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