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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/scheduler.h" | 5 #include "cc/scheduler/scheduler.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include "base/auto_reset.h" | 8 #include "base/auto_reset.h" |
9 #include "base/debug/trace_event.h" | 9 #include "base/debug/trace_event.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
| 11 #include "cc/debug/devtools_instrumentation.h" |
11 #include "cc/debug/traced_value.h" | 12 #include "cc/debug/traced_value.h" |
12 #include "ui/gfx/frame_time.h" | 13 #include "ui/gfx/frame_time.h" |
13 | 14 |
14 namespace cc { | 15 namespace cc { |
15 | 16 |
16 Scheduler::Scheduler(SchedulerClient* client, | 17 Scheduler::Scheduler(SchedulerClient* client, |
17 const SchedulerSettings& scheduler_settings) | 18 const SchedulerSettings& scheduler_settings, |
| 19 int layer_tree_host_id) |
18 : settings_(scheduler_settings), | 20 : settings_(scheduler_settings), |
19 client_(client), | 21 client_(client), |
| 22 layer_tree_host_id_(layer_tree_host_id), |
20 last_set_needs_begin_impl_frame_(false), | 23 last_set_needs_begin_impl_frame_(false), |
21 state_machine_(scheduler_settings), | 24 state_machine_(scheduler_settings), |
22 inside_process_scheduled_actions_(false), | 25 inside_process_scheduled_actions_(false), |
23 inside_action_(SchedulerStateMachine::ACTION_NONE), | 26 inside_action_(SchedulerStateMachine::ACTION_NONE), |
24 weak_factory_(this) { | 27 weak_factory_(this) { |
25 DCHECK(client_); | 28 DCHECK(client_); |
26 DCHECK(!state_machine_.BeginImplFrameNeeded()); | 29 DCHECK(!state_machine_.BeginImplFrameNeeded()); |
27 } | 30 } |
28 | 31 |
29 Scheduler::~Scheduler() {} | 32 Scheduler::~Scheduler() {} |
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209 state_machine_.MainThreadIsInHighLatencyMode() && | 212 state_machine_.MainThreadIsInHighLatencyMode() && |
210 CanCommitAndActivateBeforeDeadline()); | 213 CanCommitAndActivateBeforeDeadline()); |
211 } | 214 } |
212 | 215 |
213 ProcessScheduledActions(); | 216 ProcessScheduledActions(); |
214 | 217 |
215 if (!state_machine_.HasInitializedOutputSurface()) | 218 if (!state_machine_.HasInitializedOutputSurface()) |
216 return; | 219 return; |
217 | 220 |
218 state_machine_.OnBeginImplFrameDeadlinePending(); | 221 state_machine_.OnBeginImplFrameDeadlinePending(); |
219 | 222 devtools_instrumentation::didBeginFrame(layer_tree_host_id_); |
220 if (settings_.using_synchronous_renderer_compositor) { | 223 if (settings_.using_synchronous_renderer_compositor) { |
221 // The synchronous renderer compositor has to make its GL calls | 224 // The synchronous renderer compositor has to make its GL calls |
222 // within this call to BeginImplFrame. | 225 // within this call to BeginImplFrame. |
223 // TODO(brianderson): Have the OutputSurface initiate the deadline tasks | 226 // TODO(brianderson): Have the OutputSurface initiate the deadline tasks |
224 // so the sychronous renderer compositor can take advantage of splitting | 227 // so the sychronous renderer compositor can take advantage of splitting |
225 // up the BeginImplFrame and deadline as well. | 228 // up the BeginImplFrame and deadline as well. |
226 OnBeginImplFrameDeadline(); | 229 OnBeginImplFrameDeadline(); |
227 } else if (!settings_.deadline_scheduling_enabled) { | 230 } else if (!settings_.deadline_scheduling_enabled) { |
228 // We emulate the old non-deadline scheduler here by posting the | 231 // We emulate the old non-deadline scheduler here by posting the |
229 // deadline task without any delay. | 232 // deadline task without any delay. |
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375 // impl thread's deadline. | 378 // impl thread's deadline. |
376 base::TimeTicks estimated_draw_time = | 379 base::TimeTicks estimated_draw_time = |
377 last_begin_impl_frame_args_.frame_time + | 380 last_begin_impl_frame_args_.frame_time + |
378 client_->BeginMainFrameToCommitDurationEstimate() + | 381 client_->BeginMainFrameToCommitDurationEstimate() + |
379 client_->CommitToActivateDurationEstimate(); | 382 client_->CommitToActivateDurationEstimate(); |
380 | 383 |
381 return estimated_draw_time < last_begin_impl_frame_args_.deadline; | 384 return estimated_draw_time < last_begin_impl_frame_args_.deadline; |
382 } | 385 } |
383 | 386 |
384 } // namespace cc | 387 } // namespace cc |
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