qt-everywhere-src-5.15.1/qtbase/src/plugins/platforms/android/qandroidplatformopenglcontext.cpp

/****************************************************************************
**
** Copyright (C) 2014 BogDan Vatra <bogdan@kde.org>
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
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** This file is part of the plugins of the Qt Toolkit.
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#include "qandroidplatformopenglcontext.h"
#include "qandroidplatformopenglwindow.h"
#include "qandroidplatformintegration.h"
#include "qandroidplatformoffscreensurface.h"

#include <QtEglSupport/private/qeglpbuffer_p.h>

#include <QSurface>
#include <QtGui/private/qopenglcontext_p.h>
#include <QtGui/QOffscreenSurface>

QT_BEGIN_NAMESPACE

QAndroidPlatformOpenGLContext::QAndroidPlatformOpenGLContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display,
                                                             const QVariant &nativeHandle)
    :QEGLPlatformContext(format, share, display, nullptr, nativeHandle)
{
}

void QAndroidPlatformOpenGLContext::swapBuffers(QPlatformSurface *surface)
{
    if (surface->surface()->surfaceClass() == QSurface::Window &&
            static_cast<QAndroidPlatformOpenGLWindow *>(surface)->checkNativeSurface(eglConfig())) {
        QEGLPlatformContext::makeCurrent(surface);
    }

    QEGLPlatformContext::swapBuffers(surface);
}

bool QAndroidPlatformOpenGLContext::makeCurrent(QPlatformSurface *surface)
{
    return QEGLPlatformContext::makeCurrent(surface);
}

EGLSurface QAndroidPlatformOpenGLContext::eglSurfaceForPlatformSurface(QPlatformSurface *surface)
{
    if (surface->surface()->surfaceClass() == QSurface::Window) {
        return static_cast<QAndroidPlatformOpenGLWindow *>(surface)->eglSurface(eglConfig());
    } else {
        auto platformOffscreenSurface = static_cast<QPlatformOffscreenSurface*>(surface);
        if (platformOffscreenSurface->offscreenSurface()->nativeHandle())
            return static_cast<QAndroidPlatformOffscreenSurface *>(surface)->surface();
        else
            return static_cast<QEGLPbuffer *>(surface)->pbuffer();
    }
}

QT_END_NAMESPACE