int DDInit(void)
{
HRESULT hRet;
hWnd = Form1->Handle;
DDEnd();
hRet = DirectDrawCreateEx(NULL, (VOID**)&m_pDD, IID_IDirectDraw7, NULL);
if(DDError(hRet != DD_OK,"DDCreateEX")) return(false);
if (Form1->FullScreen)
{
hRet = m_pDD->SetCooperativeLevel(hWnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
hRet = m_pDD->SetDisplayMode(FScreen.Width, FScreen.Height, FScreen.Bpp,NULL,NULL);
}
else hRet = m_pDD->SetCooperativeLevel(hWnd, DDSCL_NORMAL);
if(DDError(hRet != DD_OK,"DDSetCoop")) return(false);
HRESULT hr;
DDSURFACEDESC2 ddsd;
ZeroMemory( &ddsd, sizeof( ddsd ) );
ddsd.dwSize = sizeof( ddsd );
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
if(DDError(hr = m_pDD->CreateSurface(&ddsd, &m_pddsFrontBuffer, NULL)
,"CreateFrontSurface")) return(false);
// Create the backbuffer surface
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE;
ddsd.dwWidth = 1024;
ddsd.dwHeight = 768;
hr = m_pDD->CreateSurface(&ddsd, &m_pddsFrame, NULL);
if (hr)
{
ddsd.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_3DDEVICE;
ddsd.dwWidth = 460;
ddsd.dwHeight = 400;
hr = m_pDD->CreateSurface(&ddsd, &m_pddsFrame, NULL);
if(DDError(hr,"CreateBackSurface")) return(false);
tv.DisableAdvanced=1;
}
if (!Form1->FullScreen)
{
if(DDError(hr = m_pDD->CreateClipper(0, &pcClipper, NULL)
,"CreateClipper")) return(false);
if(DDError(hr = pcClipper->SetHWnd(0, hWnd)
,"SetClipperHwnd"))
{
pcClipper->Release();
return(false);
}
if(DDError(hr = m_pddsFrontBuffer->SetClipper(pcClipper)
,"SetClipperSurface"))
{
pcClipper->Release();
return(false);
}
}
return(true);
}
//////////////////////////////////////////////////////////////////////////////////
// CRMEngine CreateFullScreen - creates a full screen application
//////////////////////////////////////////////////////////////////////////////////
HRESULT CRMEngine::CreateFullScreen(CDXScreen* pScreen, void *hWnd,
int Width, int Height, int BPP)
{
GUID d3dGUID;
LPDIRECTDRAW lpDD;
LPDIRECTDRAWSURFACE lpDDS;
HRESULT rval;
CDXLOG("START: CRMEngine::CreateFullScreen");
CDXASSERT(BPP!=8);
CDXLOG("Release any existing m_RMDevice we have");
// first release everything that has been allocated
RELEASE(m_RMDevice);
CDXLOG("Save our Screen Pointer, and switch us to FullScreen mode");
// create the CDXScreen object
m_Screen = pScreen;
if(FAILED(m_Screen->CreateFullScreen(hWnd, Width, Height, BPP))) {
CDXLOG("FullScreen mode switch failed");
return D3DRMERR_NOTDONEYET;
}
#if DIRECTDRAW_VERSION >= CDX_DDVER
CDXLOG("QueryInterface for a IDirectDraw Interface");
// query for a IDirectDraw object
rval = m_Screen->GetDD()->QueryInterface(IID_IDirectDraw, (LPVOID*)&lpDD);
if(rval != DD_OK) DDError(rval, NULL, __FILE__, __LINE__);
CDXLOG("QueryInterface for a IDirectDrawSurface Interface");
rval = m_Screen->GetBack()->GetDDS()->QueryInterface(IID_IDirectDrawSurface, (LPVOID*)&lpDDS);
if(rval != DD_OK) DDError(rval, NULL, __FILE__, __LINE__);
#else
CDXLOG("Save the DirectDraw and DirectDrawSurface pointers");
lpDD = m_Screen->GetDD();
lpDDS = m_Screen->GetBack()->GetDDS();
#endif
CDXLOG("Attempt to CreateDeviceFromSurface");
// create the d3d device
rval = m_Direct3DRM->CreateDeviceFromSurface(FindDevice(BPP, &d3dGUID),
lpDD, lpDDS,0, &m_RMDevice);
if(FAILED(rval)) {
CDXLOG("Create attempt failed");
D3DError(rval, m_Screen->GetWindowHandle(), __FILE__, __LINE__);
return D3DRMERR_NOTDONEYET;
}
CDXLOG("Set the RMDevice buffer count = 2");
/* in my doc it's specified that we should set this */
m_RMDevice->SetBufferCount(2);
CDXLOG("Set our defaults based on bit depth");
// start our engine with default values based on color depth
SetDefaults();
CDXLOG("END: CRMEngine::CreateFullScreen");
return D3DRM_OK;
}
