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Fix bug 8871 - scrolling corruption with a compositing manager 

Call miHandleExposures() in CopyArea/CopyPlane explicitly in cw to
generate GraphicsExposes correctly.
This commit is contained in:
Soren Sandmann Pedersen 2007-04-26 12:41:01 -04:00
parent 0ff7c94fcf
commit 4fe918b385
1 changed files with 20 additions and 17 deletions
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35
miext/cw/cw_ops.c
View File

@ -30,6 +30,7 @@
#include "gcstruct.h"
#include "pixmapstr.h"
#include "cw.h"
#include "mi.h"
#define SETUP_BACKING_DST(_pDst, _pGC) \
cwGCPtr pGCPrivate = getCwGC (_pGC); \
@ -185,7 +186,7 @@ cwCopyArea(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, int srcx, int srcy,
int w, int h, int dstx, int dsty)
{
int odstx, odsty;
RegionPtr exposed = NULL;
int osrcx, osrcy;
SETUP_BACKING_DST(pDst, pGC);
SETUP_BACKING_SRC(pSrc, pGC);
@ -193,19 +194,20 @@ cwCopyArea(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, int srcx, int srcy,
odstx = dstx;
odsty = dsty;
osrcx = srcx;
osrcy = srcy;
CW_OFFSET_XY_DST(dstx, dsty);
CW_OFFSET_XY_SRC(srcx, srcy);
exposed = (*pBackingGC->ops->CopyArea)(pBackingSrc, pBackingDst,
pBackingGC, srcx, srcy, w, h,
dstx, dsty);
if (exposed != NULL)
REGION_TRANSLATE(pDst->pScreen, exposed, odstx - dstx, odsty - dsty);
(*pBackingGC->ops->CopyArea)(pBackingSrc, pBackingDst,
pBackingGC, srcx, srcy, w, h,
dstx, dsty);
EPILOGUE(pGC);
return exposed;
return miHandleExposures(pSrc, pDst, pGC,
osrcx, osrcy, w, h,
odstx, odsty, 0);
}
static RegionPtr
@ -213,7 +215,7 @@ cwCopyPlane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, int srcx, int srcy,
int w, int h, int dstx, int dsty, unsigned long plane)
{
int odstx, odsty;
RegionPtr exposed = NULL;
int osrcx, osrcy;
SETUP_BACKING_DST(pDst, pGC);
SETUP_BACKING_SRC(pSrc, pGC);
@ -221,19 +223,20 @@ cwCopyPlane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, int srcx, int srcy,
odstx = dstx;
odsty = dsty;
osrcx = srcx;
osrcy = srcy;
CW_OFFSET_XY_DST(dstx, dsty);
CW_OFFSET_XY_SRC(srcx, srcy);
exposed = (*pBackingGC->ops->CopyPlane)(pBackingSrc, pBackingDst,
pBackingGC, srcx, srcy, w, h,
dstx, dsty, plane);
if (exposed != NULL)
REGION_TRANSLATE(pDst->pScreen, exposed, odstx - dstx, odsty - dsty);
(*pBackingGC->ops->CopyPlane)(pBackingSrc, pBackingDst,
pBackingGC, srcx, srcy, w, h,
dstx, dsty, plane);
EPILOGUE(pGC);
return exposed;
return miHandleExposures(pSrc, pDst, pGC,
osrcx, osrcy, w, h,
odstx, odsty, plane);
}
static void