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#ifndef QOPENGLCONTEXT_PLATFORM_H
#define QOPENGLCONTEXT_PLATFORM_H

#ifndef QT_NO_OPENGL

#include <QtGui/qtguiglobal.h>
#include <QtGui/qopenglcontext.h>
#include <QtGui/qwindowdefs.h>

#if defined(Q_OS_MACOS)
Q_FORWARD_DECLARE_OBJC_CLASS(NSOpenGLContext);
#endif

#if defined(Q_OS_LINUX)
struct __GLXcontextRec; typedef struct __GLXcontextRec *GLXContext;
#endif
#if QT_CONFIG(egl)
typedef void *EGLContext;
typedef void *EGLDisplay;
#endif

QT_BEGIN_NAMESPACE

namespace QPlatformInterface {

#if defined(Q_OS_MACOS)
struct Q_GUI_EXPORT QCocoaGLContext
{
    QT_DECLARE_PLATFORM_INTERFACE(QCocoaGLContext)
    static QOpenGLContext *fromNative(QT_IGNORE_DEPRECATIONS(NSOpenGLContext) *, QOpenGLContext *shareContext = nullptr);
    virtual QT_IGNORE_DEPRECATIONS(NSOpenGLContext) *nativeContext() const = 0;
};
#endif

#if defined(Q_OS_WIN)
struct Q_GUI_EXPORT QWGLContext
{
    QT_DECLARE_PLATFORM_INTERFACE(QWGLContext)
    static HMODULE openGLModuleHandle();
    static QOpenGLContext *fromNative(HGLRC context, HWND window, QOpenGLContext *shareContext = nullptr);
    virtual HGLRC nativeContext() const = 0;
};
#endif

#if defined(Q_OS_LINUX)
struct Q_GUI_EXPORT QGLXContext
{
    QT_DECLARE_PLATFORM_INTERFACE(QGLXContext)
    static QOpenGLContext *fromNative(GLXContext configBasedContext, QOpenGLContext *shareContext = nullptr);
    static QOpenGLContext *fromNative(GLXContext visualBasedContext, void *visualInfo, QOpenGLContext *shareContext = nullptr);
    virtual GLXContext nativeContext() const = 0;
};
#endif

#if QT_CONFIG(egl)
struct Q_GUI_EXPORT QEGLContext
{
    QT_DECLARE_PLATFORM_INTERFACE(QEGLContext)
    static QOpenGLContext *fromNative(EGLContext context, EGLDisplay display, QOpenGLContext *shareContext = nullptr);
    virtual EGLContext nativeContext() const = 0;
};
#endif

} // QPlatformInterface

QT_END_NAMESPACE

#endif // QT_NO_OPENGL

#endif // QOPENGLCONTEXT_PLATFORM_H