feat: added GPU temperature indication. Supports both NVIDIA and AMD discrete GPUs

feat: immediately update sensors when opening GHelper window

Gpu/NvidiaGpuTemperatureProvider.cs

@@ -0,0 +1,44 @@
+using NvAPIWrapper.GPU;
+using NvAPIWrapper.Native;
+using NvAPIWrapper.Native.Exceptions;
+using NvAPIWrapper.Native.GPU;
+using NvAPIWrapper.Native.Interfaces.GPU;
+
+namespace GHelper.Gpu; 
+
+public class NvidiaGpuTemperatureProvider : IGpuTemperatureProvider {
+    private readonly PhysicalGPU? _internalGpu;
+
+    public NvidiaGpuTemperatureProvider() {
+        _internalGpu = GetInternalDiscreteGpu();
+    }
+
+    public bool IsValid => _internalGpu != null;
+
+    public int? GetCurrentTemperature() {
+        if (!IsValid)
+            return null;
+
+        IThermalSensor? gpuSensor = 
+            GPUApi.GetThermalSettings(_internalGpu!.Handle).Sensors
+            .FirstOrDefault(s => s.Target == ThermalSettingsTarget.GPU);
+
+        if (gpuSensor == null)
+            return null;
+
+        return gpuSensor.CurrentTemperature;
+    }
+
+    public void Dispose() {
+    }
+    
+    private static PhysicalGPU? GetInternalDiscreteGpu() {
+        try {
+            return PhysicalGPU
+                .GetPhysicalGPUs()
+                .FirstOrDefault(gpu => gpu.SystemType == SystemType.Laptop);
+        } catch (NVIDIAApiException) {
+            return null;
+        }
+    }
+}