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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/layers/layer.h"
#include "base/task/single_thread_task_runner.h"
#include "base/timer/lap_timer.h"
#include "cc/animation/animation_host.h"
#include "cc/test/fake_impl_task_runner_provider.h"
#include "cc/test/fake_layer_tree_host.h"
#include "cc/test/fake_layer_tree_host_client.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/stub_layer_tree_host_single_thread_client.h"
#include "cc/test/test_task_graph_runner.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/perf/perf_result_reporter.h"
namespace cc {
namespace {
static const int kTimeLimitMillis = 3000;
static const int kWarmupRuns = 5;
static const int kTimeCheckInterval = 10;
class LayerPerfTest : public testing::Test {
public:
LayerPerfTest()
: host_impl_(&task_runner_provider_, &task_graph_runner_),
timer_(kWarmupRuns,
base::Milliseconds(kTimeLimitMillis),
kTimeCheckInterval) {}
protected:
void SetUp() override {
animation_host_ = AnimationHost::CreateForTesting(ThreadInstance::kMain);
layer_tree_host_ = FakeLayerTreeHost::Create(
&fake_client_, &task_graph_runner_, animation_host_.get());
layer_tree_host_->InitializeSingleThreaded(
&single_thread_client_,
base::SingleThreadTaskRunner::GetCurrentDefault());
}
void TearDown() override {
layer_tree_host_->SetRootLayer(nullptr);
layer_tree_host_ = nullptr;
}
perf_test::PerfResultReporter SetUpReporter(
const std::string& metric_basename,
const std::string& story_name) {
perf_test::PerfResultReporter reporter(metric_basename, story_name);
reporter.RegisterImportantMetric("", "runs/s");
return reporter;
}
FakeImplTaskRunnerProvider task_runner_provider_;
TestTaskGraphRunner task_graph_runner_;
FakeLayerTreeHostImpl host_impl_;
StubLayerTreeHostSingleThreadClient single_thread_client_;
FakeLayerTreeHostClient fake_client_;
std::unique_ptr<AnimationHost> animation_host_;
std::unique_ptr<FakeLayerTreeHost> layer_tree_host_;
base::LapTimer timer_;
};
TEST_F(LayerPerfTest, PushPropertiesTo) {
scoped_refptr<Layer> test_layer = Layer::Create();
std::unique_ptr<LayerImpl> impl_layer =
LayerImpl::Create(host_impl_.active_tree(), 1);
layer_tree_host_->SetRootLayer(test_layer);
float transform_origin_z = 0;
bool scrollable = true;
bool contents_opaque = true;
bool hide_layer_and_subtree = true;
bool masks_to_bounds = true;
// Properties changed.
timer_.Reset();
do {
test_layer->SetNeedsDisplayRect(gfx::Rect(5, 5));
test_layer->SetTransformOrigin(gfx::Point3F(0.f, 0.f, transform_origin_z));
test_layer->SetContentsOpaque(contents_opaque);
test_layer->SetHideLayerAndSubtree(hide_layer_and_subtree);
test_layer->SetMasksToBounds(masks_to_bounds);
// Here and elsewhere: when doing a full commit, we would call
// layer_tree_host_->ActivateCommitState() and the second argument would
// come from layer_tree_host_->active_commit_state(); we use
// pending_commit_state() just to keep the test code simple.
test_layer->PushPropertiesTo(
impl_layer.get(), *layer_tree_host_->GetPendingCommitState(),
layer_tree_host_->GetThreadUnsafeCommitState());
transform_origin_z += 0.01f;
scrollable = !scrollable;
contents_opaque = !contents_opaque;
hide_layer_and_subtree = !hide_layer_and_subtree;
masks_to_bounds = !masks_to_bounds;
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
perf_test::PerfResultReporter reporter =
SetUpReporter("push_properties_to", "props_changed");
reporter.AddResult("", timer_.LapsPerSecond());
// Properties didn't change.
timer_.Reset();
do {
test_layer->PushPropertiesTo(
impl_layer.get(), *layer_tree_host_->GetPendingCommitState(),
layer_tree_host_->GetThreadUnsafeCommitState());
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
reporter = SetUpReporter("push_properties_to", "props_didnt_change");
reporter.AddResult("", timer_.LapsPerSecond());
}
TEST_F(LayerPerfTest, ImplPushPropertiesTo) {
std::unique_ptr<LayerImpl> test_layer =
LayerImpl::Create(host_impl_.active_tree(), 1);
std::unique_ptr<LayerImpl> impl_layer =
LayerImpl::Create(host_impl_.active_tree(), 2);
SkColor4f background_color = SkColors::kRed;
gfx::Size bounds(1000, 1000);
bool draws_content = true;
bool contents_opaque = true;
bool masks_to_bounds = true;
// Properties changed.
timer_.Reset();
do {
test_layer->SetBackgroundColor(background_color);
test_layer->SetSafeOpaqueBackgroundColor(background_color);
test_layer->SetDrawsContent(draws_content);
test_layer->SetContentsOpaque(contents_opaque);
test_layer->PushPropertiesTo(impl_layer.get());
background_color =
background_color == SkColors::kRed ? SkColors::kGreen : SkColors::kRed;
bounds = bounds == gfx::Size(1000, 1000) ? gfx::Size(500, 500)
: gfx::Size(1000, 1000);
draws_content = !draws_content;
contents_opaque = !contents_opaque;
masks_to_bounds = !masks_to_bounds;
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
perf_test::PerfResultReporter reporter =
SetUpReporter("impl_push_properties_to", "props_changed");
reporter.AddResult("", timer_.LapsPerSecond());
// Properties didn't change.
timer_.Reset();
do {
test_layer->PushPropertiesTo(impl_layer.get());
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
reporter = SetUpReporter("impl_push_properties_to", "props_didnt_change");
reporter.AddResult("", timer_.LapsPerSecond());
}
} // namespace
} // namespace cc
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