clGetDeviceIDsFromD3D10KHR

Query the OpenCL devices corresponding to a Direct3D 10 device or a DXGI device.

`cl_int clGetDeviceIDsFromD3D10KHR(`	cl_platform_id `platform`,
	cl_d3d10_device_source_khr `d3d_device_source`,
	void `*d3d_object`,
	cl_d3d10_device_set_khr `d3d_device_set`,
	cl_uint `num_entries`,
	cl_device_id `*devices`,
	cl_uint `*num_devices)`

Parameters

platform

Refers to the platform ID returned by clGetPlatformIDs.

d3d_device_source

Specifies the type of d3d_object and may be one of the following:.

cl_d3d_device_source_khr	Type of `d3d_object`
`CL_D3D10_DEVICE_KHR`	ID3D10Device *
`CL_D3D10_DXGI_ADAPTER_KHR`	IDXGIAdapter *

d3d_object

Specifies the object whose corresponding OpenCL devices are being queried. The type of d3d_object must be as specified in the table above.

d3d_device_set

Specifies the set of devices to return, and must be one of the following:

cl_d3d_device_set_khr	Devices returned in `devices`
`CL_PREFERRED_DEVICES_FOR_D3D10_KHR`	The OpenCL devices associated with the specified Direct3D object.
`CL_ALL_DEVICES_FOR_D3D10_KHR`	All OpenCL devices which may interoperate with the specified Direct3D object. Performance of sharing data on these devices may be considerably less than on the preferred devices.

num_entries

The number of cl_device entries that can be added to devices. If devices is not NULL, the num_entries must be greater than zero.

devices

A list of OpenCL devices found. The cl_device_id values returned in devices can be used to identify a specific OpenCL device. If devices is NULL, this argument is ignored. The number of OpenCL devices returned is the mininum of the value specified by num_entries and the number of OpenCL devices corresponding to d3d_object.

num_devices

The number of OpenCL devices available that correspond to d3d_object. If num_devices is NULL, this argument is ignored.

Notes

The OpenCL devices corresponding to a Direct3D 10 device may be queried. The OpenCL devices corresponding to a DXGI adapter may also be queried. The OpenCL devices corresponding to a Direct3D 10 device will be a subset of the OpenCL devices corresponding to the DXGI adapter against which the Direct3D 10 device was created.

Errors

Returns CL_SUCCESS if the function is executed successfully. Otherwise it may return:

CL_INVALID_PLATFORM if platform is not a valid platform.
CL_INVALID_VALUE if d3d_device_source is not a valid value, d3d_device_set is not a valid value, num_entries is equal to zero and devices is not NULL, or if both num_devices and devices are NULL.
CL_DEVICE_NOT_FOUND if no OpenCL devices that correspond to d3d_object were found.

Specification

OpenCL Specification

Also see

cl_khr_d3d10_sharing, clCreateFromD3D10BufferKHR, clCreateFromD3D10Texture2DKHR, clCreateFromD3D10Texture3DKHR, clEnqueueAcquireD3D10ObjectsKHR, clEnqueueReleaseD3D10ObjectsKHR

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