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/*
* Copyright 2019-2021 Diligent Graphics LLC
* Copyright 2015-2019 Egor Yusov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#pragma once
/// \file
/// Implementation of the Diligent::ObjectBase template class
#include "../../Primitives/interface/Object.h"
#include "RefCountedObjectImpl.hpp"
namespace Diligent
{
#define IMPLEMENT_QUERY_INTERFACE_BODY(InterfaceID, ParentClassName) \
{ \
if (ppInterface == nullptr) \
return; \
if (IID == InterfaceID) \
{ \
*ppInterface = this; \
(*ppInterface)->AddRef(); \
} \
else \
{ \
ParentClassName::QueryInterface(IID, ppInterface); \
} \
}
#define IMPLEMENT_QUERY_INTERFACE(ClassName, InterfaceID, ParentClassName) \
void ClassName::QueryInterface(const INTERFACE_ID& IID, IObject** ppInterface) \
IMPLEMENT_QUERY_INTERFACE_BODY(InterfaceID, ParentClassName)
#define IMPLEMENT_QUERY_INTERFACE_IN_PLACE(InterfaceID, ParentClassName) \
virtual void DILIGENT_CALL_TYPE QueryInterface(const INTERFACE_ID& IID, IObject** ppInterface) override \
IMPLEMENT_QUERY_INTERFACE_BODY(InterfaceID, ParentClassName)
/// Template class implementing base functionality for an object
template <typename BaseInterface>
class ObjectBase : public RefCountedObject<BaseInterface>
{
public:
ObjectBase(IReferenceCounters* pRefCounters) :
RefCountedObject<BaseInterface>{pRefCounters}
{}
virtual void DILIGENT_CALL_TYPE QueryInterface(const INTERFACE_ID& IID, IObject** ppInterface)
{
if (ppInterface == nullptr)
return;
*ppInterface = nullptr;
if (IID == IID_Unknown)
{
*ppInterface = this;
(*ppInterface)->AddRef();
}
}
};
} // namespace Diligent
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