PFND3DDDI_RECLAIMALLOCATIONS2CB callback function (d3dumddi.h)
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) |