diff options
author | Simon Hausmann <simon.hausmann@theqtcompany.com> | 2015-04-10 14:22:58 +0200 |
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committer | Simon Hausmann <simon.hausmann@theqtcompany.com> | 2015-04-16 13:40:22 +0000 |
commit | 379342c64db71745edb2bf9a9a100fd1798dbf69 (patch) | |
tree | 70e319f5d341be5cb3e21c0b5f32cf339b5af858 /src/qml/qml/qqmlproperty.cpp | |
parent | b220a20552838fbafbbf126b9e50d148ae76518d (diff) |
Speed up copying of value types in bindings
When a binding results in a value type reference and the destination property
is of the same time, then we can avoid a heap allocation and just allocate
the value type memory on the stack, construct, copy and destruct.
Change-Id: If71ef82b0ced85c1b962c5e44147d6c07edd1440
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Diffstat (limited to 'src/qml/qml/qqmlproperty.cpp')
-rw-r--r-- | src/qml/qml/qqmlproperty.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/qml/qml/qqmlproperty.cpp b/src/qml/qml/qqmlproperty.cpp index 931adb9a13..ae452b727e 100644 --- a/src/qml/qml/qqmlproperty.cpp +++ b/src/qml/qml/qqmlproperty.cpp @@ -53,6 +53,7 @@ #include <QStringList> #include <private/qmetaobject_p.h> +#include <private/qqmlvaluetypewrapper_p.h> #include <QtCore/qdebug.h> Q_DECLARE_METATYPE(QList<int>) @@ -1519,6 +1520,11 @@ bool QQmlPropertyPrivate::writeBinding(QObject *object, QUICK_STORE(QString, result.toQStringNoThrow()) break; default: + if (const QV4::QQmlValueTypeWrapper *vtw = result.as<const QV4::QQmlValueTypeWrapper>()) { + if (vtw->d()->valueType->typeId == core.propType) { + return vtw->write(object, core.coreIndex); + } + } break; } } |