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     layer->SetContentBounds(layer->raster_source_->GetSize());
  63     return make_scoped_ptr(layer);
  64   }
  65
  66   void SetupDrawPropertiesAndUpdateTiles(TestablePictureImageLayerImpl* layer,
  67                                          float ideal_contents_scale,
  68                                          float device_scale_factor,
  69                                          float page_scale_factor,
  70                                          float maximum_animation_contents_scale,
  71                                          bool animating_transform_to_screen,
  72                                          gfx::Rect viewport_rect) {
  73     layer->draw_properties().ideal_contents_scale = ideal_contents_scale;
  74     layer->draw_properties().device_scale_factor = device_scale_factor;
  75     layer->draw_properties().page_scale_factor = page_scale_factor;
  76     layer->draw_properties().maximum_animation_contents_scale =
  77         maximum_animation_contents_scale;
  78     layer->draw_properties().screen_space_transform_is_animating =
  79         animating_transform_to_screen;
  80     layer->draw_properties().visible_content_rect = viewport_rect;
  81     bool resourceless_software_draw = false;
  82     layer->UpdateTiles(resourceless_software_draw);
  83   }
  84
  85  protected:
  86   FakeImplProxy proxy_;
  87   TestSharedBitmapManager shared_bitmap_manager_;
  88   TestTaskGraphRunner task_graph_runner_;
  89   FakeLayerTreeHostImpl host_impl_;
  90 };
  91
  92 TEST_F(PictureImageLayerImplTest, CalculateContentsScale) {
  93   scoped_ptr<TestablePictureImageLayerImpl> layer(CreateLayer(1, PENDING_TREE));
  94   layer->SetDrawsContent(true);
  95
  96   gfx::Rect viewport(100, 200);
  97   SetupDrawPropertiesAndUpdateTiles(
  98       layer.get(), 2.f, 3.f, 4.f, 1.f, false, viewport);
  99
 100   EXPECT_FLOAT_EQ(1.f, layer->contents_scale_x());
 101   EXPECT_FLOAT_EQ(1.f, layer->contents_scale_y());
 102   EXPECT_FLOAT_EQ(1.f, layer->MaximumTilingContentsScale());
 103 }
 104
 105 TEST_F(PictureImageLayerImplTest, IgnoreIdealContentScale) {
 106   scoped_ptr<TestablePictureImageLayerImpl> pending_layer(
 107       CreateLayer(1, PENDING_TREE));
 108   pending_layer->SetDrawsContent(true);
 109
 110   gfx::Rect viewport(100, 200);
 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                                     viewport);
 126   EXPECT_EQ(1.f, pending_layer->tilings()->tiling_at(0)->contents_scale());
 127
 128   // Push to active layer.
 129   host_impl_.pending_tree()->SetRootLayer(pending_layer.Pass());
 130   host_impl_.ActivateSyncTree();
 131
 132   TestablePictureImageLayerImpl* active_layer =
 133       static_cast<TestablePictureImageLayerImpl*>(
 134           host_impl_.active_tree()->root_layer());
 135   SetupDrawPropertiesAndUpdateTiles(active_layer,
 136                                     suggested_ideal_contents_scale,
 137                                     device_scale_factor,
 138                                     page_scale_factor,
 139                                     maximum_animation_contents_scale,
 140                                     animating_transform_to_screen,
 141                                     viewport);
 142   EXPECT_EQ(1.f, active_layer->tilings()->tiling_at(0)->contents_scale());
 143
 144   // Create resources for the tiles.
 145   host_impl_.tile_manager()->InitializeTilesWithResourcesForTesting(
 146       active_layer->tilings()->tiling_at(0)->AllTilesForTesting());
 147
 148   // Draw.
 149   scoped_ptr<RenderPass> render_pass = RenderPass::Create();
 150   AppendQuadsData data;
 151   active_layer->WillDraw(DRAW_MODE_SOFTWARE, nullptr);
 152   active_layer->AppendQuads(render_pass.get(), &data);
 153   active_layer->DidDraw(nullptr);
 154
 155   EXPECT_EQ(DrawQuad::TILED_CONTENT, render_pass->quad_list.front()->material);
 156
 157   // Tiles are ready at correct scale, so should not set had_incomplete_tile.
 158   EXPECT_EQ(0, data.num_incomplete_tiles);
 159 }
 160
 161 }  // namespace
 162 }  // namespace cc