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