void checkUMDriverOverrides(void* context)
{
lastContext = context;
if( oldProcA == NULL )
{
PreloadLibraryRTFn loadFunc = NULL;
for( int i = 0; i < ShimCountMax; ++i )
{
HINSTANCE hInst = NULL;
try
{
hInst = LoadLibraryA(dllList[i]);
}
catch(...)
{
}
oldLoaderInstances[i] = hInst;
if( hInst )
{
ShimedLibraries libCount = (ShimedLibraries)i;
switch( libCount )
{
case ShimLibDXGI:
oldCreateDXGIFactory = (WinCreateDXGIFactory)SetProcAddressDirect( hInst, "CreateDXGIFactory", (PROC)OVRCreateDXGIFactory, oldCreateDXGIFactoryData );
oldCreateDXGIFactory1 = (WinCreateDXGIFactory1)SetProcAddressDirect( hInst, "CreateDXGIFactory1", (PROC)OVRCreateDXGIFactory1, oldCreateDXGIFactory1Data );
oldCreateDXGIFactory2 = (WinCreateDXGIFactory2)SetProcAddressDirect( hInst, "CreateDXGIFactory2", (PROC)OVRCreateDXGIFactory2, oldCreateDXGIFactory2Data );
break;
case ShimLibD3D9:
oldDirectX9Create = (WinDirect3DCreate9)SetProcAddressDirect( hInst, "Direct3DCreate9", (PROC)OVRDirect3DCreate9, oldDirectX9CreateData );
oldDirectX9ExCreate = (WinDirect3DCreate9Ex)SetProcAddressDirect( hInst, "Direct3DCreate9Ex", (PROC)OVRDirect3DCreate9Ex, oldDirectX9ExCreateData );
break;
default:
break;
}
for (int j = 0; j < NUM_LOADER_LIBS; ++j)
{
const char* loaderLibrary = loaderLibraryList[j];
PROC temp = NULL;
temp = SetProcAddressA(hInst, loaderLibrary, "LoadLibraryA", (PROC)OVRLoadLibraryA);
if (!oldProcA)
{
oldProcA = (WinLoadLibraryA)temp;
}
oldLoaderProcA[i][j] = temp;
temp = SetProcAddressA(hInst, loaderLibrary, "LoadLibraryW", (PROC)OVRLoadLibraryW);
if (!oldProcW)
{
oldProcW = (WinLoadLibraryW)temp;
}
oldLoaderProcW[i][j] = temp;
temp = SetProcAddressA(hInst, loaderLibrary, "LoadLibraryExA", (PROC)OVRLoadLibraryExA);
if (!oldProcExA)
{
oldProcExA = (WinLoadLibraryExA)temp;
}
oldLoaderProcExA[i][j] = temp;
temp = SetProcAddressA(hInst, loaderLibrary, "LoadLibraryExW", (PROC)OVRLoadLibraryExW);
if (!oldProcExW)
{
oldProcExW = (WinLoadLibraryExW)temp;
}
oldLoaderProcExW[i][j] = temp;
temp = SetProcAddressA(hInst, loaderLibrary, "GetModuleHandleExA", (PROC)OVRGetModuleHandleExA);
if (!oldProcModExA)
{
oldProcModExA = (WinGetModuleHandleExA)temp;
}
oldLoaderProcModExA[i][j] = temp;
temp = SetProcAddressA(hInst, loaderLibrary, "GetModuleHandleExW", (PROC)OVRGetModuleHandleExW);
if (!oldProcModExW)
{
oldProcModExW = (WinGetModuleHandleExW)temp;
}
oldLoaderProcModExW[i][j] = temp;
}
if (loadFunc == NULL)
{
loadFunc = (PreloadLibraryRTFn)GetProcAddress(hInst, "PreloadLibraryRT");
}
}
}
rtFilterModule = (*oldProcA)( RTFilter );
IsCreatingBackBuffer backBufferFunc = NULL;
ShouldVSync shouldVSyncFunc = NULL;
if (rtFilterModule != NULL)
{
loadFunc = (PreloadLibraryRTFn)GetProcAddress(rtFilterModule, "PreloadLibraryRT");
backBufferFunc = (IsCreatingBackBuffer)GetProcAddress(rtFilterModule, "OVRIsCreatingBackBuffer");
shouldVSyncFunc = (ShouldVSync)GetProcAddress(rtFilterModule, "OVRShouldVSync");
}
if (loadFunc != NULL)
{
appDriver.version = 1;
appDriver.context = lastContext;
// appDriver.pfnInitializingDisplay = OVRIsInitializingDisplay;
appDriver.pfnInitializingDisplay = OVRLocalIsInitializingDisplay;
appDriver.pfnRiftForContext = OVRRiftForContext;
appDriver.pfnCloseRiftForContext = OVRCloseRiftForContext;
appDriver.pfnWindowDisplayResolution = OVRWindowDisplayResolution;
appDriver.pfnShouldEnableDebug = OVRShouldEnableDebug;
appDriver.pfnIsCreatingBackBuffer = (backBufferFunc == NULL) ? OVRIsCreatingBackBuffer : backBufferFunc;
appDriver.pfnShouldVSync = (shouldVSyncFunc == NULL) ? OVRShouldVSync : shouldVSyncFunc;
appDriver.pfnExpectedResolution = OVRExpectedResolution;
appDriver.pfnMirroringEnabled = OVRMirroringEnabled;
appDriver.pfnGetWindowForContext = OVRGetWindowForContext;
appDriver.pfnPresentRiftOnContext = OVRShouldPresentOnContext;
appDriver.pfnDirect3DCreate9 = oldDirectX9Create;
appDriver.pfnDirect3DCreate9Ex = oldDirectX9ExCreate;
appDriver.pfnCreateDXGIFactory = oldCreateDXGIFactory;
appDriver.pfnCreateDXGIFactory1 = oldCreateDXGIFactory1;
appDriver.pfnCreateDXGIFactory2 = oldCreateDXGIFactory2;
(*loadFunc)( &appDriver );
}
}
}
bool checkUMDriverOverrides(void* context)
{
lastContext = context;
if (oldProcA != NULL)
return true;
PreloadLibraryRTFn loadFunc = NULL;
for( int i = 0; i < ShimCountMax; ++i )
{
HINSTANCE hInst = NULL;
try
{
hInst = LoadLibraryA(dllList[i]);
}
catch(...)
{
}
oldLoaderInstances[i] = hInst;
if (hInst == NULL)
continue;
ShimedLibraries libCount = (ShimedLibraries)i;
switch( libCount )
{
case ShimLibDXGI:
oldCreateDXGIFactory = (WinCreateDXGIFactory)SetProcAddressDirect( hInst, "CreateDXGIFactory", (PROC)OVRCreateDXGIFactory, oldCreateDXGIFactoryData );
oldCreateDXGIFactory1 = (WinCreateDXGIFactory1)SetProcAddressDirect( hInst, "CreateDXGIFactory1", (PROC)OVRCreateDXGIFactory1, oldCreateDXGIFactory1Data );
oldCreateDXGIFactory2 = (WinCreateDXGIFactory2)SetProcAddressDirect( hInst, "CreateDXGIFactory2", (PROC)OVRCreateDXGIFactory2, oldCreateDXGIFactory2Data );
break;
case ShimLibD3D9:
oldDirectX9Create = (WinDirect3DCreate9)SetProcAddressDirect( hInst, "Direct3DCreate9", (PROC)OVRDirect3DCreate9, oldDirectX9CreateData );
oldDirectX9ExCreate = (WinDirect3DCreate9Ex)SetProcAddressDirect( hInst, "Direct3DCreate9Ex", (PROC)OVRDirect3DCreate9Ex, oldDirectX9ExCreateData );
break;
default:
break;
}
for (int j = 0; j < NUM_LOADER_LIBS; ++j)
{
const char* loaderLibrary = loaderLibraryList[j];
PROC temp = NULL;
temp = SetProcAddressA(hInst, loaderLibrary, "LoadLibraryA", (PROC)OVRLoadLibraryA);
if (!oldProcA)
{
oldProcA = (WinLoadLibraryA)temp;
}
oldLoaderProcA[i][j] = temp;
temp = SetProcAddressA(hInst, loaderLibrary, "LoadLibraryW", (PROC)OVRLoadLibraryW);
if (!oldProcW)
{
oldProcW = (WinLoadLibraryW)temp;
}
oldLoaderProcW[i][j] = temp;
temp = SetProcAddressA(hInst, loaderLibrary, "LoadLibraryExA", (PROC)OVRLoadLibraryExA);
if (!oldProcExA)
{
oldProcExA = (WinLoadLibraryExA)temp;
}
oldLoaderProcExA[i][j] = temp;
temp = SetProcAddressA(hInst, loaderLibrary, "LoadLibraryExW", (PROC)OVRLoadLibraryExW);
if (!oldProcExW)
{
oldProcExW = (WinLoadLibraryExW)temp;
}
oldLoaderProcExW[i][j] = temp;
temp = SetProcAddressA(hInst, loaderLibrary, "GetModuleHandleExA", (PROC)OVRGetModuleHandleExA);
if (!oldProcModExA)
{
oldProcModExA = (WinGetModuleHandleExA)temp;
}
oldLoaderProcModExA[i][j] = temp;
temp = SetProcAddressA(hInst, loaderLibrary, "GetModuleHandleExW", (PROC)OVRGetModuleHandleExW);
if (!oldProcModExW)
{
oldProcModExW = (WinGetModuleHandleExW)temp;
}
oldLoaderProcModExW[i][j] = temp;
}
if (loadFunc == NULL)
{
loadFunc = (PreloadLibraryRTFn)GetProcAddress(hInst, "PreloadLibraryRT");
}
}
rtFilterModule = oldProcA ? (*oldProcA)(RTFilter) : NULL;
IsCreatingBackBuffer backBufferFunc = NULL;
ShouldVSync shouldVSyncFunc = NULL;
GetRTFilterVersion getRTFilterVersionFunc = NULL;
if (rtFilterModule != NULL)
{
loadFunc = (PreloadLibraryRTFn)GetProcAddress(rtFilterModule, "PreloadLibraryRT");
backBufferFunc = (IsCreatingBackBuffer)GetProcAddress(rtFilterModule, "OVRIsCreatingBackBuffer");
shouldVSyncFunc = (ShouldVSync)GetProcAddress(rtFilterModule, "OVRShouldVSync");
getRTFilterVersionFunc = (GetRTFilterVersion)GetProcAddress(rtFilterModule, "OVRGetRTFilterVersion");
}
if (loadFunc == NULL)
{
MessageBox(nullptr, L"Unable to load the Oculus Display Driver. Please reinstall the Oculus Runtime.", L"Configuration Error", MB_OK | MB_ICONERROR);
return false;
}
if (getRTFilterVersionFunc == NULL)
{
WCHAR message[1000] = {};
swprintf_s(message, L"This app requires the %d.%d.%d version of the Oculus Runtime.", OVR_MAJOR_VERSION, OVR_MINOR_VERSION, OVR_BUILD_VERSION);
MessageBox(nullptr, message, L"Configuration Error", MB_OK | MB_ICONERROR);
return false;
}
// Verify that we are running with the appropriate display driver
{
const ULONG rtFilterVersion = (*getRTFilterVersionFunc)();
const ULONG rtFilterMajor = OVR_GET_VERSION_MAJOR(rtFilterVersion);
const ULONG rtFilterMinor = OVR_GET_VERSION_MINOR(rtFilterVersion);
if ((rtFilterMajor != OVR_RTFILTER_VERSION_MAJOR) || (rtFilterMinor < OVR_RTFILTER_VERSION_MINOR))
{
WCHAR message[1000] = {};
swprintf_s(message, L"This app requires the %d.%d.%d version of the Oculus Runtime.", OVR_MAJOR_VERSION, OVR_MINOR_VERSION, OVR_BUILD_VERSION);
MessageBox(nullptr, message, L"Configuration Error", MB_OK | MB_ICONERROR);
return false;
}
}
appDriver.version = OVR_RENDER_SHIM_VERSION_MAJOR;
appDriver.context = lastContext;
// appDriver.pfnInitializingDisplay = OVRIsInitializingDisplay;
appDriver.pfnInitializingDisplay = OVRLocalIsInitializingDisplay;
appDriver.pfnRiftForContext = OVRRiftForContext;
appDriver.pfnCloseRiftForContext = OVRCloseRiftForContext;
appDriver.pfnWindowDisplayResolution = OVRWindowDisplayResolution;
appDriver.pfnShouldEnableDebug = OVRShouldEnableDebug;
appDriver.pfnIsCreatingBackBuffer = (backBufferFunc == NULL) ? OVRIsCreatingBackBuffer : backBufferFunc;
appDriver.pfnShouldVSync = (shouldVSyncFunc == NULL) ? OVRShouldVSync : shouldVSyncFunc;
appDriver.pfnExpectedResolution = OVRExpectedResolution;
appDriver.pfnMirroringEnabled = OVRMirroringEnabled;
appDriver.pfnGetWindowForContext = OVRGetWindowForContext;
appDriver.pfnPresentRiftOnContext = OVRShouldPresentOnContext;
appDriver.pfnDirect3DCreate9 = oldDirectX9Create;
appDriver.pfnDirect3DCreate9Ex = oldDirectX9ExCreate;
appDriver.pfnCreateDXGIFactory = oldCreateDXGIFactory;
appDriver.pfnCreateDXGIFactory1 = oldCreateDXGIFactory1;
appDriver.pfnCreateDXGIFactory2 = oldCreateDXGIFactory2;
(*loadFunc)( &appDriver );
return true;
}
