bool DirectDrawDisplay::initialize()
{
theApp.sizeX = 240;
theApp.sizeY = 160;
switch(theApp.videoOption) {
case VIDEO_1X:
theApp.surfaceSizeX = theApp.sizeX;
theApp.surfaceSizeY = theApp.sizeY;
break;
case VIDEO_2X:
theApp.surfaceSizeX = theApp.sizeX * 2;
theApp.surfaceSizeY = theApp.sizeY * 2;
break;
case VIDEO_3X:
theApp.surfaceSizeX = theApp.sizeX * 3;
theApp.surfaceSizeY = theApp.sizeY * 3;
break;
case VIDEO_4X:
theApp.surfaceSizeX = theApp.sizeX * 4;
theApp.surfaceSizeY = theApp.sizeY * 4;
break;
case VIDEO_320x240:
case VIDEO_640x480:
case VIDEO_800x600:
case VIDEO_OTHER:
{
int scaleX = (theApp.fsWidth / theApp.sizeX);
int scaleY = (theApp.fsHeight / theApp.sizeY);
int min = scaleX < scaleY ? scaleX : scaleY;
if(theApp.fsMaxScale)
min = min > theApp.fsMaxScale ? theApp.fsMaxScale : min;
theApp.surfaceSizeX = theApp.sizeX * min;
theApp.surfaceSizeY = theApp.sizeY * min;
if(theApp.fullScreenStretch) {
theApp.surfaceSizeX = theApp.fsWidth;
theApp.surfaceSizeY = theApp.fsHeight;
}
}
break;
}
theApp.rect.left = 0;
theApp.rect.top = 0;
theApp.rect.right = theApp.sizeX;
theApp.rect.bottom = theApp.sizeY;
theApp.dest.left = 0;
theApp.dest.top = 0;
theApp.dest.right = theApp.surfaceSizeX;
theApp.dest.bottom = theApp.surfaceSizeY;
DWORD style = WS_POPUP | WS_VISIBLE;
DWORD styleEx = 0;
if(theApp.videoOption <= VIDEO_4X)
style |= WS_OVERLAPPEDWINDOW;
else
styleEx = WS_EX_TOPMOST;
if(theApp.videoOption <= VIDEO_4X)
AdjustWindowRectEx(&theApp.dest, style, TRUE, styleEx);
else
AdjustWindowRectEx(&theApp.dest, style, FALSE, styleEx);
int winSizeX = theApp.dest.right-theApp.dest.left;
int winSizeY = theApp.dest.bottom-theApp.dest.top;
int x = 0;
int y = 0;
if(theApp.videoOption <= VIDEO_4X) {
x = theApp.windowPositionX;
y = theApp.windowPositionY;
}
// Create a window
MainWnd *pWnd = new MainWnd;
theApp.m_pMainWnd = pWnd;
pWnd->CreateEx(styleEx,
theApp.wndClass,
"VisualBoyAdvance",
style,
x,y,winSizeX,winSizeY,
NULL,
0);
if (!(HWND)*pWnd) {
winlog("Error creating Window %08x\n", GetLastError());
return FALSE;
}
theApp.updateMenuBar();
theApp.adjustDestRect();
GUID *guid = NULL;
if(theApp.ddrawEmulationOnly)
guid = (GUID *)DDCREATE_EMULATIONONLY;
if(theApp.pVideoDriverGUID)
guid = theApp.pVideoDriverGUID;
ddrawDLL = AfxLoadLibrary("DDRAW.DLL");
HRESULT (WINAPI *DDrawCreateEx)(GUID *,LPVOID *,REFIID,IUnknown *);
if(ddrawDLL != NULL) {
DDrawCreateEx = (HRESULT (WINAPI *)(GUID *,LPVOID *,REFIID,IUnknown *))
GetProcAddress(ddrawDLL, "DirectDrawCreateEx");
if(DDrawCreateEx == NULL) {
theApp.directXMessage("DirectDrawCreateEx");
return FALSE;
}
} else {
theApp.directXMessage("DDRAW.DLL");
return FALSE;
}
theApp.ddrawUsingEmulationOnly = theApp.ddrawEmulationOnly;
HRESULT hret = DDrawCreateEx(guid,
(void **)&pDirectDraw,
IID_IDirectDraw7,
NULL);
if(hret != DD_OK) {
winlog("Error creating DirectDraw object %08x\n", hret);
if(theApp.ddrawEmulationOnly) {
// disable emulation only setting in case of failure
regSetDwordValue("ddrawEmulationOnly", 0);
}
// errorMessage(myLoadString(IDS_ERROR_DISP_DRAWCREATE), hret);
return FALSE;
}
if(theApp.ddrawDebug) {
DDCAPS driver;
DDCAPS hel;
ZeroMemory(&driver, sizeof(driver));
ZeroMemory(&hel, sizeof(hel));
driver.dwSize = sizeof(driver);
hel.dwSize = sizeof(hel);
pDirectDraw->GetCaps(&driver, &hel);
int i;
DWORD *p = (DWORD *)&driver;
for(i = 0; i < (int)driver.dwSize; i+=4)
winlog("Driver CAPS %2d: %08x\n", i>>2, *p++);
p = (DWORD *)&hel;
for(i = 0; i < (int)hel.dwSize; i+=4)
winlog("HEL CAPS %2d: %08x\n", i>>2, *p++);
}
int winVideoModeSelect(CWnd *pWnd, GUID **guid)
{
#ifdef _AFXDLL
HINSTANCE h = AfxLoadLibrary("ddraw.dll");
#else
HMODULE h = LoadLibrary( _T("ddraw.dll") );
#endif
// If ddraw.dll doesn't exist in the search path,
// then DirectX probably isn't installed, so fail.
if (!h)
return -1;
gDriverCnt = 0;
// Note that you must know which version of the
// function to retrieve (see the following text).
// For this example, we use the ANSI version.
LPDIRECTDRAWENUMERATEEX lpDDEnumEx;
lpDDEnumEx = (LPDIRECTDRAWENUMERATEEX)
GetProcAddress(h,"DirectDrawEnumerateExA");
// If the function is there, call it to enumerate all display
// devices attached to the desktop, and any non-display DirectDraw
// devices.
if (lpDDEnumEx)
lpDDEnumEx(DDEnumCallbackEx, NULL,
DDENUM_ATTACHEDSECONDARYDEVICES |
DDENUM_NONDISPLAYDEVICES
);
else {
/*
* We must be running on an old version of DirectDraw.
* Therefore MultiMon isn't supported. Fall back on
* DirectDrawEnumerate to enumerate standard devices on a
* single-monitor system.
*/
BOOL (WINAPI *lpDDEnum)(LPDDENUMCALLBACK, LPVOID);
lpDDEnum = (BOOL (WINAPI *)(LPDDENUMCALLBACK, LPVOID))
GetProcAddress(h, "DirectDrawEnumerateA");
if(lpDDEnum)
lpDDEnum(DDEnumCallback,NULL);
/* Note that it could be handy to let the OldCallback function
* be a wrapper for a DDEnumCallbackEx.
*
* Such a function would look like:
* BOOL FAR PASCAL OldCallback(GUID FAR *lpGUID,
* LPSTR pDesc,
* LPSTR pName,
* LPVOID pContext)
* {
* return Callback(lpGUID,pDesc,pName,pContext,NULL);
* }
*/
}
int selected = 0;
if(gDriverCnt > 1) {
VideoDriverSelect d(pWnd);
INT_PTR selected = d.DoModal();
if(selected == -1) {
#ifdef _AFXDLL
AfxFreeLibrary( h );
#else
FreeLibrary( h );
#endif
return -1;
}
}
HRESULT (WINAPI *DDrawCreateEx)(GUID *,LPVOID *,REFIID,IUnknown *);
DDrawCreateEx = (HRESULT (WINAPI *)(GUID *,LPVOID *,REFIID,IUnknown *))
GetProcAddress(h, "DirectDrawCreateEx");
LPDIRECTDRAW7 ddraw = NULL;
if(DDrawCreateEx) {
HRESULT hret = DDrawCreateEx(Drivers[selected].pGUID,
(void **)&ddraw,
IID_IDirectDraw7,
NULL);
if(hret != DD_OK) {
systemMessage(0, "Error during DirectDrawCreateEx: %08x", hret);
#ifdef _AFXDLL
AfxFreeLibrary( h );
#else
FreeLibrary( h );
#endif
return -1;
}
} else {
// should not happen....
systemMessage(0, "Error getting DirectDrawCreateEx");
#ifdef _AFXDLL
AfxFreeLibrary( h );
#else
FreeLibrary( h );
#endif
return -1;
}
VideoMode dlg(ddraw, pWnd);
INT_PTR res = dlg.DoModal();
if(res != -1) {
*guid = Drivers[selected].pGUID;
}
ddraw->Release();
ddraw = NULL;
// If the library was loaded by calling LoadLibrary(),
// then you must use FreeLibrary() to let go of it.
#ifdef _AFXDLL
AfxFreeLibrary( h );
#else
FreeLibrary( h );
#endif
return (int)res;
}
