--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbcore/image/hbeglstate.cpp Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,130 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (developer.feedback@nokia.com)
+**
+** This file is part of the HbCore module of the UI Extensions for Mobile.
+**
+** GNU Lesser General Public License Usage
+** 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 developer.feedback@nokia.com.
+**
+****************************************************************************/
+
+#include "hbeglstate_p.h"
+#include <QMutexLocker>
+
+Q_GLOBAL_STATIC(HbEglStates, instance)
+
+HbEglStates::HbEglStates( EGLDisplay d,
+ EGLSurface rs,
+ EGLSurface ds,
+ EGLContext c,
+ EGLConfig cfg )
+ : refCount(0),
+ init(0),
+ background(0)
+{
+ fgWatcher = HbForegroundWatcher::instance();
+ connect(fgWatcher, SIGNAL(foregroundLost()),
+ SLOT(handleForegroundLost()));
+ set(d, rs, ds, c, cfg);
+}
+
+HbEglStates::HbEglStates()
+ : refCount(0),
+ init(0),
+ background(0)
+{
+ fgWatcher = HbForegroundWatcher::instance();
+ connect(fgWatcher, SIGNAL(foregroundLost()),
+ SLOT(handleForegroundLost()));
+ reset();
+}
+
+void HbEglStates::handleForegroundLost()
+{
+ reset();
+ background = 1;
+ init = 0;
+ HbNVGEnginePool::instance()->resetNVGEngine();
+ clearImages();
+}
+
+void HbEglStates::handleForegroundGained()
+{
+ background = 0;
+}
+
+void HbEglStates::clearImages()
+{
+ if (!imageList.empty()) {
+ QMutexLocker locker(&mutex);
+ ImageListIter iter = imageList.begin();
+ for (; iter != imageList.end(); ++iter) {
+ VGImage * imgPtr = *iter;
+ if (*imgPtr) {
+ vgDestroyImage(*imgPtr);
+ *imgPtr = 0;
+ }
+ }
+ imageList.clear();
+ }
+}
+
+void HbEglStates::reset( EGLDisplay d,
+ EGLSurface rs,
+ EGLSurface ds,
+ EGLContext c,
+ EGLConfig cfg )
+{
+ display = d;
+ currentReadSurface = rs;
+ currentWriteSurface = ds;
+ eglContext = c;
+ eglConfig = cfg;
+}
+
+void HbEglStateRestorer::restore()
+{
+ if (restored) {
+ return;
+ }
+ if (eglContext != EGL_NO_CONTEXT && currentWriteSurface != EGL_NO_SURFACE) {
+ if (eglMakeCurrent(display, currentWriteSurface,
+ currentReadSurface, eglContext) == EGL_FALSE) {
+
+ } else {
+ restored = 1;
+ }
+ }
+}
+
+void HbEglStates::removeVGImage( VGImage * image )
+{
+ QMutexLocker locker(&mutex);
+ if (imageList.contains(image)) {
+ if (*image) {
+ vgDestroyImage(*image);
+ *image = 0;
+ }
+ imageList.remove(image);
+ }
+}
+
+HbEglStates * HbEglStates::global()
+{
+ return instance();
+}