Merge "Merge remote-tracking branch 'origin/5.4' into 5.4.0" into refs/staging/5.4.0

18 files changed, 296 insertions, 218 deletions

diff --git a/src/qml/compiler/qv4ssa.cpp b/src/qml/compiler/qv4ssa.cpp
index d67b88b718..d2222a0458 100644
--- a/src/qml/compiler/qv4ssa.cpp
+++ b/src/qml/compiler/qv4ssa.cpp
@@ -2991,15 +2991,19 @@ void splitCriticalEdges(IR::Function *f, DominatorTree &df, StatementWorklist &w
             toBB->in[inIdx] = newBB;
             newBB->out.append(toBB);
 
-            BasicBlock *container = 0;
-            for (container = fromBB->containingGroup(); container; container = container->containingGroup()) {
-                if (container == toBB || container == toBB->containingGroup())
-                    break;
+            // add newBB to the correct loop group
+            if (toBB->isGroupStart()) {
+                BasicBlock *container;
+                for (container = fromBB->containingGroup(); container; container = container->containingGroup())
+                     if (container == toBB)
+                         break;
+                if (container == toBB) // if we were already inside the toBB loop
+                    newBB->setContainingGroup(toBB);
+                else
+                    newBB->setContainingGroup(toBB->containingGroup());
+            } else {
+                newBB->setContainingGroup(toBB->containingGroup());
             }
-            if (container == 0)
-                container = fromBB->containingGroup();
-
-            newBB->setContainingGroup(container);
 
             // patch the terminator
             Stmt *terminator = fromBB->terminator();
diff --git a/src/qml/debugger/qqmldebugserver.cpp b/src/qml/debugger/qqmldebugserver.cpp
index 59ac548fa8..2a2ce663bc 100644
--- a/src/qml/debugger/qqmldebugserver.cpp
+++ b/src/qml/debugger/qqmldebugserver.cpp
@@ -419,6 +419,7 @@ QQmlDebugServer::QQmlDebugServer()
         }
     }
 #else
+    Q_UNUSED(&cleanup)
     if (!appD->qmljsDebugArgumentsString().isEmpty()) {
         qWarning() << QString(QLatin1String(
                      "QML Debugger: Ignoring \"-qmljsdebugger=%1\". "
diff --git a/src/qml/debugger/qqmlenginedebugservice.cpp b/src/qml/debugger/qqmlenginedebugservice.cpp
index cb533a0459..088f3203d6 100644
--- a/src/qml/debugger/qqmlenginedebugservice.cpp
+++ b/src/qml/debugger/qqmlenginedebugservice.cpp
@@ -96,8 +96,16 @@ QDataStream &operator>>(QDataStream &ds,
 QDataStream &operator<<(QDataStream &ds,
                         const QQmlEngineDebugService::QQmlObjectProperty &data)
 {
-    ds << (int)data.type << data.name << data.value << data.valueTypeName
-       << data.binding << data.hasNotifySignal;
+    ds << (int)data.type << data.name;
+    // check first whether the data can be saved
+    // (otherwise we assert in QVariant::operator<<)
+    QByteArray buffer;
+    QDataStream fakeStream(&buffer, QIODevice::WriteOnly);
+    if (QMetaType::save(fakeStream, data.value.type(), data.value.constData()))
+        ds << data.value;
+    else
+        ds << QVariant();
+    ds << data.valueTypeName << data.binding << data.hasNotifySignal;
     return ds;
 }
 
diff --git a/src/qml/jsruntime/qv4internalclass.cpp b/src/qml/jsruntime/qv4internalclass.cpp
index a59c3892a1..bb22e30ac1 100644
--- a/src/qml/jsruntime/qv4internalclass.cpp
+++ b/src/qml/jsruntime/qv4internalclass.cpp
@@ -412,25 +412,24 @@ InternalClass *InternalClass::frozen()
 
 void InternalClass::destroy()
 {
-    if (!engine)
-        return;
-    engine = 0;
-
-    propertyTable.~PropertyHash();
-    nameMap.~SharedInternalClassData<String *>();
-    propertyData.~SharedInternalClassData<PropertyAttributes>();
+    QList<InternalClass *> destroyStack;
+    destroyStack.append(this);
 
-    if (m_sealed)
-        m_sealed->destroy();
-
-    if (m_frozen)
-        m_frozen->destroy();
-
-    for (QHash<Transition, InternalClass *>::ConstIterator it = transitions.begin(), end = transitions.end();
-         it != end; ++it)
-        it.value()->destroy();
-
-    transitions.clear();
+    while (!destroyStack.isEmpty()) {
+        InternalClass *next = destroyStack.takeLast();
+        if (!next->engine)
+            continue;
+        next->engine = 0;
+        next->propertyTable.~PropertyHash();
+        next->nameMap.~SharedInternalClassData<String *>();
+        next->propertyData.~SharedInternalClassData<PropertyAttributes>();
+        if (next->m_sealed)
+            destroyStack.append(next->m_sealed);
+        if (next->m_frozen)
+            destroyStack.append(next->m_frozen);
+        destroyStack.append(next->transitions.values());
+        next->transitions.clear();
+    }
 }
 
 struct InternalClassPoolVisitor
diff --git a/src/qml/qml/qqmllocale_p.h b/src/qml/qml/qqmllocale_p.h
index a29b86fbea..3787517038 100644
--- a/src/qml/qml/qqmllocale_p.h
+++ b/src/qml/qml/qqmllocale_p.h
@@ -174,7 +174,7 @@ struct QQmlLocaleData : public QV4::Object
 private:
     static void destroy(Managed *that)
     {
-        static_cast<QQmlLocaleData *>(that)->~QQmlLocaleData();
+        static_cast<QQmlLocaleData *>(that)->d()->~Data();
     }
 };
 
diff --git a/src/quick/items/qquickwindow.cpp b/src/quick/items/qquickwindow.cpp
index f6c1412aff..262e227b16 100644
--- a/src/quick/items/qquickwindow.cpp
+++ b/src/quick/items/qquickwindow.cpp
@@ -893,8 +893,10 @@ void QQuickWindowPrivate::clearFocusInScope(QQuickItem *scope, QQuickItem *item,
 
 void QQuickWindowPrivate::clearFocusObject()
 {
-    if (activeFocusItem)
-        activeFocusItem->setFocus(false, Qt::OtherFocusReason);
+    if (activeFocusItem == contentItem)
+        return;
+
+    clearFocusInScope(contentItem, QQuickItemPrivate::get(contentItem)->subFocusItem, Qt::OtherFocusReason);
 }
 
 void QQuickWindowPrivate::notifyFocusChangesRecur(QQuickItem **items, int remaining)
@@ -1250,6 +1252,14 @@ bool QQuickWindow::isPersistentSceneGraph() const
 
 
 
+/*!
+    \qmlattachedproperty Item Window::contentItem
+    \since 5.4
+
+    This attached property holds the invisible root item of the scene or
+    \c null if the item is not in a window. The Window attached property
+    can be attached to any Item.
+*/
 
 /*!
     \property QQuickWindow::contentItem
diff --git a/src/quick/items/qquickwindowattached.cpp b/src/quick/items/qquickwindowattached.cpp
index 121da9e5d9..f74e903be3 100644
--- a/src/quick/items/qquickwindowattached.cpp
+++ b/src/quick/items/qquickwindowattached.cpp
@@ -65,6 +65,11 @@ QQuickItem *QQuickWindowAttached::activeFocusItem() const
     return (m_window ? m_window->activeFocusItem() : Q_NULLPTR);
 }
 
+QQuickItem *QQuickWindowAttached::contentItem() const
+{
+    return (m_window ? m_window->contentItem() : Q_NULLPTR);
+}
+
 void QQuickWindowAttached::windowChanged(QQuickWindow *window)
 {
     if (window != m_window) {
@@ -83,6 +88,7 @@ void QQuickWindowAttached::windowChanged(QQuickWindow *window)
             emit activeChanged();
         if (!oldWindow || window->activeFocusItem() != oldWindow->activeFocusItem())
             emit activeFocusItemChanged();
+        emit contentItemChanged();
 
         // QQuickWindowQmlImpl::visibilityChanged also exists, and window might even
         // be QQuickWindowQmlImpl, but that's not what we are connecting to.
diff --git a/src/quick/items/qquickwindowattached_p.h b/src/quick/items/qquickwindowattached_p.h
index 12dd273d60..7c2b0bc873 100644
--- a/src/quick/items/qquickwindowattached_p.h
+++ b/src/quick/items/qquickwindowattached_p.h
@@ -49,6 +49,7 @@ class Q_AUTOTEST_EXPORT QQuickWindowAttached : public QObject
     Q_PROPERTY(QWindow::Visibility visibility READ visibility NOTIFY visibilityChanged)
     Q_PROPERTY(bool active READ isActive NOTIFY activeChanged)
     Q_PROPERTY(QQuickItem* activeFocusItem READ activeFocusItem NOTIFY activeFocusItemChanged)
+    Q_PROPERTY(QQuickItem* contentItem READ contentItem NOTIFY contentItemChanged)
 
 public:
     QQuickWindowAttached(QObject* attachee);
@@ -56,12 +57,14 @@ public:
     QWindow::Visibility visibility() const;
     bool isActive() const;
     QQuickItem* activeFocusItem() const;
+    QQuickItem* contentItem() const;
 
 Q_SIGNALS:
 
     void visibilityChanged();
     void activeChanged();
     void activeFocusItemChanged();
+    void contentItemChanged();
 
 protected Q_SLOTS:
     void windowChanged(QQuickWindow*);
diff --git a/src/quick/scenegraph/qsgadaptationlayer.cpp b/src/quick/scenegraph/qsgadaptationlayer.cpp
index 80234d54f5..83704cf0ec 100644
--- a/src/quick/scenegraph/qsgadaptationlayer.cpp
+++ b/src/quick/scenegraph/qsgadaptationlayer.cpp
@@ -174,6 +174,11 @@ void QSGDistanceFieldGlyphCache::update()
 
     storeGlyphs(distanceFields);
 
+#if defined(QSG_DISTANCEFIELD_CACHE_DEBUG)
+    foreach (Texture texture, m_textures)
+        saveTexture(texture.textureId, texture.size.width(), texture.size.height());
+#endif
+
     if (QSG_LOG_TIME_GLYPH().isDebugEnabled()) {
         quint64 now = qsg_render_timer.elapsed();
         qCDebug(QSG_LOG_TIME_GLYPH,
@@ -284,6 +289,163 @@ void QSGDistanceFieldGlyphCache::updateTexture(GLuint oldTex, GLuint newTex, con
     }
 }
 
+#if defined(QSG_DISTANCEFIELD_CACHE_DEBUG)
+#include <QtGui/qopenglfunctions.h>
+
+void QSGDistanceFieldGlyphCache::saveTexture(GLuint textureId, int width, int height) const
+{
+    QOpenGLFunctions *functions = QOpenGLContext::currentContext()->functions();
+
+    GLuint fboId;
+    functions->glGenFramebuffers(1, &fboId);
+
+    GLuint tmpTexture = 0;
+    functions->glGenTextures(1, &tmpTexture);
+    functions->glBindTexture(GL_TEXTURE_2D, tmpTexture);
+    functions->glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+    functions->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    functions->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    functions->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+    functions->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+    functions->glBindTexture(GL_TEXTURE_2D, 0);
+
+    functions->glBindFramebuffer(GL_FRAMEBUFFER_EXT, fboId);
+    functions->glFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D,
+                                      tmpTexture, 0);
+
+    functions->glActiveTexture(GL_TEXTURE0);
+    functions->glBindTexture(GL_TEXTURE_2D, textureId);
+
+    functions->glDisable(GL_STENCIL_TEST);
+    functions->glDisable(GL_DEPTH_TEST);
+    functions->glDisable(GL_SCISSOR_TEST);
+    functions->glDisable(GL_BLEND);
+
+    GLfloat textureCoordinateArray[8];
+    textureCoordinateArray[0] = 0.0f;
+    textureCoordinateArray[1] = 0.0f;
+    textureCoordinateArray[2] = 1.0f;
+    textureCoordinateArray[3] = 0.0f;
+    textureCoordinateArray[4] = 1.0f;
+    textureCoordinateArray[5] = 1.0f;
+    textureCoordinateArray[6] = 0.0f;
+    textureCoordinateArray[7] = 1.0f;
+
+    GLfloat vertexCoordinateArray[8];
+    vertexCoordinateArray[0] = -1.0f;
+    vertexCoordinateArray[1] = -1.0f;
+    vertexCoordinateArray[2] =  1.0f;
+    vertexCoordinateArray[3] = -1.0f;
+    vertexCoordinateArray[4] =  1.0f;
+    vertexCoordinateArray[5] =  1.0f;
+    vertexCoordinateArray[6] = -1.0f;
+    vertexCoordinateArray[7] =  1.0f;
+
+    functions->glViewport(0, 0, width, height);
+    functions->glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray);
+    functions->glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray);
+
+    {
+        static const char *vertexShaderSource =
+                "attribute vec4      vertexCoordsArray; \n"
+                "attribute vec2      textureCoordArray; \n"
+                "varying   vec2      textureCoords;     \n"
+                "void main(void) \n"
+                "{ \n"
+                "    gl_Position = vertexCoordsArray;   \n"
+                "    textureCoords = textureCoordArray; \n"
+                "} \n";
+
+        static const char *fragmentShaderSource =
+                "varying   vec2      textureCoords; \n"
+                "uniform   sampler2D         texture;       \n"
+                "void main() \n"
+                "{ \n"
+                "    gl_FragColor = texture2D(texture, textureCoords); \n"
+                "} \n";
+
+        GLuint vertexShader = functions->glCreateShader(GL_VERTEX_SHADER);
+        GLuint fragmentShader = functions->glCreateShader(GL_FRAGMENT_SHADER);
+
+        if (vertexShader == 0 || fragmentShader == 0) {
+            GLenum error = functions->glGetError();
+            qWarning("QSGDistanceFieldGlyphCache::saveTexture: Failed to create shaders. (GL error: %x)",
+                     error);
+            return;
+        }
+
+        functions->glShaderSource(vertexShader, 1, &vertexShaderSource, NULL);
+        functions->glShaderSource(fragmentShader, 1, &fragmentShaderSource, NULL);
+        functions->glCompileShader(vertexShader);
+
+        GLint len = 1;
+        functions->glGetShaderiv(vertexShader, GL_INFO_LOG_LENGTH, &len);
+
+        char infoLog[2048];
+        functions->glGetShaderInfoLog(vertexShader, 2048, NULL, infoLog);
+        if (qstrlen(infoLog) > 0)
+            qWarning("Problems compiling vertex shader:\n %s", infoLog);
+
+        functions->glCompileShader(fragmentShader);
+        functions->glGetShaderInfoLog(fragmentShader, 2048, NULL, infoLog);
+        if (qstrlen(infoLog) > 0)
+            qWarning("Problems compiling fragment shader:\n %s", infoLog);
+
+        GLuint shaderProgram = functions->glCreateProgram();
+        functions->glAttachShader(shaderProgram, vertexShader);
+        functions->glAttachShader(shaderProgram, fragmentShader);
+
+        functions->glBindAttribLocation(shaderProgram, 0, "vertexCoordsArray");
+        functions->glBindAttribLocation(shaderProgram, 1, "textureCoordArray");
+
+        functions->glLinkProgram(shaderProgram);
+        functions->glGetProgramInfoLog(shaderProgram, 2048, NULL, infoLog);
+        if (qstrlen(infoLog) > 0)
+            qWarning("Problems linking shaders:\n %s", infoLog);
+
+        functions->glUseProgram(shaderProgram);
+        functions->glEnableVertexAttribArray(0);
+        functions->glEnableVertexAttribArray(1);
+
+        int textureUniformLocation = functions->glGetUniformLocation(shaderProgram, "texture");
+        functions->glUniform1i(textureUniformLocation, 0);
+    }
+
+    functions->glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+
+    {
+        GLenum error = functions->glGetError();
+        if (error != GL_NO_ERROR)
+            qWarning("glDrawArrays reported error 0x%x", error);
+    }
+
+    uchar *data = new uchar[width * height * 4];
+
+    functions->glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, data);
+
+    QImage image(data, width, height, QImage::Format_ARGB32);
+
+    QByteArray fileName = m_referenceFont.familyName().toLatin1() + '_' + QByteArray::number(textureId);
+    fileName = fileName.replace('/', '_').replace(' ', '_') + ".png";
+
+    image.save(QString::fromLocal8Bit(fileName));
+
+    {
+        GLenum error = functions->glGetError();
+        if (error != GL_NO_ERROR)
+            qWarning("glReadPixels reported error 0x%x", error);
+    }
+
+    functions->glDisableVertexAttribArray(0);
+    functions->glDisableVertexAttribArray(1);
+
+    functions->glDeleteFramebuffers(1, &fboId);
+    functions->glDeleteTextures(1, &tmpTexture);
+
+    delete[] data;
+}
+#endif
+
 void QSGNodeVisitorEx::visitChildren(QSGNode *node)
 {
     for (QSGNode *child = node->firstChild(); child; child = child->nextSibling()) {
diff --git a/src/quick/scenegraph/qsgadaptationlayer_p.h b/src/quick/scenegraph/qsgadaptationlayer_p.h
index a63299fcde..962fc5a98a 100644
--- a/src/quick/scenegraph/qsgadaptationlayer_p.h
+++ b/src/quick/scenegraph/qsgadaptationlayer_p.h
@@ -357,6 +357,10 @@ protected:
 
     GlyphData &glyphData(glyph_t glyph);
 
+#if defined(QSG_DISTANCEFIELD_CACHE_DEBUG)
+    void saveTexture(GLuint textureId, int width, int height) const;
+#endif
+
     inline bool isCoreProfile() const { return m_coreProfile; }
 
 private:
diff --git a/src/quick/scenegraph/qsgcontext.cpp b/src/quick/scenegraph/qsgcontext.cpp
index b5bdbde3ad..90102f1110 100644
--- a/src/quick/scenegraph/qsgcontext.cpp
+++ b/src/quick/scenegraph/qsgcontext.cpp
@@ -161,6 +161,7 @@ public:
         , m_time(0)
         , m_vsync(0)
         , m_mode(VSyncMode)
+        , m_lag(0)
         , m_bad(0)
         , m_good(0)
     {
diff --git a/src/quick/scenegraph/qsgshareddistancefieldglyphcache.cpp b/src/quick/scenegraph/qsgshareddistancefieldglyphcache.cpp
index 6f54b258ff..f635ccd17b 100644
--- a/src/quick/scenegraph/qsgshareddistancefieldglyphcache.cpp
+++ b/src/quick/scenegraph/qsgshareddistancefieldglyphcache.cpp
@@ -399,176 +399,6 @@ void QSGSharedDistanceFieldGlyphCache::unregisterOwnerElement(QQuickItem *ownerE
     }
 }
 
-#if defined(QSGSHAREDDISTANCEFIELDGLYPHCACHE_DEBUG_)
-#  include <QtOpenGL/private/qglextensions_p.h>
-
-void QSGSharedDistanceFieldGlyphCache::saveTexture(GLuint textureId, int width, int height)
-{
-    GLuint fboId;
-    glGenFramebuffers(1, &fboId);
-
-    GLuint tmpTexture = 0;
-    glGenTextures(1, &tmpTexture);
-    glBindTexture(GL_TEXTURE_2D, tmpTexture);
-    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    glBindTexture(GL_TEXTURE_2D, 0);
-
-    glBindFramebuffer(GL_FRAMEBUFFER_EXT, fboId);
-    glFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D,
-                           tmpTexture, 0);
-
-    glActiveTexture(GL_TEXTURE0);
-    glBindTexture(GL_TEXTURE_2D, textureId);
-
-    glDisable(GL_STENCIL_TEST);
-    glDisable(GL_DEPTH_TEST);
-    glDisable(GL_SCISSOR_TEST);
-    glDisable(GL_BLEND);
-
-    GLfloat textureCoordinateArray[8];
-    textureCoordinateArray[0] = 0.0f;
-    textureCoordinateArray[1] = 0.0f;
-    textureCoordinateArray[2] = 1.0f;
-    textureCoordinateArray[3] = 0.0f;
-    textureCoordinateArray[4] = 1.0f;
-    textureCoordinateArray[5] = 1.0f;
-    textureCoordinateArray[6] = 0.0f;
-    textureCoordinateArray[7] = 1.0f;
-
-    GLfloat vertexCoordinateArray[8];
-    vertexCoordinateArray[0] = -1.0f;
-    vertexCoordinateArray[1] = -1.0f;
-    vertexCoordinateArray[2] =  1.0f;
-    vertexCoordinateArray[3] = -1.0f;
-    vertexCoordinateArray[4] =  1.0f;
-    vertexCoordinateArray[5] =  1.0f;
-    vertexCoordinateArray[6] = -1.0f;
-    vertexCoordinateArray[7] =  1.0f;
-
-    glViewport(0, 0, width, height);
-    glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray);
-    glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray);
-
-    {
-        static const char vertexShaderSource[] =
-                "attribute highp   vec4      vertexCoordsArray; \n"
-                "attribute highp   vec2      textureCoordArray; \n"
-                "varying   highp   vec2      textureCoords;     \n"
-                "void main(void) \n"
-                "{ \n"
-                "    gl_Position = vertexCoordsArray;   \n"
-                "    textureCoords = textureCoordArray; \n"
-                "} \n";
-
-        static const char fragmentShaderSource[] =
-                "varying   highp   vec2      textureCoords; \n"
-                "uniform   sampler2D         texture;       \n"
-                "void main() \n"
-                "{ \n"
-                "    gl_FragColor = texture2D(texture, textureCoords); \n"
-                "} \n";
-
-        GLuint vertexShader = glCreateShader(GL_VERTEX_SHADER);
-        GLuint fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
-
-        if (vertexShader == 0 || fragmentShader == 0) {
-            GLenum error = glGetError();
-            qWarning("SharedGraphicsCacheServer::setupShaderPrograms: Failed to create shaders. (GL error: %x)",
-                     error);
-            return;
-        }
-
-        glShaderSource(vertexShader, 1, &vertexShaderSource, NULL);
-        glShaderSource(fragmentShader, 1, &fragmentShaderSource, NULL);
-        glCompileShader(vertexShader);
-
-        GLint len = 1;
-        glGetShaderiv(vertexShader, GL_INFO_LOG_LENGTH, &len);
-
-        char infoLog[2048];
-        glGetShaderInfoLog(vertexShader, 2048, NULL, infoLog);
-        if (qstrlen(infoLog) > 0) {
-            qWarning("SharedGraphicsCacheServer::setupShaderPrograms, problems compiling vertex shader:\n %s",
-                     infoLog);
-            //return;
-        }
-
-        glCompileShader(fragmentShader);
-        glGetShaderInfoLog(fragmentShader, 2048, NULL, infoLog);
-        if (qstrlen(infoLog) > 0) {
-            qWarning("SharedGraphicsCacheServer::setupShaderPrograms, problems compiling fragent shader:\n %s",
-                     infoLog);
-            //return;
-        }
-
-        GLuint shaderProgram = glCreateProgram();
-        glAttachShader(shaderProgram, vertexShader);
-        glAttachShader(shaderProgram, fragmentShader);
-
-        glBindAttribLocation(shaderProgram, 0, "vertexCoordsArray");
-        glBindAttribLocation(shaderProgram, 1, "textureCoordArray");
-
-        glLinkProgram(shaderProgram);
-        glGetProgramInfoLog(shaderProgram, 2048, NULL, infoLog);
-        if (qstrlen(infoLog) > 0) {
-            qWarning("SharedGraphicsCacheServer::setupShaderPrograms, problems linking shaders:\n %s",
-                     infoLog);
-            //return;
-        }
-
-        glUseProgram(shaderProgram);
-        glEnableVertexAttribArray(0);
-        glEnableVertexAttribArray(1);
-
-        int textureUniformLocation = glGetUniformLocation(shaderProgram, "_qt_texture");
-        glUniform1i(textureUniformLocation, 0);
-    }
-
-    glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
-    {
-        GLenum error = glGetError();
-        if (error != GL_NO_ERROR) {
-            qWarning("SharedGraphicsCacheServer::readBackBuffer: glDrawArrays reported error 0x%x",
-                     error);
-        }
-    }
-
-    uchar *data = new uchar[width * height * 4];
-
-    glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, data);
-
-    QImage image(width, height, QImage::Format_ARGB32);
-    quint32 *dest = reinterpret_cast<quint32 *>(image.bits());
-    for (int i=0; i<width*height; ++i)
-        dest[i] = qRgba(0xff, 0xff, 0xff, data[i]);
-
-    QByteArray fileName = m_cacheId + ' ' + QByteArray::number(textureId);
-    fileName = fileName.replace('/', '_').replace(' ', '_') + ".png";
-    image.save(QString::fromLocal8Bit(fileName));
-
-    {
-        GLenum error = glGetError();
-        if (error != GL_NO_ERROR) {
-            qWarning("SharedGraphicsCacheServer::readBackBuffer: glReadPixels reported error 0x%x",
-                     error);
-        }
-    }
-
-    glDisableVertexAttribArray(0);
-    glDisableVertexAttribArray(1);
-
-    glDeleteFramebuffers(1, &fboId);
-    glDeleteTextures(1, &tmpTexture);
-
-    delete[] data;
-}
-#endif
-
 namespace {
     struct TextureContent {
         QSize size;
@@ -683,9 +513,6 @@ void QSGSharedDistanceFieldGlyphCache::processPendingGlyphs()
                     texture.textureId = m_sharedGraphicsCache->textureIdForBuffer(it.key());
                     texture.size = m_sharedGraphicsCache->sizeOfBuffer(it.key());
 
-#if defined(QSGSHAREDDISTANCEFIELDGLYPHCACHE_DEBUG_)
-                    saveTexture(texture.textureId, texture.size.width(), texture.size.height());
-#endif
                     setGlyphsTexture(it.value().glyphs, texture);
 
                     ++it;
diff --git a/src/quick/scenegraph/scenegraph.pri b/src/quick/scenegraph/scenegraph.pri
index bcb523f90d..480ac5e569 100644
--- a/src/quick/scenegraph/scenegraph.pri
+++ b/src/quick/scenegraph/scenegraph.pri
@@ -1,6 +1,7 @@
 !contains(QT_CONFIG, egl):DEFINES += QT_NO_EGL
 
 # DEFINES += QSG_SEPARATE_INDEX_BUFFER
+# DEFINES += QSG_DISTANCEFIELD_CACHE_DEBUG
 
 # Core API
 HEADERS += \
diff --git a/tests/auto/qml/debugger/qqmlenginedebugservice/tst_qqmlenginedebugservice.cpp b/tests/auto/qml/debugger/qqmlenginedebugservice/tst_qqmlenginedebugservice.cpp
index 5bbbe8e1e9..7c931928d4 100644
--- a/tests/auto/qml/debugger/qqmlenginedebugservice/tst_qqmlenginedebugservice.cpp
+++ b/tests/auto/qml/debugger/qqmlenginedebugservice/tst_qqmlenginedebugservice.cpp
@@ -36,6 +36,7 @@
 #include <QHostAddress>
 #include <QDebug>
 #include <QThread>
+#include <QModelIndex>
 
 #include <QtQml/qqmlengine.h>
 #include <QtQml/qqmlcontext.h>
@@ -73,6 +74,16 @@ signals:
 };
 QML_DECLARE_TYPE(NonScriptProperty)
 
+class CustomTypes : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QModelIndex modelIndex READ modelIndex)
+public:
+    CustomTypes(QObject *parent = 0) : QObject(parent) {}
+
+    QModelIndex modelIndex() { return QModelIndex(); }
+};
+
 class tst_QQmlEngineDebugService : public QObject
 {
     Q_OBJECT
@@ -125,6 +136,7 @@ private slots:
     void setBindingInStates();
 
     void regression_QTCREATORBUG_7451();
+    void queryObjectWithNonStreamableTypes();
 };
 
 QmlDebugObjectReference tst_QQmlEngineDebugService::findRootObject(
@@ -314,6 +326,12 @@ void tst_QQmlEngineDebugService::initTestCase()
            "}\n"
            ;
 
+    // test non-streamable properties
+    qmlRegisterType<CustomTypes>("Backend", 1, 0, "CustomTypes");
+    qml << "import Backend 1.0\n"
+           "CustomTypes {}"
+           ;
+
     for (int i=0; i<qml.count(); i++) {
         QQmlComponent component(m_engine);
         component.setData(qml[i], QUrl::fromLocalFile(""));
@@ -620,7 +638,7 @@ void tst_QQmlEngineDebugService::queryRootContexts()
     // root context query sends only root object data - it doesn't fill in
     // the children or property info
     QCOMPARE(context.objects.count(), 0);
-    QCOMPARE(context.contexts.count(), 5);
+    QCOMPARE(context.contexts.count(), 6);
     QVERIFY(context.contexts[0].debugId >= 0);
     QCOMPARE(context.contexts[0].name, QString("tst_QQmlDebug_childContext"));
 }
@@ -819,6 +837,26 @@ void tst_QQmlEngineDebugService::regression_QTCREATORBUG_7451()
     }
 }
 
+void tst_QQmlEngineDebugService::queryObjectWithNonStreamableTypes()
+{
+    bool success;
+
+    QmlDebugObjectReference rootObject = findRootObject(4, true);
+
+    QQmlEngineDebugClient *unconnected = new QQmlEngineDebugClient(0);
+    unconnected->queryObject(rootObject, &success);
+    QVERIFY(!success);
+    delete unconnected;
+
+    m_dbg->queryObject(rootObject, &success);
+    QVERIFY(success);
+    QVERIFY(QQmlDebugTest::waitForSignal(m_dbg, SIGNAL(result())));
+
+    QmlDebugObjectReference obj = m_dbg->object();
+
+    QCOMPARE(findProperty(obj.properties, "modelIndex").value, QVariant());
+}
+
 
 void tst_QQmlEngineDebugService::queryExpressionResult()
 {
diff --git a/tests/auto/quick/qquickaccessible/tst_qquickaccessible.cpp b/tests/auto/quick/qquickaccessible/tst_qquickaccessible.cpp
index 921c81ae89..f6d5d16605 100644
--- a/tests/auto/quick/qquickaccessible/tst_qquickaccessible.cpp
+++ b/tests/auto/quick/qquickaccessible/tst_qquickaccessible.cpp
@@ -383,8 +383,6 @@ void tst_QQuickAccessible::checkableTest()
     QScopedPointer<QQuickView> window(new QQuickView());
     window->setSource(testFileUrl("checkbuttons.qml"));
     window->show();
-    window->requestActivate();
-    QVERIFY(QTest::qWaitForWindowActive(window.data()));
 
     QQuickItem *contentItem = window->contentItem();
     QVERIFY(contentItem);
@@ -462,8 +460,6 @@ void tst_QQuickAccessible::ignoredTest()
     QScopedPointer<QQuickView> window(new QQuickView());
     window->setSource(testFileUrl("ignored.qml"));
     window->show();
-    window->requestActivate();
-    QVERIFY(QTest::qWaitForWindowActive(window.data()));
 
     QQuickItem *contentItem = window->contentItem();
     QVERIFY(contentItem);
diff --git a/tests/auto/quick/qquickwindow/data/windowattached.qml b/tests/auto/quick/qquickwindow/data/windowattached.qml
index e000d5c6fd..0e3f1d4b62 100644
--- a/tests/auto/quick/qquickwindow/data/windowattached.qml
+++ b/tests/auto/quick/qquickwindow/data/windowattached.qml
@@ -6,6 +6,7 @@ Rectangle {
     width: 100
     height: 100
     property bool windowActive: root.Window.active
+    property Item contentItem: root.Window.contentItem
     Text {
         objectName: "rectangleWindowText"
         anchors.centerIn: parent
@@ -20,6 +21,7 @@ Rectangle {
             objectName: "extraWindowText"
             anchors.centerIn: parent
             text: (extraWindow.active ? "active" : "inactive") + "\nvisibility: " + Window.visibility
+            property Item contentItem: Window.contentItem
         }
     }
 }
diff --git a/tests/auto/quick/qquickwindow/tst_qquickwindow.cpp b/tests/auto/quick/qquickwindow/tst_qquickwindow.cpp
index 5bd7492d70..a25ed9bf9c 100644
--- a/tests/auto/quick/qquickwindow/tst_qquickwindow.cpp
+++ b/tests/auto/quick/qquickwindow/tst_qquickwindow.cpp
@@ -341,6 +341,7 @@ private slots:
     void testWindowVisibilityOrder();
 
     void blockClosing();
+    void blockCloseMethod();
 
     void crashWhenHoverItemDeleted();
 
@@ -1739,6 +1740,25 @@ void tst_qquickwindow::blockClosing()
     QTRY_VERIFY(!window->isVisible());
 }
 
+void tst_qquickwindow::blockCloseMethod()
+{
+    QQmlEngine engine;
+    QQmlComponent component(&engine);
+    component.loadUrl(testFileUrl("ucantclosethis.qml"));
+    QQuickWindow *window = qobject_cast<QQuickWindow *>(component.create());
+    QVERIFY(window);
+    window->show();
+    QTest::qWaitForWindowExposed(window);
+    QVERIFY(window->isVisible());
+    QVERIFY(QMetaObject::invokeMethod(window, "close", Qt::DirectConnection));
+    QVERIFY(window->isVisible());
+    QVERIFY(QMetaObject::invokeMethod(window, "close", Qt::DirectConnection));
+    QVERIFY(window->isVisible());
+    window->setProperty("canCloseThis", true);
+    QVERIFY(QMetaObject::invokeMethod(window, "close", Qt::DirectConnection));
+    QTRY_VERIFY(!window->isVisible());
+}
+
 void tst_qquickwindow::crashWhenHoverItemDeleted()
 {
     // QTBUG-32771
@@ -1952,6 +1972,7 @@ void tst_qquickwindow::attachedProperty()
     view.requestActivate();
     QVERIFY(QTest::qWaitForWindowActive(&view));
     QVERIFY(view.rootObject()->property("windowActive").toBool());
+    QCOMPARE(view.rootObject()->property("contentItem").value<QQuickItem*>(), view.contentItem());
 
     QQuickWindow *innerWindow = view.rootObject()->findChild<QQuickWindow*>("extraWindow");
     QVERIFY(innerWindow);
@@ -1961,6 +1982,7 @@ void tst_qquickwindow::attachedProperty()
     QQuickText *text = view.rootObject()->findChild<QQuickText*>("extraWindowText");
     QVERIFY(text);
     QCOMPARE(text->text(), QLatin1String("active\nvisibility: 2"));
+    QCOMPARE(text->property("contentItem").value<QQuickItem*>(), innerWindow->contentItem());
 }
 
 class RenderJob : public QRunnable
diff --git a/tools/qmlscene/main.cpp b/tools/qmlscene/main.cpp
index bc339ae3e5..2a86b724f4 100644
--- a/tools/qmlscene/main.cpp
+++ b/tools/qmlscene/main.cpp
@@ -405,6 +405,9 @@ int main(int argc, char ** argv)
         }
     }
 
+    // QtWebEngine needs a shared context in order for the GPU thread to
+    // upload textures.
+    QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts, options.contextSharing);
 #ifdef QT_WIDGETS_LIB
     QApplication app(argc, argv);
 #else
@@ -443,15 +446,6 @@ int main(int argc, char ** argv)
         displayFileDialog(&options);
 #endif
 
-    // QWebEngine needs a shared context in order for the GPU thread to
-    // upload textures.
-    QScopedPointer<QOpenGLContext> shareContext;
-    if (options.contextSharing) {
-        shareContext.reset(new QOpenGLContext);
-        shareContext->create();
-        qt_gl_set_global_share_context(shareContext.data());
-    }
-
     int exitCode = 0;
 
     if (!options.file.isEmpty()) {