PFND3DDDI_CREATEEXTENSIONDEVICE callback function (d3dumddi.h)
The CreateExtensionDevice function creates a DirectX Video Acceleration (DXVA) extension device.
Syntax
PFND3DDDI_CREATEEXTENSIONDEVICE Pfnd3dddiCreateextensiondevice;
HRESULT Pfnd3dddiCreateextensiondevice(
HANDLE hDevice,
D3DDDIARG_CREATEEXTENSIONDEVICE *unnamedParam2
)
{...}
Parameters
hDevice
A handle to the display device (graphics context).
unnamedParam2
pData [in, out]
A pointer to a D3DDDIARG_CREATEEXTENSIONDEVICE structure. On input, this structure contains information that the driver can use. On output, the driver specifies information in the structure that the Direct3D runtime can use.
Return value
CreateExtensionDevice returns one of the following values:
| Return code | Description |
|---|---|
| S_OK | The extension device is successfully created. |
| E_OUTOFMEMORY | CreateExtensionDevice couldn't allocate the required memory for it to complete. |
Remarks
For more information, see Creating and Using a DirectX VA 2.0 Extension Device.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista |
| Target Platform | Desktop |
| Header | d3dumddi.h (include D3dumddi.h) |