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o3de/Gems/Atom/RPI/Code/Source/RPI.Public/GpuQuery/TimestampQueryPool.cpp

48 lines
2.1 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#include <Atom/RPI.Public/GpuQuery/TimestampQueryPool.h>
namespace AZ
{
namespace RPI
{
TimestampQueryPool::TimestampQueryPool(uint32_t queryCapacity, uint32_t queriesPerResult, RHI::QueryType queryType, RHI::PipelineStatisticsFlags statisticsFlags) :
QueryPool(queryCapacity, queriesPerResult, queryType, statisticsFlags)
{
}
QueryPoolPtr AZ::RPI::TimestampQueryPool::CreateTimestampQueryPool(uint32_t queryCount)
{
// The number of RHI Queries required to calculate a single Timestamp Result.
const uint32_t RhiQueriesPerTimestampResult = 2u;
return AZStd::unique_ptr<QueryPool>(aznew TimestampQueryPool(queryCount, RhiQueriesPerTimestampResult, RHI::QueryType::Timestamp, RHI::PipelineStatisticsFlags::None));
}
RHI::ResultCode TimestampQueryPool::BeginQueryInternal(RHI::Interval rhiQueryIndices, RHI::CommandList& commandList)
{
AZStd::array_view<RHI::Ptr<RHI::Query>> rhiQueryArray = GetRhiQueryArray();
AZ::RHI::Ptr<AZ::RHI::Query> beginQuery = rhiQueryArray[rhiQueryIndices.m_min];
return beginQuery->WriteTimestamp(commandList);
}
RHI::ResultCode TimestampQueryPool::EndQueryInternal(RHI::Interval rhiQueryIndices, RHI::CommandList& commandList)
{
AZStd::array_view<RHI::Ptr<RHI::Query>> rhiQueryArray = GetRhiQueryArray();
AZ::RHI::Ptr<AZ::RHI::Query> endQuery = rhiQueryArray[rhiQueryIndices.m_max];
return endQuery->WriteTimestamp(commandList);
}
}; // Namespace RPI
}; // Namespace AZ