OptiFlowUE4.patch

diff --git a/./UE4-original/Engine/Source/Runtime/Renderer/Private/PostProcess/PostProcessing.cpp b/./UnrealEngine-release/Engine/Source/Runtime/Renderer/Private/PostProcess/PostProcessing.cpp
index 382055c..0131405 100644
--- a/./UE4-original/Engine/Source/Runtime/Renderer/Private/PostProcess/PostProcessing.cpp
+++ b/./UnrealEngine-release/Engine/Source/Runtime/Renderer/Private/PostProcess/PostProcessing.cpp
@@ -1050,7 +1050,8 @@ static FRenderingCompositeOutputRef AddPostProcessMaterialChain(
 	EBlendableLocation InLocation,
 	FRenderingCompositeOutputRef SeparateTranslucency = FRenderingCompositeOutputRef(),
 	FRenderingCompositeOutputRef PreTonemapHDRColor = FRenderingCompositeOutputRef(),
-	FRenderingCompositeOutputRef PostTonemapHDRColor = FRenderingCompositeOutputRef())
+	FRenderingCompositeOutputRef PostTonemapHDRColor = FRenderingCompositeOutputRef(),
+	FRenderingCompositeOutputRef VelocityRT = FRenderingCompositeOutputRef())
 {
 	if( !Context.View.Family->EngineShowFlags.PostProcessing ||
 		!Context.View.Family->EngineShowFlags.PostProcessMaterial ||
@@ -1130,8 +1131,10 @@ static FRenderingCompositeOutputRef AddPostProcessMaterialChain(
 		{
 			Node->SetInput(ePId_Input2, PreTonemapHDRColor);
 			Node->SetInput(ePId_Input3, PostTonemapHDRColor);
-		}
-
+		} else {
+			Node->SetInput(ePId_Input2, VelocityRT);
+		}
+
 		LastestOutput = FRenderingCompositeOutputRef(Node);
 	}
 
@@ -1456,7 +1459,7 @@ void FPostProcessing::Process(FRHICommandListImmediate& RHICmdList, const FViewI
 				VelocityInput = Context.Graph.RegisterPass(new(FMemStack::Get()) FRCPassPostProcessInput(VelocityRT));
 			}
 
-			Context.FinalOutput = AddPostProcessMaterialChain(Context, BL_BeforeTranslucency, SeparateTranslucency);
+			Context.FinalOutput = AddPostProcessMaterialChain(Context, BL_BeforeTranslucency, SeparateTranslucency,FRenderingCompositeOutputRef(),FRenderingCompositeOutputRef(),VelocityInput);
 
 			static const auto CVar = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.DepthOfFieldQuality"));
 			check(CVar)
diff --git a/./UE4-original/Engine/Config/ConsoleVariables.ini b/./UnrealEngine-release/Engine/Config/ConsoleVariables.ini
index 4e9ddce..4a59278 100644
--- a/./UE4-original/Engine/Config/ConsoleVariables.ini
+++ b/./UnrealEngine-release/Engine/Config/ConsoleVariables.ini
@@ -63,3 +63,6 @@
 ;r.AsyncPipelineCompile=0
 
 net.UseAdaptiveNetUpdateFrequency=0
+
+; OptiFlow patch: without this velocity buffer won't be calculated even for movable, but currently still objects or stationary objects
+r.BasePassOutputsVelocity=True