Merge branch '4.6' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.6-integration

* '4.6' of scm.dev.nokia.troll.no:qt/oslo-staging-2: (42 commits)
  QBoxLayout::setGeometry would not respect the widget min/max width
  Revert "QStyleSheetStyle: Fixed some text croped when having padding with native border."
  Use QFile:rename when moving items in QFileystemModel.
  Revert "Add GLfloat[2][2] & GLfloat[3][3] uniform setters to QGLShaderProgram"
  Fix default filter selection when using HideNameFilterDetails option.
  Don't write out fo:word-spacing if its the default value.
  Improved initial startup time for a QGLWidget ontop of EGL/X11.
  Document the QGraphicsView::IndirectPainting flag
  Display broken symlinks in the filesystem model.
  Fix typo in autotest testcase name.
  Fixed a bug with distribution of spans.
  Make unit test more robust
  Compile with QT_NO_DOCKWIDGET
  Removed temporary QGLWidget created during QGLWidget/X11 initialization.
  Fix test: The bug is now fixed
  Fix auto-test failure on Windows
  QScript: Lookup the native setter from the prototype
  Implement QScript::QObjectDelegate::getOwnPropertyDescriptor
  fix compilation in GL2 paint engine for Windows
  Move QGLTextureGlyphCache into it's own file
  ...

43 files changed, 1022 insertions, 563 deletions

diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSObject.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSObject.cpp
index d7f5344..01f74ac 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSObject.cpp
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSObject.cpp
@@ -115,9 +115,17 @@ void JSObject::put(ExecState* exec, const Identifier& propertyName, JSValue valu
         return;
 
     for (JSObject* obj = this; ; obj = asObject(prototype)) {
+#ifdef QT_BUILD_SCRIPT_LIB
+        PropertyDescriptor descriptor;
+        if (obj->getPropertyDescriptor(exec, propertyName, descriptor)) {
+            JSObject* setterFunc;
+            if ((descriptor.isAccessorDescriptor() && ((setterFunc = asObject(descriptor.setter())), true))
+                || (descriptor.value().isGetterSetter() && ((setterFunc = asGetterSetter(descriptor.value())->setter()), true))) {
+#else
         if (JSValue gs = obj->getDirect(propertyName)) {
             if (gs.isGetterSetter()) {
-                JSObject* setterFunc = asGetterSetter(gs)->setter();        
+                JSObject* setterFunc = asGetterSetter(gs)->setter();
+#endif
                 if (!setterFunc) {
                     throwSetterError(exec);
                     return;
diff --git a/src/gui/dialogs/qfiledialog.cpp b/src/gui/dialogs/qfiledialog.cpp
index 45a410f..3c388de 100644
--- a/src/gui/dialogs/qfiledialog.cpp
+++ b/src/gui/dialogs/qfiledialog.cpp
@@ -669,6 +669,9 @@ void QFileDialog::setOptions(Options options)
     }
     if (changed & HideNameFilterDetails)
         setNameFilters(d->nameFilters);
+
+    if (changed & ShowDirsOnly)
+        setFilter((options & ShowDirsOnly) ? filter() & ~QDir::Files : filter() | QDir::Files);
 }
 
 QFileDialog::Options QFileDialog::options() const
@@ -995,6 +998,24 @@ bool QFileDialog::isNameFilterDetailsVisible() const
 }
 
 
+/*
+    Strip the filters by removing the details, e.g. (*.*).
+*/
+QStringList qt_strip_filters(const QStringList &filters)
+{
+    QStringList strippedFilters;
+    QRegExp r(QString::fromLatin1(qt_file_dialog_filter_reg_exp));
+    for (int i = 0; i < filters.count(); ++i) {
+        QString filterName;
+        int index = r.indexIn(filters[i]);
+        if (index >= 0)
+            filterName = r.cap(1);
+        strippedFilters.append(filterName.simplified());
+    }
+    return strippedFilters;
+}
+
+
 /*!
     \since 4.4
 
@@ -1021,20 +1042,11 @@ void QFileDialog::setNameFilters(const QStringList &filters)
     if (cleanedFilters.isEmpty())
         return;
 
-    if (testOption(HideNameFilterDetails)) {
-        QStringList strippedFilters;
-        QRegExp r(QString::fromLatin1(qt_file_dialog_filter_reg_exp));
-        for (int i = 0; i < cleanedFilters.count(); ++i) {
-            QString filterName;
-            int index = r.indexIn(cleanedFilters[i]);
-            if (index >= 0)
-                filterName = r.cap(1);
-            strippedFilters.append(filterName.simplified());
-        }
-        d->qFileDialogUi->fileTypeCombo->addItems(strippedFilters);
-    } else {
+    if (testOption(HideNameFilterDetails))
+        d->qFileDialogUi->fileTypeCombo->addItems(qt_strip_filters(cleanedFilters));
+    else
         d->qFileDialogUi->fileTypeCombo->addItems(cleanedFilters);
-    }
+
     d->_q_useNameFilter(0);
 }
 
@@ -1085,8 +1097,12 @@ void QFileDialog::selectNameFilter(const QString &filter)
         d->selectNameFilter_sys(filter);
         return;
     }
-
-    int i = d->qFileDialogUi->fileTypeCombo->findText(filter);
+    int i;
+    if (testOption(HideNameFilterDetails)) {
+        i = d->qFileDialogUi->fileTypeCombo->findText(qt_strip_filters(qt_make_filter_list(filter)).first());
+    } else {
+        i = d->qFileDialogUi->fileTypeCombo->findText(filter);
+    }
     if (i >= 0) {
         d->qFileDialogUi->fileTypeCombo->setCurrentIndex(i);
         d->_q_useNameFilter(d->qFileDialogUi->fileTypeCombo->currentIndex());
diff --git a/src/gui/dialogs/qfilesystemmodel.cpp b/src/gui/dialogs/qfilesystemmodel.cpp
index 8e78503..6ec80a9 100644
--- a/src/gui/dialogs/qfilesystemmodel.cpp
+++ b/src/gui/dialogs/qfilesystemmodel.cpp
@@ -1223,8 +1223,7 @@ bool QFileSystemModel::dropMimeData(const QMimeData *data, Qt::DropAction action
     case Qt::MoveAction:
         for (; it != urls.constEnd(); ++it) {
             QString path = (*it).toLocalFile();
-            success = QFile::copy(path, to + QFileInfo(path).fileName())
-                      && QFile::remove(path) && success;
+            success = QFile::rename(path, to + QFileInfo(path).fileName()) && success;
         }
         break;
     default:
@@ -1779,7 +1778,7 @@ void QFileSystemModelPrivate::_q_fileSystemChanged(const QString &path, const QL
             node->fileName = fileName;
         }
 
-        if (info.size() == -1) {
+        if (info.size() == -1 && !info.isSymLink()) {
             removeNode(parentNode, fileName);
             continue;
         }
diff --git a/src/gui/embedded/directfb.pri b/src/gui/embedded/directfb.pri
index 84253b5..bd1d947 100644
--- a/src/gui/embedded/directfb.pri
+++ b/src/gui/embedded/directfb.pri
@@ -14,6 +14,7 @@
 #DEFINES += QT_NO_DIRECTFB_KEYBOARD
 #DEFINES += QT_DIRECTFB_TIMING
 #DEFINES += QT_NO_DIRECTFB_OPAQUE_DETECTION
+#DEFINES += QT_NO_DIRECTFB_STRETCHBLIT
 #DIRECTFB_DRAWINGOPERATIONS=DRAW_RECTS|DRAW_LINES|DRAW_IMAGE|DRAW_PIXMAP|DRAW_TILED_PIXMAP|STROKE_PATH|DRAW_PATH|DRAW_POINTS|DRAW_ELLIPSE|DRAW_POLYGON|DRAW_TEXT|FILL_PATH|FILL_RECT|DRAW_COLORSPANS|DRAW_ROUNDED_RECT
 #DEFINES += \"QT_DIRECTFB_WARN_ON_RASTERFALLBACKS=$$DIRECTFB_DRAWINGOPERATIONS\"
 #DEFINES += \"QT_DIRECTFB_DISABLE_RASTERFALLBACKS=$$DIRECTFB_DRAWINGOPERATIONS\"
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index c80b314..774a6d3 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -5095,6 +5095,10 @@ void QGraphicsScenePrivate::processDirtyItemsRecursive(QGraphicsItem *item, bool
 
     \snippet doc/src/snippets/graphicssceneadditemsnippet.cpp 0
 
+    \obsolete Since Qt 4.6, this function is not called anymore unless
+    the QGraphicsView::IndirectPainting flag is given as an Optimization
+    flag.
+
     \sa drawBackground(), drawForeground()
 */
 void QGraphicsScene::drawItems(QPainter *painter,
diff --git a/src/gui/graphicsview/qgraphicsview.cpp b/src/gui/graphicsview/qgraphicsview.cpp
index 3bb40fb..c8f2c7c 100644
--- a/src/gui/graphicsview/qgraphicsview.cpp
+++ b/src/gui/graphicsview/qgraphicsview.cpp
@@ -217,7 +217,9 @@ static const int QGRAPHICSVIEW_PREALLOC_STYLE_OPTIONS = 503; // largest prime <
     common side effect is that items that do draw with antialiasing can leave
     painting traces behind on the scene as they are moved.
 
-    \omitvalue IndirectPainting
+    \value IndirectPainting Since Qt 4.6, restore the old painting algorithm
+    that calls QGraphicsView::drawItems() and QGraphicsScene::drawItems().
+    To be used only for compatibility with old code.
 */
 
 /*!
@@ -3365,7 +3367,8 @@ void QGraphicsView::paintEvent(QPaintEvent *event)
 #define X11 qt_x11Data
 #endif
                 backgroundPainter.setCompositionMode(QPainter::CompositionMode_Source);
-            drawBackground(&backgroundPainter, exposedSceneRect);
+            QRectF backgroundExposedSceneRect = mapToScene(d->backgroundPixmapExposed.boundingRect()).boundingRect();
+            drawBackground(&backgroundPainter, backgroundExposedSceneRect);
             d->backgroundPixmapExposed = QRegion();
         }
 
@@ -3615,6 +3618,10 @@ void QGraphicsView::drawForeground(QPainter *painter, const QRectF &rect)
 
     The default implementation calls the scene's drawItems() function.
 
+    \obsolete Since Qt 4.6, this function is not called anymore unless
+    the QGraphicsView::IndirectPainting flag is given as an Optimization
+    flag.
+
     \sa drawForeground(), drawBackground(), QGraphicsScene::drawItems()
 */
 void QGraphicsView::drawItems(QPainter *painter, int numItems,
diff --git a/src/gui/graphicsview/qgridlayoutengine.cpp b/src/gui/graphicsview/qgridlayoutengine.cpp
index 9497a2f..1fece7a 100644
--- a/src/gui/graphicsview/qgridlayoutengine.cpp
+++ b/src/gui/graphicsview/qgridlayoutengine.cpp
@@ -182,9 +182,9 @@ void QGridLayoutRowData::distributeMultiCells()
         QVarLengthArray<qreal> newSizes(span);
 
         for (int j = 0; j < NSizes; ++j) {
-            qreal extra = compare(totalBox, box, j);
+            qreal extra = compare(box, totalBox, j);
             if (extra > 0.0) {
-                calculateGeometries(start, end, totalBox.q_sizes(j), dummy.data(), newSizes.data(),
+                calculateGeometries(start, end, box.q_sizes(j), dummy.data(), newSizes.data(),
                                     0, totalBox);
 
                 for (int k = 0; k < span; ++k)
diff --git a/src/gui/image/qpixmap_x11.cpp b/src/gui/image/qpixmap_x11.cpp
index 7008fbd..f3947ff 100644
--- a/src/gui/image/qpixmap_x11.cpp
+++ b/src/gui/image/qpixmap_x11.cpp
@@ -1932,6 +1932,8 @@ QPixmap QX11PixmapData::transformed(const QTransform &transform,
         x11Data->hd = (Qt::HANDLE)XCreatePixmap(X11->display,
                                                 RootWindow(X11->display, xinfo.screen()),
                                                 w, h, d);
+        x11Data->setSerialNumber(++qt_pixmap_serial);
+
 #ifndef QT_NO_XRENDER
         if (X11->use_xrender) {
             XRenderPictFormat *format = x11Data->d == 32
diff --git a/src/gui/kernel/qboxlayout.cpp b/src/gui/kernel/qboxlayout.cpp
index d965933..fd16861 100644
--- a/src/gui/kernel/qboxlayout.cpp
+++ b/src/gui/kernel/qboxlayout.cpp
@@ -830,9 +830,11 @@ void QBoxLayout::setGeometry(const QRect &r)
         if (d->hasHfw && !horz(d->dir)) {
             for (int i = 0; i < n; i++) {
                 QBoxLayoutItem *box = d->list.at(i);
-                if (box->item->hasHeightForWidth())
+                if (box->item->hasHeightForWidth()) {
+                    int width = qBound(box->item->minimumSize().width(), s.width(), box->item->maximumSize().width());
                     a[i].sizeHint = a[i].minimumSize =
-                                    box->item->heightForWidth(s.width());
+                                    box->item->heightForWidth(width);
+                }
             }
         }
 
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 84cf5cc..9bb4486 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -1364,7 +1364,10 @@ static void QT_FASTCALL comp_func_SourceOver(uint *dest, const uint *src, int le
         for (int i = 0; i < length; ++i) {
             PRELOAD_COND2(dest, src)
             uint s = src[i];
-            dest[i] = s + BYTE_MUL(dest[i], qAlpha(~s));
+            if (s >= 0xff000000)
+                dest[i] = s;
+            else if (s != 0)
+                dest[i] = s + BYTE_MUL(dest[i], qAlpha(~s));
         }
     } else {
         for (int i = 0; i < length; ++i) {
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index 8ed126f..fd67f96 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -1329,7 +1329,7 @@ void QPainterPrivate::updateState(QPainterState *newState)
     of composition modes, brushes, clipping, transformation, etc, is
     close to an impossible task because of the number of
     permutations. As a compromise we have selected a subset of the
-    QPainter API and backends, were performance is guaranteed to be as
+    QPainter API and backends, where performance is guaranteed to be as
     good as we can sensibly get it for the given combination of
     hardware and software.
 
diff --git a/src/gui/styles/qstylesheetstyle.cpp b/src/gui/styles/qstylesheetstyle.cpp
index aff3ac0..8b40931 100644
--- a/src/gui/styles/qstylesheetstyle.cpp
+++ b/src/gui/styles/qstylesheetstyle.cpp
@@ -1065,7 +1065,7 @@ QRect QRenderRule::boxRect(const QRect& cr, int flags) const
             r.adjust(-p[LeftEdge], -p[TopEdge], p[RightEdge], p[BottomEdge]);
         }
     }
-    if (hasBorder() && (flags & Border)) {
+    if (!hasNativeBorder() && (flags & Border)) {
         const int *b = border()->borders;
         r.adjust(-b[LeftEdge], -b[TopEdge], b[RightEdge], b[BottomEdge]);
     }
diff --git a/src/gui/text/qtextodfwriter.cpp b/src/gui/text/qtextodfwriter.cpp
index 1bd4dd6..dcc2e7d 100644
--- a/src/gui/text/qtextodfwriter.cpp
+++ b/src/gui/text/qtextodfwriter.cpp
@@ -484,6 +484,10 @@ void QTextOdfWriter::writeBlockFormat(QXmlStreamWriter &writer, QTextBlockFormat
         if (format.pageBreakPolicy() & QTextFormat::PageBreak_AlwaysAfter)
             writer.writeAttribute(foNS, QString::fromLatin1("break-after"), QString::fromLatin1("page"));
     }
+    if (format.hasProperty(QTextFormat::BackgroundBrush)) {
+        QBrush brush = format.background();
+        writer.writeAttribute(foNS, QString::fromLatin1("background-color"), brush.color().name());
+    }
     if (format.hasProperty(QTextFormat::BlockNonBreakableLines))
         writer.writeAttribute(foNS, QString::fromLatin1("keep-together"),
                 format.nonBreakableLines() ? QString::fromLatin1("true") : QString::fromLatin1("false"));
@@ -552,8 +556,8 @@ void QTextOdfWriter::writeCharacterFormat(QXmlStreamWriter &writer, QTextCharFor
     }
     if (format.hasProperty(QTextFormat::FontLetterSpacing))
         writer.writeAttribute(foNS, QString::fromLatin1("letter-spacing"), pixelToPoint(format.fontLetterSpacing()));
-    if (format.hasProperty(QTextFormat::FontWordSpacing))
-        writer.writeAttribute(foNS, QString::fromLatin1("word-spacing"), pixelToPoint(format.fontWordSpacing()));
+    if (format.hasProperty(QTextFormat::FontWordSpacing) && format.fontWordSpacing() != 0)
+            writer.writeAttribute(foNS, QString::fromLatin1("word-spacing"), pixelToPoint(format.fontWordSpacing()));
     if (format.hasProperty(QTextFormat::FontUnderline))
         writer.writeAttribute(styleNS, QString::fromLatin1("text-underline-type"),
                 format.fontUnderline() ? QString::fromLatin1("single") : QString::fromLatin1("none"));
@@ -610,9 +614,12 @@ void QTextOdfWriter::writeCharacterFormat(QXmlStreamWriter &writer, QTextCharFor
     }
     if (format.hasProperty(QTextFormat::ForegroundBrush)) {
         QBrush brush = format.foreground();
-        // TODO
         writer.writeAttribute(foNS, QString::fromLatin1("color"), brush.color().name());
     }
+    if (format.hasProperty(QTextFormat::BackgroundBrush)) {
+        QBrush brush = format.background();
+        writer.writeAttribute(foNS, QString::fromLatin1("background-color"), brush.color().name());
+    }
 
     writer.writeEndElement(); // style
 }
diff --git a/src/gui/widgets/qmainwindow.h b/src/gui/widgets/qmainwindow.h
index 8ee0507..316bbb8 100644
--- a/src/gui/widgets/qmainwindow.h
+++ b/src/gui/widgets/qmainwindow.h
@@ -102,8 +102,10 @@ public:
     Qt::ToolButtonStyle toolButtonStyle() const;
     void setToolButtonStyle(Qt::ToolButtonStyle toolButtonStyle);
 
+#ifndef QT_NO_DOCKWIDGET
     bool isAnimated() const;
     bool isDockNestingEnabled() const;
+#endif
 
 #ifndef QT_NO_TABBAR
     bool documentMode() const;
diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
index d28d5f3..326ea1f 100644
--- a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
+++ b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
@@ -218,6 +218,23 @@ QGLEngineSharedShaders::QGLEngineSharedShaders(const QGLContext* context)
 
 }
 
+QGLEngineSharedShaders::~QGLEngineSharedShaders()
+{
+    QList<QGLEngineShaderProg*>::iterator itr;
+    for (itr = cachedPrograms.begin(); itr != cachedPrograms.end(); ++itr)
+        delete *itr;
+
+    if (blitShaderProg) {
+        delete blitShaderProg;
+        blitShaderProg = 0;
+    }
+
+    if (simpleShaderProg) {
+        delete simpleShaderProg;
+        simpleShaderProg = 0;
+    }
+}
+
 #if defined (QT_DEBUG)
 QByteArray QGLEngineSharedShaders::snippetNameStr(SnippetName name)
 {
@@ -505,7 +522,27 @@ QGLShaderProgram* QGLEngineShaderManager::currentProgram()
     if (currentShaderProg)
         return currentShaderProg->program;
     else
-        return simpleProgram();
+        return sharedShaders->simpleProgram();
+}
+
+void QGLEngineShaderManager::useSimpleProgram()
+{
+    sharedShaders->simpleProgram()->bind();
+    QGLContextPrivate* ctx_d = ctx->d_func();
+    ctx_d->setVertexAttribArrayEnabled(QT_VERTEX_COORDS_ATTR, true);
+    ctx_d->setVertexAttribArrayEnabled(QT_TEXTURE_COORDS_ATTR, false);
+    ctx_d->setVertexAttribArrayEnabled(QT_OPACITY_ATTR, false);
+    shaderProgNeedsChanging = true;
+}
+
+void QGLEngineShaderManager::useBlitProgram()
+{
+    sharedShaders->blitProgram()->bind();
+    QGLContextPrivate* ctx_d = ctx->d_func();
+    ctx_d->setVertexAttribArrayEnabled(QT_VERTEX_COORDS_ATTR, true);
+    ctx_d->setVertexAttribArrayEnabled(QT_TEXTURE_COORDS_ATTR, true);
+    ctx_d->setVertexAttribArrayEnabled(QT_OPACITY_ATTR, false);
+    shaderProgNeedsChanging = true;
 }
 
 QGLShaderProgram* QGLEngineShaderManager::simpleProgram()
@@ -716,6 +753,13 @@ bool QGLEngineShaderManager::useCorrectShaderProg()
             customSrcStage->setUniforms(currentShaderProg->program);
     }
 
+    // Make sure all the vertex attribute arrays the program uses are enabled (and the ones it
+    // doesn't use are disabled)
+    QGLContextPrivate* ctx_d = ctx->d_func();
+    ctx_d->setVertexAttribArrayEnabled(QT_VERTEX_COORDS_ATTR, true);
+    ctx_d->setVertexAttribArrayEnabled(QT_TEXTURE_COORDS_ATTR, currentShaderProg->useTextureCoords);
+    ctx_d->setVertexAttribArrayEnabled(QT_OPACITY_ATTR, currentShaderProg->useOpacityAttribute);
+
     shaderProgNeedsChanging = false;
     return true;
 }
diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager_p.h b/src/opengl/gl2paintengineex/qglengineshadermanager_p.h
index 1ec4cdc..a3464d4 100644
--- a/src/opengl/gl2paintengineex/qglengineshadermanager_p.h
+++ b/src/opengl/gl2paintengineex/qglengineshadermanager_p.h
@@ -344,6 +344,7 @@ public:
 */
 
     QGLEngineSharedShaders(const QGLContext *context);
+    ~QGLEngineSharedShaders();
 
     QGLShaderProgram *simpleProgram() { return simpleShaderProg; }
     QGLShaderProgram *blitProgram() { return blitShaderProg; }
@@ -468,6 +469,9 @@ public:
     void setDirty(); // someone has manually changed the current shader program
     bool useCorrectShaderProg(); // returns true if the shader program needed to be changed
 
+    void useSimpleProgram();
+    void useBlitProgram();
+
     QGLShaderProgram* currentProgram(); // Returns pointer to the shader the manager has chosen
     QGLShaderProgram* simpleProgram(); // Used to draw into e.g. stencil buffers
     QGLShaderProgram* blitProgram(); // Used to blit a texture into the framebuffer
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index d3a9547..5901601 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -75,15 +75,14 @@
 #include <QPaintEngine>
 #include <private/qpainter_p.h>
 #include <private/qfontengine_p.h>
-#include <private/qtextureglyphcache_p.h>
 #include <private/qpixmapdata_gl_p.h>
 #include <private/qdatabuffer_p.h>
 
 #include "qglgradientcache_p.h"
 #include "qglengineshadermanager_p.h"
 #include "qgl2pexvertexarray_p.h"
-
 #include "qtriangulatingstroker_p.h"
+#include "qtextureglyphcache_gl_p.h"
 
 #include <QDebug>
 
@@ -91,254 +90,6 @@ QT_BEGIN_NAMESPACE
 
 //#define QT_GL_NO_SCISSOR_TEST
 
-static const GLuint GL_STENCIL_HIGH_BIT         = 0x80;
-static const GLuint QT_BRUSH_TEXTURE_UNIT       = 0;
-static const GLuint QT_IMAGE_TEXTURE_UNIT       = 0; //Can be the same as brush texture unit
-static const GLuint QT_MASK_TEXTURE_UNIT        = 1;
-static const GLuint QT_BACKGROUND_TEXTURE_UNIT  = 2;
-
-#ifdef Q_WS_WIN
-extern Q_GUI_EXPORT bool qt_cleartype_enabled;
-#endif
-
-class QGLTextureGlyphCache : public QObject, public QTextureGlyphCache
-{
-    Q_OBJECT
-public:
-    QGLTextureGlyphCache(QGLContext *context, QFontEngineGlyphCache::Type type, const QTransform &matrix);
-    ~QGLTextureGlyphCache();
-
-    virtual void createTextureData(int width, int height);
-    virtual void resizeTextureData(int width, int height);
-    virtual void fillTexture(const Coord &c, glyph_t glyph);
-    virtual int glyphMargin() const;
-
-    inline GLuint texture() const { return m_texture; }
-
-    inline int width() const { return m_width; }
-    inline int height() const { return m_height; }
-
-    inline void setPaintEnginePrivate(QGL2PaintEngineExPrivate *p) { pex = p; }
-
-
-public Q_SLOTS:
-    void contextDestroyed(const QGLContext *context) {
-        if (context == ctx) {
-            QList<const QGLContext *> shares = qgl_share_reg()->shares(ctx);
-            if (shares.isEmpty()) {
-                glDeleteFramebuffers(1, &m_fbo);
-                if (m_width || m_height)
-                    glDeleteTextures(1, &m_texture);
-                ctx = 0;
-            } else {
-                // since the context holding the texture is shared, and
-                // about to be destroyed, we have to transfer ownership
-                // of the texture to one of the share contexts
-                ctx = const_cast<QGLContext *>((ctx == shares.at(0)) ? shares.at(1) : shares.at(0));
-            }
-        }
-    }
-
-private:
-    QGLContext *ctx;
-
-    QGL2PaintEngineExPrivate *pex;
-
-    GLuint m_texture;
-    GLuint m_fbo;
-
-    int m_width;
-    int m_height;
-
-    QGLShaderProgram *m_program;
-};
-
-QGLTextureGlyphCache::QGLTextureGlyphCache(QGLContext *context, QFontEngineGlyphCache::Type type, const QTransform &matrix)
-    : QTextureGlyphCache(type, matrix)
-    , ctx(context)
-    , m_width(0)
-    , m_height(0)
-{
-    glGenFramebuffers(1, &m_fbo);
-    connect(QGLSignalProxy::instance(), SIGNAL(aboutToDestroyContext(const QGLContext*)),
-            SLOT(contextDestroyed(const QGLContext*)));
-}
-
-QGLTextureGlyphCache::~QGLTextureGlyphCache()
-{
-    if (ctx) {
-        QGLShareContextScope scope(ctx);
-        glDeleteFramebuffers(1, &m_fbo);
-
-        if (m_width || m_height)
-            glDeleteTextures(1, &m_texture);
-    }
-}
-
-void QGLTextureGlyphCache::createTextureData(int width, int height)
-{
-    glGenTextures(1, &m_texture);
-    glBindTexture(GL_TEXTURE_2D, m_texture);
-
-    m_width = width;
-    m_height = height;
-
-    QVarLengthArray<uchar> data(width * height);
-    for (int i = 0; i < data.size(); ++i)
-        data[i] = 0;
-
-    if (m_type == QFontEngineGlyphCache::Raster_RGBMask)
-        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, &data[0]);
-    else
-        glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, width, height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, &data[0]);
-
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-}
-
-void QGLTextureGlyphCache::resizeTextureData(int width, int height)
-{
-    // ### the QTextureGlyphCache API needs to be reworked to allow
-    // ### resizeTextureData to fail
-
-    int oldWidth = m_width;
-    int oldHeight = m_height;
-
-    GLuint oldTexture = m_texture;
-    createTextureData(width, height);
-
-    glBindFramebuffer(GL_FRAMEBUFFER_EXT, m_fbo);
-
-    GLuint tmp_texture;
-    glGenTextures(1, &tmp_texture);
-    glBindTexture(GL_TEXTURE_2D, tmp_texture);
-    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, oldWidth, oldHeight, 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);
-    glFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
-                           GL_TEXTURE_2D, tmp_texture, 0);
-
-    glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT);
-    glBindTexture(GL_TEXTURE_2D, oldTexture);
-
-    pex->transferMode(BrushDrawingMode);
-
-#ifndef QT_OPENGL_ES_2
-    if (pex->inRenderText)
-        glPushAttrib(GL_ENABLE_BIT | GL_VIEWPORT_BIT | GL_SCISSOR_BIT);
-#endif
-
-    glDisable(GL_STENCIL_TEST);
-    glDisable(GL_DEPTH_TEST);
-    glDisable(GL_SCISSOR_TEST);
-    glDisable(GL_BLEND);
-
-    glViewport(0, 0, oldWidth, oldHeight);
-
-    float vertexCoordinateArray[] = { -1, -1, 1, -1, 1, 1, -1, 1 };
-    float textureCoordinateArray[] = { 0, 0, 1, 0, 1, 1, 0, 1 };
-
-    glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
-    glEnableVertexAttribArray(QT_TEXTURE_COORDS_ATTR);
-
-    glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray);
-    glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray);
-
-    pex->shaderManager->blitProgram()->bind();
-    pex->shaderManager->blitProgram()->setUniformValue("imageTexture", QT_IMAGE_TEXTURE_UNIT);
-    pex->shaderManager->setDirty();
-
-    glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
-    glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
-    glDisableVertexAttribArray(QT_TEXTURE_COORDS_ATTR);
-
-    glBindTexture(GL_TEXTURE_2D, m_texture);
-
-#ifdef QT_OPENGL_ES_2
-    QDataBuffer<uchar> buffer(4*oldWidth*oldHeight);
-    buffer.resize(4*oldWidth*oldHeight);
-    glReadPixels(0, 0, oldWidth, oldHeight, GL_RGBA, GL_UNSIGNED_BYTE, buffer.data());
-
-    // do an in-place conversion from GL_RGBA to GL_ALPHA
-    for (int i=0; i<oldWidth*oldHeight; ++i)
-        buffer.data()[i] = buffer.at(4*i + 3);
-
-    glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, oldWidth, oldHeight,
-                    GL_ALPHA, GL_UNSIGNED_BYTE, buffer.data());
-#else
-    glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, oldWidth, oldHeight);
-#endif
-
-    glFramebufferRenderbuffer(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
-                              GL_RENDERBUFFER_EXT, 0);
-    glDeleteTextures(1, &tmp_texture);
-    glDeleteTextures(1, &oldTexture);
-
-    glBindFramebuffer(GL_FRAMEBUFFER_EXT, ctx->d_ptr->current_fbo);
-
-    glViewport(0, 0, pex->width, pex->height);
-    pex->updateClipScissorTest();
-
-#ifndef QT_OPENGL_ES_2
-    if (pex->inRenderText)
-        glPopAttrib();
-#endif
-}
-
-void QGLTextureGlyphCache::fillTexture(const Coord &c, glyph_t glyph)
-{
-    QImage mask = textureMapForGlyph(glyph);
-    const int maskWidth = mask.width();
-    const int maskHeight = mask.height();
-
-    if (mask.format() == QImage::Format_Mono) {
-        mask = mask.convertToFormat(QImage::Format_Indexed8);
-        for (int y = 0; y < maskHeight; ++y) {
-            uchar *src = (uchar *) mask.scanLine(y);
-            for (int x = 0; x < maskWidth; ++x)
-                src[x] = -src[x]; // convert 0 and 1 into 0 and 255
-        }
-     }
-
-
-    glBindTexture(GL_TEXTURE_2D, m_texture);
-    if (mask.format() == QImage::Format_RGB32) {
-        glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y, maskWidth, maskHeight, GL_BGRA, GL_UNSIGNED_BYTE, mask.bits());
-    } else {
-#ifdef QT_OPENGL_ES2
-        glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y, maskWidth, maskHeight, GL_ALPHA, GL_UNSIGNED_BYTE, mask.bits());
-#else
-        // glTexSubImage2D() might cause some garbage to appear in the texture if the mask width is
-        // not a multiple of four bytes. The bug appeared on a computer with 32-bit Windows Vista
-        // and nVidia GeForce 8500GT. GL_UNPACK_ALIGNMENT is set to four bytes, 'mask' has a
-        // multiple of four bytes per line, and most of the glyph shows up correctly in the
-        // texture, which makes me think that this is a driver bug.
-        // One workaround is to make sure the mask width is a multiple of four bytes, for instance
-        // by converting it to a format with four bytes per pixel. Another is to copy one line at a
-        // time.
-
-        for (int i = 0; i < maskHeight; ++i)
-            glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y + i, maskWidth, 1, GL_ALPHA, GL_UNSIGNED_BYTE, mask.scanLine(i));
-#endif
-    }
-}
-
-int QGLTextureGlyphCache::glyphMargin() const
-{
-#if defined(Q_WS_MAC)
-    return 2;
-#elif defined (Q_WS_X11)
-    return 0;
-#else
-    return m_type == QFontEngineGlyphCache::Raster_RGBMask ? 2 : 0;
-#endif
-}
-
 extern QImage qt_imageForBrush(int brushStyle, bool invert);
 
 ////////////////////////////////// Private Methods //////////////////////////////////////////
@@ -413,14 +164,14 @@ void QGL2PaintEngineExPrivate::setBrush(const QBrush& brush)
 
 void QGL2PaintEngineExPrivate::useSimpleShader()
 {
-    shaderManager->simpleProgram()->bind();
-    shaderManager->setDirty();
+    shaderManager->useSimpleProgram();
 
     if (matrixDirty)
         updateMatrix();
 
     if (simpleShaderMatrixUniformDirty) {
-        shaderManager->simpleProgram()->setUniformValue("pmvMatrix", pmvMatrix);
+        const GLuint location = shaderManager->simpleProgram()->uniformLocation("pmvMatrix");
+        glUniformMatrix3fv(location, 1, GL_FALSE, (GLfloat*)pmvMatrix);
         simpleShaderMatrixUniformDirty = false;
     }
 }
@@ -607,19 +358,28 @@ void QGL2PaintEngineExPrivate::updateMatrix()
 
     const GLfloat wfactor = 2.0f / width;
     const GLfloat hfactor = -2.0f / height;
+    GLfloat dx = transform.dx();
+    GLfloat dy = transform.dy();
+
+    // Non-integer translates can have strange effects for some rendering operations such as
+    // anti-aliased text rendering. In such cases, we snap the translate to the pixel grid.
+    if (snapToPixelGrid && transform.type() == QTransform::TxTranslate) {
+        // 0.50 needs to rounded down to 0.0 for consistency with raster engine:
+        dx = ceilf(dx - 0.5f);
+        dy = ceilf(dy - 0.5f);
+    }
 
     if (addOffset) {
-        pmvMatrix[2][0] = (wfactor * (transform.dx() + 0.49f)) - transform.m33();
-        pmvMatrix[2][1] = (hfactor * (transform.dy() + 0.49f)) + transform.m33();
-    } else {
-        pmvMatrix[2][0] = (wfactor * transform.dx()) - transform.m33();
-        pmvMatrix[2][1] = (hfactor * transform.dy()) + transform.m33();
+        dx += 0.49f;
+        dy += 0.49f;
     }
 
     pmvMatrix[0][0] = (wfactor * transform.m11())  - transform.m13();
     pmvMatrix[1][0] = (wfactor * transform.m21())  - transform.m23();
+    pmvMatrix[2][0] = (wfactor * dx) - transform.m33();
     pmvMatrix[0][1] = (hfactor * transform.m12())  + transform.m13();
     pmvMatrix[1][1] = (hfactor * transform.m22())  + transform.m23();
+    pmvMatrix[2][1] = (hfactor * dy) + transform.m33();
     pmvMatrix[0][2] = transform.m13();
     pmvMatrix[1][2] = transform.m23();
     pmvMatrix[2][2] = transform.m33();
@@ -717,6 +477,11 @@ void QGL2PaintEngineExPrivate::drawTexture(const QGLRect& dest, const QGLRect& s
         matrixDirty = true;
     }
 
+    if (snapToPixelGrid) {
+        snapToPixelGrid = false;
+        matrixDirty = true;
+    }
+
     if (prepareForDraw(opaque))
         shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::ImageTexture), QT_IMAGE_TEXTURE_UNIT);
 
@@ -745,6 +510,10 @@ void QGL2PaintEngineEx::beginNativePainting()
     QGLContext *ctx = d->ctx;
     glUseProgram(0);
 
+    // Disable all the vertex attribute arrays:
+    for (int i = 0; i < QT_GL_VERTEX_ARRAY_TRACKED_COUNT; ++i)
+        glDisableVertexAttribArray(i);
+
 #ifndef QT_OPENGL_ES_2
     // be nice to people who mix OpenGL 1.x code with QPainter commands
     // by setting modelview and projection matrices to mirror the GL 1
@@ -804,34 +573,20 @@ void QGL2PaintEngineExPrivate::transferMode(EngineMode newMode)
         return;
 
     if (mode == TextDrawingMode || mode == ImageDrawingMode || mode == ImageArrayDrawingMode) {
-        glDisableVertexAttribArray(QT_TEXTURE_COORDS_ATTR);
-        glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
-        glDisableVertexAttribArray(QT_OPACITY_ATTR);
-
         lastTextureUsed = GLuint(-1);
     }
 
     if (newMode == TextDrawingMode) {
-        glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
-        glEnableVertexAttribArray(QT_TEXTURE_COORDS_ATTR);
-
         glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray.data());
         glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray.data());
     }
 
     if (newMode == ImageDrawingMode) {
-        glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
-        glEnableVertexAttribArray(QT_TEXTURE_COORDS_ATTR);
-
         glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, staticVertexCoordinateArray);
         glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, staticTextureCoordinateArray);
     }
 
     if (newMode == ImageArrayDrawingMode) {
-        glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
-        glEnableVertexAttribArray(QT_TEXTURE_COORDS_ATTR);
-        glEnableVertexAttribArray(QT_OPACITY_ATTR);
-
         glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray.data());
         glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray.data());
         glVertexAttribPointer(QT_OPACITY_ATTR, 1, GL_FLOAT, GL_FALSE, 0, opacityArray.data());
@@ -884,6 +639,11 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
         matrixDirty = true;
     }
 
+    if (snapToPixelGrid) {
+        snapToPixelGrid = false;
+        matrixDirty = true;
+    }
+
     // Might need to call updateMatrix to re-calculate inverseScale
     if (matrixDirty)
         updateMatrix();
@@ -942,7 +702,6 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
             }
 
             prepareForDraw(currentBrush.isOpaque());
-            glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
 #ifdef QT_OPENGL_CACHE_AS_VBOS
             glBindBuffer(GL_ARRAY_BUFFER, cache->vbo);
             glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, false, 0, 0);
@@ -984,20 +743,11 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
             // Pass when high bit is set, replace stencil value with 0
             glStencilFunc(GL_NOTEQUAL, 0, GL_STENCIL_HIGH_BIT);
         }
-
         prepareForDraw(currentBrush.isOpaque());
 
-        if (inRenderText)
-            prepareDepthRangeForRenderText();
-
         // Stencil the brush onto the dest buffer
         composite(vertexCoordinateArray.boundingRect());
-
-        if (inRenderText)
-            restoreDepthRangeForRenderText();
-
         glStencilMask(0);
-
         updateClipScissorTest();
     }
 }
@@ -1036,13 +786,6 @@ void QGL2PaintEngineExPrivate::fillStencilWithVertexArray(const float *data,
     useSimpleShader();
     glEnable(GL_STENCIL_TEST); // For some reason, this has to happen _after_ the simple shader is use()'d
 
-#ifndef QT_OPENGL_ES_2
-    if (inRenderText) {
-        glPushAttrib(GL_ENABLE_BIT);
-        glDisable(GL_DEPTH_TEST);
-    }
-#endif
-
     if (mode == WindingFillMode) {
         Q_ASSERT(stops && !count);
         if (q->state()->clipTestEnabled) {
@@ -1083,10 +826,8 @@ void QGL2PaintEngineExPrivate::fillStencilWithVertexArray(const float *data,
         glStencilMask(GL_STENCIL_HIGH_BIT);
 #if 0
         glStencilOp(GL_KEEP, GL_KEEP, GL_INVERT); // Simply invert the stencil bit
-        glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
         glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, data);
         glDrawArrays(GL_TRIANGLE_STRIP, 0, count);
-        glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
 #else
 
         glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
@@ -1096,21 +837,13 @@ void QGL2PaintEngineExPrivate::fillStencilWithVertexArray(const float *data,
         } else {
             glStencilFunc(GL_ALWAYS, GL_STENCIL_HIGH_BIT, 0xff);
         }
-        glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
         glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, data);
         glDrawArrays(GL_TRIANGLE_STRIP, 0, count);
-        glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
 #endif
     }
 
     // Enable color writes & disable stencil writes
     glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
-
-#ifndef QT_OPENGL_ES_2
-    if (inRenderText)
-        glPopAttrib();
-#endif
-
 }
 
 /*
@@ -1204,7 +937,7 @@ bool QGL2PaintEngineExPrivate::prepareForDraw(bool srcPixelsAreOpaque)
         updateBrushUniforms();
 
     if (shaderMatrixUniformDirty) {
-        shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::PmvMatrix), pmvMatrix);
+        glUniformMatrix3fv(location(QGLEngineShaderManager::PmvMatrix), 1, GL_FALSE, (GLfloat*)pmvMatrix);
         shaderMatrixUniformDirty = false;
     }
 
@@ -1226,12 +959,8 @@ void QGL2PaintEngineExPrivate::composite(const QGLRect& boundingRect)
         boundingRect.right, boundingRect.top
     };
 
-    glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
     glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, rectVerts);
-
     glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
-    glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
 }
 
 // Draws the vertex array as a set of <vertexArrayStops.size()> triangle fans.
@@ -1239,7 +968,6 @@ void QGL2PaintEngineExPrivate::drawVertexArrays(const float *data, int *stops, i
                                                 GLenum primitive)
 {
     // Now setup the pointer to the vertex array:
-    glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
     glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, data);
 
     int previousStop = 0;
@@ -1253,31 +981,6 @@ void QGL2PaintEngineExPrivate::drawVertexArrays(const float *data, int *stops, i
         glDrawArrays(primitive, previousStop, stop - previousStop);
         previousStop = stop;
     }
-    glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
-}
-
-void QGL2PaintEngineExPrivate::prepareDepthRangeForRenderText()
-{
-#ifndef QT_OPENGL_ES_2
-    // Get the z translation value from the model view matrix and
-    // transform it using the ortogonal projection with z-near = 0,
-    // and z-far = 1, which is used in QGLWidget::renderText()
-    GLdouble model[4][4];
-    glGetDoublev(GL_MODELVIEW_MATRIX, &model[0][0]);
-    float deviceZ = -2 * model[3][2] - 1;
-
-    glGetFloatv(GL_DEPTH_RANGE, depthRange);
-    float windowZ = depthRange[0] + (deviceZ + 1) * 0.5 * (depthRange[1] - depthRange[0]);
-
-    glDepthRange(windowZ, windowZ);
-#endif
-}
-
-void QGL2PaintEngineExPrivate::restoreDepthRangeForRenderText()
-{
-#ifndef QT_OPENGL_ES_2
-    glDepthRange(depthRange[0], depthRange[1]);
-#endif
 }
 
 /////////////////////////////////// Public Methods //////////////////////////////////////////
@@ -1297,10 +1000,7 @@ void QGL2PaintEngineEx::fill(const QVectorPath &path, const QBrush &brush)
 
     if (qbrush_style(brush) == Qt::NoBrush)
         return;
-
-    if (!d->inRenderText)
-        ensureActive();
-
+    ensureActive();
     d->setBrush(brush);
     d->fill(path);
 }
@@ -1337,6 +1037,11 @@ void QGL2PaintEngineExPrivate::stroke(const QVectorPath &path, const QPen &pen)
         matrixDirty = true;
     }
 
+    if (snapToPixelGrid) {
+        snapToPixelGrid = false;
+        matrixDirty = true;
+    }
+
     const Qt::PenStyle penStyle = qpen_style(pen);
     const QBrush &penBrush = qpen_brush(pen);
     const bool opaque = penBrush.isOpaque() && s->opacity > 0.99;
@@ -1362,7 +1067,6 @@ void QGL2PaintEngineExPrivate::stroke(const QVectorPath &path, const QPen &pen)
 
     if (opaque) {
         prepareForDraw(opaque);
-        glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
         glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, false, 0, stroker.vertices());
         glDrawArrays(GL_TRIANGLE_STRIP, 0, stroker.vertexCount() / 2);
 
@@ -1371,8 +1075,6 @@ void QGL2PaintEngineExPrivate::stroke(const QVectorPath &path, const QPen &pen)
 //         d->prepareForDraw(true);
 //         glDrawArrays(GL_LINE_STRIP, 0, d->stroker.vertexCount() / 2);
 
-        glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
-
     } else {
         qreal width = qpen_widthf(pen) / 2;
         if (width == 0)
@@ -1518,8 +1220,7 @@ void QGL2PaintEngineEx::drawTextItem(const QPointF &p, const QTextItem &textItem
 {
     Q_D(QGL2PaintEngineEx);
 
-    if (!d->inRenderText)
-        ensureActive();
+    ensureActive();
     QOpenGL2PaintEngineState *s = state();
 
     const QTextItemInt &ti = static_cast<const QTextItemInt &>(textItem);
@@ -1538,7 +1239,7 @@ void QGL2PaintEngineEx::drawTextItem(const QPointF &p, const QTextItem &textItem
                                             ? QFontEngineGlyphCache::Type(ti.fontEngine->glyphFormat)
                                             : d->glyphCacheType;
 
-    if (d->inRenderText || txtype > QTransform::TxTranslate)
+    if (txtype > QTransform::TxTranslate)
         glyphType = QFontEngineGlyphCache::Raster_A8;
 
     if (glyphType == QFontEngineGlyphCache::Raster_RGBMask
@@ -1580,8 +1281,6 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly
     if (cache->width() == 0 || cache->height() == 0)
         return;
 
-    if (inRenderText)
-        transferMode(BrushDrawingMode);
     transferMode(TextDrawingMode);
 
     int margin = cache->glyphMargin();
@@ -1613,13 +1312,14 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly
         addOffset = false;
         matrixDirty = true;
     }
+    if (!snapToPixelGrid) {
+        snapToPixelGrid = true;
+        matrixDirty = true;
+    }
 
     QBrush pensBrush = q->state()->pen.brush();
     setBrush(pensBrush);
 
-    if (inRenderText)
-        prepareDepthRangeForRenderText();
-
     if (glyphType == QFontEngineGlyphCache::Raster_RGBMask) {
 
         // Subpixel antialiasing without gamma correction
@@ -1704,9 +1404,6 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly
 
     shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::MaskTexture), QT_MASK_TEXTURE_UNIT);
     glDrawArrays(GL_TRIANGLES, 0, 6 * glyphs.size());
-
-    if (inRenderText)
-        restoreDepthRangeForRenderText();
 }
 
 void QGL2PaintEngineEx::drawPixmaps(const QDrawPixmaps::Data *drawingData, int dataCount, const QPixmap &pixmap, QDrawPixmaps::DrawingHints hints)
@@ -1737,6 +1434,11 @@ void QGL2PaintEngineExPrivate::drawPixmaps(const QDrawPixmaps::Data *drawingData
         matrixDirty = true;
     }
 
+    if (snapToPixelGrid) {
+        snapToPixelGrid = false;
+        matrixDirty = true;
+    }
+
     bool allOpaque = true;
 
     for (int i = 0; i < dataCount; ++i) {
@@ -1854,11 +1556,9 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
 
     d->shaderManager = new QGLEngineShaderManager(d->ctx);
 
-    if (!d->inRenderText) {
-        glDisable(GL_STENCIL_TEST);
-        glDisable(GL_DEPTH_TEST);
-        glDisable(GL_SCISSOR_TEST);
-    }
+    glDisable(GL_STENCIL_TEST);
+    glDisable(GL_DEPTH_TEST);
+    glDisable(GL_SCISSOR_TEST);
 
 #if !defined(QT_OPENGL_ES_2)
     glDisable(GL_MULTISAMPLE);
@@ -1868,6 +1568,7 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
 
 #if !defined(QT_OPENGL_ES_2)
 #if defined(Q_WS_WIN)
+    extern Q_GUI_EXPORT bool qt_cleartype_enabled;
     if (qt_cleartype_enabled)
 #endif
         d->glyphCacheType = QFontEngineGlyphCache::Raster_RGBMask;
@@ -1935,6 +1636,7 @@ void QGL2PaintEngineEx::ensureActive()
         glViewport(0, 0, d->width, d->height);
         d->needsSync = false;
         d->shaderManager->setDirty();
+        d->ctx->d_func()->syncGlState();
         setState(state());
     }
 }
@@ -2019,6 +1721,10 @@ void QGL2PaintEngineExPrivate::writeClip(const QVectorPath &path, uint value)
         addOffset = false;
         matrixDirty = true;
     }
+    if (snapToPixelGrid) {
+        snapToPixelGrid = false;
+        matrixDirty = true;
+    }
 
     if (matrixDirty)
         updateMatrix();
@@ -2298,12 +2004,6 @@ QPainterState *QGL2PaintEngineEx::createState(QPainterState *orig) const
     return s;
 }
 
-void QGL2PaintEngineEx::setRenderTextActive(bool active)
-{
-    Q_D(QGL2PaintEngineEx);
-    d->inRenderText = active;
-}
-
 QOpenGL2PaintEngineState::QOpenGL2PaintEngineState(QOpenGL2PaintEngineState &other)
     : QPainterState(other)
 {
@@ -2328,5 +2028,3 @@ QOpenGL2PaintEngineState::~QOpenGL2PaintEngineState()
 }
 
 QT_END_NAMESPACE
-
-#include "qpaintengineex_opengl2.moc"
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
index c94c4f4..eaae187 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
@@ -73,6 +73,12 @@ enum EngineMode {
 
 QT_BEGIN_NAMESPACE
 
+#define GL_STENCIL_HIGH_BIT         GLuint(0x80)
+#define QT_BRUSH_TEXTURE_UNIT       GLuint(0)
+#define QT_IMAGE_TEXTURE_UNIT       GLuint(0) //Can be the same as brush texture unit
+#define QT_MASK_TEXTURE_UNIT        GLuint(1)
+#define QT_BACKGROUND_TEXTURE_UNIT  GLuint(2)
+
 class QGL2PaintEngineExPrivate;
 
 
@@ -167,9 +173,9 @@ public:
             width(0), height(0),
             ctx(0),
             useSystemClip(true),
+            snapToPixelGrid(false),
             addOffset(false),
-            inverseScale(1),
-            inRenderText(false)
+            inverseScale(1)
     { }
 
     ~QGL2PaintEngineExPrivate();
@@ -215,10 +221,6 @@ public:
         return shaderManager->getUniformLocation(uniform);
     }
 
-
-    void prepareDepthRangeForRenderText();
-    void restoreDepthRangeForRenderText();
-
     void clearClip(uint value);
     void writeClip(const QVectorPath &path, uint value);
     void resetClipIfNeeded();
@@ -228,7 +230,6 @@ public:
     void regenerateClip();
     void systemStateChanged();
 
-
     static QGLEngineShaderManager* shaderManagerForEngine(QGL2PaintEngineEx *engine) { return engine->d_func()->shaderManager; }
     static QGL2PaintEngineExPrivate *getData(QGL2PaintEngineEx *engine) { return engine->d_func(); }
     static void cleanupVectorPath(QPaintEngineEx *engine, void *data);
@@ -266,6 +267,7 @@ public:
     GLfloat staticVertexCoordinateArray[8];
     GLfloat staticTextureCoordinateArray[8];
 
+    bool snapToPixelGrid;
     bool addOffset; // When enabled, adds a 0.49,0.49 offset to matrix in updateMatrix
     GLfloat pmvMatrix[3][3];
     GLfloat inverseScale;
@@ -273,7 +275,6 @@ public:
     GLuint lastTextureUsed;
 
     bool needsSync;
-    bool inRenderText;
     bool multisamplingAlwaysEnabled;
 
     GLfloat depthRange[2];
diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
new file mode 100644
index 0000000..047876f
--- /dev/null
+++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp
@@ -0,0 +1,216 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenGL module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtextureglyphcache_gl_p.h"
+#include "qpaintengineex_opengl2_p.h"
+
+#ifdef Q_WS_WIN
+extern Q_GUI_EXPORT bool qt_cleartype_enabled;
+#endif
+
+QGLTextureGlyphCache::QGLTextureGlyphCache(QGLContext *context, QFontEngineGlyphCache::Type type, const QTransform &matrix)
+    : QTextureGlyphCache(type, matrix)
+    , ctx(context)
+    , m_width(0)
+    , m_height(0)
+{
+    glGenFramebuffers(1, &m_fbo);
+    connect(QGLSignalProxy::instance(), SIGNAL(aboutToDestroyContext(const QGLContext*)),
+            SLOT(contextDestroyed(const QGLContext*)));
+}
+
+QGLTextureGlyphCache::~QGLTextureGlyphCache()
+{
+    if (ctx) {
+        QGLShareContextScope scope(ctx);
+        glDeleteFramebuffers(1, &m_fbo);
+
+        if (m_width || m_height)
+            glDeleteTextures(1, &m_texture);
+    }
+}
+
+void QGLTextureGlyphCache::createTextureData(int width, int height)
+{
+    glGenTextures(1, &m_texture);
+    glBindTexture(GL_TEXTURE_2D, m_texture);
+
+    m_width = width;
+    m_height = height;
+
+    QVarLengthArray<uchar> data(width * height);
+    for (int i = 0; i < data.size(); ++i)
+        data[i] = 0;
+
+    if (m_type == QFontEngineGlyphCache::Raster_RGBMask)
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, &data[0]);
+    else
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, width, height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, &data[0]);
+
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+}
+
+void QGLTextureGlyphCache::resizeTextureData(int width, int height)
+{
+    // ### the QTextureGlyphCache API needs to be reworked to allow
+    // ### resizeTextureData to fail
+
+    int oldWidth = m_width;
+    int oldHeight = m_height;
+
+    GLuint oldTexture = m_texture;
+    createTextureData(width, height);
+
+    glBindFramebuffer(GL_FRAMEBUFFER_EXT, m_fbo);
+
+    GLuint tmp_texture;
+    glGenTextures(1, &tmp_texture);
+    glBindTexture(GL_TEXTURE_2D, tmp_texture);
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, oldWidth, oldHeight, 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);
+    glFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+                           GL_TEXTURE_2D, tmp_texture, 0);
+
+    glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT);
+    glBindTexture(GL_TEXTURE_2D, oldTexture);
+
+    pex->transferMode(BrushDrawingMode);
+
+    glDisable(GL_STENCIL_TEST);
+    glDisable(GL_DEPTH_TEST);
+    glDisable(GL_SCISSOR_TEST);
+    glDisable(GL_BLEND);
+
+    glViewport(0, 0, oldWidth, oldHeight);
+
+    float vertexCoordinateArray[] = { -1, -1, 1, -1, 1, 1, -1, 1 };
+    float textureCoordinateArray[] = { 0, 0, 1, 0, 1, 1, 0, 1 };
+
+    glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray);
+    glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray);
+
+    pex->shaderManager->useBlitProgram();
+    pex->shaderManager->blitProgram()->setUniformValue("imageTexture", QT_IMAGE_TEXTURE_UNIT);
+
+    glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+
+    glBindTexture(GL_TEXTURE_2D, m_texture);
+
+#ifdef QT_OPENGL_ES_2
+    QDataBuffer<uchar> buffer(4*oldWidth*oldHeight);
+    buffer.resize(4*oldWidth*oldHeight);
+    glReadPixels(0, 0, oldWidth, oldHeight, GL_RGBA, GL_UNSIGNED_BYTE, buffer.data());
+
+    // do an in-place conversion from GL_RGBA to GL_ALPHA
+    for (int i=0; i<oldWidth*oldHeight; ++i)
+        buffer.data()[i] = buffer.at(4*i + 3);
+
+    glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, oldWidth, oldHeight,
+                    GL_ALPHA, GL_UNSIGNED_BYTE, buffer.data());
+#else
+    glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, oldWidth, oldHeight);
+#endif
+
+    glFramebufferRenderbuffer(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+                              GL_RENDERBUFFER_EXT, 0);
+    glDeleteTextures(1, &tmp_texture);
+    glDeleteTextures(1, &oldTexture);
+
+    glBindFramebuffer(GL_FRAMEBUFFER_EXT, ctx->d_ptr->current_fbo);
+
+    glViewport(0, 0, pex->width, pex->height);
+    pex->updateClipScissorTest();
+}
+
+void QGLTextureGlyphCache::fillTexture(const Coord &c, glyph_t glyph)
+{
+    QImage mask = textureMapForGlyph(glyph);
+    const int maskWidth = mask.width();
+    const int maskHeight = mask.height();
+
+    if (mask.format() == QImage::Format_Mono) {
+        mask = mask.convertToFormat(QImage::Format_Indexed8);
+        for (int y = 0; y < maskHeight; ++y) {
+            uchar *src = (uchar *) mask.scanLine(y);
+            for (int x = 0; x < maskWidth; ++x)
+                src[x] = -src[x]; // convert 0 and 1 into 0 and 255
+        }
+     }
+
+
+    glBindTexture(GL_TEXTURE_2D, m_texture);
+    if (mask.format() == QImage::Format_RGB32) {
+        glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y, maskWidth, maskHeight, GL_BGRA, GL_UNSIGNED_BYTE, mask.bits());
+    } else {
+#ifdef QT_OPENGL_ES2
+        glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y, maskWidth, maskHeight, GL_ALPHA, GL_UNSIGNED_BYTE, mask.bits());
+#else
+        // glTexSubImage2D() might cause some garbage to appear in the texture if the mask width is
+        // not a multiple of four bytes. The bug appeared on a computer with 32-bit Windows Vista
+        // and nVidia GeForce 8500GT. GL_UNPACK_ALIGNMENT is set to four bytes, 'mask' has a
+        // multiple of four bytes per line, and most of the glyph shows up correctly in the
+        // texture, which makes me think that this is a driver bug.
+        // One workaround is to make sure the mask width is a multiple of four bytes, for instance
+        // by converting it to a format with four bytes per pixel. Another is to copy one line at a
+        // time.
+
+        for (int i = 0; i < maskHeight; ++i)
+            glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y + i, maskWidth, 1, GL_ALPHA, GL_UNSIGNED_BYTE, mask.scanLine(i));
+#endif
+    }
+}
+
+int QGLTextureGlyphCache::glyphMargin() const
+{
+#if defined(Q_WS_MAC)
+    return 2;
+#elif defined (Q_WS_X11)
+    return 0;
+#else
+    return m_type == QFontEngineGlyphCache::Raster_RGBMask ? 2 : 0;
+#endif
+}
diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h b/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
new file mode 100644
index 0000000..393893c
--- /dev/null
+++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
@@ -0,0 +1,123 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenGL module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTEXTUREGLYPHCACHE_GL_P_H
+#define QTEXTUREGLYPHCACHE_GL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QLibrary class.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <private/qtextureglyphcache_p.h>
+#include <private/qgl_p.h>
+#include <qglshaderprogram.h>
+
+
+QT_BEGIN_NAMESPACE
+
+class QGL2PaintEngineExPrivate;
+
+class QGLTextureGlyphCache : public QObject, public QTextureGlyphCache
+{
+    Q_OBJECT
+public:
+    QGLTextureGlyphCache(QGLContext *context, QFontEngineGlyphCache::Type type, const QTransform &matrix);
+    ~QGLTextureGlyphCache();
+
+    virtual void createTextureData(int width, int height);
+    virtual void resizeTextureData(int width, int height);
+    virtual void fillTexture(const Coord &c, glyph_t glyph);
+    virtual int glyphMargin() const;
+
+    inline GLuint texture() const { return m_texture; }
+
+    inline int width() const { return m_width; }
+    inline int height() const { return m_height; }
+
+    inline void setPaintEnginePrivate(QGL2PaintEngineExPrivate *p) { pex = p; }
+
+
+public Q_SLOTS:
+    void contextDestroyed(const QGLContext *context) {
+        if (context == ctx) {
+            const QGLContext *nextCtx = qt_gl_transfer_context(ctx);
+            if (!nextCtx) {
+                // the context may not be current, so we cannot directly
+                // destroy the fbo and texture here, but since the context
+                // is about to be destroyed, the GL server will do the
+                // clean up for us anyway
+                m_fbo = 0;
+                m_texture = 0;
+                ctx = 0;
+            } else {
+                // since the context holding the texture is shared, and
+                // about to be destroyed, we have to transfer ownership
+                // of the texture to one of the share contexts
+                ctx = const_cast<QGLContext *>(nextCtx);
+            }
+        }
+    }
+
+private:
+    QGLContext *ctx;
+
+    QGL2PaintEngineExPrivate *pex;
+
+    GLuint m_texture;
+    GLuint m_fbo;
+
+    int m_width;
+    int m_height;
+
+    QGLShaderProgram *m_program;
+};
+
+QT_END_NAMESPACE
+
+#endif
+
diff --git a/src/opengl/opengl.pro b/src/opengl/opengl.pro
index b2474ed..6076891 100644
--- a/src/opengl/opengl.pro
+++ b/src/opengl/opengl.pro
@@ -54,7 +54,8 @@ SOURCES	+= qgl.cpp \
                 gl2paintengineex/qpaintengineex_opengl2_p.h \
                 gl2paintengineex/qglengineshadersource_p.h \
                 gl2paintengineex/qglcustomshaderstage_p.h \
-                gl2paintengineex/qtriangulatingstroker_p.h
+                gl2paintengineex/qtriangulatingstroker_p.h \
+                gl2paintengineex/qtextureglyphcache_gl_p.h
 
     SOURCES +=  qglshaderprogram.cpp \
                 qglpixmapfilter.cpp \
@@ -67,7 +68,8 @@ SOURCES	+= qgl.cpp \
                 gl2paintengineex/qgl2pexvertexarray.cpp \
                 gl2paintengineex/qpaintengineex_opengl2.cpp \
                 gl2paintengineex/qglcustomshaderstage.cpp \
-                gl2paintengineex/qtriangulatingstroker.cpp
+                gl2paintengineex/qtriangulatingstroker.cpp \
+                gl2paintengineex/qtextureglyphcache_gl.cpp
 
 }
 
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 466e851..c3e4a2e 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -1436,6 +1436,18 @@ void QGLContextGroup::removeGuard(QGLSharedResourceGuard *guard)
         m_guards = guard->m_next;
 }
 
+const QGLContext *qt_gl_transfer_context(const QGLContext *ctx)
+{
+    if (!ctx)
+        return 0;
+    QList<const QGLContext *> shares
+        (QGLContextPrivate::contextGroup(ctx)->shares());
+    if (shares.size() >= 2)
+        return (ctx == shares.at(0)) ? shares.at(1) : shares.at(0);
+    else
+        return 0;
+}
+
 QGLContextPrivate::~QGLContextPrivate()
 {
     if (!group->m_refs.deref()) {
@@ -1484,6 +1496,8 @@ void QGLContextPrivate::init(QPaintDevice *dev, const QGLFormat &format)
     current_fbo = 0;
     default_fbo = 0;
     active_engine = 0;
+    for (int i = 0; i < QT_GL_VERTEX_ARRAY_TRACKED_COUNT; ++i)
+        vertexAttributeArraysEnabledState[i] = false;
 }
 
 QGLContext* QGLContext::currentCtx = 0;
@@ -1729,12 +1743,6 @@ struct DDSFormat {
 #define GL_GENERATE_MIPMAP_HINT_SGIS  0x8192
 #endif
 
-Q_GLOBAL_STATIC(QGLShareRegister, _qgl_share_reg)
-Q_OPENGL_EXPORT QGLShareRegister* qgl_share_reg()
-{
-    return _qgl_share_reg();
-}
-
 /*!
     \class QGLContext
     \brief The QGLContext class encapsulates an OpenGL rendering context.
@@ -1874,6 +1882,35 @@ void QGLContextPrivate::cleanup()
 {
 }
 
+#define ctx q_ptr
+void QGLContextPrivate::setVertexAttribArrayEnabled(int arrayIndex, bool enabled)
+{
+    Q_ASSERT(arrayIndex < QT_GL_VERTEX_ARRAY_TRACKED_COUNT);
+    Q_ASSERT(glEnableVertexAttribArray);
+
+    if (vertexAttributeArraysEnabledState[arrayIndex] && !enabled)
+        glDisableVertexAttribArray(arrayIndex);
+
+    if (!vertexAttributeArraysEnabledState[arrayIndex] && enabled)
+        glEnableVertexAttribArray(arrayIndex);
+
+    vertexAttributeArraysEnabledState[arrayIndex] = enabled;
+}
+
+void QGLContextPrivate::syncGlState()
+{
+    Q_ASSERT(glEnableVertexAttribArray);
+    for (int i = 0; i < QT_GL_VERTEX_ARRAY_TRACKED_COUNT; ++i) {
+        if (vertexAttributeArraysEnabledState[i])
+            glEnableVertexAttribArray(i);
+        else
+            glDisableVertexAttribArray(i);
+    }
+
+}
+#undef ctx
+
+
 /*!
     \overload
 
@@ -2954,7 +2991,7 @@ bool QGLContext::create(const QGLContext* shareContext)
         wd->usesDoubleBufferedGLContext = d->glFormat.doubleBuffer();
     }
     if (d->sharing)  // ok, we managed to share
-        qgl_share_reg()->addShare(this, shareContext);
+        QGLContextGroup::addShare(this, shareContext);
     return d->valid;
 }
 
@@ -4378,9 +4415,9 @@ void QGLWidget::renderText(int x, int y, const QString &str, const QFont &font,
     int height = d->glcx->device()->height();
     bool auto_swap = autoBufferSwap();
 
+    QPaintEngine::Type oldEngineType = qgl_engine_selector()->preferredPaintEngine();
+    qgl_engine_selector()->setPreferredPaintEngine(QPaintEngine::OpenGL);
     QPaintEngine *engine = paintEngine();
-    if (engine->type() == QPaintEngine::OpenGL2)
-        static_cast<QGL2PaintEngineEx *>(engine)->setRenderTextActive(true);
     QPainter *p;
     bool reuse_painter = false;
     if (engine->isActive()) {
@@ -4400,11 +4437,6 @@ void QGLWidget::renderText(int x, int y, const QString &str, const QFont &font,
         setAutoBufferSwap(false);
         // disable glClear() as a result of QPainter::begin()
         d->disable_clear_on_painter_begin = true;
-        if (engine->type() == QPaintEngine::OpenGL2) {
-            qt_save_gl_state();
-            glMatrixMode(GL_MODELVIEW);
-            glLoadIdentity();
-        }
         p = new QPainter(this);
     }
 
@@ -4428,11 +4460,8 @@ void QGLWidget::renderText(int x, int y, const QString &str, const QFont &font,
         delete p;
         setAutoBufferSwap(auto_swap);
         d->disable_clear_on_painter_begin = false;
-        if (engine->type() == QPaintEngine::OpenGL2)
-            qt_restore_gl_state();
     }
-    if (engine->type() == QPaintEngine::OpenGL2)
-        static_cast<QGL2PaintEngineEx *>(engine)->setRenderTextActive(false);
+    qgl_engine_selector()->setPreferredPaintEngine(oldEngineType);
 #else // QT_OPENGL_ES
     Q_UNUSED(x);
     Q_UNUSED(y);
@@ -4480,9 +4509,9 @@ void QGLWidget::renderText(double x, double y, double z, const QString &str, con
                 &win_x, &win_y, &win_z);
     win_y = height - win_y; // y is inverted
 
+    QPaintEngine::Type oldEngineType = qgl_engine_selector()->preferredPaintEngine();
+    qgl_engine_selector()->setPreferredPaintEngine(QPaintEngine::OpenGL);
     QPaintEngine *engine = paintEngine();
-    if (engine->type() == QPaintEngine::OpenGL2)
-        static_cast<QGL2PaintEngineEx *>(engine)->setRenderTextActive(true);
     QPainter *p;
     bool reuse_painter = false;
     bool use_depth_testing = glIsEnabled(GL_DEPTH_TEST);
@@ -4496,8 +4525,6 @@ void QGLWidget::renderText(double x, double y, double z, const QString &str, con
         setAutoBufferSwap(false);
         // disable glClear() as a result of QPainter::begin()
         d->disable_clear_on_painter_begin = true;
-        if (engine->type() == QPaintEngine::OpenGL2)
-            qt_save_gl_state();
         p = new QPainter(this);
     }
 
@@ -4526,13 +4553,10 @@ void QGLWidget::renderText(double x, double y, double z, const QString &str, con
     } else {
         p->end();
         delete p;
-        if (engine->type() == QPaintEngine::OpenGL2)
-            qt_restore_gl_state();
         setAutoBufferSwap(auto_swap);
         d->disable_clear_on_painter_begin = false;
     }
-    if (engine->type() == QPaintEngine::OpenGL2)
-        static_cast<QGL2PaintEngineEx *>(engine)->setRenderTextActive(false);
+    qgl_engine_selector()->setPreferredPaintEngine(oldEngineType);
 #else // QT_OPENGL_ES
     Q_UNUSED(x);
     Q_UNUSED(y);
@@ -4953,7 +4977,7 @@ Q_OPENGL_EXPORT const QString qt_gl_library_name()
 }
 #endif
 
-void QGLShareRegister::addShare(const QGLContext *context, const QGLContext *share) {
+void QGLContextGroup::addShare(const QGLContext *context, const QGLContext *share) {
     Q_ASSERT(context && share);
     if (context->d_ptr->group == share->d_ptr->group)
         return;
@@ -4974,11 +4998,7 @@ void QGLShareRegister::addShare(const QGLContext *context, const QGLContext *sha
     group->m_shares.append(context);
 }
 
-QList<const QGLContext *> QGLShareRegister::shares(const QGLContext *context) {
-    return context->d_ptr->group->m_shares;
-}
-
-void QGLShareRegister::removeShare(const QGLContext *context) {
+void QGLContextGroup::removeShare(const QGLContext *context) {
     // Remove the context from the group.
     QGLContextGroup *group = context->d_ptr->group;
     if (group->m_shares.isEmpty())
diff --git a/src/opengl/qgl.h b/src/opengl/qgl.h
index 2076c46..932ea7e 100644
--- a/src/opengl/qgl.h
+++ b/src/opengl/qgl.h
@@ -393,11 +393,12 @@ private:
     friend class QOpenGLPaintEnginePrivate;
     friend class QGL2PaintEngineEx;
     friend class QGL2PaintEngineExPrivate;
+    friend class QGLEngineShaderManager;
     friend class QGLWindowSurface;
     friend class QGLPixmapData;
     friend class QGLPixmapFilterBase;
     friend class QGLTextureGlyphCache;
-    friend class QGLShareRegister;
+    friend class QGLContextGroup;
     friend class QGLSharedResourceGuard;
     friend class QGLPixmapBlurFilter;
     friend QGLFormat::OpenGLVersionFlags QGLFormat::openGLVersionFlags();
diff --git a/src/opengl/qgl_egl.cpp b/src/opengl/qgl_egl.cpp
index 839e8eb..084db32 100644
--- a/src/opengl/qgl_egl.cpp
+++ b/src/opengl/qgl_egl.cpp
@@ -152,7 +152,7 @@ void QGLContext::reset()
     d->valid = false;
     d->transpColor = QColor();
     d->initDone = false;
-    qgl_share_reg()->removeShare(this);
+    QGLContextGroup::removeShare(this);
 }
 
 void QGLContext::makeCurrent()
diff --git a/src/opengl/qgl_mac.mm b/src/opengl/qgl_mac.mm
index 4dd822d..8ecc48b 100644
--- a/src/opengl/qgl_mac.mm
+++ b/src/opengl/qgl_mac.mm
@@ -476,7 +476,7 @@ void QGLContext::reset()
     d->valid = false;
     d->transpColor = QColor();
     d->initDone = false;
-    qgl_share_reg()->removeShare(this);
+    QGLContextGroup::removeShare(this);
 }
 
 void QGLContext::makeCurrent()
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 99c0f33..fcfe791 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -222,9 +222,8 @@ class QGLSharedResourceGuard;
 typedef QHash<QString, GLuint> QGLDDSCache;
 
 // QGLContextPrivate has the responsibility of creating context groups.
-// QGLContextPrivate and QGLShareRegister will both maintain the reference counter and destroy
+// QGLContextPrivate maintains the reference counter and destroys
 // context groups when needed.
-// QGLShareRegister has the responsibility of keeping the context pointer up to date.
 class QGLContextGroup
 {
 public:
@@ -233,9 +232,13 @@ public:
     QGLExtensionFuncs &extensionFuncs() {return m_extensionFuncs;}
     const QGLContext *context() const {return m_context;}
     bool isSharing() const { return m_shares.size() >= 2; }
+    QList<const QGLContext *> shares() const { return m_shares; }
 
     void addGuard(QGLSharedResourceGuard *guard);
     void removeGuard(QGLSharedResourceGuard *guard);
+
+    static void addShare(const QGLContext *context, const QGLContext *share);
+    static void removeShare(const QGLContext *context);
 private:
     QGLContextGroup(const QGLContext *context) : m_context(context), m_guards(0), m_refs(1) { }
 
@@ -249,14 +252,21 @@ private:
 
     void cleanupResources(const QGLContext *ctx);
 
-    friend class QGLShareRegister;
     friend class QGLContext;
     friend class QGLContextPrivate;
     friend class QGLContextResource;
 };
 
+// Get the context that resources for "ctx" will transfer to once
+// "ctx" is destroyed.  Returns null if nothing is sharing with ctx.
+Q_OPENGL_EXPORT const QGLContext *qt_gl_transfer_context(const QGLContext *);
+
 class QGLTexture;
 
+// This probably needs to grow to GL_MAX_VERTEX_ATTRIBS, but 3 is ok for now as that's
+// all the GL2 engine uses:
+#define QT_GL_VERTEX_ARRAY_TRACKED_COUNT 3
+
 class QGLContextPrivate
 {
     Q_DECLARE_PUBLIC(QGLContext)
@@ -276,6 +286,9 @@ public:
 
     void cleanup();
 
+    void setVertexAttribArrayEnabled(int arrayIndex, bool enabled = true);
+    void syncGlState(); // Makes sure the GL context's state is what we think it is
+
 #if defined(Q_WS_WIN)
     HGLRC rc;
     HDC dc;
@@ -332,6 +345,8 @@ public:
     GLuint default_fbo;
     QPaintEngine *active_engine;
 
+    bool vertexAttributeArraysEnabledState[QT_GL_VERTEX_ARRAY_TRACKED_COUNT];
+
     static inline QGLContextGroup *contextGroup(const QGLContext *ctx) { return ctx->d_ptr->group; }
 
 #ifdef Q_WS_WIN
@@ -395,19 +410,6 @@ public:
 Q_DECLARE_OPERATORS_FOR_FLAGS(QGLExtensions::Extensions)
 
 
-class Q_OPENGL_EXPORT QGLShareRegister
-{
-public:
-    QGLShareRegister() {}
-    ~QGLShareRegister() {}
-
-    void addShare(const QGLContext *context, const QGLContext *share);
-    QList<const QGLContext *> shares(const QGLContext *context);
-    void removeShare(const QGLContext *context);
-};
-
-extern Q_OPENGL_EXPORT QGLShareRegister* qgl_share_reg();
-
 // Temporarily make a context current if not already current or
 // shared with the current contex.  The previous context is made
 // current when the object goes out of scope.
diff --git a/src/opengl/qgl_win.cpp b/src/opengl/qgl_win.cpp
index 5b5820a..f80025d 100644
--- a/src/opengl/qgl_win.cpp
+++ b/src/opengl/qgl_win.cpp
@@ -1145,7 +1145,7 @@ void QGLContext::reset()
     delete d->cmap;
     d->cmap = 0;
     d->initDone = false;
-    qgl_share_reg()->removeShare(this);
+    QGLContextGroup::removeShare(this);
 }
 
 //
diff --git a/src/opengl/qgl_x11.cpp b/src/opengl/qgl_x11.cpp
index 9c3fc79..9fca28c 100644
--- a/src/opengl/qgl_x11.cpp
+++ b/src/opengl/qgl_x11.cpp
@@ -825,7 +825,7 @@ void QGLContext::reset()
     d->valid = false;
     d->transpColor = QColor();
     d->initDone = false;
-    qgl_share_reg()->removeShare(this);
+    QGLContextGroup::removeShare(this);
 }
 
 
@@ -1132,6 +1132,72 @@ void *QGLContext::getProcAddress(const QString &proc) const
     return glXGetProcAddressARB(reinterpret_cast<const GLubyte *>(proc.toLatin1().data()));
 }
 
+//
+// This class is used to create a temporary, minimal GL context, which is used
+// to retrive GL version and extension info. It's significantly faster to
+// construct than a QGLWidget, and it doesn't have the recursive creation
+// problem that QGLWidget would have. E.g. creating a temporary QGLWidget to
+// retrieve GL info as part of the QGLWidget initialization.
+//
+class QGLTempContext
+{
+public:
+    QGLTempContext(int screen = 0) :
+            initialized(false),
+            old_drawable(0),
+            old_context(0)
+    {
+        int attribs[] = {GLX_RGBA, XNone};
+        XVisualInfo *vi = glXChooseVisual(X11->display, screen, attribs);
+        if (!vi) {
+            qWarning("QGLTempContext: No GL capable X visuals available.");
+            return;
+        }
+
+        int useGL;
+        glXGetConfig(X11->display, vi, GLX_USE_GL, &useGL);
+        if (!useGL) {
+            XFree(vi);
+            return;
+        }
+
+        old_drawable = glXGetCurrentDrawable();
+        old_context = glXGetCurrentContext();
+
+        XSetWindowAttributes a;
+        a.colormap = qt_gl_choose_cmap(X11->display, vi);
+        drawable = XCreateWindow(X11->display, RootWindow(X11->display, screen),
+                                 0, 0, 1, 1, 0,
+                                 vi->depth, InputOutput, vi->visual,
+                                 CWColormap, &a);
+        context = glXCreateContext(X11->display, vi, 0, True);
+        if (context && glXMakeCurrent(X11->display, drawable, context)) {
+            initialized = true;
+        } else {
+            qWarning("QGLTempContext: Unable to create GL context.");
+            XDestroyWindow(X11->display, drawable);
+        }
+        XFree(vi);
+    }
+
+    ~QGLTempContext() {
+        if (initialized) {
+            glXMakeCurrent(X11->display, 0, 0);
+            glXDestroyContext(X11->display, context);
+            XDestroyWindow(X11->display, drawable);
+        }
+        if (old_drawable && old_context)
+            glXMakeCurrent(X11->display, old_drawable, old_context);
+    }
+
+private:
+    bool initialized;
+    Window drawable;
+    GLXContext context;
+    GLXDrawable old_drawable;
+    GLXContext old_context;
+};
+
 /*****************************************************************************
   QGLOverlayWidget (Internal overlay class for X11)
  *****************************************************************************/
@@ -1574,8 +1640,7 @@ void QGLExtensions::init()
         return;
     init_done = true;
 
-    QGLWidget dmy;
-    dmy.makeCurrent();
+    QGLTempContext context;
     init_extensions();
 
     // nvidia 9x.xx unix drivers contain a bug which requires us to call glFinish before releasing an fbo
diff --git a/src/opengl/qgl_x11egl.cpp b/src/opengl/qgl_x11egl.cpp
index 19026b3..271f4de 100644
--- a/src/opengl/qgl_x11egl.cpp
+++ b/src/opengl/qgl_x11egl.cpp
@@ -52,6 +52,116 @@
 
 QT_BEGIN_NAMESPACE
 
+
+bool qt_egl_setup_x11_visual(XVisualInfo &vi, EGLDisplay display, EGLConfig config,
+                             const QX11Info &x11Info, bool useArgbVisual);
+//
+// QGLTempContext is a lass for creating a temporary GL context (which is
+// needed during QGLWidget initialization to retrieve GL extension info).
+// Faster to construct than a full QGLWidget.
+//
+class QGLTempContext
+{
+public:
+    QGLTempContext(int screen = 0) :
+        initialized(false),
+        window(0),
+        context(0),
+        surface(0)
+        {
+            display = eglGetDisplay(EGLNativeDisplayType(X11->display));
+
+            if (!eglInitialize(display, NULL, NULL)) {
+                qWarning("QGLTempContext: Unable to initialize EGL display.");
+                return;
+            }
+
+            EGLConfig config;
+            int numConfigs = 0;
+            EGLint attribs[] = {
+                EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
+#ifdef QT_OPENGL_ES_2
+                EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+#endif
+                EGL_NONE
+            };
+
+            eglChooseConfig(display, attribs, &config, 1, &numConfigs);
+            if (!numConfigs) {
+                qWarning("QGLTempContext: No EGL configurations available.");
+                return;
+            }
+
+            XVisualInfo visualInfo;
+            XVisualInfo *vi;
+            int numVisuals;
+            EGLint id = 0;
+
+            eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &id);
+            if (id == 0) {
+                // EGL_NATIVE_VISUAL_ID is optional and might not be supported
+                // on some implementations - we'll have to do it the hard way
+                QX11Info xinfo;
+                qt_egl_setup_x11_visual(visualInfo, display, config, xinfo, false);
+            } else {
+                visualInfo.visualid = id;
+            }
+            vi = XGetVisualInfo(X11->display, VisualIDMask, &visualInfo, &numVisuals);
+            if (!vi || numVisuals < 1) {
+                qWarning("QGLTempContext: Unable to get X11 visual info id.");
+                return;
+            }
+
+            window = XCreateWindow(X11->display, RootWindow(X11->display, screen),
+                                   0, 0, 1, 1, 0,
+                                   vi->depth, InputOutput, vi->visual,
+                                   0, 0);
+
+            surface = eglCreateWindowSurface(display, config, (EGLNativeWindowType) window, NULL);
+
+            if (surface == EGL_NO_SURFACE) {
+                qWarning("QGLTempContext: Error creating EGL surface.");
+                XFree(vi);
+                XDestroyWindow(X11->display, window);
+                return;
+            }
+
+            EGLint contextAttribs[] = {
+#ifdef QT_OPENGL_ES_2
+                EGL_CONTEXT_CLIENT_VERSION, 2,
+#endif
+                EGL_NONE
+            };
+            context = eglCreateContext(display, config, 0, contextAttribs);
+            if (context != EGL_NO_CONTEXT
+                && eglMakeCurrent(display, surface, surface, context))
+            {
+                initialized = true;
+            } else {
+                qWarning("QGLTempContext: Error creating EGL context.");
+                eglDestroySurface(display, surface);
+                XDestroyWindow(X11->display, window);
+            }
+            XFree(vi);
+        }
+
+    ~QGLTempContext() {
+        if (initialized) {
+            eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+            eglDestroyContext(display, context);
+            eglDestroySurface(display, surface);
+            XDestroyWindow(X11->display, window);
+        }
+    }
+
+private:
+    bool initialized;
+    Window window;
+    EGLContext context;
+    EGLSurface surface;
+    EGLDisplay display;
+};
+
 bool QGLFormat::hasOpenGLOverlays()
 {
     return false;
@@ -446,12 +556,8 @@ void QGLExtensions::init()
     init_done = true;
 
     // We need a context current to initialize the extensions.
-    QGLWidget tmpWidget;
-    tmpWidget.makeCurrent();
-
+    QGLTempContext context;
     init_extensions();
-
-    tmpWidget.doneCurrent();
 }
 
 // Re-creates the EGL surface if the window ID has changed or if force is true
diff --git a/src/opengl/qglpixelbuffer.cpp b/src/opengl/qglpixelbuffer.cpp
index 7c97ebb..fab6efc 100644
--- a/src/opengl/qglpixelbuffer.cpp
+++ b/src/opengl/qglpixelbuffer.cpp
@@ -127,7 +127,7 @@ void QGLPixelBufferPrivate::common_init(const QSize &size, const QGLFormat &form
         qctx = new QGLContext(format);
         qctx->d_func()->sharing = (shareWidget != 0);
         if (shareWidget != 0 && shareWidget->d_func()->glcx) {
-            qgl_share_reg()->addShare(qctx, shareWidget->d_func()->glcx);
+            QGLContextGroup::addShare(qctx, shareWidget->d_func()->glcx);
             shareWidget->d_func()->glcx->d_func()->sharing = true;
         }
 
diff --git a/src/opengl/qglshaderprogram.cpp b/src/opengl/qglshaderprogram.cpp
index f9737a56..b4191dc 100644
--- a/src/opengl/qglshaderprogram.cpp
+++ b/src/opengl/qglshaderprogram.cpp
@@ -2275,42 +2275,6 @@ void QGLShaderProgram::setUniformValue(const char *name, const QMatrix4x4& value
     \overload
 
     Sets the uniform variable at \a location in the current context
-    to a 2x2 matrix \a value.  The matrix elements must be specified
-    in column-major order.
-
-    \sa setAttributeValue()
-    \since 4.6.2
-*/
-void QGLShaderProgram::setUniformValue(int location, const GLfloat value[2][2])
-{
-    Q_D(QGLShaderProgram);
-    Q_UNUSED(d);
-    if (location != -1)
-        glUniformMatrix2fv(location, 1, GL_FALSE, value[0]);
-}
-
-/*!
-    \overload
-
-    Sets the uniform variable at \a location in the current context
-    to a 3x3 matrix \a value.  The matrix elements must be specified
-    in column-major order.
-
-    \sa setAttributeValue()
-    \since 4.6.2
-*/
-void QGLShaderProgram::setUniformValue(int location, const GLfloat value[3][3])
-{
-    Q_D(QGLShaderProgram);
-    Q_UNUSED(d);
-    if (location != -1)
-        glUniformMatrix3fv(location, 1, GL_FALSE, value[0]);
-}
-
-/*!
-    \overload
-
-    Sets the uniform variable at \a location in the current context
     to a 4x4 matrix \a value.  The matrix elements must be specified
     in column-major order.
 
@@ -2324,37 +2288,6 @@ void QGLShaderProgram::setUniformValue(int location, const GLfloat value[4][4])
         glUniformMatrix4fv(location, 1, GL_FALSE, value[0]);
 }
 
-
-/*!
-    \overload
-
-    Sets the uniform variable called \a name in the current context
-    to a 2x2 matrix \a value.  The matrix elements must be specified
-    in column-major order.
-
-    \sa setAttributeValue()
-    \since 4.6.2
-*/
-void QGLShaderProgram::setUniformValue(const char *name, const GLfloat value[2][2])
-{
-    setUniformValue(uniformLocation(name), value);
-}
-
-/*!
-    \overload
-
-    Sets the uniform variable called \a name in the current context
-    to a 3x3 matrix \a value.  The matrix elements must be specified
-    in column-major order.
-
-    \sa setAttributeValue()
-    \since 4.6.2
-*/
-void QGLShaderProgram::setUniformValue(const char *name, const GLfloat value[3][3])
-{
-    setUniformValue(uniformLocation(name), value);
-}
-
 /*!
     \overload
 
diff --git a/src/opengl/qglshaderprogram.h b/src/opengl/qglshaderprogram.h
index 4eb80dd..deeaee2 100644
--- a/src/opengl/qglshaderprogram.h
+++ b/src/opengl/qglshaderprogram.h
@@ -216,8 +216,6 @@ public:
     void setUniformValue(int location, const QMatrix4x2& value);
     void setUniformValue(int location, const QMatrix4x3& value);
     void setUniformValue(int location, const QMatrix4x4& value);
-    void setUniformValue(int location, const GLfloat value[2][2]);
-    void setUniformValue(int location, const GLfloat value[3][3]);
     void setUniformValue(int location, const GLfloat value[4][4]);
     void setUniformValue(int location, const QTransform& value);
 
@@ -244,8 +242,6 @@ public:
     void setUniformValue(const char *name, const QMatrix4x2& value);
     void setUniformValue(const char *name, const QMatrix4x3& value);
     void setUniformValue(const char *name, const QMatrix4x4& value);
-    void setUniformValue(const char *name, const GLfloat value[2][2]);
-    void setUniformValue(const char *name, const GLfloat value[3][3]);
     void setUniformValue(const char *name, const GLfloat value[4][4]);
     void setUniformValue(const char *name, const QTransform& value);
 
diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp
index 04fee08..117c910 100644
--- a/src/openvg/qpaintengine_vg.cpp
+++ b/src/openvg/qpaintengine_vg.cpp
@@ -200,6 +200,7 @@ public:
 
     QRegion scissorRegion;  // Currently active scissor region.
     bool scissorActive;     // True if scissor region is active.
+    bool scissorDirty;      // True if scissor is dirty after native painting.
 
     QPaintEngine::DirtyFlags dirty;
 
@@ -357,6 +358,7 @@ void QVGPaintEnginePrivate::init()
     rawVG = false;
 
     scissorActive = false;
+    scissorDirty = false;
 
     dirty = 0;
 
@@ -984,6 +986,9 @@ static QImage colorizeBitmap(const QImage &image, const QColor &color)
     return dest;
 }
 
+// defined in qpixmapdata_vg.cpp.
+const uchar *qt_vg_imageBits(const QImage& image);
+
 static VGImage toVGImage
     (const QImage & image, Qt::ImageConversionFlags flags = Qt::AutoColor)
 {
@@ -1017,7 +1022,7 @@ static VGImage toVGImage
         break;
     }
 
-    const uchar *pixels = img.bits();
+    const uchar *pixels = qt_vg_imageBits(img);
 
     VGImage vgImg = QVGImagePool::instance()->createPermanentImage
         (format, img.width(), img.height(), VG_IMAGE_QUALITY_FASTER);
@@ -1061,7 +1066,7 @@ static VGImage toVGImageSubRect
         break;
     }
 
-    const uchar *pixels = img.bits() + bpp * sr.x() +
+    const uchar *pixels = qt_vg_imageBits(img) + bpp * sr.x() +
                           img.bytesPerLine() * sr.y();
 
     VGImage vgImg = QVGImagePool::instance()->createPermanentImage
@@ -1083,7 +1088,7 @@ static VGImage toVGImageWithOpacity(const QImage & image, qreal opacity)
     painter.drawImage(0, 0, image);
     painter.end();
 
-    const uchar *pixels = img.bits();
+    const uchar *pixels = qt_vg_imageBits(img);
 
     VGImage vgImg = QVGImagePool::instance()->createPermanentImage
         (VG_sARGB_8888_PRE, img.width(), img.height(), VG_IMAGE_QUALITY_FASTER);
@@ -1105,7 +1110,7 @@ static VGImage toVGImageWithOpacitySubRect
     painter.drawImage(QPoint(0, 0), image, sr);
     painter.end();
 
-    const uchar *pixels = img.bits();
+    const uchar *pixels = qt_vg_imageBits(img);
 
     VGImage vgImg = QVGImagePool::instance()->createPermanentImage
         (VG_sARGB_8888_PRE, img.width(), img.height(), VG_IMAGE_QUALITY_FASTER);
@@ -2083,6 +2088,7 @@ void QVGPaintEngine::updateScissor()
             // so there is no point doing any scissoring.
             vgSeti(VG_SCISSORING, VG_FALSE);
             d->scissorActive = false;
+            d->scissorDirty = false;
             return;
         }
     } else
@@ -2100,6 +2106,7 @@ void QVGPaintEngine::updateScissor()
                 // so there is no point doing any scissoring.
                 vgSeti(VG_SCISSORING, VG_FALSE);
                 d->scissorActive = false;
+                d->scissorDirty = false;
                 return;
             }
         } else
@@ -2109,11 +2116,12 @@ void QVGPaintEngine::updateScissor()
         if (region.isEmpty()) {
             vgSeti(VG_SCISSORING, VG_FALSE);
             d->scissorActive = false;
+            d->scissorDirty = false;
             return;
         }
     }
 
-    if (d->scissorActive && region == d->scissorRegion)
+    if (d->scissorActive && region == d->scissorRegion && !d->scissorDirty)
         return;
 
     QVector<QRect> rects = region.rects();
@@ -2131,6 +2139,7 @@ void QVGPaintEngine::updateScissor()
 
     vgSetiv(VG_SCISSOR_RECTS, count * 4, params.data());
     vgSeti(VG_SCISSORING, VG_TRUE);
+    d->scissorDirty = false;
     d->scissorActive = true;
     d->scissorRegion = region;
 }
@@ -3166,15 +3175,15 @@ void QVGFontGlyphCache::cacheGlyphs
         if (!scaledImage.isNull()) {  // Not a space character
             if (scaledImage.format() == QImage::Format_Indexed8) {
                 vgImage = vgCreateImage(VG_A_8, scaledImage.width(), scaledImage.height(), VG_IMAGE_QUALITY_FASTER);
-                vgImageSubData(vgImage, scaledImage.bits(), scaledImage.bytesPerLine(), VG_A_8, 0, 0, scaledImage.width(), scaledImage.height());
+                vgImageSubData(vgImage, qt_vg_imageBits(scaledImage), scaledImage.bytesPerLine(), VG_A_8, 0, 0, scaledImage.width(), scaledImage.height());
             } else if (scaledImage.format() == QImage::Format_Mono) {
                 QImage img = scaledImage.convertToFormat(QImage::Format_Indexed8);
                 vgImage = vgCreateImage(VG_A_8, img.width(), img.height(), VG_IMAGE_QUALITY_FASTER);
-                vgImageSubData(vgImage, img.bits(), img.bytesPerLine(), VG_A_8, 0, 0, img.width(), img.height());
+                vgImageSubData(vgImage, qt_vg_imageBits(img), img.bytesPerLine(), VG_A_8, 0, 0, img.width(), img.height());
             } else {
                 QImage img = scaledImage.convertToFormat(QImage::Format_ARGB32_Premultiplied);
                 vgImage = vgCreateImage(VG_sARGB_8888_PRE, img.width(), img.height(), VG_IMAGE_QUALITY_FASTER);
-                vgImageSubData(vgImage, img.bits(), img.bytesPerLine(), VG_sARGB_8888_PRE, 0, 0, img.width(), img.height());
+                vgImageSubData(vgImage, qt_vg_imageBits(img), img.bytesPerLine(), VG_sARGB_8888_PRE, 0, 0, img.width(), img.height());
             }
         }
         origin[0] = -metrics.x.toReal() + 0.5f;
@@ -3333,6 +3342,7 @@ void QVGPaintEngine::endNativePainting()
     d->brushType = (VGPaintType)0;
     d->clearColor = QColor();
     d->fillPaint = d->brushPaint;
+    d->scissorDirty = true;
     restoreState(QPaintEngine::AllDirty);
     d->dirty = dirty;
     d->rawVG = false;
@@ -3640,7 +3650,7 @@ void QVGCompositionHelper::drawCursorPixmap
         if (vgImage == VG_INVALID_HANDLE)
             return;
         vgImageSubData
-            (vgImage, img.bits() + img.bytesPerLine() * (img.height() - 1),
+            (vgImage, qt_vg_imageBits(img) + img.bytesPerLine() * (img.height() - 1),
              -(img.bytesPerLine()), VG_sARGB_8888_PRE, 0, 0,
              img.width(), img.height());
 
@@ -3666,15 +3676,17 @@ void QVGCompositionHelper::setScissor(const QRegion& region)
 
     vgSetiv(VG_SCISSOR_RECTS, count * 4, params.data());
     vgSeti(VG_SCISSORING, VG_TRUE);
+    d->scissorDirty = false;
     d->scissorActive = true;
     d->scissorRegion = region;
 }
 
 void QVGCompositionHelper::clearScissor()
 {
-    if (d->scissorActive) {
+    if (d->scissorActive || d->scissorDirty) {
         vgSeti(VG_SCISSORING, VG_FALSE);
         d->scissorActive = false;
+        d->scissorDirty = false;
     }
 }
 
diff --git a/src/openvg/qpixmapdata_vg.cpp b/src/openvg/qpixmapdata_vg.cpp
index 358ec4d..7de2212 100644
--- a/src/openvg/qpixmapdata_vg.cpp
+++ b/src/openvg/qpixmapdata_vg.cpp
@@ -232,7 +232,7 @@ QPaintEngine* QVGPixmapData::paintEngine() const
 // This function works around QImage::bits() making a deep copy if the
 // QImage is not const.  We force it to be const and then get the bits.
 // XXX: Should add a QImage::constBits() in the future to replace this.
-static inline const uchar *qt_vg_imageBits(const QImage& image)
+const uchar *qt_vg_imageBits(const QImage& image)
 {
     return image.bits();
 }
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp
index c86af73..47b8786 100644
--- a/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp
@@ -103,6 +103,8 @@ public:
     void drawTiledPixmap(const QRectF &dest, const QPixmap &pixmap, const QPointF &pos);
     void blit(const QRectF &dest, IDirectFBSurface *surface, const QRectF &src);
 
+    inline bool supportsStretchBlit() const;
+
     inline void updateClip();
     virtual void systemStateChanged();
 
@@ -526,11 +528,12 @@ void QDirectFBPaintEngine::drawImage(const QRectF &r, const QImage &image,
 #if !defined QT_NO_DIRECTFB_PREALLOCATED || defined QT_DIRECTFB_IMAGECACHE
     if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedBlits)
         || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported)
-        || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip
+        || (d->clipType == QDirectFBPaintEnginePrivate::ComplexClip)
+        || (!d->supportsStretchBlit() && state()->matrix.mapRect(r).size() != sr.size())
 #ifndef QT_DIRECTFB_IMAGECACHE
-        || QDirectFBScreen::getSurfacePixelFormat(image.format()) == DSPF_UNKNOWN
+        || (QDirectFBScreen::getSurfacePixelFormat(image.format()) == DSPF_UNKNOWN)
 #elif defined QT_NO_DIRECTFB_PREALLOCATED
-        || QDirectFBPaintEnginePrivate::cacheCost(image) > imageCache.maxCost()
+        || (QDirectFBPaintEnginePrivate::cacheCost(image) > imageCache.maxCost())
 #endif
         )
 #endif
@@ -573,10 +576,9 @@ void QDirectFBPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pixmap,
         Q_ASSERT(data->classId() == QPixmapData::DirectFBClass);
         QDirectFBPixmapData *dfbData = static_cast<QDirectFBPixmapData*>(data);
         if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedBlits)
-               || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported)
-               || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip
-               || (state()->renderHints & QPainter::SmoothPixmapTransform
-                   && state()->matrix.mapRect(r).size() != sr.size())) {
+            || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported)
+            || (d->clipType == QDirectFBPaintEnginePrivate::ComplexClip)
+            || (!d->supportsStretchBlit() && state()->matrix.mapRect(r).size() != sr.size())) {
             RASTERFALLBACK(DRAW_PIXMAP, r, pixmap.size(), sr);
             const QImage *img = dfbData->buffer();
             d->lock();
@@ -606,8 +608,8 @@ void QDirectFBPaintEngine::drawTiledPixmap(const QRectF &r,
         QRasterPaintEngine::drawTiledPixmap(r, pixmap, offset);
     } else if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedBlits)
                || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported)
-               || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip
-               || (state()->renderHints & QPainter::SmoothPixmapTransform && state()->matrix.isScaling())) {
+               || (d->clipType == QDirectFBPaintEnginePrivate::ComplexClip)
+               || (!d->supportsStretchBlit() && state()->matrix.isScaling())) {
         RASTERFALLBACK(DRAW_TILED_PIXMAP, r, pixmap.size(), offset);
         QPixmapData *pixmapData = pixmap.pixmapData();
         Q_ASSERT(pixmapData->classId() == QPixmapData::DirectFBClass);
@@ -732,7 +734,7 @@ void QDirectFBPaintEngine::fillRect(const QRectF &rect, const QBrush &brush)
         case Qt::TexturePattern: {
             if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedBlits)
                 || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported)
-                || (state()->renderHints & QPainter::SmoothPixmapTransform && state()->matrix.isScaling())) {
+                || (!d->supportsStretchBlit() && state()->matrix.isScaling())) {
                 break;
             }
 
@@ -757,7 +759,7 @@ void QDirectFBPaintEngine::fillRect(const QRectF &rect, const QColor &color)
         return;
     Q_D(QDirectFBPaintEngine);
     if ((d->transformationType & QDirectFBPaintEnginePrivate::Matrix_RectsUnsupported)
-        || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip
+        || (d->clipType == QDirectFBPaintEnginePrivate::ComplexClip)
         || !d->testCompositionMode(0, 0, &color)) {
         RASTERFALLBACK(FILL_RECT, rect, color, VOID_ARG());
         d->lock();
@@ -1049,6 +1051,7 @@ void QDirectFBPaintEnginePrivate::blit(const QRectF &dest, IDirectFBSurface *s,
     if (dr.size() == sr.size()) {
         result = surface->Blit(surface, s, &sRect, dr.x(), dr.y());
     } else {
+        Q_ASSERT(supportsStretchBlit());
         const DFBRectangle dRect = { dr.x(), dr.y(), dr.width(), dr.height() };
         result = surface->StretchBlit(surface, s, &sRect, &dRect);
     }
@@ -1096,6 +1099,7 @@ void QDirectFBPaintEnginePrivate::drawTiledPixmap(const QRectF &dest, const QPix
     const QSize pixmapSize = dfbData->size();
     IDirectFBSurface *sourceSurface = dfbData->directFBSurface();
     if (transform.isScaling()) {
+        Q_ASSERT(supportsStretchBlit());
         Q_ASSERT(qMin(transform.m11(), transform.m22()) >= 0);
         offset.rx() *= transform.m11();
         offset.ry() *= transform.m22();
@@ -1184,6 +1188,16 @@ void QDirectFBPaintEnginePrivate::updateClip()
     }
 }
 
+bool QDirectFBPaintEnginePrivate::supportsStretchBlit() const
+{
+#ifdef QT_DIRECTFB_STRETCHBLIT
+    return !(q->state()->renderHints & QPainter::SmoothPixmapTransform);
+#else
+    return false;
+#endif
+}
+
+
 void QDirectFBPaintEnginePrivate::systemStateChanged()
 {
     QRasterPaintEnginePrivate::systemStateChanged();
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp
index b15888b..e78966c 100644
--- a/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp
@@ -470,6 +470,7 @@ QPixmap QDirectFBPixmapData::transformed(const QTransform &transform,
         return QPixmap();
 
     QDirectFBPixmapData *data = new QDirectFBPixmapData(screen, QPixmapData::PixmapType);
+    data->setSerialNumber(++global_ser_no);
     DFBSurfaceBlittingFlags flags = DSBLIT_NOFX;
     data->alpha = alpha;
     if (alpha) {
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h
index 6330582..61d9cf1 100644
--- a/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbscreen.h
@@ -69,6 +69,9 @@ QT_MODULE(Gui)
 #if !defined QT_NO_DIRECTFB_IMAGEPROVIDER && !defined QT_DIRECTFB_IMAGEPROVIDER
 #define QT_DIRECTFB_IMAGEPROVIDER
 #endif
+#if !defined QT_NO_DIRECTFB_STRETCHBLIT && !defined QT_DIRECTFB_STRETCHBLIT
+#define QT_DIRECTFB_STRETCHBLIT
+#endif
 #if !defined QT_DIRECTFB_IMAGEPROVIDER_KEEPALIVE && !defined QT_NO_DIRECTFB_IMAGEPROVIDER_KEEPALIVE
 #define QT_NO_DIRECTFB_IMAGEPROVIDER_KEEPALIVE
 #endif
diff --git a/src/plugins/imageformats/tiff/qtiffhandler.cpp b/src/plugins/imageformats/tiff/qtiffhandler.cpp
index 9538745..7ac9722 100644
--- a/src/plugins/imageformats/tiff/qtiffhandler.cpp
+++ b/src/plugins/imageformats/tiff/qtiffhandler.cpp
@@ -192,11 +192,10 @@ bool QTiffHandler::read(QImage *image)
         return false;
     }
 
+    // BitsPerSample defaults to 1 according to the TIFF spec.
     uint16 bitPerSample;
-    if (!TIFFGetField(tiff, TIFFTAG_BITSPERSAMPLE, &bitPerSample)) {
-        TIFFClose(tiff);
-        return false;
-    }
+    if (!TIFFGetField(tiff, TIFFTAG_BITSPERSAMPLE, &bitPerSample))
+        bitPerSample = 1;
 
     bool grayscale = photometric == PHOTOMETRIC_MINISBLACK || photometric == PHOTOMETRIC_MINISWHITE;
     if (grayscale && bitPerSample == 1) {
diff --git a/src/script/bridge/qscriptobject.cpp b/src/script/bridge/qscriptobject.cpp
index 2d71c43..6942eb6 100644
--- a/src/script/bridge/qscriptobject.cpp
+++ b/src/script/bridge/qscriptobject.cpp
@@ -61,6 +61,15 @@ bool QScriptObject::getOwnPropertySlot(JSC::ExecState* exec,
     return d->delegate->getOwnPropertySlot(this, exec, propertyName, slot);
 }
 
+bool QScriptObject::getOwnPropertyDescriptor(JSC::ExecState* exec,
+                                             const JSC::Identifier& propertyName,
+                                             JSC::PropertyDescriptor& descriptor)
+{
+    if (!d || !d->delegate)
+        return JSC::JSObject::getOwnPropertyDescriptor(exec, propertyName, descriptor);
+    return d->delegate->getOwnPropertyDescriptor(this, exec, propertyName, descriptor);
+}
+
 void QScriptObject::put(JSC::ExecState* exec, const JSC::Identifier& propertyName,
                         JSC::JSValue value, JSC::PutPropertySlot& slot)
 {
@@ -164,6 +173,14 @@ bool QScriptObjectDelegate::getOwnPropertySlot(QScriptObject* object, JSC::ExecS
     return object->JSC::JSObject::getOwnPropertySlot(exec, propertyName, slot);
 }
 
+bool QScriptObjectDelegate::getOwnPropertyDescriptor(QScriptObject* object, JSC::ExecState* exec,
+                                               const JSC::Identifier& propertyName,
+                                               JSC::PropertyDescriptor& descriptor)
+{
+    return object->JSC::JSObject::getOwnPropertyDescriptor(exec, propertyName, descriptor);
+}
+
+
 void QScriptObjectDelegate::put(QScriptObject* object, JSC::ExecState* exec,
                                 const JSC::Identifier& propertyName,
                                 JSC::JSValue value, JSC::PutPropertySlot& slot)
diff --git a/src/script/bridge/qscriptobject_p.h b/src/script/bridge/qscriptobject_p.h
index a4faa06..f4b7140 100644
--- a/src/script/bridge/qscriptobject_p.h
+++ b/src/script/bridge/qscriptobject_p.h
@@ -63,6 +63,7 @@ public:
     virtual bool getOwnPropertySlot(JSC::ExecState*,
                                     const JSC::Identifier& propertyName,
                                     JSC::PropertySlot&);
+    virtual bool getOwnPropertyDescriptor(JSC::ExecState*, const JSC::Identifier&, JSC::PropertyDescriptor&);
     virtual void put(JSC::ExecState* exec, const JSC::Identifier& propertyName,
                      JSC::JSValue, JSC::PutPropertySlot&);
     virtual bool deleteProperty(JSC::ExecState*,
@@ -121,6 +122,9 @@ public:
     virtual bool getOwnPropertySlot(QScriptObject*, JSC::ExecState*,
                                     const JSC::Identifier& propertyName,
                                     JSC::PropertySlot&);
+    virtual bool getOwnPropertyDescriptor(QScriptObject*, JSC::ExecState*,
+                                    const JSC::Identifier& propertyName,
+                                    JSC::PropertyDescriptor&);
     virtual void put(QScriptObject*, JSC::ExecState* exec, const JSC::Identifier& propertyName,
                      JSC::JSValue, JSC::PutPropertySlot&);
     virtual bool deleteProperty(QScriptObject*, JSC::ExecState*,
diff --git a/src/script/bridge/qscriptqobject.cpp b/src/script/bridge/qscriptqobject.cpp
index 63ba9ec..b51cb68 100644
--- a/src/script/bridge/qscriptqobject.cpp
+++ b/src/script/bridge/qscriptqobject.cpp
@@ -1173,6 +1173,7 @@ bool QObjectDelegate::getOwnPropertySlot(QScriptObject *object, JSC::ExecState *
                                          const JSC::Identifier &propertyName,
                                          JSC::PropertySlot &slot)
 {
+    //Note: this has to be kept in sync with getOwnPropertyDescriptor
 #ifndef QT_NO_PROPERTIES
     QByteArray name = QString(propertyName.ustring()).toLatin1();
     QObject *qobject = data->value;
@@ -1285,6 +1286,142 @@ bool QObjectDelegate::getOwnPropertySlot(QScriptObject *object, JSC::ExecState *
 #endif //QT_NO_PROPERTIES
 }
 
+
+bool QObjectDelegate::getOwnPropertyDescriptor(QScriptObject *object, JSC::ExecState *exec,
+                                         const JSC::Identifier &propertyName,
+                                         JSC::PropertyDescriptor &descriptor)
+{
+    //Note: this has to be kept in sync with getOwnPropertySlot abd getPropertyAttributes
+#ifndef QT_NO_PROPERTIES
+    QByteArray name = QString(propertyName.ustring()).toLatin1();
+    QObject *qobject = data->value;
+    if (!qobject) {
+        QString message = QString::fromLatin1("cannot access member `%0' of deleted QObject")
+                          .arg(QString::fromLatin1(name));
+        descriptor.setValue(JSC::throwError(exec, JSC::GeneralError, message));
+        return true;
+    }
+
+    const QScriptEngine::QObjectWrapOptions &opt = data->options;
+
+    const QMetaObject *meta = qobject->metaObject();
+    {
+        QHash<QByteArray, JSC::JSValue>::const_iterator it = data->cachedMembers.constFind(name);
+        if (it != data->cachedMembers.constEnd()) {
+            int index;
+            if (GeneratePropertyFunctions && ((index = meta->indexOfProperty(name)) != -1)) {
+                QMetaProperty prop = meta->property(index);
+                descriptor.setAccessorDescriptor(it.value(), it.value(), flagsForMetaProperty(prop));
+                if (!prop.isWritable())
+                    descriptor.setWritable(false);
+            } else {
+                unsigned attributes = QObjectMemberAttribute;
+                if (opt & QScriptEngine::SkipMethodsInEnumeration)
+                    attributes |= JSC::DontEnum;
+                descriptor.setDescriptor(it.value(), attributes);
+            }
+            return true;
+        }
+    }
+
+    QScriptEnginePrivate *eng = scriptEngineFromExec(exec);
+    int index = -1;
+    if (name.contains('(')) {
+        QByteArray normalized = QMetaObject::normalizedSignature(name);
+        if (-1 != (index = meta->indexOfMethod(normalized))) {
+            QMetaMethod method = meta->method(index);
+            if (hasMethodAccess(method, index, opt)) {
+                if (!(opt & QScriptEngine::ExcludeSuperClassMethods)
+                    || (index >= meta->methodOffset())) {
+                    QtFunction *fun = new (exec)QtFunction(
+                        object, index, /*maybeOverloaded=*/false,
+                        &exec->globalData(), eng->originalGlobalObject()->functionStructure(),
+                        propertyName);
+                    data->cachedMembers.insert(name, fun);
+                    unsigned attributes = QObjectMemberAttribute;
+                    if (opt & QScriptEngine::SkipMethodsInEnumeration)
+                        attributes |= JSC::DontEnum;
+                    descriptor.setDescriptor(fun, attributes);
+                    return true;
+                }
+            }
+        }
+    }
+
+    index = meta->indexOfProperty(name);
+    if (index != -1) {
+        QMetaProperty prop = meta->property(index);
+        if (prop.isScriptable()) {
+            if (!(opt & QScriptEngine::ExcludeSuperClassProperties)
+                || (index >= meta->propertyOffset())) {
+                unsigned attributes = flagsForMetaProperty(prop);
+                if (GeneratePropertyFunctions) {
+                    QtPropertyFunction *fun = new (exec)QtPropertyFunction(
+                        meta, index, &exec->globalData(),
+                        eng->originalGlobalObject()->functionStructure(),
+                        propertyName);
+                    data->cachedMembers.insert(name, fun);
+                    descriptor.setAccessorDescriptor(fun, fun, attributes);
+                    if (attributes & JSC::ReadOnly)
+                        descriptor.setWritable(false);
+                } else {
+                    JSC::JSValue val;
+                    if (!prop.isValid())
+                        val = JSC::jsUndefined();
+                    else
+                        val = eng->jscValueFromVariant(prop.read(qobject));
+                    descriptor.setDescriptor(val, attributes);
+                }
+                return true;
+            }
+        }
+    }
+
+    index = qobject->dynamicPropertyNames().indexOf(name);
+    if (index != -1) {
+        JSC::JSValue val = eng->jscValueFromVariant(qobject->property(name));
+        descriptor.setDescriptor(val, QObjectMemberAttribute);
+        return true;
+    }
+
+    const int offset = (opt & QScriptEngine::ExcludeSuperClassMethods)
+                       ? meta->methodOffset() : 0;
+    for (index = meta->methodCount() - 1; index >= offset; --index) {
+        QMetaMethod method = meta->method(index);
+        if (hasMethodAccess(method, index, opt)
+            && (methodName(method) == name)) {
+            QtFunction *fun = new (exec)QtFunction(
+                object, index, /*maybeOverloaded=*/true,
+                &exec->globalData(), eng->originalGlobalObject()->functionStructure(),
+                propertyName);
+            unsigned attributes = QObjectMemberAttribute;
+            if (opt & QScriptEngine::SkipMethodsInEnumeration)
+                attributes |= JSC::DontEnum;
+            descriptor.setDescriptor(fun, attributes);
+            data->cachedMembers.insert(name, fun);
+            return true;
+        }
+    }
+
+    if (!(opt & QScriptEngine::ExcludeChildObjects)) {
+        QList<QObject*> children = qobject->children();
+        for (index = 0; index < children.count(); ++index) {
+            QObject *child = children.at(index);
+            if (child->objectName() == QString(propertyName.ustring())) {
+                QScriptEngine::QObjectWrapOptions opt = QScriptEngine::PreferExistingWrapperObject;
+                QScriptValue tmp = QScriptEnginePrivate::get(eng)->newQObject(child, QScriptEngine::QtOwnership, opt);
+                descriptor.setDescriptor(eng->scriptValueToJSCValue(tmp), JSC::ReadOnly | JSC::DontDelete | JSC::DontEnum);
+                return true;
+            }
+        }
+    }
+
+    return QScriptObjectDelegate::getOwnPropertyDescriptor(object, exec, propertyName, descriptor);
+#else //QT_NO_PROPERTIES
+    return false;
+#endif //QT_NO_PROPERTIES
+}
+
 void QObjectDelegate::put(QScriptObject *object, JSC::ExecState* exec,
                           const JSC::Identifier& propertyName,
                           JSC::JSValue value, JSC::PutPropertySlot &slot)
@@ -1437,7 +1574,7 @@ bool QObjectDelegate::getPropertyAttributes(const QScriptObject *object,
                                             unsigned &attributes) const
 {
 #ifndef QT_NO_PROPERTIES
-    // ### try to avoid duplicating logic from getOwnPropertySlot()
+    //Note: this has to be kept in sync with getOwnPropertyDescriptor and getOwnPropertySlot
     QByteArray name = ((QString)propertyName.ustring()).toLatin1();
     QObject *qobject = data->value;
     if (!qobject)
@@ -1688,6 +1825,7 @@ QObjectPrototype::QObjectPrototype(JSC::ExecState* exec, WTF::PassRefPtr<JSC::St
     putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, /*length=*/0, exec->propertyNames().toString, qobjectProtoFuncToString), JSC::DontEnum);
     putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, /*length=*/1, JSC::Identifier(exec, "findChild"), qobjectProtoFuncFindChild), JSC::DontEnum);
     putDirectFunction(exec, new (exec) JSC::PrototypeFunction(exec, prototypeFunctionStructure, /*length=*/1, JSC::Identifier(exec, "findChildren"), qobjectProtoFuncFindChildren), JSC::DontEnum);
+    this->structure()->setHasGetterSetterProperties(true);
 }
 
 const JSC::ClassInfo QMetaObjectWrapperObject::info = { "QMetaObject", 0, 0, 0 };
diff --git a/src/script/bridge/qscriptqobject_p.h b/src/script/bridge/qscriptqobject_p.h
index 41900b5..0e7748d 100644
--- a/src/script/bridge/qscriptqobject_p.h
+++ b/src/script/bridge/qscriptqobject_p.h
@@ -78,6 +78,10 @@ public:
     virtual bool getOwnPropertySlot(QScriptObject*, JSC::ExecState*,
                                     const JSC::Identifier& propertyName,
                                     JSC::PropertySlot&);
+    virtual bool getOwnPropertyDescriptor(QScriptObject*, JSC::ExecState*,
+                                    const JSC::Identifier& propertyName,
+                                    JSC::PropertyDescriptor&);
+
     virtual void put(QScriptObject*, JSC::ExecState* exec,
                      const JSC::Identifier& propertyName,
                      JSC::JSValue, JSC::PutPropertySlot&);
diff --git a/src/sql/drivers/odbc/qsql_odbc.cpp b/src/sql/drivers/odbc/qsql_odbc.cpp
index fdf0c2c..55f0696 100644
--- a/src/sql/drivers/odbc/qsql_odbc.cpp
+++ b/src/sql/drivers/odbc/qsql_odbc.cpp
@@ -888,12 +888,17 @@ bool QODBCResult::reset (const QString& query)
                        (SQLCHAR*) query8.constData(),
                        (SQLINTEGER) query8.length());
 #endif
-    if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO) {
+    if (r != SQL_SUCCESS && r != SQL_SUCCESS_WITH_INFO && r!= SQL_NO_DATA) {
         setLastError(qMakeError(QCoreApplication::translate("QODBCResult",
                      "Unable to execute statement"), QSqlError::StatementError, d));
         return false;
     }
 
+    if(r == SQL_NO_DATA) {
+        setSelect(false);
+        return true;
+    }
+
     SQLINTEGER isScrollable, bufferLength;
     r = SQLGetStmtAttr(d->hStmt, SQL_ATTR_CURSOR_SCROLLABLE, &isScrollable, SQL_IS_INTEGER, &bufferLength);
     if(r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO)