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-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtQuick3D documentation of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:FDL$
-** GNU Free Documentation License
-** Alternatively, this file may be used under the terms of the GNU Free
-** Documentation License version 1.3 as published by the Free Software
-** Foundation and appearing in the file included in the packaging of
-** this file.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms
-** and conditions contained in a signed written agreement between you
-** and Nokia.
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-/*!
-\group qt3d::painting
-\title Qt3D Painting
-\keyword Qt3D Painting
-
-Porting between desktop OpenGL and embedded OpenGL/ES has traditionally
-been difficult. The usual sequence of operations for a drawing request
-in OpenGL consists of:
-
-\list
- \o Select an appropriate shader program, or fixed-function pipeline
- rendering options.
- \o Set or adjust the current projection and modelview matrices.
- \o Specify vertex, normal, texture co-ordinate, and other attribute arrays.
- \o Specify textures, variables, and other rendering objects needed
- by the shader program.
- \o Draw fragments: triangles, triangle fans, quads, etc.
- \o Disable the arrays, textures, and modes that were selected.
-\endlist
-
-Desktop OpenGL, OpenGL/ES 1.1, and OpenGL/ES 2.0 all posses functionality
-for the above, but they are all different. OpenGL/ES 2.0 in particular
-presents unique problems because it lacks a fixed-function pipeline mode
-to perform common painting operations.
-
-In Qt3D the QGLPainter class wraps OpenGL to present a consistent
-OpenGL painting API across all platforms. Shaders and fixed-function
-options are supplied as an instance of QGLAbstractEffect. Several
-built-in standard effects are provided for drawing with flat colors,
-material-based lighting, and simple texturing.
-
-\generatelist{related}
-*/