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/*!
    \module QtOpenGL
    \title QtOpenGL Module
    \ingroup modules
    \ingroup technology-apis

    \brief The QtOpenGL module offers classes that make it easy to
    use OpenGL in Qt applications.

    OpenGL is a standard API for rendering 3D graphics. OpenGL only
    deals with 3D rendering and provides little or no support for GUI
    programming issues. The user interface for an OpenGL application
    must be created with another toolkit, such as Motif on the X
    platform, Microsoft Foundation Classes (MFC) under Windows, or Qt
    on both platforms.

    \note OpenGL is a trademark of Silicon Graphics, Inc. in
    the United States and other countries.

    The Qt OpenGL module makes it easy to use OpenGL in Qt applications.
    It provides an OpenGL widget class that can be used just like any
    other Qt widget, except that it opens an OpenGL display buffer where
    you can use the OpenGL API to render the contents.

    To include the definitions of the module's classes, use the
    following directive:

    \snippet code/doc_src_qtopengl.cpp 0

    To link against the module, add this line to your \l qmake \c
    .pro file:

    \snippet code/doc_src_qtopengl.pro 1

    The Qt OpenGL module is implemented as a platform-independent Qt/C++
    wrapper around the platform-dependent GLX (version 1.3 or later),
    WGL, or AGL C APIs. Although the basic functionality provided is very
    similar to Mark Kilgard's GLUT library, applications using the Qt
    OpenGL module can take advantage of the whole Qt API for
    non-OpenGL-specific GUI functionality.
*/