/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
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**
** This file is part of the QtWebEngine module of the Qt Toolkit.
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****************************************************************************/

#if defined(USE_OZONE)
#include "surface_factory_qt.h"

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

namespace QtWebEngineCore {

SurfaceFactoryQt::SurfaceFactoryQt()
{
#if defined(USE_GLX)
    if (GLContextHelper::getGlxPlatformInterface()) {
        m_impl = { gl::GLImplementationParts(gl::kGLImplementationDesktopGL),
                   gl::GLImplementationParts(gl::kGLImplementationDisabled) };
        m_ozone.reset(new ui::GLOzoneGLXQt());
    } else
#endif
    if (GLContextHelper::getEglPlatformInterface()) {
        m_impl = { gl::GLImplementationParts(gl::kGLImplementationDesktopGL),
                   gl::GLImplementationParts(gl::kGLImplementationEGLGLES2),
                   gl::GLImplementationParts(gl::kGLImplementationDisabled) };
        m_ozone.reset(new ui::GLOzoneEGLQt());
    } else {
        qWarning("No suitable graphics backend found\n");
        m_impl = { gl::GLImplementationParts(gl::kGLImplementationDisabled) };
    }
}

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

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

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