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3** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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29** GNU General Public License Usage
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40****************************************************************************/
41
42#ifndef QWINDOWSURFACE_GL_P_H
43#define QWINDOWSURFACE_GL_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 QLibrary 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 <qglobal.h>
57#include <qgl.h>
58#include <private/qwindowsurface_p.h>
59#include <private/qglpaintdevice_p.h>
60
61QT_BEGIN_NAMESPACE
62
63class QPaintDevice;
64class QPoint;
65class QRegion;
66class QWidget;
67struct QGLWindowSurfacePrivate;
68
69Q_OPENGL_EXPORT QGLWidget* qt_gl_share_widget();
70Q_OPENGL_EXPORT void qt_destroy_gl_share_widget();
71bool qt_initializing_gl_share_widget();
72
73class QGLWindowSurfaceGLPaintDevice : public QGLPaintDevice
74{
75public:
76 QPaintEngine* paintEngine() const;
77 QSize size() const;
78 int metric(PaintDeviceMetric m) const;
79 QGLContext* context() const;
80 QGLWindowSurfacePrivate* d;
81};
82
83class Q_OPENGL_EXPORT QGLWindowSurface : public QObject, public QWindowSurface // , public QPaintDevice
84{
85 Q_OBJECT
86public:
87 QGLWindowSurface(QWidget *window);
88 ~QGLWindowSurface();
89
90 QPaintDevice *paintDevice();
91 void flush(QWidget *widget, const QRegion &region, const QPoint &offset);
92
93#if !defined(Q_WS_QPA)
94 void setGeometry(const QRect &rect);
95#else
96 virtual void resize(const QSize &size);
97#endif
98
99 void updateGeometry();
100 bool scroll(const QRegion &area, int dx, int dy);
101
102 void beginPaint(const QRegion &region);
103 void endPaint(const QRegion &region);
104
105 QImage *buffer(const QWidget *widget);
106
107 WindowSurfaceFeatures features() const;
108
109 QGLContext *context() const;
110
111 static QGLFormat surfaceFormat;
112
113 enum SwapMode { AutomaticSwap, AlwaysFullSwap, AlwaysPartialSwap, KillSwap };
114 static SwapMode swapBehavior;
115
116private slots:
117 void deleted(QObject *object);
118
119private:
120 void hijackWindow(QWidget *widget);
121 bool initializeOffscreenTexture(const QSize &size);
122
123 QGLWindowSurfacePrivate *d_ptr;
124};
125
126QT_END_NAMESPACE
127
128#endif // QWINDOWSURFACE_GL_P_H
129
130