| OLD | NEW |
| 1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "cc/scheduler/delay_based_time_source.h" | 5 #include "cc/scheduler/delay_based_time_source.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 #include <cmath> | 8 #include <cmath> |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
| (...skipping 19 matching lines...) Expand all Loading... |
| 30 // within the thresholds, the change will take place on the next tick. If | 30 // within the thresholds, the change will take place on the next tick. If |
| 31 // either change is outside the thresholds, the next tick will be canceled and | 31 // either change is outside the thresholds, the next tick will be canceled and |
| 32 // reissued immediately. | 32 // reissued immediately. |
| 33 static const double kIntervalChangeThreshold = 0.25; | 33 static const double kIntervalChangeThreshold = 0.25; |
| 34 static const double kPhaseChangeThreshold = 0.25; | 34 static const double kPhaseChangeThreshold = 0.25; |
| 35 | 35 |
| 36 } // namespace | 36 } // namespace |
| 37 | 37 |
| 38 // The following methods correspond to the DelayBasedTimeSource that uses | 38 // The following methods correspond to the DelayBasedTimeSource that uses |
| 39 // the base::TimeTicks::Now as the timebase. | 39 // the base::TimeTicks::Now as the timebase. |
| 40 scoped_refptr<DelayBasedTimeSourceHighRes> DelayBasedTimeSourceHighRes::Create( | |
| 41 base::TimeDelta interval, | |
| 42 base::SingleThreadTaskRunner* task_runner) { | |
| 43 return make_scoped_refptr( | |
| 44 new DelayBasedTimeSourceHighRes(interval, task_runner)); | |
| 45 } | |
| 46 | |
| 47 DelayBasedTimeSourceHighRes::DelayBasedTimeSourceHighRes( | |
| 48 base::TimeDelta interval, | |
| 49 base::SingleThreadTaskRunner* task_runner) | |
| 50 : DelayBasedTimeSource(interval, task_runner) { | |
| 51 } | |
| 52 | |
| 53 DelayBasedTimeSourceHighRes::~DelayBasedTimeSourceHighRes() {} | |
| 54 | |
| 55 base::TimeTicks DelayBasedTimeSourceHighRes::Now() const { | |
| 56 return base::TimeTicks::Now(); | |
| 57 } | |
| 58 | |
| 59 // The following methods correspond to the DelayBasedTimeSource that uses | |
| 60 // the base::TimeTicks::Now as the timebase. | |
| 61 scoped_refptr<DelayBasedTimeSource> DelayBasedTimeSource::Create( | 40 scoped_refptr<DelayBasedTimeSource> DelayBasedTimeSource::Create( |
| 62 base::TimeDelta interval, | 41 base::TimeDelta interval, |
| 63 base::SingleThreadTaskRunner* task_runner) { | 42 base::SingleThreadTaskRunner* task_runner) { |
| 64 return make_scoped_refptr(new DelayBasedTimeSource(interval, task_runner)); | 43 return make_scoped_refptr(new DelayBasedTimeSource(interval, task_runner)); |
| 65 } | 44 } |
| 66 | 45 |
| 67 DelayBasedTimeSource::DelayBasedTimeSource( | 46 DelayBasedTimeSource::DelayBasedTimeSource( |
| 68 base::TimeDelta interval, | 47 base::TimeDelta interval, |
| 69 base::SingleThreadTaskRunner* task_runner) | 48 base::SingleThreadTaskRunner* task_runner) |
| 70 : client_(NULL), | 49 : client_(NULL), |
| (...skipping 194 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 265 delay); | 244 delay); |
| 266 | 245 |
| 267 next_parameters_.tick_target = new_tick_target; | 246 next_parameters_.tick_target = new_tick_target; |
| 268 current_parameters_ = next_parameters_; | 247 current_parameters_ = next_parameters_; |
| 269 } | 248 } |
| 270 | 249 |
| 271 std::string DelayBasedTimeSource::TypeString() const { | 250 std::string DelayBasedTimeSource::TypeString() const { |
| 272 return "DelayBasedTimeSource"; | 251 return "DelayBasedTimeSource"; |
| 273 } | 252 } |
| 274 | 253 |
| 275 std::string DelayBasedTimeSourceHighRes::TypeString() const { | |
| 276 return "DelayBasedTimeSourceHighRes"; | |
| 277 } | |
| 278 | |
| 279 void DelayBasedTimeSource::AsValueInto( | 254 void DelayBasedTimeSource::AsValueInto( |
| 280 base::trace_event::TracedValue* state) const { | 255 base::trace_event::TracedValue* state) const { |
| 281 state->SetString("type", TypeString()); | 256 state->SetString("type", TypeString()); |
| 282 state->SetDouble("last_tick_time_us", LastTickTime().ToInternalValue()); | 257 state->SetDouble("last_tick_time_us", LastTickTime().ToInternalValue()); |
| 283 state->SetDouble("next_tick_time_us", NextTickTime().ToInternalValue()); | 258 state->SetDouble("next_tick_time_us", NextTickTime().ToInternalValue()); |
| 284 | 259 |
| 285 state->BeginDictionary("current_parameters"); | 260 state->BeginDictionary("current_parameters"); |
| 286 state->SetDouble("interval_us", | 261 state->SetDouble("interval_us", |
| 287 current_parameters_.interval.InMicroseconds()); | 262 current_parameters_.interval.InMicroseconds()); |
| 288 state->SetDouble("tick_target_us", | 263 state->SetDouble("tick_target_us", |
| 289 current_parameters_.tick_target.ToInternalValue()); | 264 current_parameters_.tick_target.ToInternalValue()); |
| 290 state->EndDictionary(); | 265 state->EndDictionary(); |
| 291 | 266 |
| 292 state->BeginDictionary("next_parameters"); | 267 state->BeginDictionary("next_parameters"); |
| 293 state->SetDouble("interval_us", next_parameters_.interval.InMicroseconds()); | 268 state->SetDouble("interval_us", next_parameters_.interval.InMicroseconds()); |
| 294 state->SetDouble("tick_target_us", | 269 state->SetDouble("tick_target_us", |
| 295 next_parameters_.tick_target.ToInternalValue()); | 270 next_parameters_.tick_target.ToInternalValue()); |
| 296 state->EndDictionary(); | 271 state->EndDictionary(); |
| 297 | 272 |
| 298 state->SetBoolean("active", active_); | 273 state->SetBoolean("active", active_); |
| 299 } | 274 } |
| 300 | 275 |
| 301 } // namespace cc | 276 } // namespace cc |
| OLD | NEW |