| 42 | }; |
| 43 | |
| 44 | void Profiler::Initialize() |
| 45 | { |
| 46 | Shutdown(); |
| 47 | |
| 48 | enableGPUProfiling = SUCCEEDED(DX12::Device->SetStablePowerState(TRUE)); |
| 49 | |
| 50 | if(enableGPUProfiling) |
| 51 | { |
| 52 | D3D12_QUERY_HEAP_DESC heapDesc = { }; |
| 53 | heapDesc.Count = MaxProfiles * 2; |
| 54 | heapDesc.NodeMask = 0; |
| 55 | heapDesc.Type = D3D12_QUERY_HEAP_TYPE_TIMESTAMP; |
| 56 | DX12::Device->CreateQueryHeap(&heapDesc, IID_PPV_ARGS(&queryHeap)); |
| 57 | |
| 58 | readbackBuffer.Initialize(MaxProfiles * DX12::RenderLatency * 2 * sizeof(uint64)); |
| 59 | } |
| 60 | |
| 61 | profiles.Init(MaxProfiles); |
| 62 | cpuProfiles.Init(MaxProfiles); |
| 63 | } |
| 64 | |
| 65 | void Profiler::Shutdown() |
| 66 | { |