From 1b61390856ce336c82f7b99def574775893bf4f2 Mon Sep 17 00:00:00 2001
From: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
Date: Tue, 1 Dec 2015 12:31:14 +0100
Subject: Reduce flushes with repaint() when GL-based compositing is active

Task-number: QTBUG-49655
Change-Id: I7a5d08f681a7d87709aac745154730764040e922
Reviewed-by: Paul Olav Tvete <paul.tvete@theqtcompany.com>
---
 .../platformcompositor/qopenglcompositorbackingstore.cpp               | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/platformsupport')

diff --git a/src/platformsupport/platformcompositor/qopenglcompositorbackingstore.cpp b/src/platformsupport/platformcompositor/qopenglcompositorbackingstore.cpp
index 6f71fb637f..fee3146f04 100644
--- a/src/platformsupport/platformcompositor/qopenglcompositorbackingstore.cpp
+++ b/src/platformsupport/platformcompositor/qopenglcompositorbackingstore.cpp
@@ -35,6 +35,7 @@
 #include <QtGui/QWindow>
 #include <QtGui/QPainter>
 #include <qpa/qplatformbackingstore.h>
+#include <private/qwindow_p.h>
 
 #include "qopenglcompositorbackingstore_p.h"
 #include "qopenglcompositor_p.h"
@@ -198,6 +199,8 @@ void QOpenGLCompositorBackingStore::composeAndFlush(QWindow *window, const QRegi
 
     dstCtx->makeCurrent(dstWin);
 
+    QWindowPrivate::get(window)->lastComposeTime.start();
+
     m_textures->clear();
     for (int i = 0; i < textures->count(); ++i)
         m_textures->appendTexture(textures->source(i), textures->textureId(i), textures->geometry(i),
-- 
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