RenderCounters.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
 
class FPixelRenderCounters
{
public:
    float GetResolutionFraction() const
    {
        return ResolutionFraction;
    }
 
    FIntPoint GetRenderResolution() const
    {
        return RenderResolution;
    }
 
    uint32 GetPixelRenderCount() const
    {
        return PrevPixelRenderCount;
    }
 
    uint32 GetPixelDisplayCount() const
    {
        return PrevPixelDisplayCount;
    }
 
    void AddViewStatistics(float InResolutionFraction, FIntPoint InRenderResolution, uint32 PixelDisplayCount)
    {
        ResolutionFraction = InResolutionFraction;
        RenderResolution = InRenderResolution;
        CurrentPixelRenderCount += InRenderResolution.X * InRenderResolution.Y;
        CurrentPixelDisplayCount += PixelDisplayCount;
    }
 
private:
    float ResolutionFraction = 0.0f;
    FIntPoint RenderResolution = FIntPoint(0, 0);
    uint32 PrevPixelRenderCount = 0;
    uint32 PrevPixelDisplayCount = 0;
    uint32 CurrentPixelRenderCount = 0;
    uint32 CurrentPixelDisplayCount = 0;
 
    friend void TickPixelRenderCounters();
};
 
extern RENDERCORE_API FPixelRenderCounters GPixelRenderCounters;