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73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#pragma once
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#include <AzCore/RTTI/RTTI.h>
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#include <AzCore/Memory/SystemAllocator.h>
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#include <Atom/RHI/CommandList.h>
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#include <Atom/RHI/DrawItem.h>
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#include <Atom/RHI/ScopeProducer.h>
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#include <Atom/RPI.Reflect/Pass/PassName.h>
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#include <Atom/RPI.Public/Pass/FullscreenTrianglePass.h>
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#include <Atom/RPI.Public/Shader/Shader.h>
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#include <Atom/RPI.Public/Shader/ShaderResourceGroup.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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//! SMAABasePass
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//! This pass contains data structure and method commonly used by SMAA passes implementation.
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class SMAABasePass
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: public AZ::RPI::FullscreenTrianglePass
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{
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public:
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AZ_RTTI(SMAABasePass, "{D879B4E8-DEDC-422D-950A-8B5341A8FD48}", AZ::RPI::FullscreenTrianglePass);
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AZ_CLASS_ALLOCATOR(SMAABasePass, SystemAllocator, 0);
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virtual ~SMAABasePass();
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protected:
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SMAABasePass(const RPI::PassDescriptor& descriptor);
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// Pass behavior overrides...
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void InitializeInternal() override;
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// An interface to update pass srg.
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virtual void UpdateSRG() = 0;
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// An interface to get current shader variation option.
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virtual void GetCurrentShaderOption(AZ::RPI::ShaderOptionGroup& shaderOption) const = 0;
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void InvalidateShaderVariant();
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void InvalidateSRG();
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AZ::Vector4 CalculateRenderTargetMetrics(const RPI::PassAttachment* attachment);
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AZ::Vector4 m_renderTargetMetrics = AZ::Vector4(0.0f, 0.0f, 0.0f, 0.0f);
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private:
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void UpdateCurrentShaderVariant();
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// Scope producer functions...
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void CompileResources(const RHI::FrameGraphCompileContext& context) override;
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AZ::RPI::ShaderVariantKey m_currentShaderVariantKeyFallbackValue;
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bool m_needToUpdateShaderVariant = false;
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bool m_needToUpdateSRG = true;
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};
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} // namespace Render
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} // namespace AZ
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