PPH_STRING NvGpuQueryDriverVersion(VOID)
{
if (NvAPI_SYS_GetDriverAndBranchVersion)
{
NvU32 driverVersion = 0;
NvAPI_ShortString driverAndBranchString = "";
if (NvAPI_SYS_GetDriverAndBranchVersion(&driverVersion, driverAndBranchString) == NVAPI_OK)
{
return PhFormatString(L"%lu.%lu [%hs]",
driverVersion / 100,
driverVersion % 100,
driverAndBranchString
);
}
}
if (NvAPI_GetDisplayDriverVersion)
{
NV_DISPLAY_DRIVER_VERSION nvDisplayDriverVersion = { NV_DISPLAY_DRIVER_VERSION_VER };
if (NvAPI_GetDisplayDriverVersion(NvGpuDisplayHandleList->Items[0], &nvDisplayDriverVersion) == NVAPI_OK)
{
return PhFormatString(L"%lu.%lu [%hs]",
nvDisplayDriverVersion.drvVersion / 100,
nvDisplayDriverVersion.drvVersion % 100,
nvDisplayDriverVersion.szBuildBranchString
);
}
}
return PhCreateString(L"N/A");
}
//////////////////////////////////////////////////////////
//
// 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;
}
