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75 lines
2.5 KiB
C++
75 lines
2.5 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/RPI.Public/Pass/ComputePass.h>
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#include <Atom/RPI.Public/Pass/ParentPass.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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// Parent pass for SSAO that contains the SSAO compute pass
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class SsaoParentPass final
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: public RPI::ParentPass
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{
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AZ_RPI_PASS(SsaoParentPass);
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public:
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AZ_RTTI(AZ::Render::SsaoParentPass, "{A03B5913-B201-4146-AF0A-999E6BF31A1A}", AZ::RPI::ParentPass);
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AZ_CLASS_ALLOCATOR(SsaoParentPass, SystemAllocator, 0);
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virtual ~SsaoParentPass() = default;
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//! Creates an SsaoParentPass
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static RPI::Ptr<SsaoParentPass> Create(const RPI::PassDescriptor& descriptor);
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bool IsEnabled() const override;
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protected:
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// Behavior functions override...
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void InitializeInternal() override;
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void FrameBeginInternal(FramePrepareParams params) override;
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private:
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SsaoParentPass(const RPI::PassDescriptor& descriptor);
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// Direct pointers to child passes for enable/disable
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ParentPass* m_blurParentPass = nullptr;
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FastDepthAwareBlurHorPass* m_blurHorizontalPass = nullptr;
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FastDepthAwareBlurVerPass* m_blurVerticalPass = nullptr;
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Pass* m_downsamplePass = nullptr;
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Pass* m_upsamplePass = nullptr;
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};
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// Computer shader pass that calculates SSAO from a linear depth buffer
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class SsaoComputePass final
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: public RPI::ComputePass
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{
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AZ_RPI_PASS(SsaoComputePass);
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public:
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AZ_RTTI(AZ::Render::SsaoComputePass, "{0BA5F6F7-15D2-490A-8254-7E61F25B62F9}", AZ::RPI::ComputePass);
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AZ_CLASS_ALLOCATOR(SsaoComputePass, SystemAllocator, 0);
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virtual ~SsaoComputePass() = default;
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//! Creates an SsaoComputePass
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static RPI::Ptr<SsaoComputePass> Create(const RPI::PassDescriptor& descriptor);
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protected:
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// Behavior functions override...
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void FrameBeginInternal(FramePrepareParams params) override;
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private:
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SsaoComputePass(const RPI::PassDescriptor& descriptor);
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// SRG binding indices...
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AZ::RHI::ShaderInputNameIndex m_constantsIndex = "m_constants";
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};
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} // namespace Render
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} // namespace AZ
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