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Diffstat (limited to 'src/opengl/qglscreen_qws.cpp')
| -rw-r--r-- | src/opengl/qglscreen_qws.cpp | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/opengl/qglscreen_qws.cpp b/src/opengl/qglscreen_qws.cpp new file mode 100644 index 0000000000..a488b972c0 --- /dev/null +++ b/src/opengl/qglscreen_qws.cpp @@ -0,0 +1,242 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtOpenGL module 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QGLScreen> +#include <QGLContext> +#include <QGLWidget> +#include "private/qglwindowsurface_qws_p.h" + +QT_BEGIN_NAMESPACE + +class QGLScreenPrivate +{ +public: + QGLScreen::Options options; + QGLScreenSurfaceFunctions *functions; +}; + +/*! + \internal + \preliminary + \class QGLScreen + + \brief This class encapsulates an OpenGL screen driver. +*/ + +QGLScreen::QGLScreen(int displayId) + : QScreen(displayId, GLClass), d_ptr(new QGLScreenPrivate) +{ + d_ptr->options = NoOptions; + d_ptr->functions = new QGLScreenSurfaceFunctions(); +} + +QGLScreen::~QGLScreen() +{ + delete d_ptr->functions; + delete d_ptr; +} + +/*! + \since 4.3 + \obsolete + + Initializes the \a context and sets up the QGLWindowSurface of the + QWidget of \a context based on the parameters of \a context and + based on its own requirements. The format() of \a context needs + to be updated with the actual parameters of the OpenGLES drawable + that was set up. + + \a shareContext is used in the same way as for QGLContext. It is + the context with which \a context shares display lists and texture + ids etc. The window surface must be set up so that this sharing + works. + + Returns true in case of success and false if it is not possible to + create the necessary OpenGLES drawable/context. + + Since 4.4.2, this function will be not be called if options() + indicates that a native window or pixmap drawable can be created + via the functions in the surfaceFunctions() object. + + This function is obsolete in Qt 4.5 and higher. Use surfaceFunctions() + instead. + + \sa options(), surfaceFunctions() +*/ +bool +QGLScreen::chooseContext(QGLContext *context, const QGLContext *shareContext) +{ + Q_UNUSED(context); + Q_UNUSED(shareContext); + return false; +} + +/*! + \enum QGLScreen::Option + This enum defines options that can be set on QGLScreen instances. + + \value NoOptions There are no special options on the screen. This is the default. + \value NativeWindows Native windows can be created with QGLScreenSurfaceFunctions::createNativeWindow(). + \value NativePixmaps Native pixmaps can be created with QGLScreenSurfaceFunctions::createNativePixmap(). + \value NativeImages Native images can be created with QGLScreenSurfaceFunctions::createNativeImage(). + \value Overlays The screen supports GL overlays. +*/ + +/*! + \since 4.4.2 + + Returns the options associated with this QGLScreen. + + \sa setOptions() +*/ +QGLScreen::Options QGLScreen::options() const +{ + return d_ptr->options; +} + +/*! + \since 4.4.2 + + Sets the options associated with this QGLScreen to \a value. + + \sa options() +*/ +void QGLScreen::setOptions(QGLScreen::Options value) +{ + d_ptr->options = value; +} + +/*! + \since 4.4.2 + + Returns the surface functions object for this QGLScreen. + + \sa setSurfaceFunctions() +*/ +QGLScreenSurfaceFunctions *QGLScreen::surfaceFunctions() const +{ + return d_ptr->functions; +} + +/*! + \since 4.4.2 + + Sets the surface functions object for this QGLScreen to \a functions. + The QGLScreen will take over ownership of \a functions and delete + it when the QGLScreen is deleted. + + \sa setSurfaceFunctions() +*/ +void QGLScreen::setSurfaceFunctions(QGLScreenSurfaceFunctions *functions) +{ + if (functions && functions != d_ptr->functions) { + delete d_ptr->functions; + d_ptr->functions = functions; + } +} + +/*! + \internal + \preliminary + \class QGLScreenSurfaceFunctions + \brief The QGLScreenSurfaceFunctions class encapsulates the functions for creating native windows and pixmaps for OpenGL ES. +*/ + +/*! + \since 4.4.2 + + Creates a native OpenGLES drawable for the surface of \a widget and + returns it in \a native. Returns true if the OpenGLES drawable could + be created, or false if windows are not supported. + + This function will be called if the NativeWindows option is set on + the screen. + + \sa createNativePixmap(), createNativeImage(), QGLScreen::options() +*/ +bool QGLScreenSurfaceFunctions::createNativeWindow(QWidget *widget, EGLNativeWindowType *native) +{ + Q_UNUSED(widget); + Q_UNUSED(native); + return false; +} + +/*! + \since 4.4.2 + + Creates a native OpenGLES drawable for directly rendering into + \a pixmap and returns it in \a native. Returns true if the OpenGLES + drawable could be created, or false if direct rendering into pixmaps + is not supported. + + This function will be called if the NativePixmaps option is set on + the screen. + + \sa createNativeWindow(), createNativeImage(), QGLScreen::options() +*/ +bool QGLScreenSurfaceFunctions::createNativePixmap(QPixmap *pixmap, EGLNativePixmapType *native) +{ + Q_UNUSED(pixmap); + Q_UNUSED(native); + return false; +} + +/*! + \since 4.4.2 + + Creates a native OpenGLES drawable for directly rendering into + \a image and returns it in \a native. Returns true if the OpenGLES + drawable could be created, or false if direct rendering into images + is not supported. + + This function will be called if the NativeImages option is set on + the screen. + + \sa createNativeWindow(), createNativePixmap(), QGLScreen::options() +*/ +bool QGLScreenSurfaceFunctions::createNativeImage(QImage *image, EGLNativePixmapType *native) +{ + Q_UNUSED(image); + Q_UNUSED(native); + return false; +} + +QT_END_NAMESPACE |