cc/scheduler/scheduler_settings.cc

   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.
   4
   5 #include "cc/scheduler/scheduler_settings.h"
   6
   7 #include "base/debug/trace_event_argument.h"
   8 #include "cc/trees/layer_tree_settings.h"
   9
  10 namespace cc {
  11
  12 SchedulerSettings::SchedulerSettings()
  13     : use_external_begin_frame_source(false),
  14       forward_begin_frames_to_children(false),
  15       main_frame_before_activation_enabled(false),
  16       impl_side_painting(false),
  17       timeout_and_draw_when_animation_checkerboards(true),
  18       maximum_number_of_failed_draws_before_draw_is_forced_(3),
  19       using_synchronous_renderer_compositor(false),
  20       throttle_frame_production(true),
  21       disable_hi_res_timer_tasks_on_battery(false),
  22       main_thread_should_always_be_low_latency(false),
  23       background_frame_interval(base::TimeDelta::FromSeconds(1)) {
  24 }
  25
  26 SchedulerSettings::SchedulerSettings(const LayerTreeSettings& settings)
  27     : use_external_begin_frame_source(settings.use_external_begin_frame_source),
  28       forward_begin_frames_to_children(
  29           settings.forward_begin_frames_to_children),
  30       main_frame_before_activation_enabled(
  31           settings.main_frame_before_activation_enabled),
  32       impl_side_painting(settings.impl_side_painting),
  33       timeout_and_draw_when_animation_checkerboards(
  34           settings.timeout_and_draw_when_animation_checkerboards),
  35       maximum_number_of_failed_draws_before_draw_is_forced_(
  36           settings.maximum_number_of_failed_draws_before_draw_is_forced_),
  37       using_synchronous_renderer_compositor(
  38           settings.using_synchronous_renderer_compositor),
  39       throttle_frame_production(settings.throttle_frame_production),
  40       disable_hi_res_timer_tasks_on_battery(
  41           settings.disable_hi_res_timer_tasks_on_battery),
  42       main_thread_should_always_be_low_latency(false),
  43       background_frame_interval(base::TimeDelta::FromSecondsD(
  44           1.0 / settings.background_animation_rate)) {
  45 }
  46
  47 SchedulerSettings::~SchedulerSettings() {}
  48
  49 scoped_refptr<base::debug::ConvertableToTraceFormat>
  50 SchedulerSettings::AsValue() const {
  51   scoped_refptr<base::debug::TracedValue> state =
  52       new base::debug::TracedValue();
  53   state->SetBoolean("use_external_begin_frame_source",
  54                     use_external_begin_frame_source);
  55   state->SetBoolean("forward_begin_frames_to_children",
  56                     forward_begin_frames_to_children);
  57   state->SetBoolean("main_frame_before_activation_enabled",
  58                     main_frame_before_activation_enabled);
  59   state->SetBoolean("impl_side_painting", impl_side_painting);
  60   state->SetBoolean("timeout_and_draw_when_animation_checkerboards",
  61                     timeout_and_draw_when_animation_checkerboards);
  62   state->SetInteger("maximum_number_of_failed_draws_before_draw_is_forced_",
  63                     maximum_number_of_failed_draws_before_draw_is_forced_);
  64   state->SetBoolean("using_synchronous_renderer_compositor",
  65                     using_synchronous_renderer_compositor);
  66   state->SetBoolean("throttle_frame_production", throttle_frame_production);
  67   state->SetBoolean("disable_hi_res_timer_tasks_on_battery",
  68                     disable_hi_res_timer_tasks_on_battery);
  69   state->SetBoolean("main_thread_should_always_be_low_latency",
  70                     main_thread_should_always_be_low_latency);
  71   state->SetInteger("background_frame_interval",
  72                     background_frame_interval.InMicroseconds());
  73   return state;
  74 }
  75
  76 }  // namespace cc