HRESULT APIENTRY OVRCreateDXGIFactory2(
__in UINT flags,
__in const IID &riid,
__out void **ppFactory
)
{
HRESULT result = E_FAIL;
restoreFunction( (PROC)oldCreateDXGIFactory2, oldCreateDXGIFactory2Data );
if (IN_COMPATIBILITY_MODE())
{
result = (*oldCreateDXGIFactory2)(flags, riid, ppFactory);
}
else
{
WinCreateDXGIFactory2 createFunction = (WinCreateDXGIFactory2)GetProcAddress(rtFilterModule, "CreateDXGIFactory2");
result = (*createFunction)(flags, riid, ppFactory);
}
setFunction( (PROC)oldCreateDXGIFactory2, (PROC)OVRCreateDXGIFactory2, oldCreateDXGIFactory2Data );
printf("%s result 0x%x\n", __FUNCTION__, result);
return result;
}
HRESULT APIENTRY OVRCreateDXGIFactory1(
__in REFIID riid,
__out void **ppFactory
)
{
HRESULT result = E_FAIL;
restoreFunction( (PROC)oldCreateDXGIFactory1, oldCreateDXGIFactory1Data );
if (IN_COMPATIBILITY_MODE())
{
result = (*oldCreateDXGIFactory1)(riid, ppFactory);
}
else
{
WinCreateDXGIFactory1 createFunction = (WinCreateDXGIFactory1)GetProcAddress(rtFilterModule, "CreateDXGIFactory1");
result = (*createFunction)(riid, ppFactory);
}
setFunction( (PROC)oldCreateDXGIFactory1, (PROC)OVRCreateDXGIFactory1, oldCreateDXGIFactory1Data );
printf("%s result 0x%x\n", __FUNCTION__, result);
return result;
}
static HMODULE createShim( LPCSTR lpLibFileName, OVRTargetAPI targetAPI )
{
//Sleep(10000);
if( IN_COMPATIBILITY_MODE() )
{
return (*oldProcA)( lpLibFileName );
}
UNREFERENCED_PARAMETER( targetAPI );
HMODULE result = NULL;
result = (*oldProcA)( UMFilter );
if( result )
{
PreloadLibraryFn loadFunc = (PreloadLibraryFn)GetProcAddress( result, "PreloadLibrary" );
if( loadFunc )
{
HRESULT localRes = (*loadFunc)( oldProcA, lpLibFileName, &appDriver );
if( localRes != S_OK )
result = NULL;
}
}
if( !result )
{
OutputDebugString( L"createShim: unable to load usermode filter\n" );
result = (*oldProcA)( lpLibFileName );
}
return result;
}
static HMODULE createShim( LPCSTR lpLibFileName, OVRTargetAPI targetAPI )
{
//Sleep(10000);
if( IN_COMPATIBILITY_MODE() )
{
return (*oldProcA)( lpLibFileName );
}
UNREFERENCED_PARAMETER( targetAPI );
HMODULE result = NULL;
result = (*oldProcA)( UMFilter );
if( result )
{
PreloadLibraryFn loadFunc = (PreloadLibraryFn)GetProcAddress( result, "PreloadLibrary" );
if( loadFunc )
{
HRESULT localRes = (*loadFunc)( oldProcA, lpLibFileName, &appDriver );
if( localRes != S_OK )
result = NULL;
}
}
if( !result )
{
MessageBox(nullptr, L"Unable to find the Rift Display Driver.", L"Configuration Error", MB_OK | MB_ICONERROR);
result = (*oldProcA)( lpLibFileName );
}
return result;
}
HRESULT APIENTRY OVRDirect3DCreate9Ex(UINT SDKVersion, void** aDevice)
{
apiVersion = 9;
HRESULT result = S_OK;
restoreFunction( (PROC)oldDirectX9ExCreate, oldDirectX9ExCreateData );
if (IN_COMPATIBILITY_MODE())
{
result = (*oldDirectX9ExCreate)(SDKVersion, aDevice);
}
else
{
WinDirect3DCreate9Ex createFunction = (WinDirect3DCreate9Ex)GetProcAddress(rtFilterModule, "Direct3DCreate9Ex");
result = (*createFunction)(SDKVersion, aDevice);
}
setFunction( (PROC)oldDirectX9ExCreate, (PROC)OVRDirect3DCreate9Ex, oldDirectX9ExCreateData );
printf("%s result 0x%x\n", __FUNCTION__, result);
return result;
}