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-rw-r--r--src/3rdparty/masm/wtf/OSAllocatorPosix.cpp2
-rw-r--r--src/imports/layouts/qquickstacklayout.cpp22
-rw-r--r--src/imports/layouts/qquickstacklayout_p.h2
-rw-r--r--src/qml/jsruntime/qv4engine.cpp19
-rw-r--r--src/qml/jsruntime/qv4engine_p.h13
-rw-r--r--src/qml/jsruntime/qv4functionobject.cpp11
-rw-r--r--src/qml/jsruntime/qv4reflect.cpp5
-rw-r--r--src/qml/qml/qqmlincubator.cpp14
-rw-r--r--src/qml/qml/qqmlpropertycachecreator.cpp4
-rw-r--r--src/quick/handlers/qquickpinchhandler.cpp3
-rw-r--r--src/quick/items/qquickitemview.cpp2
-rw-r--r--src/quick/items/qquickwindow.cpp6
-rw-r--r--src/quick/scenegraph/coreapi/qsggeometry.h1
-rw-r--r--src/quick/scenegraph/qsgrhitextureglyphcache.cpp5
-rw-r--r--src/quickshapes/qquickshape.cpp8
15 files changed, 86 insertions, 31 deletions
diff --git a/src/3rdparty/masm/wtf/OSAllocatorPosix.cpp b/src/3rdparty/masm/wtf/OSAllocatorPosix.cpp
index d54b7e9492..b5c5f6a2b0 100644
--- a/src/3rdparty/masm/wtf/OSAllocatorPosix.cpp
+++ b/src/3rdparty/masm/wtf/OSAllocatorPosix.cpp
@@ -225,7 +225,7 @@ void OSAllocator::commit(void* address, size_t bytes, bool writable, bool execut
while (madvise(address, bytes, MADV_WILLNEED)) {
if (errno != EAGAIN)
- CRASH();
+ break; // We don't have to crash here. MADV_WILLNEED is only advisory
}
#elif HAVE(MADV_FREE_REUSE)
diff --git a/src/imports/layouts/qquickstacklayout.cpp b/src/imports/layouts/qquickstacklayout.cpp
index 1d67d2058d..d127488b82 100644
--- a/src/imports/layouts/qquickstacklayout.cpp
+++ b/src/imports/layouts/qquickstacklayout.cpp
@@ -171,6 +171,7 @@ void QQuickStackLayout::itemChange(QQuickItem::ItemChange change, const QQuickIt
QQuickLayout::itemChange(change, value);
if (change == ItemChildRemovedChange) {
+ m_cachedItemSizeHints.remove(value.item);
invalidate();
} else if (change == ItemChildAddedChange) {
invalidate();
@@ -254,11 +255,12 @@ void QQuickStackLayout::setAlignment(QQuickItem * /*item*/, Qt::Alignment /*alig
void QQuickStackLayout::invalidate(QQuickItem *childItem)
{
- const int indexOfChild = indexOf(childItem);
- if (indexOfChild >= 0 && indexOfChild < m_cachedItemSizeHints.count()) {
- m_cachedItemSizeHints[indexOfChild].min() = QSizeF();
- m_cachedItemSizeHints[indexOfChild].pref() = QSizeF();
- m_cachedItemSizeHints[indexOfChild].max() = QSizeF();
+ ensureLayoutItemsUpdated();
+ if (childItem) {
+ SizeHints &hints = m_cachedItemSizeHints[childItem];
+ hints.min() = QSizeF();
+ hints.pref() = QSizeF();
+ hints.max() = QSizeF();
}
for (int i = 0; i < Qt::NSizeHints; ++i)
@@ -284,7 +286,6 @@ void QQuickStackLayout::updateLayoutItems()
if (count != d->count) {
d->count = count;
emit countChanged();
- m_cachedItemSizeHints.resize(count);
}
for (int i = 0; i < count; ++i) {
QQuickItem *child = itemAt(i);
@@ -293,10 +294,13 @@ void QQuickStackLayout::updateLayoutItems()
}
}
-QQuickStackLayout::SizeHints &QQuickStackLayout::cachedItemSizeHints(int index) const {
- SizeHints &hints = m_cachedItemSizeHints[index];
+QQuickStackLayout::SizeHints &QQuickStackLayout::cachedItemSizeHints(int index) const
+{
+ QQuickItem *item = itemAt(index);
+ Q_ASSERT(item);
+ SizeHints &hints = m_cachedItemSizeHints[item]; // will create an entry if it doesn't exist
if (!hints.min().isValid())
- QQuickStackLayout::collectItemSizeHints(itemAt(index), hints.array);
+ QQuickStackLayout::collectItemSizeHints(item, hints.array);
return hints;
}
diff --git a/src/imports/layouts/qquickstacklayout_p.h b/src/imports/layouts/qquickstacklayout_p.h
index 5349adfa36..d8feecc11b 100644
--- a/src/imports/layouts/qquickstacklayout_p.h
+++ b/src/imports/layouts/qquickstacklayout_p.h
@@ -95,7 +95,7 @@ private:
QSizeF array[Qt::NSizeHints];
} SizeHints;
- mutable QVector<SizeHints> m_cachedItemSizeHints;
+ mutable QHash<QQuickItem*, SizeHints> m_cachedItemSizeHints;
mutable QSizeF m_cachedSizeHints[Qt::NSizeHints];
SizeHints &cachedItemSizeHints(int index) const;
};
diff --git a/src/qml/jsruntime/qv4engine.cpp b/src/qml/jsruntime/qv4engine.cpp
index f5dca60559..0a564fc6d5 100644
--- a/src/qml/jsruntime/qv4engine.cpp
+++ b/src/qml/jsruntime/qv4engine.cpp
@@ -1892,6 +1892,25 @@ int ExecutionEngine::maxGCStackSize() const
return m_maxGCStackSize;
}
+/*!
+ \internal
+ Returns \a length converted to int if its safe to
+ pass to \c Scope::alloc.
+ Otherwise it throws a RangeError, and returns 0.
+ */
+int ExecutionEngine::safeForAllocLength(qint64 len64)
+{
+ if (len64 < 0ll || len64 > qint64(std::numeric_limits<int>::max())) {
+ this->throwRangeError(QStringLiteral("Invalid array length."));
+ return 0;
+ }
+ if (len64 > qint64(this->jsStackLimit - this->jsStackTop)) {
+ this->throwRangeError(QStringLiteral("Array too large for apply()."));
+ return 0;
+ }
+ return len64;
+}
+
ReturnedValue ExecutionEngine::global()
{
return globalObject->asReturnedValue();
diff --git a/src/qml/jsruntime/qv4engine_p.h b/src/qml/jsruntime/qv4engine_p.h
index efe44a324c..dd6e6ed279 100644
--- a/src/qml/jsruntime/qv4engine_p.h
+++ b/src/qml/jsruntime/qv4engine_p.h
@@ -655,6 +655,7 @@ public:
int maxGCStackSize() const;
bool checkStackLimits();
+ int safeForAllocLength(qint64 len64);
bool canJIT(Function *f = nullptr)
{
@@ -723,6 +724,9 @@ public:
QQmlRefPointer<ExecutableCompilationUnit> loadModule(const QUrl &_url, const ExecutableCompilationUnit *referrer = nullptr);
private:
+ template<int Frames>
+ friend struct ExecutionEngineCallDepthRecorder;
+
#if QT_CONFIG(qml_debug)
QScopedPointer<QV4::Debugging::Debugger> m_debugger;
QScopedPointer<QV4::Profiling::Profiler> m_profiler;
@@ -753,14 +757,17 @@ private:
};
#define CHECK_STACK_LIMITS(v4) if ((v4)->checkStackLimits()) return Encode::undefined(); \
- ExecutionEngineCallDepthRecorder _executionEngineCallDepthRecorder(v4);
+ ExecutionEngineCallDepthRecorder<1> _executionEngineCallDepthRecorder(v4);
+template<int Frames = 1>
struct ExecutionEngineCallDepthRecorder
{
ExecutionEngine *ee;
- ExecutionEngineCallDepthRecorder(ExecutionEngine *e): ee(e) { ++ee->callDepth; }
- ~ExecutionEngineCallDepthRecorder() { --ee->callDepth; }
+ ExecutionEngineCallDepthRecorder(ExecutionEngine *e): ee(e) { ee->callDepth += Frames; }
+ ~ExecutionEngineCallDepthRecorder() { ee->callDepth -= Frames; }
+
+ bool hasOverflow() const { return ee->callDepth >= ExecutionEngine::maxCallDepth; }
};
inline bool ExecutionEngine::checkStackLimits()
diff --git a/src/qml/jsruntime/qv4functionobject.cpp b/src/qml/jsruntime/qv4functionobject.cpp
index cdb3b8942b..8dafe251e0 100644
--- a/src/qml/jsruntime/qv4functionobject.cpp
+++ b/src/qml/jsruntime/qv4functionobject.cpp
@@ -364,15 +364,10 @@ ReturnedValue FunctionPrototype::method_apply(const QV4::FunctionObject *b, cons
if (!arr)
return v4->throwTypeError();
- const qint64 len64 = arr->getLength();
- if (len64 < 0ll || len64 > qint64(std::numeric_limits<int>::max()))
- return v4->throwRangeError(QStringLiteral("Invalid array length."));
- if (len64 > qint64(v4->jsStackLimit - v4->jsStackTop))
- return v4->throwRangeError(QStringLiteral("Array too large for apply()."));
-
- const uint len = uint(len64);
-
Scope scope(v4);
+ const uint len = v4->safeForAllocLength(arr->getLength());
+ CHECK_EXCEPTION();
+
Value *arguments = scope.alloc<Scope::Uninitialized>(len);
if (len) {
if (ArgumentsObject::isNonStrictArgumentsObject(arr) && !arr->cast<ArgumentsObject>()->fullyCreated()) {
diff --git a/src/qml/jsruntime/qv4reflect.cpp b/src/qml/jsruntime/qv4reflect.cpp
index 2a6c61f044..39a0b03dec 100644
--- a/src/qml/jsruntime/qv4reflect.cpp
+++ b/src/qml/jsruntime/qv4reflect.cpp
@@ -76,7 +76,10 @@ struct CallArgs {
static CallArgs createListFromArrayLike(Scope &scope, const Object *o)
{
- int len = o->getLength();
+ int len = scope.engine->safeForAllocLength(o->getLength());
+ if (scope.engine->hasException)
+ return {nullptr, 0};
+
Value *arguments = scope.alloc(len);
for (int i = 0; i < len; ++i) {
diff --git a/src/qml/qml/qqmlincubator.cpp b/src/qml/qml/qqmlincubator.cpp
index 244f9ad292..3cbd5e17d2 100644
--- a/src/qml/qml/qqmlincubator.cpp
+++ b/src/qml/qml/qqmlincubator.cpp
@@ -279,6 +279,20 @@ void QQmlIncubatorPrivate::incubate(QQmlInstantiationInterrupt &i)
// get a copy of the engine pointer as it might get reset;
QQmlEnginePrivate *enginePriv = this->enginePriv;
+ // Incubating objects takes quite a bit more stack space than our usual V4 function
+ enum { EstimatedSizeInV4Frames = 2 };
+ QV4::ExecutionEngineCallDepthRecorder<EstimatedSizeInV4Frames> callDepthRecorder(
+ compilationUnit->engine);
+ if (callDepthRecorder.hasOverflow()) {
+ QQmlError error;
+ error.setMessageType(QtCriticalMsg);
+ error.setUrl(compilationUnit->url());
+ error.setDescription(QQmlComponent::tr("Maximum call stack size exceeded."));
+ errors << error;
+ progress = QQmlIncubatorPrivate::Completed;
+ goto finishIncubate;
+ }
+
if (!vmeGuard.isOK()) {
QQmlError error;
error.setMessageType(QtInfoMsg);
diff --git a/src/qml/qml/qqmlpropertycachecreator.cpp b/src/qml/qml/qqmlpropertycachecreator.cpp
index 1579fd3336..de02636d95 100644
--- a/src/qml/qml/qqmlpropertycachecreator.cpp
+++ b/src/qml/qml/qqmlpropertycachecreator.cpp
@@ -115,8 +115,10 @@ bool QQmlBindingInstantiationContext::resolveInstantiatingProperty()
return true;
}
+ if (!referencingObjectPropertyCache)
+ return false;
+
Q_ASSERT(referencingObjectIndex >= 0);
- Q_ASSERT(referencingObjectPropertyCache);
Q_ASSERT(instantiatingBinding->propertyNameIndex != 0);
bool notInRevision = false;
diff --git a/src/quick/handlers/qquickpinchhandler.cpp b/src/quick/handlers/qquickpinchhandler.cpp
index 7232f0bb2f..16cf2c8100 100644
--- a/src/quick/handlers/qquickpinchhandler.cpp
+++ b/src/quick/handlers/qquickpinchhandler.cpp
@@ -543,6 +543,9 @@ void QQuickPinchHandler::handlePointerEventImpl(QQuickPointerEvent *event)
The translation of the gesture \l centroid. It is \c (0, 0) when the
gesture begins.
+
+ \note On some touchpads, such as on a \macos trackpad, native gestures do
+ not generate any translation values, and this property stays at \c (0, 0).
*/
QT_END_NAMESPACE
diff --git a/src/quick/items/qquickitemview.cpp b/src/quick/items/qquickitemview.cpp
index f8ad168a17..29afaae93b 100644
--- a/src/quick/items/qquickitemview.cpp
+++ b/src/quick/items/qquickitemview.cpp
@@ -290,8 +290,6 @@ void QQuickItemView::setDelegate(QQmlComponent *delegate)
if (QQmlDelegateModel *dataModel = qobject_cast<QQmlDelegateModel*>(d->model)) {
int oldCount = dataModel->count();
dataModel->setDelegate(delegate);
- if (isComponentComplete())
- d->applyDelegateChange();
if (oldCount != dataModel->count())
emit countChanged();
}
diff --git a/src/quick/items/qquickwindow.cpp b/src/quick/items/qquickwindow.cpp
index 50b7a333c7..8ab69603ad 100644
--- a/src/quick/items/qquickwindow.cpp
+++ b/src/quick/items/qquickwindow.cpp
@@ -1494,7 +1494,11 @@ QQuickWindow::QQuickWindow(QQuickWindowPrivate &dd, QWindow *parent)
}
/*!
- \internal
+ Constructs a window for displaying a QML scene, whose rendering will
+ be controlled by the \a control object.
+ Please refer to QQuickRenderControl's documentation for more information.
+
+ \since 5.4
*/
QQuickWindow::QQuickWindow(QQuickRenderControl *control)
: QWindow(*(new QQuickWindowPrivate), nullptr)
diff --git a/src/quick/scenegraph/coreapi/qsggeometry.h b/src/quick/scenegraph/coreapi/qsggeometry.h
index d17915a842..685ac1cd95 100644
--- a/src/quick/scenegraph/coreapi/qsggeometry.h
+++ b/src/quick/scenegraph/coreapi/qsggeometry.h
@@ -202,6 +202,7 @@ public:
void setLineWidth(float w);
private:
+ Q_DISABLE_COPY_MOVE(QSGGeometry)
friend class QSGGeometryData;
int m_drawing_mode;
diff --git a/src/quick/scenegraph/qsgrhitextureglyphcache.cpp b/src/quick/scenegraph/qsgrhitextureglyphcache.cpp
index 89c9ea4d5b..c35d5b0705 100644
--- a/src/quick/scenegraph/qsgrhitextureglyphcache.cpp
+++ b/src/quick/scenegraph/qsgrhitextureglyphcache.cpp
@@ -233,7 +233,10 @@ void QSGRhiTextureGlyphCache::endFillTexture()
int QSGRhiTextureGlyphCache::glyphPadding() const
{
- return 1;
+ if (m_format == QFontEngine::Format_Mono)
+ return 8;
+ else
+ return 1;
}
int QSGRhiTextureGlyphCache::maxTextureWidth() const
diff --git a/src/quickshapes/qquickshape.cpp b/src/quickshapes/qquickshape.cpp
index bdfd5e3f76..f9c0968c7e 100644
--- a/src/quickshapes/qquickshape.cpp
+++ b/src/quickshapes/qquickshape.cpp
@@ -1522,6 +1522,7 @@ static void generateGradientColorTable(const QQuickShapeGradientCacheKey &gradie
{
int pos = 0;
const QGradientStops &s = gradient.stops;
+ Q_ASSERT(!s.isEmpty());
const bool colorInterpolation = true;
uint alpha = qRound(opacity * 256);
@@ -1559,8 +1560,6 @@ static void generateGradientColorTable(const QQuickShapeGradientCacheKey &gradie
current_color = next_color;
}
- Q_ASSERT(s.size() > 0);
-
uint last_color = ARGB2RGBA(qPremultiply(ARGB_COMBINE_ALPHA(s[sLast].second.rgba(), alpha)));
for ( ; pos < size; ++pos)
colorTable[pos] = last_color;
@@ -1595,7 +1594,10 @@ QSGTexture *QQuickShapeGradientCache::get(const QQuickShapeGradientCacheKey &gra
if (!tx) {
static const int W = 1024; // texture size is 1024x1
QImage gradTab(W, 1, QImage::Format_RGBA8888_Premultiplied);
- generateGradientColorTable(grad, reinterpret_cast<uint *>(gradTab.bits()), W, 1.0f);
+ if (!grad.stops.isEmpty())
+ generateGradientColorTable(grad, reinterpret_cast<uint *>(gradTab.bits()), W, 1.0f);
+ else
+ gradTab.fill(Qt::black);
tx = new QSGPlainTexture;
tx->setImage(gradTab);
switch (grad.spread) {