Merge remote-tracking branch 'origin/5.9' into dev

Change-Id: I0ec164ce6e8099e6e4d6b40a3c7340737473ef4b

26 files changed, 267 insertions, 98 deletions

diff --git a/src/3rdparty/masm/assembler/X86Assembler.h b/src/3rdparty/masm/assembler/X86Assembler.h
index e79cea7414..b71cf290f8 100644
--- a/src/3rdparty/masm/assembler/X86Assembler.h
+++ b/src/3rdparty/masm/assembler/X86Assembler.h
@@ -253,6 +253,7 @@ public:
     {
     }
 
+#if defined(V4_BOOTSTRAP)
     template <typename LabelType>
     class Jump {
         template<class TemplateAssemblerType>
@@ -291,6 +292,7 @@ public:
     private:
         AssemblerLabel m_label;
     };
+#endif
 
     // Stack operations:
 
diff --git a/src/imports/imports.pro b/src/imports/imports.pro
index 45719df874..0ba949f070 100644
--- a/src/imports/imports.pro
+++ b/src/imports/imports.pro
@@ -20,7 +20,7 @@ qtHaveModule(quick) {
         sharedimage \
         testlib
 
-    qtConfig(quick-sprite):qtConfig(opengl(es1|es2)?): \
+    qtConfig(quick-shadereffect):qtConfig(quick-sprite):qtConfig(opengl(es1|es2)?): \
         SUBDIRS += particles
 }
 
diff --git a/src/plugins/qmltooling/qmldbg_debugger/qv4debugger.cpp b/src/plugins/qmltooling/qmldbg_debugger/qv4debugger.cpp
index 5cc2043cb1..75cbc9eba1 100644
--- a/src/plugins/qmltooling/qmldbg_debugger/qv4debugger.cpp
+++ b/src/plugins/qmltooling/qmldbg_debugger/qv4debugger.cpp
@@ -230,7 +230,12 @@ void QV4Debugger::leavingFunction(const QV4::ReturnedValue &retVal)
     QMutexLocker locker(&m_lock);
 
     if (m_stepping != NotStepping && m_currentContext.asManaged()->d() == m_engine->current) {
-        m_currentContext.set(m_engine, *m_engine->parentContext(m_engine->currentContext));
+        if (QV4::ExecutionContext *parentContext
+                = m_engine->parentContext(m_engine->currentContext)) {
+            m_currentContext.set(m_engine, *parentContext);
+        } else {
+            m_currentContext.clear();
+        }
         m_stepping = StepOver;
         m_returnedValue.set(m_engine, retVal);
     }
diff --git a/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.cpp b/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.cpp
index dd630c776f..df47e920af 100644
--- a/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.cpp
+++ b/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.cpp
@@ -94,7 +94,7 @@ void QSGOpenVGFontGlyphCache::populate(const QVector<quint32> &glyphs)
         referencedGlyphs.insert(glyphIndex);
 
 
-        if (!m_cachedGlyphs.contains(glyphIndex)) {
+        if (!m_glyphReferences.contains(glyphIndex)) {
             newGlyphs.insert(glyphIndex);
         }
     }
@@ -119,17 +119,9 @@ void QSGOpenVGFontGlyphCache::requestGlyphs(const QSet<quint32> &glyphs)
 {
     VGfloat origin[2];
     VGfloat escapement[2];
-    QRectF metrics;
     QRawFont rawFont = m_referenceFont;
 
-    // Before adding any new glyphs, remove any unused glyphs
-    for (auto glyph : qAsConst(m_unusedGlyphs)) {
-        vgClearGlyph(m_font, glyph);
-    }
-
     for (auto glyph : glyphs) {
-         m_cachedGlyphs.insert(glyph);
-
         // Calculate the path for the glyph and cache it.
         QPainterPath path = rawFont.pathForGlyph(glyph);
         VGPath vgPath;
@@ -151,12 +143,23 @@ void QSGOpenVGFontGlyphCache::requestGlyphs(const QSet<quint32> &glyphs)
 
 void QSGOpenVGFontGlyphCache::referenceGlyphs(const QSet<quint32> &glyphs)
 {
-    m_unusedGlyphs -= glyphs;
+    for (auto glyph : glyphs) {
+        if (m_glyphReferences.contains(glyph))
+            m_glyphReferences[glyph] += 1;
+        else
+            m_glyphReferences.insert(glyph, 1);
+    }
 }
 
 void QSGOpenVGFontGlyphCache::releaseGlyphs(const QSet<quint32> &glyphs)
 {
-    m_unusedGlyphs += glyphs;
+    for (auto glyph : glyphs) {
+        int references = m_glyphReferences[glyph] -= 1;
+        if (references == 0) {
+            vgClearGlyph(m_font, glyph);
+            m_glyphReferences.remove(glyph);
+        }
+    }
 }
 
 QT_END_NAMESPACE
diff --git a/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.h b/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.h
index a88d28b0fe..107ec0c892 100644
--- a/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.h
+++ b/src/plugins/scenegraph/openvg/qsgopenvgfontglyphcache.h
@@ -87,8 +87,7 @@ private:
     int m_glyphCount;
 
     VGFont m_font;
-    QSet<quint32> m_cachedGlyphs;
-    QSet<quint32> m_unusedGlyphs;
+    QHash<quint32, int> m_glyphReferences;
 };
 
 
diff --git a/src/qml/compiler/qqmlirbuilder.cpp b/src/qml/compiler/qqmlirbuilder.cpp
index 030f485504..18fccc8f43 100644
--- a/src/qml/compiler/qqmlirbuilder.cpp
+++ b/src/qml/compiler/qqmlirbuilder.cpp
@@ -2116,7 +2116,8 @@ QmlIR::Object *IRLoader::loadObject(const QV4::CompiledData::Object *serializedO
 
     object->indexOfDefaultPropertyOrAlias = serializedObject->indexOfDefaultPropertyOrAlias;
     object->defaultPropertyIsAlias = serializedObject->defaultPropertyIsAlias;
-
+    object->flags = serializedObject->flags;
+    object->id = serializedObject->id;
     object->location = serializedObject->location;
     object->locationOfIdProperty = serializedObject->locationOfIdProperty;
 
@@ -2175,6 +2176,15 @@ QmlIR::Object *IRLoader::loadObject(const QV4::CompiledData::Object *serializedO
         object->properties->append(p);
     }
 
+    {
+        const QV4::CompiledData::Alias *serializedAlias = serializedObject->aliasTable();
+        for (uint i = 0; i < serializedObject->nAliases; ++i, ++serializedAlias) {
+            QmlIR::Alias *a = pool->New<QmlIR::Alias>();
+            *static_cast<QV4::CompiledData::Alias*>(a) = *serializedAlias;
+            object->aliases->append(a);
+        }
+    }
+
     QQmlJS::Engine *jsParserEngine = &output->jsParserEngine;
 
     const QV4::CompiledData::LEUInt32 *functionIdx = serializedObject->functionOffsetTable();
@@ -2205,6 +2215,11 @@ QmlIR::Object *IRLoader::loadObject(const QV4::CompiledData::Object *serializedO
         const QString name = unit->stringAt(compiledFunction->nameIndex);
         f->functionDeclaration = new(pool) QQmlJS::AST::FunctionDeclaration(jsParserEngine->newStringRef(name), paramList, /*body*/0);
 
+        f->formals.allocate(pool, int(compiledFunction->nFormals));
+        formalNameIdx = compiledFunction->formalsTable();
+        for (uint i = 0; i < compiledFunction->nFormals; ++i, ++formalNameIdx)
+            f->formals[i] = *formalNameIdx;
+
         object->functions->append(f);
     }
 
diff --git a/src/qml/compiler/qv4codegen.cpp b/src/qml/compiler/qv4codegen.cpp
index 0afc97e4bf..ecec0cf49a 100644
--- a/src/qml/compiler/qv4codegen.cpp
+++ b/src/qml/compiler/qv4codegen.cpp
@@ -2269,7 +2269,7 @@ bool Codegen::visit(DoWhileStatement *ast)
 
     _block = loopbody;
     statement(ast->statement);
-    _block->JUMP(loopcond);
+    setLocation(_block->JUMP(loopcond), ast->statement->lastSourceLocation());
 
     _block = loopcond;
     condition(ast->expression, loopbody, loopend);
@@ -2334,7 +2334,7 @@ bool Codegen::visit(ForEachStatement *ast)
         return false;
     move(*init, _block->TEMP(temp));
     statement(ast->statement);
-    _block->JUMP(foreachin);
+    setLocation(_block->JUMP(foreachin), ast->lastSourceLocation());
 
     _block = foreachin;
 
@@ -2373,7 +2373,7 @@ bool Codegen::visit(ForStatement *ast)
 
     _block = forbody;
     statement(ast->statement);
-    _block->JUMP(forstep);
+    setLocation(_block->JUMP(forstep), ast->lastSourceLocation());
 
     _block = forstep;
     statement(ast->expression);
@@ -2473,7 +2473,7 @@ bool Codegen::visit(LocalForEachStatement *ast)
     int temp = _block->newTemp();
     move(identifier(ast->declaration->name.toString()), _block->TEMP(temp));
     statement(ast->statement);
-    _block->JUMP(foreachin);
+    setLocation(_block->JUMP(foreachin), ast->lastSourceLocation());
 
     _block = foreachin;
 
@@ -2512,7 +2512,7 @@ bool Codegen::visit(LocalForStatement *ast)
 
     _block = forbody;
     statement(ast->statement);
-    _block->JUMP(forstep);
+    setLocation(_block->JUMP(forstep), ast->lastSourceLocation());
 
     _block = forstep;
     statement(ast->expression);
@@ -2813,7 +2813,7 @@ bool Codegen::visit(WhileStatement *ast)
 
     _block = whilebody;
     statement(ast->statement);
-    _block->JUMP(whilecond);
+    setLocation(_block->JUMP(whilecond), ast->lastSourceLocation());
 
     _block = whileend;
     leaveLoop();
diff --git a/src/qml/compiler/qv4compilationunitmapper.cpp b/src/qml/compiler/qv4compilationunitmapper.cpp
index 2e1213464c..1ae0fb190c 100644
--- a/src/qml/compiler/qv4compilationunitmapper.cpp
+++ b/src/qml/compiler/qv4compilationunitmapper.cpp
@@ -76,7 +76,7 @@ bool CompilationUnitMapper::verifyHeader(const CompiledData::Unit *header, const
         return false;
     }
 
-    {
+    if (header->sourceTimeStamp) {
         QFileInfo sourceCode(sourcePath);
         QDateTime sourceTimeStamp;
         if (sourceCode.exists())
diff --git a/src/qml/compiler/qv4compileddata.cpp b/src/qml/compiler/qv4compileddata.cpp
index d0dfb81f80..0cee2996d7 100644
--- a/src/qml/compiler/qv4compileddata.cpp
+++ b/src/qml/compiler/qv4compileddata.cpp
@@ -77,13 +77,7 @@ namespace QV4 {
 
 namespace CompiledData {
 
-#ifdef V4_BOOTSTRAP
-static QString cacheFilePath(const QString &localSourcePath)
-{
-    const QString localCachePath = localSourcePath + QLatin1Char('c');
-    return localCachePath;
-}
-#else
+#if !defined(V4_BOOTSTRAP)
 static QString cacheFilePath(const QUrl &url)
 {
     const QString localSourcePath = QQmlFile::urlToLocalFileOrQrc(url);
@@ -101,8 +95,8 @@ static QString cacheFilePath(const QUrl &url)
 #ifndef V4_BOOTSTRAP
 CompilationUnit::CompilationUnit()
     : data(0)
-    , engine(0)
     , runtimeStrings(0)
+    , engine(0)
     , runtimeLookups(0)
     , runtimeRegularExpressions(0)
     , runtimeClasses(0)
@@ -374,7 +368,7 @@ bool CompilationUnit::loadFromDisk(const QUrl &url, EvalISelFactory *iselFactory
     const Unit * const oldDataPtr = (data && !(data->flags & QV4::CompiledData::Unit::StaticData)) ? data : nullptr;
     QScopedValueRollback<const Unit *> dataPtrChange(data, mappedUnit);
 
-    if (sourcePath != QQmlFile::urlToLocalFileOrQrc(stringAt(data->sourceFileIndex))) {
+    if (data->sourceFileIndex != 0 && sourcePath != QQmlFile::urlToLocalFileOrQrc(stringAt(data->sourceFileIndex))) {
         *errorString = QStringLiteral("QML source file has moved to a different location.");
         return false;
     }
@@ -415,28 +409,29 @@ bool CompilationUnit::memoryMapCode(QString *errorString)
 #endif // V4_BOOTSTRAP
 
 #if defined(V4_BOOTSTRAP)
-bool CompilationUnit::saveToDisk(const QString &unitUrl, QString *errorString)
+bool CompilationUnit::saveToDisk(const QString &outputFileName, QString *errorString)
 #else
 bool CompilationUnit::saveToDisk(const QUrl &unitUrl, QString *errorString)
 #endif
 {
     errorString->clear();
 
+#if !defined(V4_BOOTSTRAP)
     if (data->sourceTimeStamp == 0) {
         *errorString = QStringLiteral("Missing time stamp for source file");
         return false;
     }
 
-#if !defined(V4_BOOTSTRAP)
     if (!QQmlFile::isLocalFile(unitUrl)) {
         *errorString = QStringLiteral("File has to be a local file.");
         return false;
     }
+    const QString outputFileName = cacheFilePath(unitUrl);
 #endif
 
 #if QT_CONFIG(temporaryfile)
     // Foo.qml -> Foo.qmlc
-    QSaveFile cacheFile(cacheFilePath(unitUrl));
+    QSaveFile cacheFile(outputFileName);
     if (!cacheFile.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
         *errorString = cacheFile.errorString();
         return false;
@@ -492,10 +487,22 @@ Unit *CompilationUnit::createUnitData(QmlIR::Document *irDocument)
         return irDocument->jsGenerator.generateUnit(QV4::Compiler::JSUnitGenerator::GenerateWithoutStringTable);
 
     QQmlRefPointer<QV4::CompiledData::CompilationUnit> compilationUnit = irDocument->javaScriptCompilationUnit;
-    QV4::CompiledData::Unit *jsUnit = const_cast<QV4::CompiledData::Unit*>(irDocument->javaScriptCompilationUnit->data);
+    QV4::CompiledData::Unit *jsUnit = const_cast<QV4::CompiledData::Unit*>(compilationUnit->data);
+    auto ensureWritableUnit = [&jsUnit, &compilationUnit]() {
+        if (jsUnit == compilationUnit->data) {
+            char *unitCopy = (char*)malloc(jsUnit->unitSize);
+            memcpy(unitCopy, jsUnit, jsUnit->unitSize);
+            jsUnit = reinterpret_cast<QV4::CompiledData::Unit*>(unitCopy);
+        }
+    };
 
     QV4::Compiler::StringTableGenerator &stringTable = irDocument->jsGenerator.stringTable;
 
+    if (jsUnit->sourceFileIndex == quint32(0) || jsUnit->stringAt(jsUnit->sourceFileIndex) != irDocument->jsModule.fileName) {
+        ensureWritableUnit();
+        jsUnit->sourceFileIndex = stringTable.registerString(irDocument->jsModule.fileName);
+    }
+
     // Collect signals that have had a change in signature (from onClicked to onClicked(mouse) for example)
     // and now need fixing in the QV4::CompiledData. Also register strings at the same time, to finalize
     // the string table.
@@ -558,6 +565,7 @@ Unit *CompilationUnit::createUnitData(QmlIR::Document *irDocument)
     }
 
     if (!signalParameterNameTable.isEmpty()) {
+        ensureWritableUnit();
         Q_ASSERT(jsUnit != compilationUnit->data);
         const uint signalParameterTableSize = signalParameterNameTable.count() * sizeof(quint32);
         uint newSize = jsUnit->unitSize + signalParameterTableSize;
diff --git a/src/qml/compiler/qv4compileddata_p.h b/src/qml/compiler/qv4compileddata_p.h
index a1833f2937..48c78c6a01 100644
--- a/src/qml/compiler/qv4compileddata_p.h
+++ b/src/qml/compiler/qv4compileddata_p.h
@@ -817,13 +817,11 @@ struct Q_QML_PRIVATE_EXPORT CompilationUnit : public QQmlRefCount
     // Called only when building QML, when we build the header for JS first and append QML data
     virtual QV4::CompiledData::Unit *createUnitData(QmlIR::Document *irDocument);
 
-#ifndef V4_BOOTSTRAP
-    ExecutionEngine *engine;
-#endif
-
     QV4::Heap::String **runtimeStrings; // Array
 
 #ifndef V4_BOOTSTRAP
+    ExecutionEngine *engine;
+
     QString fileName() const { return data->stringAt(data->sourceFileIndex); }
     QUrl url() const { if (m_url.isNull) m_url = QUrl(fileName()); return m_url; }
 
@@ -909,7 +907,7 @@ protected:
 
 public:
 #if defined(V4_BOOTSTRAP)
-    bool saveToDisk(const QString &unitUrl, QString *errorString);
+    bool saveToDisk(const QString &outputFileName, QString *errorString);
 #else
     bool saveToDisk(const QUrl &unitUrl, QString *errorString);
 #endif
diff --git a/src/qml/compiler/qv4jsir.cpp b/src/qml/compiler/qv4jsir.cpp
index 5687834b00..cc2f9b7cf2 100644
--- a/src/qml/compiler/qv4jsir.cpp
+++ b/src/qml/compiler/qv4jsir.cpp
@@ -348,11 +348,7 @@ Module::~Module()
 
 void Module::setFileName(const QString &name)
 {
-    if (fileName.isEmpty())
-        fileName = name;
-    else {
-        Q_ASSERT(fileName == name);
-    }
+    fileName = name;
 }
 
 Function::Function(Module *module, Function *outer, const QString &name)
diff --git a/src/qml/debugger/qqmldebug.cpp b/src/qml/debugger/qqmldebug.cpp
index 15230d75a5..681dc06215 100644
--- a/src/qml/debugger/qqmldebug.cpp
+++ b/src/qml/debugger/qqmldebug.cpp
@@ -42,6 +42,7 @@
 #include "qqmldebugserviceinterfaces_p.h"
 
 #include <private/qqmlengine_p.h>
+#include <private/qv4compileddata_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -181,12 +182,12 @@ bool QQmlDebuggingEnabler::startDebugConnector(const QString &pluginName,
     return connector ? connector->open(configuration) : false;
 }
 
-enum { HookCount = 3 };
+enum { HookCount = 4 };
 
 // Only add to the end, and bump version if you do.
 quintptr Q_QML_EXPORT qtDeclarativeHookData[] = {
     // Version of this Array. Bump if you add to end.
-    1,
+    2,
 
     // Number of entries in this array.
     HookCount,
@@ -194,7 +195,10 @@ quintptr Q_QML_EXPORT qtDeclarativeHookData[] = {
     // TypeInformationVersion, an integral value, bumped whenever private
     // object sizes or member offsets that are used in Qt Creator's
     // data structure "pretty printing" change.
-    2
+    3,
+
+    // Version of the cache data.
+    QV4_DATA_STRUCTURE_VERSION
 };
 
 Q_STATIC_ASSERT(HookCount == sizeof(qtDeclarativeHookData) / sizeof(qtDeclarativeHookData[0]));
diff --git a/src/qml/qml/qqmlimport.cpp b/src/qml/qml/qqmlimport.cpp
index c07d5c740a..ee5b38717b 100644
--- a/src/qml/qml/qqmlimport.cpp
+++ b/src/qml/qml/qqmlimport.cpp
@@ -210,7 +210,6 @@ QQmlType *fetchOrCreateTypeForUrl(const QString &urlString, const QHashedStringR
 
 } // namespace
 
-#if QT_CONFIG(library)
 struct RegisteredPlugin {
     QString uri;
     QPluginLoader* loader;
@@ -221,21 +220,23 @@ struct StringRegisteredPluginMap : public QMap<QString, RegisteredPlugin> {
 };
 
 Q_GLOBAL_STATIC(StringRegisteredPluginMap, qmlEnginePluginsWithRegisteredTypes); // stores the uri and the PluginLoaders
+
 void qmlClearEnginePlugins()
 {
     StringRegisteredPluginMap *plugins = qmlEnginePluginsWithRegisteredTypes();
     QMutexLocker lock(&plugins->mutex);
+#if QT_CONFIG(library)
     for (auto &plugin : qAsConst(*plugins)) {
         QPluginLoader* loader = plugin.loader;
         if (loader && !loader->unload())
             qWarning("Unloading %s failed: %s", qPrintable(plugin.uri), qPrintable(loader->errorString()));
         delete loader;
     }
+#endif
     plugins->clear();
 }
 
 typedef QPair<QStaticPlugin, QJsonArray> StaticPluginPair;
-#endif
 
 /*!
     \internal
@@ -332,10 +333,9 @@ public:
                                                       const QString &uri, const QString &url,
                                                       int vmaj, int vmin, QV4::CompiledData::Import::ImportType type,
                                                       QList<QQmlError> *errors, bool lowPrecedence = false);
-#if QT_CONFIG(library)
-   bool populatePluginPairVector(QVector<StaticPluginPair> &result, const QString &uri, const QStringList &versionUris,
+
+    bool populatePluginPairVector(QVector<StaticPluginPair> &result, const QString &uri, const QStringList &versionUris,
                                      const QString &qmldirPath, QList<QQmlError> *errors);
-#endif
 };
 
 /*!
@@ -959,7 +959,6 @@ static QStringList versionUriList(const QString &uri, int vmaj, int vmin)
     return result;
 }
 
-#if QT_CONFIG(library)
 static QVector<QStaticPlugin> makePlugins()
 {
     QVector<QStaticPlugin> plugins;
@@ -1009,7 +1008,6 @@ bool QQmlImportsPrivate::populatePluginPairVector(QVector<StaticPluginPair> &res
     }
     return true;
 }
-#endif
 
 #if defined(QT_SHARED) || !QT_CONFIG(library)
 static inline QString msgCannotLoadPlugin(const QString &uri, const QString &why)
@@ -1030,7 +1028,6 @@ bool QQmlImportsPrivate::importExtension(const QString &qmldirFilePath,
                                          const QQmlTypeLoaderQmldirContent *qmldir,
                                          QList<QQmlError> *errors)
 {
-#if QT_CONFIG(library)
     Q_ASSERT(qmldir);
 
     if (qmlImportTrace())
@@ -1143,22 +1140,6 @@ bool QQmlImportsPrivate::importExtension(const QString &qmldirFilePath,
 
         database->qmlDirFilesForWhichPluginsHaveBeenLoaded.insert(qmldirFilePath);
     }
-
-#else
-    Q_UNUSED(vmaj);
-    Q_UNUSED(vmin);
-    Q_UNUSED(database);
-    Q_UNUSED(qmldir);
-
-    if (errors) {
-        QQmlError error;
-        error.setDescription(msgCannotLoadPlugin(uri, QQmlImportDatabase::tr("library loading is disabled")));
-        error.setUrl(QUrl::fromLocalFile(qmldirFilePath));
-        errors->prepend(error);
-    }
-
-    return false;
-#endif // library
     return true;
 }
 
@@ -2014,7 +1995,6 @@ bool QQmlImportDatabase::registerPluginTypes(QObject *instance, const QString &b
 bool QQmlImportDatabase::importStaticPlugin(QObject *instance, const QString &basePath,
                                       const QString &uri, const QString &typeNamespace, int vmaj, QList<QQmlError> *errors)
 {
-#if QT_CONFIG(library)
     // Dynamic plugins are differentiated by their filepath. For static plugins we
     // don't have that information so we use their address as key instead.
     const QString uniquePluginID = QString::asprintf("%p", instance);
@@ -2050,15 +2030,6 @@ bool QQmlImportDatabase::importStaticPlugin(QObject *instance, const QString &ba
     }
 
     return true;
-#else
-    Q_UNUSED(instance);
-    Q_UNUSED(basePath);
-    Q_UNUSED(uri);
-    Q_UNUSED(typeNamespace);
-    Q_UNUSED(vmaj);
-    Q_UNUSED(errors);
-    return false;
-#endif
 }
 
 /*!
diff --git a/src/qml/qml/qqmltypeloader.cpp b/src/qml/qml/qqmltypeloader.cpp
index f4f04e12c0..68eb989c70 100644
--- a/src/qml/qml/qqmltypeloader.cpp
+++ b/src/qml/qml/qqmltypeloader.cpp
@@ -2407,6 +2407,7 @@ void QQmlTypeData::restoreIR(QQmlRefPointer<QV4::CompiledData::CompilationUnit>
     m_document.reset(new QmlIR::Document(isDebugging()));
     QmlIR::IRLoader loader(unit->data, m_document.data());
     loader.load();
+    m_document->jsModule.setFileName(finalUrlString());
     m_document->javaScriptCompilationUnit = unit;
     continueLoadFromIR();
 }
@@ -2507,6 +2508,8 @@ void QQmlTypeData::compile(const QQmlRefPointer<QQmlTypeNameCache> &typeNameCach
 {
     Q_ASSERT(m_compiledData.isNull());
 
+    const bool typeRecompilation = m_document && m_document->javaScriptCompilationUnit && m_document->javaScriptCompilationUnit->data->flags & QV4::CompiledData::Unit::PendingTypeCompilation;
+
     QQmlEnginePrivate * const enginePrivate = QQmlEnginePrivate::get(typeLoader()->engine());
     QQmlTypeCompiler compiler(enginePrivate, this, m_document.data(), typeNameCache, resolvedTypeCache);
     m_compiledData = compiler.compile();
@@ -2515,7 +2518,7 @@ void QQmlTypeData::compile(const QQmlRefPointer<QQmlTypeNameCache> &typeNameCach
         return;
     }
 
-    const bool trySaveToDisk = (!disableDiskCache() || forceDiskCache()) && !m_document->jsModule.debugMode;
+    const bool trySaveToDisk = (!disableDiskCache() || forceDiskCache()) && !m_document->jsModule.debugMode && !typeRecompilation;
     if (trySaveToDisk) {
         QString errorString;
         if (m_compiledData->saveToDisk(url(), &errorString)) {
diff --git a/src/qml/types/qqmldelegatemodel.cpp b/src/qml/types/qqmldelegatemodel.cpp
index a5878dcffd..34bc266cb5 100644
--- a/src/qml/types/qqmldelegatemodel.cpp
+++ b/src/qml/types/qqmldelegatemodel.cpp
@@ -837,10 +837,9 @@ void QQDMIncubationTask::statusChanged(Status status)
     } else if (isDoneIncubating(status)) {
         Q_ASSERT(incubating);
         // The model was deleted from under our feet, cleanup ourselves
-        if (incubating->object) {
-            delete incubating->object;
-
-            incubating->object = 0;
+        delete incubating->object;
+        incubating->object = 0;
+        if (incubating->contextData) {
             incubating->contextData->destroy();
             incubating->contextData = 0;
         }
diff --git a/src/quick/items/context2d/qquickcanvasitem.cpp b/src/quick/items/context2d/qquickcanvasitem.cpp
index 1167f408f5..a81ab619ac 100644
--- a/src/quick/items/context2d/qquickcanvasitem.cpp
+++ b/src/quick/items/context2d/qquickcanvasitem.cpp
@@ -44,6 +44,7 @@
 #include <private/qquickcontext2d_p.h>
 #include <private/qquickcontext2dtexture_p.h>
 #include <private/qsgadaptationlayer_p.h>
+#include <qsgtextureprovider.h>
 #include <QtQuick/private/qquickpixmapcache_p.h>
 #include <QtGui/QGuiApplication>
 
diff --git a/src/quick/items/context2d/qquickcontext2d.cpp b/src/quick/items/context2d/qquickcontext2d.cpp
index b9b701313e..cf34523693 100644
--- a/src/quick/items/context2d/qquickcontext2d.cpp
+++ b/src/quick/items/context2d/qquickcontext2d.cpp
@@ -42,7 +42,9 @@
 #include "qquickcanvasitem_p.h"
 #include <private/qquickcontext2dtexture_p.h>
 #include <private/qquickitem_p.h>
+#if QT_CONFIG(quick_shadereffect)
 #include <QtQuick/private/qquickshadereffectsource_p.h>
+#endif
 #include <qsgrendererinterface.h>
 
 #include <QtQuick/private/qsgcontext_p.h>
diff --git a/src/quick/items/qquickpainteditem_p.h b/src/quick/items/qquickpainteditem_p.h
index 742e786335..229fbf1007 100644
--- a/src/quick/items/qquickpainteditem_p.h
+++ b/src/quick/items/qquickpainteditem_p.h
@@ -52,6 +52,7 @@
 //
 
 #include "qquickitem_p.h"
+#include "qquickpainteditem.h"
 #include <QtGui/qcolor.h>
 
 QT_BEGIN_NAMESPACE
diff --git a/src/quick/items/qquickwindow.cpp b/src/quick/items/qquickwindow.cpp
index 4dc8cd0a37..e6245f90f3 100644
--- a/src/quick/items/qquickwindow.cpp
+++ b/src/quick/items/qquickwindow.cpp
@@ -2397,7 +2397,6 @@ void QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber *grabber, QEvent *e
         } else for (; grabItem != grabber->end(); grabItem = grabber->release(grabItem)) {
             QDragMoveEvent *moveEvent = static_cast<QDragMoveEvent *>(event);
             if (deliverDragEvent(grabber, **grabItem, moveEvent)) {
-                moveEvent->setAccepted(true);
                 for (++grabItem; grabItem != grabber->end();) {
                     QPointF p = (**grabItem)->mapFromScene(moveEvent->pos());
                     if ((**grabItem)->contains(p)) {
@@ -2472,7 +2471,10 @@ bool QQuickWindowPrivate::deliverDragEvent(QQuickDragGrabber *grabber, QQuickIte
                     event->keyboardModifiers(),
                     event->type());
             QQuickDropEventEx::copyActions(&translatedEvent, *event);
+            translatedEvent.setAccepted(event->isAccepted());
             QCoreApplication::sendEvent(item, &translatedEvent);
+            event->setAccepted(translatedEvent.isAccepted());
+            event->setDropAction(translatedEvent.dropAction());
             if (event->type() == QEvent::DragEnter) {
                 if (translatedEvent.isAccepted()) {
                     grabber->grab(item);
@@ -2593,9 +2595,14 @@ bool QQuickWindowPrivate::sendFilteredTouchEvent(QQuickItem *target, QQuickItem
                         qCDebug(DBG_TOUCH) << " - second chance intercepted on childMouseEventFilter by " << target;
                         if (t != QEvent::MouseButtonRelease) {
                             qCDebug(DBG_TOUCH_TARGET) << "TP" << tp.id() << "->" << target;
-                            touchMouseId = tp.id();
                             touchMouseDevice = event->device();
-                            touchMouseDevice->pointerEvent()->pointById(tp.id())->setGrabber(target);
+                            if (touchMouseId == -1) {
+                                // the point was grabbed as a pure touch point before, now it will be treated as mouse
+                                // but the old receiver still needs to be informed
+                                if (auto oldGrabber = touchMouseDevice->pointerEvent()->pointById(tp.id())->grabber())
+                                    oldGrabber->touchUngrabEvent();
+                            }
+                            touchMouseId = tp.id();
                             target->grabMouse();
                         }
                         filtered = true;
diff --git a/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderloop.cpp b/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderloop.cpp
index 6856d34616..b3b8274a73 100644
--- a/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderloop.cpp
+++ b/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderloop.cpp
@@ -101,7 +101,7 @@ void QSGSoftwareRenderLoop::windowDestroyed(QQuickWindow *window)
     }
 }
 
-void QSGSoftwareRenderLoop::renderWindow(QQuickWindow *window)
+void QSGSoftwareRenderLoop::renderWindow(QQuickWindow *window, bool isNewExpose)
 {
     QQuickWindowPrivate *cd = QQuickWindowPrivate::get(window);
     if (!m_windows.contains(window))
@@ -174,7 +174,10 @@ void QSGSoftwareRenderLoop::renderWindow(QQuickWindow *window)
 
     if (alsoSwap && window->isVisible()) {
         //Flush backingstore to window
-        m_backingStores[window]->flush(softwareRenderer->flushRegion());
+        if (!isNewExpose)
+            m_backingStores[window]->flush(softwareRenderer->flushRegion());
+        else
+            m_backingStores[window]->flush(QRegion(QRect(QPoint(0,0), window->size())));
         cd->fireFrameSwapped();
     }
 
@@ -206,7 +209,7 @@ void QSGSoftwareRenderLoop::exposureChanged(QQuickWindow *window)
 {
     if (window->isExposed()) {
         m_windows[window].updatePending = true;
-        renderWindow(window);
+        renderWindow(window, true);
     }
 }
 
diff --git a/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderloop_p.h b/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderloop_p.h
index 02dcf4eefa..c724d18298 100644
--- a/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderloop_p.h
+++ b/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderloop_p.h
@@ -69,7 +69,7 @@ public:
 
     void windowDestroyed(QQuickWindow *window) override;
 
-    void renderWindow(QQuickWindow *window);
+    void renderWindow(QQuickWindow *window, bool isNewExpose = false);
     void exposureChanged(QQuickWindow *window) override;
     QImage grab(QQuickWindow *window) override;
 
diff --git a/src/quick/scenegraph/qsgdefaultglyphnode.cpp b/src/quick/scenegraph/qsgdefaultglyphnode.cpp
index b856d99bc1..0d42102f36 100644
--- a/src/quick/scenegraph/qsgdefaultglyphnode.cpp
+++ b/src/quick/scenegraph/qsgdefaultglyphnode.cpp
@@ -42,11 +42,33 @@
 
 QT_BEGIN_NAMESPACE
 
+QSGDefaultGlyphNode::QSGDefaultGlyphNode()
+    : m_glyphNodeType(RootGlyphNode)
+    , m_dirtyGeometry(false)
+{
+    setFlag(UsePreprocess);
+}
+
+QSGDefaultGlyphNode::~QSGDefaultGlyphNode()
+{
+    if (m_glyphNodeType == SubGlyphNode)
+        return;
+
+    qDeleteAll(m_nodesToDelete);
+    m_nodesToDelete.clear();
+}
+
 void QSGDefaultGlyphNode::setMaterialColor(const QColor &color)
 {
     static_cast<QSGTextMaskMaterial *>(m_material)->setColor(color);
 }
 
+void QSGDefaultGlyphNode::setGlyphs(const QPointF &position, const QGlyphRun &glyphs)
+{
+    QSGBasicGlyphNode::setGlyphs(position, glyphs);
+    m_dirtyGeometry = true;
+}
+
 void QSGDefaultGlyphNode::update()
 {
     QRawFont font = m_glyphs.rawFont();
@@ -84,4 +106,110 @@ void QSGDefaultGlyphNode::update()
     markDirty(DirtyGeometry);
 }
 
+void QSGDefaultGlyphNode::preprocess()
+{
+    qDeleteAll(m_nodesToDelete);
+    m_nodesToDelete.clear();
+
+    if (m_dirtyGeometry)
+        updateGeometry();
+}
+
+void QSGDefaultGlyphNode::updateGeometry()
+{
+    // Remove previously created sub glyph nodes
+    // We assume all the children are sub glyph nodes
+    QSGNode *subnode = firstChild();
+    while (subnode) {
+        // We can't delete the node now as it might be in the preprocess list
+        // It will be deleted in the next preprocess
+        m_nodesToDelete.append(subnode);
+        subnode = subnode->nextSibling();
+    }
+    removeAllChildNodes();
+
+    GlyphInfo glyphInfo;
+
+    const QVector<quint32> indexes = m_glyphs.glyphIndexes();
+    const QVector<QPointF> positions = m_glyphs.positions();
+
+    const int maxGlyphs = (USHRT_MAX + 1) / 4; // 16384
+    const int maxVertices = maxGlyphs * 4; // 65536
+    const int maxIndexes = maxGlyphs * 6; // 98304
+
+    for (int i = 0; i < indexes.size(); ++i) {
+        const int glyphIndex = indexes.at(i);
+        const QPointF position = positions.at(i);
+
+        // As we use UNSIGNED_SHORT indexing in the geometry, we overload the
+        // "glyphsInOtherNodes" concept as overflow for if there are more than
+        // 65536 (16384 * 4) vertices to render which would otherwise exceed
+        // the maximum index size. This will cause sub-nodes to be recursively
+        // created to handle any number of glyphs.
+        if (i >= maxGlyphs) {
+            glyphInfo.indexes.append(glyphIndex);
+            glyphInfo.positions.append(position);
+            continue;
+        }
+    }
+
+    if (!glyphInfo.indexes.isEmpty()) {
+        QGlyphRun subNodeGlyphRun(m_glyphs);
+        subNodeGlyphRun.setGlyphIndexes(glyphInfo.indexes);
+        subNodeGlyphRun.setPositions(glyphInfo.positions);
+
+        QSGDefaultGlyphNode *subNode = new QSGDefaultGlyphNode();
+        subNode->setGlyphNodeType(SubGlyphNode);
+        subNode->setColor(m_color);
+        subNode->setStyle(m_style);
+        subNode->setStyleColor(m_styleColor);
+        subNode->setGlyphs(m_position, subNodeGlyphRun);
+        subNode->update();
+        subNode->updateGeometry(); // we have to explicitly call this now as preprocess won't be called before it's rendered
+        appendChildNode(subNode);
+
+        QSGGeometry *g = geometry();
+
+        QSGGeometry::TexturedPoint2D *vertexData = g->vertexDataAsTexturedPoint2D();
+        quint16 *indexData = g->indexDataAsUShort();
+
+        QVector<QSGGeometry::TexturedPoint2D> tempVertexData(maxVertices);
+        QVector<quint16> tempIndexData(maxIndexes);
+
+        for (int i = 0; i < maxGlyphs; i++) {
+            tempVertexData[i * 4 + 0] = vertexData[i * 4 + 0];
+            tempVertexData[i * 4 + 1] = vertexData[i * 4 + 1];
+            tempVertexData[i * 4 + 2] = vertexData[i * 4 + 2];
+            tempVertexData[i * 4 + 3] = vertexData[i * 4 + 3];
+
+            tempIndexData[i * 6 + 0] = indexData[i * 6 + 0];
+            tempIndexData[i * 6 + 1] = indexData[i * 6 + 1];
+            tempIndexData[i * 6 + 2] = indexData[i * 6 + 2];
+            tempIndexData[i * 6 + 3] = indexData[i * 6 + 3];
+            tempIndexData[i * 6 + 4] = indexData[i * 6 + 4];
+            tempIndexData[i * 6 + 5] = indexData[i * 6 + 5];
+        }
+
+        g->allocate(maxVertices, maxIndexes);
+        vertexData = g->vertexDataAsTexturedPoint2D();
+        indexData = g->indexDataAsUShort();
+
+        for (int i = 0; i < maxGlyphs; i++) {
+            vertexData[i * 4 + 0] = tempVertexData[i * 4 + 0];
+            vertexData[i * 4 + 1] = tempVertexData[i * 4 + 1];
+            vertexData[i * 4 + 2] = tempVertexData[i * 4 + 2];
+            vertexData[i * 4 + 3] = tempVertexData[i * 4 + 3];
+
+            indexData[i * 6 + 0] = tempIndexData[i * 6 + 0];
+            indexData[i * 6 + 1] = tempIndexData[i * 6 + 1];
+            indexData[i * 6 + 2] = tempIndexData[i * 6 + 2];
+            indexData[i * 6 + 3] = tempIndexData[i * 6 + 3];
+            indexData[i * 6 + 4] = tempIndexData[i * 6 + 4];
+            indexData[i * 6 + 5] = tempIndexData[i * 6 + 5];
+        }
+    }
+
+    m_dirtyGeometry = false;
+}
+
 QT_END_NAMESPACE
diff --git a/src/quick/scenegraph/qsgdefaultglyphnode_p.h b/src/quick/scenegraph/qsgdefaultglyphnode_p.h
index 0eb7a4e4bd..37a89c70b9 100644
--- a/src/quick/scenegraph/qsgdefaultglyphnode_p.h
+++ b/src/quick/scenegraph/qsgdefaultglyphnode_p.h
@@ -59,8 +59,31 @@ QT_BEGIN_NAMESPACE
 class QSGDefaultGlyphNode : public QSGBasicGlyphNode
 {
 public:
+    QSGDefaultGlyphNode();
+    ~QSGDefaultGlyphNode();
     void setMaterialColor(const QColor &color) override;
+    void setGlyphs(const QPointF &position, const QGlyphRun &glyphs) override;
     void update() override;
+    void preprocess() override;
+    void updateGeometry();
+
+private:
+    enum DefaultGlyphNodeType {
+        RootGlyphNode,
+        SubGlyphNode
+    };
+
+    void setGlyphNodeType(DefaultGlyphNodeType type) { m_glyphNodeType = type; }
+
+    DefaultGlyphNodeType m_glyphNodeType;
+    QLinkedList<QSGNode *> m_nodesToDelete;
+
+    struct GlyphInfo {
+        QVector<quint32> indexes;
+        QVector<QPointF> positions;
+    };
+
+    uint m_dirtyGeometry: 1;
 };
 
 QT_END_NAMESPACE
diff --git a/src/quick/util/qquickanimatorjob.cpp b/src/quick/util/qquickanimatorjob.cpp
index 4aacb09c97..89007cff1f 100644
--- a/src/quick/util/qquickanimatorjob.cpp
+++ b/src/quick/util/qquickanimatorjob.cpp
@@ -345,12 +345,13 @@ void QQuickTransformAnimatorJob::postSync()
     }
 
     QQuickItemPrivate *d = QQuickItemPrivate::get(m_target);
+#if QT_CONFIG(quick_shadereffect)
     if (d->extra.isAllocated()
             && d->extra->layer
             && d->extra->layer->enabled()) {
         d = QQuickItemPrivate::get(d->extra->layer->m_effectSource);
     }
-
+#endif
     m_helper->node = d->itemNode();
 }
 
diff --git a/src/quickwidgets/qquickwidget.cpp b/src/quickwidgets/qquickwidget.cpp
index 4ed41a0c6c..ea02723db8 100644
--- a/src/quickwidgets/qquickwidget.cpp
+++ b/src/quickwidgets/qquickwidget.cpp
@@ -1140,7 +1140,7 @@ QSize QQuickWidget::initialSize() const
 
 /*!
   Returns the view's root \l {QQuickItem} {item}. Can be null
-  when setContents/setSource has not been called, if they were called with
+  when setSource() has not been called, if it was called with
   broken QtQuick code or while the QtQuick contents are being created.
  */
 QQuickItem *QQuickWidget::rootObject() const
diff --git a/src/src.pro b/src/src.pro
index 4e2de8da14..24e139415b 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -10,7 +10,7 @@ qtHaveModule(gui):qtConfig(animation) {
         quick \
         qmltest
 
-    qtConfig(quick-sprite):qtConfig(opengl(es1|es2)?): \
+    qtConfig(quick-shadereffect):qtConfig(quick-sprite):qtConfig(opengl(es1|es2)?): \
         SUBDIRS += particles
     qtHaveModule(widgets): SUBDIRS += quickwidgets
 }