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damage: Must translate initial window damage by window offset 

Damage is reported relative to the drawable origin, but the window
borderClip is absolute. Translate the region by the window position
before reporting damage to adjust.

Reported-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Keith Packard 2013-09-20 14:43:41 -05:00
parent 8010d3a48b
commit 7d3d4ae55d
1 changed files with 2 additions and 0 deletions
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2
damageext/damageext.c
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@ -223,7 +223,9 @@ ProcDamageCreate(ClientPtr client)
if (pDrawable->type == DRAWABLE_WINDOW) {
pRegion = &((WindowPtr) pDrawable)->borderClip;
RegionTranslate(pRegion, -pDrawable->x, -pDrawable->y);
DamageReportDamage(pDamageExt->pDamage, pRegion);
RegionTranslate(pRegion, pDrawable->x, pDrawable->y);
}
return Success;