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Side by Side Diff: cc/layers/layer_iterator_unittest.cc

Issue 2751783002: cc: Replace LayerIterator with iterator that walks layer list and effect tree (Closed)
Patch Set: Rebase Created 3 years, 8 months ago
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1 // Copyright 2012 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/layers/layer_iterator.h"
6
7 #include <vector>
8
9 #include "base/memory/ptr_util.h"
10 #include "cc/layers/layer.h"
11 #include "cc/test/fake_layer_tree_host.h"
12 #include "cc/test/test_task_graph_runner.h"
13 #include "cc/trees/layer_tree_host_common.h"
14 #include "testing/gmock/include/gmock/gmock.h"
15 #include "testing/gtest/include/gtest/gtest.h"
16 #include "ui/gfx/transform.h"
17
18 using ::testing::Mock;
19 using ::testing::_;
20 using ::testing::AtLeast;
21 using ::testing::AnyNumber;
22
23 namespace cc {
24 namespace {
25
26 class TestLayerImpl : public LayerImpl {
27 public:
28 static std::unique_ptr<TestLayerImpl> Create(LayerTreeImpl* tree, int id) {
29 return base::WrapUnique(new TestLayerImpl(tree, id));
30 }
31 ~TestLayerImpl() override {}
32
33 int count_representing_target_surface_;
34 int count_representing_contributing_surface_;
35 int count_representing_itself_;
36
37 private:
38 explicit TestLayerImpl(LayerTreeImpl* tree, int id)
39 : LayerImpl(tree, id),
40 count_representing_target_surface_(-1),
41 count_representing_contributing_surface_(-1),
42 count_representing_itself_(-1) {
43 SetBounds(gfx::Size(100, 100));
44 SetPosition(gfx::PointF());
45 SetDrawsContent(true);
46 }
47 };
48
49 #define EXPECT_COUNT(layer, target, contrib, itself) \
50 EXPECT_EQ(target, layer->count_representing_target_surface_); \
51 EXPECT_EQ(contrib, layer->count_representing_contributing_surface_); \
52 EXPECT_EQ(itself, layer->count_representing_itself_);
53
54 void ResetCounts(LayerImplList* render_surface_layer_list) {
55 for (unsigned surface_index = 0;
56 surface_index < render_surface_layer_list->size();
57 ++surface_index) {
58 TestLayerImpl* render_surface_layer = static_cast<TestLayerImpl*>(
59 render_surface_layer_list->at(surface_index));
60 RenderSurfaceImpl* render_surface =
61 render_surface_layer->GetRenderSurface();
62
63 render_surface_layer->count_representing_target_surface_ = -1;
64 render_surface_layer->count_representing_contributing_surface_ = -1;
65 render_surface_layer->count_representing_itself_ = -1;
66
67 for (unsigned layer_index = 0;
68 layer_index < render_surface->layer_list().size();
69 ++layer_index) {
70 TestLayerImpl* layer = static_cast<TestLayerImpl*>(
71 render_surface->layer_list()[layer_index]);
72
73 layer->count_representing_target_surface_ = -1;
74 layer->count_representing_contributing_surface_ = -1;
75 layer->count_representing_itself_ = -1;
76 }
77 }
78 }
79
80 void IterateFrontToBack(LayerImplList* render_surface_layer_list) {
81 ResetCounts(render_surface_layer_list);
82 int count = 0;
83 for (LayerIterator it = LayerIterator::Begin(render_surface_layer_list);
84 it != LayerIterator::End(render_surface_layer_list); ++it, ++count) {
85 TestLayerImpl* layer = static_cast<TestLayerImpl*>(*it);
86 if (it.represents_target_render_surface())
87 layer->count_representing_target_surface_ = count;
88 if (it.represents_contributing_render_surface())
89 layer->count_representing_contributing_surface_ = count;
90 if (it.represents_itself())
91 layer->count_representing_itself_ = count;
92 }
93 }
94
95 class LayerIteratorTest : public testing::Test {
96 public:
97 LayerIteratorTest()
98 : host_impl_(&task_runner_provider_, &task_graph_runner_), id_(1) {}
99
100 std::unique_ptr<TestLayerImpl> CreateLayer() {
101 return TestLayerImpl::Create(host_impl_.active_tree(), id_++);
102 }
103
104 protected:
105 FakeImplTaskRunnerProvider task_runner_provider_;
106 TestTaskGraphRunner task_graph_runner_;
107 FakeLayerTreeHostImpl host_impl_;
108
109 int id_;
110 };
111
112 TEST_F(LayerIteratorTest, EmptyTree) {
113 LayerImplList render_surface_layer_list;
114
115 IterateFrontToBack(&render_surface_layer_list);
116 }
117
118 TEST_F(LayerIteratorTest, SimpleTree) {
119 std::unique_ptr<TestLayerImpl> root_layer = CreateLayer();
120 std::unique_ptr<TestLayerImpl> first = CreateLayer();
121 std::unique_ptr<TestLayerImpl> second = CreateLayer();
122 std::unique_ptr<TestLayerImpl> third = CreateLayer();
123 std::unique_ptr<TestLayerImpl> fourth = CreateLayer();
124
125 TestLayerImpl* root_ptr = root_layer.get();
126 TestLayerImpl* first_ptr = first.get();
127 TestLayerImpl* second_ptr = second.get();
128 TestLayerImpl* third_ptr = third.get();
129 TestLayerImpl* fourth_ptr = fourth.get();
130
131 root_layer->test_properties()->AddChild(std::move(first));
132 root_layer->test_properties()->AddChild(std::move(second));
133 root_layer->test_properties()->AddChild(std::move(third));
134 root_layer->test_properties()->AddChild(std::move(fourth));
135
136 host_impl_.active_tree()->SetRootLayerForTesting(std::move(root_layer));
137
138 LayerImplList render_surface_layer_list;
139 LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
140 root_ptr, root_ptr->bounds(), &render_surface_layer_list);
141 LayerTreeHostCommon::CalculateDrawPropertiesForTesting(&inputs);
142
143 IterateFrontToBack(&render_surface_layer_list);
144 EXPECT_COUNT(root_ptr, 5, -1, 4);
145 EXPECT_COUNT(first_ptr, -1, -1, 3);
146 EXPECT_COUNT(second_ptr, -1, -1, 2);
147 EXPECT_COUNT(third_ptr, -1, -1, 1);
148 EXPECT_COUNT(fourth_ptr, -1, -1, 0);
149 }
150
151 TEST_F(LayerIteratorTest, ComplexTree) {
152 std::unique_ptr<TestLayerImpl> root_layer = CreateLayer();
153 std::unique_ptr<TestLayerImpl> root1 = CreateLayer();
154 std::unique_ptr<TestLayerImpl> root2 = CreateLayer();
155 std::unique_ptr<TestLayerImpl> root3 = CreateLayer();
156 std::unique_ptr<TestLayerImpl> root21 = CreateLayer();
157 std::unique_ptr<TestLayerImpl> root22 = CreateLayer();
158 std::unique_ptr<TestLayerImpl> root23 = CreateLayer();
159 std::unique_ptr<TestLayerImpl> root221 = CreateLayer();
160 std::unique_ptr<TestLayerImpl> root231 = CreateLayer();
161
162 TestLayerImpl* root_ptr = root_layer.get();
163 TestLayerImpl* root1_ptr = root1.get();
164 TestLayerImpl* root2_ptr = root2.get();
165 TestLayerImpl* root3_ptr = root3.get();
166 TestLayerImpl* root21_ptr = root21.get();
167 TestLayerImpl* root22_ptr = root22.get();
168 TestLayerImpl* root23_ptr = root23.get();
169 TestLayerImpl* root221_ptr = root221.get();
170 TestLayerImpl* root231_ptr = root231.get();
171
172 root22->test_properties()->AddChild(std::move(root221));
173 root23->test_properties()->AddChild(std::move(root231));
174 root2->test_properties()->AddChild(std::move(root21));
175 root2->test_properties()->AddChild(std::move(root22));
176 root2->test_properties()->AddChild(std::move(root23));
177 root_layer->test_properties()->AddChild(std::move(root1));
178 root_layer->test_properties()->AddChild(std::move(root2));
179 root_layer->test_properties()->AddChild(std::move(root3));
180
181 host_impl_.active_tree()->SetRootLayerForTesting(std::move(root_layer));
182
183 LayerImplList render_surface_layer_list;
184 LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
185 root_ptr, root_ptr->bounds(), &render_surface_layer_list);
186 LayerTreeHostCommon::CalculateDrawPropertiesForTesting(&inputs);
187
188 IterateFrontToBack(&render_surface_layer_list);
189 EXPECT_COUNT(root_ptr, 9, -1, 8);
190 EXPECT_COUNT(root1_ptr, -1, -1, 7);
191 EXPECT_COUNT(root2_ptr, -1, -1, 6);
192 EXPECT_COUNT(root21_ptr, -1, -1, 5);
193 EXPECT_COUNT(root22_ptr, -1, -1, 4);
194 EXPECT_COUNT(root221_ptr, -1, -1, 3);
195 EXPECT_COUNT(root23_ptr, -1, -1, 2);
196 EXPECT_COUNT(root231_ptr, -1, -1, 1);
197 EXPECT_COUNT(root3_ptr, -1, -1, 0);
198 }
199
200 TEST_F(LayerIteratorTest, ComplexTreeMultiSurface) {
201 std::unique_ptr<TestLayerImpl> root_layer = CreateLayer();
202 std::unique_ptr<TestLayerImpl> root1 = CreateLayer();
203 std::unique_ptr<TestLayerImpl> root2 = CreateLayer();
204 std::unique_ptr<TestLayerImpl> root3 = CreateLayer();
205 std::unique_ptr<TestLayerImpl> root21 = CreateLayer();
206 std::unique_ptr<TestLayerImpl> root22 = CreateLayer();
207 std::unique_ptr<TestLayerImpl> root23 = CreateLayer();
208 std::unique_ptr<TestLayerImpl> root221 = CreateLayer();
209 std::unique_ptr<TestLayerImpl> root231 = CreateLayer();
210
211 TestLayerImpl* root_ptr = root_layer.get();
212 TestLayerImpl* root1_ptr = root1.get();
213 TestLayerImpl* root2_ptr = root2.get();
214 TestLayerImpl* root3_ptr = root3.get();
215 TestLayerImpl* root21_ptr = root21.get();
216 TestLayerImpl* root22_ptr = root22.get();
217 TestLayerImpl* root23_ptr = root23.get();
218 TestLayerImpl* root221_ptr = root221.get();
219 TestLayerImpl* root231_ptr = root231.get();
220
221 root22->test_properties()->force_render_surface = true;
222 root23->test_properties()->force_render_surface = true;
223 root2->test_properties()->force_render_surface = true;
224 root22->test_properties()->AddChild(std::move(root221));
225 root23->test_properties()->AddChild(std::move(root231));
226 root2->SetDrawsContent(false);
227 root2->test_properties()->AddChild(std::move(root21));
228 root2->test_properties()->AddChild(std::move(root22));
229 root2->test_properties()->AddChild(std::move(root23));
230 root_layer->test_properties()->AddChild(std::move(root1));
231 root_layer->test_properties()->AddChild(std::move(root2));
232 root_layer->test_properties()->AddChild(std::move(root3));
233
234 host_impl_.active_tree()->SetRootLayerForTesting(std::move(root_layer));
235
236 LayerImplList render_surface_layer_list;
237 LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
238 root_ptr, root_ptr->bounds(), &render_surface_layer_list);
239 LayerTreeHostCommon::CalculateDrawPropertiesForTesting(&inputs);
240
241 IterateFrontToBack(&render_surface_layer_list);
242 EXPECT_COUNT(root_ptr, 14, -1, 13);
243 EXPECT_COUNT(root1_ptr, -1, -1, 12);
244 EXPECT_COUNT(root2_ptr, 10, 11, -1);
245 EXPECT_COUNT(root21_ptr, -1, -1, 9);
246 EXPECT_COUNT(root22_ptr, 7, 8, 6);
247 EXPECT_COUNT(root221_ptr, -1, -1, 5);
248 EXPECT_COUNT(root23_ptr, 3, 4, 2);
249 EXPECT_COUNT(root231_ptr, -1, -1, 1);
250 EXPECT_COUNT(root3_ptr, -1, -1, 0);
251 }
252
253 } // namespace
254 } // namespace cc
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