 모드 전환
BOOL SetDisplayMode( HWND hWnd, DWORD Width, DWORD Height, DWORD BPP )
{
    // Set Cooperative Level

	smTextureBPP = BPP;

	if ( WindowMode ) return SetDisplayModeWin( hWnd , Width , Height , BPP );
	
    HRESULT hresult = lpDD->SetCooperativeLevel( hWnd,
                                                  DDSCL_EXCLUSIVE |
                                                  DDSCL_FULLSCREEN |
												  DDSCL_ALLOWMODEX );
    if ( hresult != DD_OK )
	{
		MESSAGE( "lpDD->SetCooperativeLevel" );
        return FALSE;
	}


    // 풀화면 모드로 전환
    hresult = lpDD->SetDisplayMode( Width, Height, BPP, 0, 0 );
    if ( hresult != DD_OK )
	{
		MESSAGE( "lpDD3->SetDisplayMode" );
        return FALSE;
	}


    // Primary Surface 생성
    DDSURFACEDESC2 ddsd;
    ZeroMemory( &ddsd, sizeof(ddsd) );

    ddsd.dwSize             = sizeof(ddsd);
    ddsd.dwBackBufferCount  = 1;
    ddsd.dwFlags            = DDSD_CAPS |
                              DDSD_BACKBUFFERCOUNT;
    ddsd.ddsCaps.dwCaps     = DDSCAPS_PRIMARYSURFACE |
                              DDSCAPS_FLIP |
                              DDSCAPS_COMPLEX |
                              DDSCAPS_VIDEOMEMORY |
                              DDSCAPS_3DDEVICE;

    // Primary surface 생성
    hresult = lpDD->CreateSurface( &ddsd, &lpDDSPrimary, NULL );
    if ( hresult != DD_OK )
	{
		MESSAGE( "lpDD->CreateSurface(lpDDSPrimary)" );
        return FALSE;
	}

    // Back Surface 생성(?)
    DDSCAPS2 ddscaps;
    ddscaps.dwCaps = DDSCAPS_BACKBUFFER;
    hresult = lpDDSPrimary->GetAttachedSurface( &ddscaps, &lpDDSBack );
    if ( hresult != DD_OK )
	{
		MESSAGE( "lpDDSPrimary->GetAttachedSurface" );
        return FALSE;
	}


	//////////// 클리퍼 생성 ////////////////////////
	lpDD->CreateClipper( 0, &lpDDClipper , NULL );
	lpDDClipper->SetHWnd( 0, hWnd );
	lpDDSPrimary->SetClipper( lpDDClipper );
	lpDDClipper->Release();



    // z-buffer Surface 생성
    ZeroMemory( &ddsd, sizeof(ddsd) );
    ddsd.dwSize            = sizeof(ddsd);
    ddsd.dwFlags           = DDSD_CAPS |
                             DDSD_WIDTH |
                             DDSD_HEIGHT |
                             DDSD_PIXELFORMAT;
    ddsd.dwWidth           = Width;
    ddsd.dwHeight          = Height;

	lpD3D->EnumZBufferFormats( IID_IDirect3DHALDevice , EnumZBufferCallback , (VOID *)&ddsd.ddpfPixelFormat );

	//######################################################################################
	//작 성 자 : 오 영 석
	::CopyMemory( &g_ddpfPixelFormatZ, &ddsd.ddpfPixelFormat, sizeof(g_ddpfPixelFormatZ) );
	//######################################################################################

    // 하드웨어 이면 z-buffer를 비디오 메모리에 만든다.
    if ( lpD3DDeviceDesc->bIsHardware )
        ddsd.ddsCaps.dwCaps = DDSCAPS_ZBUFFER | DDSCAPS_VIDEOMEMORY;
    else
        ddsd.ddsCaps.dwCaps = DDSCAPS_ZBUFFER | DDSCAPS_SYSTEMMEMORY;

    // Create the ZBuffer surface.
    hresult = lpDD->CreateSurface( &ddsd, &lpDDSZBuffer, NULL );
    if ( hresult != DD_OK )
	{
		MESSAGE( "lpDD2->CreateSurface(lpDDSZBuffer)" );
        return FALSE;
	}

    // Back Surface에 Z-buffer를 붙인다.
    hresult = lpDDSBack->AddAttachedSurface( lpDDSZBuffer );
    if ( hresult != DD_OK )
	{
		MESSAGE( "lpDDSBack->AddAttachedSurface" );
        return FALSE;
	}

    // Direct3D Device 생성
    hresult = lpD3D->CreateDevice( lpD3DDeviceDesc->guid,
                                    lpDDSBack,
                                    &lpD3DDevice,
									NULL );
    if ( hresult != D3D_OK )
	{
		MESSAGE( "lpD3D->CreateDevice" );
        return FALSE;
	}

    // Viewport 크기 설정
    D3DRect.x1 = 0;
    D3DRect.y1 = 0;
    D3DRect.x2 = Width;
    D3DRect.y2 = Height;

	smScreenWidth = Width;
	smScreenHeight = Height;

    return TRUE;
}