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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qeglfsintegration.h"
#include "qeglfswindow.h"
#include "qeglfsbackingstore.h"
#include "qeglfshooks.h"
#include <QtGui/private/qguiapplication_p.h>
#include <QtPlatformSupport/private/qgenericunixfontdatabase_p.h>
#include <QtPlatformSupport/private/qgenericunixeventdispatcher_p.h>
#include <QtPlatformSupport/private/qeglconvenience_p.h>
#include <QtPlatformSupport/private/qeglplatformcontext_p.h>
#include <QtPlatformSupport/private/qeglpbuffer_p.h>
#if !defined(QT_NO_EVDEV) && !defined(Q_OS_ANDROID)
#include <QtPlatformSupport/private/qevdevmousemanager_p.h>
#include <QtPlatformSupport/private/qevdevkeyboardmanager_p.h>
#include <QtPlatformSupport/private/qevdevtouch_p.h>
#endif
#include <qpa/qplatformwindow.h>
#include <QtGui/QSurfaceFormat>
#include <QtGui/QOpenGLContext>
#include <QtGui/QScreen>
#include <QtGui/QOffscreenSurface>
#include <qpa/qplatformcursor.h>
#include "qeglfscontext.h"
#include <EGL/egl.h>
QT_BEGIN_NAMESPACE
QEglFSIntegration::QEglFSIntegration()
: mEventDispatcher(createUnixEventDispatcher()), mFontDb(new QGenericUnixFontDatabase())
{
QGuiApplicationPrivate::instance()->setEventDispatcher(mEventDispatcher);
#if !defined(QT_NO_EVDEV) && !defined(Q_OS_ANDROID)
new QEvdevKeyboardManager(QLatin1String("EvdevKeyboard"), QString() /* spec */, this);
new QEvdevMouseManager(QLatin1String("EvdevMouse"), QString() /* spec */, this);
new QEvdevTouchScreenHandlerThread(QString() /* spec */, this);
#endif
QEglFSHooks::hooks()->platformInit();
EGLint major, minor;
if (!eglBindAPI(EGL_OPENGL_ES_API)) {
qWarning("Could not bind GL_ES API\n");
qFatal("EGL error");
}
mDisplay = eglGetDisplay(QEglFSHooks::hooks() ? QEglFSHooks::hooks()->platformDisplay() : EGL_DEFAULT_DISPLAY);
if (mDisplay == EGL_NO_DISPLAY) {
qWarning("Could not open egl display\n");
qFatal("EGL error");
}
if (!eglInitialize(mDisplay, &major, &minor)) {
qWarning("Could not initialize egl display\n");
qFatal("EGL error");
}
int swapInterval = 1;
QByteArray swapIntervalString = qgetenv("QT_QPA_EGLFS_SWAPINTERVAL");
if (!swapIntervalString.isEmpty()) {
bool ok;
swapInterval = swapIntervalString.toInt(&ok);
if (!ok)
swapInterval = 1;
}
eglSwapInterval(mDisplay, swapInterval);
mScreen = new QEglFSScreen(mDisplay);
screenAdded(mScreen);
}
QEglFSIntegration::~QEglFSIntegration()
{
delete mScreen;
eglTerminate(mDisplay);
QEglFSHooks::hooks()->platformDestroy();
}
bool QEglFSIntegration::hasCapability(QPlatformIntegration::Capability cap) const
{
// We assume that devices will have more and not less capabilities
if (QEglFSHooks::hooks() && QEglFSHooks::hooks()->hasCapability(cap))
return true;
switch (cap) {
case ThreadedPixmaps: return true;
case OpenGL: return true;
case ThreadedOpenGL: return true;
default: return QPlatformIntegration::hasCapability(cap);
}
}
QPlatformWindow *QEglFSIntegration::createPlatformWindow(QWindow *window) const
{
QPlatformWindow *w = new QEglFSWindow(window);
w->requestActivateWindow();
return w;
}
QPlatformBackingStore *QEglFSIntegration::createPlatformBackingStore(QWindow *window) const
{
return new QEglFSBackingStore(window);
}
QPlatformOpenGLContext *QEglFSIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const
{
return new QEglFSContext(QEglFSHooks::hooks()->surfaceFormatFor(context->format()), context->shareHandle(), mDisplay);
}
QPlatformOffscreenSurface *QEglFSIntegration::createPlatformOffscreenSurface(QOffscreenSurface *surface) const
{
QEglFSScreen *screen = static_cast<QEglFSScreen *>(surface->screen()->handle());
return new QEGLPbuffer(screen->display(), QEglFSHooks::hooks()->surfaceFormatFor(surface->requestedFormat()), surface);
}
QPlatformFontDatabase *QEglFSIntegration::fontDatabase() const
{
return mFontDb;
}
QAbstractEventDispatcher *QEglFSIntegration::guiThreadEventDispatcher() const
{
return mEventDispatcher;
}
QVariant QEglFSIntegration::styleHint(QPlatformIntegration::StyleHint hint) const
{
if (hint == QPlatformIntegration::ShowIsFullScreen)
return true;
return QPlatformIntegration::styleHint(hint);
}
QPlatformNativeInterface *QEglFSIntegration::nativeInterface() const
{
return const_cast<QEglFSIntegration *>(this);
}
void *QEglFSIntegration::nativeResourceForIntegration(const QByteArray &resource)
{
QByteArray lowerCaseResource = resource.toLower();
if (lowerCaseResource == "egldisplay")
return static_cast<QEglFSScreen *>(mScreen)->display();
return 0;
}
void *QEglFSIntegration::nativeResourceForContext(const QByteArray &resource, QOpenGLContext *context)
{
QByteArray lowerCaseResource = resource.toLower();
QEGLPlatformContext *handle = static_cast<QEGLPlatformContext *>(context->handle());
if (!handle)
return 0;
if (lowerCaseResource == "eglcontext")
return handle->eglContext();
return 0;
}
EGLConfig QEglFSIntegration::chooseConfig(EGLDisplay display, const QSurfaceFormat &format)
{
class Chooser : public QEglConfigChooser {
public:
Chooser(EGLDisplay display, QEglFSHooks *hooks)
: QEglConfigChooser(display)
, m_hooks(hooks)
{
}
protected:
bool filterConfig(EGLConfig config) const
{
return m_hooks->filterConfig(display(), config) && QEglConfigChooser::filterConfig(config);
}
private:
QEglFSHooks *m_hooks;
};
Chooser chooser(display, QEglFSHooks::hooks());
chooser.setSurfaceFormat(format);
return chooser.chooseConfig();
}
QT_END_NAMESPACE
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