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 "cc/layers/content_layer_client.h"
   8 #include "cc/layers/picture_layer_impl.h"
   9 #include "cc/resources/resource_update_queue.h"
  10 #include "cc/test/fake_layer_tree_host.h"
  11 #include "cc/test/fake_picture_layer_impl.h"
  12 #include "cc/test/fake_proxy.h"
  13 #include "cc/test/impl_side_painting_settings.h"
  14 #include "cc/trees/occlusion_tracker.h"
  15 #include "cc/trees/single_thread_proxy.h"
  16 #include "testing/gtest/include/gtest/gtest.h"
  17
  18 namespace cc {
  19 namespace {
  20
  21 class MockContentLayerClient : public ContentLayerClient {
  22  public:
  23   void PaintContents(SkCanvas* canvas,
  24                      const gfx::Rect& clip,
  25                      PaintingControlSetting picture_control) override {}
  26   scoped_refptr<DisplayItemList> PaintContentsToDisplayList(
  27       const gfx::Rect& clip,
  28       PaintingControlSetting picture_control) override {
  29     NOTIMPLEMENTED();
  30     return DisplayItemList::Create();
  31   }
  32   bool FillsBoundsCompletely() const override { return false; };
  33 };
  34
  35 TEST(PictureLayerTest, NoTilesIfEmptyBounds) {
  36   MockContentLayerClient client;
  37   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
  38   layer->SetBounds(gfx::Size(10, 10));
  39
  40   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
  41   scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(&host_client);
  42   host->SetRootLayer(layer);
  43   layer->SetIsDrawable(true);
  44   layer->SavePaintProperties();
  45
  46   OcclusionTracker<Layer> occlusion(gfx::Rect(0, 0, 1000, 1000));
  47   scoped_ptr<ResourceUpdateQueue> queue(new ResourceUpdateQueue);
  48   layer->Update(queue.get(), &occlusion);
  49
  50   EXPECT_EQ(0, host->source_frame_number());
  51   host->CommitComplete();
  52   EXPECT_EQ(1, host->source_frame_number());
  53
  54   layer->SetBounds(gfx::Size(0, 0));
  55   layer->SavePaintProperties();
  56   // Intentionally skipping Update since it would normally be skipped on
  57   // a layer with empty bounds.
  58
  59   FakeProxy proxy;
  60   {
  61     DebugScopedSetImplThread impl_thread(&proxy);
  62
  63     TestSharedBitmapManager shared_bitmap_manager;
  64     FakeLayerTreeHostImpl host_impl(
  65         ImplSidePaintingSettings(), &proxy, &shared_bitmap_manager);
  66     host_impl.CreatePendingTree();
  67     scoped_ptr<FakePictureLayerImpl> layer_impl =
  68         FakePictureLayerImpl::Create(host_impl.pending_tree(), 1);
  69
  70     layer->PushPropertiesTo(layer_impl.get());
  71     EXPECT_FALSE(layer_impl->CanHaveTilings());
  72     EXPECT_TRUE(layer_impl->bounds() == gfx::Size(0, 0));
  73     EXPECT_EQ(gfx::Size(), layer_impl->raster_source()->GetSize());
  74     EXPECT_FALSE(layer_impl->raster_source()->HasRecordings());
  75   }
  76 }
  77
  78 TEST(PictureLayerTest, SuitableForGpuRasterization) {
  79   MockContentLayerClient client;
  80   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
  81   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
  82   scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(&host_client);
  83   host->SetRootLayer(layer);
  84   RecordingSource* recording_source = layer->GetRecordingSourceForTesting();
  85
  86   // Layer is suitable for gpu rasterization by default.
  87   EXPECT_TRUE(recording_source->IsSuitableForGpuRasterization());
  88   EXPECT_TRUE(layer->IsSuitableForGpuRasterization());
  89
  90   // Veto gpu rasterization.
  91   recording_source->SetUnsuitableForGpuRasterizationForTesting();
  92   EXPECT_FALSE(recording_source->IsSuitableForGpuRasterization());
  93   EXPECT_FALSE(layer->IsSuitableForGpuRasterization());
  94 }
  95
  96 TEST(PictureLayerTest, UseTileGridSize) {
  97   LayerTreeSettings settings;
  98   settings.default_tile_grid_size = gfx::Size(123, 123);
  99
 100   MockContentLayerClient client;
 101   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
 102   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
 103   scoped_ptr<FakeLayerTreeHost> host =
 104       FakeLayerTreeHost::Create(&host_client, settings);
 105   host->SetRootLayer(layer);
 106
 107   // Tile-grid is set according to its setting.
 108   gfx::Size size =
 109       layer->GetRecordingSourceForTesting()->GetTileGridSizeForTesting();
 110   EXPECT_EQ(size.width(), 123);
 111   EXPECT_EQ(size.height(), 123);
 112 }
 113
 114 }  // namespace
 115 }  // namespace cc