cc/test/layer_tree_test.cc

   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/test/layer_tree_test.h"
   6
   7 #include "base/command_line.h"
   8 #include "cc/animation/animation.h"
   9 #include "cc/animation/animation_registrar.h"
  10 #include "cc/animation/layer_animation_controller.h"
  11 #include "cc/animation/timing_function.h"
  12 #include "cc/base/switches.h"
  13 #include "cc/input/input_handler.h"
  14 #include "cc/layers/content_layer.h"
  15 #include "cc/layers/layer.h"
  16 #include "cc/layers/layer_impl.h"
  17 #include "cc/test/animation_test_common.h"
  18 #include "cc/test/fake_layer_tree_host_client.h"
  19 #include "cc/test/fake_output_surface.h"
  20 #include "cc/test/test_context_provider.h"
  21 #include "cc/test/test_shared_bitmap_manager.h"
  22 #include "cc/test/tiled_layer_test_common.h"
  23 #include "cc/trees/layer_tree_host_client.h"
  24 #include "cc/trees/layer_tree_host_impl.h"
  25 #include "cc/trees/layer_tree_host_single_thread_client.h"
  26 #include "cc/trees/layer_tree_impl.h"
  27 #include "cc/trees/single_thread_proxy.h"
  28 #include "cc/trees/thread_proxy.h"
  29 #include "testing/gmock/include/gmock/gmock.h"
  30 #include "ui/gfx/frame_time.h"
  31 #include "ui/gfx/size_conversions.h"
  32
  33 namespace cc {
  34
  35 TestHooks::TestHooks() {}
  36
  37 TestHooks::~TestHooks() {}
  38
  39 DrawResult TestHooks::PrepareToDrawOnThread(
  40     LayerTreeHostImpl* host_impl,
  41     LayerTreeHostImpl::FrameData* frame_data,
  42     DrawResult draw_result) {
  43   return draw_result;
  44 }
  45
  46 base::TimeDelta TestHooks::LowFrequencyAnimationInterval() const {
  47   return base::TimeDelta::FromMilliseconds(16);
  48 }
  49
  50 // Adapts ThreadProxy for test. Injects test hooks for testing.
  51 class ThreadProxyForTest : public ThreadProxy {
  52  public:
  53   static scoped_ptr<Proxy> Create(
  54       TestHooks* test_hooks,
  55       LayerTreeHost* host,
  56       scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
  57       scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner) {
  58     return make_scoped_ptr(
  59                new ThreadProxyForTest(
  60                    test_hooks, host, main_task_runner, impl_task_runner))
  61         .PassAs<Proxy>();
  62   }
  63
  64   virtual ~ThreadProxyForTest() {}
  65
  66   void test() {
  67     test_hooks_->Layout();
  68   }
  69
  70  private:
  71   TestHooks* test_hooks_;
  72
  73   virtual void ScheduledActionSendBeginMainFrame() OVERRIDE {
  74     test_hooks_->ScheduledActionWillSendBeginMainFrame();
  75     ThreadProxy::ScheduledActionSendBeginMainFrame();
  76     test_hooks_->ScheduledActionSendBeginMainFrame();
  77   }
  78
  79   virtual DrawResult ScheduledActionDrawAndSwapIfPossible() OVERRIDE {
  80     DrawResult result = ThreadProxy::ScheduledActionDrawAndSwapIfPossible();
  81     test_hooks_->ScheduledActionDrawAndSwapIfPossible();
  82     return result;
  83   }
  84
  85   virtual void ScheduledActionAnimate() OVERRIDE {
  86     ThreadProxy::ScheduledActionAnimate();
  87     test_hooks_->ScheduledActionAnimate();
  88   }
  89
  90   virtual void ScheduledActionCommit() OVERRIDE {
  91     ThreadProxy::ScheduledActionCommit();
  92     test_hooks_->ScheduledActionCommit();
  93   }
  94
  95   virtual void ScheduledActionBeginOutputSurfaceCreation() OVERRIDE {
  96     ThreadProxy::ScheduledActionBeginOutputSurfaceCreation();
  97     test_hooks_->ScheduledActionBeginOutputSurfaceCreation();
  98   }
  99
 100   ThreadProxyForTest(
 101       TestHooks* test_hooks,
 102       LayerTreeHost* host,
 103       scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
 104       scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner)
 105       : ThreadProxy(host, main_task_runner, impl_task_runner),
 106         test_hooks_(test_hooks) {}
 107 };
 108
 109 // Adapts LayerTreeHostImpl for test. Runs real code, then invokes test hooks.
 110 class LayerTreeHostImplForTesting : public LayerTreeHostImpl {
 111  public:
 112   static scoped_ptr<LayerTreeHostImplForTesting> Create(
 113       TestHooks* test_hooks,
 114       const LayerTreeSettings& settings,
 115       LayerTreeHostImplClient* host_impl_client,
 116       Proxy* proxy,
 117       SharedBitmapManager* manager,
 118       RenderingStatsInstrumentation* stats_instrumentation) {
 119     return make_scoped_ptr(
 120         new LayerTreeHostImplForTesting(test_hooks,
 121                                         settings,
 122                                         host_impl_client,
 123                                         proxy,
 124                                         manager,
 125                                         stats_instrumentation));
 126   }
 127
 128  protected:
 129   LayerTreeHostImplForTesting(
 130       TestHooks* test_hooks,
 131       const LayerTreeSettings& settings,
 132       LayerTreeHostImplClient* host_impl_client,
 133       Proxy* proxy,
 134       SharedBitmapManager* manager,
 135       RenderingStatsInstrumentation* stats_instrumentation)
 136       : LayerTreeHostImpl(settings,
 137                           host_impl_client,
 138                           proxy,
 139                           stats_instrumentation,
 140                           manager,
 141                           0),
 142         test_hooks_(test_hooks),
 143         block_notify_ready_to_activate_for_testing_(false),
 144         notify_ready_to_activate_was_blocked_(false) {}
 145
 146   virtual void WillBeginImplFrame(const BeginFrameArgs& args) OVERRIDE {
 147     LayerTreeHostImpl::WillBeginImplFrame(args);
 148     test_hooks_->WillBeginImplFrameOnThread(this, args);
 149   }
 150
 151   virtual void BeginMainFrameAborted(bool did_handle) OVERRIDE {
 152     LayerTreeHostImpl::BeginMainFrameAborted(did_handle);
 153     test_hooks_->BeginMainFrameAbortedOnThread(this, did_handle);
 154   }
 155
 156   virtual void BeginCommit() OVERRIDE {
 157     LayerTreeHostImpl::BeginCommit();
 158     test_hooks_->BeginCommitOnThread(this);
 159   }
 160
 161   virtual void CommitComplete() OVERRIDE {
 162     LayerTreeHostImpl::CommitComplete();
 163     test_hooks_->CommitCompleteOnThread(this);
 164   }
 165
 166   virtual DrawResult PrepareToDraw(FrameData* frame) OVERRIDE {
 167     DrawResult draw_result = LayerTreeHostImpl::PrepareToDraw(frame);
 168     return test_hooks_->PrepareToDrawOnThread(this, frame, draw_result);
 169   }
 170
 171   virtual void DrawLayers(FrameData* frame,
 172                           base::TimeTicks frame_begin_time) OVERRIDE {
 173     LayerTreeHostImpl::DrawLayers(frame, frame_begin_time);
 174     test_hooks_->DrawLayersOnThread(this);
 175   }
 176
 177   virtual bool SwapBuffers(const LayerTreeHostImpl::FrameData& frame) OVERRIDE {
 178     bool result = LayerTreeHostImpl::SwapBuffers(frame);
 179     test_hooks_->SwapBuffersOnThread(this, result);
 180     return result;
 181   }
 182
 183   virtual void DidSwapBuffersComplete() OVERRIDE {
 184     LayerTreeHostImpl::DidSwapBuffersComplete();
 185     test_hooks_->SwapBuffersCompleteOnThread(this);
 186   }
 187
 188   virtual void ReclaimResources(const CompositorFrameAck* ack) OVERRIDE {
 189     LayerTreeHostImpl::ReclaimResources(ack);
 190   }
 191
 192   virtual void UpdateVisibleTiles() OVERRIDE {
 193     LayerTreeHostImpl::UpdateVisibleTiles();
 194     test_hooks_->UpdateVisibleTilesOnThread(this);
 195   }
 196
 197   virtual void NotifyReadyToActivate() OVERRIDE {
 198     if (block_notify_ready_to_activate_for_testing_)
 199       notify_ready_to_activate_was_blocked_ = true;
 200     else
 201       client_->NotifyReadyToActivate();
 202   }
 203
 204   virtual void BlockNotifyReadyToActivateForTesting(bool block) OVERRIDE {
 205     block_notify_ready_to_activate_for_testing_ = block;
 206     if (!block && notify_ready_to_activate_was_blocked_) {
 207       NotifyReadyToActivate();
 208       notify_ready_to_activate_was_blocked_ = false;
 209     }
 210   }
 211
 212   virtual void ActivateSyncTree() OVERRIDE {
 213     test_hooks_->WillActivateTreeOnThread(this);
 214     LayerTreeHostImpl::ActivateSyncTree();
 215     DCHECK(!pending_tree());
 216     test_hooks_->DidActivateTreeOnThread(this);
 217   }
 218
 219   virtual bool InitializeRenderer(scoped_ptr<OutputSurface> output_surface)
 220       OVERRIDE {
 221     bool success = LayerTreeHostImpl::InitializeRenderer(output_surface.Pass());
 222     test_hooks_->InitializedRendererOnThread(this, success);
 223     return success;
 224   }
 225
 226   virtual void SetVisible(bool visible) OVERRIDE {
 227     LayerTreeHostImpl::SetVisible(visible);
 228     test_hooks_->DidSetVisibleOnImplTree(this, visible);
 229   }
 230
 231   virtual void AnimateLayers(base::TimeTicks monotonic_time) OVERRIDE {
 232     test_hooks_->WillAnimateLayers(this, monotonic_time);
 233     LayerTreeHostImpl::AnimateLayers(monotonic_time);
 234     test_hooks_->AnimateLayers(this, monotonic_time);
 235   }
 236
 237   virtual void UpdateAnimationState(bool start_ready_animations) OVERRIDE {
 238     LayerTreeHostImpl::UpdateAnimationState(start_ready_animations);
 239     bool has_unfinished_animation = false;
 240     AnimationRegistrar::AnimationControllerMap::const_iterator iter =
 241         active_animation_controllers().begin();
 242     for (; iter != active_animation_controllers().end(); ++iter) {
 243       if (iter->second->HasActiveAnimation()) {
 244         has_unfinished_animation = true;
 245         break;
 246       }
 247     }
 248     test_hooks_->UpdateAnimationState(this, has_unfinished_animation);
 249   }
 250
 251   virtual base::TimeDelta LowFrequencyAnimationInterval() const OVERRIDE {
 252     return test_hooks_->LowFrequencyAnimationInterval();
 253   }
 254
 255  private:
 256   TestHooks* test_hooks_;
 257   bool block_notify_ready_to_activate_for_testing_;
 258   bool notify_ready_to_activate_was_blocked_;
 259 };
 260
 261 // Implementation of LayerTreeHost callback interface.
 262 class LayerTreeHostClientForTesting : public LayerTreeHostClient,
 263                                       public LayerTreeHostSingleThreadClient {
 264  public:
 265   static scoped_ptr<LayerTreeHostClientForTesting> Create(
 266       TestHooks* test_hooks) {
 267     return make_scoped_ptr(new LayerTreeHostClientForTesting(test_hooks));
 268   }
 269   virtual ~LayerTreeHostClientForTesting() {}
 270
 271   virtual void WillBeginMainFrame(int frame_id) OVERRIDE {
 272     test_hooks_->WillBeginMainFrame();
 273   }
 274
 275   virtual void DidBeginMainFrame() OVERRIDE {
 276     test_hooks_->DidBeginMainFrame();
 277   }
 278
 279   virtual void BeginMainFrame(const BeginFrameArgs& args) OVERRIDE {
 280     test_hooks_->BeginMainFrame(args);
 281   }
 282
 283   virtual void Layout() OVERRIDE { test_hooks_->Layout(); }
 284
 285   virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
 286                                    float scale) OVERRIDE {
 287     test_hooks_->ApplyScrollAndScale(scroll_delta, scale);
 288   }
 289
 290   virtual scoped_ptr<OutputSurface> CreateOutputSurface(bool fallback)
 291       OVERRIDE {
 292     return test_hooks_->CreateOutputSurface(fallback);
 293   }
 294
 295   virtual void DidInitializeOutputSurface() OVERRIDE {
 296     test_hooks_->DidInitializeOutputSurface();
 297   }
 298
 299   virtual void DidFailToInitializeOutputSurface() OVERRIDE {
 300     test_hooks_->DidFailToInitializeOutputSurface();
 301   }
 302
 303   virtual void WillCommit() OVERRIDE { test_hooks_->WillCommit(); }
 304
 305   virtual void DidCommit() OVERRIDE { test_hooks_->DidCommit(); }
 306
 307   virtual void DidCommitAndDrawFrame() OVERRIDE {
 308     test_hooks_->DidCommitAndDrawFrame();
 309   }
 310
 311   virtual void DidCompleteSwapBuffers() OVERRIDE {
 312     test_hooks_->DidCompleteSwapBuffers();
 313   }
 314
 315   virtual void DidPostSwapBuffers() OVERRIDE {}
 316   virtual void DidAbortSwapBuffers() OVERRIDE {}
 317
 318  private:
 319   explicit LayerTreeHostClientForTesting(TestHooks* test_hooks)
 320       : test_hooks_(test_hooks) {}
 321
 322   TestHooks* test_hooks_;
 323 };
 324
 325 // Adapts LayerTreeHost for test. Injects LayerTreeHostImplForTesting.
 326 class LayerTreeHostForTesting : public LayerTreeHost {
 327  public:
 328   static scoped_ptr<LayerTreeHostForTesting> Create(
 329       TestHooks* test_hooks,
 330       LayerTreeHostClientForTesting* client,
 331       const LayerTreeSettings& settings,
 332       scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
 333       scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner) {
 334     scoped_ptr<LayerTreeHostForTesting> layer_tree_host(
 335         new LayerTreeHostForTesting(test_hooks, client, settings));
 336     if (impl_task_runner.get()) {
 337       layer_tree_host->InitializeForTesting(
 338           ThreadProxyForTest::Create(test_hooks,
 339                                      layer_tree_host.get(),
 340                                      main_task_runner,
 341                                      impl_task_runner));
 342     } else {
 343       layer_tree_host->InitializeForTesting(SingleThreadProxy::Create(
 344           layer_tree_host.get(), client, main_task_runner));
 345     }
 346     return layer_tree_host.Pass();
 347   }
 348
 349   virtual scoped_ptr<LayerTreeHostImpl> CreateLayerTreeHostImpl(
 350       LayerTreeHostImplClient* host_impl_client) OVERRIDE {
 351     return LayerTreeHostImplForTesting::Create(
 352                test_hooks_,
 353                settings(),
 354                host_impl_client,
 355                proxy(),
 356                shared_bitmap_manager_.get(),
 357                rendering_stats_instrumentation()).PassAs<LayerTreeHostImpl>();
 358   }
 359
 360   virtual void SetNeedsCommit() OVERRIDE {
 361     if (!test_started_)
 362       return;
 363     LayerTreeHost::SetNeedsCommit();
 364   }
 365
 366   void set_test_started(bool started) { test_started_ = started; }
 367
 368   virtual void DidDeferCommit() OVERRIDE { test_hooks_->DidDeferCommit(); }
 369
 370  private:
 371   LayerTreeHostForTesting(TestHooks* test_hooks,
 372                           LayerTreeHostClient* client,
 373                           const LayerTreeSettings& settings)
 374       : LayerTreeHost(client, NULL, settings),
 375         shared_bitmap_manager_(new TestSharedBitmapManager()),
 376         test_hooks_(test_hooks),
 377         test_started_(false) {}
 378
 379   scoped_ptr<SharedBitmapManager> shared_bitmap_manager_;
 380   TestHooks* test_hooks_;
 381   bool test_started_;
 382 };
 383
 384 LayerTreeTest::LayerTreeTest()
 385     : beginning_(false),
 386       end_when_begin_returns_(false),
 387       timed_out_(false),
 388       scheduled_(false),
 389       started_(false),
 390       ended_(false),
 391       delegating_renderer_(false),
 392       timeout_seconds_(0),
 393       weak_factory_(this) {
 394   main_thread_weak_ptr_ = weak_factory_.GetWeakPtr();
 395
 396   // Tests should timeout quickly unless --cc-layer-tree-test-no-timeout was
 397   // specified (for running in a debugger).
 398   CommandLine* command_line = CommandLine::ForCurrentProcess();
 399   if (!command_line->HasSwitch(switches::kCCLayerTreeTestNoTimeout))
 400     timeout_seconds_ = 5;
 401 }
 402
 403 LayerTreeTest::~LayerTreeTest() {}
 404
 405 void LayerTreeTest::EndTest() {
 406   if (ended_)
 407     return;
 408   ended_ = true;
 409
 410   // For the case where we EndTest during BeginTest(), set a flag to indicate
 411   // that the test should end the second BeginTest regains control.
 412   if (beginning_) {
 413     end_when_begin_returns_ = true;
 414   } else {
 415     main_task_runner_->PostTask(
 416         FROM_HERE,
 417         base::Bind(&LayerTreeTest::RealEndTest, main_thread_weak_ptr_));
 418   }
 419 }
 420
 421 void LayerTreeTest::EndTestAfterDelay(int delay_milliseconds) {
 422   main_task_runner_->PostDelayedTask(
 423       FROM_HERE,
 424       base::Bind(&LayerTreeTest::EndTest, main_thread_weak_ptr_),
 425       base::TimeDelta::FromMilliseconds(delay_milliseconds));
 426 }
 427
 428 void LayerTreeTest::PostAddAnimationToMainThread(
 429     Layer* layer_to_receive_animation) {
 430   main_task_runner_->PostTask(
 431       FROM_HERE,
 432       base::Bind(&LayerTreeTest::DispatchAddAnimation,
 433                  main_thread_weak_ptr_,
 434                  base::Unretained(layer_to_receive_animation),
 435                  0.000001));
 436 }
 437
 438 void LayerTreeTest::PostAddInstantAnimationToMainThread(
 439     Layer* layer_to_receive_animation) {
 440   main_task_runner_->PostTask(
 441       FROM_HERE,
 442       base::Bind(&LayerTreeTest::DispatchAddAnimation,
 443                  main_thread_weak_ptr_,
 444                  base::Unretained(layer_to_receive_animation),
 445                  0.0));
 446 }
 447
 448 void LayerTreeTest::PostAddLongAnimationToMainThread(
 449     Layer* layer_to_receive_animation) {
 450   main_task_runner_->PostTask(
 451       FROM_HERE,
 452       base::Bind(&LayerTreeTest::DispatchAddAnimation,
 453                  main_thread_weak_ptr_,
 454                  base::Unretained(layer_to_receive_animation),
 455                  1.0));
 456 }
 457
 458 void LayerTreeTest::PostSetNeedsCommitToMainThread() {
 459   main_task_runner_->PostTask(FROM_HERE,
 460                               base::Bind(&LayerTreeTest::DispatchSetNeedsCommit,
 461                                          main_thread_weak_ptr_));
 462 }
 463
 464 void LayerTreeTest::PostSetNeedsUpdateLayersToMainThread() {
 465   main_task_runner_->PostTask(
 466       FROM_HERE,
 467       base::Bind(&LayerTreeTest::DispatchSetNeedsUpdateLayers,
 468                  main_thread_weak_ptr_));
 469 }
 470
 471 void LayerTreeTest::PostSetNeedsRedrawToMainThread() {
 472   main_task_runner_->PostTask(FROM_HERE,
 473                               base::Bind(&LayerTreeTest::DispatchSetNeedsRedraw,
 474                                          main_thread_weak_ptr_));
 475 }
 476
 477 void LayerTreeTest::PostSetNeedsRedrawRectToMainThread(
 478     const gfx::Rect& damage_rect) {
 479   main_task_runner_->PostTask(
 480       FROM_HERE,
 481       base::Bind(&LayerTreeTest::DispatchSetNeedsRedrawRect,
 482                  main_thread_weak_ptr_,
 483                  damage_rect));
 484 }
 485
 486 void LayerTreeTest::PostSetVisibleToMainThread(bool visible) {
 487   main_task_runner_->PostTask(
 488       FROM_HERE,
 489       base::Bind(
 490           &LayerTreeTest::DispatchSetVisible, main_thread_weak_ptr_, visible));
 491 }
 492
 493 void LayerTreeTest::PostSetNextCommitForcesRedrawToMainThread() {
 494   main_task_runner_->PostTask(
 495       FROM_HERE,
 496       base::Bind(&LayerTreeTest::DispatchSetNextCommitForcesRedraw,
 497                  main_thread_weak_ptr_));
 498 }
 499
 500 void LayerTreeTest::WillBeginTest() {
 501   layer_tree_host_->SetLayerTreeHostClientReady();
 502 }
 503
 504 void LayerTreeTest::DoBeginTest() {
 505   client_ = LayerTreeHostClientForTesting::Create(this);
 506
 507   DCHECK(!impl_thread_ || impl_thread_->message_loop_proxy().get());
 508   layer_tree_host_ = LayerTreeHostForTesting::Create(
 509       this,
 510       client_.get(),
 511       settings_,
 512       base::MessageLoopProxy::current(),
 513       impl_thread_ ? impl_thread_->message_loop_proxy() : NULL);
 514   ASSERT_TRUE(layer_tree_host_);
 515
 516   started_ = true;
 517   beginning_ = true;
 518   SetupTree();
 519   WillBeginTest();
 520   BeginTest();
 521   beginning_ = false;
 522   if (end_when_begin_returns_)
 523     RealEndTest();
 524
 525   // Allow commits to happen once BeginTest() has had a chance to post tasks
 526   // so that those tasks will happen before the first commit.
 527   if (layer_tree_host_) {
 528     static_cast<LayerTreeHostForTesting*>(layer_tree_host_.get())
 529         ->set_test_started(true);
 530   }
 531 }
 532
 533 void LayerTreeTest::SetupTree() {
 534   if (!layer_tree_host_->root_layer()) {
 535     scoped_refptr<Layer> root_layer = Layer::Create();
 536     root_layer->SetBounds(gfx::Size(1, 1));
 537     root_layer->SetIsDrawable(true);
 538     layer_tree_host_->SetRootLayer(root_layer);
 539   }
 540
 541   gfx::Size root_bounds = layer_tree_host_->root_layer()->bounds();
 542   gfx::Size device_root_bounds = gfx::ToCeiledSize(
 543       gfx::ScaleSize(root_bounds, layer_tree_host_->device_scale_factor()));
 544   layer_tree_host_->SetViewportSize(device_root_bounds);
 545 }
 546
 547 void LayerTreeTest::Timeout() {
 548   timed_out_ = true;
 549   EndTest();
 550 }
 551
 552 void LayerTreeTest::RealEndTest() {
 553   if (layer_tree_host_ && !timed_out_ &&
 554       proxy()->MainFrameWillHappenForTesting()) {
 555     main_task_runner_->PostTask(
 556         FROM_HERE,
 557         base::Bind(&LayerTreeTest::RealEndTest, main_thread_weak_ptr_));
 558     return;
 559   }
 560
 561   base::MessageLoop::current()->Quit();
 562 }
 563
 564 void LayerTreeTest::DispatchAddAnimation(Layer* layer_to_receive_animation,
 565                                          double animation_duration) {
 566   DCHECK(!proxy() || proxy()->IsMainThread());
 567
 568   if (layer_to_receive_animation) {
 569     AddOpacityTransitionToLayer(
 570         layer_to_receive_animation, animation_duration, 0, 0.5, true);
 571   }
 572 }
 573
 574 void LayerTreeTest::DispatchSetNeedsCommit() {
 575   DCHECK(!proxy() || proxy()->IsMainThread());
 576
 577   if (layer_tree_host_)
 578     layer_tree_host_->SetNeedsCommit();
 579 }
 580
 581 void LayerTreeTest::DispatchSetNeedsUpdateLayers() {
 582   DCHECK(!proxy() || proxy()->IsMainThread());
 583
 584   if (layer_tree_host_)
 585     layer_tree_host_->SetNeedsUpdateLayers();
 586 }
 587
 588 void LayerTreeTest::DispatchSetNeedsRedraw() {
 589   DCHECK(!proxy() || proxy()->IsMainThread());
 590
 591   if (layer_tree_host_)
 592     layer_tree_host_->SetNeedsRedraw();
 593 }
 594
 595 void LayerTreeTest::DispatchSetNeedsRedrawRect(const gfx::Rect& damage_rect) {
 596   DCHECK(!proxy() || proxy()->IsMainThread());
 597
 598   if (layer_tree_host_)
 599     layer_tree_host_->SetNeedsRedrawRect(damage_rect);
 600 }
 601
 602 void LayerTreeTest::DispatchSetVisible(bool visible) {
 603   DCHECK(!proxy() || proxy()->IsMainThread());
 604   if (layer_tree_host_)
 605     layer_tree_host_->SetVisible(visible);
 606 }
 607
 608 void LayerTreeTest::DispatchSetNextCommitForcesRedraw() {
 609   DCHECK(!proxy() || proxy()->IsMainThread());
 610
 611   if (layer_tree_host_)
 612     layer_tree_host_->SetNextCommitForcesRedraw();
 613 }
 614
 615 void LayerTreeTest::RunTest(bool threaded,
 616                             bool delegating_renderer,
 617                             bool impl_side_painting) {
 618   if (threaded) {
 619     impl_thread_.reset(new base::Thread("Compositor"));
 620     ASSERT_TRUE(impl_thread_->Start());
 621   }
 622
 623   main_task_runner_ = base::MessageLoopProxy::current();
 624
 625   delegating_renderer_ = delegating_renderer;
 626
 627   // Spend less time waiting for BeginFrame because the output is
 628   // mocked out.
 629   settings_.refresh_rate = 200.0;
 630   if (impl_side_painting) {
 631     DCHECK(threaded)
 632         << "Don't run single thread + impl side painting, it doesn't exist.";
 633     settings_.impl_side_painting = true;
 634   }
 635   InitializeSettings(&settings_);
 636
 637   main_task_runner_->PostTask(
 638       FROM_HERE,
 639       base::Bind(&LayerTreeTest::DoBeginTest, base::Unretained(this)));
 640
 641   if (timeout_seconds_) {
 642     timeout_.Reset(base::Bind(&LayerTreeTest::Timeout, base::Unretained(this)));
 643     main_task_runner_->PostDelayedTask(
 644         FROM_HERE,
 645         timeout_.callback(),
 646         base::TimeDelta::FromSeconds(timeout_seconds_));
 647   }
 648
 649   base::MessageLoop::current()->Run();
 650   DestroyLayerTreeHost();
 651
 652   timeout_.Cancel();
 653
 654   ASSERT_FALSE(layer_tree_host_.get());
 655   client_.reset();
 656   if (timed_out_) {
 657     FAIL() << "Test timed out";
 658     return;
 659   }
 660   AfterTest();
 661 }
 662
 663 void LayerTreeTest::RunTestWithImplSidePainting() {
 664   RunTest(true, false, true);
 665 }
 666
 667 scoped_ptr<OutputSurface> LayerTreeTest::CreateOutputSurface(bool fallback) {
 668   scoped_ptr<FakeOutputSurface> output_surface =
 669       CreateFakeOutputSurface(fallback);
 670   if (output_surface) {
 671     DCHECK_EQ(delegating_renderer_,
 672               output_surface->capabilities().delegated_rendering);
 673   }
 674   output_surface_ = output_surface.get();
 675   return output_surface.PassAs<OutputSurface>();
 676 }
 677
 678 scoped_ptr<FakeOutputSurface> LayerTreeTest::CreateFakeOutputSurface(
 679     bool fallback) {
 680   if (delegating_renderer_)
 681     return FakeOutputSurface::CreateDelegating3d();
 682   else
 683     return FakeOutputSurface::Create3d();
 684 }
 685
 686 TestWebGraphicsContext3D* LayerTreeTest::TestContext() {
 687   return static_cast<TestContextProvider*>(output_surface_->context_provider())
 688       ->TestContext3d();
 689 }
 690
 691 int LayerTreeTest::LastCommittedSourceFrameNumber(LayerTreeHostImpl* impl)
 692     const {
 693   if (impl->pending_tree())
 694     return impl->pending_tree()->source_frame_number();
 695   if (impl->active_tree())
 696     return impl->active_tree()->source_frame_number();
 697   // Source frames start at 0, so this is invalid.
 698   return -1;
 699 }
 700
 701 void LayerTreeTest::DestroyLayerTreeHost() {
 702   if (layer_tree_host_ && layer_tree_host_->root_layer())
 703     layer_tree_host_->root_layer()->SetLayerTreeHost(NULL);
 704   layer_tree_host_.reset();
 705 }
 706
 707 }  // namespace cc