From 4633c2681c5b4ce7c6d57c42c01e7843c7836720 Mon Sep 17 00:00:00 2001
From: Gunnar Sletta <gunnar.sletta@nokia.com>
Date: Thu, 28 Apr 2011 09:13:06 +0200
Subject: [PATCH] Added a runtime option to enable consistent timing for
animations
---
src/declarative/items/qsgcanvas.cpp | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/src/declarative/items/qsgcanvas.cpp b/src/declarative/items/qsgcanvas.cpp
index 5fc5c76d1d..5d5c49d981 100644
--- a/src/declarative/items/qsgcanvas.cpp
+++ b/src/declarative/items/qsgcanvas.cpp
@@ -48,6 +48,8 @@
#include <private/qsgrenderer_p.h>
#include <private/qsgflashnode_p.h>
+#include <private/qabstractanimation_p.h>
+
#include <QtGui/qpainter.h>
#include <QtGui/qgraphicssceneevent.h>
#include <QtGui/qmatrix4x4.h>
@@ -60,6 +62,7 @@
QT_BEGIN_NAMESPACE
DEFINE_BOOL_CONFIG_OPTION(qmlThreadedRenderer, QML_THREADED_RENDERER)
+DEFINE_BOOL_CONFIG_OPTION(qmlFixedAnimationStep, QML_FIXED_ANIMATION_STEP)
/*
Focus behavior
@@ -332,8 +335,8 @@ void QSGCanvasPrivate::renderSceneGraph()
#ifdef FRAME_TIMING
- int pixel;
- glReadPixels(0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &pixel);
+// int pixel;
+// glReadPixels(0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &pixel);
readbackTime = frameTimer.elapsed();
#endif
@@ -477,6 +480,8 @@ QSGCanvasPrivate::~QSGCanvasPrivate()
void QSGCanvasPrivate::init(QSGCanvas *c)
{
+ QUnifiedTimer::instance(true)->setConsistentTiming(qmlFixedAnimationStep());
+
q_ptr = c;
Q_Q(QSGCanvas);
--
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