startup.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

        dwFlags |= DDRAWI_EMULATIONINITIALIZED;
    }

    /* Fill some basic info for Surface */
    This->lpLcl->lpGbl->dwFlags =  This->lpLcl->lpGbl->dwFlags | dwFlags | DDRAWI_ATTACHEDTODESKTOP;
    This->lpLcl->lpDDCB = This->lpLcl->lpGbl->lpDDCBtmp;
    This->lpLcl->hDD = ddgbl.hDD;

    ddgbl.rectDevice.bottom = 0;
    ddgbl.rectDevice.left= 0;
    ddgbl.rectDevice.right = ddgbl.vmiData.dwDisplayWidth;
    ddgbl.rectDevice.right = ddgbl.vmiData.dwDisplayHeight;

    ddgbl.rectDesktop.bottom = 0;
    ddgbl.rectDesktop.left= 0;
    ddgbl.rectDesktop.right = ddgbl.vmiData.dwDisplayWidth;
    ddgbl.rectDesktop.right = ddgbl.vmiData.dwDisplayHeight;

    ddgbl.dwMonitorFrequency = GetDeviceCaps(GetWindowDC(NULL),VREFRESH);
    ddgbl.lpModeInfo->dwWidth      = ddgbl.vmiData.dwDisplayWidth;
    ddgbl.lpModeInfo->dwHeight     = ddgbl.vmiData.dwDisplayHeight;
    ddgbl.lpModeInfo->dwBPP        = ddgbl.vmiData.ddpfDisplay.dwRGBBitCount;
    ddgbl.lpModeInfo->lPitch       = ddgbl.vmiData.lDisplayPitch;
    ddgbl.lpModeInfo->wRefreshRate = ddgbl.dwMonitorFrequency;
    ddgbl.lpModeInfo->dwRBitMask = ddgbl.vmiData.ddpfDisplay.dwRBitMask;
    ddgbl.lpModeInfo->dwGBitMask = ddgbl.vmiData.ddpfDisplay.dwGBitMask;
    ddgbl.lpModeInfo->dwBBitMask = ddgbl.vmiData.ddpfDisplay.dwBBitMask;
    ddgbl.lpModeInfo->dwAlphaBitMask = ddgbl.vmiData.ddpfDisplay.dwRGBAlphaBitMask;

    return DD_OK;
}


HRESULT WINAPI
StartDirectDrawHel(LPDIRECTDRAW iface, BOOL reenable)
{
    LPDDRAWI_DIRECTDRAW_INT This = (LPDDRAWI_DIRECTDRAW_INT)iface;

    This->lpLcl->lpGbl->lpDDCBtmp->HELDD.CanCreateSurface     = HelDdCanCreateSurface;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDD.CreateSurface        = HelDdCreateSurface;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDD.CreatePalette        = HelDdCreatePalette;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDD.DestroyDriver        = HelDdDestroyDriver;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDD.FlipToGDISurface     = HelDdFlipToGDISurface;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDD.GetScanLine          = HelDdGetScanLine;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDD.SetColorKey          = HelDdSetColorKey;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDD.SetExclusiveMode     = HelDdSetExclusiveMode;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDD.SetMode              = HelDdSetMode;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDD.WaitForVerticalBlank = HelDdWaitForVerticalBlank;

    This->lpLcl->lpGbl->lpDDCBtmp->HELDD.dwFlags =  DDHAL_CB32_CANCREATESURFACE     |
                                          DDHAL_CB32_CREATESURFACE        |
                                          DDHAL_CB32_CREATEPALETTE        |
                                          DDHAL_CB32_DESTROYDRIVER        |
                                          DDHAL_CB32_FLIPTOGDISURFACE     |
                                          DDHAL_CB32_GETSCANLINE          |
                                          DDHAL_CB32_SETCOLORKEY          |
                                          DDHAL_CB32_SETEXCLUSIVEMODE     |
                                          DDHAL_CB32_SETMODE              |
                                          DDHAL_CB32_WAITFORVERTICALBLANK ;

    This->lpLcl->lpGbl->lpDDCBtmp->HELDD.dwSize = sizeof(This->lpLcl->lpDDCB->HELDD);

    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.AddAttachedSurface = HelDdSurfAddAttachedSurface;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.Blt = HelDdSurfBlt;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.DestroySurface = HelDdSurfDestroySurface;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.Flip = HelDdSurfFlip;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.GetBltStatus = HelDdSurfGetBltStatus;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.GetFlipStatus = HelDdSurfGetFlipStatus;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.Lock = HelDdSurfLock;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.reserved4 = HelDdSurfreserved4;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.SetClipList = HelDdSurfSetClipList;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.SetColorKey = HelDdSurfSetColorKey;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.SetOverlayPosition = HelDdSurfSetOverlayPosition;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.SetPalette = HelDdSurfSetPalette;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.Unlock = HelDdSurfUnlock;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.UpdateOverlay = HelDdSurfUpdateOverlay;
    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.dwFlags = DDHAL_SURFCB32_ADDATTACHEDSURFACE |
                                                DDHAL_SURFCB32_BLT                |
                                                DDHAL_SURFCB32_DESTROYSURFACE     |
                                                DDHAL_SURFCB32_FLIP               |
                                                DDHAL_SURFCB32_GETBLTSTATUS       |
                                                DDHAL_SURFCB32_GETFLIPSTATUS      |
                                                DDHAL_SURFCB32_LOCK               |
                                                DDHAL_SURFCB32_RESERVED4          |
                                                DDHAL_SURFCB32_SETCLIPLIST        |
                                                DDHAL_SURFCB32_SETCOLORKEY        |
                                                DDHAL_SURFCB32_SETOVERLAYPOSITION |
                                                DDHAL_SURFCB32_SETPALETTE         |
                                                DDHAL_SURFCB32_UNLOCK             |
                                                DDHAL_SURFCB32_UPDATEOVERLAY;

    This->lpLcl->lpGbl->lpDDCBtmp->HELDDSurface.dwSize = sizeof(This->lpLcl->lpDDCB->HELDDSurface);

    /*
    This->lpLcl->lpDDCB->HELDDPalette.DestroyPalette  = HelDdPalDestroyPalette;
    This->lpLcl->lpDDCB->HELDDPalette.SetEntries = HelDdPalSetEntries;
    This->lpLcl->lpDDCB->HELDDPalette.dwSize = sizeof(This->lpLcl->lpDDCB->HELDDPalette);
    */

    /*
    This->lpLcl->lpDDCB->HELDDExeBuf.CanCreateExecuteBuffer = HelDdExeCanCreateExecuteBuffer;
    This->lpLcl->lpDDCB->HELDDExeBuf.CreateExecuteBuffer = HelDdExeCreateExecuteBuffer;
    This->lpLcl->lpDDCB->HELDDExeBuf.DestroyExecuteBuffer = HelDdExeDestroyExecuteBuffer;
    This->lpLcl->lpDDCB->HELDDExeBuf.LockExecuteBuffer = HelDdExeLockExecuteBuffer;
    This->lpLcl->lpDDCB->HELDDExeBuf.UnlockExecuteBuffer = HelDdExeUnlockExecuteBuffer;
    */

    return DD_OK;
}


HRESULT WINAPI
StartDirectDrawHal(LPDIRECTDRAW iface, BOOL reenable)
{
    LPDWORD mpFourCC = NULL;
    DDHALINFO mHALInfo;
    BOOL newmode = FALSE;
    LPDDSURFACEDESC mpTextures;
    D3DHAL_CALLBACKS mD3dCallbacks;
    D3DHAL_GLOBALDRIVERDATA mD3dDriverData;
    DDHAL_DDEXEBUFCALLBACKS mD3dBufferCallbacks;
    LPDDRAWI_DIRECTDRAW_INT This = (LPDDRAWI_DIRECTDRAW_INT)iface;
    DDHAL_GETDRIVERINFODATA DdGetDriverInfo = { 0 };

    DX_WINDBG_trace();

    RtlZeroMemory(&mHALInfo, sizeof(DDHALINFO));
    RtlZeroMemory(&mD3dCallbacks, sizeof(D3DHAL_CALLBACKS));
    RtlZeroMemory(&mD3dDriverData, sizeof(D3DHAL_GLOBALDRIVERDATA));
    RtlZeroMemory(&mD3dBufferCallbacks, sizeof(DDHAL_DDEXEBUFCALLBACKS));

    if (reenable == FALSE)
    {
        if (ddgbl.lpDDCBtmp == NULL)
        {
            DxHeapMemAlloc(ddgbl.lpDDCBtmp, sizeof(DDHAL_CALLBACKS));
            if ( ddgbl.lpDDCBtmp == NULL)
            {
                return DD_FALSE;
            }
        }
    }
    else
    {
        RtlZeroMemory(ddgbl.lpDDCBtmp,sizeof(DDHAL_CALLBACKS));
    }

    /*
     *  Startup DX HAL step one of three
     */
    if (!DdCreateDirectDrawObject(This->lpLcl->lpGbl, (HDC)This->lpLcl->hDC))
    {
       DxHeapMemFree(ddgbl.lpDDCBtmp);
       return DD_FALSE;
    }

    /* Some card disable the dx after it have been created so
     * we are force reanble it
     */
    if (!DdReenableDirectDrawObject(This->lpLcl->lpGbl, &newmode))
    {
      DxHeapMemFree(ddgbl.lpDDCBtmp);
      return DD_FALSE;
    }

    if (!DdQueryDirectDrawObject(This->lpLcl->lpGbl,
                                 &mHALInfo,
                                 &ddgbl.lpDDCBtmp->HALDD,
                                 &ddgbl.lpDDCBtmp->HALDDSurface,
                                 &ddgbl.lpDDCBtmp->HALDDPalette,
                                 &mD3dCallbacks,
                                 &mD3dDriverData,
                                 &mD3dBufferCallbacks,
                                 NULL,
                                 mpFourCC,
                                 NULL))
    {
      DxHeapMemFree(This->lpLcl->lpGbl->lpModeInfo);
      DxHeapMemFree(ddgbl.lpDDCBtmp);
      // FIXME Close DX fristcall and second call
      return DD_FALSE;
    }

    /* Alloc mpFourCC */
    if (This->lpLcl->lpGbl->lpdwFourCC != NULL)
    {
        DxHeapMemFree(This->lpLcl->lpGbl->lpdwFourCC);
    }

    if (mHALInfo.ddCaps.dwNumFourCCCodes > 0 )
    {
      
        DxHeapMemAlloc(mpFourCC, sizeof(DWORD) * (mHALInfo.ddCaps.dwNumFourCCCodes + 2));

        if (mpFourCC == NULL)
        {
            DxHeapMemFree(ddgbl.lpDDCBtmp);
            // FIXME Close DX fristcall and second call
            return DD_FALSE;
        }
    }

    /* Alloc mpTextures */
#if 0
    DX_STUB_str("1 Here\n");

    if (This->lpLcl->lpGbl->texture != NULL)
    {
        DxHeapMemFree(This->lpLcl->lpGbl->texture;
    }

    mpTextures = NULL;
    if (mD3dDriverData.dwNumTextureFormats > 0)
    {
        mpTextures = (DDSURFACEDESC*) DxHeapMemAlloc(sizeof(DDSURFACEDESC) * mD3dDriverData.dwNumTextureFormats);
        if (mpTextures == NULL)
        {
            DxHeapMemFree(mpFourCC);
            DxHeapMemFree(ddgbl.lpDDCBtmp);
            // FIXME Close DX fristcall and second call
        }
    }

    DX_STUB_str("2 Here\n");

#else
      mpTextures = NULL;
#endif


    /* Get all basic data from the driver */
    if (!DdQueryDirectDrawObject(
                                 This->lpLcl->lpGbl,
                                 &mHALInfo,
                                 &ddgbl.lpDDCBtmp->HALDD,
                                 &ddgbl.lpDDCBtmp->HALDDSurface,
                                 &ddgbl.lpDDCBtmp->HALDDPalette,
                                 &mD3dCallbacks,
                                 &mD3dDriverData,
                                 &ddgbl.lpDDCBtmp->HALDDExeBuf,
                                 (DDSURFACEDESC*)mpTextures,
                                 mpFourCC,
                                 NULL))
    {
        DxHeapMemFree(mpFourCC);
        DxHeapMemFree(mpTextures);
        DxHeapMemFree(ddgbl.lpDDCBtmp);
        // FIXME Close DX fristcall and second call
        return DD_FALSE;
    }

    memcpy(&ddgbl.vmiData, &mHALInfo.vmiData,sizeof(VIDMEMINFO));
    

    memcpy(&ddgbl.ddCaps,  &mHALInfo.ddCaps,sizeof(DDCORECAPS));

    This->lpLcl->lpGbl->dwNumFourCC        = mHALInfo.ddCaps.dwNumFourCCCodes;
    This->lpLcl->lpGbl->lpdwFourCC         = mpFourCC;
    // This->lpLcl->lpGbl->dwMonitorFrequency = mHALInfo.dwMonitorFrequency;     // 0
    This->lpLcl->lpGbl->dwModeIndex        = mHALInfo.dwModeIndex;
    // This->lpLcl->lpGbl->dwNumModes         = mHALInfo.dwNumModes;
    // This->lpLcl->lpGbl->lpModeInfo         = mHALInfo.lpModeInfo;

    /* FIXME convert mpTextures to DDHALMODEINFO */
    // DxHeapMemFree( mpTextures);

    /* FIXME D3D setup mD3dCallbacks and mD3dDriverData */

    


    if (mHALInfo.dwFlags & DDHALINFO_GETDRIVERINFOSET)
    {
        DdGetDriverInfo.dwSize = sizeof (DDHAL_GETDRIVERINFODATA);
        DdGetDriverInfo.guidInfo = GUID_MiscellaneousCallbacks;
        DdGetDriverInfo.lpvData = (PVOID)&ddgbl.lpDDCBtmp->HALDDMiscellaneous;
        DdGetDriverInfo.dwExpectedSize = sizeof (DDHAL_DDMISCELLANEOUSCALLBACKS);

        if(mHALInfo.GetDriverInfo (&DdGetDriverInfo) == DDHAL_DRIVER_NOTHANDLED || DdGetDriverInfo.ddRVal != DD_OK)
        {
            DxHeapMemFree(mpFourCC);
            DxHeapMemFree(mpTextures);
            DxHeapMemFree(ddgbl.lpDDCBtmp);
            // FIXME Close DX fristcall and second call
            return DD_FALSE;
        }

        RtlZeroMemory(&DdGetDriverInfo, sizeof(DDHAL_GETDRIVERINFODATA));
        DdGetDriverInfo.dwSize = sizeof (DDHAL_GETDRIVERINFODATA);
        DdGetDriverInfo.guidInfo = GUID_Miscellaneous2Callbacks;
        
        /* FIXME 
        DdGetDriverInfo.lpvData = (PVOID)&ddgbl.lpDDCBtmp->HALDDMiscellaneous;
        DdGetDriverInfo.dwExpectedSize = sizeof (DDHAL_DDMISCELLANEOUS2CALLBACKS);

        if(mHALInfo.GetDriverInfo (&DdGetDriverInfo) == DDHAL_DRIVER_NOTHANDLED || DdGetDriverInfo.ddRVal != DD_OK)
        {
            DxHeapMemFree(mpFourCC);
            DxHeapMemFree(mpTextures);
            DxHeapMemFree(ddgbl.lpDDCBtmp);
            // FIXME Close DX fristcall and second call
            return DD_FALSE;
        }
        DD_MISCELLANEOUS2CALLBACKS 
        {
            DWORD                dwSize;
            DWORD                dwFlags;
            PDD_ALPHABLT         AlphaBlt;  // unsuse acoding msdn and always set to NULL
            PDD_CREATESURFACEEX  CreateSurfaceEx;
            PDD_GETDRIVERSTATE   GetDriverState;
            PDD_DESTROYDDLOCAL   DestroyDDLocal;
        }
          DDHAL_MISC2CB32_CREATESURFACEEX
          DDHAL_MISC2CB32_GETDRIVERSTATE
          DDHAL_MISC2CB32_DESTROYDDLOCAL
        */
    }

    if (mHALInfo.dwFlags & DDHALINFO_GETDRIVERINFO2)
    {
        This->lpLcl->lpGbl->dwFlags = This->lpLcl->lpGbl->dwFlags | DDRAWI_DRIVERINFO2;
    }


    return DD_OK;
}