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/*
* Copyright 2023 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"
#include <com_android_graphics_surfaceflinger_flags.h>
#include <common/test/FlagUtils.h>
#include "DualDisplayTransactionTest.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
using namespace com::android::graphics::surfaceflinger;
namespace android {
namespace {
constexpr bool kExpectSetPowerModeOnce = false;
struct FoldableTest : DualDisplayTransactionTest<hal::PowerMode::OFF, hal::PowerMode::OFF,
kExpectSetPowerModeOnce> {};
TEST_F(FoldableTest, promotesPacesetterOnBoot) {
// When the device boots, the inner display should be the pacesetter.
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kInnerDisplayId);
// ...and should still be after powering on.
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kInnerDisplayId);
}
TEST_F(FoldableTest, promotesPacesetterOnFoldUnfold) {
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
// The outer display should become the pacesetter after folding.
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::OFF);
mFlinger.setPowerModeInternal(mOuterDisplay, PowerMode::ON);
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kOuterDisplayId);
// The inner display should become the pacesetter after unfolding.
mFlinger.setPowerModeInternal(mOuterDisplay, PowerMode::OFF);
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kInnerDisplayId);
}
TEST_F(FoldableTest, promotesPacesetterOnConcurrentPowerOn) {
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
// The inner display should stay the pacesetter if both are powered on.
// TODO(b/255635821): The pacesetter should depend on the displays' refresh rates.
mFlinger.setPowerModeInternal(mOuterDisplay, PowerMode::ON);
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kInnerDisplayId);
// The outer display should become the pacesetter if designated.
mFlinger.scheduler()->setPacesetterDisplay(kOuterDisplayId);
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kOuterDisplayId);
// The inner display should become the pacesetter if designated.
mFlinger.scheduler()->setPacesetterDisplay(kInnerDisplayId);
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kInnerDisplayId);
}
TEST_F(FoldableTest, promotesPacesetterOnConcurrentPowerOff) {
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
mFlinger.setPowerModeInternal(mOuterDisplay, PowerMode::ON);
// The outer display should become the pacesetter if the inner display powers off.
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::OFF);
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kOuterDisplayId);
// The outer display should stay the pacesetter if both are powered on.
// TODO(b/255635821): The pacesetter should depend on the displays' refresh rates.
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kOuterDisplayId);
// The inner display should become the pacesetter if the outer display powers off.
mFlinger.setPowerModeInternal(mOuterDisplay, PowerMode::OFF);
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kInnerDisplayId);
}
TEST_F(FoldableTest, doesNotRequestHardwareVsyncIfPoweredOff) {
// Both displays are powered off.
EXPECT_CALL(mFlinger.mockSchedulerCallback(), requestHardwareVsync(kInnerDisplayId, _))
.Times(0);
EXPECT_CALL(mFlinger.mockSchedulerCallback(), requestHardwareVsync(kOuterDisplayId, _))
.Times(0);
EXPECT_FALSE(mInnerDisplay->isPoweredOn());
EXPECT_FALSE(mOuterDisplay->isPoweredOn());
auto& scheduler = *mFlinger.scheduler();
scheduler.onHardwareVsyncRequest(kInnerDisplayId, true);
scheduler.onHardwareVsyncRequest(kOuterDisplayId, true);
}
TEST_F(FoldableTest, requestsHardwareVsyncForInnerDisplay) {
// Only inner display is powered on.
EXPECT_CALL(mFlinger.mockSchedulerCallback(), requestHardwareVsync(kInnerDisplayId, true))
.Times(1);
EXPECT_CALL(mFlinger.mockSchedulerCallback(), requestHardwareVsync(kOuterDisplayId, _))
.Times(0);
// The injected VsyncSchedule uses TestableScheduler::mockRequestHardwareVsync, so no calls to
// ISchedulerCallback::requestHardwareVsync are expected during setPowerModeInternal.
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
EXPECT_TRUE(mInnerDisplay->isPoweredOn());
EXPECT_FALSE(mOuterDisplay->isPoweredOn());
auto& scheduler = *mFlinger.scheduler();
scheduler.onHardwareVsyncRequest(kInnerDisplayId, true);
scheduler.onHardwareVsyncRequest(kOuterDisplayId, true);
}
TEST_F(FoldableTest, requestsHardwareVsyncForOuterDisplay) {
// Only outer display is powered on.
EXPECT_CALL(mFlinger.mockSchedulerCallback(), requestHardwareVsync(kInnerDisplayId, _))
.Times(0);
EXPECT_CALL(mFlinger.mockSchedulerCallback(), requestHardwareVsync(kOuterDisplayId, true))
.Times(1);
// The injected VsyncSchedule uses TestableScheduler::mockRequestHardwareVsync, so no calls to
// ISchedulerCallback::requestHardwareVsync are expected during setPowerModeInternal.
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::OFF);
mFlinger.setPowerModeInternal(mOuterDisplay, PowerMode::ON);
EXPECT_FALSE(mInnerDisplay->isPoweredOn());
EXPECT_TRUE(mOuterDisplay->isPoweredOn());
auto& scheduler = *mFlinger.scheduler();
scheduler.onHardwareVsyncRequest(kInnerDisplayId, true);
scheduler.onHardwareVsyncRequest(kOuterDisplayId, true);
}
TEST_F(FoldableTest, requestsHardwareVsyncForBothDisplays) {
// Both displays are powered on.
EXPECT_CALL(mFlinger.mockSchedulerCallback(), requestHardwareVsync(kInnerDisplayId, true))
.Times(1);
EXPECT_CALL(mFlinger.mockSchedulerCallback(), requestHardwareVsync(kOuterDisplayId, true))
.Times(1);
// The injected VsyncSchedule uses TestableScheduler::mockRequestHardwareVsync, so no calls to
// ISchedulerCallback::requestHardwareVsync are expected during setPowerModeInternal.
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
mFlinger.setPowerModeInternal(mOuterDisplay, PowerMode::ON);
EXPECT_TRUE(mInnerDisplay->isPoweredOn());
EXPECT_TRUE(mOuterDisplay->isPoweredOn());
auto& scheduler = *mFlinger.scheduler();
scheduler.onHardwareVsyncRequest(mInnerDisplay->getPhysicalId(), true);
scheduler.onHardwareVsyncRequest(mOuterDisplay->getPhysicalId(), true);
}
TEST_F(FoldableTest, requestVsyncOnPowerOn) {
SET_FLAG_FOR_TEST(flags::multithreaded_present, true);
EXPECT_CALL(mFlinger.scheduler()->mockRequestHardwareVsync, Call(kInnerDisplayId, true))
.Times(1);
EXPECT_CALL(mFlinger.scheduler()->mockRequestHardwareVsync, Call(kOuterDisplayId, true))
.Times(1);
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
mFlinger.setPowerModeInternal(mOuterDisplay, PowerMode::ON);
}
TEST_F(FoldableTest, disableVsyncOnPowerOffPacesetter) {
SET_FLAG_FOR_TEST(flags::multithreaded_present, true);
// When the device boots, the inner display should be the pacesetter.
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kInnerDisplayId);
testing::InSequence seq;
EXPECT_CALL(mFlinger.scheduler()->mockRequestHardwareVsync, Call(kInnerDisplayId, true))
.Times(1);
EXPECT_CALL(mFlinger.scheduler()->mockRequestHardwareVsync, Call(kOuterDisplayId, true))
.Times(1);
// Turning off the pacesetter will result in disabling VSYNC.
EXPECT_CALL(mFlinger.scheduler()->mockRequestHardwareVsync, Call(kInnerDisplayId, false))
.Times(1);
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::ON);
mFlinger.setPowerModeInternal(mOuterDisplay, PowerMode::ON);
mFlinger.setPowerModeInternal(mInnerDisplay, PowerMode::OFF);
// Other display is now the pacesetter.
ASSERT_EQ(mFlinger.scheduler()->pacesetterDisplayId(), kOuterDisplayId);
}
} // namespace
} // namespace android
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