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44 lines
1.8 KiB
C++
44 lines
1.8 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include <Atom/RPI.Public/GpuQuery/TimestampQueryPool.h>
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namespace AZ
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{
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namespace RPI
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{
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TimestampQueryPool::TimestampQueryPool(uint32_t queryCapacity, uint32_t queriesPerResult, RHI::QueryType queryType, RHI::PipelineStatisticsFlags statisticsFlags) :
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QueryPool(queryCapacity, queriesPerResult, queryType, statisticsFlags)
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{
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}
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QueryPoolPtr AZ::RPI::TimestampQueryPool::CreateTimestampQueryPool(uint32_t queryCount)
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{
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// The number of RHI Queries required to calculate a single Timestamp Result.
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const uint32_t RhiQueriesPerTimestampResult = 2u;
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return AZStd::unique_ptr<QueryPool>(aznew TimestampQueryPool(queryCount, RhiQueriesPerTimestampResult, RHI::QueryType::Timestamp, RHI::PipelineStatisticsFlags::None));
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}
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RHI::ResultCode TimestampQueryPool::BeginQueryInternal(RHI::Interval rhiQueryIndices, RHI::CommandList& commandList)
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{
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AZStd::array_view<RHI::Ptr<RHI::Query>> rhiQueryArray = GetRhiQueryArray();
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AZ::RHI::Ptr<AZ::RHI::Query> beginQuery = rhiQueryArray[rhiQueryIndices.m_min];
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return beginQuery->WriteTimestamp(commandList);
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}
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RHI::ResultCode TimestampQueryPool::EndQueryInternal(RHI::Interval rhiQueryIndices, RHI::CommandList& commandList)
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{
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AZStd::array_view<RHI::Ptr<RHI::Query>> rhiQueryArray = GetRhiQueryArray();
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AZ::RHI::Ptr<AZ::RHI::Query> endQuery = rhiQueryArray[rhiQueryIndices.m_max];
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return endQuery->WriteTimestamp(commandList);
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}
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}; // Namespace RPI
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}; // Namespace AZ
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