src/cc/trees/layer_tree_host_perftest.cc

   1 // Copyright 2012 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/trees/layer_tree_host.h"
   6
   7 #include <sstream>
   8
   9 #include "base/files/file_path.h"
  10 #include "base/files/file_util.h"
  11 #include "base/path_service.h"
  12 #include "base/strings/string_piece.h"
  13 #include "base/time/time.h"
  14 #include "cc/debug/lap_timer.h"
  15 #include "cc/layers/content_layer.h"
  16 #include "cc/layers/nine_patch_layer.h"
  17 #include "cc/layers/solid_color_layer.h"
  18 #include "cc/layers/texture_layer.h"
  19 #include "cc/resources/single_release_callback.h"
  20 #include "cc/resources/texture_mailbox.h"
  21 #include "cc/test/fake_content_layer_client.h"
  22 #include "cc/test/layer_tree_json_parser.h"
  23 #include "cc/test/layer_tree_test.h"
  24 #include "cc/test/paths.h"
  25 #include "cc/trees/layer_tree_impl.h"
  26 #include "testing/perf/perf_test.h"
  27
  28 namespace cc {
  29 namespace {
  30
  31 static const int kTimeLimitMillis = 2000;
  32 static const int kWarmupRuns = 5;
  33 static const int kTimeCheckInterval = 10;
  34
  35 class LayerTreeHostPerfTest : public LayerTreeTest {
  36  public:
  37   LayerTreeHostPerfTest()
  38       : draw_timer_(kWarmupRuns,
  39                     base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
  40                     kTimeCheckInterval),
  41         commit_timer_(0, base::TimeDelta(), 1),
  42         full_damage_each_frame_(false),
  43         begin_frame_driven_drawing_(false),
  44         measure_commit_cost_(false) {
  45   }
  46
  47   void InitializeSettings(LayerTreeSettings* settings) override {
  48     settings->throttle_frame_production = false;
  49   }
  50
  51   void BeginTest() override {
  52     BuildTree();
  53     PostSetNeedsCommitToMainThread();
  54   }
  55
  56   void BeginMainFrame(const BeginFrameArgs& args) override {
  57     if (begin_frame_driven_drawing_ && !TestEnded()) {
  58       layer_tree_host()->SetNeedsAnimate();
  59       layer_tree_host()->SetNextCommitForcesRedraw();
  60     }
  61   }
  62
  63   void BeginCommitOnThread(LayerTreeHostImpl* host_impl) override {
  64     if (measure_commit_cost_)
  65       commit_timer_.Start();
  66   }
  67
  68   void CommitCompleteOnThread(LayerTreeHostImpl* host_impl) override {
  69     if (measure_commit_cost_ && draw_timer_.IsWarmedUp()) {
  70       commit_timer_.NextLap();
  71     }
  72   }
  73
  74   void DrawLayersOnThread(LayerTreeHostImpl* impl) override {
  75     if (TestEnded() || CleanUpStarted())
  76       return;
  77     draw_timer_.NextLap();
  78     if (draw_timer_.HasTimeLimitExpired()) {
  79       CleanUpAndEndTest(impl);
  80       return;
  81     }
  82     if (!begin_frame_driven_drawing_)
  83       impl->SetNeedsRedraw();
  84     if (full_damage_each_frame_)
  85       impl->SetFullRootLayerDamage();
  86   }
  87
  88   virtual void CleanUpAndEndTest(LayerTreeHostImpl* host_impl) { EndTest(); }
  89
  90   virtual bool CleanUpStarted() { return false; }
  91
  92   virtual void BuildTree() {}
  93
  94   void AfterTest() override {
  95     CHECK(!test_name_.empty()) << "Must SetTestName() before AfterTest().";
  96     perf_test::PrintResult("layer_tree_host_frame_time", "", test_name_,
  97                            1000 * draw_timer_.MsPerLap(), "us", true);
  98     if (measure_commit_cost_) {
  99       perf_test::PrintResult("layer_tree_host_commit_time", "", test_name_,
 100                              1000 * commit_timer_.MsPerLap(), "us", true);
 101     }
 102   }
 103
 104  protected:
 105   LapTimer draw_timer_;
 106   LapTimer commit_timer_;
 107
 108   std::string test_name_;
 109   FakeContentLayerClient fake_content_layer_client_;
 110   bool full_damage_each_frame_;
 111   bool begin_frame_driven_drawing_;
 112
 113   bool measure_commit_cost_;
 114 };
 115
 116
 117 class LayerTreeHostPerfTestJsonReader : public LayerTreeHostPerfTest {
 118  public:
 119   LayerTreeHostPerfTestJsonReader()
 120       : LayerTreeHostPerfTest() {
 121   }
 122
 123   void SetTestName(const std::string& name) {
 124     test_name_ = name;
 125   }
 126
 127   void ReadTestFile(const std::string& name) {
 128     base::FilePath test_data_dir;
 129     ASSERT_TRUE(PathService::Get(CCPaths::DIR_TEST_DATA, &test_data_dir));
 130     base::FilePath json_file = test_data_dir.AppendASCII(name + ".json");
 131     ASSERT_TRUE(base::ReadFileToString(json_file, &json_));
 132   }
 133
 134   void BuildTree() override {
 135     gfx::Size viewport = gfx::Size(720, 1038);
 136     layer_tree_host()->SetViewportSize(viewport);
 137     scoped_refptr<Layer> root = ParseTreeFromJson(json_,
 138                                                   &fake_content_layer_client_);
 139     ASSERT_TRUE(root.get());
 140     layer_tree_host()->SetRootLayer(root);
 141   }
 142
 143  private:
 144   std::string json_;
 145 };
 146
 147 // Simulates a tab switcher scene with two stacks of 10 tabs each.
 148 TEST_F(LayerTreeHostPerfTestJsonReader, TenTenSingleThread) {
 149   SetTestName("10_10_single_thread");
 150   ReadTestFile("10_10_layer_tree");
 151   RunTest(false, false, false);
 152 }
 153
 154 TEST_F(LayerTreeHostPerfTestJsonReader, TenTenThreadedImplSide) {
 155   SetTestName("10_10_threaded_impl_side");
 156   ReadTestFile("10_10_layer_tree");
 157   RunTestWithImplSidePainting();
 158 }
 159
 160 // Simulates a tab switcher scene with two stacks of 10 tabs each.
 161 TEST_F(LayerTreeHostPerfTestJsonReader,
 162        TenTenSingleThread_FullDamageEachFrame) {
 163   full_damage_each_frame_ = true;
 164   SetTestName("10_10_single_thread_full_damage_each_frame");
 165   ReadTestFile("10_10_layer_tree");
 166   RunTest(false, false, false);
 167 }
 168
 169 TEST_F(LayerTreeHostPerfTestJsonReader,
 170        TenTenThreadedImplSide_FullDamageEachFrame) {
 171   full_damage_each_frame_ = true;
 172   SetTestName("10_10_threaded_impl_side_full_damage_each_frame");
 173   ReadTestFile("10_10_layer_tree");
 174   RunTestWithImplSidePainting();
 175 }
 176
 177 // Invalidates a leaf layer in the tree on the main thread after every commit.
 178 class LayerTreeHostPerfTestLeafInvalidates
 179     : public LayerTreeHostPerfTestJsonReader {
 180  public:
 181   void BuildTree() override {
 182     LayerTreeHostPerfTestJsonReader::BuildTree();
 183
 184     // Find a leaf layer.
 185     for (layer_to_invalidate_ = layer_tree_host()->root_layer();
 186          layer_to_invalidate_->children().size();
 187          layer_to_invalidate_ = layer_to_invalidate_->children()[0].get()) {
 188     }
 189   }
 190
 191   void DidCommitAndDrawFrame() override {
 192     if (TestEnded())
 193       return;
 194
 195     layer_to_invalidate_->SetOpacity(
 196         layer_to_invalidate_->opacity() != 1.f ? 1.f : 0.5f);
 197   }
 198
 199  protected:
 200   Layer* layer_to_invalidate_;
 201 };
 202
 203 // Simulates a tab switcher scene with two stacks of 10 tabs each. Invalidate a
 204 // property on a leaf layer in the tree every commit.
 205 TEST_F(LayerTreeHostPerfTestLeafInvalidates, TenTenSingleThread) {
 206   SetTestName("10_10_single_thread_leaf_invalidates");
 207   ReadTestFile("10_10_layer_tree");
 208   RunTest(false, false, false);
 209 }
 210
 211 TEST_F(LayerTreeHostPerfTestLeafInvalidates, TenTenThreadedImplSide) {
 212   SetTestName("10_10_threaded_impl_side_leaf_invalidates");
 213   ReadTestFile("10_10_layer_tree");
 214   RunTestWithImplSidePainting();
 215 }
 216
 217 // Simulates main-thread scrolling on each frame.
 218 class ScrollingLayerTreePerfTest : public LayerTreeHostPerfTestJsonReader {
 219  public:
 220   ScrollingLayerTreePerfTest()
 221       : LayerTreeHostPerfTestJsonReader() {
 222   }
 223
 224   void BuildTree() override {
 225     LayerTreeHostPerfTestJsonReader::BuildTree();
 226     scrollable_ = layer_tree_host()->root_layer()->children()[1];
 227     ASSERT_TRUE(scrollable_.get());
 228   }
 229
 230   void Layout() override {
 231     if (TestEnded())
 232       return;
 233     static const gfx::Vector2d delta = gfx::Vector2d(0, 10);
 234     scrollable_->SetScrollOffset(
 235         gfx::ScrollOffsetWithDelta(scrollable_->scroll_offset(), delta));
 236   }
 237
 238  private:
 239   scoped_refptr<Layer> scrollable_;
 240 };
 241
 242 TEST_F(ScrollingLayerTreePerfTest, LongScrollablePageSingleThread) {
 243   SetTestName("long_scrollable_page");
 244   ReadTestFile("long_scrollable_page");
 245   RunTest(false, false, false);
 246 }
 247
 248 TEST_F(ScrollingLayerTreePerfTest, LongScrollablePageThreadedImplSide) {
 249   SetTestName("long_scrollable_page_threaded_impl_side");
 250   ReadTestFile("long_scrollable_page");
 251   RunTestWithImplSidePainting();
 252 }
 253
 254 static void EmptyReleaseCallback(uint32 sync_point, bool lost_resource) {}
 255
 256 // Simulates main-thread scrolling on each frame.
 257 class BrowserCompositorInvalidateLayerTreePerfTest
 258     : public LayerTreeHostPerfTestJsonReader {
 259  public:
 260   BrowserCompositorInvalidateLayerTreePerfTest()
 261       : LayerTreeHostPerfTestJsonReader(),
 262         next_sync_point_(1),
 263         clean_up_started_(false) {}
 264
 265   void BuildTree() override {
 266     LayerTreeHostPerfTestJsonReader::BuildTree();
 267     tab_contents_ =
 268         static_cast<TextureLayer*>(
 269             layer_tree_host()->root_layer()->children()[0]->
 270                                              children()[0]->
 271                                              children()[0]->
 272                                              children()[0].get());
 273     ASSERT_TRUE(tab_contents_.get());
 274   }
 275
 276   void WillCommit() override {
 277     if (CleanUpStarted())
 278       return;
 279     gpu::Mailbox gpu_mailbox;
 280     std::ostringstream name_stream;
 281     name_stream << "name" << next_sync_point_;
 282     gpu_mailbox.SetName(
 283         reinterpret_cast<const int8*>(name_stream.str().c_str()));
 284     scoped_ptr<SingleReleaseCallback> callback = SingleReleaseCallback::Create(
 285         base::Bind(&EmptyReleaseCallback));
 286     TextureMailbox mailbox(gpu_mailbox, GL_TEXTURE_2D, next_sync_point_);
 287     next_sync_point_++;
 288
 289     tab_contents_->SetTextureMailbox(mailbox, callback.Pass());
 290   }
 291
 292   void DidCommit() override {
 293     if (CleanUpStarted())
 294       return;
 295     layer_tree_host()->SetNeedsCommit();
 296   }
 297
 298   void CleanUpAndEndTest(LayerTreeHostImpl* host_impl) override {
 299     clean_up_started_ = true;
 300     MainThreadTaskRunner()->PostTask(
 301         FROM_HERE,
 302         base::Bind(&BrowserCompositorInvalidateLayerTreePerfTest::
 303                         CleanUpAndEndTestOnMainThread,
 304                    base::Unretained(this)));
 305   }
 306
 307   void CleanUpAndEndTestOnMainThread() {
 308     tab_contents_->SetTextureMailbox(TextureMailbox(), nullptr);
 309     EndTest();
 310   }
 311
 312   bool CleanUpStarted() override { return clean_up_started_; }
 313
 314  private:
 315   scoped_refptr<TextureLayer> tab_contents_;
 316   unsigned next_sync_point_;
 317   bool clean_up_started_;
 318 };
 319
 320 TEST_F(BrowserCompositorInvalidateLayerTreePerfTest, DenseBrowserUI) {
 321   measure_commit_cost_ = true;
 322   SetTestName("dense_layer_tree");
 323   ReadTestFile("dense_layer_tree");
 324   RunTestWithImplSidePainting();
 325 }
 326
 327 // Simulates a page with several large, transformed and animated layers.
 328 TEST_F(LayerTreeHostPerfTestJsonReader, HeavyPageThreadedImplSide) {
 329   begin_frame_driven_drawing_ = true;
 330   measure_commit_cost_ = true;
 331   SetTestName("heavy_page");
 332   ReadTestFile("heavy_layer_tree");
 333   RunTestWithImplSidePainting();
 334 }
 335
 336 }  // namespace
 337 }  // namespace cc