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111 lines
3.7 KiB
C++
111 lines
3.7 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project. 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/ParentPass.h>
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#include <Atom/RPI.Public/Pass/RasterPass.h>
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#include <AzCore/std/containers/span.h>
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#include <AzCore/Memory/SystemAllocator.h>
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#include <AzCore/std/containers/vector.h>
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#include "LyShinePassDataBus.h"
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namespace LyShine
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{
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class LyShineChildPass;
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//! Manages child passes at runtime that render to render targets
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class LyShinePass final
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: public AZ::RPI::ParentPass
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, protected LyShinePassRequestBus::Handler
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{
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AZ_RPI_PASS(LyShinePass);
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using Base = AZ::RPI::ParentPass;
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public:
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AZ_CLASS_ALLOCATOR(LyShinePass, AZ::SystemAllocator, 0);
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AZ_RTTI(LyShinePass, "C3B812ED-3771-42F4-A96F-EBD94B4D54CA", Base);
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virtual ~LyShinePass();
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static AZ::RPI::Ptr<LyShinePass> Create(const AZ::RPI::PassDescriptor& descriptor);
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protected:
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// Pass behavior overrides
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void ResetInternal() override;
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void BuildInternal() override;
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// LyShinePassRequestBus overrides
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void RebuildRttChildren() override;
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AZ::RPI::RasterPass* GetRttPass(const AZStd::string& name) override;
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AZ::RPI::RasterPass* GetUiCanvasPass() override;
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private:
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LyShinePass() = delete;
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explicit LyShinePass(const AZ::RPI::PassDescriptor& descriptor);
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// Build the render to texture child passes
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void AddRttChildPasses(LyShine::AttachmentImagesAndDependencies AttachmentImagesAndDependencies);
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// Add a render to texture child pass
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void AddRttChildPass(AZ::Data::Instance<AZ::RPI::AttachmentImage> attachmentImage, AttachmentImages dependentAttachmentImages);
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// Append the final pass to render UI Canvas elements to the screen
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void AddUiCanvasChildPass(LyShine::AttachmentImagesAndDependencies AttachmentImagesAndDependencies);
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// Pass that renders the UI Canvas elements to the screen
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AZ::RPI::Ptr<LyShineChildPass> m_uiCanvasChildPass;
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};
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// Child pass with potential attachment dependencies
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class LyShineChildPass
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: public AZ::RPI::RasterPass
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{
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AZ_RPI_PASS(LyShineChildPass);
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friend class LyShinePass;
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public:
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AZ_RTTI(LyShineChildPass, "{41D525F9-09EB-4004-97DC-082078FF8DD2}", RasterPass);
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AZ_CLASS_ALLOCATOR(LyShineChildPass, AZ::SystemAllocator, 0);
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virtual ~LyShineChildPass();
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//! Creates a LyShineChildPass
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static AZ::RPI::Ptr<LyShineChildPass> Create(const AZ::RPI::PassDescriptor& descriptor);
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protected:
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LyShineChildPass(const AZ::RPI::PassDescriptor& descriptor);
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// Scope producer Overrides...
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void SetupFrameGraphDependencies(AZ::RHI::FrameGraphInterface frameGraph) override;
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AttachmentImages m_attachmentImageDependencies;
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};
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// Child pass that renders UI elements to a render target
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class RttChildPass
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: public LyShineChildPass
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{
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AZ_RPI_PASS(RttChildPass);
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friend class LyShinePass;
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public:
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AZ_RTTI(RttChildPass, "{54B0574D-2EB3-4054-9E1D-0E0D9C8CB09A}", LyShineChildPass);
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AZ_CLASS_ALLOCATOR(RttChildPass, AZ::SystemAllocator, 0);
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virtual ~RttChildPass();
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//! Creates a RttChildPass
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static AZ::RPI::Ptr<RttChildPass> Create(const AZ::RPI::PassDescriptor& descriptor);
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protected:
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RttChildPass(const AZ::RPI::PassDescriptor& descriptor);
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// Pass behavior overrides
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void BuildInternal() override;
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AZ::Data::Instance<AZ::RPI::AttachmentImage> m_attachmentImage;
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};
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} // namespace LyShine
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