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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QEGL_P_H
#define QEGL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience of
// the QtOpenGL and QtOpenVG modules. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/qsize.h>
#include <QtGui/qimage.h>
#include <private/qeglproperties_p.h>
QT_BEGIN_INCLUDE_NAMESPACE
#if !defined(EGL_VERSION_1_3) && !defined(QEGL_NATIVE_TYPES_DEFINED)
#undef EGLNativeWindowType
#undef EGLNativePixmapType
#undef EGLNativeDisplayType
typedef NativeWindowType EGLNativeWindowType;
typedef NativePixmapType EGLNativePixmapType;
typedef NativeDisplayType EGLNativeDisplayType;
#define QEGL_NATIVE_TYPES_DEFINED 1
#endif
QT_END_INCLUDE_NAMESPACE
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT QEglContext
{
public:
QEglContext();
~QEglContext();
bool isValid() const;
bool isCurrent() const;
bool isSharing() const { return sharing; }
QEgl::API api() const { return apiType; }
void setApi(QEgl::API api) { apiType = api; }
bool openDisplay(QPaintDevice *device);
bool chooseConfig(const QEglProperties& properties, QEgl::PixelFormatMatch match = QEgl::ExactPixelFormat);
bool createContext(QEglContext *shareContext = 0, const QEglProperties *properties = 0);
EGLSurface createSurface(QPaintDevice *device, const QEglProperties *properties = 0);
void destroySurface(EGLSurface surface);
void destroy();
bool makeCurrent(EGLSurface surface);
bool doneCurrent();
bool lazyDoneCurrent();
bool swapBuffers(EGLSurface surface);
void waitNative();
void waitClient();
bool configAttrib(int name, EGLint *value) const;
static void clearError() { eglGetError(); }
static EGLint error() { return eglGetError(); }
static QString errorString(EGLint code);
EGLDisplay display() const { return dpy; }
EGLContext context() const { return ctx; }
void setContext(EGLContext context) { ctx = context; ownsContext = false;}
EGLConfig config() const { return cfg; }
void setConfig(EGLConfig config) { cfg = config; }
QEglProperties configProperties(EGLConfig cfg = 0) const;
static EGLDisplay defaultDisplay(QPaintDevice *device);
void dumpAllConfigs();
static QString extensions();
static bool hasExtension(const char* extensionName);
private:
QEgl::API apiType;
EGLDisplay dpy;
EGLContext ctx;
EGLConfig cfg;
EGLSurface currentSurface;
bool current;
bool ownsContext;
bool sharing;
static EGLDisplay getDisplay(QPaintDevice *device);
static QEglContext *currentContext(QEgl::API api);
static void setCurrentContext(QEgl::API api, QEglContext *context);
};
QT_END_NAMESPACE
#endif // QEGL_P_H
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