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dllmain.cpp
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dllmain.cpp
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#pragma comment(linker, "/ENTRY:\"DllEntryPoint\"")
#include "header.h"
#define D3DERR_COMMAND_UNPARSED 0x88760BB8
typedef HRESULT (__stdcall* DllGetClassObject_t )( REFCLSID, REFIID, LPVOID* );
typedef HRESULT (__stdcall* DirectDrawCreate_t )( GUID*, LPDIRECTDRAW*, IUnknown* );
typedef HRESULT (__stdcall* DirectDrawCreateEx_t )( GUID*, LPVOID*, REFIID, IUnknown* );
typedef HRESULT (__stdcall* DirectDrawCreateClipper_t )( DWORD dwFlags, LPDIRECTDRAWCLIPPER FAR *lplpDDClipper, IUnknown FAR *pUnkOuter );
typedef HRESULT (__stdcall* DirectDrawEnumerateA_t )( LPDDENUMCALLBACK lpCallback, LPVOID lpContext );
typedef HRESULT (__stdcall* DirectDrawEnumerateExA_t )( LPDDENUMCALLBACK lpCallback, LPVOID lpContext, DWORD dwFlags );
typedef HRESULT (__stdcall* DirectDrawEnumerateExW_t )( LPDDENUMCALLBACK lpCallback, LPVOID lpContext, DWORD dwFlags );
typedef HRESULT (__stdcall* DirectDrawEnumerateW_t )( LPDDENUMCALLBACK lpCallback, LPVOID lpContext );
typedef HRESULT (__stdcall* D3DParseUnknownCommand_t )( LPVOID lpCmd, LPVOID *lpRetCmd );
typedef HRESULT (__stdcall* DllCanUnloadNow_t)();
//
// undocumented
typedef DWORD (__stdcall* AcquireDDThreadLock_t )();
typedef DWORD (__stdcall* ReleaseDDThreadLock_t )();
typedef DWORD (__stdcall* GetOLEThunkData_t )( DWORD index );
typedef DWORD (__stdcall* SetAppCompatData_t )( DWORD index, DWORD data );
typedef DWORD (__stdcall* CompleteCreateSysmemSurface_t )( DWORD );
typedef HRESULT (__stdcall* DDGetAttachedSurfaceLcl_t )( DWORD, DWORD, DWORD );
typedef DWORD (__stdcall* DDInternalLock_t )( DWORD, DWORD );
typedef DWORD (__stdcall* DDInternalUnlock_t )( DWORD );
typedef HRESULT (__stdcall* DSoundHelp_t )( DWORD, DWORD, DWORD );
typedef HRESULT (__stdcall* GetDDSurfaceLocal_t )( DWORD, DWORD, DWORD );
typedef HRESULT (__stdcall* GetSurfaceFromDC_t )( DWORD, DWORD, DWORD );
typedef HRESULT (__stdcall* RegisterSpecialCase_t )( DWORD, DWORD, DWORD, DWORD );
HMODULE hRealDDraw;
DirectDrawCreate_t pDirectDrawCreate;
DirectDrawCreateEx_t pDirectDrawCreateEx;
DirectDrawCreateClipper_t pDirectDrawCreateClipper;
DirectDrawEnumerateA_t pDirectDrawEnumerateA;
DirectDrawEnumerateExA_t pDirectDrawEnumerateExA;
DirectDrawEnumerateExW_t pDirectDrawEnumerateExW;
DirectDrawEnumerateW_t pDirectDrawEnumerateW;
D3DParseUnknownCommand_t pD3DParseUnknownCommand;
DllGetClassObject_t pDllGetClassObject;
DllCanUnloadNow_t pDllCanUnloadNow;
AcquireDDThreadLock_t pAcquireDDThreadLock;
ReleaseDDThreadLock_t pReleaseDDThreadLock;
GetOLEThunkData_t pGetOLEThunkData;
SetAppCompatData_t pSetAppCompatData;
CompleteCreateSysmemSurface_t pCompleteCreateSysmemSurface;
DDGetAttachedSurfaceLcl_t pDDGetAttachedSurfaceLcl;
DDInternalLock_t pDDInternalLock;
DDInternalUnlock_t pDDInternalUnlock;
DSoundHelp_t pDSoundHelp;
GetDDSurfaceLocal_t pGetDDSurfaceLocal;
GetSurfaceFromDC_t pGetSurfaceFromDC;
RegisterSpecialCase_t pRegisterSpecialCase;
#pragma warning( disable: 4996 ) // strcat is unsafe
#pragma intrinsic( strcat )
BOOL __stdcall DllEntryPoint( HINSTANCE hDll, DWORD dwReason, LPVOID lpvReserved )
{
PROLOGUE;
UNREFERENCED_PARAMETER( lpvReserved );
switch(dwReason)
{
case DLL_PROCESS_ATTACH:
{
InitializeCriticalSection(&cs);
GetSystemInfo(&sSysInfo);
// load ddraw.dll from system32 dir
char szPath[ MAX_PATH ];
if( GetSystemDirectory( szPath, MAX_PATH - 10 ))
{
strcat( szPath, "\\ddraw.dll" );
TRACE( szPath );
hRealDDraw = LoadLibrary( szPath );
if( hRealDDraw == hDll ) // this dll is NOT the real dll...
{
FreeLibrary( hRealDDraw );
}
else
{
pDirectDrawCreate = (DirectDrawCreate_t) GetProcAddress( hRealDDraw, "DirectDrawCreate");
pDirectDrawCreateEx = (DirectDrawCreateEx_t) GetProcAddress( hRealDDraw, "DirectDrawCreateEx");
pDirectDrawCreateClipper = (DirectDrawCreateClipper_t) GetProcAddress( hRealDDraw, "DirectDrawCreateClipper");
pDirectDrawEnumerateA = (DirectDrawEnumerateA_t) GetProcAddress( hRealDDraw, "DirectDrawEnumerateA");
pDirectDrawEnumerateExA = (DirectDrawEnumerateExA_t) GetProcAddress( hRealDDraw, "DirectDrawEnumerateExA");
pDirectDrawEnumerateExW = (DirectDrawEnumerateExW_t) GetProcAddress( hRealDDraw, "DirectDrawEnumerateExW");
pDirectDrawEnumerateW = (DirectDrawEnumerateW_t) GetProcAddress( hRealDDraw, "DirectDrawEnumerateW");
pD3DParseUnknownCommand = (D3DParseUnknownCommand_t) GetProcAddress( hRealDDraw, "D3DParseUnknownCommand");
pDllGetClassObject = (DllGetClassObject_t) GetProcAddress( hRealDDraw, "DllGetClassObject");
pDllCanUnloadNow = (DllCanUnloadNow_t) GetProcAddress( hRealDDraw, "DllCanUnloadNow");
pAcquireDDThreadLock = (AcquireDDThreadLock_t) GetProcAddress( hRealDDraw, "AcquireDDThreadLock");
pReleaseDDThreadLock = (ReleaseDDThreadLock_t) GetProcAddress( hRealDDraw, "ReleaseDDThreadLock");
pGetOLEThunkData = (GetOLEThunkData_t) GetProcAddress( hRealDDraw, "GetOLEThunkData");
pSetAppCompatData = (SetAppCompatData_t) GetProcAddress( hRealDDraw, "SetAppCompatData");
pCompleteCreateSysmemSurface = (CompleteCreateSysmemSurface_t) GetProcAddress( hRealDDraw, "CompleteCreateSysmemSurface");
pDDGetAttachedSurfaceLcl = (DDGetAttachedSurfaceLcl_t) GetProcAddress( hRealDDraw, "DDGetAttachedSurfaceLcl");
pDDInternalLock = (DDInternalLock_t) GetProcAddress( hRealDDraw, "DDInternalLock");
pDDInternalUnlock = (DDInternalUnlock_t) GetProcAddress( hRealDDraw, "DDInternalUnlock");
pDSoundHelp = (DSoundHelp_t) GetProcAddress( hRealDDraw, "DSoundHelp" );
pGetDDSurfaceLocal = (GetDDSurfaceLocal_t) GetProcAddress( hRealDDraw, "GetDDSurfaceLocal" );
pGetSurfaceFromDC = (GetSurfaceFromDC_t) GetProcAddress( hRealDDraw, "GetSurfaceFromDC" );
pRegisterSpecialCase = (RegisterSpecialCase_t) GetProcAddress( hRealDDraw, "RegisterSpecialCase" );
}
}
break;
}
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
break;
case DLL_PROCESS_DETACH:
TRACE( "DLL_PROCESS_DETACH" );
FreeLibrary( hRealDDraw );
break;
}
EPILOGUE( TRUE );
}
#pragma warning( default: 4996 )
typedef HRESULT (__stdcall* DirectDrawCreate_t)( GUID*, LPDIRECTDRAW*, IUnknown* );
HRESULT __stdcall DirectDrawCreate( GUID* lpGUID, LPDIRECTDRAW* lplpDD, IUnknown* pUnkOuter )
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pDirectDrawCreate != NULL )
{
hResult = pDirectDrawCreate( lpGUID, lplpDD, pUnkOuter );
if( SUCCEEDED( hResult) )
{
Wrap( NULL, iid_to_vtbl( IID_IDirectDraw ), (void**)lplpDD );
}
}
EPILOGUE( hResult );
}
HRESULT __stdcall DirectDrawCreateEx( GUID* lpGUID, LPVOID* lplpDD, REFIID iid, IUnknown* pUnkOuter )
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pDirectDrawCreateEx != NULL )
{
hResult = pDirectDrawCreateEx( lpGUID, lplpDD, iid, pUnkOuter );
if( SUCCEEDED( hResult) )
{
Wrap( NULL, iid_to_vtbl( iid ), (void**)lplpDD );
}
}
EPILOGUE( hResult );
}
HRESULT __stdcall DirectDrawCreateClipper( DWORD dwFlags, LPDIRECTDRAWCLIPPER FAR *lplpDDClipper, IUnknown FAR *pUnkOuter )
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pDirectDrawCreateClipper != NULL )
{
hResult = pDirectDrawCreateClipper( dwFlags, lplpDDClipper, pUnkOuter );
if( SUCCEEDED( hResult) )
{
Wrap( NULL, iid_to_vtbl( IID_IDirectDrawClipper ), (void**)lplpDDClipper );
}
}
EPILOGUE( hResult );
}
// do we care what the CLSID is ?? or do we just look at riid...
// CLSID_DirectDraw, CLSID_DirectDraw7, CLSID_DirectDrawClipper
HRESULT __stdcall DllGetClassObject( REFCLSID rclsid, REFIID riid, LPVOID* ppvObject )
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pDllGetClassObject != NULL )
{
hResult = pDllGetClassObject( rclsid, riid, ppvObject );
if( SUCCEEDED( hResult) )
{
Wrap( NULL, iid_to_vtbl( riid ), ppvObject );
}
}
EPILOGUE( hResult );
}
////////////////////////////////////////////
//
// Every thing below here is just pass-thru
//
////////////////////////////////////////////
// returns void / no return value
DWORD __stdcall AcquireDDThreadLock()
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pAcquireDDThreadLock != NULL )
{
pAcquireDDThreadLock();
hResult = DD_OK;
}
EPILOGUE( hResult );
}
// returns void / no return value
DWORD __stdcall ReleaseDDThreadLock()
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pReleaseDDThreadLock != NULL )
{
pReleaseDDThreadLock();
hResult = DD_OK;
}
EPILOGUE( hResult );
}
HRESULT __stdcall DirectDrawEnumerateA( LPDDENUMCALLBACK lpCallback, LPVOID lpContext )
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pDirectDrawEnumerateA != NULL )
{
hResult = pDirectDrawEnumerateA( lpCallback, lpContext );
}
EPILOGUE( hResult );
}
HRESULT __stdcall DirectDrawEnumerateExA( LPDDENUMCALLBACK lpCallback, LPVOID lpContext, DWORD dwFlags )
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pDirectDrawEnumerateExA != NULL )
{
hResult = pDirectDrawEnumerateExA( lpCallback, lpContext, dwFlags );
}
EPILOGUE( hResult );
}
HRESULT __stdcall DirectDrawEnumerateExW( LPDDENUMCALLBACK lpCallback, LPVOID lpContext, DWORD dwFlags )
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pDirectDrawEnumerateExW != NULL )
{
hResult = pDirectDrawEnumerateExW( lpCallback, lpContext, dwFlags );
}
EPILOGUE( hResult );
}
HRESULT __stdcall DirectDrawEnumerateW( LPDDENUMCALLBACK lpCallback, LPVOID lpContext )
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pDirectDrawEnumerateW != NULL )
{
hResult = pDirectDrawEnumerateW( lpCallback, lpContext );
}
EPILOGUE( hResult );
}
HRESULT __stdcall D3DParseUnknownCommand( LPVOID lpCmd, LPVOID *lpRetCmd )
{
PROLOGUE;
HRESULT hResult = D3DERR_COMMAND_UNPARSED;
if( pD3DParseUnknownCommand != NULL )
{
hResult = pD3DParseUnknownCommand( lpCmd, lpRetCmd );
}
EPILOGUE( hResult );
}
HRESULT __stdcall DllCanUnloadNow()
{
PROLOGUE;
HRESULT hResult = S_FALSE;
if( pDllCanUnloadNow != NULL )
{
hResult = pDllCanUnloadNow();
}
EPILOGUE( hResult );
}
DWORD __stdcall GetOLEThunkData( DWORD index )
{
// switch( index )
// {
// case 1: return _dwLastFrameRate;
// case 2: return _lpDriverObjectList;
// case 3: return _lpAttachedProcesses;
// case 4: return 0; // does nothing?
// case 5: return _CheckExclusiveMode;
// case 6: return 0; // ReleaseExclusiveModeMutex
// }
PROLOGUE;
DWORD dwResult = 0;
if( pGetOLEThunkData != NULL )
{
dwResult = pGetOLEThunkData( index );
}
EPILOGUE( dwResult );
}
DWORD __stdcall SetAppCompatData( DWORD index, DWORD data )
{
// switch( index )
// {
// case 1: _g_bDWMOffForPrimaryLock = 0; return 0;
// case 2: _g_bDWMOffForPrimaryBlt = 0; return 0;
// case 3: _g_bForceFullscreenSprite = 1; return 0;
// case 4: _g_bForceBltToPrimary = 1; return 0;
// case 5: _g_crShadowBuf = data; return 0;
// case 6: _g_bDWMOffForFullscreen = 0; return 0;
// }
PROLOGUE;
DWORD dwResult = 0;
if( pSetAppCompatData != NULL )
{
dwResult = pSetAppCompatData( index, data );
}
EPILOGUE( dwResult );
}
DWORD __stdcall CompleteCreateSysmemSurface( DWORD arg1 )
{
PROLOGUE;
DWORD dwResult = 0;
if( pCompleteCreateSysmemSurface != NULL )
{
dwResult = pCompleteCreateSysmemSurface( arg1 );
}
EPILOGUE( dwResult );
}
HRESULT __stdcall DDGetAttachedSurfaceLcl( DWORD arg1, DWORD arg2, DWORD arg3 )
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pDDGetAttachedSurfaceLcl != NULL )
{
hResult = pDDGetAttachedSurfaceLcl( arg1, arg2, arg3 );
}
EPILOGUE( hResult );
}
DWORD __stdcall DDInternalLock( DWORD arg1, DWORD arg2 )
{
PROLOGUE;
DWORD dwResult = 0xFFFFFFFF;
if( pDDInternalLock != NULL )
{
dwResult = pDDInternalLock( arg1, arg2 );
}
EPILOGUE( dwResult );
}
DWORD __stdcall DDInternalUnlock( DWORD arg1 )
{
PROLOGUE;
DWORD dwResult = 0xFFFFFFFF;
if( pDDInternalUnlock != NULL )
{
dwResult = pDDInternalUnlock( arg1 );
}
EPILOGUE( dwResult );
}
/*
If SetCooperativeLevel is called once in a process, a binding is established between the process and the window.
If it is called again in the same process with a different non-null window handle, it returns the DDERR_HWNDALREADYSET
error value. Some applications may receive this error value when DirectSound(R) specifies a different window handle than
DirectDraw(R)they should specify the same, top-level application window handle.
*/
HRESULT __stdcall DSoundHelp( DWORD arg1, DWORD arg2, DWORD arg3 )
{
// _internalSetAppHWnd( 0, arg1, 0, 0, arg2, arg3 );
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pDSoundHelp != NULL )
{
hResult = pDSoundHelp( arg1, arg2, arg3 );
}
EPILOGUE( hResult );
}
// assume HRESULT...
HRESULT __stdcall GetDDSurfaceLocal( DWORD arg1, DWORD arg2, DWORD arg3 )
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pGetDDSurfaceLocal != NULL )
{
hResult = pGetDDSurfaceLocal( arg1, arg2, arg3 );
}
EPILOGUE( hResult );
}
// assume HRESULT...
HRESULT __stdcall GetSurfaceFromDC_export( DWORD arg1, DWORD arg2, DWORD arg3 )
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pGetSurfaceFromDC != NULL )
{
hResult = pGetSurfaceFromDC( arg1, arg2, arg3 );
}
EPILOGUE( hResult );
}
// setup for HEL BLT ???
HRESULT __stdcall RegisterSpecialCase( DWORD arg1, DWORD arg2, DWORD arg3, DWORD arg4 )
{
PROLOGUE;
HRESULT hResult = E_NOTIMPL;
if( pRegisterSpecialCase != NULL )
{
hResult = pRegisterSpecialCase( arg1, arg2, arg3, arg4 );
}
EPILOGUE( hResult );
}