// d3dukmdt.h

typedef struct D3DDDI_UPDATEALLOCPROPERTY_FLAGS {
  union {
    struct {
      UINT AccessedPhysically : 1;
      UINT Unmoveable : 1;
      UINT Reserved : 30;
    };
    UINT Value;
  };
} D3DDDI_UPDATEALLOCPROPERTY_FLAGS;
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Windows Driver Kit DDI reference (ns-d3dukmdt-d3dddi_updateallocproperty_flags)

D3DDDI_UPDATEALLOCPROPERTY_FLAGS structure

Description

The D3DDDI_UPDATEALLOCPROPERTY_FLAGS structure identifies how to update a property in an allocation.

Members

`AccessedPhysically`

When set, indicates that the allocation is accessed by its physical address.

`Unmoveable`

When set, indicates that the allocation can't be moved while pinned in a memory segment.

`Reserved`

This member is reserved and should be set to zero.

`Value`

A member in the union that is contained in D3DDDI_UPDATEALLOC_PROPERTY_FLAGS that can hold one 32-bit value that identifies how to unlock a resource.

D3DDDI_UPDATEALLOCPROPERTY_FLAGS - NtDoc