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Unified Diff: cc/scheduler/scheduler_unittest.cc

Issue 2339633003: Reland of cc: Remove frame queuing from the scheduler. (Closed)
Patch Set: prevent draw if commit is pending Created 4 years, 3 months ago
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Index: cc/scheduler/scheduler_unittest.cc
diff --git a/cc/scheduler/scheduler_unittest.cc b/cc/scheduler/scheduler_unittest.cc
index d3dffae8b19376ee99885759bdbacc9fdf303832..b62fbc00c8d3977cf09051eaf2d2d6556024d276 100644
--- a/cc/scheduler/scheduler_unittest.cc
+++ b/cc/scheduler/scheduler_unittest.cc
@@ -182,6 +182,16 @@ class FakeSchedulerClient : public SchedulerClient,
base::Unretained(this), state);
}
+ bool IsCurrentFrame(int last_frame_number) const {
+ return scheduler_->current_frame_number() == last_frame_number;
+ }
+
+ base::Callback<bool(void)> FrameHasNotAdvancedCallback() {
+ return base::Bind(&FakeSchedulerClient::IsCurrentFrame,
+ base::Unretained(this),
+ scheduler_->current_frame_number());
+ }
+
void PushAction(const char* description) {
actions_.push_back(description);
states_.push_back(scheduler_->AsValue());
@@ -378,11 +388,6 @@ class SchedulerTest : public testing::Test {
void AdvanceFrame() {
TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("cc.debug.scheduler.frames"),
"FakeSchedulerClient::AdvanceFrame");
- // Consume any previous deadline first, if no deadline is currently
- // pending, InsideBeginImplFrame will return false straight away and we
- // will run no tasks.
- task_runner_->RunTasksWhile(client_->InsideBeginImplFrame(true));
- EXPECT_FALSE(client_->IsInsideBeginImplFrame());
// Send the next BeginFrame message if using an external source, otherwise
// it will be already in the task queue.
@@ -390,13 +395,8 @@ class SchedulerTest : public testing::Test {
fake_external_begin_frame_source_.get()) {
EXPECT_TRUE(scheduler_->begin_frames_expected());
SendNextBeginFrame();
- }
-
- if (!scheduler_->settings().using_synchronous_renderer_compositor) {
- // Then run tasks until new deadline is scheduled.
- EXPECT_TRUE(
- task_runner_->RunTasksWhile(client_->InsideBeginImplFrame(false)));
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
+ } else {
+ task_runner_->RunTasksWhile(client_->FrameHasNotAdvancedCallback());
}
}
@@ -2008,236 +2008,6 @@ TEST_F(
EXPECT_ACTION("ScheduledActionCommit", client_, 1, 2);
}
-TEST_F(SchedulerTest, BeginRetroFrame) {
- SetUpScheduler(EXTERNAL_BFS);
-
- // SetNeedsBeginMainFrame should begin the frame on the next BeginImplFrame.
- scheduler_->SetNeedsBeginMainFrame();
- EXPECT_SINGLE_ACTION("AddObserver(this)", client_);
- client_->Reset();
-
- // Create a BeginFrame with a long deadline to avoid race conditions.
- // This is the first BeginFrame, which will be handled immediately.
- BeginFrameArgs args =
- CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE, now_src());
- args.deadline += base::TimeDelta::FromHours(1);
- fake_external_begin_frame_source()->TestOnBeginFrame(args);
- EXPECT_ACTION("WillBeginImplFrame", client_, 0, 2);
- EXPECT_ACTION("ScheduledActionSendBeginMainFrame", client_, 1, 2);
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
- EXPECT_TRUE(scheduler_->begin_frames_expected());
- client_->Reset();
-
- // Queue BeginFrames while we are still handling the previous BeginFrame.
- args.frame_time += base::TimeDelta::FromSeconds(1);
- fake_external_begin_frame_source()->TestOnBeginFrame(args);
- args.frame_time += base::TimeDelta::FromSeconds(1);
- fake_external_begin_frame_source()->TestOnBeginFrame(args);
-
- // If we don't swap on the deadline, we wait for the next BeginImplFrame.
- task_runner().RunPendingTasks(); // Run posted deadline.
- EXPECT_NO_ACTION(client_);
- EXPECT_FALSE(client_->IsInsideBeginImplFrame());
- EXPECT_TRUE(scheduler_->begin_frames_expected());
- client_->Reset();
-
- // NotifyReadyToCommit should trigger the commit.
- scheduler_->NotifyBeginMainFrameStarted(base::TimeTicks());
- scheduler_->NotifyReadyToCommit();
- EXPECT_SINGLE_ACTION("ScheduledActionCommit", client_);
- EXPECT_TRUE(scheduler_->begin_frames_expected());
- client_->Reset();
-
- // NotifyReadyToActivate should trigger the activation.
- scheduler_->NotifyReadyToActivate();
- EXPECT_SINGLE_ACTION("ScheduledActionActivateSyncTree", client_);
- EXPECT_TRUE(scheduler_->begin_frames_expected());
- client_->Reset();
-
- // BeginImplFrame should prepare the draw.
- task_runner().RunPendingTasks(); // Run posted BeginRetroFrame.
- EXPECT_ACTION("WillBeginImplFrame", client_, 0, 1);
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
- EXPECT_TRUE(scheduler_->begin_frames_expected());
- client_->Reset();
-
- // BeginImplFrame deadline should draw.
- task_runner().RunPendingTasks(); // Run posted deadline.
- EXPECT_ACTION("ScheduledActionDrawAndSwapIfPossible", client_, 0, 1);
- EXPECT_FALSE(client_->IsInsideBeginImplFrame());
- EXPECT_TRUE(scheduler_->begin_frames_expected());
- client_->Reset();
-
- // The following BeginImplFrame deadline should SetNeedsBeginFrame(false)
- // to avoid excessive toggles.
- task_runner().RunPendingTasks(); // Run posted BeginRetroFrame.
- EXPECT_SINGLE_ACTION("WillBeginImplFrame", client_);
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
- client_->Reset();
-
- task_runner().RunPendingTasks(); // Run posted deadline.
- EXPECT_ACTION("RemoveObserver(this)", client_, 0, 2);
- EXPECT_ACTION("SendBeginMainFrameNotExpectedSoon", client_, 1, 2);
- client_->Reset();
-}
-
-TEST_F(SchedulerTest, RetroFrameDoesNotExpireTooEarly) {
- SetUpScheduler(EXTERNAL_BFS);
-
- scheduler_->SetNeedsBeginMainFrame();
- EXPECT_TRUE(scheduler_->begin_frames_expected());
- EXPECT_SINGLE_ACTION("AddObserver(this)", client_);
-
- client_->Reset();
- EXPECT_SCOPED(AdvanceFrame());
- EXPECT_ACTION("WillBeginImplFrame", client_, 0, 2);
- EXPECT_ACTION("ScheduledActionSendBeginMainFrame", client_, 1, 2);
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
-
- client_->Reset();
- scheduler_->NotifyBeginMainFrameStarted(base::TimeTicks());
-
- client_->Reset();
- BeginFrameArgs retro_frame_args = SendNextBeginFrame();
- // This BeginFrame is queued up as a retro frame.
- EXPECT_NO_ACTION(client_);
- // The previous deadline is still pending.
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
-
- client_->Reset();
- // This main frame activating should schedule the (previous) deadline to
- // trigger immediately.
- scheduler_->NotifyReadyToCommit();
- scheduler_->NotifyReadyToActivate();
- EXPECT_ACTION("ScheduledActionCommit", client_, 0, 2);
- EXPECT_ACTION("ScheduledActionActivateSyncTree", client_, 1, 2);
-
- client_->Reset();
- // The deadline task should trigger causing a draw.
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
- task_runner().RunTasksWhile(client_->InsideBeginImplFrame(true));
- EXPECT_ACTION("ScheduledActionDrawAndSwapIfPossible", client_, 0, 1);
-
- // Keep animating.
- client_->Reset();
- scheduler_->SetNeedsOneBeginImplFrame();
- scheduler_->SetNeedsRedraw();
- EXPECT_NO_ACTION(client_);
-
- // Let's advance to the retro frame's deadline.
- now_src()->Advance(retro_frame_args.deadline - now_src()->NowTicks());
-
- // The retro frame hasn't expired yet.
- task_runner().RunTasksWhile(client_->InsideBeginImplFrame(false));
- EXPECT_ACTION("WillBeginImplFrame", client_, 0, 1);
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
-
- // This is an immediate deadline case.
- client_->Reset();
- task_runner().RunPendingTasks();
- EXPECT_FALSE(client_->IsInsideBeginImplFrame());
- EXPECT_SINGLE_ACTION("ScheduledActionDrawAndSwapIfPossible", client_);
-}
-
-TEST_F(SchedulerTest, RetroFrameExpiresOnTime) {
- SetUpScheduler(EXTERNAL_BFS);
-
- scheduler_->SetNeedsBeginMainFrame();
- EXPECT_TRUE(scheduler_->begin_frames_expected());
- EXPECT_SINGLE_ACTION("AddObserver(this)", client_);
-
- client_->Reset();
- EXPECT_SCOPED(AdvanceFrame());
- EXPECT_ACTION("WillBeginImplFrame", client_, 0, 2);
- EXPECT_ACTION("ScheduledActionSendBeginMainFrame", client_, 1, 2);
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
-
- client_->Reset();
- scheduler_->NotifyBeginMainFrameStarted(base::TimeTicks());
-
- client_->Reset();
- BeginFrameArgs retro_frame_args = SendNextBeginFrame();
- // This BeginFrame is queued up as a retro frame.
- EXPECT_NO_ACTION(client_);
- // The previous deadline is still pending.
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
-
- client_->Reset();
- // This main frame activating should schedule the (previous) deadline to
- // trigger immediately.
- scheduler_->NotifyReadyToCommit();
- scheduler_->NotifyReadyToActivate();
- EXPECT_ACTION("ScheduledActionCommit", client_, 0, 2);
- EXPECT_ACTION("ScheduledActionActivateSyncTree", client_, 1, 2);
-
- client_->Reset();
- // The deadline task should trigger causing a draw.
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
- task_runner().RunTasksWhile(client_->InsideBeginImplFrame(true));
- EXPECT_ACTION("ScheduledActionDrawAndSwapIfPossible", client_, 0, 1);
-
- // Keep animating.
- client_->Reset();
- scheduler_->SetNeedsOneBeginImplFrame();
- scheduler_->SetNeedsRedraw();
- EXPECT_NO_ACTION(client_);
-
- // Let's advance sufficiently past the retro frame's deadline.
- now_src()->Advance(retro_frame_args.deadline - now_src()->NowTicks() +
- base::TimeDelta::FromMicroseconds(1));
-
- // The retro frame should've expired.
- EXPECT_NO_ACTION(client_);
-}
-
-TEST_F(SchedulerTest, MissedFrameDoesNotExpireTooEarly) {
- SetUpScheduler(EXTERNAL_BFS);
-
- scheduler_->SetNeedsBeginMainFrame();
- EXPECT_TRUE(scheduler_->begin_frames_expected());
- EXPECT_SINGLE_ACTION("AddObserver(this)", client_);
-
- BeginFrameArgs missed_frame_args =
- CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE, now_src());
- missed_frame_args.type = BeginFrameArgs::MISSED;
-
- // Advance to the deadline.
- now_src()->Advance(missed_frame_args.deadline - now_src()->NowTicks());
-
- // Missed frame is handled because it's on time.
- client_->Reset();
- fake_external_begin_frame_source_->TestOnBeginFrame(missed_frame_args);
- EXPECT_TRUE(
- task_runner().RunTasksWhile(client_->InsideBeginImplFrame(false)));
- EXPECT_ACTION("WillBeginImplFrame", client_, 0, 2);
- EXPECT_ACTION("ScheduledActionSendBeginMainFrame", client_, 1, 2);
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
-}
-
-TEST_F(SchedulerTest, MissedFrameExpiresOnTime) {
- SetUpScheduler(EXTERNAL_BFS);
-
- scheduler_->SetNeedsBeginMainFrame();
- EXPECT_TRUE(scheduler_->begin_frames_expected());
- EXPECT_SINGLE_ACTION("AddObserver(this)", client_);
-
- BeginFrameArgs missed_frame_args =
- CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE, now_src());
- missed_frame_args.type = BeginFrameArgs::MISSED;
-
- // Advance sufficiently past the deadline.
- now_src()->Advance(missed_frame_args.deadline - now_src()->NowTicks() +
- base::TimeDelta::FromMicroseconds(1));
-
- // Missed frame is dropped because it's too late.
- client_->Reset();
- fake_external_begin_frame_source_->TestOnBeginFrame(missed_frame_args);
- EXPECT_FALSE(
- task_runner().RunTasksWhile(client_->InsideBeginImplFrame(false)));
- EXPECT_NO_ACTION(client_);
- EXPECT_FALSE(client_->IsInsideBeginImplFrame());
-}
-
void SchedulerTest::BeginFramesNotFromClient(BeginFrameSourceType bfs_type) {
SetUpScheduler(bfs_type);
@@ -2247,18 +2017,17 @@ void SchedulerTest::BeginFramesNotFromClient(BeginFrameSourceType bfs_type) {
EXPECT_NO_ACTION(client_);
client_->Reset();
- // When the client-driven BeginFrame are disabled, the scheduler posts it's
- // own BeginFrame tasks.
- task_runner().RunPendingTasks(); // Run posted BeginFrame.
+ EXPECT_SCOPED(AdvanceFrame());
EXPECT_ACTION("WillBeginImplFrame", client_, 0, 2);
EXPECT_ACTION("ScheduledActionSendBeginMainFrame", client_, 1, 2);
EXPECT_TRUE(client_->IsInsideBeginImplFrame());
client_->Reset();
- // If we don't swap on the deadline, we wait for the next BeginFrame.
- task_runner().RunPendingTasks(); // Run posted deadline.
- EXPECT_NO_ACTION(client_);
- EXPECT_FALSE(client_->IsInsideBeginImplFrame());
+ // Can't run the deadline task because it can race with begin frame for the
+ // SyntheticBFS case.
+ EXPECT_SCOPED(AdvanceFrame());
+ EXPECT_ACTION("WillBeginImplFrame", client_, 0, 1);
+ EXPECT_TRUE(client_->IsInsideBeginImplFrame());
client_->Reset();
// NotifyReadyToCommit should trigger the commit.
@@ -2272,23 +2041,11 @@ void SchedulerTest::BeginFramesNotFromClient(BeginFrameSourceType bfs_type) {
EXPECT_SINGLE_ACTION("ScheduledActionActivateSyncTree", client_);
client_->Reset();
- // BeginImplFrame should prepare the draw.
- task_runner().RunPendingTasks(); // Run posted BeginFrame.
- EXPECT_ACTION("WillBeginImplFrame", client_, 0, 1);
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
- client_->Reset();
-
- // BeginImplFrame deadline should draw.
- task_runner().RunTasksWhile(client_->InsideBeginImplFrame(true));
- EXPECT_ACTION("ScheduledActionDrawAndSwapIfPossible", client_, 0, 1);
- EXPECT_FALSE(client_->IsInsideBeginImplFrame());
- client_->Reset();
-
- // The following BeginImplFrame deadline should SetNeedsBeginFrame(false)
- // to avoid excessive toggles.
- task_runner().RunPendingTasks(); // Run posted BeginFrame.
- EXPECT_SINGLE_ACTION("WillBeginImplFrame", client_);
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
+ // BeginImplFrame deadline should draw. The following BeginImplFrame deadline
+ // should SetNeedsBeginFrame(false) to avoid excessive toggles.
+ EXPECT_SCOPED(AdvanceFrame());
+ EXPECT_ACTION("ScheduledActionDrawAndSwapIfPossible", client_, 0, 2);
+ EXPECT_ACTION("WillBeginImplFrame", client_, 1, 2);
client_->Reset();
// Make sure SetNeedsBeginFrame isn't called on the client
@@ -2556,140 +2313,6 @@ TEST_F(SchedulerTest, DidLoseCompositorFrameSinkAfterSetNeedsPrepareTiles) {
EXPECT_ACTION("SendBeginMainFrameNotExpectedSoon", client_, 3, 4);
}
-TEST_F(SchedulerTest, DidLoseCompositorFrameSinkAfterBeginRetroFramePosted) {
- SetUpScheduler(EXTERNAL_BFS);
-
- // SetNeedsBeginMainFrame should begin the frame on the next BeginImplFrame.
- scheduler_->SetNeedsBeginMainFrame();
- EXPECT_SINGLE_ACTION("AddObserver(this)", client_);
-
- // Create a BeginFrame with a long deadline to avoid race conditions.
- // This is the first BeginFrame, which will be handled immediately.
- client_->Reset();
- BeginFrameArgs args =
- CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE, now_src());
- args.deadline += base::TimeDelta::FromHours(1);
- fake_external_begin_frame_source()->TestOnBeginFrame(args);
- EXPECT_ACTION("WillBeginImplFrame", client_, 0, 2);
- EXPECT_ACTION("ScheduledActionSendBeginMainFrame", client_, 1, 2);
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
- EXPECT_TRUE(scheduler_->begin_frames_expected());
-
- // Queue BeginFrames while we are still handling the previous BeginFrame.
- args.frame_time += base::TimeDelta::FromSeconds(1);
- fake_external_begin_frame_source()->TestOnBeginFrame(args);
- args.frame_time += base::TimeDelta::FromSeconds(1);
- fake_external_begin_frame_source()->TestOnBeginFrame(args);
-
- // If we don't swap on the deadline, we wait for the next BeginImplFrame.
- client_->Reset();
- task_runner().RunPendingTasks(); // Run posted deadline.
- EXPECT_NO_ACTION(client_);
- EXPECT_FALSE(client_->IsInsideBeginImplFrame());
- EXPECT_TRUE(scheduler_->begin_frames_expected());
-
- // NotifyReadyToCommit should trigger the commit.
- client_->Reset();
- scheduler_->NotifyBeginMainFrameStarted(base::TimeTicks());
- scheduler_->NotifyReadyToCommit();
- EXPECT_SINGLE_ACTION("ScheduledActionCommit", client_);
- EXPECT_TRUE(scheduler_->begin_frames_expected());
-
- // NotifyReadyToActivate should trigger the activation.
- client_->Reset();
- scheduler_->NotifyReadyToActivate();
- EXPECT_SINGLE_ACTION("ScheduledActionActivateSyncTree", client_);
- EXPECT_TRUE(scheduler_->begin_frames_expected());
-
- client_->Reset();
- EXPECT_FALSE(scheduler_->IsBeginRetroFrameArgsEmpty());
- scheduler_->DidLoseCompositorFrameSink();
- EXPECT_ACTION("ScheduledActionBeginCompositorFrameSinkCreation", client_, 0,
- 3);
- EXPECT_ACTION("RemoveObserver(this)", client_, 1, 3);
- EXPECT_ACTION("SendBeginMainFrameNotExpectedSoon", client_, 2, 3);
- EXPECT_TRUE(scheduler_->IsBeginRetroFrameArgsEmpty());
-
- // Posted BeginRetroFrame is aborted.
- client_->Reset();
- task_runner().RunPendingTasks();
- EXPECT_NO_ACTION(client_);
-}
-
-TEST_F(SchedulerTest, DidLoseCompositorFrameSinkDuringBeginRetroFrameRunning) {
- SetUpScheduler(EXTERNAL_BFS);
-
- // SetNeedsBeginMainFrame should begin the frame on the next BeginImplFrame.
- scheduler_->SetNeedsBeginMainFrame();
- EXPECT_SINGLE_ACTION("AddObserver(this)", client_);
-
- // Create a BeginFrame with a long deadline to avoid race conditions.
- // This is the first BeginFrame, which will be handled immediately.
- client_->Reset();
- BeginFrameArgs args =
- CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE, now_src());
- args.deadline += base::TimeDelta::FromHours(1);
- fake_external_begin_frame_source()->TestOnBeginFrame(args);
- EXPECT_ACTION("WillBeginImplFrame", client_, 0, 2);
- EXPECT_ACTION("ScheduledActionSendBeginMainFrame", client_, 1, 2);
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
- EXPECT_TRUE(scheduler_->begin_frames_expected());
-
- // Queue BeginFrames while we are still handling the previous BeginFrame.
- args.frame_time += base::TimeDelta::FromSeconds(1);
- fake_external_begin_frame_source()->TestOnBeginFrame(args);
- args.frame_time += base::TimeDelta::FromSeconds(1);
- fake_external_begin_frame_source()->TestOnBeginFrame(args);
-
- // If we don't swap on the deadline, we wait for the next BeginImplFrame.
- client_->Reset();
- task_runner().RunPendingTasks(); // Run posted deadline.
- EXPECT_NO_ACTION(client_);
- EXPECT_FALSE(client_->IsInsideBeginImplFrame());
- EXPECT_TRUE(scheduler_->begin_frames_expected());
-
- // NotifyReadyToCommit should trigger the commit.
- client_->Reset();
- scheduler_->NotifyBeginMainFrameStarted(base::TimeTicks());
- scheduler_->NotifyReadyToCommit();
- EXPECT_SINGLE_ACTION("ScheduledActionCommit", client_);
- EXPECT_TRUE(scheduler_->begin_frames_expected());
-
- // NotifyReadyToActivate should trigger the activation.
- client_->Reset();
- scheduler_->NotifyReadyToActivate();
- EXPECT_SINGLE_ACTION("ScheduledActionActivateSyncTree", client_);
- EXPECT_TRUE(scheduler_->begin_frames_expected());
-
- // BeginImplFrame should prepare the draw.
- client_->Reset();
- task_runner().RunPendingTasks(); // Run posted BeginRetroFrame.
- EXPECT_ACTION("WillBeginImplFrame", client_, 0, 1);
- EXPECT_TRUE(client_->IsInsideBeginImplFrame());
- EXPECT_TRUE(scheduler_->begin_frames_expected());
-
- client_->Reset();
- EXPECT_FALSE(scheduler_->IsBeginRetroFrameArgsEmpty());
- scheduler_->DidLoseCompositorFrameSink();
- EXPECT_NO_ACTION(client_);
- EXPECT_TRUE(scheduler_->IsBeginRetroFrameArgsEmpty());
-
- // BeginImplFrame deadline should abort drawing.
- client_->Reset();
- task_runner().RunTasksWhile(client_->InsideBeginImplFrame(true));
- EXPECT_ACTION("ScheduledActionBeginCompositorFrameSinkCreation", client_, 0,
- 3);
- EXPECT_ACTION("RemoveObserver(this)", client_, 1, 3);
- EXPECT_ACTION("SendBeginMainFrameNotExpectedSoon", client_, 2, 3);
- EXPECT_FALSE(client_->IsInsideBeginImplFrame());
- EXPECT_FALSE(scheduler_->begin_frames_expected());
-
- // No more BeginRetroFrame because BeginRetroFrame queue is cleared.
- client_->Reset();
- task_runner().RunPendingTasks();
- EXPECT_NO_ACTION(client_);
-}
-
TEST_F(SchedulerTest,
DidLoseCompositorFrameSinkWithDelayBasedBeginFrameSource) {
SetUpScheduler(THROTTLED_BFS);

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