Integrate the OpenVG graphics system into Qt 4.6

This change also moves the EGL support classes from QtOpenGL to QtGui
so they can be shared between OpenGL and OpenVG.

1 files changed, 111 insertions, 0 deletions

diff --git a/src/gui/egl/qegl_qws.cpp b/src/gui/egl/qegl_qws.cpp
new file mode 100644
index 0000000..69eaf1b
--- /dev/null
+++ b/src/gui/egl/qegl_qws.cpp
@@ -0,0 +1,111 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui/qpaintdevice.h>
+#include <QtGui/qpixmap.h>
+#include <QtGui/qwidget.h>
+#include "qegl_p.h"
+
+#if !defined(QT_NO_EGL)
+
+#include <qscreen_qws.h>
+#include <qscreenproxy_qws.h>
+#include <qapplication.h>
+#include <qdesktopwidget.h>
+
+QT_BEGIN_NAMESPACE
+
+// Create the surface for a QPixmap, QImage, or QWidget.
+// We don't have QGLScreen to create EGL surfaces for us,
+// so surface creation needs to be done in QtOpenGL or
+// QtOpenVG for Qt/Embedded.
+bool QEglContext::createSurface(QPaintDevice *device, const QEglProperties *properties)
+{
+    Q_UNUSED(device);
+    Q_UNUSED(properties);
+    return false;
+}
+
+EGLDisplay QEglContext::getDisplay(QPaintDevice *device)
+{
+    Q_UNUSED(device);
+    return eglGetDisplay(EGLNativeDisplayType(EGL_DEFAULT_DISPLAY));
+}
+
+static QScreen *screenForDevice(QPaintDevice *device)
+{
+    QScreen *screen = qt_screen;
+    if (!screen)
+        return 0;
+    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();
+    }
+    return screen;
+}
+
+// Set pixel format and other properties based on a paint device.
+void QEglProperties::setPaintDeviceFormat(QPaintDevice *dev)
+{
+    if (!dev)
+        return;
+
+    // Find the QGLScreen for this paint device.
+    QScreen *screen = screenForDevice(dev);
+    if (!screen)
+        return;
+    int devType = dev->devType();
+    if (devType == QInternal::Image)
+        setPixelFormat(static_cast<QImage *>(dev)->format());
+    else
+        setPixelFormat(screen->pixelFormat());
+}
+
+QT_END_NAMESPACE
+
+#endif // !QT_NO_EGL