public NvidiaGroup(ISettings settings)
{
if (!NVAPI.IsAvailable)
{
return;
}
report.AppendLine("NVAPI");
report.AppendLine();
string version;
if (NVAPI.NvAPI_GetInterfaceVersionString(out version) == NvStatus.OK)
{
report.Append("Version: ");
report.AppendLine(version);
}
NvPhysicalGpuHandle[] handles =
new NvPhysicalGpuHandle[NVAPI.MAX_PHYSICAL_GPUS];
int count;
if (NVAPI.NvAPI_EnumPhysicalGPUs == null)
{
report.AppendLine("Error: NvAPI_EnumPhysicalGPUs not available");
report.AppendLine();
return;
}
else
{
NvStatus status = NVAPI.NvAPI_EnumPhysicalGPUs(handles, out count);
if (status != NvStatus.OK)
{
report.AppendLine("Status: " + status);
report.AppendLine();
return;
}
}
IDictionary <NvPhysicalGpuHandle, NvDisplayHandle> displayHandles =
new Dictionary <NvPhysicalGpuHandle, NvDisplayHandle>();
if (NVAPI.NvAPI_EnumNvidiaDisplayHandle != null &&
NVAPI.NvAPI_GetPhysicalGPUsFromDisplay != null)
{
NvStatus status = NvStatus.OK;
int i = 0;
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];
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);
}
}
}
}
}
}
report.Append("Number of GPUs: ");
report.AppendLine(count.ToString(CultureInfo.InvariantCulture));
for (int i = 0; i < count; i++)
{
NvDisplayHandle displayHandle;
displayHandles.TryGetValue(handles[i], out displayHandle);
hardware.Add(new NvidiaGPU(i, handles[i], displayHandle, settings));
}
report.AppendLine();
}