/// <summary cref="CudaAPI.CreateContext(out IntPtr, CudaAcceleratorFlags, int)"/>
public override CudaError CreateContext(
out IntPtr context,
CudaAcceleratorFlags flags,
int device)
{
throw new NotSupportedException(RuntimeErrorMessages.CudaNotSupported);
}
/// <summary cref="CudaAPI.CreateContext(out IntPtr, CudaAcceleratorFlags, int)"/>
public override CudaError CreateContext(
out IntPtr context,
CudaAcceleratorFlags flags,
int device)
{
return(cuCtxCreate_v2(out context, flags, device));
}
/// <summary cref="CudaAPI.CreateContextD3D11(
/// out IntPtr, out int, CudaAcceleratorFlags, IntPtr)"/>
public override CudaError CreateContextD3D11(
out IntPtr context,
out int device,
CudaAcceleratorFlags flags,
IntPtr d3dDevice) =>
throw new NotSupportedException(
RuntimeErrorMessages.NotSupportedTargetAccelerator);
/// <summary>
/// Constructs a new Cuda accelerator.
/// </summary>
/// <param name="context">The ILGPU context.</param>
/// <param name="d3d11Device">A pointer to a valid D3D11 device.</param>
/// <param name="acceleratorFlags">The accelerator flags.</param>
public CudaAccelerator(
Context context,
IntPtr d3d11Device,
CudaAcceleratorFlags acceleratorFlags)
: this(context, d3d11Device, acceleratorFlags, DefaultFlags)
{
}
/// <summary cref="CudaAPI.CreateContextD3D11(
/// out IntPtr, out int, CudaAcceleratorFlags, IntPtr)"/>
public override CudaError CreateContextD3D11(
out IntPtr context,
out int device,
CudaAcceleratorFlags flags,
IntPtr d3dDevice) =>
cuD3D11CtxCreate_v2(
out context,
out device,
flags,
d3dDevice);
/// <summary>
/// Constructs a new Cuda accelerator.
/// </summary>
/// <param name="context">The ILGPU context.</param>
/// <param name="deviceId">The target device id.</param>
/// <param name="acceleratorFlags">The accelerator flags.</param>
public CudaAccelerator(
Context context,
int deviceId,
CudaAcceleratorFlags acceleratorFlags)
: base(context, AcceleratorType.Cuda)
{
CudaException.ThrowIfFailed(
CurrentAPI.CreateContext(out contextPtr, acceleratorFlags, deviceId));
DeviceId = deviceId;
SetupAccelerator();
}
/// <summary>
/// Constructs a new Cuda accelerator.
/// </summary>
/// <param name="context">The ILGPU context.</param>
/// <param name="d3d11Device">A pointer to a valid D3D11 device.</param>
/// <param name="acceleratorFlags">The accelerator flags.</param>
public CudaAccelerator(
Context context,
IntPtr d3d11Device,
CudaAcceleratorFlags acceleratorFlags)
: base(context, AcceleratorType.Cuda)
{
if (d3d11Device == IntPtr.Zero)
throw new ArgumentNullException(nameof(d3d11Device));
CudaException.ThrowIfFailed(
CurrentAPI.CreateContextD3D11(out contextPtr, out int deviceId, acceleratorFlags, d3d11Device));
DeviceId = deviceId;
SetupAccelerator();
}
/// <summary>
/// Constructs a new Cuda accelerator.
/// </summary>
/// <param name="context">The ILGPU context.</param>
/// <param name="deviceId">The target device id.</param>
/// <param name="acceleratorFlags">The accelerator flags.</param>
public CudaAccelerator(
Context context,
int deviceId,
CudaAcceleratorFlags acceleratorFlags)
: base(context, AcceleratorType.Cuda)
{
if (deviceId < 0)
{
throw new ArgumentOutOfRangeException(nameof(deviceId));
}
Backends.Backend.EnsureRunningOnNativePlatform();
CudaException.ThrowIfFailed(
CurrentAPI.CreateContext(
out var contextPtr,
acceleratorFlags,
deviceId));
NativePtr = contextPtr;
DeviceId = deviceId;
SetupAccelerator();
}
/// <summary>
/// Creates a new Cuda accelerator.
/// </summary>
/// <param name="context">The ILGPU context.</param>
/// <param name="cudaDeviceIndex">
/// The relative device index for the Cuda device. 0 here refers to the first
/// Cuda device, 1 to the second, etc.
/// </param>
/// <param name="acceleratorFlags">The accelerator flags.</param>
/// <returns>The created Cuda accelerator.</returns>
public static CudaAccelerator CreateCudaAccelerator(
this Context context,
int cudaDeviceIndex,
CudaAcceleratorFlags acceleratorFlags) =>
context.GetCudaDevice(cudaDeviceIndex)
.CreateCudaAccelerator(context, acceleratorFlags);
/// <summary>
/// Creates a new context.
/// </summary>
/// <param name="context">The created context.</param>
/// <param name="flags">The flags to use.</param>
/// <param name="device">The target device.</param>
/// <returns>The error status.</returns>
public CudaError CreateContext(
out IntPtr context,
CudaAcceleratorFlags flags,
int device) =>
cuCtxCreate_v2(out context, flags, device);
/// <summary>
/// Creates a new context with D3D11 support
/// </summary>
/// <param name="context">The created context.</param>
/// <param name="flags">The flags to use.</param>
/// <param name="device">The target device.</param>
/// <param name="d3dDevice">The associated D3D11 device.</param>
/// <returns>The error status.</returns>
public abstract CudaError CreateContextD3D11(
out IntPtr context,
out int device,
CudaAcceleratorFlags flags,
IntPtr d3dDevice);
/// <summary>
/// Creates a new context.
/// </summary>
/// <param name="context">The created context.</param>
/// <param name="flags">The flags to use.</param>
/// <param name="device">The target device.</param>
/// <returns>The error status.</returns>
public abstract CudaError CreateContext(
out IntPtr context,
CudaAcceleratorFlags flags,
int device);
private static extern CudaError cuCtxCreate_v2(
[Out] out IntPtr context,
[In] CudaAcceleratorFlags flags,
[In] int device);
/// <summary>
/// Creates a new Cuda accelerator.
/// </summary>
/// <param name="context">The ILGPU context.</param>
/// <param name="acceleratorFlags">The accelerator flags.</param>
/// <returns>The created Cuda accelerator.</returns>
public CudaAccelerator CreateCudaAccelerator(
Context context,
CudaAcceleratorFlags acceleratorFlags) =>
new CudaAccelerator(context, this, acceleratorFlags);
private static extern CudaError cuD3D11CtxCreate_v2(
[Out] out IntPtr context,
[Out] out int device,
[In] CudaAcceleratorFlags flags,
[In] IntPtr d3dDevice);
/// <summary>
/// Constructs a new Cuda accelerator.
/// </summary>
/// <param name="context">The ILGPU context.</param>
/// <param name="deviceId">The target device id.</param>
/// <param name="acceleratorFlags">The accelerator flags.</param>
public CudaAccelerator(Context context, int deviceId, CudaAcceleratorFlags acceleratorFlags)
: this(context, deviceId, acceleratorFlags, DefaultFlags)
{
}
