/// <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;
}
/// <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
}
public int GetDesc1([NativeTypeName("DXGI_ADAPTER_DESC1 *")] DXGI_ADAPTER_DESC1 *pDesc)
{
return(((delegate * stdcall <IDXGIAdapter2 *, DXGI_ADAPTER_DESC1 *, int>)(lpVtbl[10]))((IDXGIAdapter2 *)Unsafe.AsPointer(ref this), pDesc));
}
public HRESULT GetDesc1(DXGI_ADAPTER_DESC1 *pDesc)
{
return(((delegate * unmanaged[Stdcall] < IDXGIAdapter1 *, DXGI_ADAPTER_DESC1 *, int >)(lpVtbl[10]))((IDXGIAdapter1 *)Unsafe.AsPointer(ref this), pDesc));
}
/// <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.computeCommandAllocatorPool = new ID3D12CommandAllocatorPool(D3D12_COMMAND_LIST_TYPE_COMPUTE);
this.copyCommandAllocatorPool = new ID3D12CommandAllocatorPool(D3D12_COMMAND_LIST_TYPE_COPY);
this.shaderResourceViewDescriptorAllocator = new ID3D12DescriptorHandleAllocator(d3D12Device);
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;
D3D12MA_ALLOCATOR_DESC allocatorDesc = default;
allocatorDesc.pDevice = d3D12Device;
allocatorDesc.pAdapter = dxgiAdapter;
if (!IsCacheCoherentUMA)
{
fixed(D3D12MA_Allocator **allocator = this.allocator)
{
D3D12MemAlloc.D3D12MA_CreateAllocator(&allocatorDesc, allocator).Assert();
}
}
}
/// <summary>
/// Tries to check or create a default <see cref="ID3D12Device"/> object.
/// </summary>
/// <param name="d3D12Device">A pointer to the <see cref="ID3D12Device"/> object to create, or <see langword="null"/>.</param>
/// <param name="dxgiAdapter">A pointer to the <see cref="IDXGIAdapter"/> object used to create <paramref name="d3D12Device"/>, or <see langword="null"/>.</param>
/// <param name="dxgiDescription1">A pointer to the <see cref="DXGI_ADAPTER_DESC1"/> value for the device found.</param>
/// <returns>Whether a default device was found with the requested feature level.</returns>
private static unsafe bool TryGetDefaultDevice(ID3D12Device **d3D12Device, IDXGIAdapter **dxgiAdapter, DXGI_ADAPTER_DESC1 *dxgiDescription1)
{
using ComPtr <IDXGIFactory4> dxgiFactory4 = default;
EnableDebugMode();
FX.CreateDXGIFactory2(IDXGIFactoryCreationFlags, FX.__uuidof <IDXGIFactory4>(), dxgiFactory4.GetVoidAddressOf()).Assert();
uint i = 0;
while (true)
{
using ComPtr <IDXGIAdapter1> dxgiAdapter1 = default;
HRESULT enumAdapters1Result = dxgiFactory4.Get()->EnumAdapters1(i++, dxgiAdapter1.GetAddressOf());
if (enumAdapters1Result == FX.DXGI_ERROR_NOT_FOUND)
{
return(false);
}
enumAdapters1Result.Assert();
dxgiAdapter1.Get()->GetDesc1(dxgiDescription1).Assert();
if (dxgiDescription1->VendorId == MicrosoftVendorId &&
dxgiDescription1->DeviceId == WarpDeviceId)
{
continue;
}
// Explicit paths for when a device is being retrieved or not, with special handling
// for the additional check that is required for the SM6 level. This can't be checked
// without creating a device first, so the path for when the target device pointer is
// null is useful to do an initial filtering using D3D12CreateDevice to avoid creating
// a device for adapters that would've failed at the FL11 check already.
if (d3D12Device == null)
{
HRESULT createDeviceResult = FX.D3D12CreateDevice(
dxgiAdapter1.AsIUnknown().Get(),
D3D_FEATURE_LEVEL_11_0,
FX.__uuidof <ID3D12Device>(),
null);
if (FX.SUCCEEDED(createDeviceResult))
{
using ComPtr <ID3D12Device> d3D12DeviceCandidate = default;
createDeviceResult = FX.D3D12CreateDevice(
dxgiAdapter1.AsIUnknown().Get(),
D3D_FEATURE_LEVEL_11_0,
FX.__uuidof <ID3D12Device>(),
d3D12DeviceCandidate.GetVoidAddressOf());
if (FX.SUCCEEDED(createDeviceResult) &&
d3D12DeviceCandidate.Get()->IsShaderModelSupported(D3D_SHADER_MODEL_6_0))
{
return(true);
}
}
}
else
{
using ComPtr <ID3D12Device> d3D12DeviceCandidate = default;
HRESULT createDeviceResult = FX.D3D12CreateDevice(
dxgiAdapter1.AsIUnknown().Get(),
D3D_FEATURE_LEVEL_11_0,
FX.__uuidof <ID3D12Device>(),
d3D12DeviceCandidate.GetVoidAddressOf());
if (FX.SUCCEEDED(createDeviceResult) &&
d3D12DeviceCandidate.Get()->IsShaderModelSupported(D3D_SHADER_MODEL_6_0))
{
d3D12DeviceCandidate.CopyTo(d3D12Device);
dxgiAdapter1.CopyTo(dxgiAdapter);
return(true);
}
}
}
}
/// <summary>
/// Tries to check or create a warp <see cref="ID3D12Device"/> object.
/// </summary>
/// <param name="d3D12Device">A pointer to the <see cref="ID3D12Device"/> object to create, or <see langword="null"/>.</param>
/// <param name="dxgiAdapter">A pointer to the <see cref="IDXGIAdapter"/> object used to create <paramref name="d3D12Device"/>, or <see langword="null"/>.</param>
/// <param name="dxgiDescription1">A pointer to the <see cref="DXGI_ADAPTER_DESC1"/> value for the device found.</param>
/// <returns>Whether a warp device was created successfully.</returns>
private static unsafe bool TryGetWarpDevice(ID3D12Device **d3D12Device, IDXGIAdapter **dxgiAdapter, DXGI_ADAPTER_DESC1 *dxgiDescription1)
{
using ComPtr <IDXGIFactory4> dxgiFactory4 = default;
EnableDebugMode();
FX.CreateDXGIFactory2(IDXGIFactoryCreationFlags, FX.__uuidof <IDXGIFactory4>(), dxgiFactory4.GetVoidAddressOf()).Assert();
using ComPtr <IDXGIAdapter1> dxgiAdapter1 = default;
dxgiFactory4.Get()->EnumWarpAdapter(FX.__uuidof <IDXGIAdapter1>(), dxgiAdapter1.GetVoidAddressOf()).Assert();
dxgiAdapter1.Get()->GetDesc1(dxgiDescription1).Assert();
HRESULT createDeviceResult = FX.D3D12CreateDevice(
dxgiAdapter1.AsIUnknown().Get(),
D3D_FEATURE_LEVEL_11_0,
FX.__uuidof <ID3D12Device>(),
(void **)d3D12Device);
dxgiAdapter1.CopyTo(dxgiAdapter);
return(FX.SUCCEEDED(createDeviceResult));
}
public int GetDesc1(DXGI_ADAPTER_DESC1 *pDesc)
{
return(((delegate * unmanaged <IDXGIAdapter2 *, DXGI_ADAPTER_DESC1 *, int>)(lpVtbl[10]))((IDXGIAdapter2 *)Unsafe.AsPointer(ref this), pDesc));
}
