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 #define LOG_TAG "Choreographer_test"
18
19 #include <android-base/stringprintf.h>
20 #include <android/choreographer.h>
21 #include <gtest/gtest.h>
22 #include <gui/Choreographer.h>
23 #include <utils/Looper.h>
24 #include <chrono>
25 #include <future>
26 #include <string>
27
28 namespace android {
29 class ChoreographerTest : public ::testing::Test {};
30
31 struct VsyncCallback {
32 std::atomic<bool> completePromise{false};
33 std::chrono::nanoseconds frameTime{0LL};
34 std::chrono::nanoseconds receivedCallbackTime{0LL};
35
onVsyncCallbackandroid::VsyncCallback36 void onVsyncCallback(const AChoreographerFrameCallbackData* callbackData) {
37 frameTime = std::chrono::nanoseconds{
38 AChoreographerFrameCallbackData_getFrameTimeNanos(callbackData)};
39 receivedCallbackTime = std::chrono::nanoseconds{systemTime(SYSTEM_TIME_MONOTONIC)};
40 completePromise.store(true);
41 }
42
callbackReceivedandroid::VsyncCallback43 bool callbackReceived() { return completePromise.load(); }
44 };
45
vsyncCallback(const AChoreographerFrameCallbackData * callbackData,void * data)46 static void vsyncCallback(const AChoreographerFrameCallbackData* callbackData, void* data) {
47 VsyncCallback* cb = static_cast<VsyncCallback*>(data);
48 cb->onVsyncCallback(callbackData);
49 }
50
TEST_F(ChoreographerTest,InputCallbackBeforeAnimation)51 TEST_F(ChoreographerTest, InputCallbackBeforeAnimation) {
52 sp<Looper> looper = Looper::prepare(0);
53 Choreographer* choreographer = Choreographer::getForThread();
54 VsyncCallback animationCb;
55 VsyncCallback inputCb;
56
57 choreographer->postFrameCallbackDelayed(nullptr, nullptr, vsyncCallback, &animationCb, 0,
58 CALLBACK_ANIMATION);
59 choreographer->postFrameCallbackDelayed(nullptr, nullptr, vsyncCallback, &inputCb, 0,
60 CALLBACK_INPUT);
61
62 nsecs_t startTime = systemTime(SYSTEM_TIME_MONOTONIC);
63 nsecs_t currTime;
64 int pollResult;
65 do {
66 pollResult = looper->pollOnce(16);
67 currTime = systemTime(SYSTEM_TIME_MONOTONIC);
68 } while (!(inputCb.callbackReceived() && animationCb.callbackReceived()) &&
69 (pollResult != Looper::POLL_TIMEOUT && pollResult != Looper::POLL_ERROR) &&
70 (currTime - startTime < 3000));
71
72 ASSERT_TRUE(inputCb.callbackReceived()) << "did not receive input callback";
73 ASSERT_TRUE(animationCb.callbackReceived()) << "did not receive animation callback";
74
75 ASSERT_EQ(inputCb.frameTime, animationCb.frameTime)
76 << android::base::StringPrintf("input and animation callback frame times don't match. "
77 "inputFrameTime=%lld animationFrameTime=%lld",
78 inputCb.frameTime.count(),
79 animationCb.frameTime.count());
80
81 ASSERT_LT(inputCb.receivedCallbackTime, animationCb.receivedCallbackTime)
82 << android::base::StringPrintf("input callback was not called first. "
83 "inputCallbackTime=%lld animationCallbackTime=%lld",
84 inputCb.frameTime.count(),
85 animationCb.frameTime.count());
86 }
87
88 } // namespace android