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57 lines
2.0 KiB
C++
57 lines
2.0 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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#pragma once
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#include <Atom/RHI/CopyItem.h>
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#include <Atom/RHI/ScopeProducer.h>
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#include <Atom/RPI.Public/Pass/Pass.h>
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#include <Atom/RPI.Public/Buffer/Buffer.h>
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namespace AZ
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{
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namespace Render
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{
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//! This pass is used to read back the depth value written to the buffer.
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class DepthOfFieldCopyFocusDepthToCpuPass final
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: public RPI::Pass
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, public RHI::ScopeProducer
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{
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AZ_RPI_PASS(DepthOfFieldCopyFocusDepthToCpuPass);
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public:
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AZ_RTTI(DepthOfFieldCopyFocusDepthToCpuPass, "{EA00AD76-92FC-4223-AB7D-87F588AB5394}", Pass);
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AZ_CLASS_ALLOCATOR(DepthOfFieldCopyFocusDepthToCpuPass, SystemAllocator, 0);
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//! Creates an DepthOfFieldCopyFocusDepthToCpuPass
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static RPI::Ptr<DepthOfFieldCopyFocusDepthToCpuPass> Create(const RPI::PassDescriptor& descriptor);
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~DepthOfFieldCopyFocusDepthToCpuPass() = default;
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void SetBufferRef(RPI::Ptr<RPI::Buffer> bufferRef);
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float GetFocusDepth();
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private:
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explicit DepthOfFieldCopyFocusDepthToCpuPass(const RPI::PassDescriptor& descriptor);
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// Scope producer functions
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void SetupFrameGraphDependencies(RHI::FrameGraphInterface frameGraph) override;
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void CompileResources(const RHI::FrameGraphCompileContext& context) override;
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void BuildCommandList(const RHI::FrameGraphExecuteContext& context) override;
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// Pass overrides
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void BuildInternal() override;
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void FrameBeginInternal(FramePrepareParams params) override;
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RPI::Ptr<RPI::Buffer> m_bufferRef;
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Data::Instance<RPI::Buffer> m_readbackBuffer;
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RHI::CopyBufferDescriptor m_copyDescriptor;
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bool m_needsInitialize = true;
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};
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} // namespace RPI
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} // namespace AZ
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