| 537 | } |
| 538 | |
| 539 | bool OpenVRProvider::enable() |
| 540 | { |
| 541 | mOpenVRNS = Namespace::find(StringTable->insert("OpenVR")); |
| 542 | |
| 543 | disable(); |
| 544 | |
| 545 | // Load openvr runtime |
| 546 | vr::EVRInitError eError = vr::VRInitError_None; |
| 547 | mHMD = vr::VR_Init(&eError, vr::VRApplication_Scene); |
| 548 | |
| 549 | dMemset(mDeviceClassChar, '\0', sizeof(mDeviceClassChar)); |
| 550 | |
| 551 | if (eError != vr::VRInitError_None) |
| 552 | { |
| 553 | mHMD = NULL; |
| 554 | char buf[1024]; |
| 555 | sprintf_s(buf, sizeof(buf), "Unable to init VR runtime: %s", vr::VR_GetVRInitErrorAsEnglishDescription(eError)); |
| 556 | Con::printf(buf); |
| 557 | return false; |
| 558 | } |
| 559 | |
| 560 | dMemset(&mLUID, '\0', sizeof(mLUID)); |
| 561 | |
| 562 | #ifdef TORQUE_OS_WIN32 |
| 563 | |
| 564 | // For windows we need to lookup the DXGI record for this and grab the LUID for the display adapter. We need the LUID since |
| 565 | // T3D uses EnumAdapters1 not EnumAdapters whereas openvr uses EnumAdapters. |
| 566 | int32_t AdapterIdx; |
| 567 | IDXGIAdapter* EnumAdapter; |
| 568 | IDXGIFactory1* DXGIFactory; |
| 569 | mHMD->GetDXGIOutputInfo(&AdapterIdx); |
| 570 | // Get the LUID of the device |
| 571 | |
| 572 | HRESULT hr = CreateDXGIFactory1(__uuidof(IDXGIFactory1), reinterpret_cast<void**>(&DXGIFactory)); |
| 573 | |
| 574 | if (FAILED(hr)) |
| 575 | AssertFatal(false, "OpenVRProvider::enable -> CreateDXGIFactory1 call failure"); |
| 576 | |
| 577 | hr = DXGIFactory->EnumAdapters(AdapterIdx, &EnumAdapter); |
| 578 | |
| 579 | if (FAILED(hr)) |
| 580 | { |
| 581 | Con::warnf("VR: HMD device has an invalid adapter."); |
| 582 | } |
| 583 | else |
| 584 | { |
| 585 | DXGI_ADAPTER_DESC desc; |
| 586 | hr = EnumAdapter->GetDesc(&desc); |
| 587 | if (FAILED(hr)) |
| 588 | { |
| 589 | Con::warnf("VR: HMD device has an invalid adapter."); |
| 590 | } |
| 591 | else |
| 592 | { |
| 593 | dMemcpy(&mLUID, &desc.AdapterLuid, sizeof(mLUID)); |
| 594 | } |
| 595 | SAFE_RELEASE(EnumAdapter); |
| 596 | } |