//-----------------------------------------------------------------------------
// Name: GetDirectXVersionViaDxDiag()
// Desc: Tries to get the DirectX version from DxDiag's COM interface
//-----------------------------------------------------------------------------
HRESULT GetDirectXVersionViaDxDiag( DWORD* pdwDirectXVersionMajor,
DWORD* pdwDirectXVersionMinor,
TCHAR* pcDirectXVersionLetter )
{
HRESULT hr;
bool bCleanupCOM = false;
bool bSuccessGettingMajor = false;
bool bSuccessGettingMinor = false;
bool bSuccessGettingLetter = false;
// Init COM. COM may fail if its already been inited with a different
// concurrency model. And if it fails you shouldn't release it.
hr = CoInitialize(NULL);
bCleanupCOM = SUCCEEDED(hr);
// Get an IDxDiagProvider
bool bGotDirectXVersion = false;
IDxDiagProvider* pDxDiagProvider = NULL;
hr = CoCreateInstance( CLSID_DxDiagProvider,
NULL,
CLSCTX_INPROC_SERVER,
IID_IDxDiagProvider,
(LPVOID*) &pDxDiagProvider );
if( SUCCEEDED(hr) )
{
// Fill out a DXDIAG_INIT_PARAMS struct
DXDIAG_INIT_PARAMS dxDiagInitParam;
ZeroMemory( &dxDiagInitParam, sizeof(DXDIAG_INIT_PARAMS) );
dxDiagInitParam.dwSize = sizeof(DXDIAG_INIT_PARAMS);
dxDiagInitParam.dwDxDiagHeaderVersion = DXDIAG_DX9_SDK_VERSION;
dxDiagInitParam.bAllowWHQLChecks = false;
dxDiagInitParam.pReserved = NULL;
// Init the m_pDxDiagProvider
hr = pDxDiagProvider->Initialize( &dxDiagInitParam );
if( SUCCEEDED(hr) )
{
IDxDiagContainer* pDxDiagRoot = NULL;
IDxDiagContainer* pDxDiagSystemInfo = NULL;
// Get the DxDiag root container
hr = pDxDiagProvider->GetRootContainer( &pDxDiagRoot );
if( SUCCEEDED(hr) )
{
// Get the object called DxDiag_SystemInfo
hr = pDxDiagRoot->GetChildContainer( L"DxDiag_SystemInfo", &pDxDiagSystemInfo );
if( SUCCEEDED(hr) )
{
VARIANT var;
VariantInit( &var );
// Get the "dwDirectXVersionMajor" property
hr = pDxDiagSystemInfo->GetProp( L"dwDirectXVersionMajor", &var );
if( SUCCEEDED(hr) && var.vt == VT_UI4 )
{
if( pdwDirectXVersionMajor )
*pdwDirectXVersionMajor = var.ulVal;
bSuccessGettingMajor = true;
}
VariantClear( &var );
// Get the "dwDirectXVersionMinor" property
hr = pDxDiagSystemInfo->GetProp( L"dwDirectXVersionMinor", &var );
if( SUCCEEDED(hr) && var.vt == VT_UI4 )
{
if( pdwDirectXVersionMinor )
*pdwDirectXVersionMinor = var.ulVal;
bSuccessGettingMinor = true;
}
VariantClear( &var );
// Get the "szDirectXVersionLetter" property
hr = pDxDiagSystemInfo->GetProp( L"szDirectXVersionLetter", &var );
if( SUCCEEDED(hr) && var.vt == VT_BSTR && var.bstrVal != NULL )
{
#ifdef UNICODE
*pcDirectXVersionLetter = var.bstrVal[0];
#else
char strDestination[10];
WideCharToMultiByte( CP_ACP, 0, var.bstrVal, -1, strDestination, 10*sizeof(CHAR), NULL, NULL );
if( pcDirectXVersionLetter )
*pcDirectXVersionLetter = strDestination[0];
#endif
bSuccessGettingLetter = true;
}
VariantClear( &var );
// If it all worked right, then mark it down
if( bSuccessGettingMajor && bSuccessGettingMinor && bSuccessGettingLetter )
bGotDirectXVersion = true;
pDxDiagSystemInfo->Release();
}
pDxDiagRoot->Release();
}
}
pDxDiagProvider->Release();
}
if( bCleanupCOM )
CoUninitialize();
if( bGotDirectXVersion )
return S_OK;
else
return E_FAIL;
}
bool WMIVideoInfo::_queryPropertyDxDiag( const PVIQueryType queryType, const U32 adapterId, String *outValue )
{
if( mDxDiagProvider != 0 )
{
IDxDiagContainer* rootContainer = 0;
IDxDiagContainer* displayDevicesContainer = 0;
IDxDiagContainer* deviceContainer = 0;
// Special case to deal with PVI_NumAdapters
if(queryType == PVI_NumAdapters)
{
DWORD count = 0;
String value;
if( mDxDiagProvider->GetRootContainer( &rootContainer ) == S_OK
&& rootContainer->GetChildContainer( L"DxDiag_DisplayDevices", &displayDevicesContainer ) == S_OK
&& displayDevicesContainer->GetNumberOfChildContainers( &count ) == S_OK )
{
value = String::ToString("%d", count);
}
if( rootContainer )
SAFE_RELEASE( rootContainer );
if( displayDevicesContainer )
SAFE_RELEASE( displayDevicesContainer );
*outValue = value;
return true;
}
WCHAR adapterIdString[ 2 ];
adapterIdString[ 0 ] = L'0' + adapterId;
adapterIdString[ 1 ] = L'\0';
String value;
if( mDxDiagProvider->GetRootContainer( &rootContainer ) == S_OK
&& rootContainer->GetChildContainer( L"DxDiag_DisplayDevices", &displayDevicesContainer ) == S_OK
&& displayDevicesContainer->GetChildContainer( adapterIdString, &deviceContainer ) == S_OK )
{
const WCHAR* propertyName = 0;
switch( queryType )
{
case PVI_Description:
propertyName = L"szDescription";
break;
case PVI_Name:
propertyName = L"szDeviceName";
break;
case PVI_ChipSet:
propertyName = L"szChipType";
break;
case PVI_DriverVersion:
propertyName = L"szDriverVersion";
break;
// Don't get VRAM via DxDiag as that won't tell us about the actual amount of dedicated
// video memory but rather some dedicated+shared RAM value.
}
if( propertyName )
{
VARIANT val;
if( deviceContainer->GetProp( propertyName, &val ) == S_OK )
switch( val.vt )
{
case VT_BSTR:
value = String( val.bstrVal );
break;
default:
AssertWarn( false, avar( "WMIVideoInfo: property type '%i' not implemented", val.vt ) );
}
}
}
if( rootContainer )
SAFE_RELEASE( rootContainer );
if( displayDevicesContainer )
SAFE_RELEASE( displayDevicesContainer );
if( deviceContainer )
SAFE_RELEASE( deviceContainer );
if( value.isNotEmpty() )
{
// Try to get the DxDiag data into some canonical form. Otherwise, we
// won't be giving the card profiler much opportunity for matching up
// its data with profile scripts.
switch( queryType )
{
case PVI_ChipSet:
if( value.compare( "ATI", 3, String::NoCase ) == 0 )
value = "ATI Technologies Inc.";
else if( value.compare( "NVIDIA", 6, String::NoCase ) == 0 )
value = "NVIDIA";
else if( value.compare( "INTEL", 5, String::NoCase ) == 0 )
value = "INTEL";
else if( value.compare( "MATROX", 6, String::NoCase ) == 0 )
value = "MATROX";
break;
case PVI_Description:
if( value.compare( "ATI ", 4, String::NoCase ) == 0 )
{
value = value.substr( 4, value.length() - 4 );
if( value.compare( " Series", 7, String::NoCase | String::Right ) == 0 )
value = value.substr( 0, value.length() - 7 );
}
else if( value.compare( "NVIDIA ", 7, String::NoCase ) == 0 )
value = value.substr( 7, value.length() - 7 );
else if( value.compare( "INTEL ", 6, String::NoCase ) == 0 )
value = value.substr( 6, value.length() - 6 );
else if( value.compare( "MATROX ", 7, String::NoCase ) == 0 )
value = value.substr( 7, value.length() - 7 );
break;
}
*outValue = value;
return true;
}
}
return false;
}
HRESULT GetDirectXVersionViaDxDiag(CString& strDXVersionString)
{
HRESULT hr;
bool bCleanupCOM = false;
bool bSuccessGettingLetter = false;
// Init COM. COM may fail if its already been inited with a different
// concurrency model. And if it fails you shouldn't release it.
hr = CoInitialize(NULL);
bCleanupCOM = SUCCEEDED(hr);
// Get an IDxDiagProvider
bool bGotDirectXVersion = false;
IDxDiagProvider* pDxDiagProvider = NULL;
hr = CoCreateInstance( CLSID_DxDiagProvider,
NULL,
CLSCTX_INPROC_SERVER,
IID_IDxDiagProvider,
(LPVOID*) &pDxDiagProvider );
if( SUCCEEDED(hr) )
{
// Fill out a DXDIAG_INIT_PARAMS struct
DXDIAG_INIT_PARAMS dxDiagInitParam;
ZeroMemory( &dxDiagInitParam, sizeof(DXDIAG_INIT_PARAMS) );
dxDiagInitParam.dwSize = sizeof(DXDIAG_INIT_PARAMS);
dxDiagInitParam.dwDxDiagHeaderVersion = DXDIAG_DX9_SDK_VERSION;
dxDiagInitParam.bAllowWHQLChecks = false;
dxDiagInitParam.pReserved = NULL;
// Init the m_pDxDiagProvider
hr = pDxDiagProvider->Initialize( &dxDiagInitParam );
if( SUCCEEDED(hr) )
{
IDxDiagContainer* pDxDiagRoot = NULL;
IDxDiagContainer* pDxDiagSystemInfo = NULL;
// Get the DxDiag root container
hr = pDxDiagProvider->GetRootContainer( &pDxDiagRoot );
if( SUCCEEDED(hr) )
{
// Get the object called DxDiag_SystemInfo
hr = pDxDiagRoot->GetChildContainer( L"DxDiag_SystemInfo", &pDxDiagSystemInfo );
if( SUCCEEDED(hr) )
{
VARIANT var;
VariantInit( &var );
// Get the "szDirectXVersionLetter" property
hr = pDxDiagSystemInfo->GetProp( L"szDirectXVersionLongEnglish", &var );
if( SUCCEEDED(hr) && var.vt == VT_BSTR && SysStringLen( var.bstrVal ) != 0 )
{
strDXVersionString = CComBSTR(var.bstrVal);
bSuccessGettingLetter = true;
}
VariantClear( &var );
// If it all worked right, then mark it down
if( bSuccessGettingLetter )
bGotDirectXVersion = true;
pDxDiagSystemInfo->Release();
}
pDxDiagRoot->Release();
}
}
pDxDiagProvider->Release();
}
if( bCleanupCOM )
CoUninitialize();
if( bGotDirectXVersion )
return S_OK;
else
return E_FAIL;
}
