From 07bd5a90a3dccaa31940e3b1a78069f55e25405a Mon Sep 17 00:00:00 2001
From: Filipe Azevedo <filipe.azevedo@kdab.com>
Date: Tue, 13 Dec 2016 16:02:23 +0100
Subject: Fix hidpi support for opengl window grabbing
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Now set the QImage devicePixelRatio so the content is correct on all
screens.

Task-number: QTBUG-53795
Change-Id: Ic92eee98f691ebb1e0212498c1ae13ede74bca93
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
---
 src/gui/kernel/qopenglwindow.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/gui/kernel/qopenglwindow.cpp b/src/gui/kernel/qopenglwindow.cpp
index e1bd3d11b2..5170c7ab63 100644
--- a/src/gui/kernel/qopenglwindow.cpp
+++ b/src/gui/kernel/qopenglwindow.cpp
@@ -528,7 +528,9 @@ QImage QOpenGLWindow::grabFramebuffer()
         return QImage();
 
     makeCurrent();
-    return qt_gl_read_framebuffer(size() * devicePixelRatio(), false, false);
+    QImage img = qt_gl_read_framebuffer(size() * devicePixelRatio(), false, false);
+    img.setDevicePixelRatio(devicePixelRatio());
+    return img;
 }
 
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