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39
40#ifndef QPLATFORMOPENGLCONTEXT_H
41#define QPLATFORMOPENGLCONTEXT_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is part of the QPA API and is not meant to be used
48// in applications. Usage of this API may make your code
49// source and binary incompatible with future versions of Qt.
50//
51
52#include <QtGui/qtguiglobal.h>
53#include <QtCore/qnamespace.h>
54
55#ifndef QT_NO_OPENGL
56
57#include <QtGui/qsurfaceformat.h>
58#include <QtGui/qwindow.h>
59#include <QtGui/qopengl.h>
60#include <QtGui/qopenglcontext.h>
61
62QT_BEGIN_NAMESPACE
63
64
65class QPlatformOpenGLContextPrivate;
66
67class Q_GUI_EXPORT QPlatformOpenGLContext
68{
69 Q_DECLARE_PRIVATE(QPlatformOpenGLContext)
70public:
71 QPlatformOpenGLContext();
72 virtual ~QPlatformOpenGLContext();
73
74 virtual void initialize();
75
76 virtual QSurfaceFormat format() const = 0;
77
78 virtual void swapBuffers(QPlatformSurface *surface) = 0;
79
80 virtual GLuint defaultFramebufferObject(QPlatformSurface *surface) const;
81
82 virtual bool makeCurrent(QPlatformSurface *surface) = 0;
83 virtual void doneCurrent() = 0;
84
85 virtual bool isSharing() const { return false; }
86 virtual bool isValid() const { return true; }
87
88 virtual QFunctionPointer getProcAddress(const char *procName) = 0;
89
90 QOpenGLContext *context() const;
91
92 static bool parseOpenGLVersion(const QByteArray &versionString, int &major, int &minor);
93
94private:
95 friend class QOpenGLContext;
96 friend class QOpenGLContextPrivate;
97
98 QScopedPointer<QPlatformOpenGLContextPrivate> d_ptr;
99
100 void setContext(QOpenGLContext *context);
101
102 Q_DISABLE_COPY(QPlatformOpenGLContext)
103};
104
105template <typename NativeInterface>
106NativeInterface *QOpenGLContext::nativeInterface() const
107{
108 return dynamic_cast<NativeInterface*>(handle());
109}
110
111namespace QNativeInterface::Private {
112
113#if defined(Q_OS_MACOS)
114struct Q_GUI_EXPORT QCocoaGLIntegration
115{
116 QT_DECLARE_NATIVE_INTERFACE(QCocoaGLIntegration)
117 virtual QOpenGLContext *createOpenGLContext(NSOpenGLContext *, QOpenGLContext *shareContext) const = 0;
118};
119#endif
120
121#if defined(Q_OS_WIN)
122struct Q_GUI_EXPORT QWindowsGLIntegration
123{
124 QT_DECLARE_NATIVE_INTERFACE(QWindowsGLIntegration)
125 virtual HMODULE openGLModuleHandle() const = 0;
126 virtual QOpenGLContext *createOpenGLContext(HGLRC context, HWND window, QOpenGLContext *shareContext) const = 0;
127};
128#endif
129
130#if defined(Q_OS_LINUX)
131struct Q_GUI_EXPORT QGLXIntegration
132{
133 QT_DECLARE_NATIVE_INTERFACE(QGLXIntegration)
134 virtual QOpenGLContext *createOpenGLContext(GLXContext context, void *visualInfo, QOpenGLContext *shareContext) const = 0;
135};
136#endif
137
138#if QT_CONFIG(egl)
139struct Q_GUI_EXPORT QEGLIntegration
140{
141 QT_DECLARE_NATIVE_INTERFACE(QEGLIntegration)
142 virtual QOpenGLContext *createOpenGLContext(EGLContext context, EGLDisplay display, QOpenGLContext *shareContext) const = 0;
143};
144#endif
145
146} // QNativeInterface::Private
147
148QT_END_NAMESPACE
149
150#endif // QT_NO_OPENGL
151
152#endif // QPLATFORMOPENGLCONTEXT_H
153