Refactor rendering projects
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187
src/Runtime/Ghost.Graphics.D3D12/D3D12RenderDevice.cs
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187
src/Runtime/Ghost.Graphics.D3D12/D3D12RenderDevice.cs
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using Ghost.Graphics.D3D12.Utilities;
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using Ghost.Graphics.RHI;
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using Misaki.HighPerformance.LowLevel;
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using TerraFX.Interop.DirectX;
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using TerraFX.Interop.Windows;
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using static TerraFX.Aliases.D3D_Alias;
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using static TerraFX.Aliases.D3D12_Alias;
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using static TerraFX.Aliases.DXGI_Alias;
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namespace Ghost.Graphics.D3D12;
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/// <summary>
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/// D3D12 implementation of the render device interface
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/// </summary>
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internal unsafe class D3D12RenderDevice : IRenderDevice
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{
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private UniquePtr<ID3D12Device14> _device;
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private UniquePtr<IDXGIFactory7> _dxgiFactory;
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private UniquePtr<IDXGIAdapter1> _adapter;
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private readonly D3D12CommandQueue _graphicsQueue;
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private readonly D3D12CommandQueue _computeQueue;
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private readonly D3D12CommandQueue _copyQueue;
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private bool _disposed;
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public ICommandQueue GraphicsQueue => _graphicsQueue;
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public ICommandQueue ComputeQueue => _computeQueue;
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public ICommandQueue CopyQueue => _copyQueue;
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public FeatureSupport FeatureSupport
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{
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get;
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}
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public SharedPtr<IDXGIFactory7> DXGIFactory => _dxgiFactory.Share();
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public SharedPtr<ID3D12Device14> NativeDevice => _device.Share();
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public SharedPtr<IDXGIAdapter1> Adapter => _adapter.Share();
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public SharedPtr<ID3D12CommandQueue> NativeGraphicsQueue => _graphicsQueue.NativeQueue;
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public SharedPtr<ID3D12CommandQueue> NativeComputeQueue => _computeQueue.NativeQueue;
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public SharedPtr<ID3D12CommandQueue> NativeCopyQueue => _copyQueue.NativeQueue;
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public D3D12RenderDevice()
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{
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IDXGIFactory7* pFactory = default;
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#if DEBUG
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ThrowIfFailed(CreateDXGIFactory2(TRUE, __uuidof(pFactory), (void**)&pFactory));
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#else
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ThrowIfFailed(CreateDXGIFactory2(FALSE, __uuidof(pFactory), (void**)&pFactory));
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#endif
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_dxgiFactory.Attach(pFactory);
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InitializeDevice();
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_graphicsQueue = new D3D12CommandQueue(_device.Get(), CommandQueueType.Graphics);
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_computeQueue = new D3D12CommandQueue(_device.Get(), CommandQueueType.Compute);
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_copyQueue = new D3D12CommandQueue(_device.Get(), CommandQueueType.Copy);
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FeatureSupport = GetFeatureSupport();
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}
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~D3D12RenderDevice()
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{
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Dispose();
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}
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private void InitializeDevice()
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{
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ID3D12Device14* pDevice = default;
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IDXGIAdapter1* pAdapter = default;
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for (uint adapterIndex = 0;
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_dxgiFactory.Get()->EnumAdapterByGpuPreference(adapterIndex, DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE, __uuidof(pAdapter), (void**)&pAdapter).SUCCEEDED;
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adapterIndex++)
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{
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DXGI_ADAPTER_DESC1 desc = default;
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pAdapter->GetDesc1(&desc);
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// Don't select the Basic Render Driver adapter.
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if ((desc.Flags & (uint)DXGI_ADAPTER_FLAG_SOFTWARE) != 0)
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{
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goto NEXT_ITERATION;
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}
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if (D3D12CreateDevice((IUnknown*)pAdapter, D3D_FEATURE_LEVEL_12_0, __uuidof(pDevice), (void**)&pDevice).SUCCEEDED)
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{
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_adapter.Attach(pAdapter);
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break;
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}
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NEXT_ITERATION:
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pAdapter->Release();
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}
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if (pDevice == null)
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{
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pAdapter->Release(); // Dispose the last adapter we tried.
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throw new PlatformNotSupportedException("Cannot create ID3D12Device with feature level 12.0");
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}
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_device.Attach(pDevice);
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}
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private FeatureSupport GetFeatureSupport()
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{
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ObjectDisposedException.ThrowIf(_disposed, this);
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var support = FeatureSupport.None;
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D3D12_FEATURE_DATA_D3D12_OPTIONS options = default;
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if (_device.Get()->CheckFeatureSupport(D3D12_FEATURE_D3D12_OPTIONS, &options, (uint)sizeof(D3D12_FEATURE_DATA_D3D12_OPTIONS)).SUCCEEDED)
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{
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if (options.ResourceBindingTier == D3D12_RESOURCE_BINDING_TIER_3)
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{
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support |= FeatureSupport.BindlessResources;
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}
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if (options.ResourceHeapTier == D3D12_RESOURCE_HEAP_TIER.D3D12_RESOURCE_HEAP_TIER_2)
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{
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support |= FeatureSupport.AliasBuffersAndTextures;
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}
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}
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D3D12_FEATURE_DATA_D3D12_OPTIONS5 options5 = default;
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if (_device.Get()->CheckFeatureSupport(D3D12_FEATURE_D3D12_OPTIONS5, &options5, (uint)sizeof(D3D12_FEATURE_DATA_D3D12_OPTIONS5)).SUCCEEDED)
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{
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if (options5.RaytracingTier != D3D12_RAYTRACING_TIER_NOT_SUPPORTED)
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{
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support |= FeatureSupport.RayTracing;
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}
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}
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D3D12_FEATURE_DATA_D3D12_OPTIONS6 options6 = default;
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if (_device.Get()->CheckFeatureSupport(D3D12_FEATURE_D3D12_OPTIONS6, &options6, (uint)sizeof(D3D12_FEATURE_DATA_D3D12_OPTIONS6)).SUCCEEDED)
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{
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if (options6.VariableShadingRateTier != D3D12_VARIABLE_SHADING_RATE_TIER_NOT_SUPPORTED)
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{
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support |= FeatureSupport.VariableRateShading;
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}
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}
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D3D12_FEATURE_DATA_D3D12_OPTIONS7 options7 = default;
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if (_device.Get()->CheckFeatureSupport(D3D12_FEATURE_D3D12_OPTIONS7, &options7, (uint)sizeof(D3D12_FEATURE_DATA_D3D12_OPTIONS7)).SUCCEEDED)
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{
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if (options7.MeshShaderTier != D3D12_MESH_SHADER_TIER_NOT_SUPPORTED)
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{
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support |= FeatureSupport.MeshShaders;
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}
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if (options7.SamplerFeedbackTier != D3D12_SAMPLER_FEEDBACK_TIER_NOT_SUPPORTED)
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{
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support |= FeatureSupport.SamplerFeedback;
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}
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}
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D3D12_FEATURE_DATA_D3D12_OPTIONS21 options9 = default;
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if (_device.Get()->CheckFeatureSupport(D3D12_FEATURE_D3D12_OPTIONS21, &options9, (uint)sizeof(D3D12_FEATURE_DATA_D3D12_OPTIONS8)).SUCCEEDED)
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{
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if (options9.WorkGraphsTier != D3D12_WORK_GRAPHS_TIER.D3D12_WORK_GRAPHS_TIER_NOT_SUPPORTED)
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{
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support |= FeatureSupport.WorkGraphs;
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}
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}
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return support;
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}
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public void Dispose()
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{
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if (_disposed)
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{
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return;
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}
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_graphicsQueue.Dispose();
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_computeQueue.Dispose();
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_copyQueue.Dispose();
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_device.Dispose();
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_dxgiFactory.Dispose();
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_adapter.Dispose();
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_disposed = true;
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GC.SuppressFinalize(this);
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}
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}
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