diff options
| -rw-r--r-- | src/gui/kernel/qapplication.cpp | 28 | ||||
| -rw-r--r-- | src/gui/kernel/qapplication.h | 4 | ||||
| -rw-r--r-- | src/gui/kernel/qapplication_p.h | 3 | ||||
| -rw-r--r-- | src/gui/kernel/qapplication_s60.cpp | 24 | ||||
| -rw-r--r-- | src/s60installs/eabi/QtGuiu.def | 7 |
5 files changed, 66 insertions, 0 deletions
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp index 34ce9a8213..34decefba5 100644 --- a/src/gui/kernel/qapplication.cpp +++ b/src/gui/kernel/qapplication.cpp @@ -3389,7 +3389,35 @@ QString QApplication::sessionKey() const } #endif +/*! + \since 4.7.4 + \fn void QApplication::aboutToReleaseGpuResources() + + This signal is emitted when application is about to release all + GPU resources accociated to contexts owned by application. + + The signal is particularly useful if your application has allocated + GPU resources directly apart from Qt and needs to do some last-second + cleanup. + + \warning This signal is only emitted on Symbian. + + \sa aboutToUseGpuResources() +*/ +/*! + \since 4.7.4 + \fn void QApplication::aboutToUseGpuResources() + + This signal is emitted when application is about to use GPU resources. + + The signal is particularly useful if your application needs to know + when GPU resources are be available. + + \warning This signal is only emitted on Symbian. + + \sa aboutToFreeGpuResources() +*/ /*! \since 4.2 diff --git a/src/gui/kernel/qapplication.h b/src/gui/kernel/qapplication.h index cbf0117f5b..32ff91bbb1 100644 --- a/src/gui/kernel/qapplication.h +++ b/src/gui/kernel/qapplication.h @@ -298,6 +298,10 @@ Q_SIGNALS: void commitDataRequest(QSessionManager &sessionManager); void saveStateRequest(QSessionManager &sessionManager); #endif +#ifdef Q_OS_SYMBIAN + void aboutToReleaseGpuResources(); + void aboutToUseGpuResources(); +#endif public: QString styleSheet() const; diff --git a/src/gui/kernel/qapplication_p.h b/src/gui/kernel/qapplication_p.h index 99822e27d1..abdee49966 100644 --- a/src/gui/kernel/qapplication_p.h +++ b/src/gui/kernel/qapplication_p.h @@ -523,6 +523,9 @@ public: int symbianResourceChange(const QSymbianEvent *symbianEvent); void _q_aboutToQuit(); + + void emitAboutToReleaseGpuResources(); + void emitAboutToUseGpuResources(); #endif #if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined (Q_WS_QWS) || defined(Q_WS_MAC) void sendSyntheticEnterLeave(QWidget *widget); diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp index a53d273ec4..5c657a43a4 100644 --- a/src/gui/kernel/qapplication_s60.cpp +++ b/src/gui/kernel/qapplication_s60.cpp @@ -207,6 +207,9 @@ void QS60Data::controlVisibilityChanged(CCoeControl *control, bool visible) if (QTLWExtra *topData = qt_widget_private(window)->maybeTopData()) { QWidgetBackingStoreTracker &backingStore = topData->backingStore; if (visible) { + QApplicationPrivate *d = QApplicationPrivate::instance(); + d->emitAboutToUseGpuResources(); + if (backingStore.data()) { backingStore.registerWidget(widget); } else { @@ -216,6 +219,9 @@ void QS60Data::controlVisibilityChanged(CCoeControl *control, bool visible) widget->repaint(); } } else { + QApplicationPrivate *d = QApplicationPrivate::instance(); + d->emitAboutToReleaseGpuResources(); + // In certain special scenarios we may get an ENotVisible event // without a previous EPartiallyVisible. The backingstore must // still be destroyed, hence the registerWidget() call below. @@ -2704,6 +2710,24 @@ void QApplicationPrivate::_q_aboutToQuit() #endif } +void QApplicationPrivate::emitAboutToReleaseGpuResources() +{ +#ifdef Q_SYMBIAN_SUPPORTS_SURFACES + Q_Q(QApplication); + QPointer<QApplication> guard(q); + emit q->aboutToReleaseGpuResources(); +#endif +} + +void QApplicationPrivate::emitAboutToUseGpuResources() +{ +#ifdef Q_SYMBIAN_SUPPORTS_SURFACES + Q_Q(QApplication); + QPointer<QApplication> guard(q); + emit q->aboutToUseGpuResources(); +#endif +} + QS60ThreadLocalData::QS60ThreadLocalData() { CCoeEnv *env = CCoeEnv::Static(); diff --git a/src/s60installs/eabi/QtGuiu.def b/src/s60installs/eabi/QtGuiu.def index 6028a6df6e..723fcf65a7 100644 --- a/src/s60installs/eabi/QtGuiu.def +++ b/src/s60installs/eabi/QtGuiu.def @@ -12198,4 +12198,11 @@ EXPORTS _ZNK11QPixmapData15toVolatileImageEv @ 12197 NONAME _ZNK14QVolatileImage13constImageRefEv @ 12198 NONAME _Z43qt_s60_setPartialScreenAutomaticTranslationb @ 12199 NONAME + _ZN11QTextEngine16getClusterLengthEPtPK17HB_CharAttributesiiiPi @ 12200 NONAME + _ZN11QTextEngine18positionInLigatureEPK11QScriptItemi6QFixedS3_ib @ 12201 NONAME + _ZN12QApplication22aboutToUseGpuResourcesEv @ 12202 NONAME + _ZN12QApplication26aboutToReleaseGpuResourcesEv @ 12203 NONAME + _ZN14QWidgetPrivate16_q_cleanupWinIdsEv @ 12204 NONAME + _ZN19QApplicationPrivate26emitAboutToUseGpuResourcesEv @ 12205 NONAME + _ZN19QApplicationPrivate30emitAboutToReleaseGpuResourcesEv @ 12206 NONAME |