src/opengl/qglscreen_qws.h
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtOpenGL module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #ifndef QSCREENEGL_P_H
       
    43 #define QSCREENEGL_P_H
       
    44 
       
    45 //
       
    46 //  W A R N I N G
       
    47 //  -------------
       
    48 //
       
    49 // This file is not part of the Qt API.  It exists for the convenience
       
    50 // of the QScreenEGL class.  This header file may change from
       
    51 // version to version without notice, or even be removed.
       
    52 //
       
    53 // We mean it.
       
    54 //
       
    55 
       
    56 #include <QtGui/QScreen>
       
    57 #include <QtOpenGL/qgl.h>
       
    58 #if defined(QT_OPENGL_ES_2)
       
    59 #include <EGL/egl.h>
       
    60 #else
       
    61 #include <GLES/egl.h>
       
    62 #endif
       
    63 #if !defined(EGL_VERSION_1_3) && !defined(QEGL_NATIVE_TYPES_DEFINED)
       
    64 #undef EGLNativeWindowType
       
    65 #undef EGLNativePixmapType
       
    66 #undef EGLNativeDisplayType
       
    67 typedef NativeWindowType EGLNativeWindowType;
       
    68 typedef NativePixmapType EGLNativePixmapType;
       
    69 typedef NativeDisplayType EGLNativeDisplayType;
       
    70 #define QEGL_NATIVE_TYPES_DEFINED 1
       
    71 #endif
       
    72 
       
    73 QT_BEGIN_HEADER
       
    74 
       
    75 QT_BEGIN_NAMESPACE
       
    76 
       
    77 QT_MODULE(OpenGL)
       
    78 
       
    79 class QGLScreenPrivate;
       
    80 
       
    81 class Q_OPENGL_EXPORT QGLScreenSurfaceFunctions
       
    82 {
       
    83 public:
       
    84     virtual bool createNativeWindow(QWidget *widget, EGLNativeWindowType *native);
       
    85     virtual bool createNativePixmap(QPixmap *pixmap, EGLNativePixmapType *native);
       
    86     virtual bool createNativeImage(QImage *image, EGLNativePixmapType *native);
       
    87 };
       
    88 
       
    89 class Q_OPENGL_EXPORT QGLScreen : public QScreen
       
    90 {
       
    91     Q_DECLARE_PRIVATE(QGLScreen)
       
    92 public:
       
    93     QGLScreen(int displayId);
       
    94     virtual ~QGLScreen();
       
    95 
       
    96     enum Option
       
    97     {
       
    98         NoOptions       = 0,
       
    99         NativeWindows   = 1,
       
   100         NativePixmaps   = 2,
       
   101         NativeImages    = 4,
       
   102         Overlays        = 8
       
   103     };
       
   104     Q_DECLARE_FLAGS(Options, Option)
       
   105 
       
   106     QGLScreen::Options options() const;
       
   107 
       
   108     virtual bool chooseContext(QGLContext *context, const QGLContext *shareContext);
       
   109     virtual bool hasOpenGL() = 0;
       
   110 
       
   111     QGLScreenSurfaceFunctions *surfaceFunctions() const;
       
   112 
       
   113 protected:
       
   114     void setOptions(QGLScreen::Options value);
       
   115     void setSurfaceFunctions(QGLScreenSurfaceFunctions *functions);
       
   116 
       
   117 private:
       
   118     QGLScreenPrivate *d_ptr;
       
   119 };
       
   120 
       
   121 Q_DECLARE_OPERATORS_FOR_FLAGS(QGLScreen::Options)
       
   122 
       
   123 QT_END_NAMESPACE
       
   124 
       
   125 QT_END_HEADER
       
   126 
       
   127 #endif // QSCREENEGL_P_H