void EnumerateProfilesOnSystem()
{
NvAPI_Status status;
status = NvAPI_Initialize();
if(status != NVAPI_OK)
PrintError(status);
NvDRSSessionHandle hSession = 0;
status = NvAPI_DRS_CreateSession(&hSession);
if(status != NVAPI_OK)
PrintError(status);
status = NvAPI_DRS_LoadSettings(hSession);
if(status != NVAPI_OK)
PrintError(status);
NvDRSProfileHandle hProfile = 0;
unsigned int index = 0;
while((status = NvAPI_DRS_EnumProfiles(hSession, index, &hProfile)) == NVAPI_OK)
{
printf("Profile in position %d:\n", index);
DisplayProfileContents(hSession, hProfile);
index++;
}
if(status == NVAPI_END_ENUMERATION)
{
// this is expected at the end of the enumeration
}
else
if(status != NVAPI_OK)
PrintError(status);
NvAPI_DRS_DestroySession(hSession);
hSession = 0;
}
void ll_nvapi_init(NvDRSSessionHandle hSession)
{
// (2) load all the system settings into the session
NvAPI_Status status = NvAPI_DRS_LoadSettings(hSession);
if (status != NVAPI_OK)
{
nvapi_error(status);
return;
}
NvAPI_UnicodeString wsz = { 0 };
memcpy_s(wsz, sizeof(wsz), NVAPI_APPNAME, sizeof(NVAPI_APPNAME));
status = NvAPI_DRS_SetCurrentGlobalProfile(hSession, wsz);
if (status != NVAPI_OK)
{
nvapi_error(status);
return;
}
// (3) Obtain the current profile.
NvDRSProfileHandle hProfile = 0;
status = NvAPI_DRS_GetCurrentGlobalProfile(hSession, &hProfile);
if (status != NVAPI_OK)
{
nvapi_error(status);
return;
}
// load settings for querying
status = NvAPI_DRS_LoadSettings(hSession);
if (status != NVAPI_OK)
{
nvapi_error(status);
return;
}
//get the preferred power management mode for Second Life
NVDRS_SETTING drsSetting = {0};
drsSetting.version = NVDRS_SETTING_VER;
status = NvAPI_DRS_GetSetting(hSession, hProfile, PREFERRED_PSTATE_ID, &drsSetting);
if (status == NVAPI_SETTING_NOT_FOUND)
{ //only override if the user hasn't specifically set this setting
// (4) Specify that we want the VSYNC disabled setting
// first we fill the NVDRS_SETTING struct, then we call the function
drsSetting.version = NVDRS_SETTING_VER;
drsSetting.settingId = PREFERRED_PSTATE_ID;
drsSetting.settingType = NVDRS_DWORD_TYPE;
drsSetting.u32CurrentValue = PREFERRED_PSTATE_PREFER_MAX;
status = NvAPI_DRS_SetSetting(hSession, hProfile, &drsSetting);
if (status != NVAPI_OK)
{
nvapi_error(status);
return;
}
// (5) Now we apply (or save) our changes to the system
status = NvAPI_DRS_SaveSettings(hSession);
if (status != NVAPI_OK)
{
nvapi_error(status);
return;
}
}
else if (status != NVAPI_OK)
{
nvapi_error(status);
return;
}
}
int main()
{
if (NvAPI_Initialize() != NVAPI_OK)
throw std::runtime_error("NVIDIA Api not initialized");
if (NvAPI_DRS_CreateSession(&_session) != NVAPI_OK)
throw std::runtime_error("can't create session");
if (NvAPI_DRS_LoadSettings(_session) != NVAPI_OK)
throw std::runtime_error("can't load system settings");
if (NvAPI_DRS_GetCurrentGlobalProfile(_session, &_profile) != NVAPI_OK)
throw std::runtime_error("can't get current global profile");
NvPhysicalGpuHandle nvGPUHandle[NVAPI_MAX_PHYSICAL_GPUS];
NvAPI_Status status;
NvU32 GpuCount;
NvU32 DeviceId;
NvU32 SubSystemId;
NvU32 RevisionId;
NvU32 ExtDeviceId;
NvU32 BusId;
NvU32 BiosRevision;
NvU32 BiosRevisionOEM;
NV_BOARD_INFO BoardInfo;
BoardInfo.version = NV_BOARD_INFO_VER;
NvU32 ConfiguredFeatureMask;
NvU32 ConsistentFeatureMask;
NvU32 CoreCount;
NvAPI_EnumPhysicalGPUs(nvGPUHandle, &GpuCount);
NvAPI_ShortString str;
NvAPI_GPU_GetFullName(nvGPUHandle[0], str);
NvAPI_GPU_GetPCIIdentifiers(nvGPUHandle[0], &DeviceId, &SubSystemId, &RevisionId, &ExtDeviceId);
NvAPI_GPU_GetBusId(nvGPUHandle[0], &BusId);
NvAPI_GPU_GetVbiosRevision(nvGPUHandle[0], &BiosRevision);
NvAPI_GPU_GetVbiosOEMRevision(nvGPUHandle[0], &BiosRevisionOEM);
NvAPI_GPU_GetVbiosVersionString(nvGPUHandle[0], str);
status = NvAPI_GPU_GetBoardInfo(nvGPUHandle[0], &BoardInfo);
status = NvAPI_GPU_WorkstationFeatureQuery(nvGPUHandle[0], &ConfiguredFeatureMask, &ConsistentFeatureMask);
status = NvAPI_GPU_GetGpuCoreCount(nvGPUHandle[0], &CoreCount);
NV_CHIPSET_INFO info;
info.version = NV_CHIPSET_INFO_VER_4;
status =NvAPI_SYS_GetChipSetInfo(&info);
NvAPI_GetInterfaceVersionString(str);
unsigned int test= (unsigned int) -0x68;
unsigned int index = 0;
while ((status = NvAPI_DRS_EnumProfiles(_session, index, &_profile)) == NVAPI_OK)
{
_profInfo.version = NVDRS_PROFILE_VER;
if (NvAPI_DRS_GetProfileInfo(_session, _profile, &_profInfo) != NVAPI_OK)
throw std::runtime_error("can't get current global profile info");
index++;
}
EnumerateProfilesOnSystem();
NvAPI_DRS_DestroySession(_session);
return 0;
}
