From b6630a5181cfc3935b13052e0a32d4008d89cdb6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Morten=20Johan=20S=C3=B8rvig?=
 <morten.sorvig@theqtcompany.com>
Date: Tue, 26 Jan 2016 15:17:09 +0100
Subject: [PATCH] Scale offset as well on QBackingStore flush
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Also use the target window ("win") as context instead
of d->window.

Change-Id: I5b0fa3bb857526e4a4bc9c5e44670593da1dfe7c
Task-number: QTBUG-50487
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@theqtcompany.com>
Reviewed-by: Paul Olav Tvete <paul.tvete@theqtcompany.com>
---
 src/gui/painting/qbackingstore.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gui/painting/qbackingstore.cpp b/src/gui/painting/qbackingstore.cpp
index 8a5a6d4fcf1..c39675b0b6b 100644
--- a/src/gui/painting/qbackingstore.cpp
+++ b/src/gui/painting/qbackingstore.cpp
@@ -106,7 +106,8 @@ void QBackingStore::flush(const QRegion &region, QWindow *win, const QPoint &off
     }
 #endif
 
-    d_ptr->platformBackingStore->flush(win, QHighDpi::toNativeLocalRegion(region, d_ptr->window), offset);
+    d_ptr->platformBackingStore->flush(win, QHighDpi::toNativeLocalRegion(region, win),
+                                            QHighDpi::toNativeLocalPosition(offset, win));
 }
 
 /*!
-- 
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