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110 lines
4.2 KiB
C++
110 lines
4.2 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/Pass.h>
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#include <Atom/RPI.Public/Pass/ParentPass.h>
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#include <Atom/RPI.Public/Shader/ShaderResourceGroup.h>
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#include <Atom/RPI.Public/Shader/Shader.h>
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#include <Atom/RPI.Reflect/Pass/DownsampleMipChainPassData.h>
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#include <Atom/Feature/PostProcess/Bloom/BloomConstants.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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class BloomCompositeChildPass;
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// Pass for combining contributions of all downsampled images to the render target
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class BloomCompositePass
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: public RPI::ParentPass
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{
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AZ_RPI_PASS(BloomCompositePass);
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public:
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AZ_RTTI(BloomCompositePass, "{02E41C48-5CC7-4277-B66E-009E4D6D32BA}", ParentPass);
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AZ_CLASS_ALLOCATOR(BloomCompositePass, SystemAllocator, 0);
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virtual ~BloomCompositePass() = default;
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//! Creates a BloomCompositePass
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static RPI::Ptr<BloomCompositePass> Create(const RPI::PassDescriptor& descriptor);
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protected:
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BloomCompositePass(const RPI::PassDescriptor& descriptor);
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// Pass behaviour overrides...
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void BuildInternal() override;
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void FrameBeginInternal(FramePrepareParams params) override;
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void GetAttachmentInfo();
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void UpdateParameters();
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void BuildChildPasses();
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void UpdateChildren();
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void CreateBinding(BloomCompositeChildPass* pass, uint32_t mipLevel);
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RPI::DownsampleMipChainPassData m_passData;
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uint32_t m_inputWidth = 0;
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uint32_t m_inputHeight = 0;
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uint32_t m_outputWidth = 0;
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uint32_t m_outputHeight = 0;
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AZStd::vector<Vector3> m_tintData = {
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AZ::Render::Bloom::DefaultTint,
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AZ::Render::Bloom::DefaultTint,
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AZ::Render::Bloom::DefaultTint,
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AZ::Render::Bloom::DefaultTint,
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AZ::Render::Bloom::DefaultTint
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};
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float m_intensity = AZ::Render::Bloom::DefaultIntensity;
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bool m_enableBicubic = AZ::Render::Bloom::DefaultEnableBicubicFilter;
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};
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// Pass spawned by parent composite pass for additive upsampling
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class BloomCompositeChildPass
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: public RPI::ComputePass
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{
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AZ_RPI_PASS(BloomCompositeChildPass);
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friend class BloomBlurPass;
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public:
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AZ_RTTI(BloomCompositeChildPass, "{85D3FE9B-D347-40D6-B666-B4DF855F5B80}", RenderPass);
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AZ_CLASS_ALLOCATOR(BloomCompositeChildPass, SystemAllocator, 0);
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virtual ~BloomCompositeChildPass() = default;
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//! Creates a BloomCompositeChildPass
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static RPI::Ptr<BloomCompositeChildPass> Create(const RPI::PassDescriptor& descriptor);
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void UpdateParameters(uint32_t sourceMip, uint32_t sourceImageWidth, uint32_t sourceImageHeight, uint32_t targetImageWidth, uint32_t targetImageHeight, bool enableBicubic, Vector3 tint, float intensity);
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protected:
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BloomCompositeChildPass(const RPI::PassDescriptor& descriptor);
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// Pass Behaviour Overrides...
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void FrameBeginInternal(FramePrepareParams params) override;
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RHI::ShaderInputNameIndex m_intensityInputIndex = "m_intensity";
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RHI::ShaderInputNameIndex m_sourceImageSizeInputIndex = "m_sourceImageSize";
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RHI::ShaderInputNameIndex m_sourceImageTexelSizeInputIndex = "m_sourceImageTexelSize";
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RHI::ShaderInputNameIndex m_targetImageSizeInputIndex = "m_targetImageSize";
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RHI::ShaderInputNameIndex m_sourceMipLevelInputIndex = "m_sourceMipLevel";
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RHI::ShaderInputNameIndex m_enableBicubicInputIndex = "m_enableBicubic";
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RHI::ShaderInputNameIndex m_tintInputIndex = "m_tint";
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uint32_t m_targetImageWidth;
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uint32_t m_targetImageHeight;
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};
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} // namespace RPI
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} // namespace AZ
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