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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
#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
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