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   virtual void PaintContents(
  24       SkCanvas* canvas,
  25       const gfx::Rect& clip,
  26       ContentLayerClient::GraphicsContextStatus gc_status) OVERRIDE {}
  27   virtual void DidChangeLayerCanUseLCDText() OVERRIDE {}
  28   virtual bool FillsBoundsCompletely() const OVERRIDE {
  29     return false;
  30   };
  31 };
  32
  33 TEST(PictureLayerTest, NoTilesIfEmptyBounds) {
  34   MockContentLayerClient client;
  35   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
  36   layer->SetBounds(gfx::Size(10, 10));
  37
  38   scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create();
  39   host->SetRootLayer(layer);
  40   layer->SetIsDrawable(true);
  41   layer->SavePaintProperties();
  42
  43   OcclusionTracker<Layer> occlusion(gfx::Rect(0, 0, 1000, 1000));
  44   scoped_ptr<ResourceUpdateQueue> queue(new ResourceUpdateQueue);
  45   layer->Update(queue.get(), &occlusion);
  46
  47   layer->SetBounds(gfx::Size(0, 0));
  48   layer->SavePaintProperties();
  49   // Intentionally skipping Update since it would normally be skipped on
  50   // a layer with empty bounds.
  51
  52   FakeProxy proxy;
  53   {
  54     DebugScopedSetImplThread impl_thread(&proxy);
  55
  56     TestSharedBitmapManager shared_bitmap_manager;
  57     FakeLayerTreeHostImpl host_impl(
  58         ImplSidePaintingSettings(), &proxy, &shared_bitmap_manager);
  59     host_impl.CreatePendingTree();
  60     scoped_ptr<FakePictureLayerImpl> layer_impl =
  61         FakePictureLayerImpl::Create(host_impl.pending_tree(), 1);
  62
  63     layer->PushPropertiesTo(layer_impl.get());
  64     EXPECT_FALSE(layer_impl->CanHaveTilings());
  65     EXPECT_TRUE(layer_impl->bounds() == gfx::Size(0, 0));
  66     EXPECT_EQ(gfx::Size(), layer_impl->pile()->tiling_size());
  67     EXPECT_FALSE(layer_impl->pile()->HasRecordings());
  68   }
  69 }
  70
  71 TEST(PictureLayerTest, SuitableForGpuRasterization) {
  72   MockContentLayerClient client;
  73   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
  74   PicturePile* pile = layer->GetPicturePileForTesting();
  75
  76   // Layer is suitable for gpu rasterization by default.
  77   EXPECT_TRUE(pile->is_suitable_for_gpu_rasterization());
  78   EXPECT_TRUE(layer->IsSuitableForGpuRasterization());
  79
  80   // Veto gpu rasterization.
  81   pile->SetUnsuitableForGpuRasterizationForTesting();
  82   EXPECT_FALSE(pile->is_suitable_for_gpu_rasterization());
  83   EXPECT_FALSE(layer->IsSuitableForGpuRasterization());
  84 }
  85
  86 TEST(PictureLayerTest, RecordingModes) {
  87   MockContentLayerClient client;
  88   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
  89
  90   LayerTreeSettings settings;
  91   scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(settings);
  92   host->SetRootLayer(layer);
  93   EXPECT_EQ(Picture::RECORD_NORMALLY, layer->RecordingMode());
  94
  95   settings.recording_mode = LayerTreeSettings::RecordWithSkRecord;
  96   host = FakeLayerTreeHost::Create(settings);
  97   host->SetRootLayer(layer);
  98   EXPECT_EQ(Picture::RECORD_WITH_SKRECORD, layer->RecordingMode());
  99 }
 100
 101 }  // namespace
 102 }  // namespace cc