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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef StatsLayer_DEFINED
#define StatsLayer_DEFINED
#include "SkColor.h"
#include "SkString.h"
#include "sk_app/Window.h"
class StatsLayer : public sk_app::Window::Layer {
public:
StatsLayer();
void resetMeasurements();
typedef int Timer;
Timer addTimer(const char* label, SkColor color, SkColor labelColor = 0);
void beginTiming(Timer);
void endTiming(Timer);
double getLastTime(Timer);
void onPaint(SkCanvas* canvas) override;
private:
static const int kMeasurementCount = 1 << 6; // should be power of 2 for fast mod
struct TimerData {
double fTimes[kMeasurementCount];
SkString fLabel;
SkColor fColor;
SkColor fLabelColor;
};
SkTArray<TimerData> fTimers;
int fCurrentMeasurement;
double fCumulativeMeasurementTime;
int fCumulativeMeasurementCount;
};
#endif
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