cc/layers/picture_layer_unittest.cc

   1 // Copyright 2013 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/layers/picture_layer.h"
   6
   7 #include "base/thread_task_runner_handle.h"
   8 #include "cc/layers/content_layer_client.h"
   9 #include "cc/layers/picture_layer_impl.h"
  10 #include "cc/test/fake_layer_tree_host.h"
  11 #include "cc/test/fake_picture_layer.h"
  12 #include "cc/test/fake_picture_layer_impl.h"
  13 #include "cc/test/fake_proxy.h"
  14 #include "cc/test/test_shared_bitmap_manager.h"
  15 #include "cc/test/test_task_graph_runner.h"
  16 #include "cc/trees/single_thread_proxy.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18
  19 namespace cc {
  20 namespace {
  21
  22 class MockContentLayerClient : public ContentLayerClient {
  23  public:
  24   void PaintContents(SkCanvas* canvas,
  25                      const gfx::Rect& clip,
  26                      PaintingControlSetting picture_control) override {}
  27   scoped_refptr<DisplayItemList> PaintContentsToDisplayList(
  28       const gfx::Rect& clip,
  29       PaintingControlSetting picture_control) override {
  30     NOTIMPLEMENTED();
  31     return nullptr;
  32   }
  33   bool FillsBoundsCompletely() const override { return false; };
  34 };
  35
  36 TEST(PictureLayerTest, NoTilesIfEmptyBounds) {
  37   MockContentLayerClient client;
  38   scoped_refptr<PictureLayer> layer =
  39       PictureLayer::Create(LayerSettings(), &client);
  40   layer->SetBounds(gfx::Size(10, 10));
  41
  42   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
  43   TestTaskGraphRunner task_graph_runner;
  44   scoped_ptr<FakeLayerTreeHost> host =
  45       FakeLayerTreeHost::Create(&host_client, &task_graph_runner);
  46   host->SetRootLayer(layer);
  47   layer->SetIsDrawable(true);
  48   layer->SavePaintProperties();
  49   layer->Update();
  50
  51   EXPECT_EQ(0, host->source_frame_number());
  52   host->CommitComplete();
  53   EXPECT_EQ(1, host->source_frame_number());
  54
  55   layer->SetBounds(gfx::Size(0, 0));
  56   layer->SavePaintProperties();
  57   // Intentionally skipping Update since it would normally be skipped on
  58   // a layer with empty bounds.
  59
  60   FakeProxy proxy;
  61   {
  62     DebugScopedSetImplThread impl_thread(&proxy);
  63
  64     TestSharedBitmapManager shared_bitmap_manager;
  65     FakeLayerTreeHostImpl host_impl(LayerTreeSettings(), &proxy,
  66                                     &shared_bitmap_manager, &task_graph_runner);
  67     host_impl.CreatePendingTree();
  68     scoped_ptr<FakePictureLayerImpl> layer_impl =
  69         FakePictureLayerImpl::Create(host_impl.pending_tree(), 1);
  70
  71     layer->PushPropertiesTo(layer_impl.get());
  72     EXPECT_FALSE(layer_impl->CanHaveTilings());
  73     EXPECT_TRUE(layer_impl->bounds() == gfx::Size(0, 0));
  74     EXPECT_EQ(gfx::Size(), layer_impl->raster_source()->GetSize());
  75     EXPECT_FALSE(layer_impl->raster_source()->HasRecordings());
  76   }
  77 }
  78
  79 TEST(PictureLayerTest, SuitableForGpuRasterization) {
  80   MockContentLayerClient client;
  81   scoped_refptr<PictureLayer> layer =
  82       PictureLayer::Create(LayerSettings(), &client);
  83   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
  84   TestTaskGraphRunner task_graph_runner;
  85   scoped_ptr<FakeLayerTreeHost> host =
  86       FakeLayerTreeHost::Create(&host_client, &task_graph_runner);
  87   host->SetRootLayer(layer);
  88   RecordingSource* recording_source = layer->GetRecordingSourceForTesting();
  89
  90   // Layer is suitable for gpu rasterization by default.
  91   EXPECT_TRUE(recording_source->IsSuitableForGpuRasterization());
  92   EXPECT_TRUE(layer->IsSuitableForGpuRasterization());
  93
  94   // Veto gpu rasterization.
  95   recording_source->SetUnsuitableForGpuRasterizationForTesting();
  96   EXPECT_FALSE(recording_source->IsSuitableForGpuRasterization());
  97   EXPECT_FALSE(layer->IsSuitableForGpuRasterization());
  98 }
  99
 100 TEST(PictureLayerTest, UseTileGridSize) {
 101   LayerTreeSettings settings;
 102   settings.default_tile_grid_size = gfx::Size(123, 123);
 103
 104   MockContentLayerClient client;
 105   scoped_refptr<PictureLayer> layer =
 106       PictureLayer::Create(LayerSettings(), &client);
 107   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
 108   TestTaskGraphRunner task_graph_runner;
 109   scoped_ptr<FakeLayerTreeHost> host =
 110       FakeLayerTreeHost::Create(&host_client, &task_graph_runner, settings);
 111   host->SetRootLayer(layer);
 112
 113   // Tile-grid is set according to its setting.
 114   gfx::Size size =
 115       layer->GetRecordingSourceForTesting()->GetTileGridSizeForTesting();
 116   EXPECT_EQ(size.width(), 123);
 117   EXPECT_EQ(size.height(), 123);
 118 }
 119
 120 // PicturePile uses the source frame number as a unit for measuring invalidation
 121 // frequency. When a pile moves between compositors, the frame number increases
 122 // non-monotonically. This executes that code path under this scenario allowing
 123 // for the code to verify correctness with DCHECKs.
 124 TEST(PictureLayerTest, NonMonotonicSourceFrameNumber) {
 125   LayerTreeSettings settings;
 126   settings.single_thread_proxy_scheduler = false;
 127   settings.use_zero_copy = true;
 128   settings.use_one_copy = false;
 129
 130   FakeLayerTreeHostClient host_client1(FakeLayerTreeHostClient::DIRECT_3D);
 131   FakeLayerTreeHostClient host_client2(FakeLayerTreeHostClient::DIRECT_3D);
 132   TestSharedBitmapManager shared_bitmap_manager;
 133   TestTaskGraphRunner task_graph_runner;
 134
 135   MockContentLayerClient client;
 136   scoped_refptr<FakePictureLayer> layer =
 137       FakePictureLayer::Create(LayerSettings(), &client);
 138
 139   LayerTreeHost::InitParams params;
 140   params.client = &host_client1;
 141   params.shared_bitmap_manager = &shared_bitmap_manager;
 142   params.settings = &settings;
 143   params.task_graph_runner = &task_graph_runner;
 144   params.main_task_runner = base::ThreadTaskRunnerHandle::Get();
 145   scoped_ptr<LayerTreeHost> host1 =
 146       LayerTreeHost::CreateSingleThreaded(&host_client1, &params);
 147   host_client1.SetLayerTreeHost(host1.get());
 148
 149   params.client = &host_client2;
 150   scoped_ptr<LayerTreeHost> host2 =
 151       LayerTreeHost::CreateSingleThreaded(&host_client2, &params);
 152   host_client2.SetLayerTreeHost(host2.get());
 153
 154   // The PictureLayer is put in one LayerTreeHost.
 155   host1->SetRootLayer(layer);
 156   // Do a main frame, record the picture layers.
 157   EXPECT_EQ(0, layer->update_count());
 158   layer->SetNeedsDisplay();
 159   host1->Composite(base::TimeTicks::Now());
 160   EXPECT_EQ(1, layer->update_count());
 161   EXPECT_EQ(1, host1->source_frame_number());
 162
 163   // The source frame number in |host1| is now higher than host2.
 164   layer->SetNeedsDisplay();
 165   host1->Composite(base::TimeTicks::Now());
 166   EXPECT_EQ(2, layer->update_count());
 167   EXPECT_EQ(2, host1->source_frame_number());
 168
 169   // Then moved to another LayerTreeHost.
 170   host1->SetRootLayer(nullptr);
 171   host2->SetRootLayer(layer);
 172
 173   // Do a main frame, record the picture layers. The frame number has changed
 174   // non-monotonically.
 175   layer->SetNeedsDisplay();
 176   host2->Composite(base::TimeTicks::Now());
 177   EXPECT_EQ(3, layer->update_count());
 178   EXPECT_EQ(1, host2->source_frame_number());
 179 }
 180
 181 }  // namespace
 182 }  // namespace cc