1 /*
2 * Copyright (C) 2024 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <memory>
18 #include <optional>
19
20 #include <benchmark/benchmark.h>
21
22 #include <Client.h> // temporarily needed for LayerCreationArgs
23 #include <FrontEnd/LayerCreationArgs.h>
24 #include <FrontEnd/LayerLifecycleManager.h>
25 #include <LayerLifecycleManagerHelper.h>
26
27 namespace android::surfaceflinger {
28
29 namespace {
30
31 using namespace android::surfaceflinger::frontend;
32
addRemoveLayers(benchmark::State & state)33 static void addRemoveLayers(benchmark::State& state) {
34 LayerLifecycleManager lifecycleManager;
35 for (auto _ : state) {
36 std::vector<std::unique_ptr<RequestedLayerState>> layers;
37 layers.emplace_back(LayerLifecycleManagerHelper::rootLayer(1));
38 layers.emplace_back(LayerLifecycleManagerHelper::rootLayer(2));
39 layers.emplace_back(LayerLifecycleManagerHelper::rootLayer(3));
40 lifecycleManager.addLayers(std::move(layers));
41 lifecycleManager.onHandlesDestroyed({{1, "1"}, {2, "2"}, {3, "3"}});
42 lifecycleManager.commitChanges();
43 }
44 }
45 BENCHMARK(addRemoveLayers);
46
updateClientStates(benchmark::State & state)47 static void updateClientStates(benchmark::State& state) {
48 LayerLifecycleManager lifecycleManager;
49 std::vector<std::unique_ptr<RequestedLayerState>> layers;
50 layers.emplace_back(LayerLifecycleManagerHelper::rootLayer(1));
51 lifecycleManager.addLayers(std::move(layers));
52 lifecycleManager.commitChanges();
53 std::vector<QueuedTransactionState> transactions;
54 transactions.emplace_back();
55 transactions.back().states.push_back({});
56 auto& transactionState = transactions.back().states.front();
57 transactionState.state.what = layer_state_t::eColorChanged;
58 transactionState.state.color.rgb = {0.f, 0.f, 0.f};
59 transactionState.layerId = 1;
60 lifecycleManager.applyTransactions(transactions);
61 lifecycleManager.commitChanges();
62 int i = 0;
63 for (auto s : state) {
64 if (i++ % 100 == 0) i = 0;
65 transactionState.state.color.b = static_cast<float>(i / 100.f);
66 lifecycleManager.applyTransactions(transactions);
67 lifecycleManager.commitChanges();
68 }
69 }
70 BENCHMARK(updateClientStates);
71
updateClientStatesNoChanges(benchmark::State & state)72 static void updateClientStatesNoChanges(benchmark::State& state) {
73 LayerLifecycleManager lifecycleManager;
74 std::vector<std::unique_ptr<RequestedLayerState>> layers;
75 layers.emplace_back(LayerLifecycleManagerHelper::rootLayer(1));
76 lifecycleManager.addLayers(std::move(layers));
77 std::vector<QueuedTransactionState> transactions;
78 transactions.emplace_back();
79 transactions.back().states.push_back({});
80 auto& transactionState = transactions.back().states.front();
81 transactionState.state.what = layer_state_t::eColorChanged;
82 transactionState.state.color.rgb = {0.f, 0.f, 0.f};
83 transactionState.layerId = 1;
84 lifecycleManager.applyTransactions(transactions);
85 lifecycleManager.commitChanges();
86 for (auto _ : state) {
87 lifecycleManager.applyTransactions(transactions);
88 lifecycleManager.commitChanges();
89 }
90 }
91 BENCHMARK(updateClientStatesNoChanges);
92
propagateManyHiddenChildren(benchmark::State & state)93 static void propagateManyHiddenChildren(benchmark::State& state) {
94 LayerLifecycleManager lifecycleManager;
95 LayerLifecycleManagerHelper helper(lifecycleManager);
96
97 helper.createRootLayer(0);
98 for (uint32_t i = 1; i < 50; ++i) {
99 helper.createLayer(i, i - 1);
100 }
101
102 helper.hideLayer(0);
103
104 LayerHierarchyBuilder hierarchyBuilder;
105 DisplayInfo info;
106 info.info.logicalHeight = 100;
107 info.info.logicalWidth = 100;
108 DisplayInfos displayInfos;
109 displayInfos.emplace_or_replace(ui::LayerStack::fromValue(1), info);
110 ShadowSettings globalShadowSettings;
111
112 LayerSnapshotBuilder snapshotBuilder;
113
114 int i = 1;
115 for (auto _ : state) {
116 i++;
117 helper.setAlpha(0, (1 + (i % 255)) / 255.0f);
118
119 if (lifecycleManager.getGlobalChanges().test(RequestedLayerState::Changes::Hierarchy)) {
120 hierarchyBuilder.update(lifecycleManager);
121 }
122 LayerSnapshotBuilder::Args args{.root = hierarchyBuilder.getHierarchy(),
123 .layerLifecycleManager = lifecycleManager,
124 .displays = displayInfos,
125 .globalShadowSettings = globalShadowSettings,
126 .supportedLayerGenericMetadata = {},
127 .genericLayerMetadataKeyMap = {}};
128 snapshotBuilder.update(args);
129 lifecycleManager.commitChanges();
130 }
131 }
132 BENCHMARK(propagateManyHiddenChildren);
133
134 } // namespace
135 } // namespace android::surfaceflinger
136