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      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   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
     39   scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(&host_client);
     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_EQ(gfx::Size(), layer_impl->pile()->tiling_size());
     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   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
     93   scoped_ptr<FakeLayerTreeHost> host =
     94       FakeLayerTreeHost::Create(&host_client, settings);
     95   host->SetRootLayer(layer);
     96   EXPECT_EQ(Picture::RECORD_NORMALLY, layer->RecordingMode());
     97 
     98   settings.recording_mode = LayerTreeSettings::RecordWithSkRecord;
     99   host = FakeLayerTreeHost::Create(&host_client, settings);
    100   host->SetRootLayer(layer);
    101   EXPECT_EQ(Picture::RECORD_WITH_SKRECORD, layer->RecordingMode());
    102 }
    103 
    104 }  // namespace
    105 }  // namespace cc
    106