cc/trees/layer_tree_host_unittest_no_message_loop.cc

   1 // Copyright 2014 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/thread_task_runner_handle.h"
   6 #include "base/threading/simple_thread.h"
   7 #include "cc/layers/delegated_frame_provider.h"
   8 #include "cc/layers/delegated_frame_resource_collection.h"
   9 #include "cc/layers/delegated_renderer_layer.h"
  10 #include "cc/layers/layer.h"
  11 #include "cc/layers/solid_color_layer.h"
  12 #include "cc/output/delegated_frame_data.h"
  13 #include "cc/output/output_surface.h"
  14 #include "cc/output/output_surface_client.h"
  15 #include "cc/resources/resource_provider.h"
  16 #include "cc/scheduler/begin_frame_source.h"
  17 #include "cc/test/fake_delegated_renderer_layer.h"
  18 #include "cc/test/test_context_provider.h"
  19 #include "cc/trees/layer_tree_host.h"
  20 #include "cc/trees/layer_tree_host_client.h"
  21 #include "cc/trees/layer_tree_host_single_thread_client.h"
  22 #include "testing/gtest/include/gtest/gtest.h"
  23 #include "third_party/skia/include/core/SkColor.h"
  24
  25 namespace cc {
  26 namespace {
  27
  28 class NoMessageLoopOutputSurface : public OutputSurface {
  29  public:
  30   NoMessageLoopOutputSurface() : OutputSurface(TestContextProvider::Create()) {}
  31   ~NoMessageLoopOutputSurface() override {}
  32
  33   // OutputSurface overrides.
  34   void SwapBuffers(CompositorFrame* frame) override {
  35     DCHECK(client_);
  36     client_->DidSwapBuffers();
  37     client_->DidSwapBuffersComplete();
  38   }
  39 };
  40
  41 class LayerTreeHostNoMessageLoopTest
  42     : public testing::Test,
  43       public base::DelegateSimpleThread::Delegate,
  44       public LayerTreeHostClient,
  45       public LayerTreeHostSingleThreadClient {
  46  public:
  47   LayerTreeHostNoMessageLoopTest()
  48       : did_initialize_output_surface_(false),
  49         did_commit_(false),
  50         did_commit_and_draw_frame_(false),
  51         size_(100, 100),
  52         no_loop_thread_(this, "LayerTreeHostNoMessageLoopTest") {}
  53   ~LayerTreeHostNoMessageLoopTest() override {}
  54
  55   // LayerTreeHostClient overrides.
  56   void WillBeginMainFrame() override {}
  57   void BeginMainFrame(const BeginFrameArgs& args) override {}
  58   void BeginMainFrameNotExpectedSoon() override {}
  59   void DidBeginMainFrame() override {}
  60   void Layout() override {}
  61   void ApplyViewportDeltas(const gfx::Vector2dF& inner_delta,
  62                            const gfx::Vector2dF& outer_delta,
  63                            const gfx::Vector2dF& elastic_overscroll_delta,
  64                            float page_scale,
  65                            float top_controls_delta) override {}
  66   void RequestNewOutputSurface() override {
  67     layer_tree_host_->SetOutputSurface(
  68         make_scoped_ptr<OutputSurface>(new NoMessageLoopOutputSurface));
  69   }
  70   void DidInitializeOutputSurface() override {
  71     did_initialize_output_surface_ = true;
  72   }
  73   void DidFailToInitializeOutputSurface() override {}
  74   void WillCommit() override {}
  75   void DidCommit() override { did_commit_ = true; }
  76   void DidCommitAndDrawFrame() override { did_commit_and_draw_frame_ = true; }
  77   void DidCompleteSwapBuffers() override {}
  78   void DidCompletePageScaleAnimation() override {}
  79
  80   // LayerTreeHostSingleThreadClient overrides.
  81   void DidPostSwapBuffers() override {}
  82   void DidAbortSwapBuffers() override {}
  83
  84   void RunTest() {
  85     no_loop_thread_.Start();
  86     no_loop_thread_.Join();
  87   }
  88
  89   // base::DelegateSimpleThread::Delegate override.
  90   void Run() override {
  91     ASSERT_FALSE(base::ThreadTaskRunnerHandle::IsSet());
  92     RunTestWithoutMessageLoop();
  93     EXPECT_FALSE(base::ThreadTaskRunnerHandle::IsSet());
  94   }
  95
  96  protected:
  97   virtual void RunTestWithoutMessageLoop() = 0;
  98
  99   void SetupLayerTreeHost() {
 100     LayerTreeSettings settings;
 101     settings.single_thread_proxy_scheduler = false;
 102     settings.verify_property_trees = false;
 103     settings.raster_enabled = false;
 104
 105     LayerTreeHost::InitParams params;
 106     params.client = this;
 107     params.settings = &settings;
 108     layer_tree_host_ = LayerTreeHost::CreateSingleThreaded(this, &params);
 109     layer_tree_host_->SetViewportSize(size_);
 110     layer_tree_host_->SetRootLayer(root_layer_);
 111   }
 112
 113   void Composite() {
 114     did_commit_ = false;
 115     did_commit_and_draw_frame_ = false;
 116     layer_tree_host_->Composite(base::TimeTicks::Now());
 117     EXPECT_TRUE(did_initialize_output_surface_);
 118     EXPECT_TRUE(did_commit_);
 119     EXPECT_TRUE(did_commit_and_draw_frame_);
 120   }
 121
 122   void TearDownLayerTreeHost() {
 123     // Explicit teardown to make failures easier to debug.
 124     layer_tree_host_ = nullptr;
 125     root_layer_ = nullptr;
 126   }
 127
 128   // All protected member variables are accessed only on |no_loop_thread_|.
 129   scoped_ptr<LayerTreeHost> layer_tree_host_;
 130   scoped_refptr<Layer> root_layer_;
 131
 132   bool did_initialize_output_surface_;
 133   bool did_commit_;
 134   bool did_commit_and_draw_frame_;
 135   gfx::Size size_;
 136
 137  private:
 138   base::DelegateSimpleThread no_loop_thread_;
 139 };
 140
 141 class LayerTreeHostNoMessageLoopSmokeTest
 142     : public LayerTreeHostNoMessageLoopTest {
 143  protected:
 144   void RunTestWithoutMessageLoop() override {
 145     gfx::Size size(100, 100);
 146
 147     // Set up root layer.
 148     {
 149       scoped_refptr<SolidColorLayer> solid_color_layer =
 150           SolidColorLayer::Create(LayerSettings());
 151       solid_color_layer->SetBackgroundColor(SK_ColorRED);
 152       solid_color_layer->SetBounds(size_);
 153       solid_color_layer->SetIsDrawable(true);
 154       root_layer_ = solid_color_layer;
 155     }
 156
 157     SetupLayerTreeHost();
 158     Composite();
 159     TearDownLayerTreeHost();
 160   }
 161 };
 162
 163 TEST_F(LayerTreeHostNoMessageLoopSmokeTest, SmokeTest) {
 164   RunTest();
 165 }
 166
 167 class LayerTreeHostNoMessageLoopDelegatedLayer
 168     : public LayerTreeHostNoMessageLoopTest,
 169       public DelegatedFrameResourceCollectionClient {
 170  protected:
 171   void RunTestWithoutMessageLoop() override {
 172     resource_collection_ = new DelegatedFrameResourceCollection;
 173     frame_provider_ = new DelegatedFrameProvider(
 174         resource_collection_.get(), CreateFrameDataWithResource(998));
 175
 176     LayerSettings layer_settings;
 177     root_layer_ = Layer::Create(layer_settings);
 178     delegated_layer_ = FakeDelegatedRendererLayer::Create(
 179         layer_settings, frame_provider_.get());
 180     delegated_layer_->SetBounds(size_);
 181     delegated_layer_->SetIsDrawable(true);
 182     root_layer_->AddChild(delegated_layer_);
 183
 184     SetupLayerTreeHost();
 185
 186     // Draw first frame.
 187     Composite();
 188
 189     // Prepare and draw second frame.
 190     frame_provider_->SetFrameData(CreateFrameDataWithResource(999));
 191     Composite();
 192
 193     // Resource from first frame should be returned.
 194     CheckReturnedResource(1u);
 195
 196     TearDownLayerTreeHost();
 197     delegated_layer_ = NULL;
 198     frame_provider_ = NULL;
 199
 200     // Resource from second frame should be returned.
 201     CheckReturnedResource(1u);
 202     resource_collection_ = NULL;
 203   }
 204
 205   // DelegatedFrameResourceCollectionClient overrides.
 206   void UnusedResourcesAreAvailable() override {}
 207
 208  private:
 209   scoped_ptr<DelegatedFrameData> CreateFrameDataWithResource(
 210       ResourceId resource_id) {
 211     scoped_ptr<DelegatedFrameData> frame(new DelegatedFrameData);
 212     gfx::Rect frame_rect(size_);
 213
 214     scoped_ptr<RenderPass> root_pass(RenderPass::Create());
 215     root_pass->SetNew(
 216         RenderPassId(1, 1), frame_rect, frame_rect, gfx::Transform());
 217     frame->render_pass_list.push_back(root_pass.Pass());
 218
 219     TransferableResource resource;
 220     resource.id = resource_id;
 221     resource.mailbox_holder.texture_target = GL_TEXTURE_2D;
 222     resource.mailbox_holder.mailbox = gpu::Mailbox::Generate();
 223     frame->resource_list.push_back(resource);
 224
 225     return frame.Pass();
 226   }
 227
 228   void CheckReturnedResource(size_t expected_num) {
 229     ReturnedResourceArray returned_resources;
 230     resource_collection_->TakeUnusedResourcesForChildCompositor(
 231         &returned_resources);
 232     EXPECT_EQ(expected_num, returned_resources.size());
 233   }
 234
 235   scoped_refptr<DelegatedFrameResourceCollection> resource_collection_;
 236   scoped_refptr<DelegatedFrameProvider> frame_provider_;
 237   scoped_refptr<DelegatedRendererLayer> delegated_layer_;
 238 };
 239
 240 TEST_F(LayerTreeHostNoMessageLoopDelegatedLayer, SingleDelegatedLayer) {
 241   RunTest();
 242 }
 243
 244 }  // namespace
 245 }  // namespace cc