cc/test/layer_tree_host_common_test.cc

   1 // Copyright 2014 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/test/layer_tree_host_common_test.h"
   6
   7 #include "cc/layers/layer.h"
   8 #include "cc/layers/layer_impl.h"
   9 #include "cc/test/fake_layer_tree_host.h"
  10 #include "cc/trees/draw_property_utils.h"
  11 #include "cc/trees/layer_tree_host_common.h"
  12
  13 namespace cc {
  14
  15 LayerTreeHostCommonTestBase::LayerTreeHostCommonTestBase(
  16     const LayerTreeSettings& settings)
  17     : LayerTestCommon::LayerImplTest(settings),
  18       render_surface_layer_list_count_(0) {
  19 }
  20
  21 LayerTreeHostCommonTestBase::~LayerTreeHostCommonTestBase() {
  22 }
  23
  24 void LayerTreeHostCommonTestBase::SetLayerPropertiesForTesting(
  25     Layer* layer,
  26     const gfx::Transform& transform,
  27     const gfx::Point3F& transform_origin,
  28     const gfx::PointF& position,
  29     const gfx::Size& bounds,
  30     bool flatten_transform,
  31     bool is_3d_sorted) {
  32   SetLayerPropertiesForTestingInternal(layer, transform, transform_origin,
  33                                        position, bounds, flatten_transform,
  34                                        is_3d_sorted);
  35 }
  36
  37 void LayerTreeHostCommonTestBase::SetLayerPropertiesForTesting(
  38     LayerImpl* layer,
  39     const gfx::Transform& transform,
  40     const gfx::Point3F& transform_origin,
  41     const gfx::PointF& position,
  42     const gfx::Size& bounds,
  43     bool flatten_transform,
  44     bool is_3d_sorted,
  45     bool create_render_surface) {
  46   SetLayerPropertiesForTestingInternal(layer, transform, transform_origin,
  47                                        position, bounds, flatten_transform,
  48                                        is_3d_sorted);
  49   if (create_render_surface) {
  50     layer->SetHasRenderSurface(true);
  51   }
  52 }
  53
  54 void LayerTreeHostCommonTestBase::ExecuteCalculateDrawProperties(
  55     Layer* root_layer,
  56     float device_scale_factor,
  57     float page_scale_factor,
  58     Layer* page_scale_layer,
  59     bool can_use_lcd_text,
  60     bool layers_always_allowed_lcd_text) {
  61   LayerTreeHostCommon::PreCalculateMetaInformation(root_layer);
  62
  63   EXPECT_TRUE(page_scale_layer || (page_scale_factor == 1.f));
  64   gfx::Transform identity_matrix;
  65   gfx::Size device_viewport_size =
  66       gfx::Size(root_layer->bounds().width() * device_scale_factor,
  67                 root_layer->bounds().height() * device_scale_factor);
  68
  69   // We are probably not testing what is intended if the root_layer bounds are
  70   // empty.
  71   DCHECK(!root_layer->bounds().IsEmpty());
  72   LayerTreeHostCommon::CalcDrawPropsMainInputs inputs(root_layer,
  73                                                       device_viewport_size);
  74   inputs.device_scale_factor = device_scale_factor;
  75   inputs.page_scale_factor = page_scale_factor;
  76   inputs.page_scale_layer = page_scale_layer;
  77   LayerTreeHostCommon::CalculateDrawProperties(&inputs);
  78 }
  79
  80 void LayerTreeHostCommonTestBase::
  81     ExecuteCalculateDrawPropertiesWithPropertyTrees(Layer* root_layer) {
  82   DCHECK(root_layer->layer_tree_host());
  83   LayerTreeHostCommon::PreCalculateMetaInformation(root_layer);
  84
  85   gfx::Transform identity_transform;
  86   bool preserves_2d_axis_alignment = false;
  87   bool can_render_to_separate_surface = true;
  88   LayerTreeHostCommon::UpdateRenderSurfaces(
  89       root_layer, can_render_to_separate_surface, identity_transform,
  90       preserves_2d_axis_alignment);
  91
  92   Layer* page_scale_layer = nullptr;
  93   Layer* inner_viewport_scroll_layer =
  94       root_layer->layer_tree_host()->inner_viewport_scroll_layer();
  95   Layer* outer_viewport_scroll_layer =
  96       root_layer->layer_tree_host()->outer_viewport_scroll_layer();
  97   float page_scale_factor = 1.f;
  98   float device_scale_factor = 1.f;
  99   gfx::Size device_viewport_size =
 100       gfx::Size(root_layer->bounds().width() * device_scale_factor,
 101                 root_layer->bounds().height() * device_scale_factor);
 102   BuildPropertyTreesAndComputeVisibleRects(
 103       root_layer, page_scale_layer, inner_viewport_scroll_layer,
 104       outer_viewport_scroll_layer, page_scale_factor, device_scale_factor,
 105       gfx::Rect(device_viewport_size), identity_transform,
 106       root_layer->layer_tree_host()->property_trees(), &update_layer_list_);
 107 }
 108
 109 void LayerTreeHostCommonTestBase::
 110     ExecuteCalculateDrawPropertiesWithPropertyTrees(LayerImpl* root_layer) {
 111   DCHECK(root_layer->layer_tree_impl());
 112   LayerTreeHostCommon::PreCalculateMetaInformationForTesting(root_layer);
 113
 114   gfx::Transform identity_transform;
 115   LayerImpl* page_scale_layer = nullptr;
 116   LayerImpl* inner_viewport_scroll_layer =
 117       root_layer->layer_tree_impl()->InnerViewportScrollLayer();
 118   LayerImpl* outer_viewport_scroll_layer =
 119       root_layer->layer_tree_impl()->OuterViewportScrollLayer();
 120   float page_scale_factor = 1.f;
 121   float device_scale_factor = 1.f;
 122   gfx::Size device_viewport_size =
 123       gfx::Size(root_layer->bounds().width() * device_scale_factor,
 124                 root_layer->bounds().height() * device_scale_factor);
 125   std::vector<LayerImpl*> update_layer_list;
 126   BuildPropertyTreesAndComputeVisibleRects(
 127       root_layer, page_scale_layer, inner_viewport_scroll_layer,
 128       outer_viewport_scroll_layer, page_scale_factor, device_scale_factor,
 129       gfx::Rect(device_viewport_size), identity_transform,
 130       root_layer->layer_tree_impl()->property_trees(), &update_layer_list);
 131 }
 132
 133 void LayerTreeHostCommonTestBase::ExecuteCalculateDrawProperties(
 134     LayerImpl* root_layer,
 135     float device_scale_factor,
 136     float page_scale_factor,
 137     LayerImpl* page_scale_layer,
 138     bool can_use_lcd_text,
 139     bool layers_always_allowed_lcd_text) {
 140   host_impl()->SetDeviceScaleFactor(device_scale_factor);
 141   host_impl()->active_tree()->SetPageScaleOnActiveTree(page_scale_factor);
 142
 143   gfx::Transform identity_matrix;
 144   gfx::Size device_viewport_size =
 145       gfx::Size(root_layer->bounds().width() * device_scale_factor,
 146                 root_layer->bounds().height() * device_scale_factor);
 147
 148   render_surface_layer_list_impl_.reset(new LayerImplList);
 149
 150   // We are probably not testing what is intended if the root_layer bounds are
 151   // empty.
 152   DCHECK(!root_layer->bounds().IsEmpty());
 153   LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
 154       root_layer, device_viewport_size, render_surface_layer_list_impl_.get());
 155   inputs.device_scale_factor = device_scale_factor;
 156   inputs.page_scale_factor = page_scale_factor;
 157   inputs.page_scale_layer = page_scale_layer;
 158   inputs.can_use_lcd_text = can_use_lcd_text;
 159   inputs.layers_always_allowed_lcd_text = layers_always_allowed_lcd_text;
 160   inputs.can_adjust_raster_scales = true;
 161
 162   ++render_surface_layer_list_count_;
 163   inputs.current_render_surface_layer_list_id =
 164       render_surface_layer_list_count_;
 165
 166   LayerTreeHostCommon::CalculateDrawProperties(&inputs);
 167 }
 168
 169 bool LayerTreeHostCommonTestBase::UpdateLayerListContains(int id) const {
 170   for (size_t i = 0; i < update_layer_list_.size(); ++i) {
 171     if (update_layer_list_[i]->id() == id)
 172       return true;
 173   }
 174   return false;
 175 }
 176
 177 LayerTreeHostCommonTest::LayerTreeHostCommonTest()
 178     : LayerTreeHostCommonTestBase(LayerTreeSettings()) {
 179 }
 180
 181 LayerTreeHostCommonTest::LayerTreeHostCommonTest(
 182     const LayerTreeSettings& settings)
 183     : LayerTreeHostCommonTestBase(settings) {
 184 }
 185
 186 }  // namespace cc