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Diffstat (limited to 'src/opengl/qgl_qws.cpp')
| -rw-r--r-- | src/opengl/qgl_qws.cpp | 364 |
1 files changed, 364 insertions, 0 deletions
diff --git a/src/opengl/qgl_qws.cpp b/src/opengl/qgl_qws.cpp new file mode 100644 index 0000000..cb9aa89 --- /dev/null +++ b/src/opengl/qgl_qws.cpp @@ -0,0 +1,364 @@ +/**************************************************************************** +** +** 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 "qgl.h" +#include "qgl_egl_p.h" + +#include <qglscreen_qws.h> +#include <qscreenproxy_qws.h> +#include <private/qglwindowsurface_qws_p.h> + +#include <private/qbackingstore_p.h> +#include <private/qfont_p.h> +#include <private/qfontengine_p.h> +#include <private/qgl_p.h> +#include <private/qpaintengine_opengl_p.h> +#include <qpixmap.h> +#include <qtimer.h> +#include <qapplication.h> +#include <qstack.h> +#include <qdesktopwidget.h> +#include <qdebug.h> +#include <qvarlengtharray.h> + +QT_BEGIN_NAMESPACE + +static QGLScreen *glScreenForDevice(QPaintDevice *device) +{ + QScreen *screen = qt_screen; + if (screen->classId() == QScreen::MultiClass) { + int screenNumber; + if (device && device->devType() == QInternal::Widget) + screenNumber = qApp->desktop()->screenNumber(static_cast<QWidget *>(device)); + else + screenNumber = 0; + screen = screen->subScreens()[screenNumber]; + } + while (screen->classId() == QScreen::ProxyClass) { + screen = static_cast<QProxyScreen *>(screen)->screen(); + } + if (screen->classId() == QScreen::GLClass) + return static_cast<QGLScreen *>(screen); + else + return 0; +} + +/***************************************************************************** + QOpenGL debug facilities + *****************************************************************************/ +//#define DEBUG_OPENGL_REGION_UPDATE + +bool QGLFormat::hasOpenGL() +{ + return true; +} + + +bool QGLFormat::hasOpenGLOverlays() +{ + QGLScreen *glScreen = glScreenForDevice(0); + if (glScreen) + return (glScreen->options() & QGLScreen::Overlays); + else + return false; +} + +void qt_egl_add_platform_config(QEglProperties& props, QPaintDevice *device) +{ + // Find the QGLScreen for this paint device. + QGLScreen *glScreen = glScreenForDevice(device); + if (!glScreen) { + qWarning("QGLContext::chooseContext(): The screen is not a QGLScreen"); + return; + } + int devType = device->devType(); + if (devType == QInternal::Image) + props.setPixelFormat(static_cast<QImage *>(device)->format()); + else + props.setPixelFormat(glScreen->pixelFormat()); +} + +bool QGLContext::chooseContext(const QGLContext* shareContext) +{ + Q_D(QGLContext); + + // Validate the device. + if (!device()) + return false; + int devType = device()->devType(); + if (devType != QInternal::Pixmap && devType != QInternal::Image && devType != QInternal::Widget) { + qWarning("QGLContext::chooseContext(): Cannot create QGLContext's for paint device type %d", devType); + return false; + } + + // Get the display and initialize it. + d->eglContext = new QEglContext(); + d->eglContext->setApi(QEglContext::OpenGL); + if (!d->eglContext->openDisplay(device())) { + delete d->eglContext; + d->eglContext = 0; + return false; + } + + // Construct the configuration we need for this surface. + QEglProperties configProps; + qt_egl_add_platform_config(configProps, device()); + qt_egl_set_format(configProps, devType, d->glFormat); + configProps.setRenderableType(QEglContext::OpenGL); + + // Search for a matching configuration, reducing the complexity + // each time until we get something that matches. + if (!d->eglContext->chooseConfig(configProps)) { + delete d->eglContext; + d->eglContext = 0; + return false; + } + + // Inform the higher layers about the actual format properties. + qt_egl_update_format(*(d->eglContext), d->glFormat); + + // Create a new context for the configuration. + if (!d->eglContext->createContext + (shareContext ? shareContext->d_func()->eglContext : 0)) { + delete d->eglContext; + d->eglContext = 0; + return false; + } + +#if defined(EGL_VERSION_1_1) + if (d->glFormat.swapInterval() != -1 && devType == QInternal::Widget) + eglSwapInterval(d->eglContext->display(), d->glFormat.swapInterval()); +#endif + + // Create the EGL surface to draw into. + if (!d->eglContext->createSurface(device())) { + delete d->eglContext; + d->eglContext = 0; + return false; + } + + return true; +} + + +void QGLContext::reset() +{ + Q_D(QGLContext); + if (!d->valid) + return; + d->cleanup(); + doneCurrent(); + if (d->eglContext) { + delete d->eglContext; + d->eglContext = 0; + } + d->crWin = false; + d->sharing = false; + d->valid = false; + d->transpColor = QColor(); + d->initDone = false; + qgl_share_reg()->removeShare(this); +} + +void QGLContext::makeCurrent() +{ + Q_D(QGLContext); + if(!d->valid || !d->eglContext) { + qWarning("QGLContext::makeCurrent(): Cannot make invalid context current"); + return; + } + + if (d->eglContext->makeCurrent()) { + if (!qgl_context_storage.hasLocalData() && QThread::currentThread()) + qgl_context_storage.setLocalData(new QGLThreadContext); + if (qgl_context_storage.hasLocalData()) + qgl_context_storage.localData()->context = this; + currentCtx = this; + } +} + +void QGLContext::doneCurrent() +{ + Q_D(QGLContext); + if (d->eglContext) + d->eglContext->doneCurrent(); + + if (qgl_context_storage.hasLocalData()) + qgl_context_storage.localData()->context = 0; + currentCtx = 0; +} + + +void QGLContext::swapBuffers() const +{ + Q_D(const QGLContext); + if(!d->valid || !d->eglContext) + return; + + d->eglContext->swapBuffers(); +} + +QColor QGLContext::overlayTransparentColor() const +{ + return QColor(0, 0, 0); // Invalid color +} + +uint QGLContext::colorIndex(const QColor &c) const +{ + //### color index doesn't work on egl + Q_UNUSED(c); + return 0; +} + +void QGLContext::generateFontDisplayLists(const QFont & fnt, int listBase) +{ + Q_UNUSED(fnt); + Q_UNUSED(listBase); +} + +void *QGLContext::getProcAddress(const QString &proc) const +{ + return (void*)eglGetProcAddress(reinterpret_cast<const char *>(proc.toLatin1().data())); +} + +bool QGLWidget::event(QEvent *e) +{ + return QWidget::event(e); +} + +void QGLWidget::setMouseTracking(bool enable) +{ + QWidget::setMouseTracking(enable); +} + + +void QGLWidget::resizeEvent(QResizeEvent *) +{ + Q_D(QGLWidget); + if (!isValid()) + return; + makeCurrent(); + if (!d->glcx->initialized()) + glInit(); + resizeGL(width(), height()); + //handle overlay +} + +const QGLContext* QGLWidget::overlayContext() const +{ + return 0; +} + +void QGLWidget::makeOverlayCurrent() +{ + //handle overlay +} + +void QGLWidget::updateOverlayGL() +{ + //handle overlay +} + +void QGLWidget::setContext(QGLContext *context, const QGLContext* shareContext, bool deleteOldContext) +{ + Q_D(QGLWidget); + if(context == 0) { + qWarning("QGLWidget::setContext: Cannot set null context"); + return; + } + + if(d->glcx) + d->glcx->doneCurrent(); + QGLContext* oldcx = d->glcx; + d->glcx = context; + if(!d->glcx->isValid()) + d->glcx->create(shareContext ? shareContext : oldcx); + if(deleteOldContext) + delete oldcx; +} + +void QGLWidgetPrivate::init(QGLContext *context, const QGLWidget* shareWidget) +{ + Q_Q(QGLWidget); + + QGLScreen *glScreen = glScreenForDevice(q); + if (glScreen) { + wsurf = static_cast<QWSGLWindowSurface*>(glScreen->createSurface(q)); + q->setWindowSurface(wsurf); + } + + initContext(context, shareWidget); + + if(q->isValid() && glcx->format().hasOverlay()) { + //no overlay + qWarning("QtOpenGL ES doesn't currently support overlays"); + } +} + +bool QGLWidgetPrivate::renderCxPm(QPixmap*) +{ + return false; +} + +void QGLWidgetPrivate::cleanupColormaps() +{ +} + +const QGLColormap & QGLWidget::colormap() const +{ + return d_func()->cmap; +} + +void QGLWidget::setColormap(const QGLColormap &) +{ +} + +void QGLExtensions::init() +{ + static bool init_done = false; + + if (init_done) + return; + init_done = true; + init_extensions(); +} + +QT_END_NAMESPACE |