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 "base/thread_task_runner_handle.h"
   8 #include "cc/layers/content_layer_client.h"
   9 #include "cc/layers/picture_layer_impl.h"
  10 #include "cc/playback/display_item_list_settings.h"
  11 #include "cc/test/fake_display_list_recording_source.h"
  12 #include "cc/test/fake_layer_tree_host.h"
  13 #include "cc/test/fake_picture_layer.h"
  14 #include "cc/test/fake_picture_layer_impl.h"
  15 #include "cc/test/fake_proxy.h"
  16 #include "cc/test/test_shared_bitmap_manager.h"
  17 #include "cc/test/test_task_graph_runner.h"
  18 #include "cc/trees/single_thread_proxy.h"
  19 #include "testing/gtest/include/gtest/gtest.h"
  20
  21 namespace cc {
  22 namespace {
  23
  24 class MockContentLayerClient : public ContentLayerClient {
  25  public:
  26   void PaintContents(SkCanvas* canvas,
  27                      const gfx::Rect& clip,
  28                      PaintingControlSetting picture_control) override {}
  29   scoped_refptr<DisplayItemList> PaintContentsToDisplayList(
  30       const gfx::Rect& clip,
  31       PaintingControlSetting picture_control) override {
  32     return DisplayItemList::Create(clip, DisplayItemListSettings());
  33   }
  34   bool FillsBoundsCompletely() const override { return false; };
  35   size_t GetApproximateUnsharedMemoryUsage() const override { return 0; }
  36 };
  37
  38 TEST(PictureLayerTest, NoTilesIfEmptyBounds) {
  39   MockContentLayerClient client;
  40   scoped_refptr<PictureLayer> layer =
  41       PictureLayer::Create(LayerSettings(), &client);
  42   layer->SetBounds(gfx::Size(10, 10));
  43
  44   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
  45   TestTaskGraphRunner task_graph_runner;
  46   scoped_ptr<FakeLayerTreeHost> host =
  47       FakeLayerTreeHost::Create(&host_client, &task_graph_runner);
  48   host->SetRootLayer(layer);
  49   layer->SetIsDrawable(true);
  50   layer->SavePaintProperties();
  51   layer->Update();
  52
  53   EXPECT_EQ(0, host->source_frame_number());
  54   host->CommitComplete();
  55   EXPECT_EQ(1, host->source_frame_number());
  56
  57   layer->SetBounds(gfx::Size(0, 0));
  58   layer->SavePaintProperties();
  59   // Intentionally skipping Update since it would normally be skipped on
  60   // a layer with empty bounds.
  61
  62   FakeProxy proxy;
  63   {
  64     DebugScopedSetImplThread impl_thread(&proxy);
  65
  66     TestSharedBitmapManager shared_bitmap_manager;
  67     FakeLayerTreeHostImpl host_impl(LayerTreeSettings(), &proxy,
  68                                     &shared_bitmap_manager, &task_graph_runner);
  69     host_impl.CreatePendingTree();
  70     scoped_ptr<FakePictureLayerImpl> layer_impl =
  71         FakePictureLayerImpl::Create(host_impl.pending_tree(), 1);
  72
  73     layer->PushPropertiesTo(layer_impl.get());
  74     EXPECT_FALSE(layer_impl->CanHaveTilings());
  75     EXPECT_TRUE(layer_impl->bounds() == gfx::Size(0, 0));
  76     EXPECT_EQ(gfx::Size(), layer_impl->raster_source()->GetSize());
  77     EXPECT_FALSE(layer_impl->raster_source()->HasRecordings());
  78   }
  79 }
  80
  81 TEST(PictureLayerTest, SuitableForGpuRasterization) {
  82   scoped_ptr<FakeDisplayListRecordingSource> recording_source_owned(
  83       new FakeDisplayListRecordingSource(gfx::Size(100, 100)));
  84   FakeDisplayListRecordingSource* recording_source =
  85       recording_source_owned.get();
  86
  87   MockContentLayerClient client;
  88   scoped_refptr<FakePictureLayer> layer =
  89       FakePictureLayer::CreateWithRecordingSource(
  90           LayerSettings(), &client, recording_source_owned.Pass());
  91
  92   FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
  93   TestTaskGraphRunner task_graph_runner;
  94   scoped_ptr<FakeLayerTreeHost> host =
  95       FakeLayerTreeHost::Create(&host_client, &task_graph_runner);
  96   host->SetRootLayer(layer);
  97
  98   // Update layers to initialize the recording source.
  99   gfx::Size layer_bounds(200, 200);
 100   gfx::Rect layer_rect(layer_bounds);
 101   Region invalidation(layer_rect);
 102   recording_source->UpdateAndExpandInvalidation(
 103       &client, &invalidation, layer_bounds, layer_rect, 1,
 104       RecordingSource::RECORD_NORMALLY);
 105
 106   // Layer is suitable for gpu rasterization by default.
 107   EXPECT_TRUE(recording_source->IsSuitableForGpuRasterization());
 108   EXPECT_TRUE(layer->IsSuitableForGpuRasterization());
 109
 110   // Veto gpu rasterization.
 111   recording_source->SetUnsuitableForGpuRasterization();
 112   EXPECT_FALSE(recording_source->IsSuitableForGpuRasterization());
 113   EXPECT_FALSE(layer->IsSuitableForGpuRasterization());
 114 }
 115
 116 // PicturePile uses the source frame number as a unit for measuring invalidation
 117 // frequency. When a pile moves between compositors, the frame number increases
 118 // non-monotonically. This executes that code path under this scenario allowing
 119 // for the code to verify correctness with DCHECKs.
 120 TEST(PictureLayerTest, NonMonotonicSourceFrameNumber) {
 121   LayerTreeSettings settings;
 122   settings.single_thread_proxy_scheduler = false;
 123   settings.use_zero_copy = true;
 124
 125   FakeLayerTreeHostClient host_client1(FakeLayerTreeHostClient::DIRECT_3D);
 126   FakeLayerTreeHostClient host_client2(FakeLayerTreeHostClient::DIRECT_3D);
 127   TestSharedBitmapManager shared_bitmap_manager;
 128   TestTaskGraphRunner task_graph_runner;
 129
 130   MockContentLayerClient client;
 131   scoped_refptr<FakePictureLayer> layer =
 132       FakePictureLayer::Create(LayerSettings(), &client);
 133
 134   LayerTreeHost::InitParams params;
 135   params.client = &host_client1;
 136   params.shared_bitmap_manager = &shared_bitmap_manager;
 137   params.settings = &settings;
 138   params.task_graph_runner = &task_graph_runner;
 139   params.main_task_runner = base::ThreadTaskRunnerHandle::Get();
 140   scoped_ptr<LayerTreeHost> host1 =
 141       LayerTreeHost::CreateSingleThreaded(&host_client1, &params);
 142   host_client1.SetLayerTreeHost(host1.get());
 143
 144   params.client = &host_client2;
 145   scoped_ptr<LayerTreeHost> host2 =
 146       LayerTreeHost::CreateSingleThreaded(&host_client2, &params);
 147   host_client2.SetLayerTreeHost(host2.get());
 148
 149   // The PictureLayer is put in one LayerTreeHost.
 150   host1->SetRootLayer(layer);
 151   // Do a main frame, record the picture layers.
 152   EXPECT_EQ(0, layer->update_count());
 153   layer->SetNeedsDisplay();
 154   host1->Composite(base::TimeTicks::Now());
 155   EXPECT_EQ(1, layer->update_count());
 156   EXPECT_EQ(1, host1->source_frame_number());
 157
 158   // The source frame number in |host1| is now higher than host2.
 159   layer->SetNeedsDisplay();
 160   host1->Composite(base::TimeTicks::Now());
 161   EXPECT_EQ(2, layer->update_count());
 162   EXPECT_EQ(2, host1->source_frame_number());
 163
 164   // Then moved to another LayerTreeHost.
 165   host1->SetRootLayer(nullptr);
 166   host2->SetRootLayer(layer);
 167
 168   // Do a main frame, record the picture layers. The frame number has changed
 169   // non-monotonically.
 170   layer->SetNeedsDisplay();
 171   host2->Composite(base::TimeTicks::Now());
 172   EXPECT_EQ(3, layer->update_count());
 173   EXPECT_EQ(1, host2->source_frame_number());
 174 }
 175
 176 }  // namespace
 177 }  // namespace cc