dxutenum.cpp

声音和图片的加载功能,不过运行起来有点卡

    }
    else
    {
        pOptimalDeviceSettings->pp.MultiSampleType = pDeviceSettingsIn->pp.MultiSampleType;
        pOptimalDeviceSettings->pp.MultiSampleQuality = pDeviceSettingsIn->pp.MultiSampleQuality;
    }

    //---------------------
    // Swap effect
    //---------------------
    if( pMatchOptions->eSwapEffect == DXUTMT_IGNORE_INPUT )
        pOptimalDeviceSettings->pp.SwapEffect = D3DSWAPEFFECT_DISCARD; 
    else
        pOptimalDeviceSettings->pp.SwapEffect = pDeviceSettingsIn->pp.SwapEffect;

    //---------------------
    // Depth stencil 
    //---------------------
    if( pMatchOptions->eDepthFormat == DXUTMT_IGNORE_INPUT &&
        pMatchOptions->eStencilFormat == DXUTMT_IGNORE_INPUT )
    {
        UINT nBackBufferBits = DXUTGetD3D9ColorChannelBits( pOptimalDeviceSettings->pp.BackBufferFormat );
        if( nBackBufferBits >= 8 )
            pOptimalDeviceSettings->pp.AutoDepthStencilFormat = D3DFMT_D32; 
        else
            pOptimalDeviceSettings->pp.AutoDepthStencilFormat = D3DFMT_D16; 
    }
    else
    {
        pOptimalDeviceSettings->pp.AutoDepthStencilFormat = pDeviceSettingsIn->pp.AutoDepthStencilFormat;
    }

    //---------------------
    // Present flags
    //---------------------
    if( pMatchOptions->ePresentFlags == DXUTMT_IGNORE_INPUT )
        pOptimalDeviceSettings->pp.Flags = D3DPRESENTFLAG_DISCARD_DEPTHSTENCIL;
    else
        pOptimalDeviceSettings->pp.Flags = pDeviceSettingsIn->pp.Flags;

    //---------------------
    // Refresh rate
    //---------------------
    if( pMatchOptions->eRefreshRate == DXUTMT_IGNORE_INPUT )
        pOptimalDeviceSettings->pp.FullScreen_RefreshRateInHz = 0;
    else
        pOptimalDeviceSettings->pp.FullScreen_RefreshRateInHz = pDeviceSettingsIn->pp.FullScreen_RefreshRateInHz;

    //---------------------
    // Present interval
    //---------------------
    if( pMatchOptions->ePresentInterval == DXUTMT_IGNORE_INPUT )
    {
        // For windowed and fullscreen, default to D3DPRESENT_INTERVAL_DEFAULT
        // which will wait for the vertical retrace period to prevent tearing.
        // For benchmarking, use D3DPRESENT_INTERVAL_IMMEDIATE which will
        // will wait not for the vertical retrace period but may introduce tearing.
        pOptimalDeviceSettings->pp.PresentationInterval = D3DPRESENT_INTERVAL_DEFAULT;
    }
    else
    {
        pOptimalDeviceSettings->pp.PresentationInterval = pDeviceSettingsIn->pp.PresentationInterval;
    }
}


//--------------------------------------------------------------------------------------
// Returns false for any CD3D9EnumDeviceSettingsCombo that doesn't meet the preserve 
// match options against the input pDeviceSettingsIn.
//--------------------------------------------------------------------------------------
bool DXUTDoesD3D9DeviceComboMatchPreserveOptions( CD3D9EnumDeviceSettingsCombo* pDeviceSettingsCombo, 
                                                  DXUTD3D9DeviceSettings* pDeviceSettingsIn, 
                                                  DXUTMatchOptions* pMatchOptions )
{
    //---------------------
    // Adapter ordinal
    //---------------------
    if( pMatchOptions->eAdapterOrdinal == DXUTMT_PRESERVE_INPUT && 
        (pDeviceSettingsCombo->AdapterOrdinal != pDeviceSettingsIn->AdapterOrdinal) )
        return false;

    //---------------------
    // Device type
    //---------------------
    if( pMatchOptions->eDeviceType == DXUTMT_PRESERVE_INPUT && 
        (pDeviceSettingsCombo->DeviceType != pDeviceSettingsIn->DeviceType) )
        return false;

    //---------------------
    // Windowed
    //---------------------
    if( pMatchOptions->eWindowed == DXUTMT_PRESERVE_INPUT && 
        (pDeviceSettingsCombo->Windowed != pDeviceSettingsIn->pp.Windowed) )
        return false;

    //---------------------
    // Adapter format
    //---------------------
    if( pMatchOptions->eAdapterFormat == DXUTMT_PRESERVE_INPUT && 
        (pDeviceSettingsCombo->AdapterFormat != pDeviceSettingsIn->AdapterFormat) )
        return false;

    //---------------------
    // Vertex processing
    //---------------------
    // If keep VP and input has HWVP, then skip if this combo doesn't have HWTL 
    if( pMatchOptions->eVertexProcessing == DXUTMT_PRESERVE_INPUT && 
        ((pDeviceSettingsIn->BehaviorFlags & D3DCREATE_HARDWARE_VERTEXPROCESSING) != 0) && 
        ((pDeviceSettingsCombo->pDeviceInfo->Caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) == 0) )
        return false;

    //---------------------
    // Resolution
    //---------------------
    // If keep resolution then check that width and height supported by this combo
    if( pMatchOptions->eResolution == DXUTMT_PRESERVE_INPUT )
    {
        bool bFound = false;
        for( int i=0; i< pDeviceSettingsCombo->pAdapterInfo->displayModeList.GetSize(); i++ )
        {
            D3DDISPLAYMODE displayMode = pDeviceSettingsCombo->pAdapterInfo->displayModeList.GetAt( i );
            if( displayMode.Format != pDeviceSettingsCombo->AdapterFormat )
                continue; // Skip this display mode if it doesn't match the combo's adapter format

            if( displayMode.Width == pDeviceSettingsIn->pp.BackBufferWidth &&
                displayMode.Height == pDeviceSettingsIn->pp.BackBufferHeight )
            {
                bFound = true;
                break;
            }
        }

        // If the width and height are not supported by this combo, return false
        if( !bFound )
            return false;
    }

    //---------------------
    // Back buffer format
    //---------------------
    if( pMatchOptions->eBackBufferFormat == DXUTMT_PRESERVE_INPUT && 
        pDeviceSettingsCombo->BackBufferFormat != pDeviceSettingsIn->pp.BackBufferFormat )
        return false;

    //---------------------
    // Back buffer count
    //---------------------
    // No caps for the back buffer count

    //---------------------
    // Multisample
    //---------------------
    if( pMatchOptions->eMultiSample == DXUTMT_PRESERVE_INPUT )
    {
        bool bFound = 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 == pDeviceSettingsIn->pp.MultiSampleType &&
                msQuality > pDeviceSettingsIn->pp.MultiSampleQuality )
            {
                bFound = true;
                break;
            }
        }

        // If multisample type/quality not supported by this combo, then return false
        if( !bFound )
            return false;
    }
        
    //---------------------
    // Swap effect
    //---------------------
    // No caps for swap effects

    //---------------------
    // Depth stencil 
    //---------------------
    // If keep depth stencil format then check that the depth stencil format is supported by this combo
    if( pMatchOptions->eDepthFormat == DXUTMT_PRESERVE_INPUT &&
        pMatchOptions->eStencilFormat == DXUTMT_PRESERVE_INPUT )
    {
        if( pDeviceSettingsIn->pp.AutoDepthStencilFormat != D3DFMT_UNKNOWN &&
            !pDeviceSettingsCombo->depthStencilFormatList.Contains( pDeviceSettingsIn->pp.AutoDepthStencilFormat ) )
            return false;
    }

    // If keep depth format then check that the depth format is supported by this combo
    if( pMatchOptions->eDepthFormat == DXUTMT_PRESERVE_INPUT &&
        pDeviceSettingsIn->pp.AutoDepthStencilFormat != D3DFMT_UNKNOWN )
    {
        bool bFound = false;
        UINT dwDepthBits = DXUTGetDepthBits( pDeviceSettingsIn->pp.AutoDepthStencilFormat );
        for( int i=0; i<pDeviceSettingsCombo->depthStencilFormatList.GetSize(); i++ )
        {
            D3DFORMAT depthStencilFmt = pDeviceSettingsCombo->depthStencilFormatList.GetAt(i);
            UINT dwCurDepthBits = DXUTGetDepthBits( depthStencilFmt );
            if( dwCurDepthBits - dwDepthBits == 0)
                bFound = true;
        }

        if( !bFound )
            return false;
    }

    // If keep depth format then check that the depth format is supported by this combo
    if( pMatchOptions->eStencilFormat == DXUTMT_PRESERVE_INPUT &&
        pDeviceSettingsIn->pp.AutoDepthStencilFormat != D3DFMT_UNKNOWN )
    {
        bool bFound = false;
        UINT dwStencilBits = DXUTGetStencilBits( pDeviceSettingsIn->pp.AutoDepthStencilFormat );
        for( int i=0; i<pDeviceSettingsCombo->depthStencilFormatList.GetSize(); i++ )
        {
            D3DFORMAT depthStencilFmt = pDeviceSettingsCombo->depthStencilFormatList.GetAt(i);
            UINT dwCurStencilBits = DXUTGetStencilBits( depthStencilFmt );
            if( dwCurStencilBits - dwStencilBits == 0)
                bFound = true;
        }

        if( !bFound )
            return false;
    }

    //---------------------
    // Present flags
    //---------------------
    // No caps for the present flags

    //---------------------
    // Refresh rate
    //---------------------
    // If keep refresh rate then check that the resolution is supported by this combo
    if( pMatchOptions->eRefreshRate == DXUTMT_PRESERVE_INPUT )
    {
        bool bFound = false;
        for( int i=0; i<pDeviceSettingsCombo->pAdapterInfo->displayModeList.GetSize(); i++ )
        {
            D3DDISPLAYMODE displayMode = pDeviceSettingsCombo->pAdapterInfo->displayModeList.GetAt( i );
            if( displayMode.Format != pDeviceSettingsCombo->AdapterFormat )
                continue;
            if( displayMode.RefreshRate == pDeviceSettingsIn->pp.FullScreen_RefreshRateInHz )
            {
                bFound = true;
                break;
            }
        }

        // If refresh rate not supported by this combo, then return false
        if( !bFound )
            return false;
    }

    //---------------------
    // Present interval
    //---------------------
    // If keep present interval then check that the present interval is supported by this combo
    if( pMatchOptions->ePresentInterval == DXUTMT_PRESERVE_INPUT &&
        !pDeviceSettingsCombo->presentIntervalList.Contains( pDeviceSettingsIn->pp.PresentationInterval ) )
        return false;

    return true;
}


//--------------------------------------------------------------------------------------
// 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 )
{
    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) DXUTGetD3D9ColorChann