/// <summary>
/// [PRIVATE]
/// Gets the current frame buffer width and location for the passed logical GPU handle.
/// </summary>
/// <param name="gpuHandle">The handle of the logical GPU to perform the operation on.</param>
/// <param name="width">The frame buffer width.</param>
/// <param name="location">The frame buffer location.</param>
public static void GetLogicalFrameBufferWidthAndLocation(
LogicalGPUHandle gpuHandle,
out uint width,
out uint location)
{
var status =
DelegateFactory.GetDelegate <Delegates.GPU.NvAPI_GPU_GetLogicalFBWidthAndLocation>()(gpuHandle,
out width, out location);
if (status != Status.Ok)
{
throw new NVIDIAApiException(status);
}
}
/// <summary>
/// This function returns the physical GPU handles associated with the specified logical GPU handle.
/// At least one GPU must be present in the system and running an NVIDIA display driver.
/// </summary>
/// <param name="gpuHandle">Logical GPU handle to get information about</param>
/// <returns>An array of physical GPU handles</returns>
/// <exception cref="NVIDIAApiException">Status.InvalidArgument: gpuHandle is not valid</exception>
/// <exception cref="NVIDIAApiException">Status.NvidiaDeviceNotFound: No NVIDIA GPU driving a display was found</exception>
/// <exception cref="NVIDIAApiException">Status.ExpectedLogicalGPUHandle: gpuHandle was not a logical GPU handle</exception>
public static PhysicalGPUHandle[] GetPhysicalGPUsFromLogicalGPU(LogicalGPUHandle gpuHandle)
{
var gpuList =
typeof(PhysicalGPUHandle).Instantiate <PhysicalGPUHandle>().Repeat(PhysicalGPUHandle.MaxPhysicalGPUs);
var status = DelegateFactory.GetDelegate <Delegates.GPU.NvAPI_GetPhysicalGPUsFromLogicalGPU>()(gpuHandle,
gpuList,
out var count);
if (status != Status.Ok)
{
throw new NVIDIAApiException(status);
}
return(gpuList.Take((int)count).ToArray());
}
/// <summary>
/// Creates a new LogicalGPU
/// </summary>
/// <param name="handle">Logical GPU handle</param>
public LogicalGPU(LogicalGPUHandle handle)
{
Handle = handle;
}