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     : client_(FakeLayerTreeHostClient::DIRECT_3D),
  17       render_surface_layer_list_count_(0) {
  18 }
  19
  20 LayerTreeHostCommonTestBase::~LayerTreeHostCommonTestBase() {
  21 }
  22
  23 void LayerTreeHostCommonTestBase::SetLayerPropertiesForTesting(
  24     Layer* layer,
  25     const gfx::Transform& transform,
  26     const gfx::Point3F& transform_origin,
  27     const gfx::PointF& position,
  28     const gfx::Size& bounds,
  29     bool flatten_transform,
  30     bool is_3d_sorted) {
  31   SetLayerPropertiesForTestingInternal(layer, transform, transform_origin,
  32                                        position, bounds, flatten_transform,
  33                                        is_3d_sorted);
  34 }
  35
  36 void LayerTreeHostCommonTestBase::SetLayerPropertiesForTesting(
  37     LayerImpl* layer,
  38     const gfx::Transform& transform,
  39     const gfx::Point3F& transform_origin,
  40     const gfx::PointF& position,
  41     const gfx::Size& bounds,
  42     bool flatten_transform,
  43     bool is_3d_sorted,
  44     bool create_render_surface) {
  45   SetLayerPropertiesForTestingInternal(layer, transform, transform_origin,
  46                                        position, bounds, flatten_transform,
  47                                        is_3d_sorted);
  48   if (create_render_surface) {
  49     layer->SetHasRenderSurface(true);
  50   }
  51
  52   layer->SetContentBounds(bounds);
  53 }
  54
  55 void LayerTreeHostCommonTestBase::ExecuteCalculateDrawProperties(
  56     Layer* root_layer,
  57     float device_scale_factor,
  58     float page_scale_factor,
  59     Layer* page_scale_layer,
  60     bool can_use_lcd_text,
  61     bool layers_always_allowed_lcd_text) {
  62   EXPECT_TRUE(page_scale_layer || (page_scale_factor == 1.f));
  63   gfx::Transform identity_matrix;
  64   gfx::Size device_viewport_size =
  65       gfx::Size(root_layer->bounds().width() * device_scale_factor,
  66                 root_layer->bounds().height() * device_scale_factor);
  67
  68   render_surface_layer_list_.reset(new RenderSurfaceLayerList);
  69
  70   // We are probably not testing what is intended if the root_layer bounds are
  71   // empty.
  72   DCHECK(!root_layer->bounds().IsEmpty());
  73   LayerTreeHostCommon::CalcDrawPropsMainInputsForTesting inputs(
  74       root_layer, device_viewport_size, render_surface_layer_list_.get());
  75   inputs.device_scale_factor = device_scale_factor;
  76   inputs.page_scale_factor = page_scale_factor;
  77   inputs.page_scale_layer = page_scale_layer;
  78   inputs.can_use_lcd_text = can_use_lcd_text;
  79   inputs.layers_always_allowed_lcd_text = layers_always_allowed_lcd_text;
  80   inputs.can_adjust_raster_scales = true;
  81   LayerTreeHostCommon::CalculateDrawProperties(&inputs);
  82 }
  83
  84 void LayerTreeHostCommonTestBase::
  85     ExecuteCalculateDrawPropertiesWithPropertyTrees(Layer* root_layer) {
  86   DCHECK(root_layer->layer_tree_host());
  87   LayerTreeHostCommon::PreCalculateMetaInformation(root_layer);
  88
  89   gfx::Transform identity_transform;
  90   bool preserves_2d_axis_alignment = false;
  91   bool can_render_to_separate_surface = true;
  92   LayerTreeHostCommon::UpdateRenderSurfaces(
  93       root_layer, can_render_to_separate_surface, identity_transform,
  94       preserves_2d_axis_alignment);
  95
  96   Layer* page_scale_layer = nullptr;
  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   LayerList update_layer_list;
 103   BuildPropertyTreesAndComputeVisibleRects(
 104       root_layer, page_scale_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   float page_scale_factor = 1.f;
 117   float device_scale_factor = 1.f;
 118   gfx::Size device_viewport_size =
 119       gfx::Size(root_layer->bounds().width() * device_scale_factor,
 120                 root_layer->bounds().height() * device_scale_factor);
 121   std::vector<LayerImpl*> update_layer_list;
 122   BuildPropertyTreesAndComputeVisibleRects(
 123       root_layer, page_scale_layer, page_scale_factor, device_scale_factor,
 124       gfx::Rect(device_viewport_size), identity_transform,
 125       root_layer->layer_tree_impl()->property_trees(), &update_layer_list);
 126 }
 127
 128 void LayerTreeHostCommonTestBase::ExecuteCalculateDrawProperties(
 129     LayerImpl* root_layer,
 130     float device_scale_factor,
 131     float page_scale_factor,
 132     LayerImpl* page_scale_layer,
 133     bool can_use_lcd_text,
 134     bool layers_always_allowed_lcd_text) {
 135   gfx::Transform identity_matrix;
 136   gfx::Size device_viewport_size =
 137       gfx::Size(root_layer->bounds().width() * device_scale_factor,
 138                 root_layer->bounds().height() * device_scale_factor);
 139
 140   render_surface_layer_list_impl_.reset(new LayerImplList);
 141
 142   // We are probably not testing what is intended if the root_layer bounds are
 143   // empty.
 144   DCHECK(!root_layer->bounds().IsEmpty());
 145   LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
 146       root_layer, device_viewport_size, render_surface_layer_list_impl_.get());
 147   inputs.device_scale_factor = device_scale_factor;
 148   inputs.page_scale_factor = page_scale_factor;
 149   inputs.page_scale_layer = page_scale_layer;
 150   inputs.can_use_lcd_text = can_use_lcd_text;
 151   inputs.layers_always_allowed_lcd_text = layers_always_allowed_lcd_text;
 152   inputs.can_adjust_raster_scales = true;
 153
 154   ++render_surface_layer_list_count_;
 155   inputs.current_render_surface_layer_list_id =
 156       render_surface_layer_list_count_;
 157
 158   LayerTreeHostCommon::CalculateDrawProperties(&inputs);
 159 }
 160
 161 scoped_ptr<FakeLayerTreeHost>
 162 LayerTreeHostCommonTestBase::CreateFakeLayerTreeHost() {
 163   return FakeLayerTreeHost::Create(&client_);
 164 }
 165
 166 }  // namespace cc