// dispmprt.h

typedef struct _DXGKARG_GETDPADDRESS {
  D3DDDI_VIDEO_PRESENT_TARGET_ID TargetId;
  UINT                           DPNativeError;
  UINT                           RootPortIndex;
  BYTE                           NumLinks;
  BYTE                           RelAddress[MAX_DP_ADDRESS_SIZE];
} DXGKARG_GETDPADDRESS, *PDXGKARG_GETDPADDRESS;
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Windows Driver Kit DDI reference (ns-dispmprt-dxgkarg_getdpaddress)

DXGKARG_GETDPADDRESS structure

Description

The DXGKARG_GETDPADDRESS structure is a parameter for the DXGKDDI_GETDPADDRESS callback.

Members

`TargetId`

D3DDDI_VIDEO_PRESENT_TARGET_ID structure that contains information about video present target.

`DPNativeError`

Field in which the driver can encode more details about the error when returning STATUS_DEVICE_PROTOCOL_ERROR from DXGKDDI_GETDPADDRESS.

`RootPortIndex`

Index value of the DP-capable connector.

`NumLinks`

Number of links between the root port and target device. NumLinks should be 0 if the DP monitor is directly connected to the GPU.

`RelAddress`

DP Relative Address. The format is described in the DP specification.

DXGKARG_GETDPADDRESS - NtDoc