0 out of 1 rated this helpful - Rate this topic

pfnWaitForSynchronizationObject2Cb routine

Inserts a wait command for the specified synchronization objects in the specified context command stream. Used by Windows Display Driver Model (WDDM) 1.2 and later user-mode display drivers.

Syntax

C++


PFND3DDDI_WAITFORSYNCHRONIZATIONOBJECT2CB pfnWaitForSynchronizationObject2Cb;

__checkReturn HRESULT APIENTRY CALLBACK* pfnWaitForSynchronizationObject2Cb(
  _In_  HANDLE hDevice,
  _In_  const D3DDDICB_WAITFORSYNCHRONIZATIONOBJECT2 *pData
)
{ ... }

Parameters

hDevice [in]: A handle to a display device (that is, the graphics context).
pData [in]: A pointer to a D3DDDICB_WAITFORSYNCHRONIZATIONOBJECT2 structure that describes the synchronization objects and context DMA stream that are required to set up the wait.

Return value

Returns one of the following values:

Return code	Description
S_OK	The wait was successfully set up.
E_INVALIDARG	Parameters were validated and determined to be incorrect.

This function might also return other HRESULT values.

Remarks

The pfnCreateSynchronizationObject2Cb function returns a kernel-mode handle to the newly created synchronization object in the hSyncObject member of the D3DDDICB_CREATESYNCHRONIZATIONOBJECT2 structure that the pData parameter points to. The user-mode display driver passes this handle in calls to the following functions:

Do not call this function if the synchronization object is of type D3DDDI_CPU_NOTIFICATION—namely, the Type member of the D3DDDI_SYNCHRONIZATIONOBJECTINFO2 structure has a value of D3DDDI_CPU_NOTIFICATION.pfnDestroySynchronizationObjectCb

Requirements