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PFND3DDDI_RECLAIMALLOCATIONS2CB callback function (d3dumddi.h)

  • Article

pfnReclaimAllocations2Cb is called by the user mode driver to reclaim video memory allocations that were previously offered for reuse.

Syntax

PFND3DDDI_RECLAIMALLOCATIONS2CB Pfnd3dddiReclaimallocations2cb;

HRESULT Pfnd3dddiReclaimallocations2cb(
  HANDLE hDevice,
  D3DDDICB_RECLAIMALLOCATIONS2 *unnamedParam2
)
{...}

Parameters

hDevice

A handle to the display device.

unnamedParam2

pData [in, out]

A pointer to a D3DDDICB_RECLAIMALLOCATIONS2 structure that defines the allocations to reclaim.

Return value

Returns one of the following values.

Return code Description
S_OK The allocations were successfully reclaimed.
E_INVALIDARG An invalid parameter was supplied.
D3DDDIERR_DEVICEREMOVED The video memory manager or display miniport driver could not complete the operation because either a Plug and Play (PnP) Stop event or a Timeout Detection and Recovery (TDR) event occurred.
Note If this error code is returned, the driver's calling function (typically the pfnReclaimResources routine) must return this error code to the Direct3D runtime.

Requirements

Requirement Value
Minimum supported client Windows 10
Minimum supported server Windows Server 2016
Target Platform Desktop
Header d3dumddi.h (include D3dumddi.h)

See also

D3DDDICB_RECLAIMALLOCATIONS2

D3DDDI_DEVICECALLBACKS

pfnReclaimResources