128 lines
5.0 KiB
C++
128 lines
5.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreTypes.h"
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#include "Fonts/SlateFontInfo.h"
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#include "Templates/SharedPointer.h"
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// TraceInsights
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#include "Insights/ViewModels/BaseTimingTrack.h"
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#define UE_API TRACEINSIGHTS_API
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////////////////////////////////////////////////////////////////////////////////////////////////////
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struct FSlateBrush;
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class ITimingEventsTrackDrawStateBuilder
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{
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public:
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typedef TFunctionRef<const FString(float /*AvailableWidth*/)> GetEventNameCallback;
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public:
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virtual ~ITimingEventsTrackDrawStateBuilder() = default;
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virtual void AddEvent(double InEventStartTime, double InEventEndTime, uint32 InEventDepth, const TCHAR* InEventName, uint64 InEventType = 0, uint32 InEventColor = 0) = 0;
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virtual void AddEvent(double InEventStartTime, double InEventEndTime, uint32 InEventDepth, uint32 InEventColor, GetEventNameCallback InGetEventNameCallback) = 0;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class FTimingEventsTrack : public FBaseTimingTrack
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{
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INSIGHTS_DECLARE_RTTI(FTimingEventsTrack, FBaseTimingTrack, UE_API)
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public:
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UE_API explicit FTimingEventsTrack();
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UE_API explicit FTimingEventsTrack(const FString& InTrackName);
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UE_API virtual ~FTimingEventsTrack();
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//////////////////////////////////////////////////
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// FBaseTimingTrack
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UE_API virtual void Reset() override;
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UE_API virtual void PreUpdate(const ITimingTrackUpdateContext& Context) override;
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UE_API virtual void PostUpdate(const ITimingTrackUpdateContext& Context) override;
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UE_API virtual void Draw(const ITimingTrackDrawContext& Context) const override;
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UE_API virtual void PostDraw(const ITimingTrackDrawContext& Context) const override;
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UE_API virtual void DrawEvent(const ITimingTrackDrawContext& Context, const ITimingEvent& InTimingEvent, EDrawEventMode InDrawMode) const override;
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UE_API virtual const TSharedPtr<const ITimingEvent> GetEvent(float InPosX, float InPosY, const FTimingTrackViewport& Viewport) const override;
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UE_API virtual TSharedPtr<ITimingEventFilter> GetFilterByEvent(const TSharedPtr<const ITimingEvent> InTimingEvent) const override;
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//////////////////////////////////////////////////
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virtual void BuildDrawState(ITimingEventsTrackDrawStateBuilder& Builder, const ITimingTrackUpdateContext& Context) = 0;
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virtual void BuildFilteredDrawState(ITimingEventsTrackDrawStateBuilder& Builder, const ITimingTrackUpdateContext& Context) {}
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protected:
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int32 GetNumLanes() const { return NumLanes; }
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void SetNumLanes(int32 InNumLanes) { NumLanes = InNumLanes; }
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const struct FTimingEventsTrackDrawState& GetDrawState() const { return *DrawState; }
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const struct FTimingEventsTrackDrawState& GetFilteredDrawState() const { return *FilteredDrawState; }
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float GetFilteredDrawStateOpacity() const { return FilteredDrawStateInfo.Opacity; }
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bool UpdateFilteredDrawStateOpacity() const
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{
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if (FilteredDrawStateInfo.Opacity == 1.0f)
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{
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return true;
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}
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else
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{
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FilteredDrawStateInfo.Opacity = FMath::Min(1.0f, FilteredDrawStateInfo.Opacity + 0.05f);
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return false;
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}
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}
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UE_API void UpdateTrackHeight(const ITimingTrackUpdateContext& Context);
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UE_API void DrawEvents(const ITimingTrackDrawContext& Context, const float OffsetY = 1.0f) const;
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UE_API void DrawHeader(const ITimingTrackDrawContext& Context) const;
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UE_API void DrawMarkers(const ITimingTrackDrawContext& Context, float LineY, float LineH) const;
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UE_API void DrawSelectedEventInfo(const FString& InText, const FTimingTrackViewport& Viewport, const UE::Insights::FDrawContext& DrawContext, const FSlateBrush* WhiteBrush, const FSlateFontInfo& Font) const;
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UE_API void DrawSelectedEventInfoEx(const FString& InText, const FString& InLeftText, const FString& InTopText, const FTimingTrackViewport& Viewport, const UE::Insights::FDrawContext& DrawContext, const FSlateBrush* WhiteBrush, const FSlateFontInfo& Font) const;
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UE_API int32 GetHeaderBackgroundLayerId(const ITimingTrackDrawContext& Context) const;
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UE_API int32 GetHeaderTextLayerId(const ITimingTrackDrawContext& Context) const;
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UE_API virtual const TSharedPtr<const ITimingEvent> GetEvent(double InTime, double SecondsPerPixel, int32 Depth) const;
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virtual bool HasCustomFilter() const { return false; }
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/* Can be overridden to force a max depth for the track. */
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virtual int32 GetMaxDepth() const { return -1; }
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private:
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int32 NumLanes; // number of lanes (sub-tracks)
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TSharedRef<struct FTimingEventsTrackDrawState> DrawState;
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TSharedRef<struct FTimingEventsTrackDrawState> FilteredDrawState;
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struct FFilteredDrawStateInfo
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{
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double ViewportStartTime = 0.0;
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double ViewportScaleX = 0.0;
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double LastBuildDuration = 0.0;
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TWeakPtr<ITimingEventFilter> LastEventFilter;
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uint32 LastFilterChangeNumber = 0;
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uint32 Counter = 0;
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mutable float Opacity = 0.0f;
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};
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FFilteredDrawStateInfo FilteredDrawStateInfo;
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public:
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static UE_API bool bUseDownSampling; // toggle to enable/disable downsampling, for debugging purposes only
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#undef UE_API
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