QueryVkImpl.hpp

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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
 
 
#include <array>
 
#include "EngineVkImplTraits.hpp"
#include "QueryBase.hpp"
#include "QueryManagerVk.hpp"
 
namespace Diligent
{
 
class QueryVkImpl final : public QueryBase<EngineVkImplTraits>
{
public:
    using TQueryBase = QueryBase<EngineVkImplTraits>;
 
    QueryVkImpl(IReferenceCounters* pRefCounters,
                RenderDeviceVkImpl* pRendeDeviceVkImpl,
                const QueryDesc&    Desc,
                bool                IsDeviceInternal = false);
    ~QueryVkImpl();
 
    IMPLEMENT_QUERY_INTERFACE_IN_PLACE(IID_QueryVk, TQueryBase)
 
    
    virtual bool DILIGENT_CALL_TYPE GetData(void* pData, Uint32 DataSize, bool AutoInvalidate) override final;
 
    virtual void DILIGENT_CALL_TYPE Invalidate() override final;
 
    Uint32 GetQueryPoolIndex(Uint32 QueryId) const
    {
        VERIFY_EXPR(QueryId == 0 || m_Desc.Type == QUERY_TYPE_DURATION && QueryId == 1);
        return m_QueryPoolIndex[QueryId];
    }
 
    bool OnEndQuery(IDeviceContext* pContext);
    bool OnBeginQuery(IDeviceContext* pContext);
 
private:
    bool AllocateQueries();
    void DiscardQueries();
 
    std::array<Uint32, 2> m_QueryPoolIndex = {QueryManagerVk::InvalidIndex, QueryManagerVk::InvalidIndex};
 
    Uint64 m_QueryEndFenceValue = 0;
};
 
} // namespace Diligent