/// <summary>
/// [PRIVATE]
/// This function sets the performance states (P-States) 2.0 information.
/// P-States are GPU active/executing performance capability and power consumption states.
/// </summary>
/// <param name="physicalGPUHandle">GPU handle to get information about.</param>
/// <param name="performanceStates20Info">Performance status 2.0 information to set</param>
/// <exception cref="NVIDIAApiException">Status.InvalidArgument: gpuHandle is NULL</exception>
/// <exception cref="NVIDIAApiException">Status.ExpectedPhysicalGPUHandle: gpuHandle was not a physical GPU handle</exception>
public static void SetPerformanceStates20(
PhysicalGPUHandle physicalGPUHandle,
IPerformanceStates20Info performanceStates20Info)
{
using (var performanceStateInfo =
ValueTypeReference.FromValueType(performanceStates20Info, performanceStates20Info.GetType()))
{
var status = DelegateFactory.GetDelegate <Delegates.GPU.NvAPI_GPU_SetPStates20>()(
physicalGPUHandle,
performanceStateInfo
);
if (status != Status.Ok)
{
throw new NVIDIAApiException(status);
}
}
}
internal GPUPerformanceStatesInformation(
IPerformanceStates20Info states20Info,
PerformanceStateId currentPerformanceStateId,
PrivatePCIeInfoV2?pciInformation)
{
IsReadOnly = !states20Info.IsEditable;
GlobalVoltages = states20Info.GeneralVoltages
.Select(entry => new GPUPerformanceStateVoltage(entry))
.ToArray();
var clocks = states20Info.Clocks;
var baseVoltages = states20Info.Voltages;
PerformanceStates = states20Info.PerformanceStates.Select((state20, i) =>
{
PCIeInformation statePCIeInfo = null;
if (pciInformation != null && pciInformation.Value.PCIePerformanceStateInfos.Length > i)
{
statePCIeInfo = new PCIeInformation(pciInformation.Value.PCIePerformanceStateInfos[i]);
}
return(new GPUPerformanceState(
i,
state20,
clocks[state20.StateId],
baseVoltages[state20.StateId],
statePCIeInfo
));
}).ToArray();
CurrentPerformanceState =
PerformanceStates.FirstOrDefault(performanceState =>
performanceState.StateId == currentPerformanceStateId);
}
