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)
16 PPDEVOBJ gppdevPrimary
= NULL
;
18 static PPDEVOBJ gppdevList
= NULL
;
19 static HSEMAPHORE ghsemPDEV
;
25 ghsemPDEV
= EngCreateSemaphore();
35 ppdev
= ExAllocatePoolWithTag(PagedPool
, sizeof(PDEVOBJ
), GDITAG_PDEV
);
39 RtlZeroMemory(ppdev
, sizeof(PDEVOBJ
));
48 PDEVOBJ_vRelease(PPDEVOBJ ppdev
)
51 EngAcquireSemaphore(ghsemPDEV
);
53 /* Decrease reference count */
56 ASSERT(ppdev
->cPdevRefs
>= 0) ;
58 /* Check if references are left */
59 if (ppdev
->cPdevRefs
== 0)
61 /* Do we have a surface? */
64 /* Release the surface and let the driver free it */
65 SURFACE_ShareUnlockSurface(ppdev
->pSurface
);
66 ppdev
->pfn
.DisableSurface(ppdev
->dhpdev
);
69 /* Do we have a palette? */
72 PALETTE_ShareUnlockPalette(ppdev
->ppalSurf
);
76 ppdev
->pfn
.DisablePDEV(ppdev
->dhpdev
);
78 /* Remove it from list */
79 if( ppdev
== gppdevList
)
80 gppdevList
= ppdev
->ppdevNext
;
83 PPDEVOBJ ppdevCurrent
= gppdevList
;
85 while (!found
&& ppdevCurrent
->ppdevNext
)
87 if (ppdevCurrent
->ppdevNext
== ppdev
)
90 ppdevCurrent
= ppdevCurrent
->ppdevNext
;
93 ppdevCurrent
->ppdevNext
= ppdev
->ppdevNext
;
96 /* Is this the primary one ? */
97 if (ppdev
== gppdevPrimary
)
101 ExFreePoolWithTag(ppdev
, GDITAG_PDEV
);
105 EngReleaseSemaphore(ghsemPDEV
);
114 PWSTR pwszLogAddress
)
116 PFN_DrvEnablePDEV pfnEnablePDEV
;
118 DPRINT1("PDEVOBJ_bEnablePDEV()\n");
120 /* Get the DrvEnablePDEV function */
121 pfnEnablePDEV
= ppdev
->pldev
->pfn
.EnablePDEV
;
123 /* Call the drivers DrvEnablePDEV function */
124 ppdev
->dhpdev
= pfnEnablePDEV(pdevmode
,
133 ppdev
->pGraphicsDevice
->pwszDescription
,
134 ppdev
->pGraphicsDevice
->DeviceObject
);
136 /* Fix up some values */
137 if (ppdev
->gdiinfo
.ulLogPixelsX
== 0)
138 ppdev
->gdiinfo
.ulLogPixelsX
= 96;
140 if (ppdev
->gdiinfo
.ulLogPixelsY
== 0)
141 ppdev
->gdiinfo
.ulLogPixelsY
= 96;
144 GDIOBJ_SetOwnership(ppdev
->devinfo
.hpalDefault
, NULL
);
145 ppdev
->ppalSurf
= PALETTE_ShareLockPalette(ppdev
->devinfo
.hpalDefault
);
147 DPRINT1("PDEVOBJ_bEnablePDEV - dhpdev = %p\n", ppdev
->dhpdev
);
154 PDEVOBJ_vCompletePDEV(
157 /* Call the drivers DrvCompletePDEV function */
158 ppdev
->pldev
->pfn
.CompletePDEV(ppdev
->dhpdev
, (HDEV
)ppdev
);
168 /* Check if we already have a surface */
171 /* Increment reference count */
172 GDIOBJ_IncrementShareCount(&ppdev
->pSurface
->BaseObject
);
176 /* Call the drivers DrvEnableSurface */
177 hsurf
= ppdev
->pldev
->pfn
.EnableSurface(ppdev
->dhpdev
);
179 /* Lock the surface */
180 ppdev
->pSurface
= SURFACE_ShareLockSurface(hsurf
);
183 DPRINT("PDEVOBJ_pSurface() returning %p\n", ppdev
->pSurface
);
184 return ppdev
->pSurface
;
189 PDEVOBJ_pdmMatchDevMode(
193 PGRAPHICS_DEVICE pGraphicsDevice
;
194 PDEVMODEW pdmCurrent
;
198 pGraphicsDevice
= ppdev
->pGraphicsDevice
;
200 for (i
= 0; i
< pGraphicsDevice
->cDevModes
; i
++)
202 pdmCurrent
= pGraphicsDevice
->pDevModeList
[i
].pdm
;
204 /* Compare asked DEVMODE fields
205 * Only compare those that are valid in both DEVMODE structs */
206 dwFields
= pdmCurrent
->dmFields
& pdm
->dmFields
;
207 /* For now, we only need those */
208 if ((dwFields
& DM_BITSPERPEL
) &&
209 (pdmCurrent
->dmBitsPerPel
!= pdm
->dmBitsPerPel
))
211 if ((dwFields
& DM_PELSWIDTH
) &&
212 (pdmCurrent
->dmPelsWidth
!= pdm
->dmPelsWidth
))
214 if ((dwFields
& DM_PELSHEIGHT
) &&
215 (pdmCurrent
->dmPelsHeight
!= pdm
->dmPelsHeight
))
217 if ((dwFields
& DM_DISPLAYFREQUENCY
) &&
218 (pdmCurrent
->dmDisplayFrequency
!= pdm
->dmDisplayFrequency
))
221 /* Match! Return the DEVMODE */
232 PUNICODE_STRING pustrDeviceName
,
235 PGRAPHICS_DEVICE pGraphicsDevice
;
238 /* Try to find the GRAPHICS_DEVICE */
241 pGraphicsDevice
= EngpFindGraphicsDevice(pustrDeviceName
, 0, 0);
242 if (!pGraphicsDevice
)
244 DPRINT1("No GRAPHICS_DEVICE found for %ls!\n",
245 pustrDeviceName
? pustrDeviceName
->Buffer
: 0);
251 pGraphicsDevice
= gpPrimaryGraphicsDevice
;
254 /* Allocate a new PDEVOBJ */
255 ppdev
= PDEVOBJ_AllocPDEV();
258 DPRINT1("failed to allocate a PDEV\n");
262 /* If no DEVMODEW is given, ... */
265 /* ... use the device's default one */
266 pdm
= pGraphicsDevice
->pDevModeList
[pGraphicsDevice
->iDefaultMode
].pdm
;
267 DPRINT1("Using iDefaultMode = %ld\n", pGraphicsDevice
->iDefaultMode
);
270 /* Try to get a diplay driver */
271 ppdev
->pldev
= EngLoadImageEx(pdm
->dmDeviceName
, LDEV_DEVICE_DISPLAY
);
274 DPRINT1("Could not load display driver '%ls'\n",
275 pGraphicsDevice
->pDiplayDrivers
);
276 ExFreePoolWithTag(ppdev
, GDITAG_PDEV
);
280 /* Copy the function table */
281 ppdev
->pfn
= ppdev
->pldev
->pfn
;
283 /* Set MovePointer function */
284 ppdev
->pfnMovePointer
= ppdev
->pfn
.MovePointer
;
285 if (!ppdev
->pfnMovePointer
)
286 ppdev
->pfnMovePointer
= EngMovePointer
;
288 ppdev
->pGraphicsDevice
= pGraphicsDevice
;
289 ppdev
->hsemDevLock
= EngCreateSemaphore();
290 // Should we change the ative mode of pGraphicsDevice ?
291 ppdev
->pdmwDev
= PDEVOBJ_pdmMatchDevMode(ppdev
, pdm
) ;
294 ppdev
->flFlags
= PDEV_DISPLAY
;
296 /* HACK: Don't use the pointer */
297 ppdev
->Pointer
.Exclude
.right
= -1;
299 /* Call the driver to enable the PDEV */
300 if (!PDEVOBJ_bEnablePDEV(ppdev
, pdm
, NULL
))
302 DPRINT1("Failed to enable PDEV!\n");
306 /* FIXME: this must be done in a better way */
307 pGraphicsDevice
->StateFlags
|= DISPLAY_DEVICE_ATTACHED_TO_DESKTOP
;
309 /* Tell the driver that the PDEV is ready */
310 PDEVOBJ_vCompletePDEV(ppdev
);
312 /* Return the PDEV */
328 /* Exchange driver functions */
329 ppdev
->pfn
= ppdev2
->pfn
;
330 ppdev2
->pfn
= pdevTmp
.pfn
;
333 ppdev
->pldev
= ppdev2
->pldev
;
334 ppdev2
->pldev
= pdevTmp
.pldev
;
336 /* Exchange DHPDEV */
337 ppdev
->dhpdev
= ppdev2
->dhpdev
;
338 ppdev2
->dhpdev
= pdevTmp
.dhpdev
;
340 /* Exchange surfaces and associate them with their new PDEV */
341 ppdev
->pSurface
= ppdev2
->pSurface
;
342 ppdev2
->pSurface
= pdevTmp
.pSurface
;
343 ppdev
->pSurface
->SurfObj
.hdev
= (HDEV
)ppdev
;
344 ppdev2
->pSurface
->SurfObj
.hdev
= (HDEV
)ppdev2
;
346 /* Exchange devinfo */
347 ppdev
->devinfo
= ppdev2
->devinfo
;
348 ppdev2
->devinfo
= pdevTmp
.devinfo
;
350 /* Exchange gdiinfo */
351 ppdev
->gdiinfo
= ppdev2
->gdiinfo
;
352 ppdev2
->gdiinfo
= pdevTmp
.gdiinfo
;
354 /* Exchange DEVMODE */
355 ppdev
->pdmwDev
= ppdev2
->pdmwDev
;
356 ppdev2
->pdmwDev
= pdevTmp
.pdmwDev
;
358 /* Exchange state flags */
359 tmpStateFlags
= ppdev
->pGraphicsDevice
->StateFlags
;
360 ppdev
->pGraphicsDevice
->StateFlags
= ppdev2
->pGraphicsDevice
->StateFlags
;
361 ppdev2
->pGraphicsDevice
->StateFlags
= tmpStateFlags
;
363 /* Notify each driver instance of its new HDEV association */
364 ppdev
->pfn
.CompletePDEV(ppdev
->dhpdev
, (HDEV
)ppdev
);
365 ppdev2
->pfn
.CompletePDEV(ppdev2
->dhpdev
, (HDEV
)ppdev2
);
375 UNICODE_STRING ustrDevice
;
381 EngAcquireSemaphore(ppdev
->hsemDevLock
);
382 /* And everything else */
383 EngAcquireSemaphore(ghsemPDEV
);
385 DPRINT1("PDEVOBJ_bSwitchMode, ppdev = %p, pSurface = %p\n", ppdev
, ppdev
->pSurface
);
387 // Lookup the GraphicsDevice + select DEVMODE
388 // pdm = PDEVOBJ_pdmMatchDevMode(ppdev, pdm);
390 /* 1. Temporarily disable the current PDEV */
391 if (!ppdev
->pfn
.AssertMode(ppdev
->dhpdev
, FALSE
))
393 DPRINT1("DrvAssertMode failed\n");
397 /* 2. Create new PDEV */
398 RtlInitUnicodeString(&ustrDevice
, ppdev
->pGraphicsDevice
->szWinDeviceName
);
399 ppdevTmp
= EngpCreatePDEV(&ustrDevice
, pdm
);
402 DPRINT1("Failed to create a new PDEV\n");
406 /* 3. Create a new surface */
407 pSurface
= PDEVOBJ_pSurface(ppdevTmp
);
410 DPRINT1("DrvEnableSurface failed\n");
414 /* 4. Get DirectDraw information */
415 /* 5. Enable DirectDraw Not traced */
416 /* 6. Copy old PDEV state to new PDEV instance */
418 /* 7. Switch the PDEVs */
419 PDEVOBJ_vSwitchPdev(ppdev
, ppdevTmp
);
421 /* 8. Disable DirectDraw */
423 PDEVOBJ_vRelease(ppdevTmp
);
425 /* Update primary display capabilities */
426 if(ppdev
== gppdevPrimary
)
428 PDEVOBJ_vGetDeviceCaps(ppdev
, &GdiHandleTable
->DevCaps
);
435 EngReleaseSemaphore(ppdev
->hsemDevLock
);
436 EngReleaseSemaphore(ghsemPDEV
);
438 DPRINT1("leave, ppdev = %p, pSurface = %p\n", ppdev
, ppdev
->pSurface
);
447 PUNICODE_STRING pustrDeviceName
)
449 UNICODE_STRING ustrCurrent
;
451 PGRAPHICS_DEVICE pGraphicsDevice
;
453 /* Acquire PDEV lock */
454 EngAcquireSemaphore(ghsemPDEV
);
456 /* If no device name is given, ... */
457 if (!pustrDeviceName
&& gppdevPrimary
)
459 /* ... use the primary PDEV */
460 ppdev
= gppdevPrimary
;
462 /* Reference the pdev */
463 InterlockedIncrement(&ppdev
->cPdevRefs
);
467 /* Loop all present PDEVs */
468 for (ppdev
= gppdevList
; ppdev
; ppdev
= ppdev
->ppdevNext
)
470 /* Get a pointer to the GRAPHICS_DEVICE */
471 pGraphicsDevice
= ppdev
->pGraphicsDevice
;
473 /* Compare the name */
474 RtlInitUnicodeString(&ustrCurrent
, pGraphicsDevice
->szWinDeviceName
);
475 if (RtlEqualUnicodeString(pustrDeviceName
, &ustrCurrent
, FALSE
))
477 /* Found! Reference the PDEV */
478 InterlockedIncrement(&ppdev
->cPdevRefs
);
483 /* Did we find one? */
486 /* No, create a new PDEV */
487 ppdev
= EngpCreatePDEV(pustrDeviceName
, NULL
);
490 /* Insert the PDEV into the list */
491 ppdev
->ppdevNext
= gppdevList
;
494 /* Set as primary PDEV, if we don't have one yet */
497 gppdevPrimary
= ppdev
;
498 ppdev
->pGraphicsDevice
->StateFlags
|= DISPLAY_DEVICE_PRIMARY_DEVICE
;
504 /* Release PDEV lock */
505 EngReleaseSemaphore(ghsemPDEV
);
512 PDEVOBJ_iGetColorManagementCaps(PPDEVOBJ ppdev
)
516 if (ppdev
->flFlags
& PDEV_DISPLAY
)
518 if (ppdev
->devinfo
.iDitherFormat
== BMF_8BPP
||
519 ppdev
->devinfo
.flGraphicsCaps2
& GCAPS2_CHANGEGAMMARAMP
)
523 if (ppdev
->devinfo
.flGraphicsCaps
& GCAPS_CMYKCOLOR
)
524 ret
|= CM_CMYK_COLOR
;
525 if (ppdev
->devinfo
.flGraphicsCaps
& GCAPS_ICM
)
526 ret
|= CM_DEVICE_ICM
;
533 PDEVOBJ_vGetDeviceCaps(
535 OUT PDEVCAPS pDevCaps
)
537 PGDIINFO pGdiInfo
= &ppdev
->gdiinfo
;
539 pDevCaps
->ulVersion
= pGdiInfo
->ulVersion
;
540 pDevCaps
->ulTechnology
= pGdiInfo
->ulTechnology
;
541 pDevCaps
->ulHorzSizeM
= (pGdiInfo
->ulHorzSize
+ 500) / 1000;
542 pDevCaps
->ulVertSizeM
= (pGdiInfo
->ulVertSize
+ 500) / 1000;
543 pDevCaps
->ulHorzSize
= pGdiInfo
->ulHorzSize
;
544 pDevCaps
->ulVertSize
= pGdiInfo
->ulVertSize
;
545 pDevCaps
->ulHorzRes
= pGdiInfo
->ulHorzRes
;
546 pDevCaps
->ulVertRes
= pGdiInfo
->ulVertRes
;
547 pDevCaps
->ulBitsPixel
= pGdiInfo
->cBitsPixel
;
548 if (pDevCaps
->ulBitsPixel
== 15) pDevCaps
->ulBitsPixel
= 16;
549 pDevCaps
->ulPlanes
= pGdiInfo
->cPlanes
;
550 pDevCaps
->ulNumPens
= pGdiInfo
->ulNumColors
;
551 if (pDevCaps
->ulNumPens
!= -1) pDevCaps
->ulNumPens
*= 5;
552 pDevCaps
->ulNumFonts
= 0; // PDEVOBJ_cFonts(ppdev);
553 pDevCaps
->ulNumColors
= pGdiInfo
->ulNumColors
;
554 pDevCaps
->ulRasterCaps
= pGdiInfo
->flRaster
;
555 pDevCaps
->ulAspectX
= pGdiInfo
->ulAspectX
;
556 pDevCaps
->ulAspectY
= pGdiInfo
->ulAspectY
;
557 pDevCaps
->ulAspectXY
= pGdiInfo
->ulAspectXY
;
558 pDevCaps
->ulLogPixelsX
= pGdiInfo
->ulLogPixelsX
;
559 pDevCaps
->ulLogPixelsY
= pGdiInfo
->ulLogPixelsY
;
560 pDevCaps
->ulSizePalette
= pGdiInfo
->ulNumPalReg
;
561 pDevCaps
->ulColorRes
= pGdiInfo
->ulDACRed
+
562 pGdiInfo
->ulDACGreen
+
564 pDevCaps
->ulPhysicalWidth
= pGdiInfo
->szlPhysSize
.cx
;
565 pDevCaps
->ulPhysicalHeight
= pGdiInfo
->szlPhysSize
.cy
;
566 pDevCaps
->ulPhysicalOffsetX
= pGdiInfo
->ptlPhysOffset
.x
;
567 pDevCaps
->ulPhysicalOffsetY
= pGdiInfo
->ptlPhysOffset
.y
;
568 pDevCaps
->ulTextCaps
= pGdiInfo
->flTextCaps
;
569 pDevCaps
->ulTextCaps
|= (TC_SO_ABLE
|TC_UA_ABLE
|TC_CP_STROKE
|TC_OP_STROKE
|TC_OP_CHARACTER
);
570 if (pGdiInfo
->ulTechnology
!= DT_PLOTTER
)
571 pDevCaps
->ulTextCaps
|= TC_VA_ABLE
;
572 pDevCaps
->ulVRefresh
= pGdiInfo
->ulVRefresh
;
573 pDevCaps
->ulDesktopHorzRes
= pGdiInfo
->ulHorzRes
;
574 pDevCaps
->ulDesktopVertRes
= pGdiInfo
->ulVertRes
;
575 pDevCaps
->ulBltAlignment
= pGdiInfo
->ulBltAlignment
;
576 pDevCaps
->ulPanningHorzRes
= pGdiInfo
->ulPanningHorzRes
;
577 pDevCaps
->ulPanningVertRes
= pGdiInfo
->ulPanningVertRes
;
578 pDevCaps
->xPanningAlignment
= pGdiInfo
->xPanningAlignment
;
579 pDevCaps
->yPanningAlignment
= pGdiInfo
->yPanningAlignment
;
580 pDevCaps
->ulShadeBlend
= pGdiInfo
->flShadeBlend
;
581 pDevCaps
->ulColorMgmtCaps
= PDEVOBJ_iGetColorManagementCaps(ppdev
);
585 /** Exported functions ********************************************************/
589 EngGetDriverName(IN HDEV hdev
)
591 PPDEVOBJ ppdev
= (PPDEVOBJ
)hdev
;
597 pldev
= ppdev
->pldev
;
600 if (!pldev
->pGdiDriverInfo
)
603 return pldev
->pGdiDriverInfo
->DriverName
.Buffer
;
616 /* Lock the given DC */
617 pdc
= DC_LockDc(hdc
);
620 SetLastWin32Error(ERROR_INVALID_HANDLE
);
625 PDEVOBJ_vGetDeviceCaps(pdc
->ppdev
, &devcaps
);
630 /* Return capability */
634 return devcaps
.ulVersion
;
637 return devcaps
.ulTechnology
;
640 return devcaps
.ulHorzSize
;
643 return devcaps
.ulVertSize
;
646 return devcaps
.ulHorzRes
;
649 return devcaps
.ulVertRes
;
652 return devcaps
.ulLogPixelsX
;
655 return devcaps
.ulLogPixelsY
;
658 return devcaps
.ulBitsPixel
;
661 return devcaps
.ulPlanes
;
667 return devcaps
.ulNumPens
;
670 return devcaps
.ulNumFonts
;
673 return devcaps
.ulNumColors
;
676 return devcaps
.ulAspectX
;
679 return devcaps
.ulAspectY
;
682 return devcaps
.ulAspectXY
;
688 return devcaps
.ulSizePalette
;
694 return devcaps
.ulColorRes
;
697 return devcaps
.ulVertRes
;
700 return devcaps
.ulHorzRes
;
703 return devcaps
.ulBltAlignment
;
706 return devcaps
.ulShadeBlend
;
709 return devcaps
.ulColorMgmtCaps
;
712 return devcaps
.ulPhysicalWidth
;
715 return devcaps
.ulPhysicalHeight
;
717 case PHYSICALOFFSETX
:
718 return devcaps
.ulPhysicalOffsetX
;
720 case PHYSICALOFFSETY
:
721 return devcaps
.ulPhysicalOffsetY
;
724 return devcaps
.ulVRefresh
;
727 return devcaps
.ulRasterCaps
;
730 return (CC_CIRCLES
| CC_PIE
| CC_CHORD
| CC_ELLIPSES
| CC_WIDE
|
731 CC_STYLED
| CC_WIDESTYLED
| CC_INTERIORS
| CC_ROUNDRECT
);
734 return (LC_POLYLINE
| LC_MARKER
| LC_POLYMARKER
| LC_WIDE
|
735 LC_STYLED
| LC_WIDESTYLED
| LC_INTERIORS
);
738 return (PC_POLYGON
| PC_RECTANGLE
| PC_WINDPOLYGON
| PC_SCANLINE
|
739 PC_WIDE
| PC_STYLED
| PC_WIDESTYLED
| PC_INTERIORS
);
742 return devcaps
.ulTextCaps
;
758 NtGdiGetDeviceCapsAll(
760 OUT PDEVCAPS pDevCaps
)
766 /* Lock the given DC */
767 pdc
= DC_LockDc(hDC
);
770 SetLastWin32Error(ERROR_INVALID_HANDLE
);
775 PDEVOBJ_vGetDeviceCaps(pdc
->ppdev
, &devcaps
);
780 /* Copy data to caller */
783 ProbeForWrite(pDevCaps
, sizeof(DEVCAPS
), 1);
784 RtlCopyMemory(pDevCaps
, &devcaps
, sizeof(DEVCAPS
));
786 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
788 SetLastNtError(_SEH2_GetExceptionCode());
802 DHPDEV dhpdev
= NULL
;
804 /* Check parameter */
805 if (!hdev
|| (PCHAR
)hdev
< (PCHAR
)MmSystemRangeStart
)
809 EngAcquireSemaphore(ghsemPDEV
);
811 /* Walk through the list of PDEVs */
812 for (ppdev
= gppdevList
; ppdev
; ppdev
= ppdev
->ppdevNext
)
814 /* Compare with the given HDEV */
817 /* Found the PDEV! Get it's dhpdev and break */
818 dhpdev
= ppdev
->dhpdev
;
823 /* Unlock PDEV list */
824 EngReleaseSemaphore(ghsemPDEV
);
831 PDEVOBJ_sizl(PPDEVOBJ ppdev
, PSIZEL psizl
)
833 if (ppdev
->flFlags
& PDEV_META_DEVICE
)
835 psizl
->cx
= ppdev
->ulHorzRes
;
836 psizl
->cy
= ppdev
->ulVertRes
;
840 psizl
->cx
= ppdev
->gdiinfo
.ulHorzRes
;
841 psizl
->cy
= ppdev
->gdiinfo
.ulVertRes
;