/*  This file is part of the KDE project.+
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+
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    Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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+
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    This library is free software: you can redistribute it and/or modify+
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    it under the terms of the GNU Lesser General Public License as published by+
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    the Free Software Foundation, either version 2.1 or 3 of the License.+
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+
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    This library is distributed in the hope that it will be useful,+
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    but WITHOUT ANY WARRANTY; without even the implied warranty of+
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the+
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    GNU Lesser General Public License for more details.+
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+
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    You should have received a copy of the GNU Lesser General Public License+
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    along with this library.  If not, see <http://www.gnu.org/licenses/>.+
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*/+
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+
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#ifndef Phonon_GSTREAMER_GLRENDERER_H+
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#define Phonon_GSTREAMER_GLRENDERER_H+
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+
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#include "videowidget.h"+
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#include "common.h"+
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+
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#ifndef QT_NO_OPENGL+
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+
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#include <QtOpenGL/QGLFormat>+
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#include <QtOpenGL/QGLWidget>+
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+
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#ifndef QT_OPENGL_ES+
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QT_BEGIN_NAMESPACE+
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+
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class QString;+
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+
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namespace Phonon+
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{+
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namespace Gstreamer+
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{+
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class GLRenderWidgetImplementation;+
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+
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class GLRenderer : public AbstractRenderer+
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{+
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public:+
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    GLRenderer(VideoWidget *control);+
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    ~GLRenderer();+
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    void handleMediaNodeEvent(const MediaNodeEvent *event);+
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    bool eventFilter(QEvent * event);+
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    bool paintsOnWidget() { return false; }+
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private:+
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    GLRenderWidgetImplementation *m_glWindow;+
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};+
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+
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class GLRenderWidgetImplementation : public QGLWidget+
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{+
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    Q_OBJECT+
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+
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    // ARB_fragment_program+
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    typedef void (*_glProgramStringARB) (GLenum, GLenum, GLsizei, const GLvoid *);+
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    typedef void (*_glBindProgramARB) (GLenum, GLuint);+
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    typedef void (*_glDeleteProgramsARB) (GLsizei, const GLuint *);+
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    typedef void (*_glGenProgramsARB) (GLsizei, GLuint *);+
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    typedef void (*_glActiveTexture) (GLenum);+
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public:+
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    GLRenderWidgetImplementation(VideoWidget *control, const QGLFormat &format);+
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    void paintEvent(QPaintEvent *event);+
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    GstElement *createVideoSink();+
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    void updateTexture(const QByteArray &array, int width, int height);+
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    bool hasYUVSupport() const;+
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    const QImage& currentFrame() const;+
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    QRect drawFrameRect() const { return m_drawFrameRect; }+
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    bool frameIsSet() const { return !m_array.isNull(); }+
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    void setNextFrame(const QByteArray &array, int width, int height);+
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    void clearFrame();+
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private:+
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    _glProgramStringARB glProgramStringARB;+
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    _glBindProgramARB glBindProgramARB;+
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    _glDeleteProgramsARB glDeleteProgramsARB;+
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    _glGenProgramsARB glGenProgramsARB;+
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    _glActiveTexture glActiveTexture;+
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+
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    mutable QImage m_frame;+
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    QByteArray m_array;+
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    int m_width;+
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    int m_height;+
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    QRect m_drawFrameRect;+
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    GLuint m_texture[3];+
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+
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    bool m_hasPrograms;+
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    GLuint m_program;+
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    bool m_yuvSupport;+
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    VideoWidget *m_videoWidget;+
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};+
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+
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}+
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} //namespace Phonon::Gstreamer+
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+
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QT_END_NAMESPACE+
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+
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#endif //QT_OPENGL_ES+
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#endif // QT_NO_OPENGL+
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+
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#endif // Phonon_GSTREAMER_GLRENDERER_H+
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