-VOID FASTCALL
-IntGdiReferencePdev(PPDEVOBJ ppdev)
-{
- if (!hsemDriverMgmt) hsemDriverMgmt = EngCreateSemaphore(); // Hax, should be in dllmain.c
- IntGdiAcquireSemaphore(hsemDriverMgmt);
- ppdev->cPdevRefs++;
- IntGdiReleaseSemaphore(hsemDriverMgmt);
-}
-
-VOID FASTCALL
-IntGdiUnreferencePdev(PPDEVOBJ ppdev, DWORD CleanUpType)
-{
- IntGdiAcquireSemaphore(hsemDriverMgmt);
- ppdev->cPdevRefs--;
- if (!ppdev->cPdevRefs)
- {
- // Handle the destruction of ppdev or PDEVOBJ or PDEVOBJ or PDEV etc.
- }
- IntGdiReleaseSemaphore(hsemDriverMgmt);
-}
-
-
-
-INT
-FASTCALL
-IntGetColorManagementCaps(PPDEVOBJ pDevObj)
-{
- INT ret = CM_NONE;
-
- if ( pDevObj->flFlags & PDEV_DISPLAY)
- {
- if (pDevObj->devinfo.iDitherFormat == BMF_8BPP ||
- pDevObj->devinfo.flGraphicsCaps2 & GCAPS2_CHANGEGAMMARAMP)
- ret = CM_GAMMA_RAMP;
- }
- if (pDevObj->devinfo.flGraphicsCaps & GCAPS_CMYKCOLOR)
- ret |= CM_CMYK_COLOR;
- if (pDevObj->devinfo.flGraphicsCaps & GCAPS_ICM)
- ret |= CM_DEVICE_ICM;
- return ret;
-}
-
-INT FASTCALL
-IntGdiGetDeviceCaps(PDC dc, INT Index)
-{
- INT ret = 0;
- PPDEVOBJ ppdev = dc->ppdev;
- /* Retrieve capability */
- switch (Index)
- {
- case DRIVERVERSION:
- ret = ppdev->gdiinfo.ulVersion;
- break;
-
- case TECHNOLOGY:
- ret = ppdev->gdiinfo.ulTechnology;
- break;
-
- case HORZSIZE:
- ret = ppdev->gdiinfo.ulHorzSize;
- break;
-
- case VERTSIZE:
- ret = ppdev->gdiinfo.ulVertSize;
- break;
-
- case HORZRES:
- ret = ppdev->gdiinfo.ulHorzRes;
- break;
-
- case VERTRES:
- ret = ppdev->gdiinfo.ulVertRes;
- break;
-
- case LOGPIXELSX:
- ret = ppdev->gdiinfo.ulLogPixelsX;
- break;
-
- case LOGPIXELSY:
- ret = ppdev->gdiinfo.ulLogPixelsY;
- break;
-
- case CAPS1:
- if ( ppdev->pGraphicsDevice &&
- (((PGRAPHICS_DEVICE)ppdev->pGraphicsDevice)->StateFlags &
- DISPLAY_DEVICE_MIRRORING_DRIVER))
- ret = C1_MIRRORING;
- break;
-
- case BITSPIXEL:
- ret = ppdev->gdiinfo.cBitsPixel;
- break;
-
- case PLANES:
- ret = ppdev->gdiinfo.cPlanes;
- break;
-
- case NUMBRUSHES:
- ret = -1;
- break;
-
- case NUMPENS:
- ret = ppdev->gdiinfo.ulNumColors;
- if ( ret != -1 ) ret *= 5;
- break;
-
- case NUMFONTS:
- ret = IntcFonts(ppdev);
- break;
-
- case NUMCOLORS:
- ret = ppdev->gdiinfo.ulNumColors;
- break;
-
- case ASPECTX:
- ret = ppdev->gdiinfo.ulAspectX;
- break;
-
- case ASPECTY:
- ret = ppdev->gdiinfo.ulAspectY;
- break;
-
- case ASPECTXY:
- ret = ppdev->gdiinfo.ulAspectXY;
- break;
-
- case CLIPCAPS:
- ret = CP_RECTANGLE;
- break;
-
- case SIZEPALETTE:
- ret = ppdev->gdiinfo.ulNumPalReg;
- break;
-
- case NUMRESERVED:
- ret = 20;
- break;
-
- case COLORRES:
- ret = ppdev->gdiinfo.ulDACRed +
- ppdev->gdiinfo.ulDACGreen +
- ppdev->gdiinfo.ulDACBlue;
- break;
-
- case DESKTOPVERTRES:
- ret = ppdev->gdiinfo.ulVertRes;
- break;
-
- case DESKTOPHORZRES:
- ret = ppdev->gdiinfo.ulHorzRes;
- break;
-
- case BLTALIGNMENT:
- ret = ppdev->gdiinfo.ulBltAlignment;
- break;
-
- case SHADEBLENDCAPS:
- ret = ppdev->gdiinfo.flShadeBlend;
- break;
-
- case COLORMGMTCAPS:
- ret = IntGetColorManagementCaps(ppdev);
- break;
-
- case PHYSICALWIDTH:
- ret = ppdev->gdiinfo.szlPhysSize.cx;
- break;
-
- case PHYSICALHEIGHT:
- ret = ppdev->gdiinfo.szlPhysSize.cy;
- break;
-
- case PHYSICALOFFSETX:
- ret = ppdev->gdiinfo.ptlPhysOffset.x;
- break;
-
- case PHYSICALOFFSETY:
- ret = ppdev->gdiinfo.ptlPhysOffset.y;
- break;
-
- case VREFRESH:
- ret = ppdev->gdiinfo.ulVRefresh;
- break;
-
- case RASTERCAPS:
- ret = ppdev->gdiinfo.flRaster;
- break;
-
- case CURVECAPS:
- ret = (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
- CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
- break;
-
- case LINECAPS:
- ret = (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
- LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
- break;
-
- case POLYGONALCAPS:
- ret = (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
- PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
- break;
-
- case TEXTCAPS:
- ret = ppdev->gdiinfo.flTextCaps;
- if (ppdev->gdiinfo.ulTechnology) ret |= TC_VA_ABLE;
- ret |= (TC_SO_ABLE|TC_UA_ABLE);
- break;
-
- case PDEVICESIZE:
- case SCALINGFACTORX:
- case SCALINGFACTORY:
- default:
- ret = 0;
- break;
- }
-
- return ret;
-}
-
-INT APIENTRY
-NtGdiGetDeviceCaps(HDC hDC,
- INT Index)
-{
- PDC dc;
- INT ret;
-
- dc = DC_LockDc(hDC);
- if (dc == NULL)
- {
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return 0;
- }
-
- ret = IntGdiGetDeviceCaps(dc, Index);
-
- DPRINT("(%04x,%d): returning %d\n", hDC, Index, ret);
-
- DC_UnlockDc( dc );
- return ret;
-}
-
-VOID
-FASTCALL
-IntvGetDeviceCaps(
- PPDEVOBJ pDevObj,
- PDEVCAPS pDevCaps)
-{
- ULONG Tmp = 0;
- PGDIINFO pGdiInfo = &pDevObj->gdiinfo;
-
- pDevCaps->ulVersion = pGdiInfo->ulVersion;
- pDevCaps->ulTechnology = pGdiInfo->ulTechnology;
- pDevCaps->ulHorzSizeM = (pGdiInfo->ulHorzSize + 500) / 1000;
- pDevCaps->ulVertSizeM = (pGdiInfo->ulVertSize + 500) / 1000;
- pDevCaps->ulHorzSize = pGdiInfo->ulHorzSize;
- pDevCaps->ulVertSize = pGdiInfo->ulVertSize;
- pDevCaps->ulHorzRes = pGdiInfo->ulHorzRes;
- pDevCaps->ulVertRes = pGdiInfo->ulVertRes;
- pDevCaps->ulVRefresh = pGdiInfo->ulVRefresh;
- pDevCaps->ulDesktopHorzRes = pGdiInfo->ulHorzRes;
- pDevCaps->ulDesktopVertRes = pGdiInfo->ulVertRes;
- pDevCaps->ulBltAlignment = pGdiInfo->ulBltAlignment;
- pDevCaps->ulPlanes = pGdiInfo->cPlanes;
-
- pDevCaps->ulBitsPixel = pGdiInfo->cBitsPixel;
- if (pGdiInfo->cBitsPixel == 15) pDevCaps->ulBitsPixel = 16;
-
- Tmp = pGdiInfo->ulNumColors;
- if ( Tmp != -1 ) Tmp *= 5;
- pDevCaps->ulNumPens = Tmp;
- pDevCaps->ulNumColors = pGdiInfo->ulNumColors;
-
- pDevCaps->ulNumFonts = IntcFonts(pDevObj);
-
- pDevCaps->ulRasterCaps = pGdiInfo->flRaster;
- pDevCaps->ulShadeBlend = pGdiInfo->flShadeBlend;
- pDevCaps->ulAspectX = pGdiInfo->ulAspectX;
- pDevCaps->ulAspectY = pGdiInfo->ulAspectY;
- pDevCaps->ulAspectXY = pGdiInfo->ulAspectXY;
- pDevCaps->ulLogPixelsX = pGdiInfo->ulLogPixelsX;
- pDevCaps->ulLogPixelsY = pGdiInfo->ulLogPixelsY;
- pDevCaps->ulSizePalette = pGdiInfo->ulNumPalReg;
- pDevCaps->ulColorRes = pGdiInfo->ulDACRed + pGdiInfo->ulDACGreen + pGdiInfo->ulDACBlue;
- pDevCaps->ulPhysicalWidth = pGdiInfo->szlPhysSize.cx;
- pDevCaps->ulPhysicalHeight = pGdiInfo->szlPhysSize.cy;
- pDevCaps->ulPhysicalOffsetX = pGdiInfo->ptlPhysOffset.x;
- pDevCaps->ulPhysicalOffsetY = pGdiInfo->ptlPhysOffset.y;
- pDevCaps->ulPanningHorzRes = pGdiInfo->ulPanningHorzRes;
- pDevCaps->ulPanningVertRes = pGdiInfo->ulPanningVertRes;
- pDevCaps->xPanningAlignment = pGdiInfo->xPanningAlignment;
- pDevCaps->yPanningAlignment = pGdiInfo->yPanningAlignment;
-
- Tmp = 0;
- Tmp = pGdiInfo->flTextCaps | (TC_SO_ABLE|TC_UA_ABLE|TC_CP_STROKE|TC_OP_STROKE|TC_OP_CHARACTER);
-
- pDevCaps->ulTextCaps = pGdiInfo->flTextCaps | (TC_SO_ABLE|TC_UA_ABLE|TC_CP_STROKE|TC_OP_STROKE|TC_OP_CHARACTER);
-
- if (pGdiInfo->ulTechnology)
- pDevCaps->ulTextCaps = Tmp | TC_VA_ABLE;
-
- pDevCaps->ulColorMgmtCaps = IntGetColorManagementCaps(pDevObj);
-
- return;
-}
-
-/*
-* @implemented
-*/
-BOOL
-APIENTRY
-NtGdiGetDeviceCapsAll (
- IN HDC hDC,
- OUT PDEVCAPS pDevCaps)
-{
- PDC dc;
- PDEVCAPS pSafeDevCaps;
- NTSTATUS Status = STATUS_SUCCESS;
-
- dc = DC_LockDc(hDC);
- if (!dc)
- {
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return FALSE;
- }
-
- pSafeDevCaps = ExAllocatePoolWithTag(PagedPool, sizeof(DEVCAPS), TAG_TEMP);
-
- if (!pSafeDevCaps)
- {
- DC_UnlockDc(dc);
- return FALSE;
- }
-
- IntvGetDeviceCaps(dc->ppdev, pSafeDevCaps);
-
- _SEH2_TRY
- {
- ProbeForWrite(pDevCaps,
- sizeof(DEVCAPS),
- 1);
- RtlCopyMemory(pDevCaps, pSafeDevCaps, sizeof(DEVCAPS));
- }
- _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
- {
- Status = _SEH2_GetExceptionCode();
- }
- _SEH2_END;
-
- ExFreePoolWithTag(pSafeDevCaps, TAG_TEMP);
- DC_UnlockDc(dc);
-
- if (!NT_SUCCESS(Status))
- {
- SetLastNtError(Status);
- return FALSE;
- }
- return TRUE;
-}
-
-
-/*
- * @implemented
- */
-DHPDEV
-APIENTRY
-NtGdiGetDhpdev(
- IN HDEV hdev)
-{
- PPDEVOBJ ppdev, pGdiDevice = (PPDEVOBJ) hdev;
- if (!pGdiDevice) return NULL;
- if ( pGdiDevice < (PPDEVOBJ)MmSystemRangeStart) return NULL;
- ppdev = pPrimarySurface;
- IntGdiAcquireSemaphore(hsemDriverMgmt);
- do
- {
- if (pGdiDevice == ppdev) break;
- else
- ppdev = ppdev->ppdevNext;
- }
- while (ppdev != NULL);
- IntGdiReleaseSemaphore(hsemDriverMgmt);
- if (!ppdev) return NULL;
- return pGdiDevice->dhpdev;
-}
-
-static NTSTATUS FASTCALL
-GetVideoRegistryKey(
- OUT PUNICODE_STRING RegistryPath,
- IN PCUNICODE_STRING DeviceName) /* ex: "\Device\Video0" */
-{
- RTL_QUERY_REGISTRY_TABLE QueryTable[2];
- NTSTATUS Status;
-
- RtlInitUnicodeString(RegistryPath, NULL);
- RtlZeroMemory(QueryTable, sizeof(QueryTable));
- QueryTable[0].Flags = RTL_QUERY_REGISTRY_REQUIRED | RTL_QUERY_REGISTRY_DIRECT;
- QueryTable[0].Name = DeviceName->Buffer;
- QueryTable[0].EntryContext = RegistryPath;
-
- Status = RtlQueryRegistryValues(RTL_REGISTRY_DEVICEMAP,
- L"VIDEO",
- QueryTable,
- NULL,
- NULL);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("No %wZ value in DEVICEMAP\\VIDEO found (Status 0x%08lx)\n", DeviceName, Status);
- return STATUS_NO_SUCH_DEVICE;
- }
-
- DPRINT("RegistryPath %wZ\n", RegistryPath);
- return STATUS_SUCCESS;
-}
-
-
-static NTSTATUS FASTCALL
-GetVideoDeviceName(
- OUT PUNICODE_STRING VideoDeviceName,
- IN PCUNICODE_STRING DisplayDevice) /* ex: "\.\DISPLAY1" or "\??\DISPLAY1" */
-{
- UNICODE_STRING Prefix = RTL_CONSTANT_STRING(L"\\??\\");
- UNICODE_STRING ObjectName;
- UNICODE_STRING KernelModeName = { 0, };
- OBJECT_ATTRIBUTES ObjectAttributes;
- USHORT LastSlash;
- ULONG Length;
- HANDLE LinkHandle = NULL;
- NTSTATUS Status;
-
- RtlInitUnicodeString(VideoDeviceName, NULL);
-
- /* Get device name (DisplayDevice is "\.\xxx") */
- for (LastSlash = DisplayDevice->Length / sizeof(WCHAR); LastSlash > 0; LastSlash--)
- {
- if (DisplayDevice->Buffer[LastSlash - 1] == L'\\')
- break;
- }
-
- if (LastSlash == 0)
- {
- DPRINT1("Invalid device name '%wZ'\n", DisplayDevice);
- Status = STATUS_OBJECT_NAME_INVALID;
- goto cleanup;
- }
- ObjectName = *DisplayDevice;
- ObjectName.Length -= LastSlash * sizeof(WCHAR);
- ObjectName.MaximumLength -= LastSlash * sizeof(WCHAR);
- ObjectName.Buffer += LastSlash;
-
- /* Create "\??\xxx" (ex: "\??\DISPLAY1") */
- KernelModeName.MaximumLength = Prefix.Length + ObjectName.Length + sizeof(UNICODE_NULL);
- KernelModeName.Buffer = ExAllocatePoolWithTag(PagedPool,
- KernelModeName.MaximumLength,
- TAG_DC);
- if (!KernelModeName.Buffer)
- {
- Status = STATUS_NO_MEMORY;
- goto cleanup;
- }
- RtlCopyUnicodeString(&KernelModeName, &Prefix);
- Status = RtlAppendUnicodeStringToString(&KernelModeName, &ObjectName);
- if (!NT_SUCCESS(Status))
- goto cleanup;
-
- /* Open \??\xxx (ex: "\??\DISPLAY1") */
- InitializeObjectAttributes(&ObjectAttributes,
- &KernelModeName,
- OBJ_KERNEL_HANDLE,
- NULL,
- NULL);
- Status = ZwOpenSymbolicLinkObject(&LinkHandle,
- GENERIC_READ,
- &ObjectAttributes);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Unable to open symbolic link %wZ (Status 0x%08lx)\n", &KernelModeName, Status);
- Status = STATUS_NO_SUCH_DEVICE;
- goto cleanup;
- }
-
- Status = ZwQuerySymbolicLinkObject(LinkHandle, VideoDeviceName, &Length);
- if (!NT_SUCCESS(Status) && Status != STATUS_BUFFER_TOO_SMALL)
- {
- DPRINT1("Unable to query symbolic link %wZ (Status 0x%08lx)\n", &KernelModeName, Status);
- Status = STATUS_NO_SUCH_DEVICE;
- goto cleanup;
- }
- VideoDeviceName->MaximumLength = Length;
- VideoDeviceName->Buffer = ExAllocatePoolWithTag(PagedPool,
- VideoDeviceName->MaximumLength + sizeof(UNICODE_NULL),
- TAG_DC);
- if (!VideoDeviceName->Buffer)
- {
- Status = STATUS_NO_MEMORY;
- goto cleanup;
- }
- Status = ZwQuerySymbolicLinkObject(LinkHandle, VideoDeviceName, NULL);
- VideoDeviceName->Buffer[VideoDeviceName->MaximumLength / sizeof(WCHAR) - 1] = UNICODE_NULL;
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Unable to query symbolic link %wZ (Status 0x%08lx)\n", &KernelModeName, Status);
- Status = STATUS_NO_SUCH_DEVICE;
- goto cleanup;
- }
- Status = STATUS_SUCCESS;
-
-cleanup:
- if (!NT_SUCCESS(Status) && VideoDeviceName->Buffer)
- ExFreePoolWithTag(VideoDeviceName->Buffer, TAG_DC);
- if (KernelModeName.Buffer)
- ExFreePoolWithTag(KernelModeName.Buffer, TAG_DC);
- if (LinkHandle)
- ZwClose(LinkHandle);
- return Status;
-}
-
-LONG
-FASTCALL
-IntChangeDisplaySettings(
- IN PUNICODE_STRING pDeviceName OPTIONAL,
- IN LPDEVMODEW DevMode,
- IN DWORD dwflags,
- IN PVOID lParam OPTIONAL)
-{
- BOOLEAN NoReset = FALSE;
- BOOLEAN Reset = FALSE;
- LONG Ret = DISP_CHANGE_SUCCESSFUL;
- NTSTATUS Status ;
-
- DPRINT1("display flags : %x\n",dwflags);
-
- if ((dwflags & CDS_UPDATEREGISTRY) == CDS_UPDATEREGISTRY)
- {
- /* Check global, reset and noreset flags */
- if ((dwflags & CDS_GLOBAL) == CDS_GLOBAL)
- DPRINT1("CDS_GLOBAL unhandled");
- if ((dwflags & CDS_NORESET) == CDS_NORESET)
- NoReset = TRUE;
- dwflags &= ~(CDS_GLOBAL | CDS_NORESET);
- }
- if ((dwflags & CDS_RESET) == CDS_RESET)
- Reset = TRUE;
- if ((dwflags & CDS_SET_PRIMARY) == CDS_SET_PRIMARY)
- DPRINT1("CDS_SET_PRIMARY unhandled");
- dwflags &= ~(CDS_RESET | CDS_SET_PRIMARY);
-
- if (Reset && NoReset)
- return DISP_CHANGE_BADFLAGS;
-
- if (dwflags == 0)
- {
- /* Dynamically change graphics mode */
- DPRINT1("flag 0 UNIMPLEMENTED\n");
- SetLastWin32Error(ERROR_CALL_NOT_IMPLEMENTED);
- return DISP_CHANGE_FAILED;
- }
-
- if ((dwflags & CDS_TEST) == CDS_TEST)
- {
- /* Test resolution */
- dwflags &= ~CDS_TEST;
- Status = IntEnumDisplaySettings(pDeviceName, ENUM_REGISTRY_SETTINGS, DevMode, 0);
- if (!NT_SUCCESS(Status))
- Ret = DISP_CHANGE_BADMODE;
- return Ret;
- }
-
- if ((dwflags & CDS_FULLSCREEN) == CDS_FULLSCREEN)
- {
- DEVMODEW lpDevMode;
- /* Full Screen */
- dwflags &= ~CDS_FULLSCREEN;
- DPRINT1("flag CDS_FULLSCREEN partially implemented\n");
- Ret = DISP_CHANGE_FAILED;
-
- RtlZeroMemory(&lpDevMode, sizeof(DEVMODEW));
- lpDevMode.dmSize = sizeof(DEVMODEW);
-
- Status = IntEnumDisplaySettings(pDeviceName, ENUM_CURRENT_SETTINGS, &lpDevMode, 0);
- if (!NT_SUCCESS(Status))
- return DISP_CHANGE_FAILED;
-
- DPRINT1("Req Mode : %d x %d x %d\n", DevMode->dmPelsWidth,DevMode->dmPelsHeight,DevMode->dmBitsPerPel);
- DPRINT1("Current Mode : %d x %d x %d\n", lpDevMode.dmPelsWidth,lpDevMode.dmPelsHeight, lpDevMode.dmBitsPerPel);
-
-
- if ((lpDevMode.dmBitsPerPel == DevMode->dmBitsPerPel) &&
- (lpDevMode.dmPelsWidth == DevMode->dmPelsWidth) &&
- (lpDevMode.dmPelsHeight == DevMode->dmPelsHeight))
- Ret = DISP_CHANGE_SUCCESSFUL;
- }
-
- if ((dwflags & CDS_VIDEOPARAMETERS) == CDS_VIDEOPARAMETERS)
- {
- dwflags &= ~CDS_VIDEOPARAMETERS;
- if (lParam == NULL)
- Ret=DISP_CHANGE_BADPARAM;
- else
- {
- DPRINT1("flag CDS_VIDEOPARAMETERS UNIMPLEMENTED\n");
- Ret = DISP_CHANGE_FAILED;
- SetLastWin32Error(ERROR_CALL_NOT_IMPLEMENTED);
- }
-
- }
-
- if ((dwflags & CDS_UPDATEREGISTRY) == CDS_UPDATEREGISTRY)
- {
-
- UNICODE_STRING DeviceName;
- UNICODE_STRING RegistryKey;
- UNICODE_STRING InDeviceName;
- OBJECT_ATTRIBUTES ObjectAttributes;
- HANDLE DevInstRegKey;
- ULONG NewValue;
-
- DPRINT1("set CDS_UPDATEREGISTRY\n");
-
- dwflags &= ~CDS_UPDATEREGISTRY;
-
- /* Check if pDeviceName is NULL, we need to retrieve it */
- if (pDeviceName == NULL)
- {
- WCHAR szBuffer[MAX_DRIVER_NAME];
- PDC DC;
- PWND Wnd=NULL;
- HWND hWnd;
- HDC hDC;
-
- hWnd = IntGetDesktopWindow();
- if (!(Wnd = UserGetWindowObject(hWnd)))
- {
- return FALSE;
- }
-
- hDC = UserGetWindowDC(Wnd);
-
- DC = DC_LockDc(hDC);
- if (NULL == DC)
- {
- return FALSE;
- }
- swprintf (szBuffer, L"\\\\.\\DISPLAY%lu", DC->ppdev->DisplayNumber);
- DC_UnlockDc(DC);
-
- RtlInitUnicodeString(&InDeviceName, szBuffer);
- pDeviceName = &InDeviceName;
- }
-
- Status = GetVideoDeviceName(&DeviceName, pDeviceName);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Unable to get destination of '%wZ' (Status 0x%08lx)\n", pDeviceName, Status);
- return DISP_CHANGE_FAILED;
- }
- Status = GetVideoRegistryKey(&RegistryKey, &DeviceName);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Unable to get registry key for '%wZ' (Status 0x%08lx)\n", &DeviceName, Status);
- ExFreePoolWithTag(DeviceName.Buffer, TAG_DC);
- return DISP_CHANGE_FAILED;
- }
- ExFreePoolWithTag(DeviceName.Buffer, TAG_DC);
-
- InitializeObjectAttributes(&ObjectAttributes, &RegistryKey,
- OBJ_CASE_INSENSITIVE, NULL, NULL);
- Status = ZwOpenKey(&DevInstRegKey, KEY_SET_VALUE, &ObjectAttributes);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Unable to open registry key %wZ (Status 0x%08lx)\n", &RegistryKey, Status);
- ExFreePoolWithTag(RegistryKey.Buffer, TAG_RTLREGISTRY);
- return DISP_CHANGE_FAILED;
- }
- ExFreePoolWithTag(RegistryKey.Buffer, TAG_RTLREGISTRY);
-
- /* Update needed fields */
- if (NT_SUCCESS(Status) && DevMode->dmFields & DM_BITSPERPEL)
- {
- RtlInitUnicodeString(&RegistryKey, L"DefaultSettings.BitsPerPel");
- NewValue = DevMode->dmBitsPerPel;
- Status = ZwSetValueKey(DevInstRegKey, &RegistryKey, 0, REG_DWORD, &NewValue, sizeof(NewValue));
- }
-
- if (NT_SUCCESS(Status) && DevMode->dmFields & DM_PELSWIDTH)
- {
- RtlInitUnicodeString(&RegistryKey, L"DefaultSettings.XResolution");
- NewValue = DevMode->dmPelsWidth;
- Status = ZwSetValueKey(DevInstRegKey, &RegistryKey, 0, REG_DWORD, &NewValue, sizeof(NewValue));
- }
-
- if (NT_SUCCESS(Status) && DevMode->dmFields & DM_PELSHEIGHT)
- {
- RtlInitUnicodeString(&RegistryKey, L"DefaultSettings.YResolution");
- NewValue = DevMode->dmPelsHeight;
- Status = ZwSetValueKey(DevInstRegKey, &RegistryKey, 0, REG_DWORD, &NewValue, sizeof(NewValue));
- }
-
- if (NT_SUCCESS(Status) && DevMode->dmFields & DM_DISPLAYFREQUENCY)
- {
- RtlInitUnicodeString(&RegistryKey, L"DefaultSettings.VRefresh");
- NewValue = DevMode->dmDisplayFrequency;
- Status = ZwSetValueKey(DevInstRegKey, &RegistryKey, 0, REG_DWORD, &NewValue, sizeof(NewValue));
- }
-
- ZwClose(DevInstRegKey);
- if (NT_SUCCESS(Status))
- Ret = DISP_CHANGE_RESTART;
- else
- /* return DISP_CHANGE_NOTUPDATED when we can save to reg only valid for NT */
- Ret = DISP_CHANGE_NOTUPDATED;
- }
-
- if (dwflags != 0)
- Ret = DISP_CHANGE_BADFLAGS;
-
- DPRINT("IntChangeDisplaySettings returning %x\n", Ret);
- return Ret;
-}
-
-
-
-#define SIZEOF_DEVMODEW_300 188
-#define SIZEOF_DEVMODEW_400 212
-#define SIZEOF_DEVMODEW_500 220
-
-static NTSTATUS FASTCALL
-GetDisplayNumberFromDeviceName(
- IN PUNICODE_STRING pDeviceName OPTIONAL,
- OUT ULONG *DisplayNumber)
-{
- UNICODE_STRING DisplayString = RTL_CONSTANT_STRING(L"\\\\.\\DISPLAY");
- NTSTATUS Status = STATUS_SUCCESS;
- ULONG Length;
- ULONG Number;
- ULONG i;
-
- if (DisplayNumber == NULL)
- return STATUS_INVALID_PARAMETER_2;
-
- /* Check if DeviceName is valid */
- if (pDeviceName &&
- pDeviceName->Length > 0 && pDeviceName->Length <= DisplayString.Length)
- return STATUS_OBJECT_NAME_INVALID;
-
- if (pDeviceName == NULL || pDeviceName->Length == 0)
- {
- PWND DesktopObject;
- HDC DesktopHDC;
- PDC pDC;
-
- DesktopObject = UserGetDesktopWindow();
- DesktopHDC = UserGetWindowDC(DesktopObject);
- pDC = DC_LockDc(DesktopHDC);
-
- *DisplayNumber = pDC->ppdev->DisplayNumber;
-
- DC_UnlockDc(pDC);
- UserReleaseDC(DesktopObject, DesktopHDC, FALSE);
-
- return STATUS_SUCCESS;
- }
-
- /* Hack to check if the first parts are equal, by faking the device name length */
- Length = pDeviceName->Length;
- pDeviceName->Length = DisplayString.Length;
- if (RtlEqualUnicodeString(&DisplayString, pDeviceName, FALSE) == FALSE)
- Status = STATUS_OBJECT_NAME_INVALID;
- pDeviceName->Length = Length;
-
- if (NT_SUCCESS(Status))
- {
- /* Convert the last part of pDeviceName to a number */
- Number = 0;
- Length = pDeviceName->Length / sizeof(WCHAR);
- for (i = DisplayString.Length / sizeof(WCHAR); i < Length; i++)
- {
- WCHAR Char = pDeviceName->Buffer[i];
- if (Char >= L'0' && Char <= L'9')
- Number = Number * 10 + Char - L'0';
- else if (Char != L'\0')
- return STATUS_OBJECT_NAME_INVALID;
- }
-
- *DisplayNumber = Number - 1;
- }
-
- return Status;
-}
-
-/*! \brief Enumerate possible display settings for the given display...
- *
- * \todo Make thread safe!?
- * \todo Don't ignore pDeviceName
- * \todo Implement non-raw mode (only return settings valid for driver and monitor)
- */
-NTSTATUS
-FASTCALL
-IntEnumDisplaySettings(
- IN PUNICODE_STRING pDeviceName OPTIONAL,
- IN DWORD iModeNum,
- IN OUT LPDEVMODEW pDevMode,
- IN DWORD dwFlags)
-{
- static DEVMODEW *CachedDevModes = NULL, *CachedDevModesEnd = NULL;
- static DWORD SizeOfCachedDevModes = 0;
- static UNICODE_STRING CachedDeviceName;
- PDEVMODEW CachedMode = NULL;
- DEVMODEW DevMode;
- ULONG DisplayNumber;
- NTSTATUS Status;
-
- Status = GetDisplayNumberFromDeviceName(pDeviceName, &DisplayNumber);
- if (!NT_SUCCESS(Status))
- {
- return Status;
- }
-
- if (pDevMode != NULL)
- {
- DPRINT("DevMode->dmSize = %d\n", pDevMode->dmSize);
- DPRINT("DevMode->dmExtraSize = %d\n", pDevMode->dmDriverExtra);
- if (pDevMode->dmSize != SIZEOF_DEVMODEW_300 &&
- pDevMode->dmSize != SIZEOF_DEVMODEW_400 &&
- pDevMode->dmSize != SIZEOF_DEVMODEW_500)
- {
- return STATUS_BUFFER_TOO_SMALL;
- }
- }
-
- if (iModeNum == ENUM_CURRENT_SETTINGS)
- {
- CachedMode = &PrimarySurface.DMW;
- ASSERT(CachedMode->dmSize > 0);
- }
- else if (iModeNum == ENUM_REGISTRY_SETTINGS)
- {
- RtlZeroMemory(&DevMode, sizeof (DevMode));
- DevMode.dmSize = sizeof (DevMode);
- DevMode.dmDriverExtra = 0;
- if (SetupDevMode(&DevMode, DisplayNumber))
- CachedMode = &DevMode;
- else
- {
- return STATUS_UNSUCCESSFUL; // FIXME: what status?
- }
- /* FIXME: Maybe look for the matching devmode supplied by the
- * driver so we can provide driver private/extra data?
- */
- }
- else
- {
- BOOL IsCachedDevice = (CachedDevModes != NULL);
-
- if (CachedDevModes &&
- ((pDeviceName == NULL && CachedDeviceName.Length > 0) ||
- (pDeviceName != NULL && pDeviceName->Buffer != NULL && CachedDeviceName.Length == 0) ||
- (pDeviceName != NULL && pDeviceName->Buffer != NULL && CachedDeviceName.Length > 0 && RtlEqualUnicodeString(pDeviceName, &CachedDeviceName, TRUE) == FALSE)))
- {
- IsCachedDevice = FALSE;
- }
-
- if (iModeNum == 0 || IsCachedDevice == FALSE) /* query modes from drivers */
- {
- UNICODE_STRING DriverFileNames;
- LPWSTR CurrentName;
- DRVENABLEDATA DrvEnableData;
-
- /* Free resources from last driver cache */
- if (IsCachedDevice == FALSE && CachedDeviceName.Buffer != NULL)
- {
- RtlFreeUnicodeString(&CachedDeviceName);
- }
-
- /* Retrieve DDI driver names from registry */
- RtlInitUnicodeString(&DriverFileNames, NULL);
- if (!FindDriverFileNames(&DriverFileNames, DisplayNumber))
- {
- DPRINT1("FindDriverFileNames failed\n");
- return STATUS_UNSUCCESSFUL;
- }
-
- if (!IntPrepareDriverIfNeeded())
- {
- DPRINT1("IntPrepareDriverIfNeeded failed\n");
- return STATUS_UNSUCCESSFUL;
- }
-
- /*
- * DriverFileNames may be a list of drivers in REG_SZ_MULTI format,
- * scan all of them until a good one found.
- */
- CurrentName = DriverFileNames.Buffer;
- for (;CurrentName < DriverFileNames.Buffer + (DriverFileNames.Length / sizeof (WCHAR));
- CurrentName += wcslen(CurrentName) + 1)
- {
- INT i;
- PFN_DrvEnableDriver GDEnableDriver;
- PFN_DrvGetModes GetModes = NULL;
- INT SizeNeeded, SizeUsed;
-
- /* Get the DDI driver's entry point */
- //GDEnableDriver = DRIVER_FindDDIDriver(CurrentName);
- GDEnableDriver = DRIVER_FindExistingDDIDriver(L"DISPLAY");
- if (NULL == GDEnableDriver)
- {
- DPRINT("FindDDIDriver failed for %S\n", CurrentName);
- continue;
- }
-
- /* Call DDI driver's EnableDriver function */
- RtlZeroMemory(&DrvEnableData, sizeof(DrvEnableData));
-
- if (!GDEnableDriver(DDI_DRIVER_VERSION_NT5_01, sizeof (DrvEnableData), &DrvEnableData))
- {
- DPRINT("DrvEnableDriver failed for %S\n", CurrentName);
- continue;
- }
-
- CachedDevModesEnd = CachedDevModes;
-
- /* find DrvGetModes function */
- for (i = 0; i < DrvEnableData.c; i++)
- {
- PDRVFN DrvFn = DrvEnableData.pdrvfn + i;
-
- if (DrvFn->iFunc == INDEX_DrvGetModes)
- {
- GetModes = (PFN_DrvGetModes)DrvFn->pfn;
- break;
- }
- }
-
- if (GetModes == NULL)
- {
- DPRINT("DrvGetModes doesn't exist for %S\n", CurrentName);
- continue;
- }
-
- /* make sure we have enough memory to hold the modes */
- SizeNeeded = GetModes((HANDLE)(PrimarySurface.VideoFileObject->DeviceObject), 0, NULL);
- if (SizeNeeded <= 0)
- {
- DPRINT("DrvGetModes failed for %S\n", CurrentName);
- break;
- }
-
- SizeUsed = (PCHAR)CachedDevModesEnd - (PCHAR)CachedDevModes;
- if (SizeOfCachedDevModes < SizeUsed + SizeNeeded)
- {
- PVOID NewBuffer;
-
- SizeOfCachedDevModes += SizeNeeded;
- NewBuffer = ExAllocatePoolWithTag(PagedPool, SizeOfCachedDevModes, GDITAG_DEVMODE);
- if (NewBuffer == NULL)
- {
- /* clean up */
- ExFreePool(CachedDevModes);
- CachedDevModes = NULL;
- CachedDevModesEnd = NULL;
- SizeOfCachedDevModes = 0;
-
- if (CachedDeviceName.Buffer != NULL)
- RtlFreeUnicodeString(&CachedDeviceName);
-
- return STATUS_NO_MEMORY;
- }
- if (CachedDevModes != NULL)
- {
- RtlCopyMemory(NewBuffer, CachedDevModes, SizeUsed);
- ExFreePool(CachedDevModes);
- }
- CachedDevModes = NewBuffer;
- CachedDevModesEnd = (DEVMODEW *)((PCHAR)NewBuffer + SizeUsed);
- }
-
- if (!IsCachedDevice)
- {
- if (CachedDeviceName.Buffer != NULL)
- RtlFreeUnicodeString(&CachedDeviceName);
-
- if (pDeviceName)
- IntSafeCopyUnicodeString(&CachedDeviceName, pDeviceName);
-
- IsCachedDevice = TRUE;
- }
-
- /* query modes */
- SizeNeeded = GetModes((HANDLE)(PrimarySurface.VideoFileObject->DeviceObject),
- SizeNeeded,
- CachedDevModesEnd);
- if (SizeNeeded <= 0)
- {
- DPRINT("DrvGetModes failed for %S\n", CurrentName);
- }
- else
- {
- CachedDevModesEnd = (DEVMODEW *)((PCHAR)CachedDevModesEnd + SizeNeeded);
- }
- }
-
- ExFreePoolWithTag(DriverFileNames.Buffer, TAG_RTLREGISTRY);
- }
-
- /* return cached info */
- CachedMode = CachedDevModes;
- if (CachedMode >= CachedDevModesEnd)
- {
- return STATUS_NO_MORE_ENTRIES;
- }
- while (iModeNum-- > 0 && CachedMode < CachedDevModesEnd)
- {
- ASSERT(CachedMode->dmSize > 0);
- CachedMode = (DEVMODEW *)((PCHAR)CachedMode + CachedMode->dmSize + CachedMode->dmDriverExtra);
- }
- if (CachedMode >= CachedDevModesEnd)
- {
- return STATUS_NO_MORE_ENTRIES;
- }
- }
-
- ASSERT(CachedMode != NULL);
-
- if (pDevMode != NULL)
- {
- RtlCopyMemory(pDevMode, CachedMode, min(pDevMode->dmSize, CachedMode->dmSize));
- RtlZeroMemory(pDevMode + pDevMode->dmSize, pDevMode->dmDriverExtra);
- RtlCopyMemory(pDevMode + min(pDevMode->dmSize, CachedMode->dmSize), CachedMode + CachedMode->dmSize, min(pDevMode->dmDriverExtra, CachedMode->dmDriverExtra));
- }
-
- return STATUS_SUCCESS;
-}
-
projects / reactos.git / blobdiff