qioscontext.h - mozsearch

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QIOSCONTEXT_H

#define QIOSCONTEXT_H

#include <QtCore/qloggingcategory.h>

#include <qpa/qplatformopenglcontext.h>

@class EAGLContext;

QT_BEGIN_NAMESPACE

class QIOSWindow;

class QIOSContext : public QObject, public QPlatformOpenGLContext

    Q_OBJECT

public:

    QIOSContext(QOpenGLContext *context);

    ~QIOSContext();

    QSurfaceFormat format() const override;

    void swapBuffers(QPlatformSurface *surface) override;

    bool makeCurrent(QPlatformSurface *surface) override;

    void doneCurrent() override;

    GLuint defaultFramebufferObject(QPlatformSurface *) const override;

    QFunctionPointer getProcAddress(const char *procName) override;

    bool isSharing() const override;

    bool isValid() const override;

private Q_SLOTS:

    void windowDestroyed(QObject *object);

private:

    QIOSContext *m_sharedContext;

    EAGLContext *m_eaglContext;

    QSurfaceFormat m_format;

    struct FramebufferObject {

        GLuint handle;

        GLuint colorRenderbuffer;

        GLuint depthRenderbuffer;

        GLint renderbufferWidth;

        GLint renderbufferHeight;

        bool isComplete;

};

    static bool verifyGraphicsHardwareAvailability();

    static void deleteBuffers(const FramebufferObject &framebufferObject);

    FramebufferObject &backingFramebufferObjectFor(QPlatformSurface *) const;

    mutable QHash<QPlatformSurface *, FramebufferObject> m_framebufferObjects;

    bool needsRenderbufferResize(QPlatformSurface *) const;

};

QT_END_NAMESPACE

#endif // QIOSCONTEXT_H