IDMLDevice::CheckFeatureSupport method (directml.h)

Gets information about the optional features and capabilities that are supported by the DirectML device.

Syntax

HRESULT CheckFeatureSupport(
                 DML_FEATURE feature,
                 UINT        featureQueryDataSize,
  [in, optional] const void  *featureQueryData,
                 UINT        featureSupportDataSize,
  [out]          void        *featureSupportData
);

Parameters

feature

Type: DML_FEATURE

A constant from the DML_FEATURE enumeration describing the feature(s) that you want to query for support.

featureQueryDataSize

Type: UINT

The size of the structure pointed to by the featureQueryData parameter, if provided, otherwise 0.

[in, optional] featureQueryData

Type: const void*

An optional pointer to a query structure that corresponds to the value of the feature parameter. To determine the corresponding query type for each constant, see DML_FEATURE.

featureSupportDataSize

Type: UINT

The size of the structure pointed to by the featureSupportData parameter.

[out] featureSupportData

Type: void*

A pointer to a support data structure that corresponds to the value of the feature parameter. To determine the corresponding support data type for each constant, see DML_FEATURE.

Return value

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns DXGI_ERROR_UNSUPPORTED if the DML_FEATURE is unrecognized or unsupported, and E_INVALIDARG if the parameters are incorrect.

Requirements

See also

IDMLDevice