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