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o3de/Gems/Atom/RHI/Code/Source/RHI/FrameGraphExecuter.cpp

114 lines
3.6 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/RHI/Buffer.h>
#include <Atom/RHI/CpuProfiler.h>
#include <Atom/RHI/FrameGraphExecuteGroup.h>
#include <Atom/RHI/FrameGraphExecuter.h>
#include <Atom/RHI/FrameGraph.h>
#include <Atom/RHI/Image.h>
#include <AzCore/Debug/EventTrace.h>
namespace AZ
{
namespace RHI
{
void FrameGraphExecuter::SetJobPolicy(JobPolicy jobPolicy)
{
m_jobPolicy = jobPolicy;
}
AZStd::array_view<AZStd::unique_ptr<FrameGraphExecuteGroup>> FrameGraphExecuter::GetGroups() const
{
return m_groups;
}
JobPolicy FrameGraphExecuter::GetJobPolicy() const
{
return m_jobPolicy;
}
uint32_t FrameGraphExecuter::GetGroupCount() const
{
return static_cast<uint32_t>(m_groups.size());
}
ResultCode FrameGraphExecuter::Init(const FrameGraphExecuterDescriptor& descriptor)
{
if (Validation::IsEnabled())
{
if (IsInitialized())
{
AZ_Error("FrameGraphExecuter", false, "FrameGraphExecuter is already initialized!");
return RHI::ResultCode::InvalidOperation;
}
}
m_descriptor = descriptor;
const RHI::ResultCode resultCode = InitInternal(descriptor);
if (resultCode == RHI::ResultCode::Success)
{
DeviceObject::Init(*descriptor.m_device);
}
return resultCode;
}
void FrameGraphExecuter::Shutdown()
{
if (IsInitialized())
{
AZ_Assert(m_pendingGroups.empty(), "Pending contexts in queue.");
ShutdownInternal();
DeviceObject::Shutdown();
}
}
void FrameGraphExecuter::Begin(const FrameGraph& frameGraph)
{
AZ_TRACE_METHOD();
BeginInternal(frameGraph);
}
void FrameGraphExecuter::End()
{
AZ_ATOM_PROFILE_FUNCTION("RHI", "FrameGraphExecuter: End");
AZ_Assert(m_pendingGroups.empty(), "Pending contexts in queue.");
m_groups.clear();
EndInternal();
}
FrameGraphExecuteGroup* FrameGraphExecuter::BeginGroup(uint32_t groupIndex)
{
FrameGraphExecuteGroup& group = *m_groups[groupIndex];
AZ_Assert(group.IsComplete() == false, "Context group cannot be reused.");
group.BeginInternal();
return &group;
}
void FrameGraphExecuter::EndGroup(uint32_t groupIndex)
{
FrameGraphExecuteGroup& group = *m_groups[groupIndex];
AZ_Assert(group.IsComplete(), "Ending a context group before all child contexts have ended!");
group.EndInternal();
group.m_isSubmittable = true;
AZStd::lock_guard<AZStd::mutex> lock(m_pendingContextGroupLock);
while (m_pendingGroups.size() && m_pendingGroups.front()->IsSubmittable())
{
ExecuteGroupInternal(*m_pendingGroups.front());
m_pendingGroups.pop();
}
}
}
}