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   EXPECT_TRUE(page_scale_layer || (page_scale_factor == 1.f));
  62   gfx::Transform identity_matrix;
  63   gfx::Size device_viewport_size =
  64       gfx::Size(root_layer->bounds().width() * device_scale_factor,
  65                 root_layer->bounds().height() * device_scale_factor);
  66
  67   render_surface_layer_list_.reset(new RenderSurfaceLayerList);
  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::CalcDrawPropsMainInputsForTesting inputs(
  73       root_layer, device_viewport_size, render_surface_layer_list_.get());
  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   inputs.can_use_lcd_text = can_use_lcd_text;
  78   inputs.layers_always_allowed_lcd_text = layers_always_allowed_lcd_text;
  79   inputs.can_adjust_raster_scales = true;
  80   LayerTreeHostCommon::CalculateDrawProperties(&inputs);
  81 }
  82
  83 void LayerTreeHostCommonTestBase::
  84     ExecuteCalculateDrawPropertiesWithPropertyTrees(Layer* root_layer) {
  85   DCHECK(root_layer->layer_tree_host());
  86   LayerTreeHostCommon::PreCalculateMetaInformation(root_layer);
  87
  88   gfx::Transform identity_transform;
  89   bool preserves_2d_axis_alignment = false;
  90   bool can_render_to_separate_surface = true;
  91   LayerTreeHostCommon::UpdateRenderSurfaces(
  92       root_layer, can_render_to_separate_surface, identity_transform,
  93       preserves_2d_axis_alignment);
  94
  95   Layer* page_scale_layer = nullptr;
  96   Layer* inner_viewport_scroll_layer =
  97       root_layer->layer_tree_host()->inner_viewport_scroll_layer();
  98   Layer* outer_viewport_scroll_layer =
  99       root_layer->layer_tree_host()->outer_viewport_scroll_layer();
 100   float page_scale_factor = 1.f;
 101   float device_scale_factor = 1.f;
 102   gfx::Size device_viewport_size =
 103       gfx::Size(root_layer->bounds().width() * device_scale_factor,
 104                 root_layer->bounds().height() * device_scale_factor);
 105   BuildPropertyTreesAndComputeVisibleRects(
 106       root_layer, page_scale_layer, inner_viewport_scroll_layer,
 107       outer_viewport_scroll_layer, page_scale_factor, device_scale_factor,
 108       gfx::Rect(device_viewport_size), identity_transform,
 109       root_layer->layer_tree_host()->property_trees(), &update_layer_list_);
 110 }
 111
 112 void LayerTreeHostCommonTestBase::
 113     ExecuteCalculateDrawPropertiesWithPropertyTrees(LayerImpl* root_layer) {
 114   DCHECK(root_layer->layer_tree_impl());
 115   LayerTreeHostCommon::PreCalculateMetaInformationForTesting(root_layer);
 116
 117   gfx::Transform identity_transform;
 118   LayerImpl* page_scale_layer = nullptr;
 119   LayerImpl* inner_viewport_scroll_layer =
 120       root_layer->layer_tree_impl()->InnerViewportScrollLayer();
 121   LayerImpl* outer_viewport_scroll_layer =
 122       root_layer->layer_tree_impl()->OuterViewportScrollLayer();
 123   float page_scale_factor = 1.f;
 124   float device_scale_factor = 1.f;
 125   gfx::Size device_viewport_size =
 126       gfx::Size(root_layer->bounds().width() * device_scale_factor,
 127                 root_layer->bounds().height() * device_scale_factor);
 128   std::vector<LayerImpl*> update_layer_list;
 129   BuildPropertyTreesAndComputeVisibleRects(
 130       root_layer, page_scale_layer, inner_viewport_scroll_layer,
 131       outer_viewport_scroll_layer, page_scale_factor, device_scale_factor,
 132       gfx::Rect(device_viewport_size), identity_transform,
 133       root_layer->layer_tree_impl()->property_trees(), &update_layer_list);
 134 }
 135
 136 void LayerTreeHostCommonTestBase::ExecuteCalculateDrawProperties(
 137     LayerImpl* root_layer,
 138     float device_scale_factor,
 139     float page_scale_factor,
 140     LayerImpl* page_scale_layer,
 141     bool can_use_lcd_text,
 142     bool layers_always_allowed_lcd_text) {
 143   host_impl()->SetDeviceScaleFactor(device_scale_factor);
 144   host_impl()->SetPageScaleOnActiveTree(page_scale_factor);
 145
 146   gfx::Transform identity_matrix;
 147   gfx::Size device_viewport_size =
 148       gfx::Size(root_layer->bounds().width() * device_scale_factor,
 149                 root_layer->bounds().height() * device_scale_factor);
 150
 151   render_surface_layer_list_impl_.reset(new LayerImplList);
 152
 153   // We are probably not testing what is intended if the root_layer bounds are
 154   // empty.
 155   DCHECK(!root_layer->bounds().IsEmpty());
 156   LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
 157       root_layer, device_viewport_size, render_surface_layer_list_impl_.get());
 158   inputs.device_scale_factor = device_scale_factor;
 159   inputs.page_scale_factor = page_scale_factor;
 160   inputs.page_scale_layer = page_scale_layer;
 161   inputs.can_use_lcd_text = can_use_lcd_text;
 162   inputs.layers_always_allowed_lcd_text = layers_always_allowed_lcd_text;
 163   inputs.can_adjust_raster_scales = true;
 164
 165   ++render_surface_layer_list_count_;
 166   inputs.current_render_surface_layer_list_id =
 167       render_surface_layer_list_count_;
 168
 169   LayerTreeHostCommon::CalculateDrawProperties(&inputs);
 170 }
 171
 172 bool LayerTreeHostCommonTestBase::UpdateLayerListContains(int id) const {
 173   for (size_t i = 0; i < update_layer_list_.size(); ++i) {
 174     if (update_layer_list_[i]->id() == id)
 175       return true;
 176   }
 177   return false;
 178 }
 179
 180 LayerTreeHostCommonTest::LayerTreeHostCommonTest()
 181     : LayerTreeHostCommonTestBase(LayerTreeSettings()) {
 182 }
 183
 184 LayerTreeHostCommonTest::LayerTreeHostCommonTest(
 185     const LayerTreeSettings& settings)
 186     : LayerTreeHostCommonTestBase(settings) {
 187 }
 188
 189 }  // namespace cc