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// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/trees/layer_tree_host.h"
#include <sstream>
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/path_service.h"
#include "base/strings/string_piece.h"
#include "base/time/time.h"
#include "cc/debug/lap_timer.h"
#include "cc/layers/content_layer.h"
#include "cc/layers/nine_patch_layer.h"
#include "cc/layers/solid_color_layer.h"
#include "cc/layers/texture_layer.h"
#include "cc/resources/texture_mailbox.h"
#include "cc/test/fake_content_layer_client.h"
#include "cc/test/layer_tree_json_parser.h"
#include "cc/test/layer_tree_test.h"
#include "cc/test/paths.h"
#include "cc/trees/layer_tree_impl.h"
#include "testing/perf/perf_test.h"
namespace cc {
namespace {
static const int kTimeLimitMillis = 2000;
static const int kWarmupRuns = 5;
static const int kTimeCheckInterval = 10;
class LayerTreeHostPerfTest : public LayerTreeTest {
public:
LayerTreeHostPerfTest()
: draw_timer_(kWarmupRuns,
base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
kTimeCheckInterval),
commit_timer_(0, base::TimeDelta(), 1),
full_damage_each_frame_(false),
animation_driven_drawing_(false),
measure_commit_cost_(false) {
fake_content_layer_client_.set_paint_all_opaque(true);
}
virtual void InitializeSettings(LayerTreeSettings* settings) OVERRIDE {
settings->throttle_frame_production = false;
}
virtual void BeginTest() OVERRIDE {
BuildTree();
PostSetNeedsCommitToMainThread();
}
virtual void Animate(base::TimeTicks monotonic_time) OVERRIDE {
if (animation_driven_drawing_ && !TestEnded()) {
layer_tree_host()->SetNeedsAnimate();
layer_tree_host()->SetNextCommitForcesRedraw();
}
}
virtual void BeginCommitOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
if (measure_commit_cost_)
commit_timer_.Start();
}
virtual void CommitCompleteOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
if (measure_commit_cost_ && draw_timer_.IsWarmedUp()) {
commit_timer_.NextLap();
}
}
virtual void DrawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE {
if (TestEnded() || CleanUpStarted())
return;
draw_timer_.NextLap();
if (draw_timer_.HasTimeLimitExpired()) {
CleanUpAndEndTest(impl);
return;
}
if (!animation_driven_drawing_)
impl->SetNeedsRedraw();
if (full_damage_each_frame_)
impl->SetFullRootLayerDamage();
}
virtual void CleanUpAndEndTest(LayerTreeHostImpl* host_impl) { EndTest(); }
virtual bool CleanUpStarted() { return false; }
virtual void BuildTree() {}
virtual void AfterTest() OVERRIDE {
CHECK(!test_name_.empty()) << "Must SetTestName() before AfterTest().";
perf_test::PrintResult("layer_tree_host_frame_time", "", test_name_,
1000 * draw_timer_.MsPerLap(), "us", true);
if (measure_commit_cost_) {
perf_test::PrintResult("layer_tree_host_commit_time", "", test_name_,
1000 * commit_timer_.MsPerLap(), "us", true);
}
}
protected:
LapTimer draw_timer_;
LapTimer commit_timer_;
std::string test_name_;
FakeContentLayerClient fake_content_layer_client_;
bool full_damage_each_frame_;
bool animation_driven_drawing_;
bool measure_commit_cost_;
};
class LayerTreeHostPerfTestJsonReader : public LayerTreeHostPerfTest {
public:
LayerTreeHostPerfTestJsonReader()
: LayerTreeHostPerfTest() {
}
void SetTestName(const std::string& name) {
test_name_ = name;
}
void ReadTestFile(const std::string& name) {
base::FilePath test_data_dir;
ASSERT_TRUE(PathService::Get(CCPaths::DIR_TEST_DATA, &test_data_dir));
base::FilePath json_file = test_data_dir.AppendASCII(name + ".json");
ASSERT_TRUE(base::ReadFileToString(json_file, &json_));
}
virtual void BuildTree() OVERRIDE {
gfx::Size viewport = gfx::Size(720, 1038);
layer_tree_host()->SetViewportSize(viewport);
scoped_refptr<Layer> root = ParseTreeFromJson(json_,
&fake_content_layer_client_);
ASSERT_TRUE(root.get());
layer_tree_host()->SetRootLayer(root);
}
private:
std::string json_;
};
// Simulates a tab switcher scene with two stacks of 10 tabs each.
TEST_F(LayerTreeHostPerfTestJsonReader, TenTenSingleThread) {
SetTestName("10_10_single_thread");
ReadTestFile("10_10_layer_tree");
RunTest(false, false, false);
}
TEST_F(LayerTreeHostPerfTestJsonReader, TenTenThreadedImplSide) {
SetTestName("10_10_threaded_impl_side");
ReadTestFile("10_10_layer_tree");
RunTestWithImplSidePainting();
}
// Simulates a tab switcher scene with two stacks of 10 tabs each.
TEST_F(LayerTreeHostPerfTestJsonReader,
TenTenSingleThread_FullDamageEachFrame) {
full_damage_each_frame_ = true;
SetTestName("10_10_single_thread_full_damage_each_frame");
ReadTestFile("10_10_layer_tree");
RunTest(false, false, false);
}
TEST_F(LayerTreeHostPerfTestJsonReader,
TenTenThreadedImplSide_FullDamageEachFrame) {
full_damage_each_frame_ = true;
SetTestName("10_10_threaded_impl_side_full_damage_each_frame");
ReadTestFile("10_10_layer_tree");
RunTestWithImplSidePainting();
}
// Invalidates a leaf layer in the tree on the main thread after every commit.
class LayerTreeHostPerfTestLeafInvalidates
: public LayerTreeHostPerfTestJsonReader {
public:
virtual void BuildTree() OVERRIDE {
LayerTreeHostPerfTestJsonReader::BuildTree();
// Find a leaf layer.
for (layer_to_invalidate_ = layer_tree_host()->root_layer();
layer_to_invalidate_->children().size();
layer_to_invalidate_ = layer_to_invalidate_->children()[0]) {}
}
virtual void DidCommitAndDrawFrame() OVERRIDE {
if (TestEnded())
return;
static bool flip = true;
layer_to_invalidate_->SetOpacity(flip ? 1.f : 0.5f);
flip = !flip;
}
protected:
Layer* layer_to_invalidate_;
};
// Simulates a tab switcher scene with two stacks of 10 tabs each. Invalidate a
// property on a leaf layer in the tree every commit.
TEST_F(LayerTreeHostPerfTestLeafInvalidates, TenTenSingleThread) {
SetTestName("10_10_single_thread_leaf_invalidates");
ReadTestFile("10_10_layer_tree");
RunTest(false, false, false);
}
TEST_F(LayerTreeHostPerfTestLeafInvalidates, TenTenThreadedImplSide) {
SetTestName("10_10_threaded_impl_side_leaf_invalidates");
ReadTestFile("10_10_layer_tree");
RunTestWithImplSidePainting();
}
// Simulates main-thread scrolling on each frame.
class ScrollingLayerTreePerfTest : public LayerTreeHostPerfTestJsonReader {
public:
ScrollingLayerTreePerfTest()
: LayerTreeHostPerfTestJsonReader() {
}
virtual void BuildTree() OVERRIDE {
LayerTreeHostPerfTestJsonReader::BuildTree();
scrollable_ = layer_tree_host()->root_layer()->children()[1];
ASSERT_TRUE(scrollable_.get());
}
virtual void Layout() OVERRIDE {
static const gfx::Vector2d delta = gfx::Vector2d(0, 10);
scrollable_->SetScrollOffset(scrollable_->scroll_offset() + delta);
}
private:
scoped_refptr<Layer> scrollable_;
};
TEST_F(ScrollingLayerTreePerfTest, LongScrollablePageSingleThread) {
SetTestName("long_scrollable_page");
ReadTestFile("long_scrollable_page");
RunTest(false, false, false);
}
TEST_F(ScrollingLayerTreePerfTest, LongScrollablePageThreadedImplSide) {
SetTestName("long_scrollable_page_threaded_impl_side");
ReadTestFile("long_scrollable_page");
RunTestWithImplSidePainting();
}
static void EmptyReleaseCallback(uint32 sync_point, bool lost_resource) {}
// Simulates main-thread scrolling on each frame.
class BrowserCompositorInvalidateLayerTreePerfTest
: public LayerTreeHostPerfTestJsonReader {
public:
BrowserCompositorInvalidateLayerTreePerfTest()
: LayerTreeHostPerfTestJsonReader(),
next_sync_point_(1),
clean_up_started_(false) {}
virtual void BuildTree() OVERRIDE {
LayerTreeHostPerfTestJsonReader::BuildTree();
tab_contents_ =
static_cast<TextureLayer*>(
layer_tree_host()->root_layer()->children()[0]->
children()[0]->
children()[0]->
children()[0].get());
ASSERT_TRUE(tab_contents_.get());
}
virtual void WillCommit() OVERRIDE {
if (CleanUpStarted())
return;
gpu::Mailbox gpu_mailbox;
std::ostringstream name_stream;
name_stream << "name" << next_sync_point_;
gpu_mailbox.SetName(
reinterpret_cast<const int8*>(name_stream.str().c_str()));
scoped_ptr<SingleReleaseCallback> callback = SingleReleaseCallback::Create(
base::Bind(&EmptyReleaseCallback));
TextureMailbox mailbox(gpu_mailbox, GL_TEXTURE_2D, next_sync_point_);
next_sync_point_++;
tab_contents_->SetTextureMailbox(mailbox, callback.Pass());
}
virtual void DidCommit() OVERRIDE {
if (CleanUpStarted())
return;
layer_tree_host()->SetNeedsCommit();
}
virtual void CleanUpAndEndTest(LayerTreeHostImpl* host_impl) OVERRIDE {
clean_up_started_ = true;
MainThreadTaskRunner()->PostTask(
FROM_HERE,
base::Bind(&BrowserCompositorInvalidateLayerTreePerfTest::
CleanUpAndEndTestOnMainThread,
base::Unretained(this)));
}
void CleanUpAndEndTestOnMainThread() {
tab_contents_->SetTextureMailbox(TextureMailbox(),
scoped_ptr<SingleReleaseCallback>());
EndTest();
}
virtual bool CleanUpStarted() OVERRIDE { return clean_up_started_; }
private:
scoped_refptr<TextureLayer> tab_contents_;
unsigned next_sync_point_;
bool clean_up_started_;
};
TEST_F(BrowserCompositorInvalidateLayerTreePerfTest, DenseBrowserUI) {
measure_commit_cost_ = true;
SetTestName("dense_layer_tree");
ReadTestFile("dense_layer_tree");
RunTestWithImplSidePainting();
}
// Simulates a page with several large, transformed and animated layers.
TEST_F(LayerTreeHostPerfTestJsonReader, HeavyPageThreadedImplSide) {
animation_driven_drawing_ = true;
measure_commit_cost_ = true;
SetTestName("heavy_page");
ReadTestFile("heavy_layer_tree");
RunTestWithImplSidePainting();
}
} // namespace
} // namespace cc
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