Added style interpolation

Config/DefaultEngine.ini

@@ -36,7 +36,7 @@ ScriptStackOnWarnings=true
 GlobalDefaultGameMode=/Game/B_LyraGameMode.B_LyraGameMode_C
 GameInstanceClass=/Game/B_LyraGameInstance.B_LyraGameInstance_C
 GameDefaultMap=/Game/System/FrontEnd/Maps/L_LyraFrontEnd.L_LyraFrontEnd
-EditorStartupMap=/Game/System/DefaultEditorMap/L_DefaultEditorOverview.L_DefaultEditorOverview
+EditorStartupMap=/ShooterMaps/Maps/L_Expanse.L_Expanse
 
 [/Script/Hotfix.OnlineHotfixManager]
 HotfixManagerClassName=/Script/LyraGame.LyraHotfixManager

Config/DefaultGame.ini

@@ -221,3 +221,10 @@ VoiceChatVolumeControlBus=/Game/Audio/Modulation/ControlBuses/CB_VoiceChat.CB_Vo
 +LDRAudioSubmixEffectChain=(Submix="/Game/Audio/Submixes/MainSubmix.MainSubmix",SubmixEffectChain=("/Game/Audio/DYN_LowMultibandDynamics.DYN_LowMultibandDynamics","/Game/Audio/Effects/SubmixEffects/DYN_LowDynamics.DYN_LowDynamics"))
 LoadingScreenControlBusMix=/Game/Audio/Modulation/ControlBusMixes/CBM_LoadingScreenMix.CBM_LoadingScreenMix
 
+[/Script/StyleTransfer.StyleTransferSettings]
+StyleTransferNetwork=/StyleTransfer/NN_TransferVGG.NN_TransferVGG
+StylePredictionNetwork=/StyleTransfer/NN_PredictorVGG.NN_PredictorVGG
++StyleTextures=/StyleTransfer/T_StyleImage.T_StyleImage
++StyleTextures=/StyleTransfer/T_StyleImage3.T_StyleImage3
+InterpolationCurve=(EditorCurveData=(Keys=((InterpMode=RCIM_Cubic,TangentMode=RCTM_User),(InterpMode=RCIM_Cubic,TangentMode=RCTM_User,Time=2.241476,Value=1.000000),(InterpMode=RCIM_Cubic,TangentMode=RCTM_User,Time=3.908512,Value=1.000000),(InterpMode=RCIM_Cubic,TangentMode=RCTM_User,Time=5.831762),(Time=7.971708)),DefaultValue=340282346638528859811704183484516925440.000000,PreInfinityExtrap=RCCE_Constant,PostInfinityExtrap=RCCE_Constant),ExternalCurve=None)
+

Plugins/StyleTransfer/Shaders/Private/InterpolateTensors.usf

@@ -0,0 +1,21 @@
+// Copyright 2022 Manuel Wagner - All rights reserved
+
+RWBuffer<float> OutputUAV;
+Buffer<float> InputSrvA;
+Buffer<float> InputSrvB;
+uint TensorVolume;
+float Alpha;
+
+[numthreads(THREADGROUP_SIZE_X, THREADGROUP_SIZE_Y, THREADGROUP_SIZE_Z)]
+void InterpolateTensorsCS(in const uint3 DispatchThreadID : SV_DispatchThreadID)
+{
+	const uint Index = DispatchThreadID.x;
+	if (Index >= TensorVolume)
+	{
+		return;
+	}
+
+	OutputUAV[Index] = lerp(InputSrvA[Index], InputSrvB[Index], Alpha);
+}
+
+#include "/Engine/Public/Platform.ush"

Plugins/StyleTransfer/Source/StyleTransfer/Private/StyleTransferModule.cpp

@@ -1,4 +1,4 @@
-// Copyright Epic Games, Inc. All Rights Reserved.
+// Copyright Manuel Wagner All Rights Reserved.
 
 #include "StyleTransferModule.h"
 

Plugins/StyleTransfer/Source/StyleTransfer/Private/StyleTransferSceneViewExtension.cpp

@@ -12,6 +12,7 @@
 #include "SceneView.h"
 #include "ScreenPass.h"
 #include "CommonRenderResources.h"
+#include "InterpolateTensorsCS.h"
 #include "IPixWinPlugin.h"
 #include "IPixWinPlugin.h"
 #include "IRenderCaptureProvider.h"
@@ -215,6 +216,39 @@ void FStyleTransferSceneViewExtension::TextureToTensor(FRDGBuilder& GraphBuilder
 	);
 }
 
+void FStyleTransferSceneViewExtension::InterpolateTensors(FRDGBuilder& GraphBuilder, const FNeuralTensor& DestinationTensor, const FNeuralTensor& InputTensorA, const FNeuralTensor& InputTensorB, float Alpha)
+{
+	RDG_EVENT_SCOPE(GraphBuilder, "InterpolateTensors");
+
+	const FRDGBufferRef DestinationBuffer = GraphBuilder.RegisterExternalBuffer(DestinationTensor.GetPooledBuffer());
+	const FRDGBufferRef InputBufferA = GraphBuilder.RegisterExternalBuffer(InputTensorA.GetPooledBuffer());
+	const FRDGBufferRef InputBufferB = GraphBuilder.RegisterExternalBuffer(InputTensorB.GetPooledBuffer());
+
+
+	auto InterpolateTensorsParameters = GraphBuilder.AllocParameters<FInterpolateTensorsCS::FParameters>();
+	InterpolateTensorsParameters->InputSrvA = GraphBuilder.CreateSRV(InputBufferA, EPixelFormat::PF_R32_FLOAT);
+	InterpolateTensorsParameters->InputSrvB = GraphBuilder.CreateSRV(InputBufferB, EPixelFormat::PF_R32_FLOAT);
+	InterpolateTensorsParameters->OutputUAV = GraphBuilder.CreateUAV(DestinationBuffer);
+	InterpolateTensorsParameters->Alpha = Alpha;
+	InterpolateTensorsParameters->TensorVolume = DestinationTensor.Num();
+	FIntVector InterpolateTensorsThreadGroupCount = FComputeShaderUtils::GetGroupCount(
+		{CastNarrowingSafe<int32>(DestinationTensor.Num()), 1, 1},
+		FInterpolateTensorsCS::ThreadGroupSize
+	);
+
+	TShaderMapRef<FInterpolateTensorsCS> InterpolateTensorsCS(GetGlobalShaderMap(GMaxRHIFeatureLevel));
+	GraphBuilder.AddPass(
+		RDG_EVENT_NAME("InterpolateTensors"),
+		InterpolateTensorsParameters,
+		ERDGPassFlags::Compute,
+		[InterpolateTensorsCS, InterpolateTensorsParameters, InterpolateTensorsThreadGroupCount](FRHICommandList& RHICommandList)
+		{
+			FComputeShaderUtils::Dispatch(RHICommandList, InterpolateTensorsCS,
+										  *InterpolateTensorsParameters, InterpolateTensorsThreadGroupCount);
+		}
+	);
+}
+
 FScreenPassTexture FStyleTransferSceneViewExtension::PostProcessPassAfterTonemap_RenderThread(FRDGBuilder& GraphBuilder, const FSceneView& View, const FPostProcessMaterialInputs& InOutInputs)
 {
 	const FScreenPassTexture& SceneColor = InOutInputs.Textures[(uint32)EPostProcessMaterialInput::SceneColor];

Plugins/StyleTransfer/Source/StyleTransfer/Private/StyleTransferSettings.h

@@ -24,5 +24,8 @@ public:
 	TSoftObjectPtr<UNeuralNetwork> StylePredictionNetwork = nullptr;
 
 	UPROPERTY(EditAnywhere, Config)
-	TSoftObjectPtr<UTexture2D> StyleTexture = nullptr;
+	TArray<TSoftObjectPtr<UTexture2D>> StyleTextures;
+
+	UPROPERTY(EditAnywhere, Config)
+	FRuntimeFloatCurve InterpolationCurve;
 };

Plugins/StyleTransfer/Source/StyleTransfer/Private/StyleTransferSubsystem.cpp

@@ -19,6 +19,12 @@ TAutoConsoleVariable<bool> CVarStyleTransferEnabled(
 	TEXT("Set to true to enable style transfer")
 );
 
+TAutoConsoleVariable<bool> CVarAutoCaptureStylePrediction(
+	TEXT("r.StyleTransfer.AutoCapturePrediction"),
+	false,
+	TEXT("Set to true to enable style transfer auto capture for profiling in PIX etc.")
+);
+
 
 void UStyleTransferSubsystem::Initialize(FSubsystemCollectionBase& Collection)
 {
@@ -34,6 +40,26 @@ void UStyleTransferSubsystem::Deinitialize()
 	Super::Deinitialize();
 }
 
+bool UStyleTransferSubsystem::Tick(float DeltaTime)
+{
+	if (!GetWorld())
+		return true;
+
+
+	if (StylePredictionInferenceContexts.Num() > 1)
+	{
+		const UStyleTransferSettings* StyleTransferSettings = GetDefault<UStyleTransferSettings>();
+		const FRichCurve* InterpCurve = StyleTransferSettings->InterpolationCurve.GetRichCurveConst();
+		float MinTime, MaxTime;
+		InterpCurve->GetTimeRange(MinTime, MaxTime);
+		const double Time = MinTime + FMath::Fmod(GetWorld()->GetTimeSeconds(), static_cast<double>(MaxTime - MinTime));
+		const float Alpha = InterpCurve->Eval(Time);
+		UE_LOG(LogStyleTransfer, VeryVerbose, TEXT("Alpha is %0.4f"), Alpha);
+		InterpolateStyles(StylePredictionInferenceContexts[0], StylePredictionInferenceContexts[1], Alpha);
+	}
+	return true;
+}
+
 void UStyleTransferSubsystem::StartStylizingViewport(FViewportClient* ViewportClient)
 {
 	if (!StylePredictionNetwork->IsLoaded() || !StyleTransferNetwork->IsLoaded())
@@ -45,20 +71,27 @@ void UStyleTransferSubsystem::StartStylizingViewport(FViewportClient* ViewportCl
 	if (!StyleTransferSceneViewExtension)
 	{
 		const UStyleTransferSettings* StyleTransferSettings = GetDefault<UStyleTransferSettings>();
-		StylePredictionInferenceContext = StylePredictionNetwork->CreateInferenceContext();
-		checkf(StylePredictionInferenceContext != INDEX_NONE, TEXT("Could not create inference context for StylePredictionNetwork"));
+
+		if (!StyleTransferInferenceContext || *StyleTransferInferenceContext == INDEX_NONE)
+		{
 			StyleTransferInferenceContext = MakeShared<int32>(StyleTransferNetwork->CreateInferenceContext());
 			checkf(*StyleTransferInferenceContext != INDEX_NONE, TEXT("Could not create inference context for StyleTransferNetwork"));
+		}
 
-		UTexture2D* StyleTexture = StyleTransferSettings->StyleTexture.LoadSynchronous();
+		for (int32 i = 0; i < FMath::Min(2, StyleTransferSettings->StyleTextures.Num()); ++i)
+		{
+			const int32& StylePredictionInferenceContext = StylePredictionInferenceContexts.Emplace_GetRef(StylePredictionNetwork->CreateInferenceContext());
+			checkf(StylePredictionInferenceContext != INDEX_NONE, TEXT("Could not create inference context for StylePredictionNetwork"));
+
+			UTexture2D* StyleTexture = StyleTransferSettings->StyleTextures[i].LoadSynchronous();
 			//UTexture2D* StyleTexture = LoadObject<UTexture2D>(this, TEXT("/Script/Engine.Texture2D'/StyleTransfer/T_StyleImage.T_StyleImage'"));
 #if WITH_EDITOR
 			FTextureCompilingManager::Get().FinishCompilation({StyleTexture});
 #endif
-		UpdateStyle(StyleTexture);
+			UpdateStyle(StyleTexture, StylePredictionInferenceContext);
+		}
 		//UpdateStyle(FPaths::GetPath("C:\\projects\\realtime-style-transfer\\temp\\style_params_tensor.bin"));
 		StyleTransferSceneViewExtension = FSceneViewExtensions::NewExtension<FStyleTransferSceneViewExtension>(ViewportClient->GetWorld(), ViewportClient, StyleTransferNetwork, StyleTransferInferenceContext.ToSharedRef());
-
 	}
 	StyleTransferSceneViewExtension->SetEnabled(true);
 }
@@ -67,10 +100,13 @@ void UStyleTransferSubsystem::StopStylizingViewport()
 {
 	FlushRenderingCommands();
 	StyleTransferSceneViewExtension.Reset();
-	if (StylePredictionInferenceContext != INDEX_NONE)
+	if (StylePredictionInferenceContexts.Num())
 	{
-		StylePredictionNetwork->DestroyInferenceContext(StylePredictionInferenceContext);
-		StylePredictionInferenceContext = INDEX_NONE;
+		for (auto It = StylePredictionInferenceContexts.CreateIterator(); It; ++It)
+		{
+			StylePredictionNetwork->DestroyInferenceContext(*It);
+			It.RemoveCurrent();
+		}
 	}
 	if (StyleTransferInferenceContext && *StyleTransferInferenceContext != INDEX_NONE)
 	{
@@ -80,20 +116,14 @@ void UStyleTransferSubsystem::StopStylizingViewport()
 	}
 }
 
-void UStyleTransferSubsystem::UpdateStyle(UTexture2D* StyleTexture)
+void UStyleTransferSubsystem::UpdateStyle(UTexture2D* StyleTexture, int32 StylePredictionInferenceContext)
 {
 	checkf(StyleTransferInferenceContext.IsValid() && (*StyleTransferInferenceContext) != INDEX_NONE, TEXT("Can not infer style without inference context"));
 	checkf(StylePredictionInferenceContext != INDEX_NONE, TEXT("Can not update style without inference context"));
 	FlushRenderingCommands();
-	ENQUEUE_RENDER_COMMAND(StylePrediction)([this, StyleTexture](FRHICommandListImmediate& RHICommandList)
+	ENQUEUE_RENDER_COMMAND(StylePrediction)([this, StyleTexture, StylePredictionInferenceContext](FRHICommandListImmediate& RHICommandList)
 	{
-		IRenderCaptureProvider* RenderCaptureProvider = nullptr;
-		const FName RenderCaptureProviderType = IRenderCaptureProvider::GetModularFeatureName();
-		if(IModularFeatures::Get().IsModularFeatureAvailable(RenderCaptureProviderType))
-		{
-			RenderCaptureProvider = &IModularFeatures::Get().GetModularFeature<IRenderCaptureProvider>(RenderCaptureProviderType);
-			RenderCaptureProvider->BeginCapture(&RHICommandList);
-		}
+		IRenderCaptureProvider* RenderCaptureProvider = ConditionalBeginRenderCapture(RHICommandList);
 
 		FRDGBuilder GraphBuilder(RHICommandList);
 		{
@@ -120,7 +150,7 @@ void UStyleTransferSubsystem::UpdateStyle(UTexture2D* StyleTexture)
 		}
 		GraphBuilder.Execute();
 
-		if(RenderCaptureProvider)
+		if (RenderCaptureProvider)
 		{
 			RenderCaptureProvider->EndCapture(&RHICommandList);
 		}
@@ -161,7 +191,7 @@ void UStyleTransferSubsystem::HandleConsoleVariableChanged(IConsoleVariable* Con
 
 	if (CVarStyleTransferEnabled->GetBool())
 	{
-		if(!(StyleTransferNetwork || StylePredictionNetwork))
+		if (!(StyleTransferNetwork || StylePredictionNetwork))
 		{
 			LoadNetworks();
 		}
@@ -203,3 +233,40 @@ void UStyleTransferSubsystem::LoadNetworks()
 		UE_LOG(LogStyleTransfer, Error, TEXT("StylePredictionNetwork could not be loaded."));
 	}
 }
+
+void UStyleTransferSubsystem::InterpolateStyles(int32 StylePredictionInferenceContextA, int32 StylePredictionInferenceContextB, float Alpha)
+{
+	checkf(StyleTransferInferenceContext.IsValid() && (*StyleTransferInferenceContext) != INDEX_NONE, TEXT("Can not transfer style without inference context"));
+	checkf(StylePredictionInferenceContexts.Contains(StylePredictionInferenceContextA), TEXT("Can not update style without inference context A"));
+	checkf(StylePredictionInferenceContexts.Contains(StylePredictionInferenceContextB), TEXT("Can not update style without inference context B"));
+	ENQUEUE_RENDER_COMMAND(StylePrediction)([this, StylePredictionInferenceContextA, StylePredictionInferenceContextB, Alpha](FRHICommandListImmediate& RHICommandList)
+	{
+		IRenderCaptureProvider* RenderCaptureProvider = ConditionalBeginRenderCapture(RHICommandList);
+		FRDGBuilder GraphBuilder(RHICommandList);
+		{
+			RDG_EVENT_SCOPE(GraphBuilder, "StylePrediction");
+
+			const FNeuralTensor& InputStyleImageTensorA = StylePredictionNetwork->GetOutputTensorForContext(StylePredictionInferenceContextA, 0);
+			const FNeuralTensor& InputStyleImageTensorB = StylePredictionNetwork->GetOutputTensorForContext(StylePredictionInferenceContextB, 0);
+			const FNeuralTensor& OutputStyleParamsTensor = StyleTransferNetwork->GetInputTensorForContext(*StyleTransferInferenceContext, StyleTransferStyleParamsInputIndex);
+			FStyleTransferSceneViewExtension::InterpolateTensors(GraphBuilder, OutputStyleParamsTensor, InputStyleImageTensorA, InputStyleImageTensorB, Alpha);
+		}
+		GraphBuilder.Execute();
+		if(RenderCaptureProvider) RenderCaptureProvider->EndCapture(&RHICommandList);
+	});
+}
+
+IRenderCaptureProvider* UStyleTransferSubsystem::ConditionalBeginRenderCapture(FRHICommandListImmediate& RHICommandList)
+{
+	IRenderCaptureProvider* RenderCaptureProvider = nullptr;
+	if (CVarAutoCaptureStylePrediction.GetValueOnRenderThread())
+	{
+		const FName RenderCaptureProviderType = IRenderCaptureProvider::GetModularFeatureName();
+		if (IModularFeatures::Get().IsModularFeatureAvailable(RenderCaptureProviderType))
+		{
+			RenderCaptureProvider = &IModularFeatures::Get().GetModularFeature<IRenderCaptureProvider>(RenderCaptureProviderType);
+			RenderCaptureProvider->BeginCapture(&RHICommandList);
+		}
+	}
+	return RenderCaptureProvider;
+}

Plugins/StyleTransfer/Source/StyleTransfer/Public/StyleTransferModule.h

@@ -1,4 +1,4 @@
-// Copyright Epic Games, Inc. All Rights Reserved.
+// Copyright Manuel Wagner All Rights Reserved.
 
 #pragma once
 

Plugins/StyleTransfer/Source/StyleTransfer/Public/StyleTransferSceneViewExtension.h

@@ -43,6 +43,7 @@ public:
 	static void AddRescalingTextureCopy(FRDGBuilder& GraphBuilder, FRDGTexture& RDGSourceTexture, FScreenPassRenderTarget& DestinationRenderTarget);
 	static FRDGTexture* TensorToTexture(FRDGBuilder& GraphBuilder, const FRDGTextureDesc& BaseDestinationDesc, const FNeuralTensor& SourceTensor);
 	static void TextureToTensor(FRDGBuilder& GraphBuilder, FRDGTextureRef SourceTexture, const FNeuralTensor& DestinationTensor);
+	static void InterpolateTensors(FRDGBuilder& GraphBuilder, const FNeuralTensor& DestinationTensor, const FNeuralTensor& InputTensorA, const FNeuralTensor& InputTensorB, float Alpha);
 
 private:
 	/** The actual Network pointer is not tracked so we need a WeakPtr too so we can check its validity on the game thread. */

Plugins/StyleTransfer/Source/StyleTransfer/Public/StyleTransferSubsystem.h

@@ -3,6 +3,7 @@
 #pragma once
 
 #include "CoreMinimal.h"
+#include "IRenderCaptureProvider.h"
 #include "StyleTransferSceneViewExtension.h"
 #include "Subsystems/GameInstanceSubsystem.h"
 #include "UObject/Object.h"
@@ -12,7 +13,7 @@
  *
  */
 UCLASS()
-class STYLETRANSFER_API UStyleTransferSubsystem : public UGameInstanceSubsystem
+class STYLETRANSFER_API UStyleTransferSubsystem : public UGameInstanceSubsystem, public FTSTickerObjectBase
 {
 	GENERATED_BODY()
 
@@ -22,11 +23,16 @@ public:
 	virtual void Deinitialize() override;
 	// --
 
+	// - FTSTickerObjectBase
+	virtual bool Tick(float DeltaTime) override final;
+	// --
+
 	void StartStylizingViewport(FViewportClient* ViewportClient);
 	void StopStylizingViewport();
 
-	void UpdateStyle(UTexture2D* StyleTexture);
+	void UpdateStyle(UTexture2D* StyleTexture, int32 StylePredictionInferenceContext);
 	void UpdateStyle(FString StyleTensorDataPath);
+	void InterpolateStyles(int32 StylePredictionInferenceContextA, int32 StylePredictionInferenceContextB, float Alpha);
 
 private:
 	FStyleTransferSceneViewExtension::Ptr StyleTransferSceneViewExtension;
@@ -37,7 +43,7 @@ private:
 	UPROPERTY()
 	TObjectPtr<UNeuralNetwork> StylePredictionNetwork;
 
-	int32 StylePredictionInferenceContext = INDEX_NONE;
+	TArray<int32> StylePredictionInferenceContexts;
 	TSharedPtr<int32, ESPMode::ThreadSafe> StyleTransferInferenceContext;
 
 
@@ -46,4 +52,6 @@ private:
 	void HandleConsoleVariableChanged(IConsoleVariable*);
 
 	void LoadNetworks();
+
+	IRenderCaptureProvider* ConditionalBeginRenderCapture(FRHICommandListImmediate& RHICommandList);
 };

Plugins/StyleTransfer/Source/StyleTransfer/StyleTransfer.Build.cs

@@ -1,4 +1,4 @@
-// Copyright Epic Games, Inc. All Rights Reserved.
+// Copyright Manuel Wagner All Rights Reserved.
 
 using System.IO;
 using UnrealBuildTool;

Plugins/StyleTransfer/Source/StyleTransferShaders/Private/InterpolateTensorsCS.cpp

@@ -0,0 +1,19 @@
+// Copyright Manuel Wagner All Rights Reserved.
+
+#include "InterpolateTensorsCS.h"
+
+const FIntVector FInterpolateTensorsCS::ThreadGroupSize{64, 1, 1};
+
+
+void FInterpolateTensorsCS::ModifyCompilationEnvironment(const FGlobalShaderPermutationParameters& Parameters, FShaderCompilerEnvironment& OutEnvironment)
+{
+	FGlobalShader::ModifyCompilationEnvironment(Parameters, OutEnvironment);
+
+	OutEnvironment.SetDefine(TEXT("THREADGROUP_SIZE_X"), ThreadGroupSize.X);
+	OutEnvironment.SetDefine(TEXT("THREADGROUP_SIZE_Y"), ThreadGroupSize.Y);
+	OutEnvironment.SetDefine(TEXT("THREADGROUP_SIZE_Z"), ThreadGroupSize.Z);
+}
+
+IMPLEMENT_GLOBAL_SHADER(FInterpolateTensorsCS,
+                        "/Plugins/StyleTransfer/Shaders/Private/InterpolateTensors.usf",
+                        "InterpolateTensorsCS", SF_Compute); // Path defined in StyleTransferModule.cpp

Plugins/StyleTransfer/Source/StyleTransferShaders/Private/OutputTensorToSceneColorCS.cpp

@@ -1,4 +1,4 @@
-// Copyright Epic Games, Inc. All Rights Reserved.
+// Copyright Manuel Wagner All Rights Reserved.
 
 #include "OutputTensorToSceneColorCS.h"
 

Plugins/StyleTransfer/Source/StyleTransferShaders/Private/SceneColorToInputTensorCS.cpp

@@ -1,4 +1,4 @@
-// Copyright Epic Games, Inc. All Rights Reserved.
+// Copyright Manuel Wagner All Rights Reserved.
 
 #include "SceneColorToInputTensorCS.h"
 

Plugins/StyleTransfer/Source/StyleTransferShaders/Public/InterpolateTensorsCS.h

@@ -0,0 +1,41 @@
+// Copyright Manuel Wagner All Rights Reserved.
+
+#pragma once
+
+// GPU/RHI/shaders
+#include "GlobalShader.h"
+#include "RHI.h"
+#include "ProfilingDebugging/RealtimeGPUProfiler.h"
+#include "RenderGraphUtils.h"
+#include "ShaderParameterUtils.h"
+
+
+
+class STYLETRANSFERSHADERS_API FInterpolateTensorsCS : public FGlobalShader
+{
+	DECLARE_GLOBAL_SHADER(FInterpolateTensorsCS);
+	SHADER_USE_PARAMETER_STRUCT(FInterpolateTensorsCS, FGlobalShader)
+
+
+	static const FIntVector ThreadGroupSize;
+
+
+	BEGIN_SHADER_PARAMETER_STRUCT(FParameters, )
+		SHADER_PARAMETER_RDG_BUFFER_UAV(RWBuffer<float>, OutputUAV)
+		// Unreal sadly does not support arrays of Buffers in shader compiler
+		SHADER_PARAMETER_RDG_BUFFER_SRV(Buffer<float>, InputSrvA)
+		SHADER_PARAMETER_RDG_BUFFER_SRV(Buffer<float>, InputSrvB)
+		SHADER_PARAMETER(float, Alpha)
+		SHADER_PARAMETER(uint32, TensorVolume)
+	END_SHADER_PARAMETER_STRUCT()
+
+	// - FShader
+	static bool ShouldCompilePermutation(const FGlobalShaderPermutationParameters& Parameters) {
+		return GetMaxSupportedFeatureLevel(Parameters.Platform) >= ERHIFeatureLevel::SM5;
+	}
+
+	static void ModifyCompilationEnvironment(const FGlobalShaderPermutationParameters& Parameters, FShaderCompilerEnvironment& OutEnvironment);
+	// --
+
+private:
+};

Plugins/StyleTransfer/Source/StyleTransferShaders/Public/OutputTensorToSceneColorCS.h

@@ -1,4 +1,4 @@
-// Copyright Epic Games, Inc. All Rights Reserved.
+// Copyright Manuel Wagner All Rights Reserved.
 
 #pragma once
 

Plugins/StyleTransfer/Source/StyleTransferShaders/Public/SceneColorToInputTensorCS.h

@@ -1,4 +1,4 @@
-// Copyright Epic Games, Inc. All Rights Reserved.
+// Copyright Manuel Wagner All Rights Reserved.
 
 #pragma once
 

Source/LyraGame/GameFeatures/GameFeatureAction_StyleTransfer.cpp

@@ -1,25 +0,0 @@
-
-
-#include "GameFeatureAction_StyleTransfer.h"
-
-#include "StyleTransferSubsystem.h"
-
-void UGameFeatureAction_StyleTransfer::OnGameFeatureActivating(FGameFeatureActivatingContext& Context)
-{
-	Super::OnGameFeatureActivating(Context);
-}
-
-void UGameFeatureAction_StyleTransfer::OnGameFeatureDeactivating(FGameFeatureDeactivatingContext& Context)
-{
-	Super::OnGameFeatureDeactivating(Context);
-
-	// @todo shutdown cleanly
-}
-
-void UGameFeatureAction_StyleTransfer::AddToWorld(const FWorldContext& WorldContext, const FGameFeatureStateChangeContext& ChangeContext)
-{
-	auto* StyleTransferSubsystem = WorldContext.OwningGameInstance->GetSubsystem<UStyleTransferSubsystem>();
-
-	UGameViewportClient* GameViewportClient = WorldContext.GameViewport;
-	StyleTransferSubsystem->StartStylizingViewport(GameViewportClient);
-}

Source/LyraGame/GameFeatures/GameFeatureAction_StyleTransfer.h

@@ -1,22 +0,0 @@
-// Fill out your copyright notice in the Description page of Project Settings.
-
-#pragma once
-
-#include "CoreMinimal.h"
-#include "GameFeatureAction_WorldActionBase.h"
-#include "UObject/Object.h"
-#include "GameFeatureAction_StyleTransfer.generated.h"
-
-/**
- *
- */
-UCLASS()
-class LYRAGAME_API UGameFeatureAction_StyleTransfer : public UGameFeatureAction_WorldActionBase
-{
-	GENERATED_BODY()
-public:
-	virtual void OnGameFeatureActivating(FGameFeatureActivatingContext& Context) override;
-	virtual void OnGameFeatureDeactivating(FGameFeatureDeactivatingContext& Context) override;
-private:
-	virtual void AddToWorld(const FWorldContext& WorldContext, const FGameFeatureStateChangeContext& ChangeContext) override;
-};