• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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_image_layer_impl.h"
6 
7 #include "cc/layers/append_quads_data.h"
8 #include "cc/resources/tile_priority.h"
9 #include "cc/test/fake_impl_proxy.h"
10 #include "cc/test/fake_layer_tree_host_impl.h"
11 #include "cc/test/fake_output_surface.h"
12 #include "cc/test/fake_picture_layer_tiling_client.h"
13 #include "cc/test/impl_side_painting_settings.h"
14 #include "cc/test/mock_quad_culler.h"
15 #include "cc/test/test_shared_bitmap_manager.h"
16 #include "cc/trees/layer_tree_impl.h"
17 #include "testing/gtest/include/gtest/gtest.h"
18 
19 namespace cc {
20 namespace {
21 
22 class TestablePictureImageLayerImpl : public PictureImageLayerImpl {
23  public:
TestablePictureImageLayerImpl(LayerTreeImpl * tree_impl,int id)24   TestablePictureImageLayerImpl(LayerTreeImpl* tree_impl, int id)
25       : PictureImageLayerImpl(tree_impl, id) {
26   }
27   using PictureLayerImpl::UpdateIdealScales;
28   using PictureLayerImpl::MaximumTilingContentsScale;
29   using PictureLayerImpl::DoPostCommitInitializationIfNeeded;
30 
tilings()31   PictureLayerTilingSet* tilings() { return tilings_.get(); }
32 
33   friend class PictureImageLayerImplTest;
34 };
35 
36 class PictureImageLayerImplTest : public testing::Test {
37  public:
PictureImageLayerImplTest()38   PictureImageLayerImplTest()
39       : proxy_(base::MessageLoopProxy::current()),
40         host_impl_(ImplSidePaintingSettings(),
41                    &proxy_,
42                    &shared_bitmap_manager_) {
43     tiling_client_.SetTileSize(ImplSidePaintingSettings().default_tile_size);
44     host_impl_.CreatePendingTree();
45     host_impl_.InitializeRenderer(
46         FakeOutputSurface::Create3d().PassAs<OutputSurface>());
47   }
48 
CreateLayer(int id,WhichTree which_tree)49   scoped_ptr<TestablePictureImageLayerImpl> CreateLayer(int id,
50                                                         WhichTree which_tree) {
51     LayerTreeImpl* tree = NULL;
52     switch (which_tree) {
53       case ACTIVE_TREE:
54         tree = host_impl_.active_tree();
55         break;
56       case PENDING_TREE:
57         tree = host_impl_.pending_tree();
58         break;
59       case NUM_TREES:
60         NOTREACHED();
61         break;
62     }
63     TestablePictureImageLayerImpl* layer =
64         new TestablePictureImageLayerImpl(tree, id);
65     layer->SetBounds(gfx::Size(100, 200));
66     layer->SetContentBounds(gfx::Size(100, 200));
67     layer->tilings_.reset(new PictureLayerTilingSet(&tiling_client_,
68                                                     layer->bounds()));
69     layer->pile_ = tiling_client_.pile();
70     return make_scoped_ptr(layer);
71   }
72 
SetupDrawPropertiesAndUpdateTiles(TestablePictureImageLayerImpl * layer,float ideal_contents_scale,float device_scale_factor,float page_scale_factor,float maximum_animation_contents_scale,bool animating_transform_to_screen)73   void SetupDrawPropertiesAndUpdateTiles(TestablePictureImageLayerImpl* layer,
74                                          float ideal_contents_scale,
75                                          float device_scale_factor,
76                                          float page_scale_factor,
77                                          float maximum_animation_contents_scale,
78                                          bool animating_transform_to_screen) {
79     layer->draw_properties().ideal_contents_scale = ideal_contents_scale;
80     layer->draw_properties().device_scale_factor = device_scale_factor;
81     layer->draw_properties().page_scale_factor = page_scale_factor;
82     layer->draw_properties().maximum_animation_contents_scale =
83         maximum_animation_contents_scale;
84     layer->draw_properties().screen_space_transform_is_animating =
85         animating_transform_to_screen;
86     layer->UpdateTiles();
87   }
88 
89  protected:
90   FakeImplProxy proxy_;
91   FakeLayerTreeHostImpl host_impl_;
92   TestSharedBitmapManager shared_bitmap_manager_;
93   FakePictureLayerTilingClient tiling_client_;
94 };
95 
TEST_F(PictureImageLayerImplTest,CalculateContentsScale)96 TEST_F(PictureImageLayerImplTest, CalculateContentsScale) {
97   scoped_ptr<TestablePictureImageLayerImpl> layer(CreateLayer(1, PENDING_TREE));
98   layer->SetDrawsContent(true);
99 
100   SetupDrawPropertiesAndUpdateTiles(layer.get(), 2.f, 3.f, 4.f, 1.f, false);
101 
102   EXPECT_FLOAT_EQ(1.f, layer->contents_scale_x());
103   EXPECT_FLOAT_EQ(1.f, layer->contents_scale_y());
104   EXPECT_FLOAT_EQ(1.f, layer->MaximumTilingContentsScale());
105 }
106 
TEST_F(PictureImageLayerImplTest,IgnoreIdealContentScale)107 TEST_F(PictureImageLayerImplTest, IgnoreIdealContentScale) {
108   scoped_ptr<TestablePictureImageLayerImpl> pending_layer(
109       CreateLayer(1, PENDING_TREE));
110   pending_layer->SetDrawsContent(true);
111 
112   // Set PictureLayerImpl::ideal_contents_scale_ to 2.f which is not equal
113   // to the content scale used by PictureImageLayerImpl.
114   const float suggested_ideal_contents_scale = 2.f;
115   const float device_scale_factor = 3.f;
116   const float page_scale_factor = 4.f;
117   const float maximum_animation_contents_scale = 1.f;
118   const bool animating_transform_to_screen = false;
119   SetupDrawPropertiesAndUpdateTiles(pending_layer.get(),
120                                     suggested_ideal_contents_scale,
121                                     device_scale_factor,
122                                     page_scale_factor,
123                                     maximum_animation_contents_scale,
124                                     animating_transform_to_screen);
125   EXPECT_EQ(1.f, pending_layer->tilings()->tiling_at(0)->contents_scale());
126 
127   // Push to active layer.
128   host_impl_.pending_tree()->SetRootLayer(pending_layer.PassAs<LayerImpl>());
129   host_impl_.ActivatePendingTree();
130   TestablePictureImageLayerImpl* active_layer =
131       static_cast<TestablePictureImageLayerImpl*>(
132           host_impl_.active_tree()->root_layer());
133   SetupDrawPropertiesAndUpdateTiles(active_layer,
134                                     suggested_ideal_contents_scale,
135                                     device_scale_factor,
136                                     page_scale_factor,
137                                     maximum_animation_contents_scale,
138                                     animating_transform_to_screen);
139   EXPECT_EQ(1.f, active_layer->tilings()->tiling_at(0)->contents_scale());
140 
141   // Create tile and resource.
142   active_layer->tilings()->tiling_at(0)->CreateAllTilesForTesting();
143   host_impl_.tile_manager()->InitializeTilesWithResourcesForTesting(
144       active_layer->tilings()->tiling_at(0)->AllTilesForTesting());
145 
146   // Draw.
147   active_layer->draw_properties().visible_content_rect =
148       gfx::Rect(active_layer->bounds());
149   MockOcclusionTracker<LayerImpl> occlusion_tracker;
150   scoped_ptr<RenderPass> render_pass = RenderPass::Create();
151   MockQuadCuller quad_culler(render_pass.get(), &occlusion_tracker);
152   AppendQuadsData data;
153   active_layer->WillDraw(DRAW_MODE_SOFTWARE, NULL);
154   active_layer->AppendQuads(&quad_culler, &data);
155   active_layer->DidDraw(NULL);
156 
157   EXPECT_EQ(DrawQuad::TILED_CONTENT, quad_culler.quad_list()[0]->material);
158 
159   // Tiles are ready at correct scale, so should not set had_incomplete_tile.
160   EXPECT_FALSE(data.had_incomplete_tile);
161 }
162 
163 }  // namespace
164 }  // namespace cc
165