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1502e84e56
#jira UE-140874 #fyi Brandon.Schaefer #preflight 6201451e6773a3612898bddb #rb none [CL 18886574 by ionut matasaru in ue5-main branch]
96 lines
1.5 KiB
C++
96 lines
1.5 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "ProfilerFPSAnalyzer.h"
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#if STATS
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void FFPSAnalyzer::Reset()
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{
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Samples.Reset();
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Histogram.Reset();
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Histogram.AddZeroed((MaxVal-MinVal)/Interval+1);
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MinFPS = 9999;
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MaxFPS = 0;
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AveFPS = 0;
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FPS90 = 0;
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FPS60 = 0;
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FPS30 = 0;
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FPS25 = 0;
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FPS20 = 0;
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}
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void FFPSAnalyzer::AddSample(float FPSSample)
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{
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Samples.Add(FPSSample);
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float DeltaSeconds = 1.0f / FPSSample;
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int32 Index = FPlatformMath::FloorToInt(FPSSample / Interval);
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Index = Index >= Histogram.Num() ? Histogram.Num()-1 : Index;
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Histogram[Index].Count++;
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Histogram[Index].CummulativeTime += DeltaSeconds;
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if (FPSSample >= 90)
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{
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FPS90++;
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}
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if (FPSSample >= 60)
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{
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FPS60++;
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}
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if (FPSSample >= 30)
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{
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FPS30++;
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}
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if (FPSSample >= 25)
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{
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FPS25++;
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}
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if (FPSSample >= 20)
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{
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FPS20++;
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}
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if (FPSSample > MaxFPS)
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{
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MaxFPS = FPSSample;
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}
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if (FPSSample < MinFPS)
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{
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MinFPS = FPSSample;
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}
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AveFPS = (FPSSample + (float)(Samples.Num()-1) * AveFPS) / (float)Samples.Num();
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}
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SIZE_T FFPSAnalyzer::GetMemoryUsage() const
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{
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const SIZE_T MemoryAllocated = Samples.GetAllocatedSize() + Histogram.GetAllocatedSize();
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return MemoryAllocated;
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}
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int32 FFPSAnalyzer::GetTotalCount()
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{
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return Samples.Num();
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}
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int32 FFPSAnalyzer::GetCount(float InMinVal, float InMaxVal)
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{
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int32 Index = FPlatformMath::FloorToInt(InMinVal / Interval);
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Index = Index >= Histogram.Num() ? Histogram.Num()-1 : Index;
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return Histogram[Index].Count;
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}
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#endif // STATS
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