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245 lines
9.4 KiB
245 lines
9.4 KiB
/*
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* Copyright 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include <log/log.h>
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#include <mutex>
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#include "Scheduler/EventThread.h"
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#include "Scheduler/RefreshRateConfigs.h"
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#include "TestableScheduler.h"
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#include "TestableSurfaceFlinger.h"
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#include "mock/MockEventThread.h"
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#include "mock/MockLayer.h"
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#include "mock/MockSchedulerCallback.h"
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using testing::_;
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using testing::Return;
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namespace android {
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namespace {
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constexpr PhysicalDisplayId PHYSICAL_DISPLAY_ID(999);
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class SchedulerTest : public testing::Test {
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protected:
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class MockEventThreadConnection : public android::EventThreadConnection {
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public:
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explicit MockEventThreadConnection(EventThread* eventThread)
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: EventThreadConnection(eventThread, /*callingUid=*/0, ResyncCallback()) {}
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~MockEventThreadConnection() = default;
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MOCK_METHOD1(stealReceiveChannel, status_t(gui::BitTube* outChannel));
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MOCK_METHOD1(setVsyncRate, status_t(uint32_t count));
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MOCK_METHOD0(requestNextVsync, void());
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};
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SchedulerTest();
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const DisplayModePtr mode60 = DisplayMode::Builder(0)
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.setId(DisplayModeId(0))
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.setVsyncPeriod(Fps(60.f).getPeriodNsecs())
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.setGroup(0)
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.build();
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const DisplayModePtr mode120 = DisplayMode::Builder(1)
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.setId(DisplayModeId(1))
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.setVsyncPeriod(Fps(120.f).getPeriodNsecs())
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.setGroup(0)
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.build();
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scheduler::RefreshRateConfigs mConfigs{{mode60}, mode60->getId()};
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mock::SchedulerCallback mSchedulerCallback;
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// The scheduler should initially disable VSYNC.
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struct ExpectDisableVsync {
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ExpectDisableVsync(mock::SchedulerCallback& callback) {
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EXPECT_CALL(callback, setVsyncEnabled(false)).Times(1);
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}
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} mExpectDisableVsync{mSchedulerCallback};
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TestableScheduler* mScheduler = new TestableScheduler{mConfigs, mSchedulerCallback};
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Scheduler::ConnectionHandle mConnectionHandle;
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mock::EventThread* mEventThread;
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sp<MockEventThreadConnection> mEventThreadConnection;
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TestableSurfaceFlinger mFlinger;
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};
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SchedulerTest::SchedulerTest() {
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auto eventThread = std::make_unique<mock::EventThread>();
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mEventThread = eventThread.get();
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EXPECT_CALL(*mEventThread, registerDisplayEventConnection(_)).WillOnce(Return(0));
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mEventThreadConnection = new MockEventThreadConnection(mEventThread);
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// createConnection call to scheduler makes a createEventConnection call to EventThread. Make
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// sure that call gets executed and returns an EventThread::Connection object.
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EXPECT_CALL(*mEventThread, createEventConnection(_, _))
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.WillRepeatedly(Return(mEventThreadConnection));
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mConnectionHandle = mScheduler->createConnection(std::move(eventThread));
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EXPECT_TRUE(mConnectionHandle);
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mFlinger.resetScheduler(mScheduler);
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}
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} // namespace
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TEST_F(SchedulerTest, invalidConnectionHandle) {
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Scheduler::ConnectionHandle handle;
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const sp<IDisplayEventConnection> connection = mScheduler->createDisplayEventConnection(handle);
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EXPECT_FALSE(connection);
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EXPECT_FALSE(mScheduler->getEventConnection(handle));
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// The EXPECT_CALLS make sure we don't call the functions on the subsequent event threads.
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EXPECT_CALL(*mEventThread, onHotplugReceived(_, _)).Times(0);
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mScheduler->onHotplugReceived(handle, PHYSICAL_DISPLAY_ID, false);
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EXPECT_CALL(*mEventThread, onScreenAcquired()).Times(0);
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mScheduler->onScreenAcquired(handle);
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EXPECT_CALL(*mEventThread, onScreenReleased()).Times(0);
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mScheduler->onScreenReleased(handle);
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std::string output;
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EXPECT_CALL(*mEventThread, dump(_)).Times(0);
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mScheduler->dump(handle, output);
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EXPECT_TRUE(output.empty());
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EXPECT_CALL(*mEventThread, setDuration(10ns, 20ns)).Times(0);
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mScheduler->setDuration(handle, 10ns, 20ns);
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}
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TEST_F(SchedulerTest, validConnectionHandle) {
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const sp<IDisplayEventConnection> connection =
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mScheduler->createDisplayEventConnection(mConnectionHandle);
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ASSERT_EQ(mEventThreadConnection, connection);
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EXPECT_TRUE(mScheduler->getEventConnection(mConnectionHandle));
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EXPECT_CALL(*mEventThread, onHotplugReceived(PHYSICAL_DISPLAY_ID, false)).Times(1);
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mScheduler->onHotplugReceived(mConnectionHandle, PHYSICAL_DISPLAY_ID, false);
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EXPECT_CALL(*mEventThread, onScreenAcquired()).Times(1);
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mScheduler->onScreenAcquired(mConnectionHandle);
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EXPECT_CALL(*mEventThread, onScreenReleased()).Times(1);
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mScheduler->onScreenReleased(mConnectionHandle);
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std::string output("dump");
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EXPECT_CALL(*mEventThread, dump(output)).Times(1);
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mScheduler->dump(mConnectionHandle, output);
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EXPECT_FALSE(output.empty());
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EXPECT_CALL(*mEventThread, setDuration(10ns, 20ns)).Times(1);
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mScheduler->setDuration(mConnectionHandle, 10ns, 20ns);
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static constexpr size_t kEventConnections = 5;
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EXPECT_CALL(*mEventThread, getEventThreadConnectionCount()).WillOnce(Return(kEventConnections));
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EXPECT_EQ(kEventConnections, mScheduler->getEventThreadConnectionCount(mConnectionHandle));
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}
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TEST_F(SchedulerTest, chooseRefreshRateForContentIsNoopWhenModeSwitchingIsNotSupported) {
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// The layer is registered at creation time and deregistered at destruction time.
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sp<mock::MockLayer> layer = sp<mock::MockLayer>::make(mFlinger.flinger());
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// recordLayerHistory should be a noop
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ASSERT_EQ(static_cast<size_t>(0), mScheduler->getNumActiveLayers());
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mScheduler->recordLayerHistory(layer.get(), 0, LayerHistory::LayerUpdateType::Buffer);
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ASSERT_EQ(static_cast<size_t>(0), mScheduler->getNumActiveLayers());
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constexpr bool kPowerStateNormal = true;
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mScheduler->setDisplayPowerState(kPowerStateNormal);
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constexpr uint32_t kDisplayArea = 999'999;
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mScheduler->onPrimaryDisplayAreaChanged(kDisplayArea);
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EXPECT_CALL(mSchedulerCallback, changeRefreshRate(_, _)).Times(0);
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mScheduler->chooseRefreshRateForContent();
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}
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TEST_F(SchedulerTest, updateDisplayModes) {
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ASSERT_EQ(static_cast<size_t>(0), mScheduler->layerHistorySize());
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sp<mock::MockLayer> layer = sp<mock::MockLayer>::make(mFlinger.flinger());
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ASSERT_EQ(static_cast<size_t>(1), mScheduler->layerHistorySize());
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mConfigs.updateDisplayModes({mode60, mode120}, /* activeMode */ mode60->getId());
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ASSERT_EQ(static_cast<size_t>(0), mScheduler->getNumActiveLayers());
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mScheduler->recordLayerHistory(layer.get(), 0, LayerHistory::LayerUpdateType::Buffer);
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ASSERT_EQ(static_cast<size_t>(1), mScheduler->getNumActiveLayers());
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}
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TEST_F(SchedulerTest, testDispatchCachedReportedMode) {
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// If the optional fields are cleared, the function should return before
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// onModeChange is called.
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mScheduler->clearOptionalFieldsInFeatures();
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EXPECT_NO_FATAL_FAILURE(mScheduler->dispatchCachedReportedMode());
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EXPECT_CALL(*mEventThread, onModeChanged(_, _, _)).Times(0);
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}
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TEST_F(SchedulerTest, onNonPrimaryDisplayModeChanged_invalidParameters) {
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DisplayModeId modeId = DisplayModeId(111);
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nsecs_t vsyncPeriod = 111111;
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// If the handle is incorrect, the function should return before
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// onModeChange is called.
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Scheduler::ConnectionHandle invalidHandle = {.id = 123};
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EXPECT_NO_FATAL_FAILURE(mScheduler->onNonPrimaryDisplayModeChanged(invalidHandle,
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PHYSICAL_DISPLAY_ID, modeId,
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vsyncPeriod));
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EXPECT_CALL(*mEventThread, onModeChanged(_, _, _)).Times(0);
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}
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TEST_F(SchedulerTest, calculateMaxAcquiredBufferCount) {
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EXPECT_EQ(1, mFlinger.calculateMaxAcquiredBufferCount(Fps(60), 30ms));
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EXPECT_EQ(2, mFlinger.calculateMaxAcquiredBufferCount(Fps(90), 30ms));
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EXPECT_EQ(3, mFlinger.calculateMaxAcquiredBufferCount(Fps(120), 30ms));
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EXPECT_EQ(2, mFlinger.calculateMaxAcquiredBufferCount(Fps(60), 40ms));
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EXPECT_EQ(1, mFlinger.calculateMaxAcquiredBufferCount(Fps(60), 10ms));
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}
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MATCHER(Is120Hz, "") {
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return arg.getFps().equalsWithMargin(Fps(120.f));
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}
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TEST_F(SchedulerTest, chooseRefreshRateForContentSelectsMaxRefreshRate) {
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mConfigs.updateDisplayModes({mode60, mode120}, /* activeMode */ mode60->getId());
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sp<mock::MockLayer> layer = sp<mock::MockLayer>::make(mFlinger.flinger());
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mScheduler->recordLayerHistory(layer.get(), 0, LayerHistory::LayerUpdateType::Buffer);
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constexpr bool kPowerStateNormal = true;
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mScheduler->setDisplayPowerState(kPowerStateNormal);
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constexpr uint32_t kDisplayArea = 999'999;
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mScheduler->onPrimaryDisplayAreaChanged(kDisplayArea);
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EXPECT_CALL(mSchedulerCallback, changeRefreshRate(Is120Hz(), _)).Times(1);
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mScheduler->chooseRefreshRateForContent();
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}
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} // namespace android
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