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DXGKARG_SETROOTPAGETABLE structure (d3dkmddi.h)

  • Article

DXGKARG_SETROOTPAGETABLE is used by the DxgkDdiSetRootPageTabledevice driver interface (DDI) to notify a context when its associated root page table is resized or moved in memory.

Syntax

typedef struct _DXGKARG_SETROOTPAGETABLE {
  HANDLE                  hContext;
  D3DGPU_PHYSICAL_ADDRESS Address;
  UINT                    NumEntries;
} DXGKARG_SETROOTPAGETABLE;

Members

hContext

A context handle returned by DxgkDdiCreateContext.

Address

The GPU physical address of the root page table.

NumEntries

The root page table size in entries. GPU should generate invalid fault when a virtual address has a top level page table entry index, which is greater or equal this value.

Requirements

Requirement Value
Minimum supported client Windows 10
Minimum supported server Windows Server 2016
Header d3dkmddi.h (include D3dkmddi.h)

See also

DxgkDdiCreateContext

DxgkDdiSetRootPageTable