PFND3DDDI_UPDATEOVERLAY callback function

The UpdateOverlay function reconfigures or moves an overlay that is being displayed.

Syntax

PFND3DDDI_UPDATEOVERLAY Pfnd3dddiUpdateoverlay;

HRESULT Pfnd3dddiUpdateoverlay(
  HANDLE hDevice,
  CONST D3DDDIARG_UPDATEOVERLAY *
)
{...}

Parameters

hDevice

A handle to the display device (graphics context).

*

Return Value

UpdateOverlay returns one of the following values:

Return code Description
S_OK
The overlay is successfully modified.
E_OUTOFMEMORY
UpdateOverlay could not complete because of insufficient memory.
D3DDDIERR_NOTAVAILABLE
UpdateOverlay could not complete because insufficient bandwidth was available or the requested overlay hardware was unavailable.
D3DDDIERR_UNSUPPORTEDOVERLAYFORMAT
The specified overlay format is not supported by the overlay hardware.
D3DDDIERR_UNSUPPORTEDOVERLAY
The overlay hardware is not supported for the specified size and display mode.

Remarks

Overlays are independent from the resources that are displayed by using the overlays.

Requirements

   
Windows version Available in Windows Vista and later versions of the Windows operating systems.
Target Platform Desktop
Header d3dumddi.h (include D3dumddi.h)

See Also

D3DDDIARG_UPDATEOVERLAY

D3DDDI_DEVICEFUNCS