| // Copyright 2012 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/layers/layer_iterator.h" |
| |
| #include <vector> |
| |
| #include "base/memory/ptr_util.h" |
| #include "cc/layers/layer.h" |
| #include "cc/test/fake_layer_tree_host.h" |
| #include "cc/test/test_task_graph_runner.h" |
| #include "cc/trees/layer_tree_host_common.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/gfx/transform.h" |
| |
| using ::testing::Mock; |
| using ::testing::_; |
| using ::testing::AtLeast; |
| using ::testing::AnyNumber; |
| |
| namespace cc { |
| namespace { |
| |
| class TestLayerImpl : public LayerImpl { |
| public: |
| static std::unique_ptr<TestLayerImpl> Create(LayerTreeImpl* tree, int id) { |
| return base::WrapUnique(new TestLayerImpl(tree, id)); |
| } |
| ~TestLayerImpl() override {} |
| |
| int count_representing_target_surface_; |
| int count_representing_contributing_surface_; |
| int count_representing_itself_; |
| |
| private: |
| explicit TestLayerImpl(LayerTreeImpl* tree, int id) |
| : LayerImpl(tree, id), |
| count_representing_target_surface_(-1), |
| count_representing_contributing_surface_(-1), |
| count_representing_itself_(-1) { |
| SetBounds(gfx::Size(100, 100)); |
| SetPosition(gfx::PointF()); |
| SetDrawsContent(true); |
| } |
| }; |
| |
| #define EXPECT_COUNT(layer, target, contrib, itself) \ |
| EXPECT_EQ(target, layer->count_representing_target_surface_); \ |
| EXPECT_EQ(contrib, layer->count_representing_contributing_surface_); \ |
| EXPECT_EQ(itself, layer->count_representing_itself_); |
| |
| void ResetCounts(LayerImplList* render_surface_layer_list) { |
| for (unsigned surface_index = 0; |
| surface_index < render_surface_layer_list->size(); |
| ++surface_index) { |
| TestLayerImpl* render_surface_layer = static_cast<TestLayerImpl*>( |
| render_surface_layer_list->at(surface_index)); |
| RenderSurfaceImpl* render_surface = |
| render_surface_layer->GetRenderSurface(); |
| |
| render_surface_layer->count_representing_target_surface_ = -1; |
| render_surface_layer->count_representing_contributing_surface_ = -1; |
| render_surface_layer->count_representing_itself_ = -1; |
| |
| for (unsigned layer_index = 0; |
| layer_index < render_surface->layer_list().size(); |
| ++layer_index) { |
| TestLayerImpl* layer = static_cast<TestLayerImpl*>( |
| render_surface->layer_list()[layer_index]); |
| |
| layer->count_representing_target_surface_ = -1; |
| layer->count_representing_contributing_surface_ = -1; |
| layer->count_representing_itself_ = -1; |
| } |
| } |
| } |
| |
| void IterateFrontToBack(LayerImplList* render_surface_layer_list) { |
| ResetCounts(render_surface_layer_list); |
| int count = 0; |
| for (LayerIterator it = LayerIterator::Begin(render_surface_layer_list); |
| it != LayerIterator::End(render_surface_layer_list); ++it, ++count) { |
| TestLayerImpl* layer = static_cast<TestLayerImpl*>(*it); |
| if (it.represents_target_render_surface()) |
| layer->count_representing_target_surface_ = count; |
| if (it.represents_contributing_render_surface()) |
| layer->count_representing_contributing_surface_ = count; |
| if (it.represents_itself()) |
| layer->count_representing_itself_ = count; |
| } |
| } |
| |
| class LayerIteratorTest : public testing::Test { |
| public: |
| LayerIteratorTest() |
| : host_impl_(&task_runner_provider_, &task_graph_runner_), id_(1) {} |
| |
| std::unique_ptr<TestLayerImpl> CreateLayer() { |
| return TestLayerImpl::Create(host_impl_.active_tree(), id_++); |
| } |
| |
| protected: |
| FakeImplTaskRunnerProvider task_runner_provider_; |
| TestTaskGraphRunner task_graph_runner_; |
| FakeLayerTreeHostImpl host_impl_; |
| |
| int id_; |
| }; |
| |
| TEST_F(LayerIteratorTest, EmptyTree) { |
| LayerImplList render_surface_layer_list; |
| |
| IterateFrontToBack(&render_surface_layer_list); |
| } |
| |
| TEST_F(LayerIteratorTest, SimpleTree) { |
| std::unique_ptr<TestLayerImpl> root_layer = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> first = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> second = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> third = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> fourth = CreateLayer(); |
| |
| TestLayerImpl* root_ptr = root_layer.get(); |
| TestLayerImpl* first_ptr = first.get(); |
| TestLayerImpl* second_ptr = second.get(); |
| TestLayerImpl* third_ptr = third.get(); |
| TestLayerImpl* fourth_ptr = fourth.get(); |
| |
| root_layer->test_properties()->AddChild(std::move(first)); |
| root_layer->test_properties()->AddChild(std::move(second)); |
| root_layer->test_properties()->AddChild(std::move(third)); |
| root_layer->test_properties()->AddChild(std::move(fourth)); |
| |
| host_impl_.active_tree()->SetRootLayerForTesting(std::move(root_layer)); |
| |
| LayerImplList render_surface_layer_list; |
| LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs( |
| root_ptr, root_ptr->bounds(), &render_surface_layer_list); |
| LayerTreeHostCommon::CalculateDrawPropertiesForTesting(&inputs); |
| |
| IterateFrontToBack(&render_surface_layer_list); |
| EXPECT_COUNT(root_ptr, 5, -1, 4); |
| EXPECT_COUNT(first_ptr, -1, -1, 3); |
| EXPECT_COUNT(second_ptr, -1, -1, 2); |
| EXPECT_COUNT(third_ptr, -1, -1, 1); |
| EXPECT_COUNT(fourth_ptr, -1, -1, 0); |
| } |
| |
| TEST_F(LayerIteratorTest, ComplexTree) { |
| std::unique_ptr<TestLayerImpl> root_layer = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root1 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root2 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root3 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root21 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root22 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root23 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root221 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root231 = CreateLayer(); |
| |
| TestLayerImpl* root_ptr = root_layer.get(); |
| TestLayerImpl* root1_ptr = root1.get(); |
| TestLayerImpl* root2_ptr = root2.get(); |
| TestLayerImpl* root3_ptr = root3.get(); |
| TestLayerImpl* root21_ptr = root21.get(); |
| TestLayerImpl* root22_ptr = root22.get(); |
| TestLayerImpl* root23_ptr = root23.get(); |
| TestLayerImpl* root221_ptr = root221.get(); |
| TestLayerImpl* root231_ptr = root231.get(); |
| |
| root22->test_properties()->AddChild(std::move(root221)); |
| root23->test_properties()->AddChild(std::move(root231)); |
| root2->test_properties()->AddChild(std::move(root21)); |
| root2->test_properties()->AddChild(std::move(root22)); |
| root2->test_properties()->AddChild(std::move(root23)); |
| root_layer->test_properties()->AddChild(std::move(root1)); |
| root_layer->test_properties()->AddChild(std::move(root2)); |
| root_layer->test_properties()->AddChild(std::move(root3)); |
| |
| host_impl_.active_tree()->SetRootLayerForTesting(std::move(root_layer)); |
| |
| LayerImplList render_surface_layer_list; |
| LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs( |
| root_ptr, root_ptr->bounds(), &render_surface_layer_list); |
| LayerTreeHostCommon::CalculateDrawPropertiesForTesting(&inputs); |
| |
| IterateFrontToBack(&render_surface_layer_list); |
| EXPECT_COUNT(root_ptr, 9, -1, 8); |
| EXPECT_COUNT(root1_ptr, -1, -1, 7); |
| EXPECT_COUNT(root2_ptr, -1, -1, 6); |
| EXPECT_COUNT(root21_ptr, -1, -1, 5); |
| EXPECT_COUNT(root22_ptr, -1, -1, 4); |
| EXPECT_COUNT(root221_ptr, -1, -1, 3); |
| EXPECT_COUNT(root23_ptr, -1, -1, 2); |
| EXPECT_COUNT(root231_ptr, -1, -1, 1); |
| EXPECT_COUNT(root3_ptr, -1, -1, 0); |
| } |
| |
| TEST_F(LayerIteratorTest, ComplexTreeMultiSurface) { |
| std::unique_ptr<TestLayerImpl> root_layer = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root1 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root2 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root3 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root21 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root22 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root23 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root221 = CreateLayer(); |
| std::unique_ptr<TestLayerImpl> root231 = CreateLayer(); |
| |
| TestLayerImpl* root_ptr = root_layer.get(); |
| TestLayerImpl* root1_ptr = root1.get(); |
| TestLayerImpl* root2_ptr = root2.get(); |
| TestLayerImpl* root3_ptr = root3.get(); |
| TestLayerImpl* root21_ptr = root21.get(); |
| TestLayerImpl* root22_ptr = root22.get(); |
| TestLayerImpl* root23_ptr = root23.get(); |
| TestLayerImpl* root221_ptr = root221.get(); |
| TestLayerImpl* root231_ptr = root231.get(); |
| |
| root22->test_properties()->force_render_surface = true; |
| root23->test_properties()->force_render_surface = true; |
| root2->test_properties()->force_render_surface = true; |
| root22->test_properties()->AddChild(std::move(root221)); |
| root23->test_properties()->AddChild(std::move(root231)); |
| root2->SetDrawsContent(false); |
| root2->test_properties()->AddChild(std::move(root21)); |
| root2->test_properties()->AddChild(std::move(root22)); |
| root2->test_properties()->AddChild(std::move(root23)); |
| root_layer->test_properties()->AddChild(std::move(root1)); |
| root_layer->test_properties()->AddChild(std::move(root2)); |
| root_layer->test_properties()->AddChild(std::move(root3)); |
| |
| host_impl_.active_tree()->SetRootLayerForTesting(std::move(root_layer)); |
| |
| LayerImplList render_surface_layer_list; |
| LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs( |
| root_ptr, root_ptr->bounds(), &render_surface_layer_list); |
| LayerTreeHostCommon::CalculateDrawPropertiesForTesting(&inputs); |
| |
| IterateFrontToBack(&render_surface_layer_list); |
| EXPECT_COUNT(root_ptr, 14, -1, 13); |
| EXPECT_COUNT(root1_ptr, -1, -1, 12); |
| EXPECT_COUNT(root2_ptr, 10, 11, -1); |
| EXPECT_COUNT(root21_ptr, -1, -1, 9); |
| EXPECT_COUNT(root22_ptr, 7, 8, 6); |
| EXPECT_COUNT(root221_ptr, -1, -1, 5); |
| EXPECT_COUNT(root23_ptr, 3, 4, 2); |
| EXPECT_COUNT(root231_ptr, -1, -1, 1); |
| EXPECT_COUNT(root3_ptr, -1, -1, 0); |
| } |
| |
| } // namespace |
| } // namespace cc |