//////////////////////////////////////////////////////////
//
// NvOptimusDetect
//
// Try detecting optimus via NvAPI
//
//////////////////////////////////////////////////////////
bool NvOptimusDetect( void )
{
if( NvAPI_Initialize() != NVAPI_OK )
{
return false;
}
// Get and log driver info
NvAPI_ShortString szDesc = "-";
NvU32 uiDriverVersion = -1;
NvAPI_ShortString szBuildBranchString = "-";
NvAPI_GetInterfaceVersionString( szDesc );
NvAPI_SYS_GetDriverAndBranchVersion( &uiDriverVersion, szBuildBranchString );
WriteDebugEventAndReport( 7460, SString( "NvAPI - InterfaceVersion:'%s' DriverVersion:%d.%d Branch:'%s'", szDesc, uiDriverVersion / 100, uiDriverVersion % 100, szBuildBranchString ) );
// Get all the Physical GPU Handles
NvPhysicalGpuHandle nvGPUHandle[NVAPI_MAX_PHYSICAL_GPUS] = {0};
NvU32 uiGpuCount = 0;
if( NvAPI_EnumPhysicalGPUs( nvGPUHandle, &uiGpuCount ) != NVAPI_OK )
{
return false;
}
bool bFoundOptimus = false;
for( NvU32 i = 0; i < uiGpuCount; i++ )
{
NV_SYSTEM_TYPE SystemType = (NV_SYSTEM_TYPE)-1; // 1-Laptop 2-Desktop
NV_GPU_TYPE GpuType = (NV_GPU_TYPE)-1; // 1-Integrated 2-Discrete
NvAPI_ShortString szName = "-";
NvAPI_GPU_GetSystemType( nvGPUHandle[i], &SystemType );
NvAPI_GPU_GetGPUType( nvGPUHandle[i], &GpuType );
NvAPI_GPU_GetFullName( nvGPUHandle[i], szName );
SString strStatus( "NvAPI - GPU %d/%d - SystemType:%d GpuType:%d (%s)", i, uiGpuCount, SystemType, GpuType, szName );
if ( SystemType == NV_SYSTEM_TYPE_LAPTOP && GpuType == NV_SYSTEM_TYPE_DGPU )
{
bFoundOptimus = true;
strStatus += " FoundOptimus";
}
WriteDebugEventAndReport( 7461, strStatus );
}
return bFoundOptimus;
}
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;
}
