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DXGKARGCB_CLOSE_PHYSICAL_MEMORY_OBJECT structure (d3dkmddi.h)

  • Article

The DXGKARGCB_CLOSE_PHYSICAL_MEMORY_OBJECT structure contains the information used by the DXGKCB_CLOSEPHYSICALMEMORYOBJECT callback function to close a physical memory object.

Syntax

typedef struct _DXGKARGCB_CLOSE_PHYSICAL_MEMORY_OBJECT {
  HANDLE hAdapterMemoryObject;
} DXGKARGCB_CLOSE_PHYSICAL_MEMORY_OBJECT;

Members

hAdapterMemoryObject

The adapter memory object to close.

Remarks

If the driver chooses to specify hAdapterMemoryObject as part of the DXGKCB_DESTROYPHYSICALMEMORYOBJECT call, then it is not necessary to close it via DXGKCB_CLOSEPHYSICALMEMORYOBJECT as well.

See IOMMU DMA remapping for more information.

Requirements

Requirement Value
Minimum supported server Windows Server 2022 (WDDM 2.9)
Header d3dkmddi.h

See also

DXGKCB_CLOSEPHYSICALMEMORYOBJECT

DXGKCB_DESTROYPHYSICALMEMORYOBJECT

DXGKCB_OPENPHYSICALMEMORYOBJECT