| 46 | } |
| 47 | |
| 48 | bool GPUTextureDX12::OnInit() |
| 49 | { |
| 50 | ID3D12Resource* resource; |
| 51 | |
| 52 | // Cache formats |
| 53 | const PixelFormat format = Format(); |
| 54 | const PixelFormat typelessFormat = PixelFormatExtensions::MakeTypeless(format); |
| 55 | const DXGI_FORMAT dxgiFormat = RenderToolsDX::ToDxgiFormat(typelessFormat); |
| 56 | _dxgiFormatDSV = RenderToolsDX::ToDxgiFormat(PixelFormatExtensions::FindDepthStencilFormat(format)); |
| 57 | _dxgiFormatSRV = RenderToolsDX::ToDxgiFormat(PixelFormatExtensions::FindShaderResourceFormat(format, _sRGB)); |
| 58 | _dxgiFormatRTV = _dxgiFormatSRV; |
| 59 | _dxgiFormatUAV = RenderToolsDX::ToDxgiFormat(PixelFormatExtensions::FindUnorderedAccessFormat(format)); |
| 60 | |
| 61 | // Cache properties |
| 62 | auto device = _device->GetDevice(); |
| 63 | bool useSRV = IsShaderResource(); |
| 64 | bool useDSV = IsDepthStencil(); |
| 65 | bool useRTV = IsRenderTarget(); |
| 66 | bool useUAV = IsUnorderedAccess(); |
| 67 | int32 depthOrArraySize = IsVolume() ? Depth() : ArraySize(); |
| 68 | |
| 69 | if (IsStaging()) |
| 70 | { |
| 71 | // Initialize as a buffer |
| 72 | const int32 totalSize = ComputeBufferTotalSize(D3D12_TEXTURE_DATA_PITCH_ALIGNMENT, D3D12_TEXTURE_DATA_PLACEMENT_ALIGNMENT); |
| 73 | D3D12_HEAP_PROPERTIES heapProperties; |
| 74 | heapProperties.Type = D3D12_HEAP_TYPE_READBACK; |
| 75 | heapProperties.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN; |
| 76 | heapProperties.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN; |
| 77 | heapProperties.CreationNodeMask = 1; |
| 78 | heapProperties.VisibleNodeMask = 1; |
| 79 | D3D12_RESOURCE_DESC resourceDesc; |
| 80 | resourceDesc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER; |
| 81 | resourceDesc.Alignment = 0; |
| 82 | resourceDesc.Width = totalSize; |
| 83 | resourceDesc.Height = 1; |
| 84 | resourceDesc.DepthOrArraySize = 1; |
| 85 | resourceDesc.MipLevels = 1; |
| 86 | resourceDesc.Format = DXGI_FORMAT_UNKNOWN; |
| 87 | resourceDesc.SampleDesc.Count = 1; |
| 88 | resourceDesc.SampleDesc.Quality = 0; |
| 89 | resourceDesc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR; |
| 90 | resourceDesc.Flags = D3D12_RESOURCE_FLAG_NONE; |
| 91 | auto result = device->CreateCommittedResource(&heapProperties, D3D12_HEAP_FLAG_NONE, &resourceDesc, D3D12_RESOURCE_STATE_COPY_DEST, nullptr, IID_PPV_ARGS(&resource)); |
| 92 | LOG_DIRECTX_RESULT_WITH_RETURN(result, true); |
| 93 | initResource(resource, D3D12_RESOURCE_STATE_COPY_DEST, 1); |
| 94 | DX_SET_DEBUG_NAME(_resource, GetName()); |
| 95 | _memoryUsage = totalSize; |
| 96 | return false; |
| 97 | } |
| 98 | |
| 99 | D3D12_RESOURCE_STATES initialState = D3D12_RESOURCE_STATE_COMMON; |
| 100 | |
| 101 | // Create texture description |
| 102 | D3D12_RESOURCE_DESC resourceDesc; |
| 103 | resourceDesc.MipLevels = _desc.MipLevels; |
| 104 | resourceDesc.Format = dxgiFormat; |
| 105 | resourceDesc.Width = _desc.Width; |
nothing calls this directly
no test coverage detected