// d3dkmddi.h

typedef struct _DXGKARG_SETROOTPAGETABLE {
  HANDLE                  hContext;
  D3DGPU_PHYSICAL_ADDRESS Address;
  UINT                    NumEntries;
} DXGKARG_SETROOTPAGETABLE;
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Windows Driver Kit DDI reference (ns-d3dkmddi-_dxgkarg_setrootpagetable)

_DXGKARG_SETROOTPAGETABLE structure

Description

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.

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.

DXGKARG_SETROOTPAGETABLE - NtDoc