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D3DDDI_TRIMRESIDENCYSET_FLAGS structure (d3dukmdt.h)

  • Article

D3DDDI_TRIMRESIDENCYSET_FLAGS is used with pfnTrimResidencySet to trim the residency list for a given device.

Syntax

typedef struct D3DDDI_TRIMRESIDENCYSET_FLAGS {
  union {
    struct {
      UINT PeriodicTrim : 1;
      UINT RestartPeriodicTrim : 1;
      UINT TrimToBudget : 1;
      UINT Reserved : 29;
    };
    UINT Value;
  };
} D3DDDI_TRIMRESIDENCYSET_FLAGS;

Members

PeriodicTrim

When PeriodicTrim flag is set, the driver is required to performed the following operations:

  • Trim all allocations that were not referenced since the previous periodic trim request by comparing the allocation last referenced fence with the last periodic trim context fence.
  • Refresh the last periodic trim context fence with the last completed context fence.

RestartPeriodicTrim

May not be set together with PeriodicTrim flag. Reset the last periodic trim context fence to the last completed context fence.

TrimToBudget

Indicates that the application usage is over the memory budget and that NumBytesToTrim bytes should be trimmed to fit in the new memory budget.

Reserved

This member is reserved and should be set to zero.

Value

The consolidated value of the bit-fields in the structure.

Requirements

Requirement Value
Minimum supported client Windows 10
Minimum supported server Windows Server 2016
Header d3dukmdt.h (include D3dumddi.h, D3dkmddi.h)

See also

pfnTrimResidencySet