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// Copyright (C) 2013 BlackBerry Limited. All rights reserved.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QQNXEGLWINDOW_H
#define QQNXEGLWINDOW_H
#include "qqnxwindow.h"
#include <QtCore/QMutex>
QT_BEGIN_NAMESPACE
class QQnxGLContext;
class QQnxEglWindow : public QQnxWindow
{
public:
QQnxEglWindow(QWindow *window, screen_context_t context, bool needRootWindow);
~QQnxEglWindow();
EGLSurface surface() const;
bool isInitialized() const;
void ensureInitialized(QQnxGLContext *context);
void setGeometry(const QRect &rect) override;
QSurfaceFormat format() const override { return m_format; }
protected:
int pixelFormat() const override;
void resetBuffers() override;
private:
void createEGLSurface(QQnxGLContext *context);
void destroyEGLSurface();
QSize m_requestedBufferSize;
// This mutex is used to protect access to the m_requestedBufferSize
// member. This member is used in conjunction with QQnxGLContext::requestNewSurface()
// to coordinate recreating the EGL surface which involves destroying any
// existing EGL surface; resizing the native window buffers; and creating a new
// EGL surface. All of this has to be done from the thread that is calling
// QQnxGLContext::makeCurrent()
mutable QMutex m_mutex;
QAtomicInt m_newSurfaceRequested;
EGLDisplay m_eglDisplay;
EGLConfig m_eglConfig;
EGLSurface m_eglSurface;
QSurfaceFormat m_format;
};
QT_END_NAMESPACE
#endif // QQNXEGLWINDOW_H
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