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/*
* Copyright (C) 2005-2019 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include "../AddonBase.h"
#ifdef __cplusplus
namespace kodi
{
namespace gui
{
struct ATTRIBUTE_HIDDEN IRenderHelper
{
virtual ~IRenderHelper() = default;
virtual bool Init() = 0;
virtual void Begin() = 0;
virtual void End() = 0;
}; /* class IRenderHelper */
} /* namespace gui */
} /* namespace kodi */
#if defined(WIN32) && defined(HAS_ANGLE)
#include "gl/GLonDX.h"
#else
/*
* Default background GUI render helper class
*/
namespace kodi
{
namespace gui
{
struct ATTRIBUTE_HIDDEN CRenderHelperStub : public IRenderHelper
{
bool Init() override { return true; }
void Begin() override {}
void End() override {}
}; /* class CRenderHelperStub */
using CRenderHelper = CRenderHelperStub;
} /* namespace gui */
} /* namespace kodi */
#endif
namespace kodi
{
namespace gui
{
/*
* Create render background handler, e.g. becomes on "Windows" Angle used
* to emulate GL.
*
* This only be used internal and not from addon's direct.
*
* Function defines here and not in CAddonBase because of a hen and egg problem.
*/
inline std::shared_ptr<IRenderHelper> ATTRIBUTE_HIDDEN GetRenderHelper()
{
using namespace ::kodi::addon;
if (static_cast<CAddonBase*>(CAddonBase::m_interface->addonBase)->m_renderHelper)
return static_cast<CAddonBase*>(CAddonBase::m_interface->addonBase)->m_renderHelper;
const std::shared_ptr<kodi::gui::IRenderHelper> renderHelper(new CRenderHelper());
if (!renderHelper->Init())
return nullptr;
static_cast<CAddonBase*>(CAddonBase::m_interface->addonBase)->m_renderHelper =
renderHelper; // Hold on base for other types
return renderHelper;
}
} /* namespace gui */
} /* namespace kodi */
#endif /* __cplusplus */
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