PFND3DDDI_UPDATEOVERLAY callback function (d3dumddi.h)
The UpdateOverlay function reconfigures or moves an overlay that is being displayed.
Syntax
PFND3DDDI_UPDATEOVERLAY Pfnd3dddiUpdateoverlay;
HRESULT Pfnd3dddiUpdateoverlay(
HANDLE hDevice,
const D3DDDIARG_UPDATEOVERLAY *unnamedParam2
)
{...}
Parameters
hDevice
A handle to the display device (graphics context).
unnamedParam2
pData [in]
A pointer to a D3DDDIARG_UPDATEOVERLAY structure that describes how to reconfigure the overlay.
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
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Windows Vista and later versions of the Windows operating systems. |
| Target Platform | Desktop |
| Header | d3dumddi.h (include D3dumddi.h) |