blob: 79f4a780f096fcc1045bff6e6d4a3604abfc14c8 [file] [log] [blame]
* 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 "include/core/SkColor.h"
#include "include/core/SkString.h"
#include "tools/sk_app/Window.h"
class StatsLayer : public sk_app::Window::Layer {
void resetMeasurements();
typedef int Timer;
Timer addTimer(const char* label, SkColor color, SkColor labelColor = 0);
void beginTiming(Timer);
void endTiming(Timer);
void onPrePaint() override;
void onPaint(SkSurface*) override;
void setDisplayScale(float scale) { fDisplayScale = scale; }
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;
double fTotalTimes[kMeasurementCount];
int fCurrentMeasurement;
double fLastTotalBegin;
double fCumulativeMeasurementTime;
int fCumulativeMeasurementCount;
float fDisplayScale;