2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS kernel
4 * PURPOSE: Support for physical devices
5 * FILE: subsystems/win32/win32k/eng/pdevobj.c
6 * PROGRAMER: Timo Kreuzer (timo.kreuzer@reactos.org)
13 PPDEVOBJ gppdevPrimary
= NULL
;
15 static PPDEVOBJ gppdevList
= NULL
;
16 static HSEMAPHORE ghsemPDEV
;
23 ghsemPDEV
= EngCreateSemaphore();
24 if (!ghsemPDEV
) return STATUS_INSUFFICIENT_RESOURCES
;
25 return STATUS_SUCCESS
;
31 DbgLookupDHPDEV(DHPDEV dhpdev
)
36 EngAcquireSemaphoreShared(ghsemPDEV
);
38 /* Walk through the list of PDEVs */
39 for (ppdev
= gppdevList
; ppdev
; ppdev
= ppdev
->ppdevNext
)
41 /* Compare with the given DHPDEV */
42 if (ppdev
->dhpdev
== dhpdev
) break;
45 /* Unlock PDEV list */
46 EngReleaseSemaphore(ghsemPDEV
);
57 ppdev
= ExAllocatePoolWithTag(PagedPool
, sizeof(PDEVOBJ
), GDITAG_PDEV
);
61 RtlZeroMemory(ppdev
, sizeof(PDEVOBJ
));
70 PDEVOBJ_vRelease(PPDEVOBJ ppdev
)
73 EngAcquireSemaphore(ghsemPDEV
);
75 /* Decrease reference count */
78 ASSERT(ppdev
->cPdevRefs
>= 0) ;
80 /* Check if references are left */
81 if (ppdev
->cPdevRefs
== 0)
83 /* Do we have a surface? */
86 /* Release the surface and let the driver free it */
87 SURFACE_ShareUnlockSurface(ppdev
->pSurface
);
88 ppdev
->pfn
.DisableSurface(ppdev
->dhpdev
);
91 /* Do we have a palette? */
94 PALETTE_ShareUnlockPalette(ppdev
->ppalSurf
);
98 ppdev
->pfn
.DisablePDEV(ppdev
->dhpdev
);
100 /* Remove it from list */
101 if( ppdev
== gppdevList
)
102 gppdevList
= ppdev
->ppdevNext
;
105 PPDEVOBJ ppdevCurrent
= gppdevList
;
107 while (!found
&& ppdevCurrent
->ppdevNext
)
109 if (ppdevCurrent
->ppdevNext
== ppdev
)
112 ppdevCurrent
= ppdevCurrent
->ppdevNext
;
115 ppdevCurrent
->ppdevNext
= ppdev
->ppdevNext
;
118 /* Is this the primary one ? */
119 if (ppdev
== gppdevPrimary
)
120 gppdevPrimary
= NULL
;
123 ExFreePoolWithTag(ppdev
, GDITAG_PDEV
);
127 EngReleaseSemaphore(ghsemPDEV
);
136 PWSTR pwszLogAddress
)
138 PFN_DrvEnablePDEV pfnEnablePDEV
;
141 DPRINT("PDEVOBJ_bEnablePDEV()\n");
143 /* Get the DrvEnablePDEV function */
144 pfnEnablePDEV
= ppdev
->pldev
->pfn
.EnablePDEV
;
146 /* Call the drivers DrvEnablePDEV function */
147 ppdev
->dhpdev
= pfnEnablePDEV(pdevmode
,
152 (PULONG
)&ppdev
->gdiinfo
,
156 ppdev
->pGraphicsDevice
->pwszDescription
,
157 ppdev
->pGraphicsDevice
->DeviceObject
);
159 /* Fix up some values */
160 if (ppdev
->gdiinfo
.ulLogPixelsX
== 0)
161 ppdev
->gdiinfo
.ulLogPixelsX
= 96;
163 if (ppdev
->gdiinfo
.ulLogPixelsY
== 0)
164 ppdev
->gdiinfo
.ulLogPixelsY
= 96;
166 /* Set raster caps */
167 ppdev
->gdiinfo
.flRaster
= RC_OP_DX_OUTPUT
| RC_GDI20_OUTPUT
| RC_BIGFONT
;
168 if ((ppdev
->gdiinfo
.ulTechnology
!= DT_PLOTTER
) && (ppdev
->gdiinfo
.ulTechnology
!= DT_CHARSTREAM
))
169 ppdev
->gdiinfo
.flRaster
|= RC_STRETCHDIB
| RC_STRETCHBLT
| RC_DIBTODEV
| RC_DI_BITMAP
| RC_BITMAP64
| RC_BITBLT
;
170 if (ppdev
->gdiinfo
.ulTechnology
== DT_RASDISPLAY
)
171 ppdev
->gdiinfo
.flRaster
|= RC_FLOODFILL
;
172 if (ppdev
->devinfo
.flGraphicsCaps
& GCAPS_PALMANAGED
)
173 ppdev
->gdiinfo
.flRaster
|= RC_PALETTE
;
176 ppdev
->ppalSurf
= PALETTE_ShareLockPalette(ppdev
->devinfo
.hpalDefault
);
178 /* Setup hatch brushes */
179 for (i
= 0; i
< HS_DDI_MAX
; i
++)
181 if (ppdev
->ahsurf
[i
] == NULL
)
182 ppdev
->ahsurf
[i
] = gahsurfHatch
[i
];
185 DPRINT("PDEVOBJ_bEnablePDEV - dhpdev = %p\n", ppdev
->dhpdev
);
192 PDEVOBJ_vCompletePDEV(
195 /* Call the drivers DrvCompletePDEV function */
196 ppdev
->pldev
->pfn
.CompletePDEV(ppdev
->dhpdev
, (HDEV
)ppdev
);
206 /* Check if we already have a surface */
209 /* Increment reference count */
210 GDIOBJ_vReferenceObjectByPointer(&ppdev
->pSurface
->BaseObject
);
214 /* Call the drivers DrvEnableSurface */
215 hsurf
= ppdev
->pldev
->pfn
.EnableSurface(ppdev
->dhpdev
);
217 /* Lock the surface */
218 ppdev
->pSurface
= SURFACE_ShareLockSurface(hsurf
);
221 DPRINT("PDEVOBJ_pSurface() returning %p\n", ppdev
->pSurface
);
222 return ppdev
->pSurface
;
227 PDEVOBJ_pdmMatchDevMode(
231 PGRAPHICS_DEVICE pGraphicsDevice
;
232 PDEVMODEW pdmCurrent
;
236 pGraphicsDevice
= ppdev
->pGraphicsDevice
;
238 for (i
= 0; i
< pGraphicsDevice
->cDevModes
; i
++)
240 pdmCurrent
= pGraphicsDevice
->pDevModeList
[i
].pdm
;
242 /* Compare asked DEVMODE fields
243 * Only compare those that are valid in both DEVMODE structs */
244 dwFields
= pdmCurrent
->dmFields
& pdm
->dmFields
;
246 /* For now, we only need those */
247 if ((dwFields
& DM_BITSPERPEL
) &&
248 (pdmCurrent
->dmBitsPerPel
!= pdm
->dmBitsPerPel
)) continue;
249 if ((dwFields
& DM_PELSWIDTH
) &&
250 (pdmCurrent
->dmPelsWidth
!= pdm
->dmPelsWidth
)) continue;
251 if ((dwFields
& DM_PELSHEIGHT
) &&
252 (pdmCurrent
->dmPelsHeight
!= pdm
->dmPelsHeight
)) continue;
253 if ((dwFields
& DM_DISPLAYFREQUENCY
) &&
254 (pdmCurrent
->dmDisplayFrequency
!= pdm
->dmDisplayFrequency
)) continue;
256 /* Match! Return the DEVMODE */
267 PUNICODE_STRING pustrDeviceName
,
270 PGRAPHICS_DEVICE pGraphicsDevice
;
272 DPRINT("EngpCreatePDEV(%wZ, %p)\n", pustrDeviceName
, pdm
);
274 /* Try to find the GRAPHICS_DEVICE */
277 pGraphicsDevice
= EngpFindGraphicsDevice(pustrDeviceName
, 0, 0);
278 if (!pGraphicsDevice
)
280 DPRINT1("No GRAPHICS_DEVICE found for %ls!\n",
281 pustrDeviceName
? pustrDeviceName
->Buffer
: 0);
287 pGraphicsDevice
= gpPrimaryGraphicsDevice
;
290 /* Allocate a new PDEVOBJ */
291 ppdev
= PDEVOBJ_AllocPDEV();
294 DPRINT1("failed to allocate a PDEV\n");
298 /* If no DEVMODEW is given, ... */
301 /* ... use the device's default one */
302 pdm
= pGraphicsDevice
->pDevModeList
[pGraphicsDevice
->iDefaultMode
].pdm
;
303 DPRINT("Using iDefaultMode = %lu\n", pGraphicsDevice
->iDefaultMode
);
306 /* Try to get a diplay driver */
307 ppdev
->pldev
= EngLoadImageEx(pdm
->dmDeviceName
, LDEV_DEVICE_DISPLAY
);
310 DPRINT1("Could not load display driver '%ls', '%ls'\n",
311 pGraphicsDevice
->pDiplayDrivers
,
313 ExFreePoolWithTag(ppdev
, GDITAG_PDEV
);
317 /* Copy the function table */
318 ppdev
->pfn
= ppdev
->pldev
->pfn
;
320 /* Set MovePointer function */
321 ppdev
->pfnMovePointer
= ppdev
->pfn
.MovePointer
;
322 if (!ppdev
->pfnMovePointer
)
323 ppdev
->pfnMovePointer
= EngMovePointer
;
325 ppdev
->pGraphicsDevice
= pGraphicsDevice
;
326 ppdev
->hsemDevLock
= EngCreateSemaphore();
327 // Should we change the ative mode of pGraphicsDevice ?
328 ppdev
->pdmwDev
= PDEVOBJ_pdmMatchDevMode(ppdev
, pdm
) ;
331 ppdev
->flFlags
= PDEV_DISPLAY
;
333 /* HACK: Don't use the pointer */
334 ppdev
->Pointer
.Exclude
.right
= -1;
336 /* Call the driver to enable the PDEV */
337 if (!PDEVOBJ_bEnablePDEV(ppdev
, pdm
, NULL
))
339 DPRINT1("Failed to enable PDEV!\n");
343 /* FIXME: this must be done in a better way */
344 pGraphicsDevice
->StateFlags
|= DISPLAY_DEVICE_ATTACHED_TO_DESKTOP
;
346 /* Tell the driver that the PDEV is ready */
347 PDEVOBJ_vCompletePDEV(ppdev
);
349 /* Return the PDEV */
356 _Inout_ PVOID pvPointer1
,
357 _Inout_ PVOID pvPointer2
)
359 PVOID
*ppvPointer1
= pvPointer1
;
360 PVOID
*ppvPointer2
= pvPointer2
;
363 pvTemp
= *ppvPointer1
;
364 *ppvPointer1
= *ppvPointer2
;
365 *ppvPointer2
= pvTemp
;
376 DRIVER_FUNCTIONS pfn
;
382 /* Exchange driver functions */
383 temp
.pfn
= ppdev
->pfn
;
384 ppdev
->pfn
= ppdev2
->pfn
;
385 ppdev2
->pfn
= temp
.pfn
;
388 SwitchPointer(&ppdev
->pldev
, &ppdev2
->pldev
);
390 /* Exchange DHPDEV */
391 SwitchPointer(&ppdev
->dhpdev
, &ppdev2
->dhpdev
);
393 /* Exchange surfaces and associate them with their new PDEV */
394 SwitchPointer(&ppdev
->pSurface
, &ppdev2
->pSurface
);
395 ppdev
->pSurface
->SurfObj
.hdev
= (HDEV
)ppdev
;
396 ppdev2
->pSurface
->SurfObj
.hdev
= (HDEV
)ppdev2
;
398 /* Exchange devinfo */
399 temp
.devinfo
= ppdev
->devinfo
;
400 ppdev
->devinfo
= ppdev2
->devinfo
;
401 ppdev2
->devinfo
= temp
.devinfo
;
403 /* Exchange gdiinfo */
404 temp
.gdiinfo
= ppdev
->gdiinfo
;
405 ppdev
->gdiinfo
= ppdev2
->gdiinfo
;
406 ppdev2
->gdiinfo
= temp
.gdiinfo
;
408 /* Exchange DEVMODE */
409 SwitchPointer(&ppdev
->pdmwDev
, &ppdev2
->pdmwDev
);
411 /* Exchange state flags */
412 temp
.StateFlags
= ppdev
->pGraphicsDevice
->StateFlags
;
413 ppdev
->pGraphicsDevice
->StateFlags
= ppdev2
->pGraphicsDevice
->StateFlags
;
414 ppdev2
->pGraphicsDevice
->StateFlags
= temp
.StateFlags
;
416 /* Notify each driver instance of its new HDEV association */
417 ppdev
->pfn
.CompletePDEV(ppdev
->dhpdev
, (HDEV
)ppdev
);
418 ppdev2
->pfn
.CompletePDEV(ppdev2
->dhpdev
, (HDEV
)ppdev2
);
428 UNICODE_STRING ustrDevice
;
434 EngAcquireSemaphore(ppdev
->hsemDevLock
);
436 /* And everything else */
437 EngAcquireSemaphore(ghsemPDEV
);
439 DPRINT1("PDEVOBJ_bSwitchMode, ppdev = %p, pSurface = %p\n", ppdev
, ppdev
->pSurface
);
441 // Lookup the GraphicsDevice + select DEVMODE
442 // pdm = PDEVOBJ_pdmMatchDevMode(ppdev, pdm);
444 /* 1. Temporarily disable the current PDEV */
445 if (!ppdev
->pfn
.AssertMode(ppdev
->dhpdev
, FALSE
))
447 DPRINT1("DrvAssertMode failed\n");
451 /* 2. Create new PDEV */
452 RtlInitUnicodeString(&ustrDevice
, ppdev
->pGraphicsDevice
->szWinDeviceName
);
453 ppdevTmp
= EngpCreatePDEV(&ustrDevice
, pdm
);
456 DPRINT1("Failed to create a new PDEV\n");
460 /* 3. Create a new surface */
461 pSurface
= PDEVOBJ_pSurface(ppdevTmp
);
464 DPRINT1("DrvEnableSurface failed\n");
468 /* 4. Get DirectDraw information */
469 /* 5. Enable DirectDraw Not traced */
470 /* 6. Copy old PDEV state to new PDEV instance */
472 /* 7. Switch the PDEVs */
473 PDEVOBJ_vSwitchPdev(ppdev
, ppdevTmp
);
475 /* 8. Disable DirectDraw */
477 PDEVOBJ_vRelease(ppdevTmp
);
479 /* Update primary display capabilities */
480 if(ppdev
== gppdevPrimary
)
482 PDEVOBJ_vGetDeviceCaps(ppdev
, &GdiHandleTable
->DevCaps
);
489 EngReleaseSemaphore(ppdev
->hsemDevLock
);
490 EngReleaseSemaphore(ghsemPDEV
);
492 DPRINT1("leave, ppdev = %p, pSurface = %p\n", ppdev
, ppdev
->pSurface
);
501 _In_opt_ PUNICODE_STRING pustrDeviceName
)
503 UNICODE_STRING ustrCurrent
;
505 PGRAPHICS_DEVICE pGraphicsDevice
;
507 /* Acquire PDEV lock */
508 EngAcquireSemaphore(ghsemPDEV
);
510 /* Did the caller pass a device name? */
513 /* Loop all present PDEVs */
514 for (ppdev
= gppdevList
; ppdev
; ppdev
= ppdev
->ppdevNext
)
516 /* Get a pointer to the GRAPHICS_DEVICE */
517 pGraphicsDevice
= ppdev
->pGraphicsDevice
;
519 /* Compare the name */
520 RtlInitUnicodeString(&ustrCurrent
, pGraphicsDevice
->szWinDeviceName
);
521 if (RtlEqualUnicodeString(pustrDeviceName
, &ustrCurrent
, FALSE
))
530 /* Otherwise use the primary PDEV */
531 ppdev
= gppdevPrimary
;
534 /* Did we find one? */
537 /* Yes, reference the PDEV */
538 InterlockedIncrement(&ppdev
->cPdevRefs
);
542 /* No, create a new PDEV for the given device */
543 ppdev
= EngpCreatePDEV(pustrDeviceName
, NULL
);
546 /* Insert the PDEV into the list */
547 ppdev
->ppdevNext
= gppdevList
;
550 /* Set as primary PDEV, if we don't have one yet */
553 gppdevPrimary
= ppdev
;
554 ppdev
->pGraphicsDevice
->StateFlags
|= DISPLAY_DEVICE_PRIMARY_DEVICE
;
559 /* Release PDEV lock */
560 EngReleaseSemaphore(ghsemPDEV
);
567 PDEVOBJ_iGetColorManagementCaps(PPDEVOBJ ppdev
)
571 if (ppdev
->flFlags
& PDEV_DISPLAY
)
573 if (ppdev
->devinfo
.iDitherFormat
== BMF_8BPP
||
574 ppdev
->devinfo
.flGraphicsCaps2
& GCAPS2_CHANGEGAMMARAMP
)
578 if (ppdev
->devinfo
.flGraphicsCaps
& GCAPS_CMYKCOLOR
)
579 ret
|= CM_CMYK_COLOR
;
580 if (ppdev
->devinfo
.flGraphicsCaps
& GCAPS_ICM
)
581 ret
|= CM_DEVICE_ICM
;
588 PDEVOBJ_vGetDeviceCaps(
590 OUT PDEVCAPS pDevCaps
)
592 PGDIINFO pGdiInfo
= &ppdev
->gdiinfo
;
594 pDevCaps
->ulVersion
= pGdiInfo
->ulVersion
;
595 pDevCaps
->ulTechnology
= pGdiInfo
->ulTechnology
;
596 pDevCaps
->ulHorzSizeM
= (pGdiInfo
->ulHorzSize
+ 500) / 1000;
597 pDevCaps
->ulVertSizeM
= (pGdiInfo
->ulVertSize
+ 500) / 1000;
598 pDevCaps
->ulHorzSize
= pGdiInfo
->ulHorzSize
;
599 pDevCaps
->ulVertSize
= pGdiInfo
->ulVertSize
;
600 pDevCaps
->ulHorzRes
= pGdiInfo
->ulHorzRes
;
601 pDevCaps
->ulVertRes
= pGdiInfo
->ulVertRes
;
602 pDevCaps
->ulBitsPixel
= pGdiInfo
->cBitsPixel
;
603 if (pDevCaps
->ulBitsPixel
== 15) pDevCaps
->ulBitsPixel
= 16;
604 pDevCaps
->ulPlanes
= pGdiInfo
->cPlanes
;
605 pDevCaps
->ulNumPens
= pGdiInfo
->ulNumColors
;
606 if (pDevCaps
->ulNumPens
!= -1) pDevCaps
->ulNumPens
*= 5;
607 pDevCaps
->ulNumFonts
= 0; // PDEVOBJ_cFonts(ppdev);
608 pDevCaps
->ulNumColors
= pGdiInfo
->ulNumColors
;
609 pDevCaps
->ulRasterCaps
= pGdiInfo
->flRaster
;
610 pDevCaps
->ulAspectX
= pGdiInfo
->ulAspectX
;
611 pDevCaps
->ulAspectY
= pGdiInfo
->ulAspectY
;
612 pDevCaps
->ulAspectXY
= pGdiInfo
->ulAspectXY
;
613 pDevCaps
->ulLogPixelsX
= pGdiInfo
->ulLogPixelsX
;
614 pDevCaps
->ulLogPixelsY
= pGdiInfo
->ulLogPixelsY
;
615 pDevCaps
->ulSizePalette
= pGdiInfo
->ulNumPalReg
;
616 pDevCaps
->ulColorRes
= pGdiInfo
->ulDACRed
+
617 pGdiInfo
->ulDACGreen
+
619 pDevCaps
->ulPhysicalWidth
= pGdiInfo
->szlPhysSize
.cx
;
620 pDevCaps
->ulPhysicalHeight
= pGdiInfo
->szlPhysSize
.cy
;
621 pDevCaps
->ulPhysicalOffsetX
= pGdiInfo
->ptlPhysOffset
.x
;
622 pDevCaps
->ulPhysicalOffsetY
= pGdiInfo
->ptlPhysOffset
.y
;
623 pDevCaps
->ulTextCaps
= pGdiInfo
->flTextCaps
;
624 pDevCaps
->ulTextCaps
|= (TC_SO_ABLE
|TC_UA_ABLE
|TC_CP_STROKE
|TC_OP_STROKE
|TC_OP_CHARACTER
);
625 if (pGdiInfo
->ulTechnology
!= DT_PLOTTER
)
626 pDevCaps
->ulTextCaps
|= TC_VA_ABLE
;
627 pDevCaps
->ulVRefresh
= pGdiInfo
->ulVRefresh
;
628 pDevCaps
->ulDesktopHorzRes
= pGdiInfo
->ulHorzRes
;
629 pDevCaps
->ulDesktopVertRes
= pGdiInfo
->ulVertRes
;
630 pDevCaps
->ulBltAlignment
= pGdiInfo
->ulBltAlignment
;
631 pDevCaps
->ulPanningHorzRes
= pGdiInfo
->ulPanningHorzRes
;
632 pDevCaps
->ulPanningVertRes
= pGdiInfo
->ulPanningVertRes
;
633 pDevCaps
->xPanningAlignment
= pGdiInfo
->xPanningAlignment
;
634 pDevCaps
->yPanningAlignment
= pGdiInfo
->yPanningAlignment
;
635 pDevCaps
->ulShadeBlend
= pGdiInfo
->flShadeBlend
;
636 pDevCaps
->ulColorMgmtCaps
= PDEVOBJ_iGetColorManagementCaps(ppdev
);
640 /** Exported functions ********************************************************/
642 _Must_inspect_result_ _Ret_z_
645 EngGetDriverName(_In_ HDEV hdev
)
647 PPDEVOBJ ppdev
= (PPDEVOBJ
)hdev
;
650 ASSERT(ppdev
->pldev
);
651 ASSERT(ppdev
->pldev
->pGdiDriverInfo
);
652 ASSERT(ppdev
->pldev
->pGdiDriverInfo
->DriverName
.Buffer
);
654 return ppdev
->pldev
->pGdiDriverInfo
->DriverName
.Buffer
;
667 /* Lock the given DC */
668 pdc
= DC_LockDc(hdc
);
671 EngSetLastError(ERROR_INVALID_HANDLE
);
676 PDEVOBJ_vGetDeviceCaps(pdc
->ppdev
, &devcaps
);
681 /* Return capability */
685 return devcaps
.ulVersion
;
688 return devcaps
.ulTechnology
;
691 return devcaps
.ulHorzSize
;
694 return devcaps
.ulVertSize
;
697 return devcaps
.ulHorzRes
;
700 return devcaps
.ulVertRes
;
703 return devcaps
.ulLogPixelsX
;
706 return devcaps
.ulLogPixelsY
;
709 return devcaps
.ulBitsPixel
;
712 return devcaps
.ulPlanes
;
718 return devcaps
.ulNumPens
;
721 return devcaps
.ulNumFonts
;
724 return devcaps
.ulNumColors
;
727 return devcaps
.ulAspectX
;
730 return devcaps
.ulAspectY
;
733 return devcaps
.ulAspectXY
;
739 return devcaps
.ulSizePalette
;
745 return devcaps
.ulColorRes
;
748 return devcaps
.ulVertRes
;
751 return devcaps
.ulHorzRes
;
754 return devcaps
.ulBltAlignment
;
757 return devcaps
.ulShadeBlend
;
760 return devcaps
.ulColorMgmtCaps
;
763 return devcaps
.ulPhysicalWidth
;
766 return devcaps
.ulPhysicalHeight
;
768 case PHYSICALOFFSETX
:
769 return devcaps
.ulPhysicalOffsetX
;
771 case PHYSICALOFFSETY
:
772 return devcaps
.ulPhysicalOffsetY
;
775 return devcaps
.ulVRefresh
;
778 return devcaps
.ulRasterCaps
;
781 return (CC_CIRCLES
| CC_PIE
| CC_CHORD
| CC_ELLIPSES
| CC_WIDE
|
782 CC_STYLED
| CC_WIDESTYLED
| CC_INTERIORS
| CC_ROUNDRECT
);
785 return (LC_POLYLINE
| LC_MARKER
| LC_POLYMARKER
| LC_WIDE
|
786 LC_STYLED
| LC_WIDESTYLED
| LC_INTERIORS
);
789 return (PC_POLYGON
| PC_RECTANGLE
| PC_WINDPOLYGON
| PC_SCANLINE
|
790 PC_WIDE
| PC_STYLED
| PC_WIDESTYLED
| PC_INTERIORS
);
793 return devcaps
.ulTextCaps
;
806 _Success_(return!=FALSE
)
809 NtGdiGetDeviceCapsAll(
811 OUT PDEVCAPS pDevCaps
)
817 /* Lock the given DC */
818 pdc
= DC_LockDc(hDC
);
821 EngSetLastError(ERROR_INVALID_HANDLE
);
826 PDEVOBJ_vGetDeviceCaps(pdc
->ppdev
, &devcaps
);
831 /* Copy data to caller */
834 ProbeForWrite(pDevCaps
, sizeof(DEVCAPS
), 1);
835 RtlCopyMemory(pDevCaps
, &devcaps
, sizeof(DEVCAPS
));
837 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
839 SetLastNtError(_SEH2_GetExceptionCode());
853 DHPDEV dhpdev
= NULL
;
855 /* Check parameter */
856 if (!hdev
|| (PCHAR
)hdev
< (PCHAR
)MmSystemRangeStart
)
860 EngAcquireSemaphoreShared(ghsemPDEV
);
862 /* Walk through the list of PDEVs */
863 for (ppdev
= gppdevList
; ppdev
; ppdev
= ppdev
->ppdevNext
)
865 /* Compare with the given HDEV */
866 if (ppdev
== (PPDEVOBJ
)hdev
)
868 /* Found the PDEV! Get it's dhpdev and break */
869 dhpdev
= ppdev
->dhpdev
;
874 /* Unlock PDEV list */
875 EngReleaseSemaphore(ghsemPDEV
);
882 PDEVOBJ_sizl(PPDEVOBJ ppdev
, PSIZEL psizl
)
884 if (ppdev
->flFlags
& PDEV_META_DEVICE
)
886 psizl
->cx
= ppdev
->ulHorzRes
;
887 psizl
->cy
= ppdev
->ulVertRes
;
891 psizl
->cx
= ppdev
->gdiinfo
.ulHorzRes
;
892 psizl
->cy
= ppdev
->gdiinfo
.ulVertRes
;