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o3de/Gems/Atom/Feature/Common/Code/Source/DiffuseGlobalIllumination/DiffuseProbeGridVisualizati...

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2.7 KiB
C++

/*
* 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.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <Atom/RPI.Public/Pass/RenderPass.h>
#include <Atom/RHI/RayTracingPipelineState.h>
#include <Atom/RHI/RayTracingShaderTable.h>
#include <Atom/RPI.Public/Shader/ShaderResourceGroup.h>
namespace AZ
{
namespace Render
{
//! Ray tracing shader that generates the probe visualization image for a DiffuseProbeGrid
class DiffuseProbeGridVisualizationRayTracingPass final
: public RPI::RenderPass
{
public:
AZ_RPI_PASS(DiffuseProbeGridVisualizationRayTracingPass);
AZ_RTTI(DiffuseProbeGridVisualizationRayTracingPass, "{CDFB5C03-08D1-4FCA-8B63-2F8326E0DF1D}", RPI::RenderPass);
AZ_CLASS_ALLOCATOR(DiffuseProbeGridVisualizationRayTracingPass, SystemAllocator, 0);
//! Creates a DiffuseProbeGridVisualizationRayTracingPass
static RPI::Ptr<DiffuseProbeGridVisualizationRayTracingPass> Create(const RPI::PassDescriptor& descriptor);
~DiffuseProbeGridVisualizationRayTracingPass() = default;
private:
explicit DiffuseProbeGridVisualizationRayTracingPass(const RPI::PassDescriptor& descriptor);
void CreateRayTracingPipelineState();
// Scope producer functions
void SetupFrameGraphDependencies(RHI::FrameGraphInterface frameGraph) override;
void CompileResources(const RHI::FrameGraphCompileContext& context) override;
void BuildCommandListInternal(const RHI::FrameGraphExecuteContext& context) override;
// Pass overrides
bool IsEnabled() const override;
void FrameBeginInternal(FramePrepareParams params) override;
// ray tracing shader and pipeline state
Data::Instance<RPI::Shader> m_rayTracingShader;
Data::Instance<RPI::Shader> m_missShader;
Data::Instance<RPI::Shader> m_closestHitShader;
RHI::Ptr<RHI::RayTracingPipelineState> m_rayTracingPipelineState;
// ray tracing shader table
RHI::Ptr<RHI::RayTracingShaderTable> m_rayTracingShaderTable;
// current size of output attachment, updated every frame
RHI::Size m_outputAttachmentSize;
// ray tracing global shader resource group layout and pipeline state
RHI::Ptr<RHI::ShaderResourceGroupLayout> m_globalSrgLayout;
RHI::ConstPtr<RHI::PipelineState> m_globalPipelineState;
bool m_initialized = false;
};
} // namespace RPI
} // namespace AZ