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[WIN32K]

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Fix REGION_vSyncRegion and RGNOBJAPI_Unlock to actually make sense

svn path=/trunk/; revision=65737
This commit is contained in:
Timo Kreuzer 2014-12-18 08:13:06 +00:00
parent dd9435905a
commit 383e40f59f
1 changed files with 58 additions and 69 deletions
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127
reactos/win32ss/gdi/ntgdi/region.c
View file

@ -2274,51 +2274,47 @@ REGION_AllocUserRgnWithHandle(
return prgn;
}
static
VOID
NTAPI
REGION_vSyncRegion(
PREGION pRgn)
PREGION prgn)
{
PRGN_ATTR pRgn_Attr = NULL;
PRGN_ATTR prgnattr;
if (pRgn && pRgn->prgnattr != &pRgn->rgnattr)
NT_ASSERT(prgn != NULL);
NT_ASSERT(prgn->prgnattr != NULL);
NT_ASSERT((prgn->prgnattr == &prgn->rgnattr) ||
(prgn->prgnattr->AttrFlags & ATTR_RGN_VALID));
/* Get the region attribute and check if it's dirty (modified) */
prgnattr = prgn->prgnattr;
if (prgnattr->AttrFlags & ATTR_RGN_DIRTY)
{
pRgn_Attr = GDIOBJ_pvGetObjectAttr(&pRgn->BaseObject);
NT_ASSERT(GreGetObjectOwner(prgn->BaseObject.hHmgr) == GDI_OBJ_HMGR_POWNED);
NT_ASSERT(prgnattr != &prgn->rgnattr);
if ( pRgn_Attr )
if (prgnattr->iComplexity == NULLREGION)
{
_SEH2_TRY
{
if ( !(pRgn_Attr->AttrFlags & ATTR_CACHED) )
{
if ( pRgn_Attr->AttrFlags & (ATTR_RGN_VALID|ATTR_RGN_DIRTY) )
{
switch (pRgn_Attr->iComplexity)
{
case NULLREGION:
EMPTY_REGION( pRgn );
break;
case SIMPLEREGION:
REGION_SetRectRgn( pRgn,
pRgn_Attr->Rect.left,
pRgn_Attr->Rect.top,
pRgn_Attr->Rect.right,
pRgn_Attr->Rect.bottom );
break;
}
pRgn_Attr->AttrFlags &= ~ATTR_RGN_DIRTY;
}
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
(VOID)0;
}
_SEH2_END;
EMPTY_REGION(prgn);
}
else if (prgnattr->iComplexity == SIMPLEREGION)
{
REGION_SetRectRgn(prgn,
prgnattr->Rect.left,
prgnattr->Rect.top,
prgnattr->Rect.right,
prgnattr->Rect.bottom);
}
else
{
/* Should not happen, region attribute is corrupted! */
DPRINT1("Region attribute is corrupted, ignoring\n");
NT_ASSERT(FALSE);
}
}
/* Reset the flags */
prgnattr->AttrFlags &= ~(ATTR_RGN_DIRTY | ATTR_RGN_VALID);
}
PREGION
@ -2344,35 +2340,27 @@ RGNOBJAPI_Lock(
VOID
FASTCALL
RGNOBJAPI_Unlock(
PREGION pRgn)
PREGION prgn)
{
PRGN_ATTR pRgn_Attr;
PRGN_ATTR prgnattr;
if (pRgn && GreGetObjectOwner(pRgn->BaseObject.hHmgr) == GDI_OBJ_HMGR_POWNED)
NT_ASSERT(prgn != NULL);
NT_ASSERT(prgn->prgnattr != NULL);
/* Get the region attribute and check if it's user mode */
prgnattr = prgn->prgnattr;
if (prgnattr != &prgn->rgnattr)
{
pRgn_Attr = GDIOBJ_pvGetObjectAttr(&pRgn->BaseObject);
if ( pRgn_Attr )
{
_SEH2_TRY
{
if ( pRgn_Attr->AttrFlags & ATTR_RGN_VALID )
{
pRgn_Attr->iComplexity = REGION_Complexity( pRgn );
pRgn_Attr->Rect.left = pRgn->rdh.rcBound.left;
pRgn_Attr->Rect.top = pRgn->rdh.rcBound.top;
pRgn_Attr->Rect.right = pRgn->rdh.rcBound.right;
pRgn_Attr->Rect.bottom = pRgn->rdh.rcBound.bottom;
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
(VOID)0;
}
_SEH2_END;
}
NT_ASSERT(GreGetObjectOwner(prgn->BaseObject.hHmgr) == GDI_OBJ_HMGR_POWNED);
prgnattr->iComplexity = REGION_Complexity(prgn);
prgnattr->Rect.left = prgn->rdh.rcBound.left;
prgnattr->Rect.top = prgn->rdh.rcBound.top;
prgnattr->Rect.right = prgn->rdh.rcBound.right;
prgnattr->Rect.bottom = prgn->rdh.rcBound.bottom;
prgnattr->AttrFlags |= ATTR_RGN_VALID;
}
REGION_UnlockRgn(pRgn);
REGION_UnlockRgn(prgn);
}
/*
@ -2403,6 +2391,7 @@ IntSysCreateRectpRgn(
/* Initialize it */
prgn->Buffer = &prgn->rdh.rcBound;
prgn->prgnattr = &prgn->rgnattr;
prgn->prgnattr->AttrFlags = ATTR_RGN_VALID;
REGION_SetRectRgn(prgn, LeftRect, TopRect, RightRect, BottomRect);
return prgn;
@ -3522,19 +3511,19 @@ NtGdiCombineRgn(
/* HACK: Sync usermode attributes */
REGION_vSyncRegion(aprgn[0]);
REGION_vSyncRegion(aprgn[1]);
if (aprgn[2]) REGION_vSyncRegion(aprgn[2]);
if (aprgn[1] != aprgn[0])
REGION_vSyncRegion(aprgn[1]);
if ((aprgn[2] != NULL) && (aprgn[2] != aprgn[0]) && (aprgn[2] != aprgn[1]))
REGION_vSyncRegion(aprgn[2]);
/* Call the internal function */
iResult = IntGdiCombineRgn(aprgn[0], aprgn[1], aprgn[2], iMode);
/// FIXME: need to sync user attr back
/* Cleanup and return */
REGION_UnlockRgn(aprgn[0]);
REGION_UnlockRgn(aprgn[1]);
if (aprgn[2])
REGION_UnlockRgn(aprgn[2]);
/* Unlock and return */
RGNOBJAPI_Unlock(aprgn[0]);
RGNOBJAPI_Unlock(aprgn[1]);
if (aprgn[2] != NULL)
RGNOBJAPI_Unlock(aprgn[2]);
return iResult;
}