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Support NtGdiGetDhpdev.

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svn path=/trunk/; revision=31463
This commit is contained in:
James Tabor 2007-12-27 17:56:31 +00:00
parent 5778b4df0d
commit 88eea4a9ce
2 changed files with 15 additions and 17 deletions
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3
reactos/subsystems/win32/win32k/include/dc.h
View file

@ -49,13 +49,14 @@ typedef struct _GDIPOINTER /* should stay private to ENG */
ULONG Status; ULONG Status;
} GDIPOINTER, *PGDIPOINTER; } GDIPOINTER, *PGDIPOINTER;
typedef struct typedef struct _GDIDEVICE
{ {
HANDLE Handle; // HSURF HANDLE Handle; // HSURF
PVOID pvEntry; PVOID pvEntry;
ULONG lucExcLock; ULONG lucExcLock;
ULONG Tid; ULONG Tid;
struct _GDIDEVICE *ppdevNext;
FLONG flFlags; FLONG flFlags;
PERESOURCE hsemDevLock; PERESOURCE hsemDevLock;

29
reactos/subsystems/win32/win32k/objects/dc.c
View file

@ -543,7 +543,7 @@ IntPrepareDriver()
PrimarySurface.DisplayNumber = DisplayNumber; PrimarySurface.DisplayNumber = DisplayNumber;
PrimarySurface.flFlags = PDEV_DISPLAY; // Hard set,, add more flags. PrimarySurface.flFlags = PDEV_DISPLAY; // Hard set,, add more flags.
PrimarySurface.hsemDevLock = (PERESOURCE)EngCreateSemaphore(); PrimarySurface.hsemDevLock = (PERESOURCE)EngCreateSemaphore();
PrimarySurface.ppdevNext = NULL; // Fixme! We need to support more than display drvs.
ret = TRUE; ret = TRUE;
goto cleanup; goto cleanup;
} }
@ -3353,22 +3353,19 @@ DHPDEV
NtGdiGetDhpdev( NtGdiGetDhpdev(
IN HDEV hdev) IN HDEV hdev)
{ {
PGDIDEVICE pGdiDevice = (PGDIDEVICE) hdev; PGDIDEVICE pPDev, pGdiDevice = (PGDIDEVICE) hdev;
if (!pGdiDevice) return NULL; if (!pGdiDevice) return NULL;
// ATM we have one, so this cheesie test if ( pGdiDevice < (PGDIDEVICE)MmSystemRangeStart) return NULL;
if (pGdiDevice != &PrimarySurface) return NULL; pPDev = &PrimarySurface;
// KeEnterCriticalRegion();
// if ( pGdiDevice < MmSystemRangeStart) return NULL; do
// pPDev = &PrimarySurface; {
// KeEnterCriticalRegion(); if (pGdiDevice == pPDev) break;
// do else
// { pPDev = pPDev->ppdevNext;
// if (pGdiDevice == pPDev) break; } while (pPDev != NULL);
// else KeLeaveCriticalRegion();
// pPDev = pPDev->ppdevNext; if (!pPDev) return NULL;
// } while (pPDev != NULL);
// KeLeaveCriticalRegion();
// if (!pPDev) return NULL;
return pGdiDevice->PDev; return pGdiDevice->PDev;
} }