cc: Move data to LayerTree from LayerTreeHost.

cc/test/layer_tree_host_common_test.cc

Index: cc/test/layer_tree_host_common_test.cc
diff --git a/cc/test/layer_tree_host_common_test.cc b/cc/test/layer_tree_host_common_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..06c9425bbf963f9a7cfa92f687d2c9354e486403
--- /dev/null
+++ b/cc/test/layer_tree_host_common_test.cc
@@ -0,0 +1,234 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "cc/test/layer_tree_host_common_test.h"
+
+#include <stddef.h>
+
+#include "cc/layers/layer.h"
+#include "cc/layers/layer_impl.h"
+#include "cc/test/fake_layer_tree_host.h"
+#include "cc/trees/draw_property_utils.h"
+#include "cc/trees/layer_tree_host_common.h"
+#include "cc/trees/property_tree_builder.h"
+
+namespace cc {
+LayerTreeHostCommonTestBase::LayerTreeHostCommonTestBase(
+    const LayerTreeSettings& settings)
+    : LayerTestCommon::LayerImplTest(settings) {}
+
+LayerTreeHostCommonTestBase::~LayerTreeHostCommonTestBase() {}
+
+void LayerTreeHostCommonTestBase::SetLayerPropertiesForTesting(
+    Layer* layer,
+    const gfx::Transform& transform,
+    const gfx::Point3F& transform_origin,
+    const gfx::PointF& position,
+    const gfx::Size& bounds,
+    bool flatten_transform,
+    bool is_3d_sorted) {
+  SetLayerPropertiesForTestingInternal(layer, transform, position, bounds,
+                                       is_3d_sorted);
+  layer->SetTransformOrigin(transform_origin);
+  layer->SetShouldFlattenTransform(flatten_transform);
+}
+
+void LayerTreeHostCommonTestBase::SetLayerPropertiesForTesting(
+    LayerImpl* layer,
+    const gfx::Transform& transform,
+    const gfx::Point3F& transform_origin,
+    const gfx::PointF& position,
+    const gfx::Size& bounds,
+    bool flatten_transform,
+    bool is_3d_sorted) {
+  SetLayerPropertiesForTestingInternal(layer, transform, position, bounds,
+                                       is_3d_sorted);
+  layer->test_properties()->transform_origin = transform_origin;
+  layer->test_properties()->should_flatten_transform = flatten_transform;
+}
+
+void LayerTreeHostCommonTestBase::SetLayerPropertiesForTesting(
+    LayerImpl* layer,
+    const gfx::Transform& transform,
+    const gfx::Point3F& transform_origin,
+    const gfx::PointF& position,
+    const gfx::Size& bounds,
+    bool flatten_transform,
+    bool is_3d_sorted,
+    bool create_render_surface) {
+  SetLayerPropertiesForTestingInternal(layer, transform, position, bounds,
+                                       is_3d_sorted);
+  layer->test_properties()->transform_origin = transform_origin;
+  layer->test_properties()->should_flatten_transform = flatten_transform;
+  if (create_render_surface) {
+    layer->test_properties()->force_render_surface = true;
+  }
+}
+
+void LayerTreeHostCommonTestBase::ExecuteCalculateDrawProperties(
+    Layer* root_layer,
+    float device_scale_factor,
+    float page_scale_factor,
+    Layer* page_scale_layer) {
+  PropertyTreeBuilder::PreCalculateMetaInformation(root_layer);
+
+  EXPECT_TRUE(page_scale_layer || (page_scale_factor == 1.f));
+  gfx::Transform identity_matrix;
+  gfx::Size device_viewport_size =
+      gfx::Size(root_layer->bounds().width() * device_scale_factor,
+                root_layer->bounds().height() * device_scale_factor);
+
+  // We are probably not testing what is intended if the root_layer bounds are
+  // empty.
+  DCHECK(!root_layer->bounds().IsEmpty());
+  LayerTreeHostCommon::CalcDrawPropsMainInputsForTesting inputs(
+      root_layer, device_viewport_size);
+  inputs.device_scale_factor = device_scale_factor;
+  inputs.page_scale_factor = page_scale_factor;
+  inputs.page_scale_layer = page_scale_layer;
+  LayerTreeHostCommon::CalculateDrawPropertiesForTesting(&inputs);
+}
+
+void LayerTreeHostCommonTestBase::
+    ExecuteCalculateDrawPropertiesWithPropertyTrees(Layer* root_layer) {
+  DCHECK(root_layer->layer_tree_host());
+  PropertyTreeBuilder::PreCalculateMetaInformation(root_layer);
+
+  gfx::Transform identity_transform;
+
+  bool can_render_to_separate_surface = true;
+
+  Layer* page_scale_layer = root_layer->GetLayerTree()->page_scale_layer();
+  Layer* inner_viewport_scroll_layer =
+      root_layer->GetLayerTree()->inner_viewport_scroll_layer();
+  Layer* outer_viewport_scroll_layer =
+      root_layer->GetLayerTree()->outer_viewport_scroll_layer();
+  Layer* overscroll_elasticity_layer =
+      root_layer->GetLayerTree()->overscroll_elasticity_layer();
+  gfx::Vector2dF elastic_overscroll =
+      root_layer->layer_tree_host()->elastic_overscroll();
+  float page_scale_factor = 1.f;
+  float device_scale_factor = 1.f;
+  gfx::Size device_viewport_size =
+      gfx::Size(root_layer->bounds().width() * device_scale_factor,
+                root_layer->bounds().height() * device_scale_factor);
+  PropertyTrees* property_trees =
+      root_layer->layer_tree_host()->property_trees();
+  update_layer_list_.clear();
+  PropertyTreeBuilder::BuildPropertyTrees(
+      root_layer, page_scale_layer, inner_viewport_scroll_layer,
+      outer_viewport_scroll_layer, overscroll_elasticity_layer,
+      elastic_overscroll, page_scale_factor, device_scale_factor,
+      gfx::Rect(device_viewport_size), identity_transform, property_trees);
+  draw_property_utils::UpdatePropertyTrees(property_trees,
+                                           can_render_to_separate_surface);
+  draw_property_utils::FindLayersThatNeedUpdates(
+      root_layer->layer_tree_host(), property_trees->transform_tree,
+      property_trees->effect_tree, &update_layer_list_);
+  draw_property_utils::ComputeVisibleRectsForTesting(
+      property_trees, can_render_to_separate_surface, &update_layer_list_);
+}
+
+void LayerTreeHostCommonTestBase::
+    ExecuteCalculateDrawPropertiesWithPropertyTrees(LayerImpl* root_layer) {
+  DCHECK(root_layer->layer_tree_impl());
+  PropertyTreeBuilder::PreCalculateMetaInformationForTesting(root_layer);
+
+  gfx::Transform identity_transform;
+
+  bool can_render_to_separate_surface = true;
+
+  LayerImpl* page_scale_layer = nullptr;
+  LayerImpl* inner_viewport_scroll_layer =
+      root_layer->layer_tree_impl()->InnerViewportScrollLayer();
+  LayerImpl* outer_viewport_scroll_layer =
+      root_layer->layer_tree_impl()->OuterViewportScrollLayer();
+  LayerImpl* overscroll_elasticity_layer =
+      root_layer->layer_tree_impl()->OverscrollElasticityLayer();
+  gfx::Vector2dF elastic_overscroll =
+      root_layer->layer_tree_impl()->elastic_overscroll()->Current(
+          root_layer->layer_tree_impl()->IsActiveTree());
+  float page_scale_factor = 1.f;
+  float device_scale_factor = 1.f;
+  gfx::Size device_viewport_size =
+      gfx::Size(root_layer->bounds().width() * device_scale_factor,
+                root_layer->bounds().height() * device_scale_factor);
+  update_layer_list_impl_.reset(new LayerImplList);
+  root_layer->layer_tree_impl()->BuildLayerListForTesting();
+  draw_property_utils::BuildPropertyTreesAndComputeVisibleRects(
+      root_layer, page_scale_layer, inner_viewport_scroll_layer,
+      outer_viewport_scroll_layer, overscroll_elasticity_layer,
+      elastic_overscroll, page_scale_factor, device_scale_factor,
+      gfx::Rect(device_viewport_size), identity_transform,
+      can_render_to_separate_surface,
+      root_layer->layer_tree_impl()->property_trees(),
+      update_layer_list_impl_.get());
+}
+
+void LayerTreeHostCommonTestBase::ExecuteCalculateDrawProperties(
+    LayerImpl* root_layer,
+    float device_scale_factor,
+    float page_scale_factor,
+    LayerImpl* page_scale_layer) {
+  if (device_scale_factor !=
+      root_layer->layer_tree_impl()->device_scale_factor())
+    root_layer->layer_tree_impl()->property_trees()->needs_rebuild = true;
+
+  root_layer->layer_tree_impl()->SetDeviceScaleFactor(device_scale_factor);
+
+  EXPECT_TRUE(page_scale_layer || (page_scale_factor == 1.f));
+
+  gfx::Transform identity_matrix;
+  gfx::Size device_viewport_size =
+      gfx::Size(root_layer->bounds().width() * device_scale_factor,
+                root_layer->bounds().height() * device_scale_factor);
+
+  render_surface_layer_list_impl_.reset(new LayerImplList);
+
+  // We are probably not testing what is intended if the root_layer bounds are
+  // empty.
+  DCHECK(!root_layer->bounds().IsEmpty());
+  LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
+      root_layer, device_viewport_size, render_surface_layer_list_impl_.get());
+  inputs.device_scale_factor = device_scale_factor;
+  inputs.page_scale_factor = page_scale_factor;
+  inputs.page_scale_layer = page_scale_layer;
+  inputs.can_adjust_raster_scales = true;
+
+  LayerTreeHostCommon::CalculateDrawPropertiesForTesting(&inputs);
+}
+
+void LayerTreeHostCommonTestBase::
+    ExecuteCalculateDrawPropertiesWithoutSeparateSurfaces(
+        LayerImpl* root_layer) {
+  gfx::Transform identity_matrix;
+  gfx::Size device_viewport_size =
+      gfx::Size(root_layer->bounds().width(), root_layer->bounds().height());
+  render_surface_layer_list_impl_.reset(new LayerImplList);
+
+  DCHECK(!root_layer->bounds().IsEmpty());
+  LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
+      root_layer, device_viewport_size, render_surface_layer_list_impl_.get());
+  inputs.can_adjust_raster_scales = true;
+  inputs.can_render_to_separate_surface = false;
+
+  LayerTreeHostCommon::CalculateDrawPropertiesForTesting(&inputs);
+}
+
+bool LayerTreeHostCommonTestBase::UpdateLayerListContains(int id) const {
+  for (size_t i = 0; i < update_layer_list_.size(); ++i) {
+    if (update_layer_list_[i]->id() == id)
+      return true;
+  }
+  return false;
+}
+
+LayerTreeHostCommonTest::LayerTreeHostCommonTest()
+    : LayerTreeHostCommonTestBase(LayerTreeHostCommonTestSettings()) {}
+
+LayerTreeHostCommonTest::LayerTreeHostCommonTest(
+    const LayerTreeSettings& settings)
+    : LayerTreeHostCommonTestBase(settings) {}
+
+}  // namespace cc