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[WIN32K]

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Restore saved DCs, when changing the DC owner. Otherwise there could be saved DCs with references to process owned resources, causing GDI object leaks.
Fixes assertion when closing iWisoft Video Converter
Also don't copy lSaveDepth and hdcSafe in DC_vCopyState, those must be handled manually.
CORE-10435 #resolve

svn path=/trunk/; revision=69759
This commit is contained in:
Timo Kreuzer 2015-10-31 19:37:36 +00:00
parent d463d96d4b
commit 36d8294a79
2 changed files with 8 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

5
reactos/win32ss/gdi/ntgdi/dclife.c
View file

@ -392,13 +392,16 @@ DC_vCleanup(PVOID ObjectBody)
if(pdc->dclevel.pSurface)
SURFACE_ShareUnlockSurface(pdc->dclevel.pSurface);
PDEVOBJ_vRelease(pdc->ppdev) ;
PDEVOBJ_vRelease(pdc->ppdev);
}
VOID
NTAPI
DC_vSetOwner(PDC pdc, ULONG ulOwner)
{
/* Delete saved DCs */
DC_vRestoreDC(pdc, 1);
if (pdc->dclevel.hPath)
{
GreSetObjectOwner(pdc->dclevel.hPath, ulOwner);

7
reactos/win32ss/gdi/ntgdi/dcstate.c
View file

@ -28,8 +28,6 @@ DC_vCopyState(PDC pdcSrc, PDC pdcDst, BOOL To)
/* Copy DC level */
pdcDst->dclevel.pColorSpace = pdcSrc->dclevel.pColorSpace;
pdcDst->dclevel.lSaveDepth = pdcSrc->dclevel.lSaveDepth;
pdcDst->dclevel.hdcSave = pdcSrc->dclevel.hdcSave;
pdcDst->dclevel.laPath = pdcSrc->dclevel.laPath;
pdcDst->dclevel.ca = pdcSrc->dclevel.ca;
pdcDst->dclevel.mxWorldToDevice = pdcSrc->dclevel.mxWorldToDevice;
@ -131,7 +129,7 @@ DC_vRestoreDC(
HDC hdcSave;
PDC pdcSave;
ASSERT(iSaveLevel > 0);
NT_ASSERT(iSaveLevel > 0);
DPRINT("DC_vRestoreDC(%p, %ld)\n", pdc->BaseObject.hHmgr, iSaveLevel);
/* Loop the save levels */
@ -146,6 +144,7 @@ DC_vRestoreDC(
/* Could not get ownership. That's bad! */
DPRINT1("Could not get ownership of saved DC (%p) for hdc %p!\n",
hdcSave, pdc->BaseObject.hHmgr);
NT_ASSERT(FALSE);
return;// FALSE;
}
@ -156,6 +155,7 @@ DC_vRestoreDC(
/* WTF? Internal error! */
DPRINT1("Could not lock the saved DC (%p) for dc %p!\n",
hdcSave, pdc->BaseObject.hHmgr);
NT_ASSERT(FALSE);
return;// FALSE;
}
@ -300,6 +300,7 @@ NtGdiSaveDC(
if (pdcSave->dclevel.hPath) pdcSave->dclevel.flPath |= DCPATH_SAVE;
/* Set new dc as save dc */
pdcSave->dclevel.hdcSave = pdc->dclevel.hdcSave;
pdc->dclevel.hdcSave = hdcSave;
/* Increase save depth, return old value */