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PFND3D12DDI_CREATESYNCHRONIZATIONOBJECT2CB callback function (d3d12umddi.h)

  • Article

Creates a GPU synchronization object that a device context can signal and wait for. Used by WDDM 2.6 and later user-mode display drivers.

Syntax

PFND3D12DDI_CREATESYNCHRONIZATIONOBJECT2CB Pfnd3d12ddiCreatesynchronizationobject2cb;

HRESULT Pfnd3d12ddiCreatesynchronizationobject2cb(
  D3D12DDI_HRTDEVICE hDevice,
  D3D12DDICB_CREATESYNCHRONIZATIONOBJECT2 *unnamedParam2
)
{...}

Parameters

hDevice

A handle to the display device (that is, the graphics context) that will own the synchronization object that pfnCreateSynchronizationObject2Cb creates.

unnamedParam2

A pointer to a D3D12DDICB_CREATESYNCHRONIZATIONOBJECT2 structure that describes the synchronization object to create.

Return value

Returns one of the following HRESULT values:

Return code Description
S_OK The synchronization object was successfully created.
E_OUTOFMEMORY The function could not allocate memory that was required for it to complete.
E_INVALIDARG Parameters were validated and determined to be incorrect.

This function might also return other HRESULT values.

Requirements

Requirement Value
Minimum supported client Windows 10, version 1903
Header d3d12umddi.h