/// This function is called by the Mumble client in Mumble's scope
/// mainly to extract the offsets of various functions in the IDXGISwapChain
/// and IDXGIObject interfaces that need to be hooked in target
/// applications. The data is stored in the dxgi shared memory structure.
extern "C" __declspec(dllexport) void __cdecl PrepareDXGI() {
if (! dxgi)
return;
ods("DXGI: Preparing static data for DXGI Injection");
dxgi->wcFileName[0] = 0;
dxgi->offsetPresent = 0;
dxgi->offsetResize = 0;
// Make sure this is Vista or greater as quite a number of <=WinXP users have fake DX10 libs installed
OSVERSIONINFOEXW ovi;
memset(&ovi, 0, sizeof(ovi));
ovi.dwOSVersionInfoSize = sizeof(ovi);
GetVersionExW(reinterpret_cast<OSVERSIONINFOW *>(&ovi));
if (ovi.dwMajorVersion < 6 || (ovi.dwMajorVersion == 6 && ovi.dwBuildNumber < 6001)) {
ods("DXGI: No DXGI pre-Vista - skipping prepare");
return;
}
HMODULE hDXGI = LoadLibrary("DXGI.DLL");
if (hDXGI != NULL) {
GetModuleFileNameW(hDXGI, dxgi->wcFileName, ARRAY_NUM_ELEMENTS(dxgi->wcFileName));
CreateDXGIFactory1Type pCreateDXGIFactory1 = reinterpret_cast<CreateDXGIFactory1Type>(GetProcAddress(hDXGI, "CreateDXGIFactory1"));
ods("DXGI: Got CreateDXGIFactory1 at %p", pCreateDXGIFactory1);
if (pCreateDXGIFactory1) {
IDXGIFactory1 * pFactory;
HRESULT hr = pCreateDXGIFactory1(__uuidof(IDXGIFactory1), (void**)(&pFactory));
if (FAILED(hr))
ods("DXGI: Call to pCreateDXGIFactory1 failed!");
if (pFactory) {
IDXGIAdapter1 *pAdapter = NULL;
pFactory->EnumAdapters1(0, &pAdapter);
/// Offsets have to be identified and initialized only once.
bool initializeDXGIData = !dxgi->offsetPresent && !dxgi->offsetResize;
PrepareDXGI10(pAdapter, initializeDXGIData);
initializeDXGIData = !dxgi->offsetPresent && !dxgi->offsetResize;
PrepareDXGI11(pAdapter, initializeDXGIData);
pFactory->Release();
} else {
FreeLibrary(hDXGI);
}
} else {
FreeLibrary(hDXGI);
}
} else {
FreeLibrary(hDXGI);
}
}
static void test_create_factory(void)
{
IDXGIFactory1 *factory;
IUnknown *iface;
HRESULT hr;
iface = (void *)0xdeadbeef;
hr = CreateDXGIFactory(&IID_IDXGIDevice, (void **)&iface);
ok(hr == E_NOINTERFACE, "Got unexpected hr %#x.\n", hr);
ok(!iface, "Got unexpected iface %p.\n", iface);
hr = CreateDXGIFactory(&IID_IUnknown, (void **)&iface);
ok(SUCCEEDED(hr), "Failed to create factory with IID_IUnknown, hr %#x.\n", hr);
IUnknown_Release(iface);
hr = CreateDXGIFactory(&IID_IDXGIObject, (void **)&iface);
ok(SUCCEEDED(hr), "Failed to create factory with IID_IDXGIObject, hr %#x.\n", hr);
IUnknown_Release(iface);
factory = (void *)0xdeadbeef;
hr = CreateDXGIFactory(&IID_IDXGIFactory, (void **)&iface);
ok(SUCCEEDED(hr), "Failed to create factory with IID_IDXGIFactory, hr %#x.\n", hr);
hr = IUnknown_QueryInterface(iface, &IID_IDXGIFactory1, (void **)&factory);
ok(hr == E_NOINTERFACE, "Got unexpected hr %#x.\n", hr);
ok(!factory, "Got unexpected factory %p.\n", factory);
IUnknown_Release(iface);
iface = (void *)0xdeadbeef;
hr = CreateDXGIFactory(&IID_IDXGIFactory1, (void **)&iface);
ok(hr == E_NOINTERFACE, "Got unexpected hr %#x.\n", hr);
ok(!iface, "Got unexpected iface %p.\n", iface);
if (!pCreateDXGIFactory1)
{
win_skip("CreateDXGIFactory1 not available, skipping tests.\n");
return;
}
iface = (void *)0xdeadbeef;
hr = pCreateDXGIFactory1(&IID_IDXGIDevice, (void **)&iface);
ok(hr == E_NOINTERFACE, "Got unexpected hr %#x.\n", hr);
ok(!iface, "Got unexpected iface %p.\n", iface);
hr = pCreateDXGIFactory1(&IID_IUnknown, (void **)&iface);
ok(SUCCEEDED(hr), "Failed to create factory with IID_IUnknown, hr %#x.\n", hr);
IUnknown_Release(iface);
hr = pCreateDXGIFactory1(&IID_IDXGIObject, (void **)&iface);
ok(SUCCEEDED(hr), "Failed to create factory with IID_IDXGIObject, hr %#x.\n", hr);
IUnknown_Release(iface);
hr = pCreateDXGIFactory1(&IID_IDXGIFactory, (void **)&iface);
ok(SUCCEEDED(hr), "Failed to create factory with IID_IDXGIFactory, hr %#x.\n", hr);
hr = IUnknown_QueryInterface(iface, &IID_IDXGIFactory1, (void **)&factory);
ok(SUCCEEDED(hr), "Failed to query IDXGIFactory1 interface, hr %#x.\n", hr);
IDXGIFactory1_Release(factory);
IUnknown_Release(iface);
hr = pCreateDXGIFactory1(&IID_IDXGIFactory1, (void **)&iface);
ok(SUCCEEDED(hr), "Failed to create factory with IID_IDXGIFactory1, hr %#x.\n", hr);
IUnknown_Release(iface);
}