| /* |
| * 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 "include/private/base/SkTArray.h" |
| #include "tools/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); |
| |
| void onPrePaint() override; |
| void onPaint(SkSurface*) override; |
| |
| void setDisplayScale(float scale) { fDisplayScale = scale; } |
| |
| 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; |
| }; |
| skia_private::TArray<TimerData> fTimers; |
| double fTotalTimes[kMeasurementCount]; |
| int fCurrentMeasurement; |
| double fLastTotalBegin; |
| double fCumulativeMeasurementTime; |
| int fCumulativeMeasurementCount; |
| float fDisplayScale; |
| }; |
| |
| #endif |