public GpuSensor()
{
if (!NVAPI.IsAvailable)
{
throw new Exception("Unable to obtain primary GPU; NVAPI is not available");
}
NvPhysicalGpuHandle[] handles = new NvPhysicalGpuHandle[NVAPI.MAX_PHYSICAL_GPUS];
int numGpus;
if (NVAPI.NvAPI_EnumPhysicalGPUs == null)
{
throw new Exception("Unable to obtain primary GPU; NvAPI_EnumPhysicalGPUs not available");
}
else
{
NvStatus status = NVAPI.NvAPI_EnumPhysicalGPUs(handles, out numGpus);
if (status != NvStatus.OK)
{
throw new Exception("Unable to obtain primary GPU");
}
}
if (numGpus < 1)
{
throw new Exception("Unable to obtain primary GPU");
}
gpuHandle = handles[0];
IDictionary <NvPhysicalGpuHandle, NvDisplayHandle> displayHandles = new Dictionary <NvPhysicalGpuHandle, NvDisplayHandle>();
if (NVAPI.NvAPI_EnumNvidiaDisplayHandle != null && NVAPI.NvAPI_GetPhysicalGPUsFromDisplay != null)
{
int i = 0;
NvStatus status = NvStatus.OK;
while (status == NvStatus.OK)
{
NvDisplayHandle displayHandle = new NvDisplayHandle();
status = NVAPI.NvAPI_EnumNvidiaDisplayHandle(i, ref displayHandle);
i++;
if (status == NvStatus.OK)
{
NvPhysicalGpuHandle[] handlesFromDisplay = new NvPhysicalGpuHandle[NVAPI.MAX_PHYSICAL_GPUS];
if (NVAPI.NvAPI_GetPhysicalGPUsFromDisplay(displayHandle, handlesFromDisplay, out uint countFromDisplay) == NvStatus.OK)
{
for (int j = 0; j < countFromDisplay; j++)
{
if (!displayHandles.ContainsKey(handlesFromDisplay[j]))
{
displayHandles.Add(handlesFromDisplay[j], displayHandle);
}
}
}
}
}
}
displayHandles.TryGetValue(handles[0], out displayHandle);
}
public Nvidia()
{
bool available = NVAPI.IsAvailable;
NvPhysicalGpuHandle[] handles = new NvPhysicalGpuHandle[NVAPI.MAX_PHYSICAL_GPUS];
int count;
if (NVAPI.NvAPI_EnumPhysicalGPUs == null)
{
//Console.WriteLine("Error: NvAPI_EnumPhysicalGPUs not available");
return;
}
else
{
NvStatus status = NVAPI.NvAPI_EnumPhysicalGPUs(handles, out count);
if (status != NvStatus.OK)
{
//Console.WriteLine("Error: NvAPI_EnumPhysicalGPUs not available");
//Console.WriteLine("Status: " + status);
return;
}
}
IDictionary <NvPhysicalGpuHandle, NvDisplayHandle> displayHandles = new Dictionary <NvPhysicalGpuHandle, NvDisplayHandle>();
NvDisplayHandle displayHandle;
if (NVAPI.NvAPI_EnumNvidiaDisplayHandle != null && NVAPI.NvAPI_GetPhysicalGPUsFromDisplay != null)
{
NvStatus status = NvStatus.OK;
int i = 0;
while (status == NvStatus.OK)
{
displayHandle = new NvDisplayHandle();
status = NVAPI.NvAPI_EnumNvidiaDisplayHandle(i, ref displayHandle);
i++;
if (status == NvStatus.OK)
{
NvPhysicalGpuHandle[] handlesFromDisplay = new NvPhysicalGpuHandle[NVAPI.MAX_PHYSICAL_GPUS];
uint countFromDisplay;
if (NVAPI.NvAPI_GetPhysicalGPUsFromDisplay(displayHandle, handlesFromDisplay, out countFromDisplay) == NvStatus.OK)
{
for (int j = 0; j < countFromDisplay; j++)
{
if (!displayHandles.ContainsKey(handlesFromDisplay[j]))
{
displayHandles.Add(handlesFromDisplay[j], displayHandle);
}
}
}
}
}
}
if (count > 1)
{
Console.WriteLine("only suppoert 1 GUP");
}
displayHandles.TryGetValue(handles[0], out displayHandle);
this._handle = handles[0];
this._displayHandle = displayHandle;
this.Name = GetName(this._handle);
}