310 lines
11 KiB
C++
310 lines
11 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "FrameTrackHelper.h"
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#include "Fonts/FontMeasure.h"
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#include "Fonts/SlateFontInfo.h"
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#include "Framework/Application/SlateApplication.h"
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#include "Rendering/DrawElements.h"
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#include "TraceServices/AnalysisService.h"
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// Insights
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#include "Insights/Common/PaintUtils.h"
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#include "Insights/InsightsStyle.h"
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#include "Insights/ViewModels/DrawHelpers.h"
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#include "Insights/ViewModels/FrameTrackViewport.h"
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#include <limits>
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// FFrameTrackSeriesBuilder
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////////////////////////////////////////////////////////////////////////////////////////////////////
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FFrameTrackSeriesBuilder::FFrameTrackSeriesBuilder(FFrameTrackSeries& InSeries, const FFrameTrackViewport& InViewport)
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: Series(InSeries), Viewport(InViewport), NumAddedFrames(0)
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{
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SampleW = Viewport.GetSampleWidth();
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FramesPerSample = Viewport.GetNumFramesPerSample();
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NumSamples = FMath::Max(0, FMath::CeilToInt(Viewport.GetWidth() / SampleW));
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FirstFrameIndex = Viewport.GetFirstFrameIndex();
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Series.NumAggregatedFrames = 0;
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Series.Samples.Reset();
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Series.Samples.AddDefaulted(NumSamples);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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void FFrameTrackSeriesBuilder::AddFrame(const Trace::FFrame& Frame)
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{
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NumAddedFrames++;
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const int32 FrameIndex = Frame.Index;
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int32 SampleIndex = (FrameIndex - FirstFrameIndex) / FramesPerSample;
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if (SampleIndex >= 0 && SampleIndex < NumSamples)
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{
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FFrameTrackSample& Sample = Series.Samples[SampleIndex];
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Sample.NumFrames++;
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double Duration = Frame.EndTime - Frame.StartTime;
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Sample.TotalDuration += Duration;
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if (Frame.StartTime < Sample.StartTime)
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{
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Sample.StartTime = Frame.StartTime;
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}
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if (Frame.EndTime > Sample.EndTime)
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{
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Sample.EndTime = Frame.EndTime;
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}
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if (Duration > Sample.LargestFrameDuration)
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{
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Sample.LargestFrameIndex = FrameIndex;
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Sample.LargestFrameStartTime = Frame.StartTime;
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Sample.LargestFrameDuration = Duration;
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}
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Series.NumAggregatedFrames++;
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// FFrameTrackDrawHelper
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////////////////////////////////////////////////////////////////////////////////////////////////////
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FFrameTrackDrawHelper::FFrameTrackDrawHelper(const FDrawContext& InDrawContext, const FFrameTrackViewport& InViewport)
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: DrawContext(InDrawContext), Viewport(InViewport), WhiteBrush(FInsightsStyle::Get().GetBrush("WhiteBrush")), HoveredFrameBorderBrush(FInsightsStyle::Get().GetBrush("HoveredEventBorder")), NumFrames(0), NumDrawSamples(0)
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{
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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void FFrameTrackDrawHelper::DrawBackground() const
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{
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const FAxisViewportInt32& ViewportX = Viewport.GetHorizontalAxisViewport();
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const float X0 = 0.0f;
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const float X1 = ViewportX.GetMinPos() - ViewportX.GetPos();
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const float X2 = ViewportX.GetMaxPos() - ViewportX.GetPos();
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const float X3 = FMath::CeilToFloat(Viewport.GetWidth());
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const float Y = 0.0f;
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const float H = FMath::CeilToFloat(Viewport.GetHeight());
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FDrawHelpers::DrawBackground(DrawContext, WhiteBrush, X0, X1, X2, X3, Y, H);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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const TCHAR* FFrameTrackDrawHelper::FrameTypeToString(int32 FrameType)
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{
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switch (FrameType)
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{
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case TraceFrameType_Game: return TEXT("Game");
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case TraceFrameType_Rendering: return TEXT("Rendering");
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default: return TEXT("Misc");
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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uint32 FFrameTrackDrawHelper::GetColor32ByFrameType(int32 FrameType)
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{
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switch (FrameType)
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{
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case TraceFrameType_Game: return 0xFF5555FF;
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case TraceFrameType_Rendering: return 0xFFFF5555;
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default: return 0xFF666666;
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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FLinearColor FFrameTrackDrawHelper::GetColorByFrameType(int32 FrameType)
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{
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constexpr float Alpha = 0.9f;
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switch (FrameType)
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{
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case TraceFrameType_Game: return FLinearColor(0.75f, 1.0f, 1.0f, Alpha);
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case TraceFrameType_Rendering: return FLinearColor(1.0f, 0.75f, 0.75f, Alpha);
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default: return FLinearColor(1.0f, 1.0f, 1.0f, Alpha);
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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void FFrameTrackDrawHelper::DrawCached(const FFrameTrackSeries& Series) const
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{
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if (Series.NumAggregatedFrames == 0)
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{
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return;
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}
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NumFrames += Series.NumAggregatedFrames;
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FLinearColor SeriesColor = GetColorByFrameType(Series.FrameType);
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const float SampleW = Viewport.GetSampleWidth();
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const int32 NumSamples = Series.Samples.Num();
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const FAxisViewportDouble& ViewportY = Viewport.GetVerticalAxisViewport();
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const float ViewHeight = FMath::RoundToFloat(Viewport.GetHeight());
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const float BaselineY = FMath::RoundToFloat(ViewportY.GetOffsetForValue(0.0));
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for (int32 SampleIndex = 0; SampleIndex < NumSamples; SampleIndex++)
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{
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const FFrameTrackSample& Sample = Series.Samples[SampleIndex];
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if (Sample.NumFrames == 0)
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{
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continue;
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}
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NumDrawSamples++;
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const float X = SampleIndex * SampleW;
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float ValueY;
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FLinearColor ColorFill = SeriesColor;
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if (Sample.LargestFrameDuration == std::numeric_limits<double>::infinity())
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{
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ValueY = ViewHeight;
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ColorFill.R = 0.0f;
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ColorFill.G = 0.0f;
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ColorFill.B = 0.0f;
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}
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else
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{
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ValueY = FMath::RoundToFloat(ViewportY.GetOffsetForValue(Sample.LargestFrameDuration));
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if (Sample.LargestFrameDuration > 1.0 / 30.0)
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{
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ColorFill.G *= 0.5f;
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ColorFill.B *= 0.5f;
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}
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else if (Sample.LargestFrameDuration > 1.0 / 60.0)
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{
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ColorFill.B *= 0.5f;
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}
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}
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const float H = ValueY - BaselineY;
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const float Y = ViewHeight - H;
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const FLinearColor ColorBorder(ColorFill.R * 0.75f, ColorFill.G * 0.75f, ColorFill.B * 0.75f, 1.0);
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if (SampleW > 2.0f)
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{
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DrawContext.DrawBox(X + 1.0f, Y + 1.0f, SampleW - 2.0f, H - 2.0f, WhiteBrush, ColorFill);
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// Draw border.
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DrawContext.DrawBox(X, Y, 1.0, H, WhiteBrush, ColorBorder);
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DrawContext.DrawBox(X + SampleW - 1.0f, Y, 1.0, H, WhiteBrush, ColorBorder);
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DrawContext.DrawBox(X + 1.0f, Y, SampleW - 2.0f, 1.0f, WhiteBrush, ColorBorder);
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DrawContext.DrawBox(X + 1.0f, Y + H - 1.0f, SampleW - 2.0f, 1.0f, WhiteBrush, ColorBorder);
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}
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else
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{
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DrawContext.DrawBox(X, Y, SampleW, H, WhiteBrush, ColorBorder);
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}
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}
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DrawContext.LayerId++;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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void FFrameTrackDrawHelper::DrawHoveredSample(const FFrameTrackSample& Sample) const
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{
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const float SampleW = Viewport.GetSampleWidth();
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const int32 FramesPerSample = Viewport.GetNumFramesPerSample();
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const int32 FirstFrameIndex = Viewport.GetFirstFrameIndex();
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const int32 SampleIndex = (Sample.LargestFrameIndex - FirstFrameIndex) / FramesPerSample;
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const float X = SampleIndex * SampleW;
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const FAxisViewportDouble& ViewportY = Viewport.GetVerticalAxisViewport();
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const float ViewHeight = FMath::RoundToFloat(Viewport.GetHeight());
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const float BaselineY = FMath::RoundToFloat(ViewportY.GetOffsetForValue(0.0));
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float ValueY;
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if (Sample.LargestFrameDuration == std::numeric_limits<double>::infinity())
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{
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ValueY = ViewHeight;
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}
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else
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{
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ValueY = FMath::RoundToFloat(ViewportY.GetOffsetForValue(Sample.LargestFrameDuration));
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}
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const float H = ValueY - BaselineY;
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const float Y = ViewHeight - H;
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const FLinearColor ColorBorder(1.0f, 1.0f, 0.0f, 1.0);
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DrawContext.DrawBox(X - 1.0f, Y - 1.0f, SampleW + 2.0f, H + 2.0f, HoveredFrameBorderBrush, ColorBorder);
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DrawContext.LayerId++;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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void FFrameTrackDrawHelper::DrawHighlightedInterval(const FFrameTrackSeries& Series, const double StartTime, const double EndTime) const
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{
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const int32 NumSamples = Series.Samples.Num();
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// TODO: binary search
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int32 Index1 = 0;
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int32 Index2 = NumSamples - 1;
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while (Index1 < NumSamples && Series.Samples[Index1].EndTime < StartTime)
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{
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Index1++;
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}
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while (Index2 >= Index1 && Series.Samples[Index2].StartTime > EndTime)
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{
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Index2--;
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}
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if (Index1 <= Index2)
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{
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const float SampleW = Viewport.GetSampleWidth();
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float X1 = Index1 * SampleW;
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float X2 = (Index2 + 1) * SampleW;
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constexpr float Y1 = 0.0f; // allows 12px for the horizontal scrollbar (one displayed on top of the track)
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const float Y2 = Viewport.GetHeight();
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constexpr float D = 2.0f; // line thickness (for both horizontal and vertical lines)
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constexpr float H = 10.0f; // height of corner lines
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const FLinearColor Color(1.0f, 1.0f, 1.0f, 1.0f);
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if (X1 >= 0.0f && X1 < Viewport.GetWidth() - 2.0f)
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{
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// Draw left side vertical lines.
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DrawContext.DrawBox(X1 - D, Y1, D, H, WhiteBrush, Color);
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DrawContext.DrawBox(X1 - D, Y2 - H, D, H, WhiteBrush, Color);
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}
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if (X2 >= -2.0f && X2 < Viewport.GetWidth())
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{
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// Draw right side vertical lines.
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DrawContext.DrawBox(X2, Y1, D, H, WhiteBrush, Color);
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DrawContext.DrawBox(X2, Y2 - H, D, H, WhiteBrush, Color);
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}
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if (X1 < 0)
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{
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X1 = 0.0f;
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}
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if (X2 > Viewport.GetWidth())
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{
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X2 = Viewport.GetWidth();
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}
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if (X1 < X2)
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{
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// Draw horizontal lines.
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DrawContext.DrawBox(X1, Y1, X2 - X1, D, WhiteBrush, Color);
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DrawContext.DrawBox(X1, Y2 - D, X2 - X1, D, WhiteBrush, Color);
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}
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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