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DXGKARG_SETALLOCATIONBACKINGSTORE structure (d3dkmddi.h)

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The DXGKARG_SETALLOCATIONBACKINGSTORE structure contains the arguments used by the DXGKDDI_SETALLOCATIONBACKINGSTORE callback function to obtain the system space address to a graphics allocation backing store.

Syntax

typedef struct _DXGKARG_SETALLOCATIONBACKINGSTORE {
  HANDLE hDriverAllocation;
  VOID   *pBackingStore;
} DXGKARG_SETALLOCATIONBACKINGSTORE;

Members

hDriverAllocation

[in] Handle to the driver allocation object. This handle was returned from DXGKDDI_CREATEALLOCATION.

pBackingStore

[in] Pointer to an address in system space for the allocation backing store. The address is valid until DXGKDDI_DESTROYALLOCATION is called.

Remarks

See Sharing the backing store with KMD for more information.

Requirements

Requirement Value
Minimum supported client Windows 11 (WDDM 3.0)
Header d3dkmddi.h

See also

DXGKDDI_SETALLOCATIONBACKINGSTORE