// d3dkmthk.h

typedef struct _D3DKMT_ADAPTERINFO {
  D3DKMT_HANDLE hAdapter;
  LUID          AdapterLuid;
  ULONG         NumOfSources;
  BOOL          bPrecisePresentRegionsPreferred;
} D3DKMT_ADAPTERINFO;
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Windows Driver Kit DDI reference (ns-d3dkmthk-_d3dkmt_adapterinfo)

D3DKMT_ADAPTERINFO structure

Description

Supplies information about an adapter.

Members

`hAdapter`

A handle to the adapter.

`AdapterLuid`

A LUID value that uniquely identifies the adapter, typically until the operating system is rebooted. The LUID value changes whenever:

the system is rebooted
the adapter's driver is updated
the adapter is disabled
the adapter is disconnected

`NumOfSources`

The number of video present sources supported by the adapter.

`bPrecisePresentRegionsPreferred`

If TRUE, the adapter prefers precise present regions.

D3DKMT_ADAPTERINFO - NtDoc