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-rw-r--r--demos/composition/composition.cpp44
1 files changed, 26 insertions, 18 deletions
diff --git a/demos/composition/composition.cpp b/demos/composition/composition.cpp
index d4cc164..24e9187 100644
--- a/demos/composition/composition.cpp
+++ b/demos/composition/composition.cpp
@@ -1,6 +1,7 @@
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
@@ -9,8 +10,8 @@
** 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.
+** contained in the Technology Preview License Agreement accompanying
+** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
@@ -20,21 +21,20 @@
** 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.
+** 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 qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
**
-** 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://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
@@ -377,7 +377,9 @@ void CompositionRenderer::paint(QPainter *painter)
p.setCompositionMode(QPainter::CompositionMode_Source);
p.fillRect(QRect(0, 0, m_pbuffer->width(), m_pbuffer->height()), Qt::transparent);
- p.save();
+ p.save(); // Needed when using the GL1 engine
+ p.beginNativePainting(); // Needed when using the GL2 engine
+
glBindTexture(GL_TEXTURE_2D, m_base_tex);
glEnable(GL_TEXTURE_2D);
glColor4f(1.,1.,1.,1.);
@@ -399,16 +401,21 @@ void CompositionRenderer::paint(QPainter *painter)
glEnd();
glDisable(GL_TEXTURE_2D);
- p.restore();
+
+ p.endNativePainting(); // Needed when using the GL2 engine
+ p.restore(); // Needed when using the GL1 engine
drawSource(p);
p.end();
m_pbuffer->updateDynamicTexture(m_compositing_tex);
}
- glWidget()->makeCurrent();
+ painter->beginNativePainting(); // Needed when using the GL2 engine
+ glWidget()->makeCurrent(); // Needed when using the GL1 engine
glBindTexture(GL_TEXTURE_2D, m_compositing_tex);
glEnable(GL_TEXTURE_2D);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
glColor4f(1.,1.,1.,1.);
glBegin(GL_QUADS);
{
@@ -426,6 +433,7 @@ void CompositionRenderer::paint(QPainter *painter)
}
glEnd();
glDisable(GL_TEXTURE_2D);
+ painter->endNativePainting(); // Needed when using the GL2 engine
} else
#endif
{