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b2ed584bf4
This will also make the upsampling half=>full res faster. #rb none #preflight https://horde.devtools.epicgames.com/job/6375108b232e3d12cb376b84 #fyi daniel.elliott [CL 23156358 by Sebastien Hillaire in ue5-main branch]
135 lines
4.3 KiB
C++
135 lines
4.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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VolumetricRenderTargetViewStatedata.h
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=============================================================================*/
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#pragma once
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#include "CoreMinimal.h"
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#include "EngineDefines.h"
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#include "RendererInterface.h"
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#include "RenderGraphResources.h"
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class FRDGBuilder;
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class FVolumetricRenderTargetViewStateData
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{
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public:
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FVolumetricRenderTargetViewStateData();
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~FVolumetricRenderTargetViewStateData();
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void Initialise(
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FIntPoint& ViewRectResolutionIn,
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int32 Mode,
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int32 UpsamplingMode);
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FRDGTextureRef GetOrCreateVolumetricTracingRT(FRDGBuilder& GraphBuilder);
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FRDGTextureRef GetOrCreateVolumetricSecondaryTracingRT(FRDGBuilder& GraphBuilder);
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FRDGTextureRef GetOrCreateVolumetricTracingRTDepth(FRDGBuilder& GraphBuilder);
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FRDGTextureRef GetDstVolumetricReconstructRT(FRDGBuilder& GraphBuilder);
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FRDGTextureRef GetOrCreateDstVolumetricReconstructRT(FRDGBuilder& GraphBuilder);
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FRDGTextureRef GetOrCreateDstVolumetricReconstructRTDepth(FRDGBuilder& GraphBuilder);
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TRefCountPtr<IPooledRenderTarget> GetDstVolumetricReconstructRT();
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TRefCountPtr<IPooledRenderTarget> GetDstVolumetricReconstructRTDepth();
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FRDGTextureRef GetOrCreateSrcVolumetricReconstructRT(FRDGBuilder& GraphBuilder);
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FRDGTextureRef GetOrCreateSrcVolumetricReconstructRTDepth(FRDGBuilder& GraphBuilder);
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bool GetHistoryValid() const { return bHistoryValid; }
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const FIntPoint& GetCurrentVolumetricReconstructRTResolution() const { return VolumetricReconstructRTResolution; }
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const FIntPoint& GetCurrentVolumetricTracingRTResolution() const { return VolumetricTracingRTResolution; }
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const FIntPoint& GetCurrentTracingPixelOffset() const { return CurrentPixelOffset; }
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const uint32 GetNoiseFrameIndexModPattern() const { return NoiseFrameIndexModPattern; }
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const uint32 GetVolumetricReconstructRTDownsampleFactor() const { return VolumetricReconstructRTDownsampleFactor; }
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const uint32 GetVolumetricTracingRTDownsampleFactor() const { return VolumetricTracingRTDownsampleFactor; }
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FUintVector4 GetTracingCoordToZbufferCoordScaleBias() const;
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FUintVector4 GetTracingCoordToFullResPixelCoordScaleBias() const;
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int32 GetMode() const { return Mode; }
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int32 GetUpsamplingMode() const { return UpsamplingMode; }
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uint64 GetGPUSizeBytes(bool bLogSizes) const;
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private:
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uint32 VolumetricReconstructRTDownsampleFactor;
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uint32 VolumetricTracingRTDownsampleFactor;
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uint32 CurrentRT;
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bool bFirstTimeUsed;
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bool bHistoryValid;
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int32 FrameId;
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uint32 NoiseFrameIndex; // This is only incremented once all Volumetric render target samples have been iterated
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uint32 NoiseFrameIndexModPattern;
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FIntPoint CurrentPixelOffset;
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FIntPoint FullResolution;
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FIntPoint VolumetricReconstructRTResolution;
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FIntPoint VolumetricTracingRTResolution;
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static constexpr uint32 kRenderTargetCount = 2;
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TRefCountPtr<IPooledRenderTarget> VolumetricReconstructRT[kRenderTargetCount];
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TRefCountPtr<IPooledRenderTarget> VolumetricReconstructRTDepth[kRenderTargetCount];
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TRefCountPtr<IPooledRenderTarget> VolumetricTracingRT;
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TRefCountPtr<IPooledRenderTarget> VolumetricSecondaryTracingRT;
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TRefCountPtr<IPooledRenderTarget> VolumetricTracingRTDepth;
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int32 Mode;
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int32 UpsamplingMode;
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};
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class FTemporalRenderTargetState
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{
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public:
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FTemporalRenderTargetState();
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~FTemporalRenderTargetState();
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void Initialise(const FIntPoint& ResolutionIn, EPixelFormat FormatIn);
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FRDGTextureRef GetOrCreateCurrentRT(FRDGBuilder& GraphBuilder);
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void ExtractCurrentRT(FRDGBuilder& GraphBuilder, FRDGTextureRef RDGRT);
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FRDGTextureRef GetOrCreatePreviousRT(FRDGBuilder& GraphBuilder);
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bool GetHistoryValid() const { return bHistoryValid; }
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bool CurrentIsValid() const { return RenderTargets[CurrentRT].IsValid(); }
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TRefCountPtr<IPooledRenderTarget> CurrentRenderTarget() const { return RenderTargets[CurrentRT]; }
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uint32 GetCurrentIndex() { return CurrentRT; }
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uint32 GetPreviousIndex() { return 1 - CurrentRT; }
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void Reset();
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uint64 GetGPUSizeBytes(bool bLogSizes) const;
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private:
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uint32 CurrentRT;
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int32 FrameId;
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bool bFirstTimeUsed;
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bool bHistoryValid;
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FIntPoint Resolution;
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EPixelFormat Format;
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static constexpr uint32 kRenderTargetCount = 2;
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TRefCountPtr<IPooledRenderTarget> RenderTargets[kRenderTargetCount];
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};
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