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61 lines
2.2 KiB
C++
61 lines
2.2 KiB
C++
#include "loaders/loader_nvml.h"
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#include "nvidia_info.h"
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#include <iostream>
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#include "overlay.h"
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nvmlReturn_t result;
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nvmlDevice_t nvidiaDevice;
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nvmlPciInfo_t nvidiaPciInfo;
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bool nvmlSuccess = false;
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unsigned int nvidiaTemp = 0, nvidiaCoreClock = 0, nvidiaMemClock = 0, nvidiaPowerUsage = 0;
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struct nvmlUtilization_st nvidiaUtilization;
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struct nvmlMemory_st nvidiaMemory {};
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bool checkNVML(const char* pciBusId){
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auto& nvml = get_libnvml_loader();
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if (nvml.IsLoaded()){
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result = nvml.nvmlInit();
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if (NVML_SUCCESS != result) {
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std::cerr << "MANGOHUD: Nvidia module not loaded\n";
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} else {
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nvmlReturn_t ret = NVML_ERROR_UNKNOWN;
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if (pciBusId && ((ret = nvml.nvmlDeviceGetHandleByPciBusId(pciBusId, &nvidiaDevice)) != NVML_SUCCESS)) {
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std::cerr << "MANGOHUD: Getting device handle by PCI bus ID failed: " << nvml.nvmlErrorString(ret) << "\n";
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std::cerr << " Using index 0.\n";
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}
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if (ret != NVML_SUCCESS)
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ret = nvml.nvmlDeviceGetHandleByIndex(0, &nvidiaDevice);
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if (ret != NVML_SUCCESS)
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std::cerr << "MANGOHUD: Getting device handle failed: " << nvml.nvmlErrorString(ret) << "\n";
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nvmlSuccess = (ret == NVML_SUCCESS);
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if (ret == NVML_SUCCESS)
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nvml.nvmlDeviceGetPciInfo_v3(nvidiaDevice, &nvidiaPciInfo);
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return nvmlSuccess;
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}
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} else {
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std::cerr << "MANGOHUD: Failed to load NVML\n";
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}
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return false;
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}
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bool getNVMLInfo(){
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nvmlReturn_t response;
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auto& nvml = get_libnvml_loader();
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response = nvml.nvmlDeviceGetUtilizationRates(nvidiaDevice, &nvidiaUtilization);
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nvml.nvmlDeviceGetTemperature(nvidiaDevice, NVML_TEMPERATURE_GPU, &nvidiaTemp);
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nvml.nvmlDeviceGetMemoryInfo(nvidiaDevice, &nvidiaMemory);
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nvml.nvmlDeviceGetClockInfo(nvidiaDevice, NVML_CLOCK_GRAPHICS, &nvidiaCoreClock);
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nvml.nvmlDeviceGetClockInfo(nvidiaDevice, NVML_CLOCK_MEM, &nvidiaMemClock);
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nvml.nvmlDeviceGetPowerUsage(nvidiaDevice, &nvidiaPowerUsage);
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deviceID = nvidiaPciInfo.pciDeviceId >> 16;
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if (response == NVML_ERROR_NOT_SUPPORTED)
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nvmlSuccess = false;
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return nvmlSuccess;
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}
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