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Experimental GPU overclock
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340
app/NvAPIWrapper/GPU/GPUCoolerInformation.cs
Normal file
340
app/NvAPIWrapper/GPU/GPUCoolerInformation.cs
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using NvAPIWrapper.Native;
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using NvAPIWrapper.Native.Exceptions;
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using NvAPIWrapper.Native.General;
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using NvAPIWrapper.Native.GPU;
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using NvAPIWrapper.Native.GPU.Structures;
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namespace NvAPIWrapper.GPU
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{
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/// <summary>
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/// Contains information about the GPU coolers and current fan speed
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/// </summary>
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public class GPUCoolerInformation
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{
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internal GPUCoolerInformation(PhysicalGPU physicalGPU)
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{
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PhysicalGPU = physicalGPU;
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// TODO: Add Support For Pascal Only Policy Table Method
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// TODO: GPUApi.GetCoolerPolicyTable & GPUApi.SetCoolerPolicyTable & GPUApi.RestoreCoolerPolicyTable
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// TODO: Better support of ClientFanCoolers set of APIs
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}
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/// <summary>
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/// Gets a list of all available coolers along with their current settings and status
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/// </summary>
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public IEnumerable<GPUCooler> Coolers
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{
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get
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{
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PrivateCoolerSettingsV1? settings = null;
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try
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{
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settings = GPUApi.GetCoolerSettings(PhysicalGPU.Handle);
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}
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catch (NVIDIAApiException e)
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{
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if (e.Status != Status.NotSupported)
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{
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throw;
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}
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}
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if (settings != null)
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{
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for (var i = 0; i < settings.Value.CoolerSettings.Length; i++)
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{
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if (i == 0)
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{
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var currentRPM = -1;
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try
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{
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currentRPM = (int)GPUApi.GetTachReading(PhysicalGPU.Handle);
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}
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catch (NVIDIAApiException)
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{
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// ignored
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}
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if (currentRPM >= 0)
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{
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yield return new GPUCooler(
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i,
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settings.Value.CoolerSettings[i],
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currentRPM
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);
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continue;
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}
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}
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yield return new GPUCooler(
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i,
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settings.Value.CoolerSettings[i]
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);
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}
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yield break;
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}
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PrivateFanCoolersStatusV1? status = null;
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PrivateFanCoolersInfoV1? info = null;
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PrivateFanCoolersControlV1? control = null;
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try
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{
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status = GPUApi.GetClientFanCoolersStatus(PhysicalGPU.Handle);
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info = GPUApi.GetClientFanCoolersInfo(PhysicalGPU.Handle);
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control = GPUApi.GetClientFanCoolersControl(PhysicalGPU.Handle);
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}
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catch (NVIDIAApiException e)
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{
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if (e.Status != Status.NotSupported)
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{
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throw;
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}
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}
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if (status != null && info != null && control != null)
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{
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for (var i = 0; i < status.Value.FanCoolersStatusEntries.Length; i++)
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{
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if (info.Value.FanCoolersInfoEntries.Length > i &&
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control.Value.FanCoolersControlEntries.Length > i)
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{
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yield return new GPUCooler(
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info.Value.FanCoolersInfoEntries[i],
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status.Value.FanCoolersStatusEntries[i],
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control.Value.FanCoolersControlEntries[i]
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);
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}
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}
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yield break;
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}
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throw new NVIDIAApiException(Status.NotSupported);
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}
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}
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/// <summary>
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/// Gets the GPU fan speed in revolutions per minute
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/// </summary>
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public int CurrentFanSpeedInRPM
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{
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get
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{
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try
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{
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return (int) GPUApi.GetTachReading(PhysicalGPU.Handle);
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}
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catch
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{
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return Coolers.FirstOrDefault(cooler => cooler.Target == CoolerTarget.All)?.CurrentFanSpeedInRPM ??
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0;
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}
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}
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}
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/// <summary>
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/// Gets the current fan speed in percentage if available
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/// </summary>
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public int CurrentFanSpeedLevel
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{
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get
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{
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try
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{
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return (int) GPUApi.GetCurrentFanSpeedLevel(PhysicalGPU.Handle);
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}
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catch
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{
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return Coolers.FirstOrDefault(cooler => cooler.Target == CoolerTarget.All)?.CurrentLevel ?? 0;
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}
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}
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}
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/// <summary>
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/// Gets the physical GPU that this instance describes
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/// </summary>
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public PhysicalGPU PhysicalGPU { get; }
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/// <inheritdoc />
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public override string ToString()
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{
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return $"{CurrentFanSpeedInRPM} RPM ({CurrentFanSpeedLevel}%)";
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}
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/// <summary>
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/// Resets all cooler settings to default.
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/// </summary>
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public void RestoreCoolerSettingsToDefault()
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{
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RestoreCoolerSettingsToDefault(Coolers.Select(cooler => cooler.CoolerId).ToArray());
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}
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/// <summary>
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/// Resets one or more cooler settings to default.
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/// </summary>
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/// <param name="coolerIds">The cooler identification numbers (indexes) to reset their settings to default.</param>
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public void RestoreCoolerSettingsToDefault(params int[] coolerIds)
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{
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var availableCoolerIds = Coolers.Select(cooler => cooler.CoolerId).ToArray();
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if (coolerIds.Any(i => !availableCoolerIds.Contains(i)))
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{
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throw new ArgumentException("Invalid cooler identification number provided.", nameof(coolerIds));
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}
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try
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{
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GPUApi.RestoreCoolerSettings(PhysicalGPU.Handle, coolerIds.Select(i => (uint) i).ToArray());
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return;
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}
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catch (NVIDIAApiException e)
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{
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if (e.Status != Status.NotSupported)
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{
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throw;
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}
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}
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var currentControl = GPUApi.GetClientFanCoolersControl(PhysicalGPU.Handle);
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var newControl = new PrivateFanCoolersControlV1(
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currentControl.FanCoolersControlEntries.Select(
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entry => coolerIds.Contains((int) entry.CoolerId)
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? new PrivateFanCoolersControlV1.FanCoolersControlEntry(
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entry.CoolerId,
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FanCoolersControlMode.Auto
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)
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: entry
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)
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.ToArray(),
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currentControl.UnknownUInt
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);
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GPUApi.SetClientFanCoolersControl(PhysicalGPU.Handle, newControl);
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}
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/// <summary>
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/// Changes a cooler settings by modifying the policy and the current level
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/// </summary>
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/// <param name="coolerId">The cooler identification number (index) to change the settings.</param>
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/// <param name="policy">The new cooler policy.</param>
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/// <param name="newLevel">The new cooler level. Valid only if policy is set to manual.</param>
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// ReSharper disable once TooManyDeclarations
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public void SetCoolerSettings(int coolerId, CoolerPolicy policy, int newLevel)
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{
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if (Coolers.All(cooler => cooler.CoolerId != coolerId))
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{
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throw new ArgumentException("Invalid cooler identification number provided.", nameof(coolerId));
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}
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try
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{
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GPUApi.SetCoolerLevels(
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PhysicalGPU.Handle,
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(uint) coolerId,
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new PrivateCoolerLevelsV1(new[]
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{
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new PrivateCoolerLevelsV1.CoolerLevel(policy, (uint) newLevel)
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}
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),
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1
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);
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return;
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}
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catch (NVIDIAApiException e)
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{
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if (e.Status != Status.NotSupported)
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{
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throw;
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}
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}
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var currentControl = GPUApi.GetClientFanCoolersControl(PhysicalGPU.Handle);
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var newControl = new PrivateFanCoolersControlV1(
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currentControl.FanCoolersControlEntries.Select(
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entry => entry.CoolerId == coolerId
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? new PrivateFanCoolersControlV1.FanCoolersControlEntry(
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entry.CoolerId,
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policy == CoolerPolicy.Manual
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? FanCoolersControlMode.Manual
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: FanCoolersControlMode.Auto,
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policy == CoolerPolicy.Manual ? (uint)newLevel : 0u)
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: entry
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)
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.ToArray(),
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currentControl.UnknownUInt
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);
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GPUApi.SetClientFanCoolersControl(PhysicalGPU.Handle, newControl);
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}
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/// <summary>
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/// Changes a cooler setting by modifying the policy
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/// </summary>
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/// <param name="coolerId">The cooler identification number (index) to change the settings.</param>
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/// <param name="policy">The new cooler policy.</param>
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// ReSharper disable once TooManyDeclarations
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public void SetCoolerSettings(int coolerId, CoolerPolicy policy)
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{
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if (Coolers.All(cooler => cooler.CoolerId != coolerId))
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{
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throw new ArgumentException("Invalid cooler identification number provided.", nameof(coolerId));
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}
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try
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{
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GPUApi.SetCoolerLevels(
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PhysicalGPU.Handle,
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(uint) coolerId,
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new PrivateCoolerLevelsV1(new[]
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{
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new PrivateCoolerLevelsV1.CoolerLevel(policy)
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}
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),
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1
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);
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return;
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}
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catch (NVIDIAApiException e)
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{
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if (e.Status != Status.NotSupported)
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{
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throw;
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}
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}
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var currentControl = GPUApi.GetClientFanCoolersControl(PhysicalGPU.Handle);
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var newControl = new PrivateFanCoolersControlV1(
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currentControl.FanCoolersControlEntries.Select(
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entry => entry.CoolerId == coolerId
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? new PrivateFanCoolersControlV1.FanCoolersControlEntry(
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entry.CoolerId,
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policy == CoolerPolicy.Manual
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? FanCoolersControlMode.Manual
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: FanCoolersControlMode.Auto)
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: entry
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)
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.ToArray(),
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currentControl.UnknownUInt
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);
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GPUApi.SetClientFanCoolersControl(PhysicalGPU.Handle, newControl);
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}
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/// <summary>
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/// Changes a cooler settings by modifying the policy to manual and sets a new level
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/// </summary>
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/// <param name="coolerId">The cooler identification number (index) to change the settings.</param>
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/// <param name="newLevel">The new cooler level.</param>
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public void SetCoolerSettings(int coolerId, int newLevel)
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{
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SetCoolerSettings(coolerId, CoolerPolicy.Manual, newLevel);
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}
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}
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}
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