C++ EngDeviceIoControl函數代碼示例

本文整理匯總了C++中EngDeviceIoControl函數的典型用法代碼示例。如果您正苦於以下問題：C++ EngDeviceIoControl函數的具體用法？C++ EngDeviceIoControl怎麽用？C++ EngDeviceIoControl使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。

在下文中一共展示了EngDeviceIoControl函數的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C++代碼示例。

示例1: XenVesaMapVideoMemory

DWORD XenVesaMapVideoMemory(PPDEV pDev)
{
    DWORD dwRet, dwRetBytes;
    VIDEO_MEMORY videoMem;
    VIDEO_MEMORY_INFORMATION videoMemInfo;

    videoMem.RequestedVirtualAddress = 0;
    dwRet = EngDeviceIoControl(pDev->hDriver, 
                               IOCTL_VIDEO_MAP_VIDEO_MEMORY, 
			       &videoMem, sizeof(VIDEO_MEMORY),
                               &videoMemInfo, 
			       sizeof(VIDEO_MEMORY_INFORMATION), &dwRetBytes);

    if (dwRet != 0 )
    {
         XenVesaDebugPrint(DEBUG_LEVEL_ERROR, 
	                   "Unable to map video memory!  Error - %d\n",
			   dwRet);
	 pDev->pFrameBuffer = (PULONG) NULL;
         return dwRet;
    }

    pDev->pFrameBuffer = (PULONG) videoMemInfo.FrameBufferBase;
    return dwRet;
}

開發者ID:OpenXT，項目名稱:xc-windows，代碼行數:25，代碼來源:helper.c

示例2: XenVesaGetNumModesFromMiniport

DWORD XenVesaGetNumModesFromMiniport(HANDLE hDrv, PDWORD pNumModes, 
                                     PDWORD pModeInfoSize)
{
    DWORD dwRet, dwRetBytes;
    VIDEO_NUM_MODES videoNumModes;

    if ( pNumModes == NULL || pModeInfoSize == NULL )
    {
        XenVesaDebugPrint(DEBUG_LEVEL_ERROR,
	                  "GetNumModesFromMiniport: Invalid input!\n");
        return -1;
    }

    dwRet = EngDeviceIoControl(hDrv, IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES, 
                               NULL, 0, &videoNumModes, 
			       sizeof(VIDEO_NUM_MODES), &dwRetBytes);
    if ( dwRet != 0 )
    {
        XenVesaDebugPrint(DEBUG_LEVEL_ERROR,
                    "Unable to query number of available modes.  Error - %d\n",
                    dwRet);
        return dwRet;
    }

    *pModeInfoSize = videoNumModes.ModeInformationLength;
    *pNumModes = videoNumModes.NumModes;
    return dwRet;
}

開發者ID:OpenXT，項目名稱:xc-windows，代碼行數:28，代碼來源:helper.c

示例3: XenVesaGetModesFromMiniport

DWORD XenVesaGetModesFromMiniport(HANDLE hDrv, 
                                  PVIDEO_MODE_INFORMATION pModeInfo,
                                  DWORD dwModeInfoSize, DWORD dwNumModes)
{

    DWORD dwRet, dwRetBytes, dwTotalModeInfoSize;

    if ( dwModeInfoSize == 0 || dwNumModes == 0 || pModeInfo == NULL )
    {
        XenVesaDebugPrint(DEBUG_LEVEL_ERROR,
	                  "XenVesaGetModesFromMiniport: Invalid input!\n");
        return -1;
    }

    dwTotalModeInfoSize = dwModeInfoSize * dwNumModes;
    dwRet = EngDeviceIoControl(hDrv, IOCTL_VIDEO_QUERY_AVAIL_MODES, 
                               NULL, 0, pModeInfo, 
			       dwTotalModeInfoSize, &dwRetBytes); 
    if ( dwRet != 0 )
    {
        XenVesaDebugPrint(DEBUG_LEVEL_ERROR,
	                  "Unable to query available modes! Error - %d\n",
			  dwRet);
        return dwRet;
    }

    return dwRet;
}

開發者ID:OpenXT，項目名稱:xc-windows，代碼行數:28，代碼來源:helper.c

示例4: bInitPointer

BOOL NTAPI bInitPointer(PPDEV ppdev, DEVINFO *pdevinfo)
{
    DWORD    returnedDataLength;

    ppdev->pPointerAttributes = (PVIDEO_POINTER_ATTRIBUTES) NULL;
    ppdev->cjPointerAttributes = 0; // initialized in screen.c

    //
    // Ask the miniport whether it provides pointer support.
    //

    if (EngDeviceIoControl(ppdev->hDriver,
                           IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES,
                           NULL,
                           0,
                           &ppdev->PointerCapabilities,
                           sizeof(ppdev->PointerCapabilities),
                           &returnedDataLength))
    {
         return(FALSE);
    }

    //
    // If neither mono nor color hardware pointer is supported, there's no
    // hardware pointer support and we're done.
    //

    if ((!(ppdev->PointerCapabilities.Flags & VIDEO_MODE_MONO_POINTER)) &&
        (!(ppdev->PointerCapabilities.Flags & VIDEO_MODE_COLOR_POINTER)))
    {
        return(TRUE);
    }

    //
    // Note: The buffer itself is allocated after we set the
    // mode. At that time we know the pixel depth and we can
    // allocate the correct size for the color pointer if supported.
    //

    //
    // Set the asynchronous support status (async means miniport is capable of
    // drawing the Pointer at any time, with no interference with any ongoing
    // drawing operation)
    //

    if (ppdev->PointerCapabilities.Flags & VIDEO_MODE_ASYNC_POINTER)
    {
       pdevinfo->flGraphicsCaps |= GCAPS_ASYNCMOVE;
    }
    else
    {
       pdevinfo->flGraphicsCaps &= ~GCAPS_ASYNCMOVE;
    }

    return(TRUE);
}

開發者ID:GYGit，項目名稱:reactos，代碼行數:56，代碼來源:pointer.c

示例5: VBoxDispMPDisablePointer

int VBoxDispMPDisablePointer(HANDLE hDriver)
{
    DWORD dwrc;
    ULONG cbReturned;
    LOGF_ENTER();

    dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_DISABLE_POINTER, NULL, 0, NULL, 0, &cbReturned);
    VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);

    LOGF_LEAVE();
    return VINF_SUCCESS;
}

開發者ID:evanphx，項目名稱:yoke，代碼行數:12，代碼來源:VBoxDispMini.cpp

示例6: VBoxDispMPResetDevice

int VBoxDispMPResetDevice(HANDLE hDriver)
{
    DWORD dwrc;
    ULONG cbReturned;
    LOGF_ENTER();

    dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_RESET_DEVICE, NULL, 0, NULL, 0, &cbReturned);
    VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);

    LOGF_LEAVE();
    return VINF_SUCCESS;
}

開發者ID:evanphx，項目名稱:yoke，代碼行數:12，代碼來源:VBoxDispMini.cpp

示例7: VBoxDispMPSetColorRegisters

int VBoxDispMPSetColorRegisters(HANDLE hDriver, PVIDEO_CLUT pClut, DWORD cbClut)
{
    DWORD dwrc;
    ULONG cbReturned;
    LOGF_ENTER();

    dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_SET_COLOR_REGISTERS, pClut, cbClut, NULL, 0, &cbReturned);
    VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);

    LOGF_LEAVE();
    return VINF_SUCCESS;
}

開發者ID:evanphx，項目名稱:yoke，代碼行數:12，代碼來源:VBoxDispMini.cpp

示例8: bInit256ColorPalette

BOOL bInit256ColorPalette(PPDEV ppdev)
{
    BYTE        ajClutSpace[MAX_CLUT_SIZE];
    PVIDEO_CLUT pScreenClut;
    ULONG       ulReturnedDataLength;
    ULONG       cColors;
    PVIDEO_CLUTDATA pScreenClutData;

    if (ppdev->ulBitCount == 8)
    {
        //
        // Fill in pScreenClut header info:
        //

        pScreenClut             = (PVIDEO_CLUT) ajClutSpace;
        pScreenClut->NumEntries = 256;
        pScreenClut->FirstEntry = 0;

        //
        // Copy colours in:
        //

        cColors = 256;
        pScreenClutData = (PVIDEO_CLUTDATA) (&(pScreenClut->LookupTable[0]));

        while(cColors--)
        {
            pScreenClutData[cColors].Red =    ppdev->pPal[cColors].peRed >>
                                              ppdev->cPaletteShift;
            pScreenClutData[cColors].Green =  ppdev->pPal[cColors].peGreen >>
                                              ppdev->cPaletteShift;
            pScreenClutData[cColors].Blue =   ppdev->pPal[cColors].peBlue >>
                                              ppdev->cPaletteShift;
            pScreenClutData[cColors].Unused = 0;
        }

        //
        // Set palette registers:
        //

        if (EngDeviceIoControl(ppdev->hDriver,
                               IOCTL_VIDEO_SET_COLOR_REGISTERS,
                               pScreenClut,
                               MAX_CLUT_SIZE,
                               NULL,
                               0,
                               &ulReturnedDataLength))
        {
            DISPDBG((0, "Failed bEnablePalette"));
            return(FALSE);
        }
    }

開發者ID:Gaikokujin，項目名稱:WinNT4，代碼行數:52，代碼來源:palette.c

示例9: DrvSetPalette

BOOL DrvSetPalette (DHPDEV dhpdev,
                    PALOBJ *ppalo,
                    FLONG  fl,
                    ULONG  iStart,
                    ULONG  cColors)
{
    BYTE ajClutSpace[MAX_CLUT_SIZE];
    PVIDEO_CLUT pScreenClut = (PVIDEO_CLUT) ajClutSpace;
    PPALETTEENTRY pape;
    ULONG ulTemp = 256;

    UNREFERENCED_PARAMETER (fl);

    DISPBLTDBG ((1, "TGA.DLL!DrvSetPalette - Entry\n"));
    DISPBLTDBG ((2, "TGA.DLL!DrvSetPalette - ppalo [%x], fl [%x], iStart [%d], cColors [%d]\n", ppalo, fl, iStart, cColors));

    // Fill in pScreenClut header info

    pScreenClut->NumEntries = (USHORT)cColors;
    pScreenClut->FirstEntry = (USHORT)iStart;

    pape = (PPALETTEENTRY) (pScreenClut->LookupTable);

    if (cColors != PALOBJ_cGetColors (ppalo, iStart, cColors, (PULONG) pape))
    {
        RIP ("DISP DrvSetPalette failed PALOBJ_cGetColors\n");
        return FALSE;
    }

    // Set the high reserved byte in each palette entry to 0.

    while (cColors--)
        pape[cColors].peFlags = 0;

    // Set palette registers

    if (EngDeviceIoControl (((PPDEV)(dhpdev))->hDriver,
                           IOCTL_VIDEO_SET_COLOR_REGISTERS,
                           pScreenClut,
                           MAX_CLUT_SIZE,
                           NULL,
                           0,
                          &cColors))
    {
        RIP ("DISP DrvSetPalette failed EngDeviceIoControl\n");
        return FALSE;
    }

    DISPBLTDBG ((1, "TGA.DLL!DrvSetPalette - Exit\n"));

    return TRUE;
}

開發者ID:Gaikokujin，項目名稱:WinNT4，代碼行數:52，代碼來源:palette.c

示例10: VBoxDispMPSetPointerPosition

int VBoxDispMPSetPointerPosition(HANDLE hDriver, PVIDEO_POINTER_POSITION pPos)
{
    DWORD dwrc;
    ULONG cbReturned;
    LOGF_ENTER();

    dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_SET_POINTER_POSITION, pPos, sizeof(VIDEO_POINTER_POSITION),
                              NULL, 0, &cbReturned);
    VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);

    LOGF_LEAVE();
    return VINF_SUCCESS;
}

開發者ID:evanphx，項目名稱:yoke，代碼行數:13，代碼來源:VBoxDispMini.cpp

示例11: XenVesaResetDevice

DWORD XenVesaResetDevice(PPDEV pDev)
{
    DWORD dwRet, dwRetBytes;

    dwRet = EngDeviceIoControl(pDev->hDriver, IOCTL_VIDEO_RESET_DEVICE,
                               0, 0, 0, 0, &dwRetBytes);
    if ( dwRet != 0)
        XenVesaDebugPrint(DEBUG_LEVEL_ERROR,
                          "Reset device failed with error - %d\n",
                          dwRet);

    return dwRet;
}

開發者ID:OpenXT，項目名稱:xc-windows，代碼行數:13，代碼來源:helper.c

示例12: VBoxDispMPSetVisibleRegion

int VBoxDispMPSetVisibleRegion(HANDLE hDriver, PRTRECT pRects, DWORD cRects)
{
    DWORD dwrc;
    ULONG cbReturned;
    LOGF_ENTER();

    dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_VBOX_SETVISIBLEREGION, pRects, cRects*sizeof(RTRECT),
                              NULL, 0, &cbReturned);
    VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);

    LOGF_LEAVE();
    return VINF_SUCCESS;
}

開發者ID:evanphx，項目名稱:yoke，代碼行數:13，代碼來源:VBoxDispMini.cpp

示例13: VBoxDispMPUnshareVideoMemory

int VBoxDispMPUnshareVideoMemory(HANDLE hDriver, PVIDEO_SHARE_MEMORY pSMem)
{
    DWORD dwrc;
    ULONG cbReturned;
    LOGF_ENTER();

    dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_UNSHARE_VIDEO_MEMORY, pSMem, sizeof(VIDEO_SHARE_MEMORY),
                              NULL, 0, &cbReturned);
    VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);

    LOGF_LEAVE();
    return VINF_SUCCESS;
}

開發者ID:evanphx，項目名稱:yoke，代碼行數:13，代碼來源:VBoxDispMini.cpp

示例14: VBoxDispMPSetCurrentMode

/* Set device mode */
int VBoxDispMPSetCurrentMode(HANDLE hDriver, ULONG ulMode)
{
    DWORD dwrc;
    ULONG cbReturned;
    VIDEO_MODE mode;
    LOGF_ENTER();

    mode.RequestedMode = ulMode;
    dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_SET_CURRENT_MODE, &mode, sizeof(VIDEO_MODE), NULL, 0, &cbReturned);
    VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);

    LOGF_LEAVE();
    return VINF_SUCCESS;
}

開發者ID:evanphx，項目名稱:yoke，代碼行數:15，代碼來源:VBoxDispMini.cpp

示例15: VBoxDispMPShareVideoMemory

int VBoxDispMPShareVideoMemory(HANDLE hDriver, PVIDEO_SHARE_MEMORY pSMem, PVIDEO_SHARE_MEMORY_INFORMATION pSMemInfo)
{
    DWORD dwrc;
    ULONG cbReturned;
    LOGF_ENTER();

    dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_SHARE_VIDEO_MEMORY, pSMem, sizeof(VIDEO_SHARE_MEMORY),
                              pSMemInfo, sizeof(VIDEO_SHARE_MEMORY_INFORMATION), &cbReturned);
    VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
    VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_SHARE_VIDEO_MEMORY", cbReturned,
                            sizeof(VIDEO_SHARE_MEMORY_INFORMATION), VERR_DEV_IO_ERROR);

    LOGF_LEAVE();
    return VINF_SUCCESS;
}

開發者ID:evanphx，項目名稱:yoke，代碼行數:15，代碼來源:VBoxDispMini.cpp

注：本文中的EngDeviceIoControl函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。