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Bugzilla #5120, #7246: In CW's GC ops, validate the backing GC against the

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backing drawable if the serial numbers differ.  Fixes crash in XAA which
occurred when the DDX bumped the serial number on the backing drawable and
expected it to get re-validated, and we didn't because the wrapped drawable
hadn't been bumped.
This commit is contained in:
Eric Anholt
2006-06-16 10:14:30 -07:00
parent b90088321e
commit 53f74b6aa9
1 changed files with 4 additions and 0 deletions
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4
miext/cw/cw_ops.c
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@@ -28,6 +28,7 @@
#include <stdlib.h> #include <stdlib.h>
#include "gcstruct.h" #include "gcstruct.h"
#include "pixmapstr.h"
#include "cw.h" #include "cw.h"
#define SETUP_BACKING_DST(_pDst, _pGC) \ #define SETUP_BACKING_DST(_pDst, _pGC) \
@@ -43,6 +44,9 @@
&src_off_y) &src_off_y)
#define PROLOGUE(pGC) do { \ #define PROLOGUE(pGC) do { \
if (pBackingGC->serialNumber != pBackingDst->serialNumber) { \
ValidateGC(pBackingDst, pBackingGC); \
} \
pGC->funcs = pGCPrivate->wrapFuncs;\ pGC->funcs = pGCPrivate->wrapFuncs;\
pGC->ops = pGCPrivate->wrapOps;\ pGC->ops = pGCPrivate->wrapOps;\
} while (0) } while (0)