Ejemplo n.º 1
0
        public static unsafe Luid GetDefaultDeviceLuid()
        {
            DXGI_ADAPTER_DESC1 dxgiDescription1;

            _ = TryGetDefaultDevice(null, null, &dxgiDescription1) || TryGetWarpDevice(null, null, &dxgiDescription1);

            return(Luid.FromLUID(dxgiDescription1.AdapterLuid));
        }
Ejemplo n.º 2
0
 /// <summary>
 /// Creates a new <see cref="GraphicsDeviceInfo"/> instance with the specified parameters.
 /// </summary>
 /// <param name="dxgiDescription1">The available info for the associated device.</param>
 internal unsafe GraphicsDeviceInfo(DXGI_ADAPTER_DESC1 *dxgiDescription1)
 {
     Luid = Luid.FromLUID(dxgiDescription1->AdapterLuid);
     Name = new string((char *)dxgiDescription1->Description);
     DedicatedMemorySize   = dxgiDescription1->DedicatedVideoMemory;
     SharedMemorySize      = dxgiDescription1->SharedSystemMemory;
     IsHardwareAccelerated = (dxgiDescription1->Flags & (uint)DXGI_ADAPTER_FLAG_SOFTWARE) == 0;
 }
Ejemplo n.º 3
0
    /// <summary>
    /// Creates a new <see cref="GraphicsDevice"/> instance for the input <see cref="ID3D12Device"/>.
    /// </summary>
    /// <param name="d3D12Device">The <see cref="ID3D12Device"/> to use for the new <see cref="GraphicsDevice"/> instance.</param>
    /// <param name="dxgiAdapter">The <see cref="IDXGIAdapter"/> that <paramref name="d3D12Device"/> was created from.</param>
    /// <param name="dxgiDescription1">The available info for the new <see cref="GraphicsDevice"/> instance.</param>
    internal GraphicsDevice(ID3D12Device *d3D12Device, IDXGIAdapter *dxgiAdapter, DXGI_ADAPTER_DESC1 *dxgiDescription1)
    {
        this.d3D12Device = new ComPtr <ID3D12Device>(d3D12Device);

        this.d3D12ComputeCommandQueue = d3D12Device->CreateCommandQueue(D3D12_COMMAND_LIST_TYPE_COMPUTE);
        this.d3D12CopyCommandQueue    = d3D12Device->CreateCommandQueue(D3D12_COMMAND_LIST_TYPE_COPY);
        this.d3D12ComputeFence        = d3D12Device->CreateFence();
        this.d3D12CopyFence           = d3D12Device->CreateFence();

        this.shaderResourceViewDescriptorAllocator = new ID3D12DescriptorHandleAllocator(d3D12Device);
        this.computeCommandListPool = new ID3D12CommandListPool(D3D12_COMMAND_LIST_TYPE_COMPUTE);
        this.copyCommandListPool    = new ID3D12CommandListPool(D3D12_COMMAND_LIST_TYPE_COPY);

        Luid = Luid.FromLUID(dxgiDescription1->AdapterLuid);
        Name = new string((char *)dxgiDescription1->Description);
        DedicatedMemorySize   = dxgiDescription1->DedicatedVideoMemory;
        SharedMemorySize      = dxgiDescription1->SharedSystemMemory;
        IsHardwareAccelerated = (dxgiDescription1->Flags & (uint)DXGI_ADAPTER_FLAG_SOFTWARE) == 0;

        var d3D12Options1Data = d3D12Device->CheckFeatureSupport <D3D12_FEATURE_DATA_D3D12_OPTIONS1>(D3D12_FEATURE_D3D12_OPTIONS1);

        ComputeUnits  = d3D12Options1Data.TotalLaneCount;
        WavefrontSize = d3D12Options1Data.WaveLaneCountMin;

        var d3D12Architecture1Data = d3D12Device->CheckFeatureSupport <D3D12_FEATURE_DATA_ARCHITECTURE1>(D3D12_FEATURE_ARCHITECTURE1);

        IsCacheCoherentUMA = d3D12Architecture1Data.CacheCoherentUMA != 0;

#if NET6_0_OR_GREATER
        this.allocator = d3D12Device->CreateAllocator(dxgiAdapter);

        if (IsCacheCoherentUMA)
        {
            this.pool = this.allocator.Get()->CreatePoolForCacheCoherentUMA();
        }
#endif
    }