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| 1 // Copyright 2011 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/tree_synchronizer.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <set> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/format_macros.h" | |
| 12 #include "base/strings/stringprintf.h" | |
| 13 #include "cc/animation/layer_animation_controller.h" | |
| 14 #include "cc/layers/layer.h" | |
| 15 #include "cc/layers/layer_impl.h" | |
| 16 #include "cc/test/animation_test_common.h" | |
| 17 #include "cc/test/fake_impl_proxy.h" | |
| 18 #include "cc/test/fake_layer_tree_host.h" | |
| 19 #include "cc/test/fake_rendering_stats_instrumentation.h" | |
| 20 #include "cc/test/test_shared_bitmap_manager.h" | |
| 21 #include "cc/trees/proxy.h" | |
| 22 #include "cc/trees/single_thread_proxy.h" | |
| 23 #include "testing/gtest/include/gtest/gtest.h" | |
| 24 | |
| 25 namespace cc { | |
| 26 namespace { | |
| 27 | |
| 28 class MockLayerImpl : public LayerImpl { | |
| 29 public: | |
| 30 static scoped_ptr<MockLayerImpl> Create(LayerTreeImpl* tree_impl, | |
| 31 int layer_id) { | |
| 32 return make_scoped_ptr(new MockLayerImpl(tree_impl, layer_id)); | |
| 33 } | |
| 34 ~MockLayerImpl() override { | |
| 35 if (layer_impl_destruction_list_) | |
| 36 layer_impl_destruction_list_->push_back(id()); | |
| 37 } | |
| 38 | |
| 39 void SetLayerImplDestructionList(std::vector<int>* list) { | |
| 40 layer_impl_destruction_list_ = list; | |
| 41 } | |
| 42 | |
| 43 private: | |
| 44 MockLayerImpl(LayerTreeImpl* tree_impl, int layer_id) | |
| 45 : LayerImpl(tree_impl, layer_id), | |
| 46 layer_impl_destruction_list_(NULL) {} | |
| 47 | |
| 48 std::vector<int>* layer_impl_destruction_list_; | |
| 49 }; | |
| 50 | |
| 51 class MockLayer : public Layer { | |
| 52 public: | |
| 53 static scoped_refptr<MockLayer> Create( | |
| 54 std::vector<int>* layer_impl_destruction_list) { | |
| 55 return make_scoped_refptr(new MockLayer(layer_impl_destruction_list)); | |
| 56 } | |
| 57 | |
| 58 scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override { | |
| 59 return MockLayerImpl::Create(tree_impl, layer_id_); | |
| 60 } | |
| 61 | |
| 62 void PushPropertiesTo(LayerImpl* layer_impl) override { | |
| 63 Layer::PushPropertiesTo(layer_impl); | |
| 64 | |
| 65 MockLayerImpl* mock_layer_impl = static_cast<MockLayerImpl*>(layer_impl); | |
| 66 mock_layer_impl->SetLayerImplDestructionList(layer_impl_destruction_list_); | |
| 67 } | |
| 68 | |
| 69 private: | |
| 70 explicit MockLayer(std::vector<int>* layer_impl_destruction_list) | |
| 71 : Layer(), layer_impl_destruction_list_(layer_impl_destruction_list) {} | |
| 72 ~MockLayer() override {} | |
| 73 | |
| 74 std::vector<int>* layer_impl_destruction_list_; | |
| 75 }; | |
| 76 | |
| 77 class FakeLayerAnimationController : public LayerAnimationController { | |
| 78 public: | |
| 79 static scoped_refptr<LayerAnimationController> Create() { | |
| 80 return static_cast<LayerAnimationController*>( | |
| 81 new FakeLayerAnimationController); | |
| 82 } | |
| 83 | |
| 84 bool SynchronizedAnimations() const { return synchronized_animations_; } | |
| 85 | |
| 86 private: | |
| 87 FakeLayerAnimationController() | |
| 88 : LayerAnimationController(1), | |
| 89 synchronized_animations_(false) {} | |
| 90 | |
| 91 ~FakeLayerAnimationController() override {} | |
| 92 | |
| 93 void PushAnimationUpdatesTo( | |
| 94 LayerAnimationController* controller_impl) override { | |
| 95 LayerAnimationController::PushAnimationUpdatesTo(controller_impl); | |
| 96 synchronized_animations_ = true; | |
| 97 } | |
| 98 | |
| 99 bool synchronized_animations_; | |
| 100 }; | |
| 101 | |
| 102 void ExpectTreesAreIdentical(Layer* layer, | |
| 103 LayerImpl* layer_impl, | |
| 104 LayerTreeImpl* tree_impl) { | |
| 105 ASSERT_TRUE(layer); | |
| 106 ASSERT_TRUE(layer_impl); | |
| 107 | |
| 108 EXPECT_EQ(layer->id(), layer_impl->id()); | |
| 109 EXPECT_EQ(layer_impl->layer_tree_impl(), tree_impl); | |
| 110 | |
| 111 EXPECT_EQ(layer->non_fast_scrollable_region(), | |
| 112 layer_impl->non_fast_scrollable_region()); | |
| 113 | |
| 114 ASSERT_EQ(!!layer->mask_layer(), !!layer_impl->mask_layer()); | |
| 115 if (layer->mask_layer()) { | |
| 116 SCOPED_TRACE("mask_layer"); | |
| 117 ExpectTreesAreIdentical( | |
| 118 layer->mask_layer(), layer_impl->mask_layer(), tree_impl); | |
| 119 } | |
| 120 | |
| 121 ASSERT_EQ(!!layer->replica_layer(), !!layer_impl->replica_layer()); | |
| 122 if (layer->replica_layer()) { | |
| 123 SCOPED_TRACE("replica_layer"); | |
| 124 ExpectTreesAreIdentical( | |
| 125 layer->replica_layer(), layer_impl->replica_layer(), tree_impl); | |
| 126 } | |
| 127 | |
| 128 const LayerList& layer_children = layer->children(); | |
| 129 const OwnedLayerImplList& layer_impl_children = layer_impl->children(); | |
| 130 | |
| 131 ASSERT_EQ(layer_children.size(), layer_impl_children.size()); | |
| 132 | |
| 133 const std::set<Layer*>* layer_scroll_children = layer->scroll_children(); | |
| 134 const std::set<LayerImpl*>* layer_impl_scroll_children = | |
| 135 layer_impl->scroll_children(); | |
| 136 | |
| 137 ASSERT_EQ(!!layer_scroll_children, !!layer_impl_scroll_children); | |
| 138 | |
| 139 if (layer_scroll_children) { | |
| 140 ASSERT_EQ( | |
| 141 layer_scroll_children->size(), | |
| 142 layer_impl_scroll_children->size()); | |
| 143 } | |
| 144 | |
| 145 const Layer* layer_scroll_parent = layer->scroll_parent(); | |
| 146 const LayerImpl* layer_impl_scroll_parent = layer_impl->scroll_parent(); | |
| 147 | |
| 148 ASSERT_EQ(!!layer_scroll_parent, !!layer_impl_scroll_parent); | |
| 149 | |
| 150 if (layer_scroll_parent) { | |
| 151 ASSERT_EQ(layer_scroll_parent->id(), layer_impl_scroll_parent->id()); | |
| 152 ASSERT_TRUE(layer_scroll_parent->scroll_children()->find(layer) != | |
| 153 layer_scroll_parent->scroll_children()->end()); | |
| 154 ASSERT_TRUE(layer_impl_scroll_parent->scroll_children()->find(layer_impl) != | |
| 155 layer_impl_scroll_parent->scroll_children()->end()); | |
| 156 } | |
| 157 | |
| 158 const std::set<Layer*>* layer_clip_children = layer->clip_children(); | |
| 159 const std::set<LayerImpl*>* layer_impl_clip_children = | |
| 160 layer_impl->clip_children(); | |
| 161 | |
| 162 ASSERT_EQ(!!layer_clip_children, !!layer_impl_clip_children); | |
| 163 | |
| 164 if (layer_clip_children) | |
| 165 ASSERT_EQ(layer_clip_children->size(), layer_impl_clip_children->size()); | |
| 166 | |
| 167 const Layer* layer_clip_parent = layer->clip_parent(); | |
| 168 const LayerImpl* layer_impl_clip_parent = layer_impl->clip_parent(); | |
| 169 | |
| 170 ASSERT_EQ(!!layer_clip_parent, !!layer_impl_clip_parent); | |
| 171 | |
| 172 if (layer_clip_parent) { | |
| 173 const std::set<LayerImpl*>* clip_children_impl = | |
| 174 layer_impl_clip_parent->clip_children(); | |
| 175 const std::set<Layer*>* clip_children = | |
| 176 layer_clip_parent->clip_children(); | |
| 177 ASSERT_EQ(layer_clip_parent->id(), layer_impl_clip_parent->id()); | |
| 178 ASSERT_TRUE(clip_children->find(layer) != clip_children->end()); | |
| 179 ASSERT_TRUE(clip_children_impl->find(layer_impl) != | |
| 180 clip_children_impl->end()); | |
| 181 } | |
| 182 | |
| 183 for (size_t i = 0; i < layer_children.size(); ++i) { | |
| 184 SCOPED_TRACE(base::StringPrintf("child layer %" PRIuS, i).c_str()); | |
| 185 ExpectTreesAreIdentical( | |
| 186 layer_children[i].get(), layer_impl_children[i], tree_impl); | |
| 187 } | |
| 188 } | |
| 189 | |
| 190 class TreeSynchronizerTest : public testing::Test { | |
| 191 public: | |
| 192 TreeSynchronizerTest() | |
| 193 : client_(FakeLayerTreeHostClient::DIRECT_3D), | |
| 194 host_(FakeLayerTreeHost::Create(&client_)) {} | |
| 195 | |
| 196 protected: | |
| 197 FakeLayerTreeHostClient client_; | |
| 198 scoped_ptr<FakeLayerTreeHost> host_; | |
| 199 }; | |
| 200 | |
| 201 // Attempts to synchronizes a null tree. This should not crash, and should | |
| 202 // return a null tree. | |
| 203 TEST_F(TreeSynchronizerTest, SyncNullTree) { | |
| 204 scoped_ptr<LayerImpl> layer_impl_tree_root = | |
| 205 TreeSynchronizer::SynchronizeTrees( | |
| 206 static_cast<Layer*>(NULL), nullptr, host_->active_tree()); | |
| 207 | |
| 208 EXPECT_TRUE(!layer_impl_tree_root.get()); | |
| 209 } | |
| 210 | |
| 211 // Constructs a very simple tree and synchronizes it without trying to reuse any | |
| 212 // preexisting layers. | |
| 213 TEST_F(TreeSynchronizerTest, SyncSimpleTreeFromEmpty) { | |
| 214 scoped_refptr<Layer> layer_tree_root = Layer::Create(); | |
| 215 layer_tree_root->AddChild(Layer::Create()); | |
| 216 layer_tree_root->AddChild(Layer::Create()); | |
| 217 | |
| 218 host_->SetRootLayer(layer_tree_root); | |
| 219 | |
| 220 scoped_ptr<LayerImpl> layer_impl_tree_root = | |
| 221 TreeSynchronizer::SynchronizeTrees( | |
| 222 layer_tree_root.get(), nullptr, host_->active_tree()); | |
| 223 | |
| 224 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 225 layer_impl_tree_root.get(), | |
| 226 host_->active_tree()); | |
| 227 } | |
| 228 | |
| 229 // Constructs a very simple tree and synchronizes it attempting to reuse some | |
| 230 // layers | |
| 231 TEST_F(TreeSynchronizerTest, SyncSimpleTreeReusingLayers) { | |
| 232 std::vector<int> layer_impl_destruction_list; | |
| 233 | |
| 234 scoped_refptr<Layer> layer_tree_root = | |
| 235 MockLayer::Create(&layer_impl_destruction_list); | |
| 236 layer_tree_root->AddChild(MockLayer::Create(&layer_impl_destruction_list)); | |
| 237 layer_tree_root->AddChild(MockLayer::Create(&layer_impl_destruction_list)); | |
| 238 | |
| 239 host_->SetRootLayer(layer_tree_root); | |
| 240 | |
| 241 scoped_ptr<LayerImpl> layer_impl_tree_root = | |
| 242 TreeSynchronizer::SynchronizeTrees( | |
| 243 layer_tree_root.get(), nullptr, host_->active_tree()); | |
| 244 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 245 layer_impl_tree_root.get(), | |
| 246 host_->active_tree()); | |
| 247 | |
| 248 // We have to push properties to pick up the destruction list pointer. | |
| 249 TreeSynchronizer::PushProperties(layer_tree_root.get(), | |
| 250 layer_impl_tree_root.get()); | |
| 251 | |
| 252 // Add a new layer to the Layer side | |
| 253 layer_tree_root->children()[0]-> | |
| 254 AddChild(MockLayer::Create(&layer_impl_destruction_list)); | |
| 255 // Remove one. | |
| 256 layer_tree_root->children()[1]->RemoveFromParent(); | |
| 257 int second_layer_impl_id = layer_impl_tree_root->children()[1]->id(); | |
| 258 | |
| 259 // Synchronize again. After the sync the trees should be equivalent and we | |
| 260 // should have created and destroyed one LayerImpl. | |
| 261 layer_impl_tree_root = | |
| 262 TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), | |
| 263 layer_impl_tree_root.Pass(), | |
| 264 host_->active_tree()); | |
| 265 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 266 layer_impl_tree_root.get(), | |
| 267 host_->active_tree()); | |
| 268 | |
| 269 ASSERT_EQ(1u, layer_impl_destruction_list.size()); | |
| 270 EXPECT_EQ(second_layer_impl_id, layer_impl_destruction_list[0]); | |
| 271 } | |
| 272 | |
| 273 // Constructs a very simple tree and checks that a stacking-order change is | |
| 274 // tracked properly. | |
| 275 TEST_F(TreeSynchronizerTest, SyncSimpleTreeAndTrackStackingOrderChange) { | |
| 276 std::vector<int> layer_impl_destruction_list; | |
| 277 | |
| 278 // Set up the tree and sync once. child2 needs to be synced here, too, even | |
| 279 // though we remove it to set up the intended scenario. | |
| 280 scoped_refptr<Layer> layer_tree_root = | |
| 281 MockLayer::Create(&layer_impl_destruction_list); | |
| 282 scoped_refptr<Layer> child2 = MockLayer::Create(&layer_impl_destruction_list); | |
| 283 layer_tree_root->AddChild(MockLayer::Create(&layer_impl_destruction_list)); | |
| 284 layer_tree_root->AddChild(child2); | |
| 285 | |
| 286 host_->SetRootLayer(layer_tree_root); | |
| 287 | |
| 288 scoped_ptr<LayerImpl> layer_impl_tree_root = | |
| 289 TreeSynchronizer::SynchronizeTrees( | |
| 290 layer_tree_root.get(), nullptr, host_->active_tree()); | |
| 291 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 292 layer_impl_tree_root.get(), | |
| 293 host_->active_tree()); | |
| 294 | |
| 295 // We have to push properties to pick up the destruction list pointer. | |
| 296 TreeSynchronizer::PushProperties(layer_tree_root.get(), | |
| 297 layer_impl_tree_root.get()); | |
| 298 | |
| 299 layer_impl_tree_root->ResetAllChangeTrackingForSubtree(); | |
| 300 | |
| 301 // re-insert the layer and sync again. | |
| 302 child2->RemoveFromParent(); | |
| 303 layer_tree_root->AddChild(child2); | |
| 304 layer_impl_tree_root = | |
| 305 TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), | |
| 306 layer_impl_tree_root.Pass(), | |
| 307 host_->active_tree()); | |
| 308 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 309 layer_impl_tree_root.get(), | |
| 310 host_->active_tree()); | |
| 311 | |
| 312 TreeSynchronizer::PushProperties(layer_tree_root.get(), | |
| 313 layer_impl_tree_root.get()); | |
| 314 | |
| 315 // Check that the impl thread properly tracked the change. | |
| 316 EXPECT_FALSE(layer_impl_tree_root->LayerPropertyChanged()); | |
| 317 EXPECT_FALSE(layer_impl_tree_root->children()[0]->LayerPropertyChanged()); | |
| 318 EXPECT_TRUE(layer_impl_tree_root->children()[1]->LayerPropertyChanged()); | |
| 319 } | |
| 320 | |
| 321 TEST_F(TreeSynchronizerTest, SyncSimpleTreeAndProperties) { | |
| 322 scoped_refptr<Layer> layer_tree_root = Layer::Create(); | |
| 323 layer_tree_root->AddChild(Layer::Create()); | |
| 324 layer_tree_root->AddChild(Layer::Create()); | |
| 325 | |
| 326 host_->SetRootLayer(layer_tree_root); | |
| 327 | |
| 328 // Pick some random properties to set. The values are not important, we're | |
| 329 // just testing that at least some properties are making it through. | |
| 330 gfx::PointF root_position = gfx::PointF(2.3f, 7.4f); | |
| 331 layer_tree_root->SetPosition(root_position); | |
| 332 | |
| 333 float first_child_opacity = 0.25f; | |
| 334 layer_tree_root->children()[0]->SetOpacity(first_child_opacity); | |
| 335 | |
| 336 gfx::Size second_child_bounds = gfx::Size(25, 53); | |
| 337 layer_tree_root->children()[1]->SetBounds(second_child_bounds); | |
| 338 layer_tree_root->children()[1]->SavePaintProperties(); | |
| 339 | |
| 340 scoped_ptr<LayerImpl> layer_impl_tree_root = | |
| 341 TreeSynchronizer::SynchronizeTrees( | |
| 342 layer_tree_root.get(), nullptr, host_->active_tree()); | |
| 343 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 344 layer_impl_tree_root.get(), | |
| 345 host_->active_tree()); | |
| 346 | |
| 347 TreeSynchronizer::PushProperties(layer_tree_root.get(), | |
| 348 layer_impl_tree_root.get()); | |
| 349 | |
| 350 // Check that the property values we set on the Layer tree are reflected in | |
| 351 // the LayerImpl tree. | |
| 352 gfx::PointF root_layer_impl_position = layer_impl_tree_root->position(); | |
| 353 EXPECT_EQ(root_position.x(), root_layer_impl_position.x()); | |
| 354 EXPECT_EQ(root_position.y(), root_layer_impl_position.y()); | |
| 355 | |
| 356 EXPECT_EQ(first_child_opacity, | |
| 357 layer_impl_tree_root->children()[0]->opacity()); | |
| 358 | |
| 359 gfx::Size second_layer_impl_child_bounds = | |
| 360 layer_impl_tree_root->children()[1]->bounds(); | |
| 361 EXPECT_EQ(second_child_bounds.width(), | |
| 362 second_layer_impl_child_bounds.width()); | |
| 363 EXPECT_EQ(second_child_bounds.height(), | |
| 364 second_layer_impl_child_bounds.height()); | |
| 365 } | |
| 366 | |
| 367 TEST_F(TreeSynchronizerTest, ReuseLayerImplsAfterStructuralChange) { | |
| 368 std::vector<int> layer_impl_destruction_list; | |
| 369 | |
| 370 // Set up a tree with this sort of structure: | |
| 371 // root --- A --- B ---+--- C | |
| 372 // | | |
| 373 // +--- D | |
| 374 scoped_refptr<Layer> layer_tree_root = | |
| 375 MockLayer::Create(&layer_impl_destruction_list); | |
| 376 layer_tree_root->AddChild(MockLayer::Create(&layer_impl_destruction_list)); | |
| 377 | |
| 378 scoped_refptr<Layer> layer_a = layer_tree_root->children()[0].get(); | |
| 379 layer_a->AddChild(MockLayer::Create(&layer_impl_destruction_list)); | |
| 380 | |
| 381 scoped_refptr<Layer> layer_b = layer_a->children()[0].get(); | |
| 382 layer_b->AddChild(MockLayer::Create(&layer_impl_destruction_list)); | |
| 383 | |
| 384 scoped_refptr<Layer> layer_c = layer_b->children()[0].get(); | |
| 385 layer_b->AddChild(MockLayer::Create(&layer_impl_destruction_list)); | |
| 386 scoped_refptr<Layer> layer_d = layer_b->children()[1].get(); | |
| 387 | |
| 388 host_->SetRootLayer(layer_tree_root); | |
| 389 | |
| 390 scoped_ptr<LayerImpl> layer_impl_tree_root = | |
| 391 TreeSynchronizer::SynchronizeTrees( | |
| 392 layer_tree_root.get(), nullptr, host_->active_tree()); | |
| 393 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 394 layer_impl_tree_root.get(), | |
| 395 host_->active_tree()); | |
| 396 | |
| 397 // We have to push properties to pick up the destruction list pointer. | |
| 398 TreeSynchronizer::PushProperties(layer_tree_root.get(), | |
| 399 layer_impl_tree_root.get()); | |
| 400 | |
| 401 // Now restructure the tree to look like this: | |
| 402 // root --- D ---+--- A | |
| 403 // | | |
| 404 // +--- C --- B | |
| 405 layer_tree_root->RemoveAllChildren(); | |
| 406 layer_d->RemoveAllChildren(); | |
| 407 layer_tree_root->AddChild(layer_d); | |
| 408 layer_a->RemoveAllChildren(); | |
| 409 layer_d->AddChild(layer_a); | |
| 410 layer_c->RemoveAllChildren(); | |
| 411 layer_d->AddChild(layer_c); | |
| 412 layer_b->RemoveAllChildren(); | |
| 413 layer_c->AddChild(layer_b); | |
| 414 | |
| 415 // After another synchronize our trees should match and we should not have | |
| 416 // destroyed any LayerImpls | |
| 417 layer_impl_tree_root = | |
| 418 TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), | |
| 419 layer_impl_tree_root.Pass(), | |
| 420 host_->active_tree()); | |
| 421 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 422 layer_impl_tree_root.get(), | |
| 423 host_->active_tree()); | |
| 424 | |
| 425 EXPECT_EQ(0u, layer_impl_destruction_list.size()); | |
| 426 } | |
| 427 | |
| 428 // Constructs a very simple tree, synchronizes it, then synchronizes to a | |
| 429 // totally new tree. All layers from the old tree should be deleted. | |
| 430 TEST_F(TreeSynchronizerTest, SyncSimpleTreeThenDestroy) { | |
| 431 std::vector<int> layer_impl_destruction_list; | |
| 432 | |
| 433 scoped_refptr<Layer> old_layer_tree_root = | |
| 434 MockLayer::Create(&layer_impl_destruction_list); | |
| 435 old_layer_tree_root->AddChild( | |
| 436 MockLayer::Create(&layer_impl_destruction_list)); | |
| 437 old_layer_tree_root->AddChild( | |
| 438 MockLayer::Create(&layer_impl_destruction_list)); | |
| 439 | |
| 440 host_->SetRootLayer(old_layer_tree_root); | |
| 441 | |
| 442 int old_tree_root_layer_id = old_layer_tree_root->id(); | |
| 443 int old_tree_first_child_layer_id = old_layer_tree_root->children()[0]->id(); | |
| 444 int old_tree_second_child_layer_id = old_layer_tree_root->children()[1]->id(); | |
| 445 | |
| 446 scoped_ptr<LayerImpl> layer_impl_tree_root = | |
| 447 TreeSynchronizer::SynchronizeTrees( | |
| 448 old_layer_tree_root.get(), nullptr, host_->active_tree()); | |
| 449 ExpectTreesAreIdentical(old_layer_tree_root.get(), | |
| 450 layer_impl_tree_root.get(), | |
| 451 host_->active_tree()); | |
| 452 | |
| 453 // We have to push properties to pick up the destruction list pointer. | |
| 454 TreeSynchronizer::PushProperties(old_layer_tree_root.get(), | |
| 455 layer_impl_tree_root.get()); | |
| 456 | |
| 457 // Remove all children on the Layer side. | |
| 458 old_layer_tree_root->RemoveAllChildren(); | |
| 459 | |
| 460 // Synchronize again. After the sync all LayerImpls from the old tree should | |
| 461 // be deleted. | |
| 462 scoped_refptr<Layer> new_layer_tree_root = Layer::Create(); | |
| 463 host_->SetRootLayer(new_layer_tree_root); | |
| 464 layer_impl_tree_root = | |
| 465 TreeSynchronizer::SynchronizeTrees(new_layer_tree_root.get(), | |
| 466 layer_impl_tree_root.Pass(), | |
| 467 host_->active_tree()); | |
| 468 ExpectTreesAreIdentical(new_layer_tree_root.get(), | |
| 469 layer_impl_tree_root.get(), | |
| 470 host_->active_tree()); | |
| 471 | |
| 472 ASSERT_EQ(3u, layer_impl_destruction_list.size()); | |
| 473 | |
| 474 EXPECT_TRUE(std::find(layer_impl_destruction_list.begin(), | |
| 475 layer_impl_destruction_list.end(), | |
| 476 old_tree_root_layer_id) != | |
| 477 layer_impl_destruction_list.end()); | |
| 478 EXPECT_TRUE(std::find(layer_impl_destruction_list.begin(), | |
| 479 layer_impl_destruction_list.end(), | |
| 480 old_tree_first_child_layer_id) != | |
| 481 layer_impl_destruction_list.end()); | |
| 482 EXPECT_TRUE(std::find(layer_impl_destruction_list.begin(), | |
| 483 layer_impl_destruction_list.end(), | |
| 484 old_tree_second_child_layer_id) != | |
| 485 layer_impl_destruction_list.end()); | |
| 486 } | |
| 487 | |
| 488 // Constructs+syncs a tree with mask, replica, and replica mask layers. | |
| 489 TEST_F(TreeSynchronizerTest, SyncMaskReplicaAndReplicaMaskLayers) { | |
| 490 scoped_refptr<Layer> layer_tree_root = Layer::Create(); | |
| 491 layer_tree_root->AddChild(Layer::Create()); | |
| 492 layer_tree_root->AddChild(Layer::Create()); | |
| 493 layer_tree_root->AddChild(Layer::Create()); | |
| 494 | |
| 495 // First child gets a mask layer. | |
| 496 scoped_refptr<Layer> mask_layer = Layer::Create(); | |
| 497 layer_tree_root->children()[0]->SetMaskLayer(mask_layer.get()); | |
| 498 | |
| 499 // Second child gets a replica layer. | |
| 500 scoped_refptr<Layer> replica_layer = Layer::Create(); | |
| 501 layer_tree_root->children()[1]->SetReplicaLayer(replica_layer.get()); | |
| 502 | |
| 503 // Third child gets a replica layer with a mask layer. | |
| 504 scoped_refptr<Layer> replica_layer_with_mask = Layer::Create(); | |
| 505 scoped_refptr<Layer> replica_mask_layer = Layer::Create(); | |
| 506 replica_layer_with_mask->SetMaskLayer(replica_mask_layer.get()); | |
| 507 layer_tree_root->children()[2]-> | |
| 508 SetReplicaLayer(replica_layer_with_mask.get()); | |
| 509 | |
| 510 host_->SetRootLayer(layer_tree_root); | |
| 511 | |
| 512 scoped_ptr<LayerImpl> layer_impl_tree_root = | |
| 513 TreeSynchronizer::SynchronizeTrees( | |
| 514 layer_tree_root.get(), nullptr, host_->active_tree()); | |
| 515 | |
| 516 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 517 layer_impl_tree_root.get(), | |
| 518 host_->active_tree()); | |
| 519 | |
| 520 // Remove the mask layer. | |
| 521 layer_tree_root->children()[0]->SetMaskLayer(NULL); | |
| 522 layer_impl_tree_root = | |
| 523 TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), | |
| 524 layer_impl_tree_root.Pass(), | |
| 525 host_->active_tree()); | |
| 526 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 527 layer_impl_tree_root.get(), | |
| 528 host_->active_tree()); | |
| 529 | |
| 530 // Remove the replica layer. | |
| 531 layer_tree_root->children()[1]->SetReplicaLayer(NULL); | |
| 532 layer_impl_tree_root = | |
| 533 TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), | |
| 534 layer_impl_tree_root.Pass(), | |
| 535 host_->active_tree()); | |
| 536 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 537 layer_impl_tree_root.get(), | |
| 538 host_->active_tree()); | |
| 539 | |
| 540 // Remove the replica mask. | |
| 541 replica_layer_with_mask->SetMaskLayer(NULL); | |
| 542 layer_impl_tree_root = | |
| 543 TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), | |
| 544 layer_impl_tree_root.Pass(), | |
| 545 host_->active_tree()); | |
| 546 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 547 layer_impl_tree_root.get(), | |
| 548 host_->active_tree()); | |
| 549 } | |
| 550 | |
| 551 TEST_F(TreeSynchronizerTest, SynchronizeAnimations) { | |
| 552 LayerTreeSettings settings; | |
| 553 FakeProxy proxy; | |
| 554 DebugScopedSetImplThread impl(&proxy); | |
| 555 FakeRenderingStatsInstrumentation stats_instrumentation; | |
| 556 scoped_ptr<SharedBitmapManager> shared_bitmap_manager( | |
| 557 new TestSharedBitmapManager()); | |
| 558 scoped_ptr<LayerTreeHostImpl> host_impl = | |
| 559 LayerTreeHostImpl::Create(settings, NULL, &proxy, &stats_instrumentation, | |
| 560 shared_bitmap_manager.get(), NULL, NULL, 0); | |
| 561 | |
| 562 scoped_refptr<Layer> layer_tree_root = Layer::Create(); | |
| 563 host_->SetRootLayer(layer_tree_root); | |
| 564 | |
| 565 layer_tree_root->SetLayerAnimationControllerForTest( | |
| 566 FakeLayerAnimationController::Create()); | |
| 567 | |
| 568 EXPECT_FALSE(static_cast<FakeLayerAnimationController*>( | |
| 569 layer_tree_root->layer_animation_controller())->SynchronizedAnimations()); | |
| 570 | |
| 571 scoped_ptr<LayerImpl> layer_impl_tree_root = | |
| 572 TreeSynchronizer::SynchronizeTrees( | |
| 573 layer_tree_root.get(), nullptr, host_->active_tree()); | |
| 574 TreeSynchronizer::PushProperties(layer_tree_root.get(), | |
| 575 layer_impl_tree_root.get()); | |
| 576 layer_impl_tree_root = | |
| 577 TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), | |
| 578 layer_impl_tree_root.Pass(), | |
| 579 host_->active_tree()); | |
| 580 | |
| 581 EXPECT_TRUE(static_cast<FakeLayerAnimationController*>( | |
| 582 layer_tree_root->layer_animation_controller())->SynchronizedAnimations()); | |
| 583 } | |
| 584 | |
| 585 TEST_F(TreeSynchronizerTest, SynchronizeScrollParent) { | |
| 586 LayerTreeSettings settings; | |
| 587 FakeProxy proxy; | |
| 588 DebugScopedSetImplThread impl(&proxy); | |
| 589 FakeRenderingStatsInstrumentation stats_instrumentation; | |
| 590 scoped_ptr<SharedBitmapManager> shared_bitmap_manager( | |
| 591 new TestSharedBitmapManager()); | |
| 592 scoped_ptr<LayerTreeHostImpl> host_impl = | |
| 593 LayerTreeHostImpl::Create(settings, NULL, &proxy, &stats_instrumentation, | |
| 594 shared_bitmap_manager.get(), NULL, NULL, 0); | |
| 595 | |
| 596 scoped_refptr<Layer> layer_tree_root = Layer::Create(); | |
| 597 scoped_refptr<Layer> scroll_parent = Layer::Create(); | |
| 598 layer_tree_root->AddChild(scroll_parent); | |
| 599 layer_tree_root->AddChild(Layer::Create()); | |
| 600 layer_tree_root->AddChild(Layer::Create()); | |
| 601 | |
| 602 host_->SetRootLayer(layer_tree_root); | |
| 603 | |
| 604 // First child is the second and third child's scroll parent. | |
| 605 layer_tree_root->children()[1]->SetScrollParent(scroll_parent.get()); | |
| 606 layer_tree_root->children()[2]->SetScrollParent(scroll_parent.get()); | |
| 607 | |
| 608 scoped_ptr<LayerImpl> layer_impl_tree_root = | |
| 609 TreeSynchronizer::SynchronizeTrees( | |
| 610 layer_tree_root.get(), nullptr, host_impl->active_tree()); | |
| 611 TreeSynchronizer::PushProperties(layer_tree_root.get(), | |
| 612 layer_impl_tree_root.get()); | |
| 613 { | |
| 614 SCOPED_TRACE("case one"); | |
| 615 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 616 layer_impl_tree_root.get(), | |
| 617 host_impl->active_tree()); | |
| 618 } | |
| 619 | |
| 620 // Remove the first scroll child. | |
| 621 layer_tree_root->children()[1]->RemoveFromParent(); | |
| 622 layer_impl_tree_root = | |
| 623 TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), | |
| 624 layer_impl_tree_root.Pass(), | |
| 625 host_impl->active_tree()); | |
| 626 TreeSynchronizer::PushProperties(layer_tree_root.get(), | |
| 627 layer_impl_tree_root.get()); | |
| 628 { | |
| 629 SCOPED_TRACE("case two"); | |
| 630 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 631 layer_impl_tree_root.get(), | |
| 632 host_impl->active_tree()); | |
| 633 } | |
| 634 | |
| 635 // Add an additional scroll layer. | |
| 636 scoped_refptr<Layer> additional_scroll_child = Layer::Create(); | |
| 637 layer_tree_root->AddChild(additional_scroll_child); | |
| 638 additional_scroll_child->SetScrollParent(scroll_parent.get()); | |
| 639 layer_impl_tree_root = | |
| 640 TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), | |
| 641 layer_impl_tree_root.Pass(), | |
| 642 host_impl->active_tree()); | |
| 643 TreeSynchronizer::PushProperties(layer_tree_root.get(), | |
| 644 layer_impl_tree_root.get()); | |
| 645 { | |
| 646 SCOPED_TRACE("case three"); | |
| 647 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 648 layer_impl_tree_root.get(), | |
| 649 host_impl->active_tree()); | |
| 650 } | |
| 651 } | |
| 652 | |
| 653 TEST_F(TreeSynchronizerTest, SynchronizeClipParent) { | |
| 654 LayerTreeSettings settings; | |
| 655 FakeProxy proxy; | |
| 656 DebugScopedSetImplThread impl(&proxy); | |
| 657 FakeRenderingStatsInstrumentation stats_instrumentation; | |
| 658 scoped_ptr<SharedBitmapManager> shared_bitmap_manager( | |
| 659 new TestSharedBitmapManager()); | |
| 660 scoped_ptr<LayerTreeHostImpl> host_impl = | |
| 661 LayerTreeHostImpl::Create(settings, NULL, &proxy, &stats_instrumentation, | |
| 662 shared_bitmap_manager.get(), NULL, NULL, 0); | |
| 663 | |
| 664 scoped_refptr<Layer> layer_tree_root = Layer::Create(); | |
| 665 scoped_refptr<Layer> clip_parent = Layer::Create(); | |
| 666 scoped_refptr<Layer> intervening = Layer::Create(); | |
| 667 scoped_refptr<Layer> clip_child1 = Layer::Create(); | |
| 668 scoped_refptr<Layer> clip_child2 = Layer::Create(); | |
| 669 layer_tree_root->AddChild(clip_parent); | |
| 670 clip_parent->AddChild(intervening); | |
| 671 intervening->AddChild(clip_child1); | |
| 672 intervening->AddChild(clip_child2); | |
| 673 | |
| 674 host_->SetRootLayer(layer_tree_root); | |
| 675 | |
| 676 // First child is the second and third child's scroll parent. | |
| 677 clip_child1->SetClipParent(clip_parent.get()); | |
| 678 clip_child2->SetClipParent(clip_parent.get()); | |
| 679 | |
| 680 scoped_ptr<LayerImpl> layer_impl_tree_root = | |
| 681 TreeSynchronizer::SynchronizeTrees( | |
| 682 layer_tree_root.get(), nullptr, host_impl->active_tree()); | |
| 683 TreeSynchronizer::PushProperties(layer_tree_root.get(), | |
| 684 layer_impl_tree_root.get()); | |
| 685 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 686 layer_impl_tree_root.get(), | |
| 687 host_impl->active_tree()); | |
| 688 | |
| 689 // Remove the first clip child. | |
| 690 clip_child1->RemoveFromParent(); | |
| 691 clip_child1 = NULL; | |
| 692 | |
| 693 layer_impl_tree_root = | |
| 694 TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), | |
| 695 layer_impl_tree_root.Pass(), | |
| 696 host_impl->active_tree()); | |
| 697 TreeSynchronizer::PushProperties(layer_tree_root.get(), | |
| 698 layer_impl_tree_root.get()); | |
| 699 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 700 layer_impl_tree_root.get(), | |
| 701 host_impl->active_tree()); | |
| 702 | |
| 703 // Add an additional clip child. | |
| 704 scoped_refptr<Layer> additional_clip_child = Layer::Create(); | |
| 705 intervening->AddChild(additional_clip_child); | |
| 706 additional_clip_child->SetClipParent(clip_parent.get()); | |
| 707 layer_impl_tree_root = | |
| 708 TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), | |
| 709 layer_impl_tree_root.Pass(), | |
| 710 host_impl->active_tree()); | |
| 711 TreeSynchronizer::PushProperties(layer_tree_root.get(), | |
| 712 layer_impl_tree_root.get()); | |
| 713 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 714 layer_impl_tree_root.get(), | |
| 715 host_impl->active_tree()); | |
| 716 | |
| 717 // Remove the nearest clipping ancestor. | |
| 718 clip_parent->RemoveFromParent(); | |
| 719 clip_parent = NULL; | |
| 720 layer_impl_tree_root = | |
| 721 TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), | |
| 722 layer_impl_tree_root.Pass(), | |
| 723 host_impl->active_tree()); | |
| 724 TreeSynchronizer::PushProperties(layer_tree_root.get(), | |
| 725 layer_impl_tree_root.get()); | |
| 726 ExpectTreesAreIdentical(layer_tree_root.get(), | |
| 727 layer_impl_tree_root.get(), | |
| 728 host_impl->active_tree()); | |
| 729 | |
| 730 // The clip children should have been unhooked. | |
| 731 EXPECT_EQ(2u, intervening->children().size()); | |
| 732 EXPECT_FALSE(clip_child2->clip_parent()); | |
| 733 EXPECT_FALSE(additional_clip_child->clip_parent()); | |
| 734 } | |
| 735 | |
| 736 } // namespace | |
| 737 } // namespace cc | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1057283003:
Remove parts of //cc we aren't using (Closed)
Base URL: git@github.com:domokit/mojo.git@master