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![David Quintana](/assets/img/avatar_default.png)
CORE-8176 #resolve #comment Trunk commit r63174 should fix this issue. I merged from trunk to bring it into Shell-experiments. svn path=/branches/shell-experiments/; revision=63175
906 lines
23 KiB
C
906 lines
23 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* PURPOSE: Support for physical devices
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* FILE: subsystems/win32/win32k/eng/pdevobj.c
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* PROGRAMER: Timo Kreuzer (timo.kreuzer@reactos.org)
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*/
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#include <win32k.h>
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#define NDEBUG
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#include <debug.h>
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PPDEVOBJ gppdevPrimary = NULL;
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static PPDEVOBJ gppdevList = NULL;
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static HSEMAPHORE ghsemPDEV;
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INIT_FUNCTION
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NTSTATUS
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NTAPI
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InitPDEVImpl()
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{
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ghsemPDEV = EngCreateSemaphore();
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if (!ghsemPDEV) return STATUS_INSUFFICIENT_RESOURCES;
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return STATUS_SUCCESS;
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}
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#if DBG
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PPDEVOBJ
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NTAPI
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DbgLookupDHPDEV(DHPDEV dhpdev)
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{
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PPDEVOBJ ppdev;
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/* Lock PDEV list */
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EngAcquireSemaphoreShared(ghsemPDEV);
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/* Walk through the list of PDEVs */
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for (ppdev = gppdevList; ppdev; ppdev = ppdev->ppdevNext)
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{
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/* Compare with the given DHPDEV */
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if (ppdev->dhpdev == dhpdev) break;
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}
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/* Unlock PDEV list */
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EngReleaseSemaphore(ghsemPDEV);
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return ppdev;
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}
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#endif
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PPDEVOBJ
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PDEVOBJ_AllocPDEV()
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{
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PPDEVOBJ ppdev;
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ppdev = ExAllocatePoolWithTag(PagedPool, sizeof(PDEVOBJ), GDITAG_PDEV);
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if (!ppdev)
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return NULL;
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RtlZeroMemory(ppdev, sizeof(PDEVOBJ));
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ppdev->cPdevRefs = 1;
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return ppdev;
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}
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VOID
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NTAPI
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PDEVOBJ_vRelease(PPDEVOBJ ppdev)
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{
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/* Lock loader */
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EngAcquireSemaphore(ghsemPDEV);
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/* Decrease reference count */
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--ppdev->cPdevRefs;
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ASSERT(ppdev->cPdevRefs >= 0) ;
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/* Check if references are left */
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if (ppdev->cPdevRefs == 0)
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{
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/* Do we have a surface? */
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if(ppdev->pSurface)
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{
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/* Release the surface and let the driver free it */
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SURFACE_ShareUnlockSurface(ppdev->pSurface);
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ppdev->pfn.DisableSurface(ppdev->dhpdev);
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}
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/* Do we have a palette? */
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if(ppdev->ppalSurf)
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{
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PALETTE_ShareUnlockPalette(ppdev->ppalSurf);
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}
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/* Check if the PDEV was enabled */
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if (ppdev->dhpdev != NULL)
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{
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/* Disable the PDEV */
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ppdev->pfn.DisablePDEV(ppdev->dhpdev);
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}
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/* Remove it from list */
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if( ppdev == gppdevList )
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gppdevList = ppdev->ppdevNext ;
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else
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{
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PPDEVOBJ ppdevCurrent = gppdevList;
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BOOL found = FALSE ;
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while (!found && ppdevCurrent->ppdevNext)
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{
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if (ppdevCurrent->ppdevNext == ppdev)
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found = TRUE;
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else
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ppdevCurrent = ppdevCurrent->ppdevNext ;
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}
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if(found)
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ppdevCurrent->ppdevNext = ppdev->ppdevNext;
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}
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/* Is this the primary one ? */
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if (ppdev == gppdevPrimary)
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gppdevPrimary = NULL;
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/* Free it */
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ExFreePoolWithTag(ppdev, GDITAG_PDEV );
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}
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/* Unlock loader */
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EngReleaseSemaphore(ghsemPDEV);
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}
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BOOL
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NTAPI
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PDEVOBJ_bEnablePDEV(
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PPDEVOBJ ppdev,
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PDEVMODEW pdevmode,
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PWSTR pwszLogAddress)
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{
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PFN_DrvEnablePDEV pfnEnablePDEV;
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ULONG i;
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DPRINT("PDEVOBJ_bEnablePDEV()\n");
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/* Get the DrvEnablePDEV function */
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pfnEnablePDEV = ppdev->pldev->pfn.EnablePDEV;
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/* Call the drivers DrvEnablePDEV function */
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ppdev->dhpdev = pfnEnablePDEV(pdevmode,
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pwszLogAddress,
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HS_DDI_MAX,
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ppdev->ahsurf,
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sizeof(GDIINFO),
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(PULONG)&ppdev->gdiinfo,
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sizeof(DEVINFO),
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&ppdev->devinfo,
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(HDEV)ppdev,
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ppdev->pGraphicsDevice->pwszDescription,
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ppdev->pGraphicsDevice->DeviceObject);
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if (ppdev->dhpdev == NULL)
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{
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DPRINT1("Failed to enable PDEV\n");
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return FALSE;
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}
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/* Fix up some values */
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if (ppdev->gdiinfo.ulLogPixelsX == 0)
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ppdev->gdiinfo.ulLogPixelsX = 96;
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if (ppdev->gdiinfo.ulLogPixelsY == 0)
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ppdev->gdiinfo.ulLogPixelsY = 96;
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/* Set raster caps */
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ppdev->gdiinfo.flRaster = RC_OP_DX_OUTPUT | RC_GDI20_OUTPUT | RC_BIGFONT;
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if ((ppdev->gdiinfo.ulTechnology != DT_PLOTTER) && (ppdev->gdiinfo.ulTechnology != DT_CHARSTREAM))
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ppdev->gdiinfo.flRaster |= RC_STRETCHDIB | RC_STRETCHBLT | RC_DIBTODEV | RC_DI_BITMAP | RC_BITMAP64 | RC_BITBLT;
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if (ppdev->gdiinfo.ulTechnology == DT_RASDISPLAY)
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ppdev->gdiinfo.flRaster |= RC_FLOODFILL;
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if (ppdev->devinfo.flGraphicsCaps & GCAPS_PALMANAGED)
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ppdev->gdiinfo.flRaster |= RC_PALETTE;
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/* Setup Palette */
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ppdev->ppalSurf = PALETTE_ShareLockPalette(ppdev->devinfo.hpalDefault);
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/* Setup hatch brushes */
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for (i = 0; i < HS_DDI_MAX; i++)
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{
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if (ppdev->ahsurf[i] == NULL)
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ppdev->ahsurf[i] = gahsurfHatch[i];
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}
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DPRINT("PDEVOBJ_bEnablePDEV - dhpdev = %p\n", ppdev->dhpdev);
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return TRUE;
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}
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VOID
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NTAPI
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PDEVOBJ_vCompletePDEV(
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PPDEVOBJ ppdev)
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{
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/* Call the drivers DrvCompletePDEV function */
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ppdev->pldev->pfn.CompletePDEV(ppdev->dhpdev, (HDEV)ppdev);
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}
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PSURFACE
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NTAPI
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PDEVOBJ_pSurface(
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PPDEVOBJ ppdev)
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{
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HSURF hsurf;
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/* Check if we already have a surface */
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if (ppdev->pSurface)
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{
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/* Increment reference count */
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GDIOBJ_vReferenceObjectByPointer(&ppdev->pSurface->BaseObject);
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}
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else
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{
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/* Call the drivers DrvEnableSurface */
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hsurf = ppdev->pldev->pfn.EnableSurface(ppdev->dhpdev);
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/* Lock the surface */
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ppdev->pSurface = SURFACE_ShareLockSurface(hsurf);
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}
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DPRINT("PDEVOBJ_pSurface() returning %p\n", ppdev->pSurface);
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return ppdev->pSurface;
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}
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PDEVMODEW
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NTAPI
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PDEVOBJ_pdmMatchDevMode(
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PPDEVOBJ ppdev,
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PDEVMODEW pdm)
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{
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PGRAPHICS_DEVICE pGraphicsDevice;
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PDEVMODEW pdmCurrent;
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ULONG i;
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DWORD dwFields;
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pGraphicsDevice = ppdev->pGraphicsDevice;
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for (i = 0; i < pGraphicsDevice->cDevModes; i++)
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{
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pdmCurrent = pGraphicsDevice->pDevModeList[i].pdm;
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/* Compare asked DEVMODE fields
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* Only compare those that are valid in both DEVMODE structs */
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dwFields = pdmCurrent->dmFields & pdm->dmFields ;
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/* For now, we only need those */
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if ((dwFields & DM_BITSPERPEL) &&
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(pdmCurrent->dmBitsPerPel != pdm->dmBitsPerPel)) continue;
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if ((dwFields & DM_PELSWIDTH) &&
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(pdmCurrent->dmPelsWidth != pdm->dmPelsWidth)) continue;
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if ((dwFields & DM_PELSHEIGHT) &&
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(pdmCurrent->dmPelsHeight != pdm->dmPelsHeight)) continue;
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if ((dwFields & DM_DISPLAYFREQUENCY) &&
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(pdmCurrent->dmDisplayFrequency != pdm->dmDisplayFrequency)) continue;
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/* Match! Return the DEVMODE */
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return pdmCurrent;
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}
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/* Nothing found */
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return NULL;
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}
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static
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PPDEVOBJ
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EngpCreatePDEV(
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PUNICODE_STRING pustrDeviceName,
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PDEVMODEW pdm)
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{
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PGRAPHICS_DEVICE pGraphicsDevice;
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PPDEVOBJ ppdev;
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DPRINT("EngpCreatePDEV(%wZ, %p)\n", pustrDeviceName, pdm);
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/* Try to find the GRAPHICS_DEVICE */
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if (pustrDeviceName)
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{
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pGraphicsDevice = EngpFindGraphicsDevice(pustrDeviceName, 0, 0);
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if (!pGraphicsDevice)
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{
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DPRINT1("No GRAPHICS_DEVICE found for %ls!\n",
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pustrDeviceName ? pustrDeviceName->Buffer : 0);
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return NULL;
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}
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}
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else
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{
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pGraphicsDevice = gpPrimaryGraphicsDevice;
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}
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/* Allocate a new PDEVOBJ */
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ppdev = PDEVOBJ_AllocPDEV();
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if (!ppdev)
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{
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DPRINT1("failed to allocate a PDEV\n");
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return NULL;
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}
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/* If no DEVMODEW is given, ... */
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if (!pdm)
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{
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/* ... use the device's default one */
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pdm = pGraphicsDevice->pDevModeList[pGraphicsDevice->iDefaultMode].pdm;
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DPRINT("Using iDefaultMode = %lu\n", pGraphicsDevice->iDefaultMode);
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}
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/* Try to get a diplay driver */
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ppdev->pldev = EngLoadImageEx(pdm->dmDeviceName, LDEV_DEVICE_DISPLAY);
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if (!ppdev->pldev)
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{
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DPRINT1("Could not load display driver '%ls', '%ls'\n",
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pGraphicsDevice->pDiplayDrivers,
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pdm->dmDeviceName);
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ExFreePoolWithTag(ppdev, GDITAG_PDEV);
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return NULL;
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}
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/* Copy the function table */
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ppdev->pfn = ppdev->pldev->pfn;
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/* Set MovePointer function */
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ppdev->pfnMovePointer = ppdev->pfn.MovePointer;
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if (!ppdev->pfnMovePointer)
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ppdev->pfnMovePointer = EngMovePointer;
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ppdev->pGraphicsDevice = pGraphicsDevice;
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ppdev->hsemDevLock = EngCreateSemaphore();
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// Should we change the ative mode of pGraphicsDevice ?
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ppdev->pdmwDev = PDEVOBJ_pdmMatchDevMode(ppdev, pdm) ;
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/* FIXME! */
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ppdev->flFlags = PDEV_DISPLAY;
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/* HACK: Don't use the pointer */
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ppdev->Pointer.Exclude.right = -1;
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/* Call the driver to enable the PDEV */
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if (!PDEVOBJ_bEnablePDEV(ppdev, pdm, NULL))
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{
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DPRINT1("Failed to enable PDEV!\n");
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PDEVOBJ_vRelease(ppdev);
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return NULL;
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}
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/* FIXME: this must be done in a better way */
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pGraphicsDevice->StateFlags |= DISPLAY_DEVICE_ATTACHED_TO_DESKTOP;
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/* Tell the driver that the PDEV is ready */
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PDEVOBJ_vCompletePDEV(ppdev);
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/* Return the PDEV */
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return ppdev;
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}
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FORCEINLINE
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VOID
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SwitchPointer(
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_Inout_ PVOID pvPointer1,
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_Inout_ PVOID pvPointer2)
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{
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PVOID *ppvPointer1 = pvPointer1;
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PVOID *ppvPointer2 = pvPointer2;
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PVOID pvTemp;
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pvTemp = *ppvPointer1;
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*ppvPointer1 = *ppvPointer2;
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*ppvPointer2 = pvTemp;
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}
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VOID
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NTAPI
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PDEVOBJ_vSwitchPdev(
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PPDEVOBJ ppdev,
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PPDEVOBJ ppdev2)
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{
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union
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{
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DRIVER_FUNCTIONS pfn;
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GDIINFO gdiinfo;
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DEVINFO devinfo;
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DWORD StateFlags;
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} temp;
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/* Exchange driver functions */
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temp.pfn = ppdev->pfn;
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ppdev->pfn = ppdev2->pfn;
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ppdev2->pfn = temp.pfn;
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/* Exchange LDEVs */
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SwitchPointer(&ppdev->pldev, &ppdev2->pldev);
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/* Exchange DHPDEV */
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SwitchPointer(&ppdev->dhpdev, &ppdev2->dhpdev);
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/* Exchange surfaces and associate them with their new PDEV */
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SwitchPointer(&ppdev->pSurface, &ppdev2->pSurface);
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ppdev->pSurface->SurfObj.hdev = (HDEV)ppdev;
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ppdev2->pSurface->SurfObj.hdev = (HDEV)ppdev2;
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/* Exchange devinfo */
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temp.devinfo = ppdev->devinfo;
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ppdev->devinfo = ppdev2->devinfo;
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ppdev2->devinfo = temp.devinfo;
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/* Exchange gdiinfo */
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temp.gdiinfo = ppdev->gdiinfo;
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ppdev->gdiinfo = ppdev2->gdiinfo;
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ppdev2->gdiinfo = temp.gdiinfo;
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/* Exchange DEVMODE */
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SwitchPointer(&ppdev->pdmwDev, &ppdev2->pdmwDev);
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/* Exchange state flags */
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temp.StateFlags = ppdev->pGraphicsDevice->StateFlags;
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ppdev->pGraphicsDevice->StateFlags = ppdev2->pGraphicsDevice->StateFlags;
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ppdev2->pGraphicsDevice->StateFlags = temp.StateFlags;
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/* Notify each driver instance of its new HDEV association */
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ppdev->pfn.CompletePDEV(ppdev->dhpdev, (HDEV)ppdev);
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ppdev2->pfn.CompletePDEV(ppdev2->dhpdev, (HDEV)ppdev2);
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}
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BOOL
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NTAPI
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PDEVOBJ_bSwitchMode(
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PPDEVOBJ ppdev,
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PDEVMODEW pdm)
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{
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UNICODE_STRING ustrDevice;
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PPDEVOBJ ppdevTmp;
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PSURFACE pSurface;
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BOOL retval = FALSE;
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/* Lock the PDEV */
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EngAcquireSemaphore(ppdev->hsemDevLock);
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/* And everything else */
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EngAcquireSemaphore(ghsemPDEV);
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DPRINT1("PDEVOBJ_bSwitchMode, ppdev = %p, pSurface = %p\n", ppdev, ppdev->pSurface);
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// Lookup the GraphicsDevice + select DEVMODE
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// pdm = PDEVOBJ_pdmMatchDevMode(ppdev, pdm);
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/* 1. Temporarily disable the current PDEV */
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if (!ppdev->pfn.AssertMode(ppdev->dhpdev, FALSE))
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{
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DPRINT1("DrvAssertMode failed\n");
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goto leave;
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}
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/* 2. Create new PDEV */
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RtlInitUnicodeString(&ustrDevice, ppdev->pGraphicsDevice->szWinDeviceName);
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ppdevTmp = EngpCreatePDEV(&ustrDevice, pdm);
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if (!ppdevTmp)
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{
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DPRINT1("Failed to create a new PDEV\n");
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goto leave;
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}
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/* 3. Create a new surface */
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pSurface = PDEVOBJ_pSurface(ppdevTmp);
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if (!pSurface)
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{
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DPRINT1("DrvEnableSurface failed\n");
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goto leave;
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}
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/* 4. Get DirectDraw information */
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/* 5. Enable DirectDraw Not traced */
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/* 6. Copy old PDEV state to new PDEV instance */
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/* 7. Switch the PDEVs */
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PDEVOBJ_vSwitchPdev(ppdev, ppdevTmp);
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/* 8. Disable DirectDraw */
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PDEVOBJ_vRelease(ppdevTmp);
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/* Update primary display capabilities */
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if(ppdev == gppdevPrimary)
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{
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PDEVOBJ_vGetDeviceCaps(ppdev, &GdiHandleTable->DevCaps);
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}
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/* Success! */
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retval = TRUE;
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leave:
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/* Unlock PDEV */
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EngReleaseSemaphore(ppdev->hsemDevLock);
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EngReleaseSemaphore(ghsemPDEV);
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DPRINT1("leave, ppdev = %p, pSurface = %p\n", ppdev, ppdev->pSurface);
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return retval;
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}
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PPDEVOBJ
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NTAPI
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EngpGetPDEV(
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_In_opt_ PUNICODE_STRING pustrDeviceName)
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{
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UNICODE_STRING ustrCurrent;
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PPDEVOBJ ppdev;
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PGRAPHICS_DEVICE pGraphicsDevice;
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/* Acquire PDEV lock */
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EngAcquireSemaphore(ghsemPDEV);
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/* Did the caller pass a device name? */
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if (pustrDeviceName)
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{
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/* Loop all present PDEVs */
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for (ppdev = gppdevList; ppdev; ppdev = ppdev->ppdevNext)
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{
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/* Get a pointer to the GRAPHICS_DEVICE */
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pGraphicsDevice = ppdev->pGraphicsDevice;
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/* Compare the name */
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RtlInitUnicodeString(&ustrCurrent, pGraphicsDevice->szWinDeviceName);
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if (RtlEqualUnicodeString(pustrDeviceName, &ustrCurrent, FALSE))
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{
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/* Found! */
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break;
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}
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}
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}
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else
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{
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/* Otherwise use the primary PDEV */
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ppdev = gppdevPrimary;
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}
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/* Did we find one? */
|
|
if (ppdev)
|
|
{
|
|
/* Yes, reference the PDEV */
|
|
InterlockedIncrement(&ppdev->cPdevRefs);
|
|
}
|
|
else
|
|
{
|
|
/* No, create a new PDEV for the given device */
|
|
ppdev = EngpCreatePDEV(pustrDeviceName, NULL);
|
|
if (ppdev)
|
|
{
|
|
/* Insert the PDEV into the list */
|
|
ppdev->ppdevNext = gppdevList;
|
|
gppdevList = ppdev;
|
|
|
|
/* Set as primary PDEV, if we don't have one yet */
|
|
if (!gppdevPrimary)
|
|
{
|
|
gppdevPrimary = ppdev;
|
|
ppdev->pGraphicsDevice->StateFlags |= DISPLAY_DEVICE_PRIMARY_DEVICE;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Release PDEV lock */
|
|
EngReleaseSemaphore(ghsemPDEV);
|
|
|
|
return ppdev;
|
|
}
|
|
|
|
INT
|
|
NTAPI
|
|
PDEVOBJ_iGetColorManagementCaps(PPDEVOBJ ppdev)
|
|
{
|
|
INT ret = CM_NONE;
|
|
|
|
if (ppdev->flFlags & PDEV_DISPLAY)
|
|
{
|
|
if (ppdev->devinfo.iDitherFormat == BMF_8BPP ||
|
|
ppdev->devinfo.flGraphicsCaps2 & GCAPS2_CHANGEGAMMARAMP)
|
|
ret = CM_GAMMA_RAMP;
|
|
}
|
|
|
|
if (ppdev->devinfo.flGraphicsCaps & GCAPS_CMYKCOLOR)
|
|
ret |= CM_CMYK_COLOR;
|
|
if (ppdev->devinfo.flGraphicsCaps & GCAPS_ICM)
|
|
ret |= CM_DEVICE_ICM;
|
|
|
|
return ret;
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
PDEVOBJ_vGetDeviceCaps(
|
|
IN PPDEVOBJ ppdev,
|
|
OUT PDEVCAPS pDevCaps)
|
|
{
|
|
PGDIINFO pGdiInfo = &ppdev->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->ulBitsPixel = pGdiInfo->cBitsPixel;
|
|
if (pDevCaps->ulBitsPixel == 15) pDevCaps->ulBitsPixel = 16;
|
|
pDevCaps->ulPlanes = pGdiInfo->cPlanes;
|
|
pDevCaps->ulNumPens = pGdiInfo->ulNumColors;
|
|
if (pDevCaps->ulNumPens != -1) pDevCaps->ulNumPens *= 5;
|
|
pDevCaps->ulNumFonts = 0; // PDEVOBJ_cFonts(ppdev);
|
|
pDevCaps->ulNumColors = pGdiInfo->ulNumColors;
|
|
pDevCaps->ulRasterCaps = pGdiInfo->flRaster;
|
|
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->ulTextCaps = pGdiInfo->flTextCaps;
|
|
pDevCaps->ulTextCaps |= (TC_SO_ABLE|TC_UA_ABLE|TC_CP_STROKE|TC_OP_STROKE|TC_OP_CHARACTER);
|
|
if (pGdiInfo->ulTechnology != DT_PLOTTER)
|
|
pDevCaps->ulTextCaps |= TC_VA_ABLE;
|
|
pDevCaps->ulVRefresh = pGdiInfo->ulVRefresh;
|
|
pDevCaps->ulDesktopHorzRes = pGdiInfo->ulHorzRes;
|
|
pDevCaps->ulDesktopVertRes = pGdiInfo->ulVertRes;
|
|
pDevCaps->ulBltAlignment = pGdiInfo->ulBltAlignment;
|
|
pDevCaps->ulPanningHorzRes = pGdiInfo->ulPanningHorzRes;
|
|
pDevCaps->ulPanningVertRes = pGdiInfo->ulPanningVertRes;
|
|
pDevCaps->xPanningAlignment = pGdiInfo->xPanningAlignment;
|
|
pDevCaps->yPanningAlignment = pGdiInfo->yPanningAlignment;
|
|
pDevCaps->ulShadeBlend = pGdiInfo->flShadeBlend;
|
|
pDevCaps->ulColorMgmtCaps = PDEVOBJ_iGetColorManagementCaps(ppdev);
|
|
}
|
|
|
|
|
|
/** Exported functions ********************************************************/
|
|
|
|
_Must_inspect_result_ _Ret_z_
|
|
LPWSTR
|
|
APIENTRY
|
|
EngGetDriverName(_In_ HDEV hdev)
|
|
{
|
|
PPDEVOBJ ppdev = (PPDEVOBJ)hdev;
|
|
|
|
ASSERT(ppdev);
|
|
ASSERT(ppdev->pldev);
|
|
ASSERT(ppdev->pldev->pGdiDriverInfo);
|
|
ASSERT(ppdev->pldev->pGdiDriverInfo->DriverName.Buffer);
|
|
|
|
return ppdev->pldev->pGdiDriverInfo->DriverName.Buffer;
|
|
}
|
|
|
|
|
|
INT
|
|
APIENTRY
|
|
NtGdiGetDeviceCaps(
|
|
HDC hdc,
|
|
INT Index)
|
|
{
|
|
PDC pdc;
|
|
DEVCAPS devcaps;
|
|
|
|
/* Lock the given DC */
|
|
pdc = DC_LockDc(hdc);
|
|
if (!pdc)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return 0;
|
|
}
|
|
|
|
/* Get the data */
|
|
PDEVOBJ_vGetDeviceCaps(pdc->ppdev, &devcaps);
|
|
|
|
/* Unlock the DC */
|
|
DC_UnlockDc(pdc);
|
|
|
|
/* Return capability */
|
|
switch (Index)
|
|
{
|
|
case DRIVERVERSION:
|
|
return devcaps.ulVersion;
|
|
|
|
case TECHNOLOGY:
|
|
return devcaps.ulTechnology;
|
|
|
|
case HORZSIZE:
|
|
return devcaps.ulHorzSize;
|
|
|
|
case VERTSIZE:
|
|
return devcaps.ulVertSize;
|
|
|
|
case HORZRES:
|
|
return devcaps.ulHorzRes;
|
|
|
|
case VERTRES:
|
|
return devcaps.ulVertRes;
|
|
|
|
case LOGPIXELSX:
|
|
return devcaps.ulLogPixelsX;
|
|
|
|
case LOGPIXELSY:
|
|
return devcaps.ulLogPixelsY;
|
|
|
|
case BITSPIXEL:
|
|
return devcaps.ulBitsPixel;
|
|
|
|
case PLANES:
|
|
return devcaps.ulPlanes;
|
|
|
|
case NUMBRUSHES:
|
|
return -1;
|
|
|
|
case NUMPENS:
|
|
return devcaps.ulNumPens;
|
|
|
|
case NUMFONTS:
|
|
return devcaps.ulNumFonts;
|
|
|
|
case NUMCOLORS:
|
|
return devcaps.ulNumColors;
|
|
|
|
case ASPECTX:
|
|
return devcaps.ulAspectX;
|
|
|
|
case ASPECTY:
|
|
return devcaps.ulAspectY;
|
|
|
|
case ASPECTXY:
|
|
return devcaps.ulAspectXY;
|
|
|
|
case CLIPCAPS:
|
|
return CP_RECTANGLE;
|
|
|
|
case SIZEPALETTE:
|
|
return devcaps.ulSizePalette;
|
|
|
|
case NUMRESERVED:
|
|
return 20;
|
|
|
|
case COLORRES:
|
|
return devcaps.ulColorRes;
|
|
|
|
case DESKTOPVERTRES:
|
|
return devcaps.ulVertRes;
|
|
|
|
case DESKTOPHORZRES:
|
|
return devcaps.ulHorzRes;
|
|
|
|
case BLTALIGNMENT:
|
|
return devcaps.ulBltAlignment;
|
|
|
|
case SHADEBLENDCAPS:
|
|
return devcaps.ulShadeBlend;
|
|
|
|
case COLORMGMTCAPS:
|
|
return devcaps.ulColorMgmtCaps;
|
|
|
|
case PHYSICALWIDTH:
|
|
return devcaps.ulPhysicalWidth;
|
|
|
|
case PHYSICALHEIGHT:
|
|
return devcaps.ulPhysicalHeight;
|
|
|
|
case PHYSICALOFFSETX:
|
|
return devcaps.ulPhysicalOffsetX;
|
|
|
|
case PHYSICALOFFSETY:
|
|
return devcaps.ulPhysicalOffsetY;
|
|
|
|
case VREFRESH:
|
|
return devcaps.ulVRefresh;
|
|
|
|
case RASTERCAPS:
|
|
return devcaps.ulRasterCaps;
|
|
|
|
case CURVECAPS:
|
|
return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
|
|
CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
|
|
|
|
case LINECAPS:
|
|
return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
|
|
LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
|
|
|
|
case POLYGONALCAPS:
|
|
return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
|
|
PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
|
|
|
|
case TEXTCAPS:
|
|
return devcaps.ulTextCaps;
|
|
|
|
case CAPS1:
|
|
case PDEVICESIZE:
|
|
case SCALINGFACTORX:
|
|
case SCALINGFACTORY:
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
_Success_(return!=FALSE)
|
|
BOOL
|
|
APIENTRY
|
|
NtGdiGetDeviceCapsAll(
|
|
IN HDC hDC,
|
|
OUT PDEVCAPS pDevCaps)
|
|
{
|
|
PDC pdc;
|
|
DEVCAPS devcaps;
|
|
BOOL bResult = TRUE;
|
|
|
|
/* Lock the given DC */
|
|
pdc = DC_LockDc(hDC);
|
|
if (!pdc)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Get the data */
|
|
PDEVOBJ_vGetDeviceCaps(pdc->ppdev, &devcaps);
|
|
|
|
/* Unlock the DC */
|
|
DC_UnlockDc(pdc);
|
|
|
|
/* Copy data to caller */
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForWrite(pDevCaps, sizeof(DEVCAPS), 1);
|
|
RtlCopyMemory(pDevCaps, &devcaps, sizeof(DEVCAPS));
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
SetLastNtError(_SEH2_GetExceptionCode());
|
|
bResult = FALSE;
|
|
}
|
|
_SEH2_END;
|
|
|
|
return bResult;
|
|
}
|
|
|
|
DHPDEV
|
|
APIENTRY
|
|
NtGdiGetDhpdev(
|
|
IN HDEV hdev)
|
|
{
|
|
PPDEVOBJ ppdev;
|
|
DHPDEV dhpdev = NULL;
|
|
|
|
/* Check parameter */
|
|
if (!hdev || (PCHAR)hdev < (PCHAR)MmSystemRangeStart)
|
|
return NULL;
|
|
|
|
/* Lock PDEV list */
|
|
EngAcquireSemaphoreShared(ghsemPDEV);
|
|
|
|
/* Walk through the list of PDEVs */
|
|
for (ppdev = gppdevList; ppdev; ppdev = ppdev->ppdevNext)
|
|
{
|
|
/* Compare with the given HDEV */
|
|
if (ppdev == (PPDEVOBJ)hdev)
|
|
{
|
|
/* Found the PDEV! Get it's dhpdev and break */
|
|
dhpdev = ppdev->dhpdev;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Unlock PDEV list */
|
|
EngReleaseSemaphore(ghsemPDEV);
|
|
|
|
return dhpdev;
|
|
}
|
|
|
|
PSIZEL
|
|
FASTCALL
|
|
PDEVOBJ_sizl(PPDEVOBJ ppdev, PSIZEL psizl)
|
|
{
|
|
if (ppdev->flFlags & PDEV_META_DEVICE)
|
|
{
|
|
psizl->cx = ppdev->ulHorzRes;
|
|
psizl->cy = ppdev->ulVertRes;
|
|
}
|
|
else
|
|
{
|
|
psizl->cx = ppdev->gdiinfo.ulHorzRes;
|
|
psizl->cy = ppdev->gdiinfo.ulVertRes;
|
|
}
|
|
return psizl;
|
|
}
|