skia2/tools/viewer/StatsLayer.h
Brian Osman 56a24813a4 Move stats code to new layer (with configurable list of timers)
Bug: skia:
Change-Id: I3ca5c8c7047309983018339ec7b71b9aea5ee786
Reviewed-on: https://skia-review.googlesource.com/86921
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
2017-12-20 16:59:04 +00:00

44 lines
1004 B
C++

/*
* 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