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 =
  40       PictureLayer::Create(LayerSettings(), &client);
  41   layer->SetBounds(gfx::Size(10, 10));
  42
  43   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
  44   scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(&host_client);
  45   host->SetRootLayer(layer);
  46   layer->SetIsDrawable(true);
  47   layer->SavePaintProperties();
  48
  49   OcclusionTracker<Layer> occlusion(gfx::Rect(0, 0, 1000, 1000));
  50   scoped_ptr<ResourceUpdateQueue> queue(new ResourceUpdateQueue);
  51   layer->Update(queue.get(), &occlusion);
  52
  53   EXPECT_EQ(0, host->source_frame_number());
  54   host->CommitComplete();
  55   EXPECT_EQ(1, host->source_frame_number());
  56
  57   layer->SetBounds(gfx::Size(0, 0));
  58   layer->SavePaintProperties();
  59   // Intentionally skipping Update since it would normally be skipped on
  60   // a layer with empty bounds.
  61
  62   FakeProxy proxy;
  63   {
  64     DebugScopedSetImplThread impl_thread(&proxy);
  65
  66     TestSharedBitmapManager shared_bitmap_manager;
  67     FakeLayerTreeHostImpl host_impl(ImplSidePaintingSettings(), &proxy,
  68                                     &shared_bitmap_manager, nullptr);
  69     host_impl.CreatePendingTree();
  70     scoped_ptr<FakePictureLayerImpl> layer_impl =
  71         FakePictureLayerImpl::Create(host_impl.pending_tree(), 1);
  72
  73     layer->PushPropertiesTo(layer_impl.get());
  74     EXPECT_FALSE(layer_impl->CanHaveTilings());
  75     EXPECT_TRUE(layer_impl->bounds() == gfx::Size(0, 0));
  76     EXPECT_EQ(gfx::Size(), layer_impl->raster_source()->GetSize());
  77     EXPECT_FALSE(layer_impl->raster_source()->HasRecordings());
  78   }
  79 }
  80
  81 TEST(PictureLayerTest, SuitableForGpuRasterization) {
  82   MockContentLayerClient client;
  83   scoped_refptr<PictureLayer> layer =
  84       PictureLayer::Create(LayerSettings(), &client);
  85   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
  86   scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(&host_client);
  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   scoped_ptr<FakeLayerTreeHost> host =
 109       FakeLayerTreeHost::Create(&host_client, settings);
 110   host->SetRootLayer(layer);
 111
 112   // Tile-grid is set according to its setting.
 113   gfx::Size size =
 114       layer->GetRecordingSourceForTesting()->GetTileGridSizeForTesting();
 115   EXPECT_EQ(size.width(), 123);
 116   EXPECT_EQ(size.height(), 123);
 117 }
 118
 119 // PicturePile uses the source frame number as a unit for measuring invalidation
 120 // frequency. When a pile moves between compositors, the frame number increases
 121 // non-monotonically. This executes that code path under this scenario allowing
 122 // for the code to verify correctness with DCHECKs.
 123 TEST(PictureLayerTest, NonMonotonicSourceFrameNumber) {
 124   LayerTreeSettings settings;
 125   settings.single_thread_proxy_scheduler = false;
 126
 127   FakeLayerTreeHostClient host_client1(FakeLayerTreeHostClient::DIRECT_3D);
 128   FakeLayerTreeHostClient host_client2(FakeLayerTreeHostClient::DIRECT_3D);
 129   scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
 130       new TestSharedBitmapManager());
 131
 132   MockContentLayerClient client;
 133   scoped_refptr<FakePictureLayer> layer =
 134       FakePictureLayer::Create(LayerSettings(), &client);
 135
 136   LayerTreeHost::InitParams params;
 137   params.client = &host_client1;
 138   params.shared_bitmap_manager = shared_bitmap_manager.get();
 139   params.settings = &settings;
 140   params.main_task_runner = base::ThreadTaskRunnerHandle::Get();
 141   scoped_ptr<LayerTreeHost> host1 =
 142       LayerTreeHost::CreateSingleThreaded(&host_client1, &params);
 143   host_client1.SetLayerTreeHost(host1.get());
 144
 145   params.client = &host_client2;
 146   scoped_ptr<LayerTreeHost> host2 =
 147       LayerTreeHost::CreateSingleThreaded(&host_client2, &params);
 148   host_client2.SetLayerTreeHost(host2.get());
 149
 150   // The PictureLayer is put in one LayerTreeHost.
 151   host1->SetRootLayer(layer);
 152   // Do a main frame, record the picture layers.
 153   EXPECT_EQ(0u, layer->update_count());
 154   layer->SetNeedsDisplay();
 155   host1->Composite(base::TimeTicks::Now());
 156   EXPECT_EQ(1u, layer->update_count());
 157   EXPECT_EQ(1, host1->source_frame_number());
 158
 159   // The source frame number in |host1| is now higher than host2.
 160   layer->SetNeedsDisplay();
 161   host1->Composite(base::TimeTicks::Now());
 162   EXPECT_EQ(2u, layer->update_count());
 163   EXPECT_EQ(2, host1->source_frame_number());
 164
 165   // Then moved to another LayerTreeHost.
 166   host1->SetRootLayer(nullptr);
 167   host2->SetRootLayer(layer);
 168
 169   // Do a main frame, record the picture layers. The frame number has changed
 170   // non-monotonically.
 171   layer->SetNeedsDisplay();
 172   host2->Composite(base::TimeTicks::Now());
 173   EXPECT_EQ(3u, layer->update_count());
 174   EXPECT_EQ(1, host2->source_frame_number());
 175 }
 176
 177 }  // namespace
 178 }  // namespace cc