| 35 | } |
| 36 | |
| 37 | HRESULT STDMETHODCALLTYPE D3D12CommandQueueDownlevel::QueryInterface(REFIID riid, void **ppvObj) |
| 38 | { |
| 39 | if (ppvObj == nullptr) |
| 40 | return E_POINTER; |
| 41 | |
| 42 | // IUnknown is handled by D3D12CommandQueue |
| 43 | if (riid == __uuidof(this) || |
| 44 | riid == __uuidof(ID3D12CommandQueueDownlevel)) |
| 45 | { |
| 46 | AddRef(); |
| 47 | *ppvObj = this; |
| 48 | return S_OK; |
| 49 | } |
| 50 | |
| 51 | return _parent_queue->QueryInterface(riid, ppvObj); |
| 52 | } |
| 53 | ULONG STDMETHODCALLTYPE D3D12CommandQueueDownlevel::AddRef() |
| 54 | { |
| 55 | return _parent_queue->AddRef(); |