Brian Osman | 56a2481 | 2017-12-19 11:15:16 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #ifndef StatsLayer_DEFINED |
| 9 | #define StatsLayer_DEFINED |
| 10 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 11 | #include "include/core/SkColor.h" |
| 12 | #include "include/core/SkString.h" |
| 13 | #include "tools/sk_app/Window.h" |
Brian Osman | 56a2481 | 2017-12-19 11:15:16 -0500 | [diff] [blame] | 14 | |
| 15 | class StatsLayer : public sk_app::Window::Layer { |
| 16 | public: |
| 17 | StatsLayer(); |
| 18 | void resetMeasurements(); |
| 19 | |
| 20 | typedef int Timer; |
| 21 | |
| 22 | Timer addTimer(const char* label, SkColor color, SkColor labelColor = 0); |
| 23 | void beginTiming(Timer); |
| 24 | void endTiming(Timer); |
Brian Osman | 56a2481 | 2017-12-19 11:15:16 -0500 | [diff] [blame] | 25 | |
Greg Daniel | 655002b | 2019-03-21 14:43:00 -0400 | [diff] [blame] | 26 | void onPrePaint() override; |
Robert Phillips | 9882dae | 2019-03-04 11:00:10 -0500 | [diff] [blame] | 27 | void onPaint(SkSurface*) override; |
Brian Osman | 56a2481 | 2017-12-19 11:15:16 -0500 | [diff] [blame] | 28 | |
Brian Osman | b63f600 | 2018-07-24 18:01:53 -0400 | [diff] [blame] | 29 | void setDisplayScale(float scale) { fDisplayScale = scale; } |
| 30 | |
Brian Osman | 56a2481 | 2017-12-19 11:15:16 -0500 | [diff] [blame] | 31 | private: |
| 32 | static const int kMeasurementCount = 1 << 6; // should be power of 2 for fast mod |
| 33 | struct TimerData { |
| 34 | double fTimes[kMeasurementCount]; |
| 35 | SkString fLabel; |
| 36 | SkColor fColor; |
| 37 | SkColor fLabelColor; |
| 38 | }; |
| 39 | SkTArray<TimerData> fTimers; |
Greg Daniel | 655002b | 2019-03-21 14:43:00 -0400 | [diff] [blame] | 40 | double fTotalTimes[kMeasurementCount]; |
Brian Osman | 56a2481 | 2017-12-19 11:15:16 -0500 | [diff] [blame] | 41 | int fCurrentMeasurement; |
Greg Daniel | 655002b | 2019-03-21 14:43:00 -0400 | [diff] [blame] | 42 | double fLastTotalBegin; |
Brian Osman | 56a2481 | 2017-12-19 11:15:16 -0500 | [diff] [blame] | 43 | double fCumulativeMeasurementTime; |
| 44 | int fCumulativeMeasurementCount; |
Brian Osman | b63f600 | 2018-07-24 18:01:53 -0400 | [diff] [blame] | 45 | float fDisplayScale; |
Brian Osman | 56a2481 | 2017-12-19 11:15:16 -0500 | [diff] [blame] | 46 | }; |
| 47 | |
| 48 | #endif |