1 /*
2 * Copyright 2021 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 #undef LOG_TAG
18 #define LOG_TAG "LibSurfaceFlingerUnittests"
19
20 #include <gmock/gmock.h>
21 #include <gtest/gtest.h>
22 #include <gui/LayerMetadata.h>
23 #include <gui/SurfaceComposerClient.h>
24 #include <log/log.h>
25
26 #include "TestableSurfaceFlinger.h"
27 #include "mock/DisplayHardware/MockComposer.h"
28 #include "mock/MockEventThread.h"
29 #include "mock/MockVsyncController.h"
30
31 namespace android {
32
33 using testing::_;
34 using testing::Mock;
35 using testing::Return;
36 using FakeHwcDisplayInjector = TestableSurfaceFlinger::FakeHwcDisplayInjector;
37
38 class GameModeTest : public testing::Test {
39 public:
GameModeTest()40 GameModeTest() {
41 const ::testing::TestInfo* const test_info =
42 ::testing::UnitTest::GetInstance()->current_test_info();
43 ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
44 setupScheduler();
45 setupComposer();
46 }
47
~GameModeTest()48 ~GameModeTest() {
49 const ::testing::TestInfo* const test_info =
50 ::testing::UnitTest::GetInstance()->current_test_info();
51 ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
52 }
53
createBufferStateLayer()54 sp<BufferStateLayer> createBufferStateLayer() {
55 sp<Client> client;
56 LayerCreationArgs args(mFlinger.flinger(), client, "buffer-state-layer", 100, 100, 0,
57 LayerMetadata());
58 return new BufferStateLayer(args);
59 }
60
setupScheduler()61 void setupScheduler() {
62 auto eventThread = std::make_unique<mock::EventThread>();
63 auto sfEventThread = std::make_unique<mock::EventThread>();
64
65 EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
66 EXPECT_CALL(*eventThread, createEventConnection(_, _))
67 .WillOnce(Return(new EventThreadConnection(eventThread.get(), /*callingUid=*/0,
68 ResyncCallback())));
69
70 EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
71 EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
72 .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /*callingUid=*/0,
73 ResyncCallback())));
74
75 auto vsyncController = std::make_unique<mock::VsyncController>();
76 auto vsyncTracker = std::make_unique<mock::VSyncTracker>();
77
78 EXPECT_CALL(*vsyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));
79 EXPECT_CALL(*vsyncTracker, currentPeriod())
80 .WillRepeatedly(Return(FakeHwcDisplayInjector::DEFAULT_VSYNC_PERIOD));
81 EXPECT_CALL(*vsyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));
82 mFlinger.setupScheduler(std::move(vsyncController), std::move(vsyncTracker),
83 std::move(eventThread), std::move(sfEventThread));
84 }
85
setupComposer()86 void setupComposer() {
87 mComposer = new Hwc2::mock::Composer();
88 mFlinger.setupComposer(std::unique_ptr<Hwc2::Composer>(mComposer));
89
90 Mock::VerifyAndClear(mComposer);
91 }
92
93 // Mocks the behavior of applying a transaction from WMShell
setGameModeMetadata(sp<Layer> layer,int gameMode)94 void setGameModeMetadata(sp<Layer> layer, int gameMode) {
95 mLayerMetadata.setInt32(METADATA_GAME_MODE, gameMode);
96 layer->setMetadata(mLayerMetadata);
97 layer->setGameModeForTree(gameMode);
98 }
99
100 TestableSurfaceFlinger mFlinger;
101 Hwc2::mock::Composer* mComposer = nullptr;
102 client_cache_t mClientCache;
103 LayerMetadata mLayerMetadata;
104 };
105
TEST_F(GameModeTest,SetGameModeSetsForAllCurrentChildren)106 TEST_F(GameModeTest, SetGameModeSetsForAllCurrentChildren) {
107 sp<BufferStateLayer> rootLayer = createBufferStateLayer();
108 sp<BufferStateLayer> childLayer1 = createBufferStateLayer();
109 sp<BufferStateLayer> childLayer2 = createBufferStateLayer();
110 rootLayer->addChild(childLayer1);
111 rootLayer->addChild(childLayer2);
112 rootLayer->setGameModeForTree(/*gameMode*/ 2);
113
114 EXPECT_EQ(rootLayer->getGameMode(), 2);
115 EXPECT_EQ(childLayer1->getGameMode(), 2);
116 EXPECT_EQ(childLayer2->getGameMode(), 2);
117 }
118
TEST_F(GameModeTest,AddChildAppliesGameModeFromParent)119 TEST_F(GameModeTest, AddChildAppliesGameModeFromParent) {
120 sp<BufferStateLayer> rootLayer = createBufferStateLayer();
121 sp<BufferStateLayer> childLayer = createBufferStateLayer();
122 rootLayer->setGameModeForTree(/*gameMode*/ 2);
123 rootLayer->addChild(childLayer);
124
125 EXPECT_EQ(rootLayer->getGameMode(), 2);
126 EXPECT_EQ(childLayer->getGameMode(), 2);
127 }
128
TEST_F(GameModeTest,RemoveChildResetsGameMode)129 TEST_F(GameModeTest, RemoveChildResetsGameMode) {
130 sp<BufferStateLayer> rootLayer = createBufferStateLayer();
131 sp<BufferStateLayer> childLayer = createBufferStateLayer();
132 rootLayer->setGameModeForTree(/*gameMode*/ 2);
133 rootLayer->addChild(childLayer);
134
135 EXPECT_EQ(rootLayer->getGameMode(), 2);
136 EXPECT_EQ(childLayer->getGameMode(), 2);
137
138 rootLayer->removeChild(childLayer);
139 EXPECT_EQ(childLayer->getGameMode(), 0);
140 }
141
TEST_F(GameModeTest,ReparentingDoesNotOverrideMetadata)142 TEST_F(GameModeTest, ReparentingDoesNotOverrideMetadata) {
143 sp<BufferStateLayer> rootLayer = createBufferStateLayer();
144 sp<BufferStateLayer> childLayer1 = createBufferStateLayer();
145 sp<BufferStateLayer> childLayer2 = createBufferStateLayer();
146 rootLayer->setGameModeForTree(/*gameMode*/ 1);
147 rootLayer->addChild(childLayer1);
148
149 setGameModeMetadata(childLayer2, /*gameMode*/ 2);
150 rootLayer->addChild(childLayer2);
151
152 EXPECT_EQ(rootLayer->getGameMode(), 1);
153 EXPECT_EQ(childLayer1->getGameMode(), 1);
154 EXPECT_EQ(childLayer2->getGameMode(), 2);
155
156 rootLayer->removeChild(childLayer2);
157 EXPECT_EQ(childLayer2->getGameMode(), 2);
158 }
159 } // namespace android