qandroidplatformopenglwindow.cpp

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// Copyright (C) 2014 BogDan Vatra <bogdan@kde.org>
// 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
 
#include "qandroidplatformopenglwindow.h"
 
#include "androidjnimain.h"
#include "qandroidplatformscreen.h"
 
#include <QSurfaceFormat>
#include <QtGui/private/qwindow_p.h>
#include <QtGui/qguiapplication.h>
 
#include <QtGui/private/qeglconvenience_p.h>
#include <android/native_window.h>
#include <android/native_window_jni.h>
#include <qpa/qplatformscreen.h>
#include <qpa/qwindowsysteminterface.h>
 
QT_BEGIN_NAMESPACE
 
QAndroidPlatformOpenGLWindow::QAndroidPlatformOpenGLWindow(QWindow *window, EGLDisplay display)
    : QAndroidPlatformWindow(window), m_eglDisplay(display)
{ }
 
QAndroidPlatformOpenGLWindow::~QAndroidPlatformOpenGLWindow()
{
    // The base class destructor can't reach destroyWindowSurface().
    destroySurface();
}
 
void QAndroidPlatformOpenGLWindow::setGeometry(const QRect &rect)
{
    QAndroidPlatformWindow::setGeometry(rect);
 
    // Programmatic resizes need an expose to drive Qt-internal re-layout on
    // widget-embedded scenes (QQuickWidget).
    if (!rect.isEmpty() && !screen()->availableGeometry().isEmpty())
        QWindowSystemInterface::handleExposeEvent(window(), QRegion(QRect(QPoint(), rect.size())));
}
 
EGLSurface QAndroidPlatformOpenGLWindow::eglSurface(EGLConfig config)
{
    if (Q_LIKELY(m_eglSurface != EGL_NO_SURFACE))
        return m_eglSurface;
    ensureNativeWindow();
    if (!m_nativeWindow)
        return EGL_NO_SURFACE;
 
    m_eglSurface = eglCreateWindowSurface(m_eglDisplay, config, m_nativeWindow, nullptr);
    if (Q_UNLIKELY(m_eglSurface == EGL_NO_SURFACE)) {
        qWarning("EGL Error: could not create egl surface: 0x%x", eglGetError());
        return EGL_NO_SURFACE;
    }
    m_format = q_glFormatFromConfig(m_eglDisplay, config, window()->requestedFormat());
    return m_eglSurface;
}
 
QSurfaceFormat QAndroidPlatformOpenGLWindow::format() const
{
    if (!m_nativeWindow)
        return window()->requestedFormat();
    return m_format;
}
 
void QAndroidPlatformOpenGLWindow::destroyWindowSurface()
{
    if (m_eglSurface != EGL_NO_SURFACE) {
        eglDestroySurface(m_eglDisplay, m_eglSurface);
        m_eglSurface = EGL_NO_SURFACE;
    }
}
 
QT_END_NAMESPACE