| /* |
| * Copyright 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #undef LOG_TAG |
| #define LOG_TAG "LibSurfaceFlingerUnittests" |
| #define LOG_NDEBUG 0 |
| |
| #include "Scheduler/VSyncModulator.h" |
| |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| |
| using namespace testing; |
| |
| namespace android::scheduler { |
| |
| class MockScheduler : public IPhaseOffsetControl { |
| public: |
| void setPhaseOffset(ConnectionHandle handle, nsecs_t phaseOffset) { |
| mPhaseOffset[handle] = phaseOffset; |
| } |
| |
| nsecs_t getOffset(ConnectionHandle handle) { return mPhaseOffset[handle]; } |
| |
| private: |
| std::unordered_map<ConnectionHandle, nsecs_t> mPhaseOffset; |
| }; |
| |
| class VSyncModulatorTest : public testing::Test { |
| protected: |
| static constexpr auto MIN_EARLY_FRAME_COUNT_TRANSACTION = |
| VSyncModulator::MIN_EARLY_FRAME_COUNT_TRANSACTION; |
| // Add a 1ms slack to avoid strange timer race conditions. |
| static constexpr auto MARGIN_FOR_TX_APPLY = VSyncModulator::MARGIN_FOR_TX_APPLY + 1ms; |
| |
| // Used to enumerate the different offsets we have |
| enum { |
| SF_LATE, |
| APP_LATE, |
| SF_EARLY, |
| APP_EARLY, |
| SF_EARLY_GL, |
| APP_EARLY_GL, |
| }; |
| |
| std::unique_ptr<VSyncModulator> mVSyncModulator; |
| MockScheduler mMockScheduler; |
| ConnectionHandle mAppConnection{1}; |
| ConnectionHandle mSfConnection{2}; |
| VSyncModulator::OffsetsConfig mOffsets = {{SF_EARLY, APP_EARLY}, |
| {SF_EARLY_GL, APP_EARLY_GL}, |
| {SF_LATE, APP_LATE}}; |
| |
| void SetUp() override { |
| mVSyncModulator = std::make_unique<VSyncModulator>(mMockScheduler, mAppConnection, |
| mSfConnection, mOffsets); |
| mVSyncModulator->setPhaseOffsets(mOffsets); |
| |
| EXPECT_EQ(APP_LATE, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_LATE, mMockScheduler.getOffset(mSfConnection)); |
| }; |
| |
| void TearDown() override { mVSyncModulator.reset(); } |
| }; |
| |
| TEST_F(VSyncModulatorTest, Normal) { |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::Normal); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_LATE, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_LATE, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < MIN_EARLY_FRAME_COUNT_TRANSACTION; i++) { |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_LATE, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_LATE, mMockScheduler.getOffset(mSfConnection)); |
| } |
| } |
| |
| TEST_F(VSyncModulatorTest, EarlyEnd) { |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::EarlyEnd); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < MIN_EARLY_FRAME_COUNT_TRANSACTION - 1; i++) { |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_LATE, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_LATE, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| TEST_F(VSyncModulatorTest, EarlyStart) { |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::EarlyStart); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < 5 * MIN_EARLY_FRAME_COUNT_TRANSACTION; i++) { |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::EarlyEnd); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < MIN_EARLY_FRAME_COUNT_TRANSACTION - 1; i++) { |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_LATE, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_LATE, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| TEST_F(VSyncModulatorTest, EarlyStartWithEarly) { |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::EarlyStart); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < 5 * MIN_EARLY_FRAME_COUNT_TRANSACTION; i++) { |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::Early); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < 5 * MIN_EARLY_FRAME_COUNT_TRANSACTION; i++) { |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::EarlyEnd); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < MIN_EARLY_FRAME_COUNT_TRANSACTION - 1; i++) { |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_LATE, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_LATE, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| TEST_F(VSyncModulatorTest, EarlyStartWithMoreTransactions) { |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::EarlyStart); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < 5 * MIN_EARLY_FRAME_COUNT_TRANSACTION; i++) { |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::Normal); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::EarlyEnd); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < MIN_EARLY_FRAME_COUNT_TRANSACTION - 1; i++) { |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_LATE, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_LATE, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| TEST_F(VSyncModulatorTest, EarlyStartAfterEarlyEnd) { |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::EarlyEnd); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < MIN_EARLY_FRAME_COUNT_TRANSACTION - 1; i++) { |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::EarlyStart); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < 5 * MIN_EARLY_FRAME_COUNT_TRANSACTION; i++) { |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::EarlyEnd); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < MIN_EARLY_FRAME_COUNT_TRANSACTION - 1; i++) { |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_LATE, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_LATE, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| TEST_F(VSyncModulatorTest, EarlyStartAfterEarlyEndWithMoreTransactions) { |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::EarlyEnd); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < MIN_EARLY_FRAME_COUNT_TRANSACTION - 1; i++) { |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::EarlyStart); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < 5 * MIN_EARLY_FRAME_COUNT_TRANSACTION; i++) { |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::Normal); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->setTransactionStart(Scheduler::TransactionStart::EarlyEnd); |
| std::this_thread::sleep_for(MARGIN_FOR_TX_APPLY); |
| mVSyncModulator->onTransactionHandled(); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| |
| for (int i = 0; i < MIN_EARLY_FRAME_COUNT_TRANSACTION - 1; i++) { |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_EARLY, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_EARLY, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| mVSyncModulator->onRefreshed(false); |
| EXPECT_EQ(APP_LATE, mMockScheduler.getOffset(mAppConnection)); |
| EXPECT_EQ(SF_LATE, mMockScheduler.getOffset(mSfConnection)); |
| } |
| |
| } // namespace android::scheduler |