uint32_t VBoxGetHeightReduction()
{
uint32_t retHeight = 0;
int rc;
LOGF_ENTER();
VMMDevGetHeightReductionRequest *req = NULL;
rc = VbglGRAlloc((VMMDevRequestHeader**)&req, sizeof(VMMDevGetHeightReductionRequest), VMMDevReq_GetHeightReduction);
if (RT_FAILURE(rc))
{
WARN(("ERROR allocating request, rc = %#xrc", rc));
}
else
{
rc = VbglGRPerform(&req->header);
if (RT_SUCCESS(rc))
{
retHeight = req->heightReduction;
}
else
{
WARN(("ERROR querying height reduction value from VMMDev. rc = %#xrc", rc));
}
VbglGRFree(&req->header);
}
LOGF_LEAVE();
return retHeight;
}
/*
* Display driver callbacks.
*/
BOOL APIENTRY VBoxDispDrvSetPalette(DHPDEV dhpdev, PALOBJ *ppalo, FLONG fl, ULONG iStart, ULONG cColors)
{
BYTE aClut[MAX_CLUT_SIZE];
PVIDEO_CLUT pClut = (PVIDEO_CLUT) aClut;
PVIDEO_CLUTDATA pData = &pClut->LookupTable[0].RgbArray;
PVBOXDISPDEV pDev = (PVBOXDISPDEV)dhpdev;
NOREF(fl);
int rc;
LOGF_ENTER();
pClut->NumEntries = (USHORT) cColors;
pClut->FirstEntry = (USHORT) iStart;
/* Copy PALOBJ colors to PVIDEO_CLUT */
if (cColors != PALOBJ_cGetColors(ppalo, iStart, cColors, (ULONG*) pData))
{
WARN(("PALOBJ_cGetColors failed"));
return FALSE;
}
/* Set reserved bytes to 0 and perform shifting if needed */
for (ULONG idx=0; idx<cColors; ++idx)
{
pData[idx].Unused = 0;
if (pDev->mode.ulPaletteShift)
{
pData[idx].Red >>= pDev->mode.ulPaletteShift;
pData[idx].Green >>= pDev->mode.ulPaletteShift;
pData[idx].Blue >>= pDev->mode.ulPaletteShift;
}
}
VOID APIENTRY VBoxDispDrvDisableSurface(DHPDEV dhpdev)
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV)dhpdev;
LOGF_ENTER();
if (pDev->surface.hSurface)
{
EngDeleteSurface(pDev->surface.hSurface);
pDev->surface.hSurface = NULL;
}
if (pDev->surface.psoBitmap)
{
Assert(pDev->surface.hBitmap);
EngUnlockSurface(pDev->surface.psoBitmap);
pDev->surface.psoBitmap = NULL;
}
if (pDev->surface.hBitmap)
{
EngDeleteSurface((HSURF) pDev->surface.hBitmap);
pDev->surface.hBitmap = NULL;
}
int rc;
rc = VBoxDispMPUnmapMemory(pDev);
VBOX_WARNRC(rc);
LOGF_LEAVE();
}
BOOL APIENTRY
VBoxDispDrvRealizeBrush(BRUSHOBJ *pbo, SURFOBJ *psoTarget, SURFOBJ *psoPattern, SURFOBJ *psoMask,
XLATEOBJ *pxlo, ULONG iHatch)
{
BOOL bRc = FALSE;
LOGF_ENTER();
if (VBoxDispIsScreenSurface(psoTarget))
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV)psoTarget->dhpdev;
if (pDev->vbvaCtx.pVBVA && (pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents & VBVA_F_MODE_ENABLED))
{
if (pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents & VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET)
{
vrdpReset(pDev);
pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents &= ~VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
}
if (pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents & VBVA_F_MODE_VRDP)
{
bRc = vrdpDrvRealizeBrush(pbo, psoTarget, psoPattern, psoMask, pxlo, iHatch);
}
}
}
LOGF_LEAVE();
return bRc;
}
/* Called to reset adapter to a given character mode. */
static BOOLEAN
VBoxDrvResetHW(PVOID HwDeviceExtension, ULONG Columns, ULONG Rows)
{
RT_NOREF(Columns, Rows);
PVBOXMP_DEVEXT pExt = (PVBOXMP_DEVEXT) HwDeviceExtension;
LOGF_ENTER();
if (pExt->iDevice==0) /* Primary device */
{
VideoPortWritePortUshort((PUSHORT)VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_ENABLE);
VideoPortWritePortUshort((PUSHORT)VBE_DISPI_IOPORT_DATA, VBE_DISPI_DISABLED);
#if 0
/* ResetHW is not the place to do such cleanup. See MSDN. */
if (pExt->u.primary.pvReqFlush != NULL)
{
VbglR0GRFree((VMMDevRequestHeader *)pExt->u.primary.pvReqFlush);
pExt->u.primary.pvReqFlush = NULL;
}
VbglR0TerminateClient();
VBoxFreeDisplaysHGSMI(VBoxCommonFromDeviceExt(pExt));
#endif
}
else
{
LOG(("ignoring non primary device %d", pExt->iDevice));
}
LOGF_LEAVE();
/* Tell the system to use VGA BIOS to set the text video mode. */
return FALSE;
}
/* Called to enumerate child devices of our adapter, attached monitor(s) in our case */
static VP_STATUS
VBoxDrvGetVideoChildDescriptor(PVOID HwDeviceExtension, PVIDEO_CHILD_ENUM_INFO ChildEnumInfo,
PVIDEO_CHILD_TYPE VideoChildType, PUCHAR pChildDescriptor, PULONG pUId,
PULONG pUnused)
{
RT_NOREF(pChildDescriptor, pUnused);
PVBOXMP_DEVEXT pExt = (PVBOXMP_DEVEXT) HwDeviceExtension;
PAGED_CODE();
LOGF_ENTER();
if (ChildEnumInfo->ChildIndex>0)
{
if ((int)ChildEnumInfo->ChildIndex <= VBoxCommonFromDeviceExt(pExt)->cDisplays)
{
*VideoChildType = Monitor;
*pUId = ChildEnumInfo->ChildIndex;
LOGF_LEAVE();
return VIDEO_ENUM_MORE_DEVICES;
}
}
LOGF_LEAVE();
return ERROR_NO_MORE_DEVICES;
}
VOID APIENTRY VBoxDispDrvDisableDirectDraw(DHPDEV dhpdev)
{
RT_NOREF(dhpdev);
LOGF_ENTER();
LOGF_LEAVE();
return;
}
/* Initial device configuration. */
static BOOLEAN
VBoxDrvInitialize(PVOID HwDeviceExtension)
{
PVBOXMP_DEVEXT pExt = (PVBOXMP_DEVEXT) HwDeviceExtension;
USHORT DispiId;
PAGED_CODE();
LOGF_ENTER();
/* Initialize the request pointer. */
pExt->u.primary.pvReqFlush = NULL;
/* Check if the chip restricts horizontal resolution or not. */
VideoPortWritePortUshort((PUSHORT)VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_ID);
VideoPortWritePortUshort((PUSHORT)VBE_DISPI_IOPORT_DATA, VBE_DISPI_ID_ANYX);
DispiId = VideoPortReadPortUshort((PUSHORT)VBE_DISPI_IOPORT_DATA);
if (DispiId == VBE_DISPI_ID_ANYX)
pExt->fAnyX = TRUE;
else
pExt->fAnyX = FALSE;
VBoxMPCmnInitCustomVideoModes(pExt);
LOGF_LEAVE();
return TRUE;
}
/* Driver entry point */
NTSTATUS DriverEntry(IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath)
{
NOREF(RegistryPath);
PAGED_CODE();
int irc = RTR0Init(0);
if (RT_FAILURE(irc))
{
LOGREL(("failed to init IPRT (rc=%#x)", irc));
return STATUS_INTERNAL_ERROR;
}
LOGF_ENTER();
DriverObject->DriverUnload = VBoxDrvUnload;
DriverObject->DriverExtension->AddDevice = VBoxDrvAddDevice;
for (int i=0; i<=IRP_MJ_MAXIMUM_FUNCTION; ++i)
{
DriverObject->MajorFunction[i] = VBoxIrpPassthrough;
}
DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = VBoxIrpInternalIOCTL;
DriverObject->MajorFunction[IRP_MJ_PNP] = VBoxIrpPnP;
DriverObject->MajorFunction[IRP_MJ_POWER] = VBoxIrpPower;
NTSTATUS tmpStatus = VBoxNewProtInit();
if (!NT_SUCCESS(tmpStatus))
{
WARN(("VBoxNewProtInit failed Status (0x%x)", tmpStatus));
}
LOGF_LEAVE();
return STATUS_SUCCESS;
}
/* Called for IOCTL_VIDEO_QUERY_HGSMI_INFO.
* Returns hgsmi info for this adapter.
*/
BOOLEAN VBoxMPQueryHgsmiInfo(PVBOXMP_DEVEXT pExt, QUERYHGSMIRESULT *pResult, PSTATUS_BLOCK pStatus)
{
BOOLEAN bRC = TRUE;
LOGF_ENTER();
if (VBoxCommonFromDeviceExt(pExt)->bHGSMI)
{
pResult->iDevice = pExt->iDevice;
pResult->ulFlags = 0;
pResult->areaDisplay = pExt->areaDisplay;
pResult->u32DisplayInfoSize = VBVA_DISPLAY_INFORMATION_SIZE;
pResult->u32MinVBVABufferSize = VBVA_MIN_BUFFER_SIZE;
pResult->IOPortGuestCommand = VBoxCommonFromDeviceExt(pExt)->guestCtx.port;
pStatus->Information = sizeof(QUERYHGSMIRESULT);
}
else
{
pStatus->Status = ERROR_INVALID_FUNCTION;
bRC=FALSE;
}
LOGF_LEAVE();
return bRC;
}
BOOLEAN VBoxMPQueryRegistryFlags(PVBOXMP_DEVEXT pExt, ULONG *pulFlags, PSTATUS_BLOCK pStatus)
{
BOOLEAN bRC = TRUE;
LOGF_ENTER();
VBOXMPCMNREGISTRY Registry;
int rc = VBoxMPCmnRegInit(pExt, &Registry);
VBOXMP_WARN_VPS_NOBP(rc);
if (rc == NO_ERROR)
{
uint32_t u32Flags = 0;
rc = VBoxMPCmnRegQueryDword(Registry, L"VBoxVideoFlags", &u32Flags);
VBOXMP_WARN_VPS_NOBP(rc);
if (rc != NO_ERROR)
{
u32Flags = 0;
}
LOG(("Registry flags 0x%08X", u32Flags));
*pulFlags = u32Flags;
pStatus->Information = sizeof(ULONG);
}
rc = VBoxMPCmnRegFini(Registry);
VBOXMP_WARN_VPS_NOBP(rc);
LOGF_LEAVE();
return bRC;
}
/* Called to provide us GDI handle for our device, which we should use later for GDI calls */
VOID APIENTRY VBoxDispDrvCompletePDEV(DHPDEV dhpdev, HDEV hdev)
{
LOGF_ENTER();
((PVBOXDISPDEV)dhpdev)->hDevGDI = hdev;
LOGF_LEAVE();
}
/* Free all resources allocated in DrvEnableDriver */
VOID APIENTRY VBoxDispDrvDisableDriver()
{
LOGF_ENTER();
/* Intentionally left blank */
LOGF_LEAVE();
return;
}
DWORD APIENTRY VBoxDispDDAddAttachedSurface(PDD_ADDATTACHEDSURFACEDATA lpAddAttachedSurface)
{
LOGF_ENTER();
lpAddAttachedSurface->ddRVal = DD_OK;
LOGF_LEAVE();
return DDHAL_DRIVER_HANDLED;
}
/* Called for IOCTL_VIDEO_UNSHARE_VIDEO_MEMORY.
* Unmaps framebuffer previously mapped with IOCTL_VIDEO_SHARE_VIDEO_MEMORY.
*/
BOOLEAN VBoxMPUnshareVideoMemory(PVBOXMP_DEVEXT pExt, PVIDEO_SHARE_MEMORY pMem, PSTATUS_BLOCK pStatus)
{
LOGF_ENTER();
pStatus->Status = VideoPortUnmapMemory(pExt, pMem->RequestedVirtualAddress, pMem->ProcessHandle);
LOGF_LEAVE();
return TRUE;
}
/* Called for IOCTL_VIDEO_UNMAP_VIDEO_MEMORY.
* Unmaps previously mapped FrameBuffer and video RAM from caller's virtual adress space.
*/
BOOLEAN VBoxMPUnmapVideoMemory(PVBOXMP_DEVEXT pExt, PVIDEO_MEMORY VideoMemory, PSTATUS_BLOCK pStatus)
{
LOGF_ENTER();
HGSMIAreaClear(&pExt->areaDisplay);
pStatus->Status = VideoPortUnmapMemory(pExt, VideoMemory->RequestedVirtualAddress, NULL);
LOGF_LEAVE();
return TRUE;
}
/* Called to free resources allocated for device in VBoxDispDrvEnablePDEV */
VOID APIENTRY VBoxDispDrvDisablePDEV(DHPDEV dhpdev)
{
LOGF_ENTER();
VBoxDispDestroyPalette((PVBOXDISPDEV) dhpdev);
EngFreeMem(dhpdev);
LOGF_LEAVE();
}
DWORD APIENTRY VBoxDispDDSetOverlayPosition(PDD_SETOVERLAYPOSITIONDATA lpSetOverlayPosition)
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV) lpSetOverlayPosition->lpDD->dhpdev;
DD_SURFACE_LOCAL *pSrcSurf = lpSetOverlayPosition->lpDDSrcSurface;
DD_SURFACE_LOCAL *pDstSurf = lpSetOverlayPosition->lpDDDestSurface;
PVBOXVHWASURFDESC pSrcDesc = (PVBOXVHWASURFDESC) pSrcSurf->lpGbl->dwReserved1;
PVBOXVHWASURFDESC pDstDesc = (PVBOXVHWASURFDESC) pDstSurf->lpGbl->dwReserved1;
LOGF_ENTER();
if (pSrcDesc && pDstDesc)
{
if (!pSrcDesc->bVisible)
{
WARN(("!pSrcDesc->bVisible"));
lpSetOverlayPosition->ddRVal = DDERR_GENERIC;
return DDHAL_DRIVER_HANDLED;
}
VBOXVHWACMD *pCmd;
pCmd = VBoxDispVHWACommandCreate(pDev, VBOXVHWACMD_TYPE_SURF_OVERLAY_SETPOSITION, sizeof(VBOXVHWACMD_SURF_OVERLAY_SETPOSITION));
if (pCmd)
{
VBOXVHWACMD_SURF_OVERLAY_SETPOSITION *pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_SURF_OVERLAY_SETPOSITION);
memset(pBody, 0, sizeof(VBOXVHWACMD_SURF_OVERLAY_SETPOSITION));
pBody->u.in.offSrcSurface = VBoxDispVHWAVramOffsetFromPDEV(pDev, pSrcSurf->lpGbl->fpVidMem);
pBody->u.in.offDstSurface = VBoxDispVHWAVramOffsetFromPDEV(pDev, pDstSurf->lpGbl->fpVidMem);
pBody->u.in.hSrcSurf = pSrcDesc->hHostHandle;
pBody->u.in.hDstSurf = pDstDesc->hHostHandle;
pBody->u.in.xPos = lpSetOverlayPosition->lXPos;
pBody->u.in.yPos = lpSetOverlayPosition->lYPos;
VBoxDispVHWACommandSubmitAsynchAndComplete(pDev, pCmd);
lpSetOverlayPosition->ddRVal = DD_OK;
}
else
{
WARN(("VBoxDispVHWACommandCreate failed!"));
lpSetOverlayPosition->ddRVal = DDERR_GENERIC;
}
}
else
{
WARN(("!(pSrcDesc && pDstDesc)"));
lpSetOverlayPosition->ddRVal = DDERR_GENERIC;
}
LOGF_LEAVE();
return DDHAL_DRIVER_HANDLED;
}
/* Called to check if our hardware supports given power state. */
static VP_STATUS
VBoxDrvGetPowerState(PVOID HwDeviceExtension, ULONG HwId, PVIDEO_POWER_MANAGEMENT VideoPowerControl)
{
PAGED_CODE();
LOGF_ENTER();
/*Not implemented*/
LOGF_LEAVE();
return NO_ERROR;
}
NTSTATUS VBoxIrpPower(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
{
PVBOXMOUSE_DEVEXT pDevExt;
PAGED_CODE();
LOGF_ENTER();
pDevExt = (PVBOXMOUSE_DEVEXT) DeviceObject->DeviceExtension;
PoStartNextPowerIrp(Irp);
IoSkipCurrentIrpStackLocation(Irp);
LOGF_LEAVE();
return PoCallDriver(pDevExt->pdoParent, Irp);
}
/* Called for IOCTL_VIDEO_QUERY_CURRENT_MODE.
* Returns information about current video mode.
*/
BOOLEAN VBoxMPQueryCurrentMode(PVBOXMP_DEVEXT pExt, PVIDEO_MODE_INFORMATION pModeInfo, PSTATUS_BLOCK pStatus)
{
LOGF_ENTER();
pStatus->Information = sizeof(VIDEO_MODE_INFORMATION);
VideoPortMoveMemory(pModeInfo, VBoxMPXpdmCurrentVideoMode(pExt), sizeof(VIDEO_MODE_INFORMATION));
LOGF_LEAVE();
return TRUE;
}
/* Called for IOCTL_VIDEO_QUERY_AVAIL_MODES.
* Returns information about supported video modes.
*/
BOOLEAN VBoxMPQueryAvailModes(PVBOXMP_DEVEXT pExt, PVIDEO_MODE_INFORMATION pModes, PSTATUS_BLOCK pStatus)
{
LOGF_ENTER();
ULONG ulSize = VBoxMPXpdmGetVideoModesCount()*sizeof(VIDEO_MODE_INFORMATION);
pStatus->Information = ulSize;
VideoPortMoveMemory(pModes, VBoxMPCmnGetVideoModeInfo(0), ulSize);
LOGF_LEAVE();
return TRUE;
}
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;
}
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;
}
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;
}
BOOL APIENTRY VBoxDispDrvPaint(SURFOBJ *pso, CLIPOBJ *pco, BRUSHOBJ *pbo, POINTL *pptlBrushOrg, MIX mix)
{
BOOL bRc;
LOGF_ENTER();
STATDRVENTRY(Paint, pso);
bRc = EngPaint (getSurfObj(pso), pco, pbo, pptlBrushOrg, mix);
VBVA_OPERATION(pso, Paint, (pso, pco, pbo, pptlBrushOrg, mix));
LOGF_LEAVE();
return bRc;
}
NTSTATUS VBoxIrpPassthrough(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
{
PVBOXMOUSE_DEVEXT pDevExt;
LOGF_ENTER();
pDevExt = (PVBOXMOUSE_DEVEXT) DeviceObject->DeviceExtension;
IoSkipCurrentIrpStackLocation(Irp);
LOGF_LEAVE();
return IoCallDriver(pDevExt->pdoParent, Irp);
}
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;
}
ULONG APIENTRY VBoxDispDrvDitherColor(DHPDEV dhpdev, ULONG iMode, ULONG rgb, ULONG *pul)
{
ULONG rc;
LOGF_ENTER();
/* There is no EngDitherColor on NT4, so take the easy path and tell the graphics
* engine to create a halftone approximation.
*/
rc = DCR_HALFTONE;
LOGF_LEAVE();
return rc;
}
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;
}
