cc/layers/ui_resource_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/ui_resource_layer.h"
   6
   7 #include "cc/resources/prioritized_resource_manager.h"
   8 #include "cc/resources/resource_provider.h"
   9 #include "cc/resources/resource_update_queue.h"
  10 #include "cc/resources/scoped_ui_resource.h"
  11 #include "cc/test/fake_layer_tree_host.h"
  12 #include "cc/test/fake_layer_tree_host_client.h"
  13 #include "cc/test/fake_output_surface.h"
  14 #include "cc/test/fake_output_surface_client.h"
  15 #include "cc/test/geometry_test_utils.h"
  16 #include "cc/trees/layer_tree_host.h"
  17 #include "cc/trees/occlusion_tracker.h"
  18 #include "cc/trees/single_thread_proxy.h"
  19 #include "testing/gmock/include/gmock/gmock.h"
  20 #include "testing/gtest/include/gtest/gtest.h"
  21 #include "third_party/skia/include/core/SkBitmap.h"
  22
  23 using ::testing::Mock;
  24 using ::testing::_;
  25 using ::testing::AtLeast;
  26 using ::testing::AnyNumber;
  27
  28 namespace cc {
  29 namespace {
  30
  31 class TestUIResourceLayer : public UIResourceLayer {
  32  public:
  33   static scoped_refptr<TestUIResourceLayer> Create() {
  34     return make_scoped_refptr(new TestUIResourceLayer());
  35   }
  36
  37   UIResourceId GetUIResourceId() {
  38     if (ui_resource_holder_)
  39       return ui_resource_holder_->id();
  40     return 0;
  41   }
  42
  43  protected:
  44   TestUIResourceLayer() : UIResourceLayer() { SetIsDrawable(true); }
  45   ~TestUIResourceLayer() override {}
  46 };
  47
  48 class UIResourceLayerTest : public testing::Test {
  49  public:
  50   UIResourceLayerTest() : fake_client_(FakeLayerTreeHostClient::DIRECT_3D) {}
  51
  52  protected:
  53   void SetUp() override {
  54     layer_tree_host_ = FakeLayerTreeHost::Create(&fake_client_);
  55     layer_tree_host_->InitializeSingleThreaded(
  56         &fake_client_,
  57         base::MessageLoopProxy::current(),
  58         nullptr);
  59   }
  60
  61   void TearDown() override {
  62     Mock::VerifyAndClearExpectations(layer_tree_host_.get());
  63   }
  64
  65   FakeLayerTreeHostClient fake_client_;
  66   scoped_ptr<FakeLayerTreeHost> layer_tree_host_;
  67 };
  68
  69 TEST_F(UIResourceLayerTest, SetBitmap) {
  70   scoped_refptr<UIResourceLayer> test_layer = TestUIResourceLayer::Create();
  71   ASSERT_TRUE(test_layer.get());
  72   test_layer->SetBounds(gfx::Size(100, 100));
  73
  74   layer_tree_host_->SetRootLayer(test_layer);
  75   Mock::VerifyAndClearExpectations(layer_tree_host_.get());
  76   EXPECT_EQ(test_layer->layer_tree_host(), layer_tree_host_.get());
  77
  78   ResourceUpdateQueue queue;
  79   gfx::Rect screen_space_clip_rect;
  80   OcclusionTracker<Layer> occlusion_tracker(screen_space_clip_rect);
  81   test_layer->SavePaintProperties();
  82   test_layer->Update(&queue, &occlusion_tracker);
  83
  84   EXPECT_FALSE(test_layer->DrawsContent());
  85
  86   SkBitmap bitmap;
  87   bitmap.allocN32Pixels(10, 10);
  88   bitmap.setImmutable();
  89
  90   test_layer->SetBitmap(bitmap);
  91   test_layer->Update(&queue, &occlusion_tracker);
  92
  93   EXPECT_TRUE(test_layer->DrawsContent());
  94 }
  95
  96 TEST_F(UIResourceLayerTest, SetUIResourceId) {
  97   scoped_refptr<TestUIResourceLayer> test_layer = TestUIResourceLayer::Create();
  98   ASSERT_TRUE(test_layer.get());
  99   test_layer->SetBounds(gfx::Size(100, 100));
 100
 101   layer_tree_host_->SetRootLayer(test_layer);
 102   Mock::VerifyAndClearExpectations(layer_tree_host_.get());
 103   EXPECT_EQ(test_layer->layer_tree_host(), layer_tree_host_.get());
 104
 105   ResourceUpdateQueue queue;
 106   gfx::Rect screen_space_clip_rect;
 107   OcclusionTracker<Layer> occlusion_tracker(screen_space_clip_rect);
 108   test_layer->SavePaintProperties();
 109   test_layer->Update(&queue, &occlusion_tracker);
 110
 111   EXPECT_FALSE(test_layer->DrawsContent());
 112
 113   bool is_opaque = false;
 114   scoped_ptr<ScopedUIResource> resource = ScopedUIResource::Create(
 115       layer_tree_host_.get(), UIResourceBitmap(gfx::Size(10, 10), is_opaque));
 116   test_layer->SetUIResourceId(resource->id());
 117   test_layer->Update(&queue, &occlusion_tracker);
 118
 119   EXPECT_TRUE(test_layer->DrawsContent());
 120
 121   // ID is preserved even when you set ID first and attach it to the tree.
 122   layer_tree_host_->SetRootLayer(nullptr);
 123   scoped_ptr<ScopedUIResource> shared_resource = ScopedUIResource::Create(
 124       layer_tree_host_.get(), UIResourceBitmap(gfx::Size(5, 5), is_opaque));
 125   test_layer->SetUIResourceId(shared_resource->id());
 126   layer_tree_host_->SetRootLayer(test_layer);
 127   EXPECT_EQ(shared_resource->id(), test_layer->GetUIResourceId());
 128   EXPECT_TRUE(test_layer->DrawsContent());
 129 }
 130
 131 TEST_F(UIResourceLayerTest, BitmapClearedOnSetUIResourceId) {
 132   scoped_refptr<UIResourceLayer> test_layer = TestUIResourceLayer::Create();
 133   ASSERT_TRUE(test_layer.get());
 134   test_layer->SetBounds(gfx::Size(100, 100));
 135
 136   SkBitmap bitmap;
 137   bitmap.allocN32Pixels(10, 10);
 138   bitmap.setImmutable();
 139   ASSERT_FALSE(bitmap.isNull());
 140   ASSERT_TRUE(bitmap.pixelRef()->unique());
 141
 142   test_layer->SetBitmap(bitmap);
 143   ASSERT_FALSE(bitmap.pixelRef()->unique());
 144
 145   test_layer->SetUIResourceId(0);
 146   EXPECT_TRUE(bitmap.pixelRef()->unique());
 147 }
 148
 149 }  // namespace
 150 }  // namespace cc