diff options
Diffstat (limited to 'src/plugins/graphicssystems/meego/qmeegographicssystem.cpp')
| -rw-r--r-- | src/plugins/graphicssystems/meego/qmeegographicssystem.cpp | 534 |
1 files changed, 534 insertions, 0 deletions
diff --git a/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp new file mode 100644 index 0000000000..fdb72de648 --- /dev/null +++ b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp @@ -0,0 +1,534 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the plugins 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 <QDebug> +#include <private/qpixmap_raster_p.h> +#include <private/qwindowsurface_gl_p.h> +#include <private/qwindowsurface_raster_p.h> +#include <private/qegl_p.h> +#include <private/qglextensions_p.h> +#include <private/qgl_p.h> +#include <private/qimagepixmapcleanuphooks_p.h> +#include <private/qapplication_p.h> +#include <private/qgraphicssystem_runtime_p.h> +#include <private/qimage_p.h> +#include <private/qeglproperties_p.h> +#include <private/qeglcontext_p.h> +#include <private/qpixmap_x11_p.h> + +#include "qmeegopixmapdata.h" +#include "qmeegolivepixmapdata.h" +#include "qmeegographicssystem.h" +#include "qmeegoextensions.h" + +#include <QTimer> + +bool QMeeGoGraphicsSystem::surfaceWasCreated = false; + +QHash <Qt::HANDLE, QPixmap*> QMeeGoGraphicsSystem::liveTexturePixmaps; + +QList<QMeeGoSwitchCallback> QMeeGoGraphicsSystem::switchCallbacks; + +QMeeGoGraphicsSystem::SwitchPolicy QMeeGoGraphicsSystem::switchPolicy = QMeeGoGraphicsSystem::AutomaticSwitch; + +QMeeGoGraphicsSystem::QMeeGoGraphicsSystem() +{ + qDebug("Using the meego graphics system"); +} + +QMeeGoGraphicsSystem::~QMeeGoGraphicsSystem() +{ + qDebug("Meego graphics system destroyed"); + qt_destroy_gl_share_widget(); +} + +class QMeeGoGraphicsSystemSwitchHandler : public QObject +{ + Q_OBJECT +public: + QMeeGoGraphicsSystemSwitchHandler(); + + void addWidget(QWidget *widget); + bool eventFilter(QObject *, QEvent *); + + void handleMapNotify(); + +private slots: + void removeWidget(QObject *object); + void switchToRaster(); + void switchToMeeGo(); + +private: + int visibleWidgets() const; + +private: + QList<QWidget *> m_widgets; +}; + +typedef bool(*QX11FilterFunction)(XEvent *event); +Q_GUI_EXPORT void qt_installX11EventFilter(QX11FilterFunction func); + +static bool x11EventFilter(XEvent *event); + +QMeeGoGraphicsSystemSwitchHandler::QMeeGoGraphicsSystemSwitchHandler() +{ + qt_installX11EventFilter(x11EventFilter); +} + +void QMeeGoGraphicsSystemSwitchHandler::addWidget(QWidget *widget) +{ + if (widget != qt_gl_share_widget() && !m_widgets.contains(widget)) { + widget->installEventFilter(this); + connect(widget, SIGNAL(destroyed(QObject *)), this, SLOT(removeWidget(QObject *))); + m_widgets << widget; + } +} + +void QMeeGoGraphicsSystemSwitchHandler::handleMapNotify() +{ + if (m_widgets.isEmpty() && QMeeGoGraphicsSystem::switchPolicy == QMeeGoGraphicsSystem::AutomaticSwitch) + QTimer::singleShot(0, this, SLOT(switchToMeeGo())); +} + +void QMeeGoGraphicsSystemSwitchHandler::removeWidget(QObject *object) +{ + m_widgets.removeOne(static_cast<QWidget *>(object)); + if (m_widgets.isEmpty() && QMeeGoGraphicsSystem::switchPolicy == QMeeGoGraphicsSystem::AutomaticSwitch) + QTimer::singleShot(0, this, SLOT(switchToRaster())); +} + +void QMeeGoGraphicsSystemSwitchHandler::switchToRaster() +{ + QMeeGoGraphicsSystem::switchToRaster(); +} + +void QMeeGoGraphicsSystemSwitchHandler::switchToMeeGo() +{ + QMeeGoGraphicsSystem::switchToMeeGo(); +} + +int QMeeGoGraphicsSystemSwitchHandler::visibleWidgets() const +{ + int count = 0; + for (int i = 0; i < m_widgets.size(); ++i) + count += m_widgets.at(i)->isVisible() && !(m_widgets.at(i)->windowState() & Qt::WindowMinimized); + return count; +} + +bool QMeeGoGraphicsSystemSwitchHandler::eventFilter(QObject *object, QEvent *event) +{ + if (event->type() == QEvent::WindowStateChange + && QMeeGoGraphicsSystem::switchPolicy == QMeeGoGraphicsSystem::AutomaticSwitch) + { + QWindowStateChangeEvent *change = static_cast<QWindowStateChangeEvent *>(event); + QWidget *widget = static_cast<QWidget *>(object); + + Qt::WindowStates current = widget->windowState(); + Qt::WindowStates old = change->oldState(); + + // did minimized flag change? + if ((current ^ old) & Qt::WindowMinimized) { + if (current & Qt::WindowMinimized) { + if (visibleWidgets() == 0) + QMeeGoGraphicsSystem::switchToRaster(); + } else { + if (visibleWidgets() > 0) + QMeeGoGraphicsSystem::switchToMeeGo(); + } + } + } + + // resume processing of event + return false; +} + +Q_GLOBAL_STATIC(QMeeGoGraphicsSystemSwitchHandler, switch_handler) + +bool x11EventFilter(XEvent *event) +{ + if (event->type == MapNotify) + switch_handler()->handleMapNotify(); + return false; +} + +QWindowSurface* QMeeGoGraphicsSystem::createWindowSurface(QWidget *widget) const +{ + QGLWidget *shareWidget = qt_gl_share_widget(); + + if (!shareWidget) + return new QRasterWindowSurface(widget); + + QGLShareContextScope ctx(shareWidget->context()); + + if (QApplicationPrivate::instance()->graphics_system_name == QLatin1String("runtime")) + switch_handler()->addWidget(widget); + + QMeeGoGraphicsSystem::surfaceWasCreated = true; + QWindowSurface *surface = new QGLWindowSurface(widget); + return surface; +} + +QPixmapData *QMeeGoGraphicsSystem::createPixmapData(QPixmapData::PixelType type) const +{ + return new QRasterPixmapData(type); +} + +QPixmapData *QMeeGoGraphicsSystem::createPixmapData(QPixmapData *origin) +{ + // If the pixmap is a raster type... + // and if the pixmap pointer matches our mapping... + // create a shared image instead with the given handle. + + if (!origin->isNull() && origin->classId() == QPixmapData::RasterClass) { + QRasterPixmapData *rasterClass = static_cast <QRasterPixmapData *> (origin); + void *rawResource = static_cast <void *> (rasterClass->buffer()->data_ptr()->data); + + if (QMeeGoPixmapData::sharedImagesMap.contains(rawResource)) + return new QMeeGoPixmapData(); + } + + return new QRasterPixmapData(origin->pixelType()); +} + +QPixmapData* QMeeGoGraphicsSystem::wrapPixmapData(QPixmapData *pmd) +{ + QString name = QApplicationPrivate::instance()->graphics_system_name; + if (name == "runtime") { + QRuntimeGraphicsSystem *rsystem = (QRuntimeGraphicsSystem *) QApplicationPrivate::instance()->graphics_system; + QRuntimePixmapData *rt = new QRuntimePixmapData(rsystem, pmd->pixelType());; + rt->m_data = pmd; + rt->readBackInfo(); + rsystem->m_pixmapDatas << rt; + return rt; + } else + return pmd; +} + +void QMeeGoGraphicsSystem::setSurfaceFixedSize(int /*width*/, int /*height*/) +{ + if (QMeeGoGraphicsSystem::surfaceWasCreated) { + qWarning("Trying to set surface fixed size but surface already created!"); + return; + } + +#ifdef QT_WAS_PATCHED + QEglProperties *properties = new QEglProperties(); + properties->setValue(EGL_FIXED_WIDTH_NOK, width); + properties->setValue(EGL_FIXED_HEIGHT_NOK, height); + QGLContextPrivate::setExtraWindowSurfaceCreationProps(properties); +#endif +} + +void QMeeGoGraphicsSystem::setSurfaceScaling(int x, int y, int width, int height) +{ + QMeeGoExtensions::ensureInitialized(); + QMeeGoExtensions::eglSetSurfaceScalingNOK(QEgl::display(), QEglContext::currentContext(QEgl::OpenGL)->currentSurface, x, y, width, height); +} + +void QMeeGoGraphicsSystem::setTranslucent(bool translucent) +{ + if (QMeeGoGraphicsSystem::surfaceWasCreated) { + qWarning("Trying to set translucency but surface already created!"); + return; + } + + QGLWindowSurface::surfaceFormat.setSampleBuffers(false); + QGLWindowSurface::surfaceFormat.setSamples(0); + QGLWindowSurface::surfaceFormat.setAlpha(translucent); +} + +QPixmapData *QMeeGoGraphicsSystem::pixmapDataFromEGLSharedImage(Qt::HANDLE handle, const QImage &softImage) +{ + if (softImage.format() != QImage::Format_ARGB32_Premultiplied && + softImage.format() != QImage::Format_RGB32) { + qFatal("For egl shared images, the soft image has to be ARGB32_Premultiplied or RGB32"); + return NULL; + } + + if (QMeeGoGraphicsSystem::meeGoRunning()) { + QMeeGoPixmapData *pmd = new QMeeGoPixmapData; + pmd->fromEGLSharedImage(handle, softImage); + return QMeeGoGraphicsSystem::wrapPixmapData(pmd); + } else { + QRasterPixmapData *pmd = new QRasterPixmapData(QPixmapData::PixmapType); + pmd->fromImage(softImage, Qt::NoFormatConversion); + + // Make sure that the image was not converted in any way + if (pmd->buffer()->data_ptr()->data != + const_cast<QImage &>(softImage).data_ptr()->data) + qFatal("Iternal misalignment of raster data detected. Prolly a QImage copy fail."); + + QMeeGoPixmapData::registerSharedImage(handle, softImage); + return QMeeGoGraphicsSystem::wrapPixmapData(pmd); + } +} + +void QMeeGoGraphicsSystem::updateEGLSharedImagePixmap(QPixmap *pixmap) +{ + QMeeGoPixmapData *pmd = (QMeeGoPixmapData *) pixmap->pixmapData(); + + // Basic sanity check to make sure this is really a QMeeGoPixmapData... + if (pmd->classId() != QPixmapData::OpenGLClass) + qFatal("Trying to updated EGLSharedImage pixmap but it's not really a shared image pixmap!"); + + pmd->updateFromSoftImage(); +} + +QPixmapData *QMeeGoGraphicsSystem::pixmapDataWithGLTexture(int w, int h) +{ + QGLPixmapData *pmd = new QGLPixmapData(QPixmapData::PixmapType); + pmd->resize(w, h); + return QMeeGoGraphicsSystem::wrapPixmapData(pmd); +} + +bool QMeeGoGraphicsSystem::meeGoRunning() +{ + return runningGraphicsSystemName() == "meego"; +} + +QPixmapData* QMeeGoGraphicsSystem::pixmapDataWithNewLiveTexture(int w, int h, QImage::Format format) +{ + return new QMeeGoLivePixmapData(w, h, format); +} + +QPixmapData* QMeeGoGraphicsSystem::pixmapDataFromLiveTextureHandle(Qt::HANDLE handle) +{ + return new QMeeGoLivePixmapData(handle); +} + +QImage* QMeeGoGraphicsSystem::lockLiveTexture(QPixmap* pixmap, void* fenceSync) +{ + QMeeGoLivePixmapData *pixmapData = static_cast<QMeeGoLivePixmapData*>(pixmap->data_ptr().data()); + return pixmapData->lock(fenceSync); +} + +bool QMeeGoGraphicsSystem::releaseLiveTexture(QPixmap *pixmap, QImage *image) +{ + QMeeGoLivePixmapData *pixmapData = static_cast<QMeeGoLivePixmapData*>(pixmap->data_ptr().data()); + return pixmapData->release(image); +} + +Qt::HANDLE QMeeGoGraphicsSystem::getLiveTextureHandle(QPixmap *pixmap) +{ + QMeeGoLivePixmapData *pixmapData = static_cast<QMeeGoLivePixmapData*>(pixmap->data_ptr().data()); + return pixmapData->handle(); +} + +void* QMeeGoGraphicsSystem::createFenceSync() +{ + QGLShareContextScope ctx(qt_gl_share_widget()->context()); + QMeeGoExtensions::ensureInitialized(); + return QMeeGoExtensions::eglCreateSyncKHR(QEgl::display(), EGL_SYNC_FENCE_KHR, NULL); +} + +void QMeeGoGraphicsSystem::destroyFenceSync(void *fenceSync) +{ + QGLShareContextScope ctx(qt_gl_share_widget()->context()); + QMeeGoExtensions::ensureInitialized(); + QMeeGoExtensions::eglDestroySyncKHR(QEgl::display(), fenceSync); +} + +QString QMeeGoGraphicsSystem::runningGraphicsSystemName() +{ + if (!QApplicationPrivate::instance()) { + qWarning("Querying graphics system but application not running yet!"); + return QString(); + } + + QString name = QApplicationPrivate::instance()->graphics_system_name; + if (name == QLatin1String("runtime")) { + QRuntimeGraphicsSystem *rsystem = (QRuntimeGraphicsSystem *) QApplicationPrivate::instance()->graphics_system; + name = rsystem->graphicsSystemName(); + } + + return name; +} + +void QMeeGoGraphicsSystem::switchToMeeGo() +{ + if (switchPolicy == NoSwitch || meeGoRunning()) + return; + + if (QApplicationPrivate::instance()->graphics_system_name != QLatin1String("runtime")) + qWarning("Can't switch to meego - switching only supported with 'runtime' graphics system."); + else { + triggerSwitchCallbacks(0, "meego"); + + QApplication *app = static_cast<QApplication *>(QCoreApplication::instance()); + app->setGraphicsSystem(QLatin1String("meego")); + + triggerSwitchCallbacks(1, "meego"); + } +} + +void QMeeGoGraphicsSystem::switchToRaster() +{ + if (switchPolicy == NoSwitch || runningGraphicsSystemName() == QLatin1String("raster")) + return; + + if (QApplicationPrivate::instance()->graphics_system_name != QLatin1String("runtime")) + qWarning("Can't switch to raster - switching only supported with 'runtime' graphics system."); + else { + triggerSwitchCallbacks(0, "raster"); + + QApplication *app = static_cast<QApplication *>(QCoreApplication::instance()); + app->setGraphicsSystem(QLatin1String("raster")); + + QMeeGoLivePixmapData::invalidateSurfaces(); + + triggerSwitchCallbacks(1, "raster"); + } +} + +void QMeeGoGraphicsSystem::registerSwitchCallback(QMeeGoSwitchCallback callback) +{ + switchCallbacks << callback; +} + +void QMeeGoGraphicsSystem::triggerSwitchCallbacks(int type, const char *name) +{ + for (int i = 0; i < switchCallbacks.size(); ++i) + switchCallbacks.at(i)(type, name); +} + +/* C API */ + +int qt_meego_image_to_egl_shared_image(const QImage &image) +{ + return QMeeGoPixmapData::imageToEGLSharedImage(image); +} + +QPixmapData* qt_meego_pixmapdata_from_egl_shared_image(Qt::HANDLE handle, const QImage &softImage) +{ + return QMeeGoGraphicsSystem::pixmapDataFromEGLSharedImage(handle, softImage); +} + +QPixmapData* qt_meego_pixmapdata_with_gl_texture(int w, int h) +{ + return QMeeGoGraphicsSystem::pixmapDataWithGLTexture(w, h); +} + +bool qt_meego_destroy_egl_shared_image(Qt::HANDLE handle) +{ + return QMeeGoPixmapData::destroyEGLSharedImage(handle); +} + +void qt_meego_set_surface_fixed_size(int width, int height) +{ + QMeeGoGraphicsSystem::setSurfaceFixedSize(width, height); +} + +void qt_meego_set_surface_scaling(int x, int y, int width, int height) +{ + QMeeGoGraphicsSystem::setSurfaceScaling(x, y, width, height); +} + +void qt_meego_set_translucent(bool translucent) +{ + QMeeGoGraphicsSystem::setTranslucent(translucent); +} + +void qt_meego_update_egl_shared_image_pixmap(QPixmap *pixmap) +{ + QMeeGoGraphicsSystem::updateEGLSharedImagePixmap(pixmap); +} + +QPixmapData* qt_meego_pixmapdata_with_new_live_texture(int w, int h, QImage::Format format) +{ + return QMeeGoGraphicsSystem::pixmapDataWithNewLiveTexture(w, h, format); +} + +QPixmapData* qt_meego_pixmapdata_from_live_texture_handle(Qt::HANDLE handle) +{ + return QMeeGoGraphicsSystem::pixmapDataFromLiveTextureHandle(handle); +} + +QImage* qt_meego_live_texture_lock(QPixmap *pixmap, void *fenceSync) +{ + return QMeeGoGraphicsSystem::lockLiveTexture(pixmap, fenceSync); +} + +bool qt_meego_live_texture_release(QPixmap *pixmap, QImage *image) +{ + return QMeeGoGraphicsSystem::releaseLiveTexture(pixmap, image); +} + +Qt::HANDLE qt_meego_live_texture_get_handle(QPixmap *pixmap) +{ + return QMeeGoGraphicsSystem::getLiveTextureHandle(pixmap); +} + +void* qt_meego_create_fence_sync(void) +{ + return QMeeGoGraphicsSystem::createFenceSync(); +} + +void qt_meego_destroy_fence_sync(void* fs) +{ + return QMeeGoGraphicsSystem::destroyFenceSync(fs); +} + +void qt_meego_invalidate_live_surfaces(void) +{ + return QMeeGoLivePixmapData::invalidateSurfaces(); +} + +void qt_meego_switch_to_raster(void) +{ + QMeeGoGraphicsSystem::switchToRaster(); +} + +void qt_meego_switch_to_meego(void) +{ + QMeeGoGraphicsSystem::switchToMeeGo(); +} + +void qt_meego_register_switch_callback(QMeeGoSwitchCallback callback) +{ + QMeeGoGraphicsSystem::registerSwitchCallback(callback); +} + +void qt_meego_set_switch_policy(int policy) +{ + QMeeGoGraphicsSystem::switchPolicy = QMeeGoGraphicsSystem::SwitchPolicy(policy); +} + +#include "qmeegographicssystem.moc" |