src/cc/trees/layer_tree_host_common_perftest.cc

   1 // Copyright 2013 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_common.h"
   6
   7 #include <sstream>
   8
   9 #include "base/files/file_path.h"
  10 #include "base/files/file_util.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/path_service.h"
  13 #include "base/strings/string_piece.h"
  14 #include "base/threading/thread.h"
  15 #include "base/time/time.h"
  16 #include "cc/base/scoped_ptr_deque.h"
  17 #include "cc/base/scoped_ptr_vector.h"
  18 #include "cc/debug/lap_timer.h"
  19 #include "cc/layers/layer.h"
  20 #include "cc/output/bsp_tree.h"
  21 #include "cc/quads/draw_polygon.h"
  22 #include "cc/quads/draw_quad.h"
  23 #include "cc/test/fake_content_layer_client.h"
  24 #include "cc/test/fake_layer_tree_host_client.h"
  25 #include "cc/test/layer_tree_json_parser.h"
  26 #include "cc/test/layer_tree_test.h"
  27 #include "cc/test/paths.h"
  28 #include "cc/trees/layer_sorter.h"
  29 #include "cc/trees/layer_tree_impl.h"
  30 #include "testing/perf/perf_test.h"
  31
  32 namespace cc {
  33 namespace {
  34
  35 static const int kTimeLimitMillis = 2000;
  36 static const int kWarmupRuns = 5;
  37 static const int kTimeCheckInterval = 10;
  38
  39 class LayerTreeHostCommonPerfTest : public LayerTreeTest {
  40  public:
  41   LayerTreeHostCommonPerfTest()
  42       : timer_(kWarmupRuns,
  43                base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
  44                kTimeCheckInterval) {}
  45
  46   void ReadTestFile(const std::string& name) {
  47     base::FilePath test_data_dir;
  48     ASSERT_TRUE(PathService::Get(CCPaths::DIR_TEST_DATA, &test_data_dir));
  49     base::FilePath json_file = test_data_dir.AppendASCII(name + ".json");
  50     ASSERT_TRUE(base::ReadFileToString(json_file, &json_));
  51   }
  52
  53   void SetupTree() override {
  54     gfx::Size viewport = gfx::Size(720, 1038);
  55     layer_tree_host()->SetViewportSize(viewport);
  56     scoped_refptr<Layer> root =
  57         ParseTreeFromJson(json_, &content_layer_client_);
  58     ASSERT_TRUE(root.get());
  59     layer_tree_host()->SetRootLayer(root);
  60   }
  61
  62   void SetTestName(const std::string& name) { test_name_ = name; }
  63
  64   void AfterTest() override {
  65     CHECK(!test_name_.empty()) << "Must SetTestName() before TearDown().";
  66     perf_test::PrintResult("calc_draw_props_time",
  67                            "",
  68                            test_name_,
  69                            1000 * timer_.MsPerLap(),
  70                            "us",
  71                            true);
  72   }
  73
  74  protected:
  75   FakeContentLayerClient content_layer_client_;
  76   LapTimer timer_;
  77   std::string test_name_;
  78   std::string json_;
  79 };
  80
  81 class CalcDrawPropsMainTest : public LayerTreeHostCommonPerfTest {
  82  public:
  83   void RunCalcDrawProps() {
  84     RunTest(false, false, false);
  85   }
  86
  87   void BeginTest() override {
  88     timer_.Reset();
  89
  90     do {
  91       bool can_render_to_separate_surface = true;
  92       int max_texture_size = 8096;
  93       RenderSurfaceLayerList update_list;
  94       LayerTreeHostCommon::CalcDrawPropsMainInputs inputs(
  95           layer_tree_host()->root_layer(),
  96           layer_tree_host()->device_viewport_size(),
  97           gfx::Transform(),
  98           layer_tree_host()->device_scale_factor(),
  99           layer_tree_host()->page_scale_factor(),
 100           layer_tree_host()->page_scale_layer(),
 101           max_texture_size,
 102           layer_tree_host()->settings().can_use_lcd_text,
 103           can_render_to_separate_surface,
 104           layer_tree_host()
 105               ->settings()
 106               .layer_transforms_should_scale_layer_contents,
 107           &update_list,
 108           0);
 109       LayerTreeHostCommon::CalculateDrawProperties(&inputs);
 110
 111       timer_.NextLap();
 112     } while (!timer_.HasTimeLimitExpired());
 113
 114     EndTest();
 115   }
 116 };
 117
 118 class CalcDrawPropsImplTest : public LayerTreeHostCommonPerfTest {
 119  public:
 120   void RunCalcDrawProps() {
 121     RunTestWithImplSidePainting();
 122   }
 123
 124   void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 125
 126   void DrawLayersOnThread(LayerTreeHostImpl* host_impl) override {
 127     timer_.Reset();
 128     LayerTreeImpl* active_tree = host_impl->active_tree();
 129
 130     do {
 131       bool can_render_to_separate_surface = true;
 132       int max_texture_size = 8096;
 133       DoCalcDrawPropertiesImpl(can_render_to_separate_surface,
 134                                max_texture_size,
 135                                active_tree,
 136                                host_impl);
 137
 138       timer_.NextLap();
 139     } while (!timer_.HasTimeLimitExpired());
 140
 141     EndTest();
 142   }
 143
 144   void DoCalcDrawPropertiesImpl(bool can_render_to_separate_surface,
 145                                 int max_texture_size,
 146                                 LayerTreeImpl* active_tree,
 147                                 LayerTreeHostImpl* host_impl) {
 148     LayerImplList update_list;
 149     LayerTreeHostCommon::CalcDrawPropsImplInputs inputs(
 150         active_tree->root_layer(),
 151         active_tree->DrawViewportSize(),
 152         host_impl->DrawTransform(),
 153         active_tree->device_scale_factor(),
 154         active_tree->total_page_scale_factor(),
 155         active_tree->InnerViewportContainerLayer(),
 156         max_texture_size,
 157         host_impl->settings().can_use_lcd_text,
 158         can_render_to_separate_surface,
 159         host_impl->settings().layer_transforms_should_scale_layer_contents,
 160         &update_list,
 161         0);
 162     LayerTreeHostCommon::CalculateDrawProperties(&inputs);
 163   }
 164 };
 165
 166 class LayerSorterMainTest : public CalcDrawPropsImplTest {
 167  public:
 168   void RunSortLayers() { RunTest(false, false, false); }
 169
 170   void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 171
 172   void DrawLayersOnThread(LayerTreeHostImpl* host_impl) override {
 173     LayerTreeImpl* active_tree = host_impl->active_tree();
 174     // First build the tree and then we'll start running tests on layersorter
 175     // itself
 176     bool can_render_to_separate_surface = true;
 177     int max_texture_size = 8096;
 178     DoCalcDrawPropertiesImpl(can_render_to_separate_surface,
 179                              max_texture_size,
 180                              active_tree,
 181                              host_impl);
 182
 183     // Behaviour of this test is different from that of sorting in practice.
 184     // In this case, all layers that exist in any 3D context are put into a list
 185     // and are sorted as one big 3D context instead of several smaller ones.
 186     BuildLayerImplList(active_tree->root_layer(), &base_list_);
 187     timer_.Reset();
 188     do {
 189       // Here we'll move the layers into a LayerImpl list of their own to be
 190       // sorted so we don't have a sorted list for every run after the first
 191       LayerImplList test_list = base_list_;
 192       layer_sorter_.Sort(test_list.begin(), test_list.end());
 193       timer_.NextLap();
 194     } while (!timer_.HasTimeLimitExpired());
 195
 196     EndTest();
 197   }
 198
 199   void BuildLayerImplList(LayerImpl* layer, LayerImplList* list) {
 200     if (layer->Is3dSorted()) {
 201       list->push_back(layer);
 202     }
 203
 204     for (size_t i = 0; i < layer->children().size(); i++) {
 205       BuildLayerImplList(layer->children()[i], list);
 206     }
 207   }
 208
 209  private:
 210   LayerImplList base_list_;
 211   LayerSorter layer_sorter_;
 212 };
 213
 214 class BspTreePerfTest : public LayerSorterMainTest {
 215  public:
 216   void RunSortLayers() { RunTest(false, false, false); }
 217
 218   void SetNumberOfDuplicates(int num_duplicates) {
 219     num_duplicates_ = num_duplicates;
 220   }
 221
 222   void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 223
 224   void DrawLayersOnThread(LayerTreeHostImpl* host_impl) override {
 225     LayerTreeImpl* active_tree = host_impl->active_tree();
 226     // First build the tree and then we'll start running tests on layersorter
 227     // itself
 228     bool can_render_to_separate_surface = true;
 229     int max_texture_size = 8096;
 230     DoCalcDrawPropertiesImpl(can_render_to_separate_surface,
 231                              max_texture_size,
 232                              active_tree,
 233                              host_impl);
 234
 235     LayerImplList base_list;
 236     BuildLayerImplList(active_tree->root_layer(), &base_list);
 237
 238     int polygon_counter = 0;
 239     ScopedPtrVector<DrawPolygon> polygon_list;
 240     for (LayerImplList::iterator it = base_list.begin(); it != base_list.end();
 241          ++it) {
 242       DrawPolygon* draw_polygon =
 243           new DrawPolygon(NULL,
 244                           gfx::RectF((*it)->content_bounds()),
 245                           (*it)->draw_transform(),
 246                           polygon_counter++);
 247       polygon_list.push_back(scoped_ptr<DrawPolygon>(draw_polygon));
 248     }
 249
 250     timer_.Reset();
 251     do {
 252       ScopedPtrDeque<DrawPolygon> test_list;
 253       for (int i = 0; i < num_duplicates_; i++) {
 254         for (size_t i = 0; i < polygon_list.size(); i++) {
 255           test_list.push_back(polygon_list[i]->CreateCopy());
 256         }
 257       }
 258       BspTree bsp_tree(&test_list);
 259       timer_.NextLap();
 260     } while (!timer_.HasTimeLimitExpired());
 261
 262     EndTest();
 263   }
 264
 265  private:
 266   int num_duplicates_;
 267 };
 268
 269 TEST_F(CalcDrawPropsMainTest, TenTen) {
 270   SetTestName("10_10_main_thread");
 271   ReadTestFile("10_10_layer_tree");
 272   RunCalcDrawProps();
 273 }
 274
 275 TEST_F(CalcDrawPropsMainTest, HeavyPage) {
 276   SetTestName("heavy_page_main_thread");
 277   ReadTestFile("heavy_layer_tree");
 278   RunCalcDrawProps();
 279 }
 280
 281 TEST_F(CalcDrawPropsMainTest, TouchRegionLight) {
 282   SetTestName("touch_region_light_main_thread");
 283   ReadTestFile("touch_region_light");
 284   RunCalcDrawProps();
 285 }
 286
 287 TEST_F(CalcDrawPropsMainTest, TouchRegionHeavy) {
 288   SetTestName("touch_region_heavy_main_thread");
 289   ReadTestFile("touch_region_heavy");
 290   RunCalcDrawProps();
 291 }
 292
 293 TEST_F(CalcDrawPropsImplTest, TenTen) {
 294   SetTestName("10_10");
 295   ReadTestFile("10_10_layer_tree");
 296   RunCalcDrawProps();
 297 }
 298
 299 TEST_F(CalcDrawPropsImplTest, HeavyPage) {
 300   SetTestName("heavy_page");
 301   ReadTestFile("heavy_layer_tree");
 302   RunCalcDrawProps();
 303 }
 304
 305 TEST_F(CalcDrawPropsImplTest, TouchRegionLight) {
 306   SetTestName("touch_region_light");
 307   ReadTestFile("touch_region_light");
 308   RunCalcDrawProps();
 309 }
 310
 311 TEST_F(CalcDrawPropsImplTest, TouchRegionHeavy) {
 312   SetTestName("touch_region_heavy");
 313   ReadTestFile("touch_region_heavy");
 314   RunCalcDrawProps();
 315 }
 316
 317 TEST_F(LayerSorterMainTest, LayerSorterCubes) {
 318   SetTestName("layer_sort_cubes");
 319   ReadTestFile("layer_sort_cubes");
 320   RunSortLayers();
 321 }
 322
 323 TEST_F(LayerSorterMainTest, LayerSorterRubik) {
 324   SetTestName("layer_sort_rubik");
 325   ReadTestFile("layer_sort_rubik");
 326   RunSortLayers();
 327 }
 328
 329 TEST_F(BspTreePerfTest, BspTreeCubes) {
 330   SetTestName("bsp_tree_cubes");
 331   SetNumberOfDuplicates(1);
 332   ReadTestFile("layer_sort_cubes");
 333   RunSortLayers();
 334 }
 335
 336 TEST_F(BspTreePerfTest, BspTreeRubik) {
 337   SetTestName("bsp_tree_rubik");
 338   SetNumberOfDuplicates(1);
 339   ReadTestFile("layer_sort_rubik");
 340   RunSortLayers();
 341 }
 342
 343 TEST_F(BspTreePerfTest, BspTreeCubes_2) {
 344   SetTestName("bsp_tree_cubes_2");
 345   SetNumberOfDuplicates(2);
 346   ReadTestFile("layer_sort_cubes");
 347   RunSortLayers();
 348 }
 349
 350 TEST_F(BspTreePerfTest, BspTreeCubes_4) {
 351   SetTestName("bsp_tree_cubes_4");
 352   SetNumberOfDuplicates(4);
 353   ReadTestFile("layer_sort_cubes");
 354   RunSortLayers();
 355 }
 356
 357 }  // namespace
 358 }  // namespace cc