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64 lines
2.4 KiB
C++
64 lines
2.4 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 <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/RHI.Reflect/ShaderResourceGroupLayoutDescriptor.h>
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#include <Atom/RPI.Public/Pass/ComputePass.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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#include <Atom/RPI.Reflect/Pass/PassName.h>
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#include <Atom/RPI.Public/Image/AttachmentImage.h>
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#include <DiffuseGlobalIllumination/DiffuseProbeGrid.h>
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#include <DiffuseGlobalIllumination/DiffuseProbeGridFeatureProcessor.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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//! Compute shader that classifies probes as active or inactive in the diffuse probe grid.
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class DiffuseProbeGridClassificationPass final
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: public RPI::RenderPass
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{
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public:
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AZ_RPI_PASS(DiffuseProbeGridClassificationPass);
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AZ_RTTI(AZ::Render::DiffuseProbeGridClassificationPass, "{98A6477A-F31C-4390-9BEB-9DB8E30BB281}", RPI::RenderPass);
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AZ_CLASS_ALLOCATOR(DiffuseProbeGridClassificationPass, SystemAllocator, 0);
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virtual ~DiffuseProbeGridClassificationPass() = default;
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static RPI::Ptr<DiffuseProbeGridClassificationPass> Create(const RPI::PassDescriptor& descriptor);
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private:
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DiffuseProbeGridClassificationPass(const RPI::PassDescriptor& descriptor);
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void LoadShader();
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// Pass overrides
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bool IsEnabled() const override;
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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 BuildCommandListInternal(const RHI::FrameGraphExecuteContext& context) override;
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// shader
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struct DiffuseProbeGridShader
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{
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Data::Instance<RPI::Shader> m_shader;
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const RHI::PipelineState* m_pipelineState = nullptr;
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RHI::Ptr<RHI::ShaderResourceGroupLayout> m_srgLayout;
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RHI::DispatchDirect m_dispatchArgs;
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};
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AZStd::vector<DiffuseProbeGridShader> m_shaders;
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};
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} // namespace Render
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} // namespace AZ
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