Initial commit with PS4 and XBone stuff trimmed.

1 files changed, 1177 insertions, 0 deletions

diff --git a/sample/d3d11/common/DXUTDevice9.cpp b/sample/d3d11/common/DXUTDevice9.cpp
new file mode 100644
index 0000000..35ae3ec
--- /dev/null
+++ b/sample/d3d11/common/DXUTDevice9.cpp
@@ -0,0 +1,1177 @@
+//--------------------------------------------------------------------------------------
+// File: DXUTDevice9.cpp
+//
+// Enumerates D3D adapters, devices, modes, etc.
+//
+// Copyright (c) Microsoft Corporation. All rights reserved.
+//--------------------------------------------------------------------------------------
+#include "DXUT.h"
+#undef min // use __min instead
+#undef max // use __max instead
+
+//--------------------------------------------------------------------------------------
+// Forward declarations
+//--------------------------------------------------------------------------------------
+extern void DXUTGetCallbackD3D9DeviceAcceptable( LPDXUTCALLBACKISD3D9DEVICEACCEPTABLE* ppCallbackIsDeviceAcceptable, void** ppUserContext );
+
+
+
+
+static int __cdecl SortModesCallback( const void* arg1, const void* arg2 );
+
+
+CD3D9Enumeration*   g_pDXUTD3D9Enumeration = NULL;
+
+HRESULT WINAPI DXUTCreateD3D9Enumeration()
+{
+    if( g_pDXUTD3D9Enumeration == NULL )
+    {
+        g_pDXUTD3D9Enumeration = new CD3D9Enumeration();
+        if( NULL == g_pDXUTD3D9Enumeration )
+            return E_OUTOFMEMORY;
+    }
+    return S_OK;
+}
+
+void WINAPI DXUTDestroyD3D9Enumeration()
+{
+    SAFE_DELETE( g_pDXUTD3D9Enumeration );
+}
+
+class DXUTMemoryHelperD3D9Enum
+{
+public:
+DXUTMemoryHelperD3D9Enum()
+{
+    DXUTCreateD3D9Enumeration();
+}
+~DXUTMemoryHelperD3D9Enum()
+{
+    DXUTDestroyD3D9Enumeration();
+}
+};
+
+//--------------------------------------------------------------------------------------
+CD3D9Enumeration* WINAPI DXUTGetD3D9Enumeration( bool bForceEnumerate )
+{
+    // Using an static class with accessor function to allow control of the construction order
+    static DXUTMemoryHelperD3D9Enum d3d9enumMemory;
+
+    if( g_pDXUTD3D9Enumeration && ( !g_pDXUTD3D9Enumeration->HasEnumerated() || bForceEnumerate ) )
+    {
+        LPDXUTCALLBACKISD3D9DEVICEACCEPTABLE pCallbackIsDeviceAcceptable;
+        void* pUserContext;
+        DXUTGetCallbackD3D9DeviceAcceptable( &pCallbackIsDeviceAcceptable, &pUserContext );
+        g_pDXUTD3D9Enumeration->Enumerate( pCallbackIsDeviceAcceptable, pUserContext );
+    }
+
+    return g_pDXUTD3D9Enumeration;
+}
+
+
+//--------------------------------------------------------------------------------------
+CD3D9Enumeration::CD3D9Enumeration()
+{
+    m_bHasEnumerated = false;
+    m_pD3D = NULL;
+    m_IsD3D9DeviceAcceptableFunc = NULL;
+    m_pIsD3D9DeviceAcceptableFuncUserContext = NULL;
+    m_bRequirePostPixelShaderBlending = true;
+
+    m_nMinWidth = 640;
+    m_nMinHeight = 480;
+    m_nMaxWidth = UINT_MAX;
+    m_nMaxHeight = UINT_MAX;
+
+    m_nRefreshMin = 0;
+    m_nRefreshMax = UINT_MAX;
+
+    m_nMultisampleQualityMax = 0xFFFF;
+
+    ResetPossibleDepthStencilFormats();
+    ResetPossibleMultisampleTypeList();
+    ResetPossiblePresentIntervalList();
+    SetPossibleVertexProcessingList( true, true, true, false );
+}
+
+
+//--------------------------------------------------------------------------------------
+CD3D9Enumeration::~CD3D9Enumeration()
+{
+    ClearAdapterInfoList();
+}
+
+
+
+//--------------------------------------------------------------------------------------
+// Enumerate for each adapter all of the supported display modes, 
+// device types, adapter formats, back buffer formats, window/full screen support, 
+// depth stencil formats, multisampling types/qualities, and presentations intervals.
+//
+// For each combination of device type (HAL/REF), adapter format, back buffer format, and
+// IsWindowed it will call the app's ConfirmDevice callback.  This allows the app
+// to reject or allow that combination based on its caps/etc.  It also allows the 
+// app to change the BehaviorFlags.  The BehaviorFlags defaults non-pure HWVP 
+// if supported otherwise it will default to SWVP, however the app can change this 
+// through the ConfirmDevice callback.
+//--------------------------------------------------------------------------------------
+HRESULT CD3D9Enumeration::Enumerate( LPDXUTCALLBACKISD3D9DEVICEACCEPTABLE IsD3D9DeviceAcceptableFunc,
+                                     void* pIsD3D9DeviceAcceptableFuncUserContext )
+{
+    CDXUTPerfEventGenerator eventGenerator( DXUT_PERFEVENTCOLOR, L"DXUT D3D9 Enumeration" );
+    IDirect3D9* pD3D = DXUTGetD3D9Object();
+    if( pD3D == NULL )
+    {
+        pD3D = DXUTGetD3D9Object();
+        if( pD3D == NULL )
+            return DXUTERR_NODIRECT3D;
+    }
+
+    m_bHasEnumerated = true;
+    m_pD3D = pD3D;
+    m_IsD3D9DeviceAcceptableFunc = IsD3D9DeviceAcceptableFunc;
+    m_pIsD3D9DeviceAcceptableFuncUserContext = pIsD3D9DeviceAcceptableFuncUserContext;
+
+    HRESULT hr;
+    ClearAdapterInfoList();
+    CGrowableArray <D3DFORMAT> adapterFormatList;
+
+    const D3DFORMAT allowedAdapterFormatArray[] =
+    {
+        D3DFMT_X8R8G8B8,
+        D3DFMT_X1R5G5B5,
+        D3DFMT_R5G6B5,
+        D3DFMT_A2R10G10B10
+    };
+    const UINT allowedAdapterFormatArrayCount = sizeof( allowedAdapterFormatArray ) / sizeof
+        ( allowedAdapterFormatArray[0] );
+
+    UINT numAdapters = pD3D->GetAdapterCount();
+    for( UINT adapterOrdinal = 0; adapterOrdinal < numAdapters; adapterOrdinal++ )
+    {
+        CD3D9EnumAdapterInfo* pAdapterInfo = new CD3D9EnumAdapterInfo;
+        if( pAdapterInfo == NULL )
+            return E_OUTOFMEMORY;
+
+        pAdapterInfo->AdapterOrdinal = adapterOrdinal;
+        pD3D->GetAdapterIdentifier( adapterOrdinal, 0, &pAdapterInfo->AdapterIdentifier );
+
+        // Get list of all display modes on this adapter.  
+        // Also build a temporary list of all display adapter formats.
+        adapterFormatList.RemoveAll();
+
+        for( UINT iFormatList = 0; iFormatList < allowedAdapterFormatArrayCount; iFormatList++ )
+        {
+            D3DFORMAT allowedAdapterFormat = allowedAdapterFormatArray[iFormatList];
+            UINT numAdapterModes = pD3D->GetAdapterModeCount( adapterOrdinal, allowedAdapterFormat );
+            for( UINT mode = 0; mode < numAdapterModes; mode++ )
+            {
+                D3DDISPLAYMODE displayMode;
+                pD3D->EnumAdapterModes( adapterOrdinal, allowedAdapterFormat, mode, &displayMode );
+
+                if( displayMode.Width < m_nMinWidth ||
+                    displayMode.Height < m_nMinHeight ||
+                    displayMode.Width > m_nMaxWidth ||
+                    displayMode.Height > m_nMaxHeight ||
+                    displayMode.RefreshRate < m_nRefreshMin ||
+                    displayMode.RefreshRate > m_nRefreshMax )
+                {
+                    continue;
+                }
+
+                pAdapterInfo->displayModeList.Add( displayMode );
+
+                if( !adapterFormatList.Contains( displayMode.Format ) )
+                    adapterFormatList.Add( displayMode.Format );
+            }
+
+        }
+
+        D3DDISPLAYMODE displayMode;
+        pD3D->GetAdapterDisplayMode( adapterOrdinal, &displayMode );
+        if( !adapterFormatList.Contains( displayMode.Format ) )
+            adapterFormatList.Add( displayMode.Format );
+
+        // Sort displaymode list
+        qsort( pAdapterInfo->displayModeList.GetData(),
+               pAdapterInfo->displayModeList.GetSize(), sizeof( D3DDISPLAYMODE ),
+               SortModesCallback );
+
+        // Get info for each device on this adapter
+        if( FAILED( EnumerateDevices( pAdapterInfo, &adapterFormatList ) ) )
+        {
+            delete pAdapterInfo;
+            continue;
+        }
+
+        // If at least one device on this adapter is available and compatible
+        // with the app, add the adapterInfo to the list
+        if( pAdapterInfo->deviceInfoList.GetSize() > 0 )
+        {
+            hr = m_AdapterInfoList.Add( pAdapterInfo );
+            if( FAILED( hr ) )
+                return hr;
+        }
+        else
+            delete pAdapterInfo;
+    }
+
+    //
+    // Check for 2 or more adapters with the same name. Append the name
+    // with some instance number if that's the case to help distinguish
+    // them.
+    //
+    bool bUniqueDesc = true;
+    CD3D9EnumAdapterInfo* pAdapterInfo;
+    for( int i = 0; i < m_AdapterInfoList.GetSize(); i++ )
+    {
+        CD3D9EnumAdapterInfo* pAdapterInfo1 = m_AdapterInfoList.GetAt( i );
+
+        for( int j = i + 1; j < m_AdapterInfoList.GetSize(); j++ )
+        {
+            CD3D9EnumAdapterInfo* pAdapterInfo2 = m_AdapterInfoList.GetAt( j );
+            if( _stricmp( pAdapterInfo1->AdapterIdentifier.Description,
+                          pAdapterInfo2->AdapterIdentifier.Description ) == 0 )
+            {
+                bUniqueDesc = false;
+                break;
+            }
+        }
+
+        if( !bUniqueDesc )
+            break;
+    }
+
+    for( int i = 0; i < m_AdapterInfoList.GetSize(); i++ )
+    {
+        pAdapterInfo = m_AdapterInfoList.GetAt( i );
+
+        MultiByteToWideChar( CP_ACP, 0,
+                             pAdapterInfo->AdapterIdentifier.Description, -1,
+                             pAdapterInfo->szUniqueDescription, 100 );
+        pAdapterInfo->szUniqueDescription[100] = 0;
+
+        if( !bUniqueDesc )
+        {
+            WCHAR sz[100];
+            swprintf_s( sz, 100, L" (#%d)", pAdapterInfo->AdapterOrdinal );
+            wcscat_s( pAdapterInfo->szUniqueDescription, 256, sz );
+
+        }
+    }
+
+    return S_OK;
+}
+
+
+
+//--------------------------------------------------------------------------------------
+// Enumerates D3D devices for a particular adapter.
+//--------------------------------------------------------------------------------------
+HRESULT CD3D9Enumeration::EnumerateDevices( CD3D9EnumAdapterInfo* pAdapterInfo,
+                                            CGrowableArray <D3DFORMAT>* pAdapterFormatList )
+{
+    HRESULT hr;
+
+    const D3DDEVTYPE devTypeArray[] =
+    {
+        D3DDEVTYPE_HAL,
+        D3DDEVTYPE_SW,
+        D3DDEVTYPE_REF
+    };
+    const UINT devTypeArrayCount = sizeof( devTypeArray ) / sizeof( devTypeArray[0] );
+
+    // Enumerate each Direct3D device type
+    for( UINT iDeviceType = 0; iDeviceType < devTypeArrayCount; iDeviceType++ )
+    {
+        CD3D9EnumDeviceInfo* pDeviceInfo = new CD3D9EnumDeviceInfo;
+        if( pDeviceInfo == NULL )
+            return E_OUTOFMEMORY;
+
+        // Fill struct w/ AdapterOrdinal and D3DDEVTYPE
+        pDeviceInfo->AdapterOrdinal = pAdapterInfo->AdapterOrdinal;
+        pDeviceInfo->DeviceType = devTypeArray[iDeviceType];
+
+        // Store device caps
+        if( FAILED( hr = m_pD3D->GetDeviceCaps( pAdapterInfo->AdapterOrdinal, pDeviceInfo->DeviceType,
+                                                &pDeviceInfo->Caps ) ) )
+        {
+            delete pDeviceInfo;
+            continue;
+        }
+
+        if( pDeviceInfo->DeviceType != D3DDEVTYPE_HAL )
+        {
+            // Create a temp device to verify that it is really possible to create a REF device 
+            // [the developer DirectX redist has to be installed]
+            D3DDISPLAYMODE Mode;
+            m_pD3D->GetAdapterDisplayMode( 0, &Mode );
+            D3DPRESENT_PARAMETERS pp;
+            ZeroMemory( &pp, sizeof( D3DPRESENT_PARAMETERS ) );
+            pp.BackBufferWidth = 1;
+            pp.BackBufferHeight = 1;
+            pp.BackBufferFormat = Mode.Format;
+            pp.BackBufferCount = 1;
+            pp.SwapEffect = D3DSWAPEFFECT_COPY;
+            pp.Windowed = TRUE;
+            pp.hDeviceWindow = DXUTGetHWNDFocus();
+            IDirect3DDevice9* pDevice = NULL;
+            if( FAILED( hr = m_pD3D->CreateDevice( pAdapterInfo->AdapterOrdinal, pDeviceInfo->DeviceType,
+                                                   DXUTGetHWNDFocus(),
+                                                   D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_FPU_PRESERVE, &pp,
+                                                   &pDevice ) ) )
+            {
+                delete pDeviceInfo;
+                continue;
+            }
+            SAFE_RELEASE( pDevice );
+        }
+
+        // Get info for each devicecombo on this device
+        if( FAILED( hr = EnumerateDeviceCombos( pAdapterInfo, pDeviceInfo, pAdapterFormatList ) ) )
+        {
+            delete pDeviceInfo;
+            continue;
+        }
+
+        // If at least one devicecombo for this device is found, 
+        // add the deviceInfo to the list
+        if( pDeviceInfo->deviceSettingsComboList.GetSize() > 0 )
+            pAdapterInfo->deviceInfoList.Add( pDeviceInfo );
+        else
+            delete pDeviceInfo;
+    }
+
+    return S_OK;
+}
+
+
+
+//--------------------------------------------------------------------------------------
+// Enumerates DeviceCombos for a particular device.
+//--------------------------------------------------------------------------------------
+HRESULT CD3D9Enumeration::EnumerateDeviceCombos( CD3D9EnumAdapterInfo* pAdapterInfo, CD3D9EnumDeviceInfo* pDeviceInfo,
+                                                 CGrowableArray <D3DFORMAT>* pAdapterFormatList )
+{
+    const D3DFORMAT backBufferFormatArray[] =
+    {
+        D3DFMT_A8R8G8B8,
+        D3DFMT_X8R8G8B8,
+        D3DFMT_A2R10G10B10,
+        D3DFMT_R5G6B5,
+        D3DFMT_A1R5G5B5,
+        D3DFMT_X1R5G5B5
+    };
+    const UINT backBufferFormatArrayCount = sizeof( backBufferFormatArray ) / sizeof( backBufferFormatArray[0] );
+
+    // See which adapter formats are supported by this device
+    for( int iFormat = 0; iFormat < pAdapterFormatList->GetSize(); iFormat++ )
+    {
+        D3DFORMAT adapterFormat = pAdapterFormatList->GetAt( iFormat );
+
+        for( UINT iBackBufferFormat = 0; iBackBufferFormat < backBufferFormatArrayCount; iBackBufferFormat++ )
+        {
+            D3DFORMAT backBufferFormat = backBufferFormatArray[iBackBufferFormat];
+
+            for( int nWindowed = 0; nWindowed < 2; nWindowed++ )
+            {
+                if( !nWindowed && pAdapterInfo->displayModeList.GetSize() == 0 )
+                    continue;
+
+                if( FAILED( m_pD3D->CheckDeviceType( pAdapterInfo->AdapterOrdinal, pDeviceInfo->DeviceType,
+                                                     adapterFormat, backBufferFormat, nWindowed ) ) )
+                {
+                    continue;
+                }
+
+                if( m_bRequirePostPixelShaderBlending )
+                {
+                    // If the backbuffer format doesn't support D3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING
+                    // then alpha test, pixel fog, render-target blending, color write enable, and dithering. 
+                    // are not supported.
+                    if( FAILED( m_pD3D->CheckDeviceFormat( pAdapterInfo->AdapterOrdinal, pDeviceInfo->DeviceType,
+                                                           adapterFormat, D3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING,
+                                                           D3DRTYPE_TEXTURE, backBufferFormat ) ) )
+                    {
+                        continue;
+                    }
+                }
+
+                // If an application callback function has been provided, make sure this device
+                // is acceptable to the app.
+                if( m_IsD3D9DeviceAcceptableFunc != NULL )
+                {
+                    if( !m_IsD3D9DeviceAcceptableFunc( &pDeviceInfo->Caps, adapterFormat, backBufferFormat,
+                                                       FALSE != nWindowed, m_pIsD3D9DeviceAcceptableFuncUserContext ) )
+                        continue;
+                }
+
+                // At this point, we have an adapter/device/adapterformat/backbufferformat/iswindowed
+                // DeviceCombo that is supported by the system and acceptable to the app. We still 
+                // need to find one or more suitable depth/stencil buffer format,
+                // multisample type, and present interval.
+                CD3D9EnumDeviceSettingsCombo* pDeviceCombo = new CD3D9EnumDeviceSettingsCombo;
+                if( pDeviceCombo == NULL )
+                    return E_OUTOFMEMORY;
+
+                pDeviceCombo->AdapterOrdinal = pAdapterInfo->AdapterOrdinal;
+                pDeviceCombo->DeviceType = pDeviceInfo->DeviceType;
+                pDeviceCombo->AdapterFormat = adapterFormat;
+                pDeviceCombo->BackBufferFormat = backBufferFormat;
+                pDeviceCombo->Windowed = ( nWindowed != 0 );
+
+                BuildDepthStencilFormatList( pDeviceCombo );
+                BuildMultiSampleTypeList( pDeviceCombo );
+                if( pDeviceCombo->multiSampleTypeList.GetSize() == 0 )
+                {
+                    delete pDeviceCombo;
+                    continue;
+                }
+                BuildDSMSConflictList( pDeviceCombo );
+                BuildPresentIntervalList( pDeviceInfo, pDeviceCombo );
+                pDeviceCombo->pAdapterInfo = pAdapterInfo;
+                pDeviceCombo->pDeviceInfo = pDeviceInfo;
+
+                if( FAILED( pDeviceInfo->deviceSettingsComboList.Add( pDeviceCombo ) ) )
+                    delete pDeviceCombo;
+            }
+        }
+    }
+
+    return S_OK;
+}
+
+
+
+//--------------------------------------------------------------------------------------
+// Adds all depth/stencil formats that are compatible with the device 
+//       and app to the given D3DDeviceCombo.
+//--------------------------------------------------------------------------------------
+void CD3D9Enumeration::BuildDepthStencilFormatList( CD3D9EnumDeviceSettingsCombo* pDeviceCombo )
+{
+    D3DFORMAT depthStencilFmt;
+    for( int idsf = 0; idsf < m_DepthStencilPossibleList.GetSize(); idsf++ )
+    {
+        depthStencilFmt = m_DepthStencilPossibleList.GetAt( idsf );
+        if( SUCCEEDED( m_pD3D->CheckDeviceFormat( pDeviceCombo->AdapterOrdinal,
+                                                  pDeviceCombo->DeviceType, pDeviceCombo->AdapterFormat,
+                                                  D3DUSAGE_DEPTHSTENCIL, D3DRTYPE_SURFACE, depthStencilFmt ) ) )
+        {
+            if( SUCCEEDED( m_pD3D->CheckDepthStencilMatch( pDeviceCombo->AdapterOrdinal,
+                                                           pDeviceCombo->DeviceType, pDeviceCombo->AdapterFormat,
+                                                           pDeviceCombo->BackBufferFormat, depthStencilFmt ) ) )
+            {
+                pDeviceCombo->depthStencilFormatList.Add( depthStencilFmt );
+            }
+        }
+    }
+}
+
+
+
+
+//--------------------------------------------------------------------------------------
+// Adds all multisample types that are compatible with the device and app to
+//       the given D3DDeviceCombo.
+//--------------------------------------------------------------------------------------
+void CD3D9Enumeration::BuildMultiSampleTypeList( CD3D9EnumDeviceSettingsCombo* pDeviceCombo )
+{
+    D3DMULTISAMPLE_TYPE msType;
+    DWORD msQuality;
+    for( int imst = 0; imst < m_MultiSampleTypeList.GetSize(); imst++ )
+    {
+        msType = m_MultiSampleTypeList.GetAt( imst );
+        if( SUCCEEDED( m_pD3D->CheckDeviceMultiSampleType( pDeviceCombo->AdapterOrdinal,
+                                                           pDeviceCombo->DeviceType, pDeviceCombo->BackBufferFormat,
+                                                           pDeviceCombo->Windowed, msType, &msQuality ) ) )
+        {
+            pDeviceCombo->multiSampleTypeList.Add( msType );
+            if( msQuality > m_nMultisampleQualityMax + 1 )
+                msQuality = m_nMultisampleQualityMax + 1;
+            pDeviceCombo->multiSampleQualityList.Add( msQuality );
+        }
+    }
+}
+
+
+
+
+//--------------------------------------------------------------------------------------
+// Find any conflicts between the available depth/stencil formats and
+//       multisample types.
+//--------------------------------------------------------------------------------------
+void CD3D9Enumeration::BuildDSMSConflictList( CD3D9EnumDeviceSettingsCombo* pDeviceCombo )
+{
+    CD3D9EnumDSMSConflict DSMSConflict;
+
+    for( int iDS = 0; iDS < pDeviceCombo->depthStencilFormatList.GetSize(); iDS++ )
+    {
+        D3DFORMAT dsFmt = pDeviceCombo->depthStencilFormatList.GetAt( iDS );
+
+        for( int iMS = 0; iMS < pDeviceCombo->multiSampleTypeList.GetSize(); iMS++ )
+        {
+            D3DMULTISAMPLE_TYPE msType = pDeviceCombo->multiSampleTypeList.GetAt( iMS );
+
+            if( FAILED( m_pD3D->CheckDeviceMultiSampleType( pDeviceCombo->AdapterOrdinal, pDeviceCombo->DeviceType,
+                                                            dsFmt, pDeviceCombo->Windowed, msType, NULL ) ) )
+            {
+                DSMSConflict.DSFormat = dsFmt;
+                DSMSConflict.MSType = msType;
+                pDeviceCombo->DSMSConflictList.Add( DSMSConflict );
+            }
+        }
+    }
+}
+
+
+//--------------------------------------------------------------------------------------
+// Adds all present intervals that are compatible with the device and app 
+//       to the given D3DDeviceCombo.
+//--------------------------------------------------------------------------------------
+void CD3D9Enumeration::BuildPresentIntervalList( CD3D9EnumDeviceInfo* pDeviceInfo,
+                                                 CD3D9EnumDeviceSettingsCombo* pDeviceCombo )
+{
+    UINT pi;
+    for( int ipi = 0; ipi < m_PresentIntervalList.GetSize(); ipi++ )
+    {
+        pi = m_PresentIntervalList.GetAt( ipi );
+        if( pDeviceCombo->Windowed )
+        {
+            if( pi == D3DPRESENT_INTERVAL_TWO ||
+                pi == D3DPRESENT_INTERVAL_THREE ||
+                pi == D3DPRESENT_INTERVAL_FOUR )
+            {
+                // These intervals are not supported in windowed mode.
+                continue;
+            }
+        }
+        // Note that D3DPRESENT_INTERVAL_DEFAULT is zero, so you
+        // can't do a caps check for it -- it is always available.
+        if( pi == D3DPRESENT_INTERVAL_DEFAULT ||
+            ( pDeviceInfo->Caps.PresentationIntervals & pi ) )
+        {
+            pDeviceCombo->presentIntervalList.Add( pi );
+        }
+    }
+}
+
+
+
+//--------------------------------------------------------------------------------------
+// Release all the allocated CD3D9EnumAdapterInfo objects and empty the list
+//--------------------------------------------------------------------------------------
+void CD3D9Enumeration::ClearAdapterInfoList()
+{
+    CD3D9EnumAdapterInfo* pAdapterInfo;
+    for( int i = 0; i < m_AdapterInfoList.GetSize(); i++ )
+    {
+        pAdapterInfo = m_AdapterInfoList.GetAt( i );
+        delete pAdapterInfo;
+    }
+
+    m_AdapterInfoList.RemoveAll();
+}
+
+
+
+//--------------------------------------------------------------------------------------
+// Call GetAdapterInfoList() after Enumerate() to get a STL vector of 
+//       CD3D9EnumAdapterInfo* 
+//--------------------------------------------------------------------------------------
+CGrowableArray <CD3D9EnumAdapterInfo*>* CD3D9Enumeration::GetAdapterInfoList()
+{
+    return &m_AdapterInfoList;
+}
+
+
+
+//--------------------------------------------------------------------------------------
+CD3D9EnumAdapterInfo* CD3D9Enumeration::GetAdapterInfo( UINT AdapterOrdinal )
+{
+    for( int iAdapter = 0; iAdapter < m_AdapterInfoList.GetSize(); iAdapter++ )
+    {
+        CD3D9EnumAdapterInfo* pAdapterInfo = m_AdapterInfoList.GetAt( iAdapter );
+        if( pAdapterInfo->AdapterOrdinal == AdapterOrdinal )
+            return pAdapterInfo;
+    }
+
+    return NULL;
+}
+
+
+//--------------------------------------------------------------------------------------
+CD3D9EnumDeviceInfo* CD3D9Enumeration::GetDeviceInfo( UINT AdapterOrdinal, D3DDEVTYPE DeviceType )
+{
+    CD3D9EnumAdapterInfo* pAdapterInfo = GetAdapterInfo( AdapterOrdinal );
+    if( pAdapterInfo )
+    {
+        for( int iDeviceInfo = 0; iDeviceInfo < pAdapterInfo->deviceInfoList.GetSize(); iDeviceInfo++ )
+        {
+            CD3D9EnumDeviceInfo* pDeviceInfo = pAdapterInfo->deviceInfoList.GetAt( iDeviceInfo );
+            if( pDeviceInfo->DeviceType == DeviceType )
+                return pDeviceInfo;
+        }
+    }
+
+    return NULL;
+}
+
+
+//--------------------------------------------------------------------------------------
+// 
+//--------------------------------------------------------------------------------------
+CD3D9EnumDeviceSettingsCombo* CD3D9Enumeration::GetDeviceSettingsCombo( UINT AdapterOrdinal, D3DDEVTYPE DeviceType,
+                                                                        D3DFORMAT AdapterFormat,
+                                                                        D3DFORMAT BackBufferFormat, BOOL bWindowed )
+{
+    CD3D9EnumDeviceInfo* pDeviceInfo = GetDeviceInfo( AdapterOrdinal, DeviceType );
+    if( pDeviceInfo )
+    {
+        for( int iDeviceCombo = 0; iDeviceCombo < pDeviceInfo->deviceSettingsComboList.GetSize(); iDeviceCombo++ )
+        {
+            CD3D9EnumDeviceSettingsCombo* pDeviceSettingsCombo = pDeviceInfo->deviceSettingsComboList.GetAt(
+                iDeviceCombo );
+            if( pDeviceSettingsCombo->AdapterFormat == AdapterFormat &&
+                pDeviceSettingsCombo->BackBufferFormat == BackBufferFormat &&
+                pDeviceSettingsCombo->Windowed == bWindowed )
+                return pDeviceSettingsCombo;
+        }
+    }
+
+    return NULL;
+}
+
+
+//--------------------------------------------------------------------------------------
+// Returns the number of color channel bits in the specified D3DFORMAT
+//--------------------------------------------------------------------------------------
+UINT WINAPI DXUTGetD3D9ColorChannelBits( D3DFORMAT fmt )
+{
+    switch( fmt )
+    {
+        case D3DFMT_R8G8B8:
+            return 8;
+        case D3DFMT_A8R8G8B8:
+            return 8;
+        case D3DFMT_X8R8G8B8:
+            return 8;
+        case D3DFMT_R5G6B5:
+            return 5;
+        case D3DFMT_X1R5G5B5:
+            return 5;
+        case D3DFMT_A1R5G5B5:
+            return 5;
+        case D3DFMT_A4R4G4B4:
+            return 4;
+        case D3DFMT_R3G3B2:
+            return 2;
+        case D3DFMT_A8R3G3B2:
+            return 2;
+        case D3DFMT_X4R4G4B4:
+            return 4;
+        case D3DFMT_A2B10G10R10:
+            return 10;
+        case D3DFMT_A8B8G8R8:
+            return 8;
+        case D3DFMT_A2R10G10B10:
+            return 10;
+        case D3DFMT_A16B16G16R16:
+            return 16;
+        default:
+            return 0;
+    }
+}
+
+
+//--------------------------------------------------------------------------------------
+// Returns the number of alpha channel bits in the specified D3DFORMAT
+//--------------------------------------------------------------------------------------
+UINT WINAPI DXUTGetAlphaChannelBits( D3DFORMAT fmt )
+{
+    switch( fmt )
+    {
+        case D3DFMT_R8G8B8:
+            return 0;
+        case D3DFMT_A8R8G8B8:
+            return 8;
+        case D3DFMT_X8R8G8B8:
+            return 0;
+        case D3DFMT_R5G6B5:
+            return 0;
+        case D3DFMT_X1R5G5B5:
+            return 0;
+        case D3DFMT_A1R5G5B5:
+            return 1;
+        case D3DFMT_A4R4G4B4:
+            return 4;
+        case D3DFMT_R3G3B2:
+            return 0;
+        case D3DFMT_A8R3G3B2:
+            return 8;
+        case D3DFMT_X4R4G4B4:
+            return 0;
+        case D3DFMT_A2B10G10R10:
+            return 2;
+        case D3DFMT_A8B8G8R8:
+            return 8;
+        case D3DFMT_A2R10G10B10:
+            return 2;
+        case D3DFMT_A16B16G16R16:
+            return 16;
+        default:
+            return 0;
+    }
+}
+
+
+//--------------------------------------------------------------------------------------
+// Returns the number of depth bits in the specified D3DFORMAT
+//--------------------------------------------------------------------------------------
+UINT WINAPI DXUTGetDepthBits( D3DFORMAT fmt )
+{
+    switch( fmt )
+    {
+        case D3DFMT_D32F_LOCKABLE:
+        case D3DFMT_D32:
+            return 32;
+
+        case D3DFMT_D24X8:
+        case D3DFMT_D24S8:
+        case D3DFMT_D24X4S4:
+        case D3DFMT_D24FS8:
+            return 24;
+
+        case D3DFMT_D16_LOCKABLE:
+        case D3DFMT_D16:
+            return 16;
+
+        case D3DFMT_D15S1:
+            return 15;
+
+        default:
+            return 0;
+    }
+}
+
+
+
+
+//--------------------------------------------------------------------------------------
+// Returns the number of stencil bits in the specified D3DFORMAT
+//--------------------------------------------------------------------------------------
+UINT WINAPI DXUTGetStencilBits( D3DFORMAT fmt )
+{
+    switch( fmt )
+    {
+        case D3DFMT_D16_LOCKABLE:
+        case D3DFMT_D16:
+        case D3DFMT_D32F_LOCKABLE:
+        case D3DFMT_D32:
+        case D3DFMT_D24X8:
+            return 0;
+
+        case D3DFMT_D15S1:
+            return 1;
+
+        case D3DFMT_D24X4S4:
+            return 4;
+
+        case D3DFMT_D24S8:
+        case D3DFMT_D24FS8:
+            return 8;
+
+        default:
+            return 0;
+    }
+}
+
+
+
+//--------------------------------------------------------------------------------------
+// Used to sort D3DDISPLAYMODEs
+//--------------------------------------------------------------------------------------
+static int __cdecl SortModesCallback( const void* arg1, const void* arg2 )
+{
+    D3DDISPLAYMODE* pdm1 = ( D3DDISPLAYMODE* )arg1;
+    D3DDISPLAYMODE* pdm2 = ( D3DDISPLAYMODE* )arg2;
+
+    if( pdm1->Width > pdm2->Width )
+        return 1;
+    if( pdm1->Width < pdm2->Width )
+        return -1;
+    if( pdm1->Height > pdm2->Height )
+        return 1;
+    if( pdm1->Height < pdm2->Height )
+        return -1;
+    if( pdm1->Format > pdm2->Format )
+        return 1;
+    if( pdm1->Format < pdm2->Format )
+        return -1;
+    if( pdm1->RefreshRate > pdm2->RefreshRate )
+        return 1;
+    if( pdm1->RefreshRate < pdm2->RefreshRate )
+        return -1;
+    return 0;
+}
+
+
+
+//--------------------------------------------------------------------------------------
+CD3D9EnumAdapterInfo::~CD3D9EnumAdapterInfo( void )
+{
+    CD3D9EnumDeviceInfo* pDeviceInfo;
+    for( int i = 0; i < deviceInfoList.GetSize(); i++ )
+    {
+        pDeviceInfo = deviceInfoList.GetAt( i );
+        delete pDeviceInfo;
+    }
+    deviceInfoList.RemoveAll();
+}
+
+
+
+
+//--------------------------------------------------------------------------------------
+CD3D9EnumDeviceInfo::~CD3D9EnumDeviceInfo( void )
+{
+    CD3D9EnumDeviceSettingsCombo* pDeviceCombo;
+    for( int i = 0; i < deviceSettingsComboList.GetSize(); i++ )
+    {
+        pDeviceCombo = deviceSettingsComboList.GetAt( i );
+        delete pDeviceCombo;
+    }
+    deviceSettingsComboList.RemoveAll();
+}
+
+
+//--------------------------------------------------------------------------------------
+void CD3D9Enumeration::ResetPossibleDepthStencilFormats()
+{
+    m_DepthStencilPossibleList.RemoveAll();
+    m_DepthStencilPossibleList.Add( D3DFMT_D16 );
+    m_DepthStencilPossibleList.Add( D3DFMT_D15S1 );
+    m_DepthStencilPossibleList.Add( D3DFMT_D24X8 );
+    m_DepthStencilPossibleList.Add( D3DFMT_D24S8 );
+    m_DepthStencilPossibleList.Add( D3DFMT_D24X4S4 );
+    m_DepthStencilPossibleList.Add( D3DFMT_D32 );
+}
+
+
+//--------------------------------------------------------------------------------------
+CGrowableArray <D3DFORMAT>* CD3D9Enumeration::GetPossibleDepthStencilFormatList()
+{
+    return &m_DepthStencilPossibleList;
+}
+
+
+//--------------------------------------------------------------------------------------
+CGrowableArray <D3DMULTISAMPLE_TYPE>* CD3D9Enumeration::GetPossibleMultisampleTypeList()
+{
+    return &m_MultiSampleTypeList;
+}
+
+
+//--------------------------------------------------------------------------------------
+void CD3D9Enumeration::ResetPossibleMultisampleTypeList()
+{
+    m_MultiSampleTypeList.RemoveAll();
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_NONE );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_NONMASKABLE );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_2_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_3_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_4_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_5_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_6_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_7_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_8_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_9_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_10_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_11_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_12_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_13_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_14_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_15_SAMPLES );
+    m_MultiSampleTypeList.Add( D3DMULTISAMPLE_16_SAMPLES );
+}
+
+
+//--------------------------------------------------------------------------------------
+void CD3D9Enumeration::GetPossibleVertexProcessingList( bool* pbSoftwareVP, bool* pbHardwareVP, bool* pbPureHarewareVP,
+                                                        bool* pbMixedVP )
+{
+    *pbSoftwareVP = m_bSoftwareVP;
+    *pbHardwareVP = m_bHardwareVP;
+    *pbPureHarewareVP = m_bPureHarewareVP;
+    *pbMixedVP = m_bMixedVP;
+}
+
+
+//--------------------------------------------------------------------------------------
+void CD3D9Enumeration::SetPossibleVertexProcessingList( bool bSoftwareVP, bool bHardwareVP, bool bPureHarewareVP,
+                                                        bool bMixedVP )
+{
+    m_bSoftwareVP = bSoftwareVP;
+    m_bHardwareVP = bHardwareVP;
+    m_bPureHarewareVP = bPureHarewareVP;
+    m_bMixedVP = bMixedVP;
+}
+
+
+//--------------------------------------------------------------------------------------
+CGrowableArray <UINT>* CD3D9Enumeration::GetPossiblePresentIntervalList()
+{
+    return &m_PresentIntervalList;
+}
+
+
+//--------------------------------------------------------------------------------------
+void CD3D9Enumeration::ResetPossiblePresentIntervalList()
+{
+    m_PresentIntervalList.RemoveAll();
+    m_PresentIntervalList.Add( D3DPRESENT_INTERVAL_IMMEDIATE );
+    m_PresentIntervalList.Add( D3DPRESENT_INTERVAL_DEFAULT );
+    m_PresentIntervalList.Add( D3DPRESENT_INTERVAL_ONE );
+    m_PresentIntervalList.Add( D3DPRESENT_INTERVAL_TWO );
+    m_PresentIntervalList.Add( D3DPRESENT_INTERVAL_THREE );
+    m_PresentIntervalList.Add( D3DPRESENT_INTERVAL_FOUR );
+}
+
+
+//--------------------------------------------------------------------------------------
+void CD3D9Enumeration::SetResolutionMinMax( UINT nMinWidth, UINT nMinHeight,
+                                            UINT nMaxWidth, UINT nMaxHeight )
+{
+    m_nMinWidth = nMinWidth;
+    m_nMinHeight = nMinHeight;
+    m_nMaxWidth = nMaxWidth;
+    m_nMaxHeight = nMaxHeight;
+}
+
+
+//--------------------------------------------------------------------------------------
+void CD3D9Enumeration::SetRefreshMinMax( UINT nMin, UINT nMax )
+{
+    m_nRefreshMin = nMin;
+    m_nRefreshMax = nMax;
+}
+
+
+//--------------------------------------------------------------------------------------
+void CD3D9Enumeration::SetMultisampleQualityMax( UINT nMax )
+{
+    if( nMax > 0xFFFF )
+        nMax = 0xFFFF;
+    m_nMultisampleQualityMax = nMax;
+}
+
+
+
+//--------------------------------------------------------------------------------------
+// Returns a ranking number that describes how closely this device 
+// combo matches the optimal combo based on the match options and the optimal device settings
+//--------------------------------------------------------------------------------------
+float DXUTRankD3D9DeviceCombo( CD3D9EnumDeviceSettingsCombo* pDeviceSettingsCombo,
+                               DXUTD3D9DeviceSettings* pOptimalDeviceSettings,
+                               D3DDISPLAYMODE* pAdapterDesktopDisplayMode, 
+                               int &bestModeIndex,
+                               int &bestMSAAIndex
+                               )
+{
+    float fCurRanking = 0.0f;
+
+    // Arbitrary weights.  Gives preference to the ordinal, device type, and windowed
+    const float fAdapterOrdinalWeight   = 1000.0f;
+    const float fDeviceTypeWeight       = 100.0f;
+    const float fWindowWeight           = 10.0f;
+    const float fAdapterFormatWeight    = 1.0f;
+    const float fVertexProcessingWeight = 1.0f;
+    const float fResolutionWeight       = 1.0f;
+    const float fBackBufferFormatWeight = 1.0f;
+    const float fMultiSampleWeight      = 1.0f;
+    const float fDepthStencilWeight     = 1.0f;
+    const float fRefreshRateWeight      = 1.0f;
+    const float fPresentIntervalWeight  = 1.0f;
+
+    //---------------------
+    // Adapter ordinal
+    //---------------------
+    if( pDeviceSettingsCombo->AdapterOrdinal == pOptimalDeviceSettings->AdapterOrdinal )
+        fCurRanking += fAdapterOrdinalWeight;
+
+    //---------------------
+    // Device type
+    //---------------------
+    if( pDeviceSettingsCombo->DeviceType == pOptimalDeviceSettings->DeviceType )
+        fCurRanking += fDeviceTypeWeight;
+    // Slightly prefer HAL 
+    if( pDeviceSettingsCombo->DeviceType == D3DDEVTYPE_HAL )
+        fCurRanking += 0.1f;
+
+    //---------------------
+    // Windowed
+    //---------------------
+    if( pDeviceSettingsCombo->Windowed == pOptimalDeviceSettings->pp.Windowed )
+        fCurRanking += fWindowWeight;
+
+    //---------------------
+    // Adapter format
+    //---------------------
+    if( pDeviceSettingsCombo->AdapterFormat == pOptimalDeviceSettings->AdapterFormat )
+    {
+        fCurRanking += fAdapterFormatWeight;
+    }
+    else
+    {
+        int nBitDepthDelta = abs( ( long )DXUTGetD3D9ColorChannelBits( pDeviceSettingsCombo->AdapterFormat ) -
+                                  ( long )DXUTGetD3D9ColorChannelBits( pOptimalDeviceSettings->AdapterFormat ) );
+        float fScale = __max( 0.9f - ( float )nBitDepthDelta * 0.2f, 0.0f );
+        fCurRanking += fScale * fAdapterFormatWeight;
+    }
+
+    if( !pDeviceSettingsCombo->Windowed )
+    {
+        // Slightly prefer when it matches the desktop format or is D3DFMT_X8R8G8B8
+        bool bAdapterOptimalMatch;
+        if( DXUTGetD3D9ColorChannelBits( pAdapterDesktopDisplayMode->Format ) >= 8 )
+            bAdapterOptimalMatch = ( pDeviceSettingsCombo->AdapterFormat == pAdapterDesktopDisplayMode->Format );
+        else
+            bAdapterOptimalMatch = ( pDeviceSettingsCombo->AdapterFormat == D3DFMT_X8R8G8B8 );
+
+        if( bAdapterOptimalMatch )
+            fCurRanking += 0.1f;
+    }
+
+    //---------------------
+    // Vertex processing
+    //---------------------
+    if( ( pOptimalDeviceSettings->BehaviorFlags & D3DCREATE_HARDWARE_VERTEXPROCESSING ) != 0 ||
+        ( pOptimalDeviceSettings->BehaviorFlags & D3DCREATE_MIXED_VERTEXPROCESSING ) != 0 )
+    {
+        if( ( pDeviceSettingsCombo->pDeviceInfo->Caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT ) != 0 )
+            fCurRanking += fVertexProcessingWeight;
+    }
+    // Slightly prefer HW T&L
+    if( ( pDeviceSettingsCombo->pDeviceInfo->Caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT ) != 0 )
+        fCurRanking += 0.1f;
+
+    //---------------------
+    // Resolution
+    //---------------------
+    bool bResolutionFound = false;
+    unsigned int best = 0xffffffff;
+    bestModeIndex=0;
+
+
+
+
+
+    for( int idm = 0; idm < pDeviceSettingsCombo->pAdapterInfo->displayModeList.GetSize(); idm++ )
+    {
+        D3DDISPLAYMODE displayMode = pDeviceSettingsCombo->pAdapterInfo->displayModeList.GetAt( idm );
+        if( displayMode.Format != pDeviceSettingsCombo->AdapterFormat )
+            continue;
+        if( displayMode.Width == pOptimalDeviceSettings->pp.BackBufferWidth &&
+            displayMode.Height == pOptimalDeviceSettings->pp.BackBufferHeight )
+            bResolutionFound = true;
+
+        unsigned int current = 
+            (UINT) abs ((int)displayMode.Width  - (int)pOptimalDeviceSettings->pp.BackBufferWidth) + 
+            (UINT) abs ((int)displayMode.Height - (int)pOptimalDeviceSettings->pp.BackBufferHeight );
+        if (current < best) {
+            best = current;
+            bestModeIndex= idm;
+
+        }
+
+
+    }
+    if( bResolutionFound )
+        fCurRanking += fResolutionWeight;
+
+    //---------------------
+    // Back buffer format
+    //---------------------
+    if( pDeviceSettingsCombo->BackBufferFormat == pOptimalDeviceSettings->pp.BackBufferFormat )
+    {
+        fCurRanking += fBackBufferFormatWeight;
+    }
+    else
+    {
+        int nBitDepthDelta = abs( ( long )DXUTGetD3D9ColorChannelBits( pDeviceSettingsCombo->BackBufferFormat ) -
+                                  ( long )DXUTGetD3D9ColorChannelBits( pOptimalDeviceSettings->pp.BackBufferFormat ) );
+        float fScale = __max( 0.9f - ( float )nBitDepthDelta * 0.2f, 0.0f );
+        fCurRanking += fScale * fBackBufferFormatWeight;
+    }
+
+    // Check if this back buffer format is the same as 
+    // the adapter format since this is preferred.
+    bool bAdapterMatchesBB = ( pDeviceSettingsCombo->BackBufferFormat == pDeviceSettingsCombo->AdapterFormat );
+    if( bAdapterMatchesBB )
+        fCurRanking += 0.1f;
+
+    //---------------------
+    // Back buffer count
+    //---------------------
+    // No caps for the back buffer count
+
+    //---------------------
+    // Multisample
+    //---------------------
+    bool bMultiSampleFound = false;
+    for( int i = 0; i < pDeviceSettingsCombo->multiSampleTypeList.GetSize(); i++ )
+    {
+        D3DMULTISAMPLE_TYPE msType = pDeviceSettingsCombo->multiSampleTypeList.GetAt( i );
+        DWORD msQuality = pDeviceSettingsCombo->multiSampleQualityList.GetAt( i );
+
+        if( msType == pOptimalDeviceSettings->pp.MultiSampleType &&
+            msQuality > pOptimalDeviceSettings->pp.MultiSampleQuality )
+        {
+            bMultiSampleFound = true;
+            bestMSAAIndex = i;
+            break;
+        }
+    }
+    if( bMultiSampleFound )
+        fCurRanking += fMultiSampleWeight;
+
+    //---------------------
+    // Swap effect
+    //---------------------
+    // No caps for swap effects
+
+    //---------------------
+    // Depth stencil 
+    //---------------------
+    if( pDeviceSettingsCombo->depthStencilFormatList.Contains( pOptimalDeviceSettings->pp.AutoDepthStencilFormat ) )
+        fCurRanking += fDepthStencilWeight;
+
+    //---------------------
+    // Present flags
+    //---------------------
+    // No caps for the present flags
+
+    //---------------------
+    // Refresh rate
+    //---------------------
+    bool bRefreshFound = false;
+    for( int idm = 0; idm < pDeviceSettingsCombo->pAdapterInfo->displayModeList.GetSize(); idm++ )
+    {
+        D3DDISPLAYMODE displayMode = pDeviceSettingsCombo->pAdapterInfo->displayModeList.GetAt( idm );
+        if( displayMode.Format != pDeviceSettingsCombo->AdapterFormat )
+            continue;
+        if( displayMode.RefreshRate == pOptimalDeviceSettings->pp.FullScreen_RefreshRateInHz )
+            bRefreshFound = true;
+    }
+    if( bRefreshFound )
+        fCurRanking += fRefreshRateWeight;
+
+    //---------------------
+    // Present interval
+    //---------------------
+    // If keep present interval then check that the present interval is supported by this combo
+    if( pDeviceSettingsCombo->presentIntervalList.Contains( pOptimalDeviceSettings->pp.PresentationInterval ) )
+        fCurRanking += fPresentIntervalWeight;
+
+    return fCurRanking;
+}
+