Add a new scheduler mode main thread should always be low latency.
[chromium-blink-merge.git] / cc / scheduler / scheduler_settings.h
blob4ff3c7eb5f7a3bcce279d38dd28d6b91e8dc4716
1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CC_SCHEDULER_SCHEDULER_SETTINGS_H_
6 #define CC_SCHEDULER_SCHEDULER_SETTINGS_H_
8 #include "base/memory/ref_counted.h"
9 #include "base/time/time.h"
10 #include "base/values.h"
11 #include "cc/base/cc_export.h"
13 namespace base {
14 namespace debug {
15 class ConvertableToTraceFormat;
19 namespace cc {
20 class LayerTreeSettings;
22 class CC_EXPORT SchedulerSettings {
23 public:
24 SchedulerSettings();
25 explicit SchedulerSettings(const LayerTreeSettings& settings);
26 ~SchedulerSettings();
28 bool use_external_begin_frame_source;
29 bool forward_begin_frames_to_children;
30 bool main_frame_before_activation_enabled;
31 bool impl_side_painting;
32 bool timeout_and_draw_when_animation_checkerboards;
33 int maximum_number_of_failed_draws_before_draw_is_forced_;
34 bool using_synchronous_renderer_compositor;
35 bool throttle_frame_production;
36 bool disable_hi_res_timer_tasks_on_battery;
38 // In main thread low latency mode the entire
39 // BeginMainFrame->Commit->Activation->Draw cycle should complete before
40 // starting the next cycle. Additionally, BeginMainFrame and Commit are
41 // completed atomically with no other tasks or actions occuring between them.
42 bool main_thread_should_always_be_low_latency;
44 base::TimeDelta background_frame_interval;
46 scoped_refptr<base::debug::ConvertableToTraceFormat> AsValue() const;
49 } // namespace cc
51 #endif // CC_SCHEDULER_SCHEDULER_SETTINGS_H_