src/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/message_loop/message_loop_proxy.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/test/fake_delegated_renderer_layer.h"
  17 #include "cc/test/test_context_provider.h"
  18 #include "cc/trees/layer_tree_host.h"
  19 #include "cc/trees/layer_tree_host_client.h"
  20 #include "cc/trees/layer_tree_host_single_thread_client.h"
  21 #include "testing/gtest/include/gtest/gtest.h"
  22 #include "third_party/skia/include/core/SkColor.h"
  23 #include "ui/gfx/frame_time.h"
  24
  25 namespace cc {
  26 namespace {
  27
  28 class NoMessageLoopOutputSurface : public OutputSurface {
  29  public:
  30   NoMessageLoopOutputSurface() : OutputSurface(TestContextProvider::Create()) {}
  31   virtual ~NoMessageLoopOutputSurface() {}
  32
  33   // OutputSurface overrides.
  34   virtual 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   virtual ~LayerTreeHostNoMessageLoopTest() {}
  54
  55   // LayerTreeHostClient overrides.
  56   virtual void WillBeginMainFrame(int frame_id) OVERRIDE {}
  57   virtual void BeginMainFrame(const BeginFrameArgs& args) OVERRIDE {}
  58   virtual void DidBeginMainFrame() OVERRIDE {}
  59   virtual void Layout() OVERRIDE {}
  60   virtual void ApplyViewportDeltas(const gfx::Vector2d& scroll_delta,
  61                                    float page_scale,
  62                                    float top_controls_delta) OVERRIDE {}
  63   virtual void RequestNewOutputSurface(bool fallback) OVERRIDE {
  64     layer_tree_host_->SetOutputSurface(
  65         make_scoped_ptr<OutputSurface>(new NoMessageLoopOutputSurface));
  66   }
  67   virtual void DidInitializeOutputSurface() OVERRIDE {
  68     did_initialize_output_surface_ = true;
  69   }
  70   virtual void WillCommit() OVERRIDE {}
  71   virtual void DidCommit() OVERRIDE { did_commit_ = true; }
  72   virtual void DidCommitAndDrawFrame() OVERRIDE {
  73     did_commit_and_draw_frame_ = true;
  74   }
  75   virtual void DidCompleteSwapBuffers() OVERRIDE {}
  76
  77   // LayerTreeHostSingleThreadClient overrides.
  78   virtual void DidPostSwapBuffers() OVERRIDE {}
  79   virtual void DidAbortSwapBuffers() OVERRIDE {}
  80
  81   void RunTest() {
  82     no_loop_thread_.Start();
  83     no_loop_thread_.Join();
  84   }
  85
  86   // base::DelegateSimpleThread::Delegate override.
  87   virtual void Run() OVERRIDE {
  88     ASSERT_FALSE(base::MessageLoopProxy::current().get());
  89     RunTestWithoutMessageLoop();
  90     EXPECT_FALSE(base::MessageLoopProxy::current().get());
  91   }
  92
  93  protected:
  94   virtual void RunTestWithoutMessageLoop() = 0;
  95
  96   void SetupLayerTreeHost() {
  97     LayerTreeSettings settings;
  98     settings.single_thread_proxy_scheduler = false;
  99     layer_tree_host_ =
 100         LayerTreeHost::CreateSingleThreaded(this, this, NULL, settings, NULL);
 101     layer_tree_host_->SetViewportSize(size_);
 102     layer_tree_host_->SetRootLayer(root_layer_);
 103   }
 104
 105   void Composite() {
 106     did_commit_ = false;
 107     did_commit_and_draw_frame_ = false;
 108     layer_tree_host_->Composite(gfx::FrameTime::Now());
 109     EXPECT_TRUE(did_initialize_output_surface_);
 110     EXPECT_TRUE(did_commit_);
 111     EXPECT_TRUE(did_commit_and_draw_frame_);
 112   }
 113
 114   void TearDownLayerTreeHost() {
 115     // Explicit teardown to make failures easier to debug.
 116     layer_tree_host_.reset();
 117     root_layer_ = NULL;
 118   }
 119
 120   // All protected member variables are accessed only on |no_loop_thread_|.
 121   scoped_ptr<LayerTreeHost> layer_tree_host_;
 122   scoped_refptr<Layer> root_layer_;
 123
 124   bool did_initialize_output_surface_;
 125   bool did_commit_;
 126   bool did_commit_and_draw_frame_;
 127   gfx::Size size_;
 128
 129  private:
 130   base::DelegateSimpleThread no_loop_thread_;
 131 };
 132
 133 class LayerTreeHostNoMessageLoopSmokeTest
 134     : public LayerTreeHostNoMessageLoopTest {
 135  protected:
 136   virtual void RunTestWithoutMessageLoop() OVERRIDE {
 137     gfx::Size size(100, 100);
 138
 139     // Set up root layer.
 140     {
 141       scoped_refptr<SolidColorLayer> solid_color_layer =
 142           SolidColorLayer::Create();
 143       solid_color_layer->SetBackgroundColor(SK_ColorRED);
 144       solid_color_layer->SetBounds(size_);
 145       solid_color_layer->SetIsDrawable(true);
 146       root_layer_ = solid_color_layer;
 147     }
 148
 149     SetupLayerTreeHost();
 150     Composite();
 151     TearDownLayerTreeHost();
 152   }
 153 };
 154
 155 TEST_F(LayerTreeHostNoMessageLoopSmokeTest, SmokeTest) {
 156   RunTest();
 157 }
 158
 159 class LayerTreeHostNoMessageLoopDelegatedLayer
 160     : public LayerTreeHostNoMessageLoopTest,
 161       public DelegatedFrameResourceCollectionClient {
 162  protected:
 163   virtual void RunTestWithoutMessageLoop() OVERRIDE {
 164     resource_collection_ = new DelegatedFrameResourceCollection;
 165     frame_provider_ = new DelegatedFrameProvider(
 166         resource_collection_.get(), CreateFrameDataWithResource(998));
 167
 168     root_layer_ = Layer::Create();
 169     delegated_layer_ =
 170         FakeDelegatedRendererLayer::Create(frame_provider_.get());
 171     delegated_layer_->SetBounds(size_);
 172     delegated_layer_->SetIsDrawable(true);
 173     root_layer_->AddChild(delegated_layer_);
 174
 175     SetupLayerTreeHost();
 176
 177     // Draw first frame.
 178     Composite();
 179
 180     // Prepare and draw second frame.
 181     frame_provider_->SetFrameData(CreateFrameDataWithResource(999));
 182     Composite();
 183
 184     // Resource from first frame should be returned.
 185     CheckReturnedResource(1u);
 186
 187     TearDownLayerTreeHost();
 188     delegated_layer_ = NULL;
 189     frame_provider_ = NULL;
 190
 191     // Resource from second frame should be returned.
 192     CheckReturnedResource(1u);
 193     resource_collection_ = NULL;
 194   }
 195
 196   // DelegatedFrameResourceCollectionClient overrides.
 197   virtual void UnusedResourcesAreAvailable() OVERRIDE {}
 198
 199  private:
 200   scoped_ptr<DelegatedFrameData> CreateFrameDataWithResource(
 201       ResourceProvider::ResourceId resource_id) {
 202     scoped_ptr<DelegatedFrameData> frame(new DelegatedFrameData);
 203     gfx::Rect frame_rect(size_);
 204
 205     scoped_ptr<RenderPass> root_pass(RenderPass::Create());
 206     root_pass->SetNew(
 207         RenderPassId(1, 1), frame_rect, frame_rect, gfx::Transform());
 208     frame->render_pass_list.push_back(root_pass.Pass());
 209
 210     TransferableResource resource;
 211     resource.id = resource_id;
 212     resource.mailbox_holder.texture_target = GL_TEXTURE_2D;
 213     resource.mailbox_holder.mailbox = gpu::Mailbox::Generate();
 214     frame->resource_list.push_back(resource);
 215
 216     return frame.Pass();
 217   }
 218
 219   void CheckReturnedResource(size_t expected_num) {
 220     ReturnedResourceArray returned_resources;
 221     resource_collection_->TakeUnusedResourcesForChildCompositor(
 222         &returned_resources);
 223     EXPECT_EQ(expected_num, returned_resources.size());
 224   }
 225
 226   scoped_refptr<DelegatedFrameResourceCollection> resource_collection_;
 227   scoped_refptr<DelegatedFrameProvider> frame_provider_;
 228   scoped_refptr<DelegatedRendererLayer> delegated_layer_;
 229 };
 230
 231 TEST_F(LayerTreeHostNoMessageLoopDelegatedLayer, SingleDelegatedLayer) {
 232   RunTest();
 233 }
 234
 235 }  // namespace
 236 }  // namespace cc