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