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/resources/resource_update_queue.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/impl_side_painting_settings.h"
  16 #include "cc/trees/occlusion_tracker.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   void PaintContentsToDisplayList(
  29       DisplayItemList* display_list,
  30       const gfx::Rect& clip,
  31       PaintingControlSetting picture_control) override {
  32     NOTIMPLEMENTED();
  33   }
  34   bool FillsBoundsCompletely() const override { return false; };
  35 };
  36
  37 TEST(PictureLayerTest, NoTilesIfEmptyBounds) {
  38   MockContentLayerClient client;
  39   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
  40   layer->SetBounds(gfx::Size(10, 10));
  41
  42   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
  43   scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(&host_client);
  44   host->SetRootLayer(layer);
  45   layer->SetIsDrawable(true);
  46   layer->SavePaintProperties();
  47
  48   OcclusionTracker<Layer> occlusion(gfx::Rect(0, 0, 1000, 1000));
  49   scoped_ptr<ResourceUpdateQueue> queue(new ResourceUpdateQueue);
  50   layer->Update(queue.get(), &occlusion);
  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(ImplSidePaintingSettings(), &proxy,
  67                                     &shared_bitmap_manager, nullptr);
  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 = PictureLayer::Create(&client);
  83   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
  84   scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(&host_client);
  85   host->SetRootLayer(layer);
  86   RecordingSource* recording_source = layer->GetRecordingSourceForTesting();
  87
  88   // Layer is suitable for gpu rasterization by default.
  89   EXPECT_TRUE(recording_source->IsSuitableForGpuRasterization());
  90   EXPECT_TRUE(layer->IsSuitableForGpuRasterization());
  91
  92   // Veto gpu rasterization.
  93   recording_source->SetUnsuitableForGpuRasterizationForTesting();
  94   EXPECT_FALSE(recording_source->IsSuitableForGpuRasterization());
  95   EXPECT_FALSE(layer->IsSuitableForGpuRasterization());
  96 }
  97
  98 TEST(PictureLayerTest, UseTileGridSize) {
  99   LayerTreeSettings settings;
 100   settings.default_tile_grid_size = gfx::Size(123, 123);
 101
 102   MockContentLayerClient client;
 103   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
 104   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
 105   scoped_ptr<FakeLayerTreeHost> host =
 106       FakeLayerTreeHost::Create(&host_client, settings);
 107   host->SetRootLayer(layer);
 108
 109   // Tile-grid is set according to its setting.
 110   gfx::Size size =
 111       layer->GetRecordingSourceForTesting()->GetTileGridSizeForTesting();
 112   EXPECT_EQ(size.width(), 123);
 113   EXPECT_EQ(size.height(), 123);
 114 }
 115
 116 // PicturePile uses the source frame number as a unit for measuring invalidation
 117 // frequency. When a pile moves between compositors, the frame number increases
 118 // non-monotonically. This executes that code path under this scenario allowing
 119 // for the code to verify correctness with DCHECKs.
 120 TEST(PictureLayerTest, NonMonotonicSourceFrameNumber) {
 121   LayerTreeSettings settings;
 122   settings.single_thread_proxy_scheduler = false;
 123
 124   FakeLayerTreeHostClient host_client1(FakeLayerTreeHostClient::DIRECT_3D);
 125   FakeLayerTreeHostClient host_client2(FakeLayerTreeHostClient::DIRECT_3D);
 126   scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
 127       new TestSharedBitmapManager());
 128
 129   MockContentLayerClient client;
 130   scoped_refptr<FakePictureLayer> layer = FakePictureLayer::Create(&client);
 131
 132   scoped_ptr<LayerTreeHost> host1 = LayerTreeHost::CreateSingleThreaded(
 133       &host_client1, &host_client1, shared_bitmap_manager.get(), nullptr,
 134       nullptr, settings, base::ThreadTaskRunnerHandle::Get(), nullptr);
 135   host_client1.SetLayerTreeHost(host1.get());
 136
 137   scoped_ptr<LayerTreeHost> host2 = LayerTreeHost::CreateSingleThreaded(
 138       &host_client2, &host_client2, shared_bitmap_manager.get(), nullptr,
 139       nullptr, settings, base::ThreadTaskRunnerHandle::Get(), nullptr);
 140   host_client2.SetLayerTreeHost(host2.get());
 141
 142   // The PictureLayer is put in one LayerTreeHost.
 143   host1->SetRootLayer(layer);
 144   // Do a main frame, record the picture layers.
 145   EXPECT_EQ(0u, layer->update_count());
 146   layer->SetNeedsDisplay();
 147   host1->Composite(base::TimeTicks::Now());
 148   EXPECT_EQ(1u, layer->update_count());
 149   EXPECT_EQ(1, host1->source_frame_number());
 150
 151   // The source frame number in |host1| is now higher than host2.
 152   layer->SetNeedsDisplay();
 153   host1->Composite(base::TimeTicks::Now());
 154   EXPECT_EQ(2u, layer->update_count());
 155   EXPECT_EQ(2, host1->source_frame_number());
 156
 157   // Then moved to another LayerTreeHost.
 158   host1->SetRootLayer(nullptr);
 159   host2->SetRootLayer(layer);
 160
 161   // Do a main frame, record the picture layers. The frame number has changed
 162   // non-monotonically.
 163   layer->SetNeedsDisplay();
 164   host2->Composite(base::TimeTicks::Now());
 165   EXPECT_EQ(3u, layer->update_count());
 166   EXPECT_EQ(1, host2->source_frame_number());
 167 }
 168
 169 }  // namespace
 170 }  // namespace cc