src/cc/resources/tile_manager_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 "base/time/time.h"
   6 #include "cc/debug/lap_timer.h"
   7 #include "cc/resources/tile.h"
   8 #include "cc/resources/tile_priority.h"
   9 #include "cc/test/fake_impl_proxy.h"
  10 #include "cc/test/fake_layer_tree_host_impl.h"
  11 #include "cc/test/fake_output_surface.h"
  12 #include "cc/test/fake_output_surface_client.h"
  13 #include "cc/test/fake_picture_layer_impl.h"
  14 #include "cc/test/fake_picture_pile_impl.h"
  15 #include "cc/test/fake_tile_manager.h"
  16 #include "cc/test/fake_tile_manager_client.h"
  17 #include "cc/test/impl_side_painting_settings.h"
  18 #include "cc/test/test_shared_bitmap_manager.h"
  19 #include "cc/test/test_tile_priorities.h"
  20 #include "cc/trees/layer_tree_impl.h"
  21
  22 #include "testing/gtest/include/gtest/gtest.h"
  23 #include "testing/perf/perf_test.h"
  24
  25 namespace cc {
  26
  27 namespace {
  28
  29 static const int kTimeLimitMillis = 2000;
  30 static const int kWarmupRuns = 5;
  31 static const int kTimeCheckInterval = 10;
  32
  33 class FakeRasterizerImpl : public Rasterizer, public RasterizerTaskClient {
  34  public:
  35   // Overridden from Rasterizer:
  36   virtual void SetClient(RasterizerClient* client) OVERRIDE {}
  37   virtual void Shutdown() OVERRIDE {}
  38   virtual void ScheduleTasks(RasterTaskQueue* queue) OVERRIDE {
  39     for (RasterTaskQueue::Item::Vector::const_iterator it =
  40              queue->items.begin();
  41          it != queue->items.end();
  42          ++it) {
  43       RasterTask* task = it->task;
  44
  45       task->WillSchedule();
  46       task->ScheduleOnOriginThread(this);
  47       task->DidSchedule();
  48
  49       completed_tasks_.push_back(task);
  50     }
  51   }
  52   virtual void CheckForCompletedTasks() OVERRIDE {
  53     for (RasterTask::Vector::iterator it = completed_tasks_.begin();
  54          it != completed_tasks_.end();
  55          ++it) {
  56       RasterTask* task = it->get();
  57
  58       task->WillComplete();
  59       task->CompleteOnOriginThread(this);
  60       task->DidComplete();
  61
  62       task->RunReplyOnOriginThread();
  63     }
  64     completed_tasks_.clear();
  65   }
  66
  67   // Overridden from RasterizerTaskClient:
  68   virtual SkCanvas* AcquireCanvasForRaster(RasterTask* task) OVERRIDE {
  69     return NULL;
  70   }
  71   virtual void ReleaseCanvasForRaster(RasterTask* task) OVERRIDE {}
  72
  73  private:
  74   RasterTask::Vector completed_tasks_;
  75 };
  76 base::LazyInstance<FakeRasterizerImpl> g_fake_rasterizer =
  77     LAZY_INSTANCE_INITIALIZER;
  78
  79 class TileManagerPerfTest : public testing::Test {
  80  public:
  81   TileManagerPerfTest()
  82       : memory_limit_policy_(ALLOW_ANYTHING),
  83         max_tiles_(10000),
  84         id_(7),
  85         proxy_(base::MessageLoopProxy::current()),
  86         host_impl_(ImplSidePaintingSettings(10000),
  87                    &proxy_,
  88                    &shared_bitmap_manager_),
  89         timer_(kWarmupRuns,
  90                base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
  91                kTimeCheckInterval) {}
  92
  93   void SetTreePriority(TreePriority tree_priority) {
  94     GlobalStateThatImpactsTilePriority state;
  95     gfx::Size tile_size(256, 256);
  96
  97     state.soft_memory_limit_in_bytes = 100 * 1000 * 1000;
  98     state.num_resources_limit = max_tiles_;
  99     state.hard_memory_limit_in_bytes = state.soft_memory_limit_in_bytes * 2;
 100     state.memory_limit_policy = memory_limit_policy_;
 101     state.tree_priority = tree_priority;
 102
 103     global_state_ = state;
 104     host_impl_.resource_pool()->SetResourceUsageLimits(
 105         state.soft_memory_limit_in_bytes, 0, state.num_resources_limit);
 106     host_impl_.tile_manager()->SetGlobalStateForTesting(state);
 107   }
 108
 109   virtual void SetUp() OVERRIDE {
 110     picture_pile_ = FakePicturePileImpl::CreateInfiniteFilledPile();
 111     InitializeRenderer();
 112     SetTreePriority(SAME_PRIORITY_FOR_BOTH_TREES);
 113   }
 114
 115   virtual void InitializeRenderer() {
 116     host_impl_.InitializeRenderer(
 117         FakeOutputSurface::Create3d().PassAs<OutputSurface>());
 118     tile_manager()->SetRasterizerForTesting(g_fake_rasterizer.Pointer());
 119   }
 120
 121   void SetupDefaultTrees(const gfx::Size& layer_bounds) {
 122     gfx::Size tile_size(100, 100);
 123
 124     scoped_refptr<FakePicturePileImpl> pending_pile =
 125         FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
 126     scoped_refptr<FakePicturePileImpl> active_pile =
 127         FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
 128
 129     SetupTrees(pending_pile, active_pile);
 130   }
 131
 132   void ActivateTree() {
 133     host_impl_.ActivatePendingTree();
 134     CHECK(!host_impl_.pending_tree());
 135     pending_root_layer_ = NULL;
 136     active_root_layer_ = static_cast<FakePictureLayerImpl*>(
 137         host_impl_.active_tree()->LayerById(id_));
 138   }
 139
 140   void SetupDefaultTreesWithFixedTileSize(const gfx::Size& layer_bounds,
 141                                           const gfx::Size& tile_size) {
 142     SetupDefaultTrees(layer_bounds);
 143     pending_root_layer_->set_fixed_tile_size(tile_size);
 144     active_root_layer_->set_fixed_tile_size(tile_size);
 145   }
 146
 147   void SetupTrees(scoped_refptr<PicturePileImpl> pending_pile,
 148                   scoped_refptr<PicturePileImpl> active_pile) {
 149     SetupPendingTree(active_pile);
 150     ActivateTree();
 151     SetupPendingTree(pending_pile);
 152   }
 153
 154   void SetupPendingTree(scoped_refptr<PicturePileImpl> pile) {
 155     host_impl_.CreatePendingTree();
 156     LayerTreeImpl* pending_tree = host_impl_.pending_tree();
 157     // Clear recycled tree.
 158     pending_tree->DetachLayerTree();
 159
 160     scoped_ptr<FakePictureLayerImpl> pending_layer =
 161         FakePictureLayerImpl::CreateWithPile(pending_tree, id_, pile);
 162     pending_layer->SetDrawsContent(true);
 163     pending_tree->SetRootLayer(pending_layer.PassAs<LayerImpl>());
 164
 165     pending_root_layer_ = static_cast<FakePictureLayerImpl*>(
 166         host_impl_.pending_tree()->LayerById(id_));
 167     pending_root_layer_->DoPostCommitInitializationIfNeeded();
 168   }
 169
 170   void CreateHighLowResAndSetAllTilesVisible() {
 171     // Active layer must get updated first so pending layer can share from it.
 172     active_root_layer_->CreateDefaultTilingsAndTiles();
 173     active_root_layer_->SetAllTilesVisible();
 174     pending_root_layer_->CreateDefaultTilingsAndTiles();
 175     pending_root_layer_->SetAllTilesVisible();
 176   }
 177
 178   void RunRasterIteratorTest(const std::string& test_name,
 179                              unsigned tile_count) {
 180     timer_.Reset();
 181     do {
 182       int count = tile_count;
 183       for (TileManager::RasterTileIterator it(tile_manager(),
 184                                               SAME_PRIORITY_FOR_BOTH_TREES);
 185            it && count;
 186            ++it) {
 187         --count;
 188       }
 189       ASSERT_EQ(0, count);
 190       timer_.NextLap();
 191     } while (!timer_.HasTimeLimitExpired());
 192
 193     perf_test::PrintResult("tile_manager_raster_tile_iterator",
 194                            "",
 195                            test_name,
 196                            timer_.LapsPerSecond(),
 197                            "runs/s",
 198                            true);
 199   }
 200
 201   std::vector<LayerImpl*> CreateLayers(int layer_count,
 202                                        int tiles_per_layer_count) {
 203     // Compute the width/height required for high res to get
 204     // tiles_per_layer_count tiles.
 205     float width = std::sqrt(static_cast<float>(tiles_per_layer_count));
 206     float height = tiles_per_layer_count / width;
 207
 208     // Adjust the width and height to account for the fact that tiles
 209     // are bigger than 1x1. Also, account for the fact that that we
 210     // will be creating one high res and one low res tiling. That is,
 211     // width and height should be smaller by sqrt(1 + low_res_scale).
 212     // This gives us _approximately_ correct counts.
 213     width *= settings_.default_tile_size.width() /
 214              std::sqrt(1 + settings_.low_res_contents_scale_factor);
 215     height *= settings_.default_tile_size.height() /
 216               std::sqrt(1 + settings_.low_res_contents_scale_factor);
 217
 218     // Ensure that we start with blank trees and no tiles.
 219     host_impl_.ResetTreesForTesting();
 220     tile_manager()->CleanUpReleasedTilesForTesting();
 221
 222     gfx::Size layer_bounds(width, height);
 223     gfx::Size viewport(width / 5, height / 5);
 224     host_impl_.SetViewportSize(viewport);
 225     SetupDefaultTreesWithFixedTileSize(layer_bounds,
 226                                        settings_.default_tile_size);
 227
 228     active_root_layer_->CreateDefaultTilingsAndTiles();
 229     pending_root_layer_->CreateDefaultTilingsAndTiles();
 230
 231     std::vector<LayerImpl*> layers;
 232
 233     // Pending layer counts as one layer.
 234     layers.push_back(pending_root_layer_);
 235     int next_id = id_ + 1;
 236
 237     // Create the rest of the layers as children of the root layer.
 238     while (static_cast<int>(layers.size()) < layer_count) {
 239       scoped_ptr<FakePictureLayerImpl> layer =
 240           FakePictureLayerImpl::CreateWithPile(
 241               host_impl_.pending_tree(), next_id, picture_pile_);
 242       layer->SetBounds(layer_bounds);
 243       layers.push_back(layer.get());
 244       pending_root_layer_->AddChild(layer.PassAs<LayerImpl>());
 245
 246       FakePictureLayerImpl* fake_layer =
 247           static_cast<FakePictureLayerImpl*>(layers.back());
 248
 249       fake_layer->SetDrawsContent(true);
 250       fake_layer->DoPostCommitInitializationIfNeeded();
 251       fake_layer->CreateDefaultTilingsAndTiles();
 252       ++next_id;
 253     }
 254
 255     return layers;
 256   }
 257
 258   GlobalStateThatImpactsTilePriority GlobalStateForTest() {
 259     GlobalStateThatImpactsTilePriority state;
 260     gfx::Size tile_size = settings_.default_tile_size;
 261     state.soft_memory_limit_in_bytes =
 262         10000u * 4u *
 263         static_cast<size_t>(tile_size.width() * tile_size.height());
 264     state.hard_memory_limit_in_bytes = state.soft_memory_limit_in_bytes;
 265     state.num_resources_limit = 10000;
 266     state.memory_limit_policy = ALLOW_ANYTHING;
 267     state.tree_priority = SMOOTHNESS_TAKES_PRIORITY;
 268     return state;
 269   }
 270
 271   void RunManageTilesTest(const std::string& test_name,
 272                           int layer_count,
 273                           int approximate_tile_count_per_layer) {
 274     std::vector<LayerImpl*> layers =
 275         CreateLayers(layer_count, approximate_tile_count_per_layer);
 276     timer_.Reset();
 277     do {
 278       host_impl_.UpdateCurrentFrameTime();
 279       for (unsigned i = 0; i < layers.size(); ++i)
 280         layers[i]->UpdateTiles();
 281
 282       GlobalStateThatImpactsTilePriority global_state(GlobalStateForTest());
 283       tile_manager()->ManageTiles(global_state);
 284       tile_manager()->UpdateVisibleTiles();
 285       timer_.NextLap();
 286       host_impl_.ResetCurrentFrameTimeForNextFrame();
 287     } while (!timer_.HasTimeLimitExpired());
 288
 289     perf_test::PrintResult(
 290         "manage_tiles", "", test_name, timer_.LapsPerSecond(), "runs/s", true);
 291   }
 292
 293   TileManager* tile_manager() { return host_impl_.tile_manager(); }
 294
 295  protected:
 296   GlobalStateThatImpactsTilePriority global_state_;
 297
 298   TestSharedBitmapManager shared_bitmap_manager_;
 299   TileMemoryLimitPolicy memory_limit_policy_;
 300   int max_tiles_;
 301   int id_;
 302   FakeImplProxy proxy_;
 303   FakeLayerTreeHostImpl host_impl_;
 304   FakePictureLayerImpl* pending_root_layer_;
 305   FakePictureLayerImpl* active_root_layer_;
 306   LapTimer timer_;
 307   scoped_refptr<FakePicturePileImpl> picture_pile_;
 308   LayerTreeSettings settings_;
 309 };
 310
 311 TEST_F(TileManagerPerfTest, ManageTiles) {
 312   RunManageTilesTest("1_100", 1, 100);
 313   RunManageTilesTest("1_500", 1, 500);
 314   RunManageTilesTest("1_1000", 1, 1000);
 315   RunManageTilesTest("5_100", 5, 100);
 316   RunManageTilesTest("5_500", 5, 500);
 317   RunManageTilesTest("5_1000", 5, 1000);
 318   RunManageTilesTest("10_100", 10, 100);
 319   RunManageTilesTest("10_500", 10, 500);
 320   RunManageTilesTest("10_1000", 10, 1000);
 321   RunManageTilesTest("100_100", 100, 100);
 322   RunManageTilesTest("100_500", 100, 500);
 323   RunManageTilesTest("100_1000", 100, 1000);
 324 }
 325
 326 TEST_F(TileManagerPerfTest, RasterTileIterator) {
 327   SetupDefaultTrees(gfx::Size(10000, 10000));
 328   active_root_layer_->CreateDefaultTilingsAndTiles();
 329   pending_root_layer_->CreateDefaultTilingsAndTiles();
 330
 331   RunRasterIteratorTest("2_16", 16);
 332   RunRasterIteratorTest("2_32", 32);
 333   RunRasterIteratorTest("2_64", 64);
 334   RunRasterIteratorTest("2_128", 128);
 335 }
 336
 337 }  // namespace
 338
 339 }  // namespace cc