cc/test/layer_tree_test.h

   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 #ifndef CC_TEST_LAYER_TREE_TEST_H_
   6 #define CC_TEST_LAYER_TREE_TEST_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/threading/thread.h"
  10 #include "cc/animation/animation_delegate.h"
  11 #include "cc/trees/layer_tree_host.h"
  12 #include "cc/trees/layer_tree_host_impl.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 namespace cc {
  16 class AnimationPlayer;
  17 class FakeExternalBeginFrameSource;
  18 class FakeLayerTreeHostClient;
  19 class FakeOutputSurface;
  20 class LayerImpl;
  21 class LayerTreeHost;
  22 class LayerTreeHostClient;
  23 class LayerTreeHostImpl;
  24 class TestContextProvider;
  25 class TestGpuMemoryBufferManager;
  26 class TestWebGraphicsContext3D;
  27
  28 // Creates the virtual viewport layer hierarchy under the given root_layer.
  29 // Convenient overload of the method below that creates a scrolling layer as
  30 // the outer viewport scroll layer.
  31 void CreateVirtualViewportLayers(Layer* root_layer,
  32                                  const gfx::Size& inner_bounds,
  33                                  const gfx::Size& outer_bounds,
  34                                  const gfx::Size& scroll_bounds,
  35                                  LayerTreeHost* host,
  36                                  const LayerSettings& layer_settings);
  37
  38 // Creates the virtual viewport layer hierarchy under the given root_layer.
  39 // Uses the given scroll layer as the content "outer viewport scroll layer".
  40 void CreateVirtualViewportLayers(Layer* root_layer,
  41                                  scoped_refptr<Layer> outer_scroll_layer,
  42                                  const gfx::Size& outer_bounds,
  43                                  const gfx::Size& scroll_bounds,
  44                                  LayerTreeHost* host,
  45                                  const LayerSettings& layer_settings);
  46
  47 // Used by test stubs to notify the test when something interesting happens.
  48 class TestHooks : public AnimationDelegate {
  49  public:
  50   TestHooks();
  51   ~TestHooks() override;
  52
  53   void ReadSettings(const LayerTreeSettings& settings);
  54
  55   virtual void CreateResourceAndTileTaskWorkerPool(
  56       LayerTreeHostImpl* host_impl,
  57       scoped_ptr<TileTaskWorkerPool>* tile_task_worker_pool,
  58       scoped_ptr<ResourcePool>* resource_pool);
  59   virtual void WillBeginImplFrameOnThread(LayerTreeHostImpl* host_impl,
  60                                           const BeginFrameArgs& args) {}
  61   virtual void DidFinishImplFrameOnThread(LayerTreeHostImpl* host_impl) {}
  62   virtual void BeginMainFrameAbortedOnThread(LayerTreeHostImpl* host_impl,
  63                                              CommitEarlyOutReason reason) {}
  64   virtual void BeginCommitOnThread(LayerTreeHostImpl* host_impl) {}
  65   virtual void CommitCompleteOnThread(LayerTreeHostImpl* host_impl) {}
  66   virtual void WillActivateTreeOnThread(LayerTreeHostImpl* host_impl) {}
  67   virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) {}
  68   virtual void InitializedRendererOnThread(LayerTreeHostImpl* host_impl,
  69                                            bool success) {}
  70   virtual DrawResult PrepareToDrawOnThread(
  71       LayerTreeHostImpl* host_impl,
  72       LayerTreeHostImpl::FrameData* frame_data,
  73       DrawResult draw_result);
  74   virtual void DrawLayersOnThread(LayerTreeHostImpl* host_impl) {}
  75   virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) {}
  76   virtual void SwapBuffersCompleteOnThread(LayerTreeHostImpl* host_impl) {}
  77   virtual void NotifyReadyToActivateOnThread(LayerTreeHostImpl* host_impl) {}
  78   virtual void NotifyReadyToDrawOnThread(LayerTreeHostImpl* host_impl) {}
  79   virtual void NotifyAllTileTasksCompleted(LayerTreeHostImpl* host_impl) {}
  80   virtual void NotifyTileStateChangedOnThread(LayerTreeHostImpl* host_impl,
  81                                               const Tile* tile) {}
  82   virtual void AnimateLayers(LayerTreeHostImpl* host_impl,
  83                              base::TimeTicks monotonic_time) {}
  84   virtual void UpdateAnimationState(LayerTreeHostImpl* host_impl,
  85                                     bool has_unfinished_animation) {}
  86   virtual void WillAnimateLayers(LayerTreeHostImpl* host_impl,
  87                                  base::TimeTicks monotonic_time) {}
  88   virtual void ApplyViewportDeltas(
  89       const gfx::Vector2dF& inner_delta,
  90       const gfx::Vector2dF& outer_delta,
  91       const gfx::Vector2dF& elastic_overscroll_delta,
  92       float scale,
  93       float top_controls_delta) {}
  94   virtual void BeginMainFrame(const BeginFrameArgs& args) {}
  95   virtual void WillBeginMainFrame() {}
  96   virtual void DidBeginMainFrame() {}
  97   virtual void Layout() {}
  98   virtual void DidInitializeOutputSurface() {}
  99   virtual void DidFailToInitializeOutputSurface() {}
 100   virtual void DidAddAnimation() {}
 101   virtual void WillCommit() {}
 102   virtual void DidCommit() {}
 103   virtual void DidCommitAndDrawFrame() {}
 104   virtual void DidCompleteSwapBuffers() {}
 105   virtual void DidSetVisibleOnImplTree(LayerTreeHostImpl* host_impl,
 106                                        bool visible) {}
 107   virtual void ScheduleComposite() {}
 108   virtual void DidSetNeedsUpdateLayers() {}
 109
 110   // Hooks for SchedulerClient.
 111   virtual void ScheduledActionWillSendBeginMainFrame() {}
 112   virtual void ScheduledActionSendBeginMainFrame() {}
 113   virtual void ScheduledActionDrawAndSwapIfPossible() {}
 114   virtual void ScheduledActionAnimate() {}
 115   virtual void ScheduledActionCommit() {}
 116   virtual void ScheduledActionBeginOutputSurfaceCreation() {}
 117   virtual void ScheduledActionPrepareTiles() {}
 118   virtual void ScheduledActionInvalidateOutputSurface() {}
 119   virtual void SendBeginFramesToChildren(const BeginFrameArgs& args) {}
 120   virtual void SendBeginMainFrameNotExpectedSoon() {}
 121
 122   // Implementation of AnimationDelegate:
 123   void NotifyAnimationStarted(base::TimeTicks monotonic_time,
 124                               Animation::TargetProperty target_property,
 125                               int group) override {}
 126   void NotifyAnimationFinished(base::TimeTicks monotonic_time,
 127                                Animation::TargetProperty target_property,
 128                                int group) override {}
 129
 130   virtual void RequestNewOutputSurface() = 0;
 131 };
 132
 133 class BeginTask;
 134 class LayerTreeHostClientForTesting;
 135 class TimeoutTask;
 136
 137 // The LayerTreeTests runs with the main loop running. It instantiates a single
 138 // LayerTreeHostForTesting and associated LayerTreeHostImplForTesting and
 139 // LayerTreeHostClientForTesting.
 140 //
 141 // BeginTest() is called once the main message loop is running and the layer
 142 // tree host is initialized.
 143 //
 144 // Key stages of the drawing loop, e.g. drawing or commiting, redirect to
 145 // LayerTreeTest methods of similar names. To track the commit process, override
 146 // these functions.
 147 //
 148 // The test continues until someone calls EndTest. EndTest can be called on any
 149 // thread, but be aware that ending the test is an asynchronous process.
 150 class LayerTreeTest : public testing::Test, public TestHooks {
 151  public:
 152   ~LayerTreeTest() override;
 153
 154   virtual void EndTest();
 155   void EndTestAfterDelayMs(int delay_milliseconds);
 156
 157   void PostAddAnimationToMainThread(Layer* layer_to_receive_animation);
 158   void PostAddInstantAnimationToMainThread(Layer* layer_to_receive_animation);
 159   void PostAddLongAnimationToMainThread(Layer* layer_to_receive_animation);
 160   void PostAddAnimationToMainThreadPlayer(
 161       AnimationPlayer* player_to_receive_animation);
 162   void PostAddInstantAnimationToMainThreadPlayer(
 163       AnimationPlayer* player_to_receive_animation);
 164   void PostAddLongAnimationToMainThreadPlayer(
 165       AnimationPlayer* player_to_receive_animation);
 166   void PostSetDeferCommitsToMainThread(bool defer_commits);
 167   void PostSetNeedsCommitToMainThread();
 168   void PostSetNeedsUpdateLayersToMainThread();
 169   void PostSetNeedsRedrawToMainThread();
 170   void PostSetNeedsRedrawRectToMainThread(const gfx::Rect& damage_rect);
 171   void PostSetVisibleToMainThread(bool visible);
 172   void PostSetNextCommitForcesRedrawToMainThread();
 173   void PostCompositeImmediatelyToMainThread();
 174
 175   void DoBeginTest();
 176   void Timeout();
 177
 178   bool verify_property_trees() const { return verify_property_trees_; }
 179   void set_verify_property_trees(bool verify_property_trees) {
 180     verify_property_trees_ = verify_property_trees;
 181   }
 182
 183   const LayerSettings& layer_settings() { return layer_settings_; }
 184
 185  protected:
 186   LayerTreeTest();
 187
 188   virtual void InitializeSettings(LayerTreeSettings* settings) {}
 189   virtual void InitializeLayerSettings(LayerSettings* layer_settings) {}
 190
 191   void RealEndTest();
 192
 193   virtual void DispatchAddAnimation(Layer* layer_to_receive_animation,
 194                                     double animation_duration);
 195   virtual void DispatchAddAnimationToPlayer(
 196       AnimationPlayer* player_to_receive_animation,
 197       double animation_duration);
 198   void DispatchSetDeferCommits(bool defer_commits);
 199   void DispatchSetNeedsCommit();
 200   void DispatchSetNeedsUpdateLayers();
 201   void DispatchSetNeedsRedraw();
 202   void DispatchSetNeedsRedrawRect(const gfx::Rect& damage_rect);
 203   void DispatchSetVisible(bool visible);
 204   void DispatchSetNextCommitForcesRedraw();
 205   void DispatchDidAddAnimation();
 206   void DispatchCompositeImmediately();
 207
 208   virtual void AfterTest() = 0;
 209   virtual void WillBeginTest();
 210   virtual void BeginTest() = 0;
 211   virtual void SetupTree();
 212
 213   virtual void RunTest(bool threaded, bool delegating_renderer);
 214
 215   bool HasImplThread() { return !!impl_thread_; }
 216   base::SingleThreadTaskRunner* ImplThreadTaskRunner() {
 217     DCHECK(proxy());
 218     return proxy()->ImplThreadTaskRunner() ? proxy()->ImplThreadTaskRunner()
 219                                            : main_task_runner_.get();
 220   }
 221   base::SingleThreadTaskRunner* MainThreadTaskRunner() {
 222     return main_task_runner_.get();
 223   }
 224   Proxy* proxy() const {
 225     return layer_tree_host_ ? layer_tree_host_->proxy() : NULL;
 226   }
 227   TaskGraphRunner* task_graph_runner() const {
 228     return task_graph_runner_.get();
 229   }
 230
 231   bool TestEnded() const { return ended_; }
 232
 233   LayerTreeHost* layer_tree_host();
 234   bool delegating_renderer() const { return delegating_renderer_; }
 235   FakeOutputSurface* output_surface() { return output_surface_; }
 236   int LastCommittedSourceFrameNumber(LayerTreeHostImpl* impl) const;
 237
 238   void DestroyLayerTreeHost();
 239
 240   // By default, output surface recreation is synchronous.
 241   void RequestNewOutputSurface() override;
 242   // Override this for pixel tests, where you need a real output surface.
 243   virtual scoped_ptr<OutputSurface> CreateOutputSurface();
 244   // Override this for unit tests, which should not produce pixel output.
 245   virtual scoped_ptr<FakeOutputSurface> CreateFakeOutputSurface();
 246
 247   TestWebGraphicsContext3D* TestContext();
 248
 249   TestGpuMemoryBufferManager* GetTestGpuMemoryBufferManager() {
 250     return gpu_memory_buffer_manager_.get();
 251   }
 252
 253  private:
 254   LayerTreeSettings settings_;
 255   LayerSettings layer_settings_;
 256
 257   scoped_ptr<LayerTreeHostClientForTesting> client_;
 258   scoped_ptr<LayerTreeHost> layer_tree_host_;
 259   FakeOutputSurface* output_surface_;
 260   FakeExternalBeginFrameSource* external_begin_frame_source_;
 261
 262   bool beginning_;
 263   bool end_when_begin_returns_;
 264   bool timed_out_;
 265   bool scheduled_;
 266   bool started_;
 267   bool ended_;
 268   bool delegating_renderer_;
 269   bool verify_property_trees_;
 270
 271   int timeout_seconds_;
 272
 273   scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
 274   scoped_ptr<base::Thread> impl_thread_;
 275   scoped_ptr<SharedBitmapManager> shared_bitmap_manager_;
 276   scoped_ptr<TestGpuMemoryBufferManager> gpu_memory_buffer_manager_;
 277   scoped_ptr<TaskGraphRunner> task_graph_runner_;
 278   base::CancelableClosure timeout_;
 279   scoped_refptr<TestContextProvider> compositor_contexts_;
 280   base::WeakPtr<LayerTreeTest> main_thread_weak_ptr_;
 281   base::WeakPtrFactory<LayerTreeTest> weak_factory_;
 282 };
 283
 284 }  // namespace cc
 285
 286 #define SINGLE_THREAD_DIRECT_RENDERER_TEST_F(TEST_FIXTURE_NAME) \
 287   TEST_F(TEST_FIXTURE_NAME, RunSingleThread_DirectRenderer) {   \
 288     RunTest(false, false);                                      \
 289   }                                                             \
 290   class SingleThreadDirectImplNeedsSemicolon##TEST_FIXTURE_NAME {}
 291
 292 #define SINGLE_THREAD_DELEGATING_RENDERER_TEST_F(TEST_FIXTURE_NAME) \
 293   TEST_F(TEST_FIXTURE_NAME, RunSingleThread_DelegatingRenderer) {   \
 294     RunTest(false, true);                                           \
 295   }                                                                 \
 296   class SingleThreadDelegatingImplNeedsSemicolon##TEST_FIXTURE_NAME {}
 297
 298 #define SINGLE_THREAD_TEST_F(TEST_FIXTURE_NAME)            \
 299   SINGLE_THREAD_DIRECT_RENDERER_TEST_F(TEST_FIXTURE_NAME); \
 300   SINGLE_THREAD_DELEGATING_RENDERER_TEST_F(TEST_FIXTURE_NAME)
 301
 302 #define MULTI_THREAD_DIRECT_RENDERER_TEST_F(TEST_FIXTURE_NAME) \
 303   TEST_F(TEST_FIXTURE_NAME, RunMultiThread_DirectRenderer) {   \
 304     RunTest(true, false);                                      \
 305   }                                                            \
 306   class MultiThreadDirectImplNeedsSemicolon##TEST_FIXTURE_NAME {}
 307
 308 #define MULTI_THREAD_DELEGATING_RENDERER_TEST_F(TEST_FIXTURE_NAME) \
 309   TEST_F(TEST_FIXTURE_NAME, RunMultiThread_DelegatingRenderer) {   \
 310     RunTest(true, true);                                           \
 311   }                                                                \
 312   class MultiThreadDelegatingImplNeedsSemicolon##TEST_FIXTURE_NAME {}
 313
 314 #define MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME)            \
 315   MULTI_THREAD_DIRECT_RENDERER_TEST_F(TEST_FIXTURE_NAME); \
 316   MULTI_THREAD_DELEGATING_RENDERER_TEST_F(TEST_FIXTURE_NAME)
 317
 318 #define SINGLE_AND_MULTI_THREAD_DIRECT_RENDERER_TEST_F(TEST_FIXTURE_NAME) \
 319   SINGLE_THREAD_DIRECT_RENDERER_TEST_F(TEST_FIXTURE_NAME);                \
 320   MULTI_THREAD_DIRECT_RENDERER_TEST_F(TEST_FIXTURE_NAME)
 321
 322 #define SINGLE_AND_MULTI_THREAD_DELEGATING_RENDERER_TEST_F(TEST_FIXTURE_NAME) \
 323   SINGLE_THREAD_DELEGATING_RENDERER_TEST_F(TEST_FIXTURE_NAME);                \
 324   MULTI_THREAD_DELEGATING_RENDERER_TEST_F(TEST_FIXTURE_NAME)
 325
 326 #define SINGLE_AND_MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME)            \
 327   SINGLE_AND_MULTI_THREAD_DIRECT_RENDERER_TEST_F(TEST_FIXTURE_NAME); \
 328   SINGLE_AND_MULTI_THREAD_DELEGATING_RENDERER_TEST_F(TEST_FIXTURE_NAME)
 329
 330 // Some tests want to control when notify ready for activation occurs,
 331 // but this is not supported in the single-threaded case.
 332 #define MULTI_THREAD_BLOCKNOTIFY_TEST_F(TEST_FIXTURE_NAME) \
 333   MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME)
 334
 335 #endif  // CC_TEST_LAYER_TREE_TEST_H_