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Unified Diff: cc/scheduler/scheduler.cc

Issue 222003007: cc: Advance commit state with a CancelableClosure (Closed) Base URL: http://git.chromium.org/chromium/src.git@schedAsValue
Patch Set: use default settings Created 6 years, 9 months ago
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Index: cc/scheduler/scheduler.cc
diff --git a/cc/scheduler/scheduler.cc b/cc/scheduler/scheduler.cc
index d80b5355f496c3041c484d59112e87355d68dbb1..b6f92a45205980a2f9d946cb7ad0d56a913362d1 100644
--- a/cc/scheduler/scheduler.cc
+++ b/cc/scheduler/scheduler.cc
@@ -202,20 +202,21 @@ void Scheduler::SetupNextBeginImplFrameIfNeeded() {
needs_advance_commit_state_timer = true;
}
}
- if (needs_advance_commit_state_timer !=
- advance_commit_state_timer_.IsRunning()) {
- if (needs_advance_commit_state_timer &&
+
+ if (needs_advance_commit_state_timer) {
+ if (advance_commit_state_closure_.IsCancelled() &&
last_begin_impl_frame_args_.IsValid()) {
// Since we'd rather get a BeginImplFrame by the normal mechanism, we
// set the interval to twice the interval from the previous frame.
- advance_commit_state_timer_.Start(
+ advance_commit_state_closure_.Reset(base::Bind(
+ &Scheduler::PollToAdvanceCommitState, weak_factory_.GetWeakPtr()));
+ impl_task_runner_->PostDelayedTask(
FROM_HERE,
- last_begin_impl_frame_args_.interval * 2,
- base::Bind(&Scheduler::ProcessScheduledActions,
- base::Unretained(this)));
- } else {
- advance_commit_state_timer_.Stop();
+ advance_commit_state_closure_.callback(),
+ last_begin_impl_frame_args_.interval * 2);
}
+ } else {
+ advance_commit_state_closure_.Cancel();
}
}
@@ -225,6 +226,8 @@ void Scheduler::BeginImplFrame(const BeginFrameArgs& args) {
SchedulerStateMachine::BEGIN_IMPL_FRAME_STATE_IDLE);
DCHECK(state_machine_.HasInitializedOutputSurface());
+ advance_commit_state_closure_.Cancel();
+
last_begin_impl_frame_args_ = args;
last_begin_impl_frame_args_.deadline -= client_->DrawDurationEstimate();
@@ -320,6 +323,12 @@ void Scheduler::PollForAnticipatedDrawTriggers() {
state_machine_.DidLeavePollForAnticipatedDrawTriggers();
}
+void Scheduler::PollToAdvanceCommitState() {
+ TRACE_EVENT0("cc", "Scheduler::PollToAdvanceCommitState");
+ advance_commit_state_closure_.Cancel();
+ ProcessScheduledActions();
+}
+
bool Scheduler::IsBeginMainFrameSent() const {
return state_machine_.commit_state() ==
SchedulerStateMachine::COMMIT_STATE_BEGIN_MAIN_FRAME_SENT;
@@ -427,8 +436,8 @@ scoped_ptr<base::Value> Scheduler::StateAsValue() const {
!begin_impl_frame_deadline_closure_.IsCancelled());
scheduler_state->SetBoolean("poll_for_draw_triggers_closure_",
!poll_for_draw_triggers_closure_.IsCancelled());
- scheduler_state->SetBoolean("advance_commit_state_timer_",
- advance_commit_state_timer_.IsRunning());
+ scheduler_state->SetBoolean("advance_commit_state_closure_",
+ !advance_commit_state_closure_.IsCancelled());
state->Set("scheduler_state", scheduler_state.release());
scoped_ptr<base::DictionaryValue> client_state(new base::DictionaryValue);
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