www.pudn.com > XFileLoadingCode.zip > DXUTenum.cpp


//-------------------------------------------------------------------------------------- 
// File: DXUTEnum.cpp 
// 
// Enumerates D3D adapters, devices, modes, etc. 
// 
// Copyright (c) Microsoft Corporation. All rights reserved. 
//-------------------------------------------------------------------------------------- 
#include "dxstdafx.h" 
#undef min // use __min instead 
#undef max // use __max instead 
 
 
//-------------------------------------------------------------------------------------- 
// Forward declarations 
//-------------------------------------------------------------------------------------- 
static int __cdecl SortModesCallback( const void* arg1, const void* arg2 ); 
UINT DXUTStencilBits( D3DFORMAT fmt ); 
UINT DXUTDepthBits( D3DFORMAT fmt ); 
UINT DXUTAlphaChannelBits( D3DFORMAT fmt ); 
UINT DXUTColorChannelBits( D3DFORMAT fmt ); 
CD3DEnumeration* DXUTGetEnumeration() 
{ 
    // Using an accessor function gives control of the construction order 
    static CD3DEnumeration d3denum; 
    return &d3denum; 
} 
 
 
//-------------------------------------------------------------------------------------- 
CD3DEnumeration::CD3DEnumeration() 
{ 
    m_pD3D = NULL; 
    m_IsDeviceAcceptableFunc = NULL; 
    m_pIsDeviceAcceptableFuncUserContext = NULL; 
    m_bRequirePostPixelShaderBlending = true; 
 
    m_nMinWidth = 0; 
    m_nMinHeight = 0; 
    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 ); 
} 
 
 
//-------------------------------------------------------------------------------------- 
CD3DEnumeration::~CD3DEnumeration() 
{ 
    ClearAdapterInfoList(); 
} 
 
 
 
//-------------------------------------------------------------------------------------- 
// Enumerates available D3D adapters, devices, modes, etc. 
//-------------------------------------------------------------------------------------- 
HRESULT CD3DEnumeration::Enumerate( IDirect3D9* pD3D, 
                                    LPDXUTCALLBACKISDEVICEACCEPTABLE IsDeviceAcceptableFunc, 
                                    void* pIsDeviceAcceptableFuncUserContext ) 
{ 
    if( pD3D == NULL ) 
    { 
        pD3D = DXUTGetD3DObject(); 
        if( pD3D == NULL ) 
            return DXUTERR_NODIRECT3D; 
    } 
 
    m_pD3D = pD3D; 
    m_IsDeviceAcceptableFunc = IsDeviceAcceptableFunc; 
    m_pIsDeviceAcceptableFuncUserContext = pIsDeviceAcceptableFuncUserContext; 
 
    HRESULT hr; 
    ClearAdapterInfoList(); 
    CGrowableArray 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++) 
    { 
        CD3DEnumAdapterInfo* pAdapterInfo = new CD3DEnumAdapterInfo; 
        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; 
    } 
 
    bool bUniqueDesc = true; 
    CD3DEnumAdapterInfo* pAdapterInfo; 
    for( int i=0; iAdapterIdentifier.Description,  
                          pAdapterInfo2->AdapterIdentifier.Description ) == 0 ) 
            { 
                bUniqueDesc = false; 
                break; 
            } 
        } 
 
        if( !bUniqueDesc ) 
            break; 
    } 
 
    for( int i=0; iAdapterIdentifier.Description, -1,  
                             pAdapterInfo->szUniqueDescription, 100 ); 
        pAdapterInfo->szUniqueDescription[100] = 0; 
 
        if( !bUniqueDesc ) 
        { 
            WCHAR sz[100]; 
            StringCchPrintf( sz, 100, L" (#%d)", pAdapterInfo->AdapterOrdinal ); 
            StringCchCat( pAdapterInfo->szUniqueDescription, 256, sz ); 
 
        } 
    } 
 
    return S_OK; 
} 
 
 
 
//-------------------------------------------------------------------------------------- 
// Enumerates D3D devices for a particular adapter. 
//-------------------------------------------------------------------------------------- 
HRESULT CD3DEnumeration::EnumerateDevices( CD3DEnumAdapterInfo* pAdapterInfo, CGrowableArray* 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++ ) 
    { 
        CD3DEnumDeviceInfo* pDeviceInfo = new CD3DEnumDeviceInfo; 
        if( pDeviceInfo == NULL ) 
            return E_OUTOFMEMORY; 
 
        // Fill struct w/ AdapterOrdinal and D3DDEVTYPE 
        pDeviceInfo->DeviceType = devTypeArray[iDeviceType]; 
 
        // Store device caps 
        if( FAILED( hr = m_pD3D->GetDeviceCaps( pAdapterInfo->AdapterOrdinal, pDeviceInfo->DeviceType,  
                                              &pDeviceInfo->Caps ) ) ) 
        { 
            delete pDeviceInfo; 
            continue; 
        } 
 
        // 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 CD3DEnumeration::EnumerateDeviceCombos( CD3DEnumAdapterInfo* pAdapterInfo, CD3DEnumDeviceInfo* pDeviceInfo, CGrowableArray* 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; iFormatGetSize(); 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_IsDeviceAcceptableFunc != NULL ) 
                { 
                    if( !m_IsDeviceAcceptableFunc( &pDeviceInfo->Caps, adapterFormat, backBufferFormat, FALSE != nWindowed, m_pIsDeviceAcceptableFuncUserContext ) ) 
                        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. 
                CD3DEnumDeviceSettingsCombo* pDeviceCombo = new CD3DEnumDeviceSettingsCombo; 
                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; 
 
                pDeviceInfo->deviceSettingsComboList.Add( pDeviceCombo ); 
             
            } 
        } 
    } 
 
    return S_OK; 
} 
 
 
 
//-------------------------------------------------------------------------------------- 
// Adds all depth/stencil formats that are compatible with the device  
//       and app to the given D3DDeviceCombo. 
//-------------------------------------------------------------------------------------- 
void CD3DEnumeration::BuildDepthStencilFormatList( CD3DEnumDeviceSettingsCombo* pDeviceCombo ) 
{ 
    D3DFORMAT depthStencilFmt; 
    for( int idsf = 0; idsf < m_DepthStecilPossibleList.GetSize(); idsf++ ) 
    { 
        depthStencilFmt = m_DepthStecilPossibleList.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 CD3DEnumeration::BuildMultiSampleTypeList( CD3DEnumDeviceSettingsCombo* 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 CD3DEnumeration::BuildDSMSConflictList( CD3DEnumDeviceSettingsCombo* pDeviceCombo ) 
{ 
    CD3DEnumDSMSConflict DSMSConflict; 
 
    for( int iDS=0; iDSdepthStencilFormatList.GetSize(); iDS++ ) 
    { 
        D3DFORMAT dsFmt = pDeviceCombo->depthStencilFormatList.GetAt(iDS); 
 
        for( int iMS=0; iMSmultiSampleTypeList.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 CD3DEnumeration::BuildPresentIntervalList( CD3DEnumDeviceInfo* pDeviceInfo,  
                                                CD3DEnumDeviceSettingsCombo* 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 CD3DEnumAdapterInfo objects and empty the list 
//-------------------------------------------------------------------------------------- 
void CD3DEnumeration::ClearAdapterInfoList() 
{ 
    CD3DEnumAdapterInfo* pAdapterInfo; 
    for( int i=0; i* CD3DEnumeration::GetAdapterInfoList() 
{ 
    return &m_AdapterInfoList; 
} 
 
 
 
//-------------------------------------------------------------------------------------- 
CD3DEnumAdapterInfo* CD3DEnumeration::GetAdapterInfo( UINT AdapterOrdinal ) 
{ 
    for( int iAdapter=0; iAdapterAdapterOrdinal == AdapterOrdinal ) 
            return pAdapterInfo; 
    } 
 
    return NULL; 
} 
 
 
//-------------------------------------------------------------------------------------- 
CD3DEnumDeviceInfo* CD3DEnumeration::GetDeviceInfo( UINT AdapterOrdinal, D3DDEVTYPE DeviceType ) 
{ 
    CD3DEnumAdapterInfo* pAdapterInfo = GetAdapterInfo( AdapterOrdinal ); 
    if( pAdapterInfo ) 
    { 
        for( int iDeviceInfo=0; iDeviceInfodeviceInfoList.GetSize(); iDeviceInfo++ ) 
        { 
            CD3DEnumDeviceInfo* pDeviceInfo = pAdapterInfo->deviceInfoList.GetAt(iDeviceInfo); 
            if( pDeviceInfo->DeviceType == DeviceType ) 
                return pDeviceInfo; 
        } 
    } 
 
    return NULL; 
} 
 
 
//-------------------------------------------------------------------------------------- 
//  
//-------------------------------------------------------------------------------------- 
CD3DEnumDeviceSettingsCombo* CD3DEnumeration::GetDeviceSettingsCombo( UINT AdapterOrdinal, D3DDEVTYPE DeviceType, D3DFORMAT AdapterFormat, D3DFORMAT BackBufferFormat, BOOL bWindowed ) 
{ 
    CD3DEnumDeviceInfo* pDeviceInfo = GetDeviceInfo( AdapterOrdinal, DeviceType ); 
    if( pDeviceInfo ) 
    { 
        for( int iDeviceCombo=0; iDeviceCombodeviceSettingsComboList.GetSize(); iDeviceCombo++ ) 
        { 
            CD3DEnumDeviceSettingsCombo* 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 DXUTColorChannelBits( 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 DXUTAlphaChannelBits( 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 DXUTDepthBits( 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 DXUTStencilBits( 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; 
} 
 
 
 
//-------------------------------------------------------------------------------------- 
CD3DEnumAdapterInfo::~CD3DEnumAdapterInfo( void ) 
{ 
    CD3DEnumDeviceInfo* pDeviceInfo; 
    for( int i=0; i* CD3DEnumeration::GetPossibleDepthStencilFormatList()  
{ 
    return &m_DepthStecilPossibleList; 
} 
 
 
//-------------------------------------------------------------------------------------- 
CGrowableArray* CD3DEnumeration::GetPossibleMultisampleTypeList() 
{ 
    return &m_MultiSampleTypeList; 
} 
 
 
//-------------------------------------------------------------------------------------- 
void CD3DEnumeration::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 CD3DEnumeration::GetPossibleVertexProcessingList( bool* pbSoftwareVP, bool* pbHardwareVP, bool* pbPureHarewareVP, bool* pbMixedVP ) 
{ 
    *pbSoftwareVP = m_bSoftwareVP; 
    *pbHardwareVP = m_bHardwareVP; 
    *pbPureHarewareVP = m_bPureHarewareVP; 
    *pbMixedVP = m_bMixedVP; 
} 
 
 
//-------------------------------------------------------------------------------------- 
void CD3DEnumeration::SetPossibleVertexProcessingList( bool bSoftwareVP, bool bHardwareVP, bool bPureHarewareVP, bool bMixedVP ) 
{ 
    m_bSoftwareVP = bSoftwareVP; 
    m_bHardwareVP = bHardwareVP; 
    m_bPureHarewareVP = bPureHarewareVP; 
    m_bMixedVP = bMixedVP; 
} 
 
 
//-------------------------------------------------------------------------------------- 
CGrowableArray* CD3DEnumeration::GetPossiblePresentIntervalList() 
{ 
    return &m_PresentIntervalList; 
} 
 
 
//-------------------------------------------------------------------------------------- 
void CD3DEnumeration::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 CD3DEnumeration::SetResolutionMinMax( UINT nMinWidth, UINT nMinHeight,  
                                           UINT nMaxWidth, UINT nMaxHeight ) 
{ 
    m_nMinWidth = nMinWidth; 
    m_nMinHeight = nMinHeight; 
    m_nMaxWidth = nMaxWidth; 
    m_nMaxHeight = nMaxHeight; 
} 
 
 
//-------------------------------------------------------------------------------------- 
void CD3DEnumeration::SetRefreshMinMax( UINT nMin, UINT nMax ) 
{ 
    m_nRefreshMin = nMin; 
    m_nRefreshMax = nMax; 
} 
 
 
//-------------------------------------------------------------------------------------- 
void CD3DEnumeration::SetMultisampleQualityMax( UINT nMax ) 
{ 
    if( nMax > 0xFFFF ) 
        nMax = 0xFFFF; 
    m_nMultisampleQualityMax = nMax; 
}