/// <summary>
/// Creates a new GridTopology
/// </summary>
/// <param name="gridTopology">A IGridTopology implamented object</param>
public GridTopology(IGridTopology gridTopology)
{
Rows = gridTopology.Rows;
Columns = gridTopology.Columns;
Displays = gridTopology.Displays.Select(display => new GridTopologyDisplay(display)).ToArray();
SetDisplaySettings(gridTopology.DisplaySettings);
ApplyWithBezelCorrectedResolution = gridTopology.ApplyWithBezelCorrectedResolution;
ImmersiveGaming = gridTopology.ImmersiveGaming;
BaseMosaicPanoramic = gridTopology.BaseMosaicPanoramic;
DriverReloadAllowed = gridTopology.DriverReloadAllowed;
AcceleratePrimaryDisplay = gridTopology.AcceleratePrimaryDisplay;
}
/// <summary>
/// Determines the set of available display modes for a given grid topology.
/// </summary>
/// <param name="gridTopology">The grid topology to use.</param>
/// <returns></returns>
/// <exception cref="NVIDIAApiException">Status.InvalidArgument: One or more arguments passed in are invalid.</exception>
/// <exception cref="NVIDIAApiException">Status.ApiNotInitialized: The NvAPI API needs to be initialized first.</exception>
/// <exception cref="NVIDIAApiException">Status.NoImplementation: This entry point not available.</exception>
/// <exception cref="NVIDIAApiException">Status.Error: Miscellaneous error occurred.</exception>
/// <exception cref="NVIDIANotSupportedException">This operation is not supported.</exception>
/// <exception cref="Exception">A delegate callback throws an exception.</exception>
public static IDisplaySettings[] EnumDisplayModes(IGridTopology gridTopology)
{
var mosaicEnumDisplayModes = DelegateFactory.GetDelegate <Delegates.Mosaic.NvAPI_Mosaic_EnumDisplayModes>();
using (var gridTopologyByRef = ValueTypeReference.FromValueType(gridTopology, gridTopology.GetType()))
{
var totalAvailable = 0u;
var status = mosaicEnumDisplayModes(gridTopologyByRef, ValueTypeArray.Null, ref totalAvailable);
if (status != Status.Ok)
{
throw new NVIDIAApiException(status);
}
if (totalAvailable == 0)
{
return(new IDisplaySettings[0]);
}
foreach (var acceptType in mosaicEnumDisplayModes.Accepts(2))
{
var counts = totalAvailable;
var instance = acceptType.Instantiate <IDisplaySettings>();
using (
var displaySettingByRef =
ValueTypeArray.FromArray(instance.Repeat((int)counts).AsEnumerable()))
{
status = mosaicEnumDisplayModes(gridTopologyByRef, displaySettingByRef, ref counts);
if (status == Status.IncompatibleStructureVersion)
{
continue;
}
if (status != Status.Ok)
{
throw new NVIDIAApiException(status);
}
return(displaySettingByRef.ToArray <IDisplaySettings>((int)counts, acceptType));
}
}
throw new NVIDIANotSupportedException("This operation is not supported.");
}
}
