|
//----------Set up DirectDraw---------------------
|
|
// Create the DirectDraw object
|
|
hr = DirectDrawCreate( NULL, &lpdd, NULL );
|
|
if( hr != DD_OK )
|
|
return FALSE;
|
|
// Decide the application's behaviour
|
|
hr = lpdd->SetCooperativeLevel( hwndApp, DDSCL_EXCLUSIVE |
|
|
DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX );
|
|
if( hr != DD_OK )
|
|
return FALSE;
|
|
// Set the display mode
|
|
hr = lpdd->SetDisplayMode( window_width, window_height, bits_per_pixel );
|
|
if( hr != DD_OK )
|
|
return FALSE;
|
|
ddsd.dwSize = sizeof( ddsd );
|
|
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
|
|
ddsd.dwBackBufferCount = 1; //We are using one back buffer
|
|
//Specify surface capabilities
|
|
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX;
|
|
hr = lpdd->CreateSurface( &ddsd, &lpFrontBuffer, NULL );
|
|
if( hr != DD_OK )
|
|
return FALSE;
|
|
// get pointer to back buffer
|
|
ddscaps.dwCaps = DDSCAPS_BACKBUFFER;
|
|
hr = lpFrontBuffer->GetAttachedSurface(&ddscaps, &lpBackBuffer );
|
|
if( hr != DD_OK )
|
|
return FALSE;
|
|
/* Initial screen layout & rendering can be done here if needed */
|
|
return TRUE;
|
|
}
|
|
Setting up
|
|
DirectDraw
|
|
640 X 480 X 8
|
