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72 lines
2.7 KiB
C++
72 lines
2.7 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/RHI/ScopeProducer.h>
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#include <Atom/RPI.Public/Pass/RenderPass.h>
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#include <Atom/RPI.Public/Buffer/Buffer.h>
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#include <Atom/RHI/RayTracingBufferPools.h>
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#include <Atom/RHI/RayTracingPipelineState.h>
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#include <Atom/RHI/RayTracingShaderTable.h>
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#include <Atom/RPI.Public/RPIUtils.h>
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#include <Atom/RPI.Public/Shader/ShaderResourceGroup.h>
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#include <DiffuseGlobalIllumination/DiffuseProbeGrid.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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//! Ray tracing shader that generates probe radiance values.
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class DiffuseProbeGridRayTracingPass final
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: public RPI::RenderPass
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{
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public:
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AZ_RPI_PASS(DiffuseProbeGridRayTracingPass);
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AZ_RTTI(DiffuseProbeGridRayTracingPass, "{CB0DF817-3D07-4AC7-8574-F5EE529B8DCA}", RPI::RenderPass);
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AZ_CLASS_ALLOCATOR(DiffuseProbeGridRayTracingPass, SystemAllocator, 0);
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//! Creates a DiffuseProbeGridRayTracingPass
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static RPI::Ptr<DiffuseProbeGridRayTracingPass> Create(const RPI::PassDescriptor& descriptor);
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private:
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explicit DiffuseProbeGridRayTracingPass(const RPI::PassDescriptor& descriptor);
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void CreateRayTracingPipelineState();
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// Scope producer functions
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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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// Pass overrides
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bool IsEnabled() const override;
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void FrameBeginInternal(FramePrepareParams params) override;
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// revision number of the ray tracing TLAS when the shader table was built
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uint32_t m_rayTracingRevision = 0;
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// ray tracing shader and pipeline state
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Data::Instance<RPI::Shader> m_rayTracingShader;
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Data::Instance<RPI::Shader> m_missShader;
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Data::Instance<RPI::Shader> m_closestHitShader;
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RHI::Ptr<RHI::RayTracingPipelineState> m_rayTracingPipelineState;
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// ray tracing shader table
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RHI::Ptr<RHI::RayTracingShaderTable> m_rayTracingShaderTable;
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// ray tracing global shader resource group layout and pipeline state
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RHI::Ptr<RHI::ShaderResourceGroupLayout> m_globalSrgLayout;
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RHI::ConstPtr<RHI::PipelineState> m_globalPipelineState;
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bool m_initialized = false;
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};
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} // namespace RPI
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} // namespace AZ
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