/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
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****************************************************************************/

#include "surface_factory_qt.h"
#include "gl_context_qt.h"
#include "gl_ozone_egl_qt.h"
#if defined(USE_GLX)
#include "gl_ozone_glx_qt.h"
#endif

#include "ui/gl/gl_surface.h"
#include <QGuiApplication>

#if defined(USE_OZONE)

#include "ozone/gl_ozone_egl_qt.h"
#include "ozone/surface_factory_qt.h"
#include "ui/gl/gl_surface.h"
namespace QtWebEngineCore {

SurfaceFactoryQt::SurfaceFactoryQt()
{
    Q_ASSERT(qApp);
#if defined(USE_GLX)
    if (GLContextHelper::getGlXConfig()) {
        m_impl = gl::kGLImplementationDesktopGL;
        m_ozone.reset(new ui::GLOzoneGLXQt());
    } else
#endif
    if (GLContextHelper::getEGLConfig()) {
        m_impl = gl::kGLImplementationEGLGLES2;
        m_ozone.reset(new ui::GLOzoneEGLQt());
    } else {
        qFatal("No suitable graphics backend found\n");
    }
}

std::vector<gl::GLImplementation> SurfaceFactoryQt::GetAllowedGLImplementations()
{
    return { m_impl };
}

ui::GLOzone* SurfaceFactoryQt::GetGLOzone(gl::GLImplementation implementation)
{
    return m_ozone.get();
}

} // namespace QtWebEngineCore
#endif // defined(USE_OZONE)