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