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(
  24       SkCanvas* canvas,
  25       const gfx::Rect& clip,
  26       ContentLayerClient::GraphicsContextStatus gc_status) override {}
  27   scoped_refptr<DisplayItemList> PaintContentsToDisplayList(
  28       const gfx::Rect& clip,
  29       GraphicsContextStatus gc_status) override {
  30     NOTIMPLEMENTED();
  31     return DisplayItemList::Create();
  32   }
  33   bool FillsBoundsCompletely() const override { return false; };
  34 };
  35
  36 TEST(PictureLayerTest, NoTilesIfEmptyBounds) {
  37   MockContentLayerClient client;
  38   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
  39   layer->SetBounds(gfx::Size(10, 10));
  40
  41   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
  42   scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(&host_client);
  43   host->SetRootLayer(layer);
  44   layer->SetIsDrawable(true);
  45   layer->SavePaintProperties();
  46
  47   OcclusionTracker<Layer> occlusion(gfx::Rect(0, 0, 1000, 1000));
  48   scoped_ptr<ResourceUpdateQueue> queue(new ResourceUpdateQueue);
  49   layer->Update(queue.get(), &occlusion);
  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(
  66         ImplSidePaintingSettings(), &proxy, &shared_bitmap_manager);
  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 = PictureLayer::Create(&client);
  82   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
  83   scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(&host_client);
  84   host->SetRootLayer(layer);
  85   RecordingSource* recording_source = layer->GetRecordingSourceForTesting();
  86
  87   // Layer is suitable for gpu rasterization by default.
  88   EXPECT_TRUE(recording_source->IsSuitableForGpuRasterization());
  89   EXPECT_TRUE(layer->IsSuitableForGpuRasterization());
  90
  91   // Veto gpu rasterization.
  92   recording_source->SetUnsuitableForGpuRasterizationForTesting();
  93   EXPECT_FALSE(recording_source->IsSuitableForGpuRasterization());
  94   EXPECT_FALSE(layer->IsSuitableForGpuRasterization());
  95 }
  96
  97 TEST(PictureLayerTest, UseTileGridSize) {
  98   LayerTreeSettings settings;
  99   settings.default_tile_grid_size = gfx::Size(123, 123);
 100
 101   MockContentLayerClient client;
 102   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
 103   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
 104   scoped_ptr<FakeLayerTreeHost> host =
 105       FakeLayerTreeHost::Create(&host_client, settings);
 106   host->SetRootLayer(layer);
 107
 108   // Tile-grid is set according to its setting.
 109   SkTileGridFactory::TileGridInfo info =
 110       layer->GetRecordingSourceForTesting()->GetTileGridInfoForTesting();
 111   EXPECT_EQ(info.fTileInterval.width(), 123 - 2 * info.fMargin.width());
 112   EXPECT_EQ(info.fTileInterval.height(), 123 - 2 * info.fMargin.height());
 113 }
 114
 115 }  // namespace
 116 }  // namespace cc