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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 "LayerHistoryIntegrationTest"
#include <Layer.h>
#include <com_android_graphics_surfaceflinger_flags.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <log/log.h>
#include <renderengine/mock/FakeExternalTexture.h>
#include <common/test/FlagUtils.h>
#include "FpsOps.h"
#include "LayerHierarchyTest.h"
#include "Scheduler/LayerHistory.h"
#include "Scheduler/LayerInfo.h"
#include "TestableScheduler.h"
#include "TestableSurfaceFlinger.h"
#include "mock/DisplayHardware/MockDisplayMode.h"
#include "mock/MockSchedulerCallback.h"
namespace android::scheduler {
using android::mock::createDisplayMode;
using namespace com::android::graphics::surfaceflinger;
class LayerHistoryIntegrationTest : public surfaceflinger::frontend::LayerSnapshotTestBase {
protected:
static constexpr auto PRESENT_TIME_HISTORY_SIZE = LayerInfo::HISTORY_SIZE;
static constexpr auto MAX_FREQUENT_LAYER_PERIOD_NS = LayerInfo::kMaxPeriodForFrequentLayerNs;
static constexpr auto FREQUENT_LAYER_WINDOW_SIZE = LayerInfo::kFrequentLayerWindowSize;
static constexpr auto PRESENT_TIME_HISTORY_DURATION = LayerInfo::HISTORY_DURATION;
static constexpr Fps LO_FPS = 30_Hz;
static constexpr auto LO_FPS_PERIOD = LO_FPS.getPeriodNsecs();
static constexpr Fps HI_FPS = 90_Hz;
static constexpr auto HI_FPS_PERIOD = HI_FPS.getPeriodNsecs();
LayerHistoryIntegrationTest() : LayerSnapshotTestBase() {
mFlinger.resetScheduler(mScheduler);
mLifecycleManager = {};
mHierarchyBuilder = {{}};
}
void updateLayerSnapshotsAndLayerHistory(nsecs_t now) {
LayerSnapshotTestBase::update(mFlinger.mutableLayerSnapshotBuilder());
mFlinger.updateLayerHistory(now);
}
void setBufferWithPresentTime(sp<Layer>& layer, nsecs_t time) {
uint32_t sequence = static_cast<uint32_t>(layer->sequence);
setBuffer(sequence);
layer->setDesiredPresentTime(time, false /*autotimestamp*/);
updateLayerSnapshotsAndLayerHistory(time);
}
LayerHistory& history() { return mScheduler->mutableLayerHistory(); }
const LayerHistory& history() const { return mScheduler->mutableLayerHistory(); }
LayerHistory::Summary summarizeLayerHistory(nsecs_t now) {
// LayerHistory::summarize makes no guarantee of the order of the elements in the summary
// however, for testing only, a stable order is required, therefore we sort the list here.
// Any tests requiring ordered results must create layers with names.
auto summary = history().summarize(*mScheduler->refreshRateSelector(), now);
std::sort(summary.begin(), summary.end(),
[](const RefreshRateSelector::LayerRequirement& lhs,
const RefreshRateSelector::LayerRequirement& rhs) -> bool {
return lhs.name < rhs.name;
});
return summary;
}
size_t layerCount() const { return mScheduler->layerHistorySize(); }
size_t activeLayerCount() const NO_THREAD_SAFETY_ANALYSIS {
return history().mActiveLayerInfos.size();
}
auto frequentLayerCount(nsecs_t now) const NO_THREAD_SAFETY_ANALYSIS {
const auto& infos = history().mActiveLayerInfos;
return std::count_if(infos.begin(), infos.end(), [now](const auto& pair) {
return pair.second.second->isFrequent(now).isFrequent;
});
}
auto animatingLayerCount(nsecs_t now) const NO_THREAD_SAFETY_ANALYSIS {
const auto& infos = history().mActiveLayerInfos;
return std::count_if(infos.begin(), infos.end(), [now](const auto& pair) {
return pair.second.second->isAnimating(now);
});
}
auto clearLayerHistoryCount(nsecs_t now) const NO_THREAD_SAFETY_ANALYSIS {
const auto& infos = history().mActiveLayerInfos;
return std::count_if(infos.begin(), infos.end(), [now](const auto& pair) {
return pair.second.second->isFrequent(now).clearHistory;
});
}
void setDefaultLayerVote(Layer* layer,
LayerHistory::LayerVoteType vote) NO_THREAD_SAFETY_ANALYSIS {
auto [found, layerPair] = history().findLayer(layer->getSequence());
if (found != LayerHistory::LayerStatus::NotFound) {
layerPair->second->setDefaultLayerVote(vote);
}
}
auto createLegacyAndFrontedEndLayer(uint32_t sequence) {
std::string layerName = "test layer:" + std::to_string(sequence);
const auto layer =
sp<Layer>::make(LayerCreationArgs{mFlinger.flinger(),
nullptr,
layerName,
0,
{},
std::make_optional<uint32_t>(sequence)});
mFlinger.injectLegacyLayer(layer);
createRootLayer(sequence);
return layer;
}
auto destroyLayer(sp<Layer>& layer) {
uint32_t sequence = static_cast<uint32_t>(layer->sequence);
mFlinger.releaseLegacyLayer(sequence);
layer.clear();
destroyLayerHandle(sequence);
}
void recordFramesAndExpect(sp<Layer>& layer, nsecs_t& time, Fps frameRate,
Fps desiredRefreshRate, int numFrames) {
LayerHistory::Summary summary;
for (int i = 0; i < numFrames; i++) {
setBufferWithPresentTime(layer, time);
time += frameRate.getPeriodNsecs();
summary = summarizeLayerHistory(time);
}
ASSERT_EQ(1u, summary.size());
ASSERT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
ASSERT_EQ(desiredRefreshRate, summary[0].desiredRefreshRate);
}
std::shared_ptr<RefreshRateSelector> mSelector =
std::make_shared<RefreshRateSelector>(makeModes(createDisplayMode(DisplayModeId(0),
LO_FPS),
createDisplayMode(DisplayModeId(1),
HI_FPS)),
DisplayModeId(0));
mock::SchedulerCallback mSchedulerCallback;
mock::VsyncTrackerCallback mVsyncTrackerCallback;
TestableScheduler* mScheduler =
new TestableScheduler(mSelector, mSchedulerCallback, mVsyncTrackerCallback);
TestableSurfaceFlinger mFlinger;
};
namespace {
TEST_F(LayerHistoryIntegrationTest, singleLayerNoVoteDefaultCompatibility) {
createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
updateLayerSnapshotsAndLayerHistory(time);
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
// No layers returned if no layers are active.
EXPECT_TRUE(summarizeLayerHistory(time).empty());
EXPECT_EQ(0u, activeLayerCount());
setBuffer(1);
setDefaultFrameRateCompatibility(1, ANATIVEWINDOW_FRAME_RATE_NO_VOTE);
updateLayerSnapshotsAndLayerHistory(time);
EXPECT_TRUE(summarizeLayerHistory(time).empty());
EXPECT_EQ(1u, activeLayerCount());
}
TEST_F(LayerHistoryIntegrationTest, singleLayerMinVoteDefaultCompatibility) {
createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
updateLayerSnapshotsAndLayerHistory(time);
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
EXPECT_TRUE(summarizeLayerHistory(time).empty());
EXPECT_EQ(0u, activeLayerCount());
setBuffer(1);
setDefaultFrameRateCompatibility(1, ANATIVEWINDOW_FRAME_RATE_MIN);
updateLayerSnapshotsAndLayerHistory(time);
auto summary = summarizeLayerHistory(time);
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
}
TEST_F(LayerHistoryIntegrationTest, oneInvisibleLayer) {
createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
updateLayerSnapshotsAndLayerHistory(time);
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
setBuffer(1);
updateLayerSnapshotsAndLayerHistory(time);
auto summary = summarizeLayerHistory(time);
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
// Layer is still considered inactive so we expect to get Min
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
hideLayer(1);
setBuffer(1);
updateLayerSnapshotsAndLayerHistory(time);
summary = summarizeLayerHistory(time);
EXPECT_TRUE(summarizeLayerHistory(time).empty());
EXPECT_EQ(0u, activeLayerCount());
}
TEST_F(LayerHistoryIntegrationTest, oneLayerExplicitVote) {
createLegacyAndFrontedEndLayer(1);
setFrameRate(1, 73.4f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS);
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
nsecs_t time = systemTime();
updateLayerSnapshotsAndLayerHistory(time);
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitDefault, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(73.4_Hz, summarizeLayerHistory(time)[0].desiredRefreshRate);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
}
TEST_F(LayerHistoryIntegrationTest, oneLayerExplicitExactVote) {
createLegacyAndFrontedEndLayer(1);
setFrameRate(1, 73.4f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_FIXED_SOURCE,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS);
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
nsecs_t time = systemTime();
updateLayerSnapshotsAndLayerHistory(time);
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitExactOrMultiple,
summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(73.4_Hz, summarizeLayerHistory(time)[0].desiredRefreshRate);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
}
TEST_F(LayerHistoryIntegrationTest, oneLayerExplicitCategory) {
createLegacyAndFrontedEndLayer(1);
setFrameRateCategory(1, ANATIVEWINDOW_FRAME_RATE_CATEGORY_HIGH);
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
nsecs_t time = systemTime();
updateLayerSnapshotsAndLayerHistory(time);
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
// First LayerRequirement is the frame rate specification
EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitCategory, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(0_Hz, summarizeLayerHistory(time)[0].desiredRefreshRate);
EXPECT_EQ(FrameRateCategory::High, summarizeLayerHistory(time)[0].frameRateCategory);
}
TEST_F(LayerHistoryIntegrationTest, multipleLayers) {
auto layer1 = createLegacyAndFrontedEndLayer(1);
auto layer2 = createLegacyAndFrontedEndLayer(2);
auto layer3 = createLegacyAndFrontedEndLayer(3);
nsecs_t time = systemTime();
EXPECT_EQ(3u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
LayerHistory::Summary summary;
// layer1 is active but infrequent.
for (size_t i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
setBufferWithPresentTime(layer1, time);
time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
summary = summarizeLayerHistory(time);
}
ASSERT_EQ(1u, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, summary[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
// layer2 is frequent and has high refresh rate.
for (size_t i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
setBufferWithPresentTime(layer2, time);
time += HI_FPS_PERIOD;
summary = summarizeLayerHistory(time);
}
// layer1 is still active but infrequent.
setBufferWithPresentTime(layer1, time);
ASSERT_EQ(2u, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, summary[0].vote);
ASSERT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[1].vote);
EXPECT_EQ(HI_FPS, summarizeLayerHistory(time)[1].desiredRefreshRate);
EXPECT_EQ(2u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
// layer1 is no longer active.
// layer2 is frequent and has low refresh rate.
for (size_t i = 0; i < 2 * PRESENT_TIME_HISTORY_SIZE; i++) {
setBufferWithPresentTime(layer2, time);
time += LO_FPS_PERIOD;
summary = summarizeLayerHistory(time);
}
ASSERT_EQ(1u, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_EQ(LO_FPS, summary[0].desiredRefreshRate);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
// layer2 still has low refresh rate.
// layer3 has high refresh rate but not enough history.
constexpr int RATIO = LO_FPS_PERIOD / HI_FPS_PERIOD;
for (size_t i = 0; i < PRESENT_TIME_HISTORY_SIZE - 1; i++) {
if (i % RATIO == 0) {
setBufferWithPresentTime(layer2, time);
}
setBufferWithPresentTime(layer3, time);
time += HI_FPS_PERIOD;
summary = summarizeLayerHistory(time);
}
ASSERT_EQ(2u, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_EQ(LO_FPS, summary[0].desiredRefreshRate);
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summary[1].vote);
EXPECT_EQ(2u, activeLayerCount());
EXPECT_EQ(2, frequentLayerCount(time));
// layer3 becomes recently active.
setBufferWithPresentTime(layer3, time);
summary = summarizeLayerHistory(time);
ASSERT_EQ(2u, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_EQ(LO_FPS, summary[0].desiredRefreshRate);
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[1].vote);
EXPECT_EQ(HI_FPS, summary[1].desiredRefreshRate);
EXPECT_EQ(2u, activeLayerCount());
EXPECT_EQ(2, frequentLayerCount(time));
// layer1 expires.
destroyLayer(layer1);
updateLayerSnapshotsAndLayerHistory(time);
summary = summarizeLayerHistory(time);
ASSERT_EQ(2u, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_EQ(LO_FPS, summary[0].desiredRefreshRate);
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[1].vote);
EXPECT_EQ(HI_FPS, summary[1].desiredRefreshRate);
EXPECT_EQ(2u, layerCount());
EXPECT_EQ(2u, activeLayerCount());
EXPECT_EQ(2, frequentLayerCount(time));
// layer2 still has low refresh rate.
// layer3 becomes inactive.
for (size_t i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
setBufferWithPresentTime(layer2, time);
time += LO_FPS_PERIOD;
summary = summarizeLayerHistory(time);
}
ASSERT_EQ(1u, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_EQ(LO_FPS, summary[0].desiredRefreshRate);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
// layer2 expires.
destroyLayer(layer2);
updateLayerSnapshotsAndLayerHistory(time);
summary = summarizeLayerHistory(time);
EXPECT_TRUE(summary.empty());
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
// layer3 becomes active and has high refresh rate.
for (size_t i = 0; i < PRESENT_TIME_HISTORY_SIZE + FREQUENT_LAYER_WINDOW_SIZE + 1; i++) {
setBufferWithPresentTime(layer3, time);
time += HI_FPS_PERIOD;
summary = summarizeLayerHistory(time);
}
ASSERT_EQ(1u, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_EQ(HI_FPS, summary[0].desiredRefreshRate);
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
// layer3 expires.
destroyLayer(layer3);
updateLayerSnapshotsAndLayerHistory(time);
summary = summarizeLayerHistory(time);
EXPECT_TRUE(summary.empty());
EXPECT_EQ(0u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
}
TEST_F(LayerHistoryIntegrationTest, inactiveLayers) {
auto layer = createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
// the very first updates makes the layer frequent
for (size_t i = 0; i < FREQUENT_LAYER_WINDOW_SIZE - 1; i++) {
setBufferWithPresentTime(layer, time);
time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
EXPECT_EQ(1u, layerCount());
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
}
// the next update with the MAX_FREQUENT_LAYER_PERIOD_NS will get us to infrequent
time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
setBufferWithPresentTime(layer, time);
EXPECT_EQ(1u, layerCount());
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
// advance the time for the previous frame to be inactive
time += MAX_ACTIVE_LAYER_PERIOD_NS.count();
// Now even if we post a quick few frame we should stay infrequent
for (size_t i = 0; i < FREQUENT_LAYER_WINDOW_SIZE - 1; i++) {
setBufferWithPresentTime(layer, time);
time += HI_FPS_PERIOD;
EXPECT_EQ(1u, layerCount());
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
}
// More quick frames will get us to frequent again
setBufferWithPresentTime(layer, time);
time += HI_FPS_PERIOD;
EXPECT_EQ(1u, layerCount());
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
}
TEST_F(LayerHistoryIntegrationTest, invisibleExplicitLayerIsActive) {
SET_FLAG_FOR_TEST(flags::misc1, false);
auto explicitVisiblelayer = createLegacyAndFrontedEndLayer(1);
auto explicitInvisiblelayer = createLegacyAndFrontedEndLayer(2);
hideLayer(2);
setFrameRate(1, 60.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_FIXED_SOURCE,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS);
setFrameRate(2, 90.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_FIXED_SOURCE,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS);
nsecs_t time = systemTime();
// Post a buffer to the layers to make them active
setBufferWithPresentTime(explicitVisiblelayer, time);
setBufferWithPresentTime(explicitInvisiblelayer, time);
EXPECT_EQ(2u, layerCount());
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitExactOrMultiple,
summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(60_Hz, summarizeLayerHistory(time)[0].desiredRefreshRate);
EXPECT_EQ(2u, activeLayerCount());
EXPECT_EQ(2, frequentLayerCount(time));
}
TEST_F(LayerHistoryIntegrationTest, invisibleExplicitLayerIsNotActive) {
SET_FLAG_FOR_TEST(flags::misc1, true);
auto explicitVisiblelayer = createLegacyAndFrontedEndLayer(1);
auto explicitInvisiblelayer = createLegacyAndFrontedEndLayer(2);
hideLayer(2);
setFrameRate(1, 60.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_FIXED_SOURCE,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS);
setFrameRate(2, 90.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_FIXED_SOURCE,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS);
nsecs_t time = systemTime();
// Post a buffer to the layers to make them active
setBufferWithPresentTime(explicitVisiblelayer, time);
setBufferWithPresentTime(explicitInvisiblelayer, time);
EXPECT_EQ(2u, layerCount());
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitExactOrMultiple,
summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(60_Hz, summarizeLayerHistory(time)[0].desiredRefreshRate);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
}
TEST_F(LayerHistoryIntegrationTest, infrequentAnimatingLayer) {
auto layer = createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// layer is active but infrequent.
for (size_t i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
setBufferWithPresentTime(layer, time);
time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
}
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// another update with the same cadence keep in infrequent
setBufferWithPresentTime(layer, time);
time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
mFlinger.mutableLayerSnapshotBuilder().getSnapshot(1)->changes |=
frontend::RequestedLayerState::Changes::Animation;
mFlinger.updateLayerHistory(time);
// an update as animation will immediately vote for Max
time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
EXPECT_EQ(1, animatingLayerCount(time));
}
TEST_F(LayerHistoryIntegrationTest, frequentLayerBecomingInfrequentAndBack) {
auto layer = createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// Fill up the window with frequent updates
for (size_t i = 0; i < FREQUENT_LAYER_WINDOW_SIZE; i++) {
setBufferWithPresentTime(layer, time);
time += (60_Hz).getPeriodNsecs();
EXPECT_EQ(1u, layerCount());
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
}
// posting a buffer after long inactivity should retain the layer as active
time += std::chrono::nanoseconds(3s).count();
setBufferWithPresentTime(layer, time);
EXPECT_EQ(0, clearLayerHistoryCount(time));
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(60_Hz, summarizeLayerHistory(time)[0].desiredRefreshRate);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// posting more infrequent buffer should make the layer infrequent
time += (MAX_FREQUENT_LAYER_PERIOD_NS + 1ms).count();
setBufferWithPresentTime(layer, time);
time += (MAX_FREQUENT_LAYER_PERIOD_NS + 1ms).count();
setBufferWithPresentTime(layer, time);
EXPECT_EQ(0, clearLayerHistoryCount(time));
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// posting another buffer should keep the layer infrequent
setBufferWithPresentTime(layer, time);
EXPECT_EQ(0, clearLayerHistoryCount(time));
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// posting more buffers would mean starting of an animation, so making the layer frequent
setBufferWithPresentTime(layer, time);
setBufferWithPresentTime(layer, time);
EXPECT_EQ(1, clearLayerHistoryCount(time));
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// posting a buffer after long inactivity should retain the layer as active
time += std::chrono::nanoseconds(3s).count();
setBufferWithPresentTime(layer, time);
EXPECT_EQ(0, clearLayerHistoryCount(time));
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// posting another buffer should keep the layer frequent
time += (60_Hz).getPeriodNsecs();
setBufferWithPresentTime(layer, time);
EXPECT_EQ(0, clearLayerHistoryCount(time));
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
}
TEST_F(LayerHistoryIntegrationTest, inconclusiveLayerBecomingFrequent) {
auto layer = createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// Fill up the window with frequent updates
for (size_t i = 0; i < FREQUENT_LAYER_WINDOW_SIZE; i++) {
setBufferWithPresentTime(layer, time);
time += (60_Hz).getPeriodNsecs();
EXPECT_EQ(1u, layerCount());
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
}
// posting infrequent buffers after long inactivity should make the layer
// inconclusive but frequent.
time += std::chrono::nanoseconds(3s).count();
setBufferWithPresentTime(layer, time);
time += (MAX_FREQUENT_LAYER_PERIOD_NS + 1ms).count();
setBufferWithPresentTime(layer, time);
EXPECT_EQ(0, clearLayerHistoryCount(time));
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// posting more buffers should make the layer frequent and switch the refresh rate to max
// by clearing the history
setBufferWithPresentTime(layer, time);
setBufferWithPresentTime(layer, time);
setBufferWithPresentTime(layer, time);
EXPECT_EQ(1, clearLayerHistoryCount(time));
ASSERT_EQ(1u, summarizeLayerHistory(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summarizeLayerHistory(time)[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
}
TEST_F(LayerHistoryIntegrationTest, getFramerate) {
auto layer = createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// layer is active but infrequent.
for (size_t i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
setBufferWithPresentTime(layer, time);
time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
}
float expectedFramerate = 1e9f / MAX_FREQUENT_LAYER_PERIOD_NS.count();
EXPECT_FLOAT_EQ(expectedFramerate, history().getLayerFramerate(time, layer->getSequence()));
}
TEST_F(LayerHistoryIntegrationTest, heuristicLayer60Hz) {
auto layer = createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
for (float fps = 54.0f; fps < 65.0f; fps += 0.1f) {
recordFramesAndExpect(layer, time, Fps::fromValue(fps), 60_Hz, PRESENT_TIME_HISTORY_SIZE);
}
}
TEST_F(LayerHistoryIntegrationTest, heuristicLayer60_30Hz) {
auto layer = createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
recordFramesAndExpect(layer, time, 60_Hz, 60_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 60_Hz, 60_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 30_Hz, 60_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 30_Hz, 30_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 60_Hz, 30_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 60_Hz, 60_Hz, PRESENT_TIME_HISTORY_SIZE);
}
TEST_F(LayerHistoryIntegrationTest, heuristicLayerNotOscillating) {
SET_FLAG_FOR_TEST(flags::use_known_refresh_rate_for_fps_consistency, false);
auto layer = createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
recordFramesAndExpect(layer, time, 27.1_Hz, 30_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 26.9_Hz, 30_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 26_Hz, 24_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 26.9_Hz, 24_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 27.1_Hz, 30_Hz, PRESENT_TIME_HISTORY_SIZE);
}
TEST_F(LayerHistoryIntegrationTest, heuristicLayerNotOscillating_useKnownRefreshRate) {
SET_FLAG_FOR_TEST(flags::use_known_refresh_rate_for_fps_consistency, true);
auto layer = createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
recordFramesAndExpect(layer, time, 27.1_Hz, 30_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 26.9_Hz, 30_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 26_Hz, 24_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 26.9_Hz, 24_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 27.1_Hz, 24_Hz, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 27.1_Hz, 30_Hz, PRESENT_TIME_HISTORY_SIZE);
}
TEST_F(LayerHistoryIntegrationTest, smallDirtyLayer) {
auto layer = createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
LayerHistory::Summary summary;
// layer is active but infrequent.
for (size_t i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
auto props = layer->getLayerProps();
if (i % 3 == 0) {
props.isSmallDirty = false;
} else {
props.isSmallDirty = true;
}
setBufferWithPresentTime(layer, time);
time += HI_FPS_PERIOD;
summary = summarizeLayerHistory(time);
}
ASSERT_EQ(1u, summary.size());
ASSERT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_GE(HI_FPS, summary[0].desiredRefreshRate);
}
TEST_F(LayerHistoryIntegrationTest, DISABLED_smallDirtyInMultiLayer) {
auto uiLayer = createLegacyAndFrontedEndLayer(1);
auto videoLayer = createLegacyAndFrontedEndLayer(2);
setFrameRate(2, 30.0f, ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT,
ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS);
nsecs_t time = systemTime();
EXPECT_EQ(2u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
LayerHistory::Summary summary;
// uiLayer is updating small dirty.
for (size_t i = 0; i < PRESENT_TIME_HISTORY_SIZE + FREQUENT_LAYER_WINDOW_SIZE + 1; i++) {
auto props = uiLayer->getLayerProps();
props.isSmallDirty = true;
setBuffer(1);
uiLayer->setDesiredPresentTime(0, false /*autotimestamp*/);
updateLayerSnapshotsAndLayerHistory(time);
setBufferWithPresentTime(videoLayer, time);
summary = summarizeLayerHistory(time);
}
ASSERT_EQ(1u, summary.size());
ASSERT_EQ(LayerHistory::LayerVoteType::ExplicitDefault, summary[0].vote);
ASSERT_EQ(30_Hz, summary[0].desiredRefreshRate);
}
TEST_F(LayerHistoryIntegrationTest, hidingLayerUpdatesLayerHistory) {
createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
updateLayerSnapshotsAndLayerHistory(time);
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
setBuffer(1);
updateLayerSnapshotsAndLayerHistory(time);
auto summary = summarizeLayerHistory(time);
ASSERT_EQ(1u, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summary[0].vote);
EXPECT_EQ(1u, activeLayerCount());
hideLayer(1);
updateLayerSnapshotsAndLayerHistory(time);
summary = summarizeLayerHistory(time);
EXPECT_TRUE(summary.empty());
EXPECT_EQ(0u, activeLayerCount());
}
TEST_F(LayerHistoryIntegrationTest, showingLayerUpdatesLayerHistory) {
createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
updateLayerSnapshotsAndLayerHistory(time);
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
hideLayer(1);
setBuffer(1);
updateLayerSnapshotsAndLayerHistory(time);
auto summary = summarizeLayerHistory(time);
EXPECT_TRUE(summary.empty());
EXPECT_EQ(0u, activeLayerCount());
showLayer(1);
updateLayerSnapshotsAndLayerHistory(time);
summary = summarizeLayerHistory(time);
ASSERT_EQ(1u, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summary[0].vote);
EXPECT_EQ(1u, activeLayerCount());
}
TEST_F(LayerHistoryIntegrationTest, updatingGeometryUpdatesWeight) {
createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
updateLayerSnapshotsAndLayerHistory(time);
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
setBuffer(1,
std::make_shared<
renderengine::mock::FakeExternalTexture>(100U /*width*/, 100U /*height*/, 1,
HAL_PIXEL_FORMAT_RGBA_8888,
GRALLOC_USAGE_PROTECTED /*usage*/));
mFlinger.setLayerHistoryDisplayArea(100 * 100);
updateLayerSnapshotsAndLayerHistory(time);
auto summary = summarizeLayerHistory(time);
ASSERT_EQ(1u, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summary[0].vote);
EXPECT_EQ(1u, activeLayerCount());
auto startingWeight = summary[0].weight;
setMatrix(1, 0.1f, 0.f, 0.f, 0.1f);
updateLayerSnapshotsAndLayerHistory(time);
summary = summarizeLayerHistory(time);
ASSERT_EQ(1u, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summary[0].vote);
EXPECT_EQ(1u, activeLayerCount());
EXPECT_GT(startingWeight, summary[0].weight);
}
class LayerHistoryIntegrationTestParameterized
: public LayerHistoryIntegrationTest,
public testing::WithParamInterface<std::chrono::nanoseconds> {};
TEST_P(LayerHistoryIntegrationTestParameterized, HeuristicLayerWithInfrequentLayer) {
std::chrono::nanoseconds infrequentUpdateDelta = GetParam();
auto heuristicLayer = createLegacyAndFrontedEndLayer(1);
auto infrequentLayer = createLegacyAndFrontedEndLayer(2);
const nsecs_t startTime = systemTime();
const std::chrono::nanoseconds heuristicUpdateDelta = 41'666'667ns;
setBufferWithPresentTime(heuristicLayer, startTime);
setBufferWithPresentTime(infrequentLayer, startTime);
nsecs_t time = startTime;
nsecs_t lastInfrequentUpdate = startTime;
const size_t totalInfrequentLayerUpdates = FREQUENT_LAYER_WINDOW_SIZE * 5;
size_t infrequentLayerUpdates = 0;
while (infrequentLayerUpdates <= totalInfrequentLayerUpdates) {
time += heuristicUpdateDelta.count();
setBufferWithPresentTime(heuristicLayer, time);
if (time - lastInfrequentUpdate >= infrequentUpdateDelta.count()) {
ALOGI("submitting infrequent frame [%zu/%zu]", infrequentLayerUpdates,
totalInfrequentLayerUpdates);
lastInfrequentUpdate = time;
setBufferWithPresentTime(infrequentLayer, time);
infrequentLayerUpdates++;
}
if (time - startTime > PRESENT_TIME_HISTORY_DURATION.count()) {
ASSERT_NE(0u, summarizeLayerHistory(time).size());
ASSERT_GE(2u, summarizeLayerHistory(time).size());
bool max = false;
bool min = false;
Fps heuristic;
for (const auto& layer : summarizeLayerHistory(time)) {
if (layer.vote == LayerHistory::LayerVoteType::Heuristic) {
heuristic = layer.desiredRefreshRate;
} else if (layer.vote == LayerHistory::LayerVoteType::Max) {
max = true;
} else if (layer.vote == LayerHistory::LayerVoteType::Min) {
min = true;
}
}
if (infrequentLayerUpdates > FREQUENT_LAYER_WINDOW_SIZE) {
EXPECT_EQ(24_Hz, heuristic);
EXPECT_FALSE(max);
if (summarizeLayerHistory(time).size() == 2) {
EXPECT_TRUE(min);
}
}
}
}
}
class SmallAreaDetectionTest : public LayerHistoryIntegrationTest {
protected:
static constexpr int32_t DISPLAY_WIDTH = 100;
static constexpr int32_t DISPLAY_HEIGHT = 100;
static constexpr int32_t kAppId1 = 10100;
static constexpr int32_t kAppId2 = 10101;
static constexpr float kThreshold1 = 0.05f;
static constexpr float kThreshold2 = 0.07f;
SmallAreaDetectionTest() : LayerHistoryIntegrationTest() {
std::vector<std::pair<int32_t, float>> mappings;
mappings.reserve(2);
mappings.push_back(std::make_pair(kAppId1, kThreshold1));
mappings.push_back(std::make_pair(kAppId2, kThreshold2));
mFlinger.enableNewFrontEnd();
mScheduler->onActiveDisplayAreaChanged(DISPLAY_WIDTH * DISPLAY_HEIGHT);
mScheduler->updateSmallAreaDetection(mappings);
}
auto createLegacyAndFrontedEndLayer(uint32_t sequence) {
std::string layerName = "test layer:" + std::to_string(sequence);
LayerCreationArgs args = LayerCreationArgs{mFlinger.flinger(),
nullptr,
layerName,
0,
{},
std::make_optional<uint32_t>(sequence)};
args.ownerUid = kAppId1;
args.metadata.setInt32(gui::METADATA_WINDOW_TYPE, 2); // APPLICATION
const auto layer = sp<Layer>::make(args);
mFlinger.injectLegacyLayer(layer);
createRootLayer(sequence);
return layer;
}
};
TEST_F(SmallAreaDetectionTest, SmallDirtyLayer) {
auto layer = createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
uint32_t sequence = static_cast<uint32_t>(layer->sequence);
setBuffer(sequence);
setDamageRegion(sequence, Region(Rect(10, 10)));
updateLayerSnapshotsAndLayerHistory(time);
ASSERT_EQ(true, mFlinger.mutableLayerSnapshotBuilder().getSnapshot(1)->isSmallDirty);
}
TEST_F(SmallAreaDetectionTest, NotSmallDirtyLayer) {
auto layer = createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
uint32_t sequence = static_cast<uint32_t>(layer->sequence);
setBuffer(sequence);
setDamageRegion(sequence, Region(Rect(50, 50)));
updateLayerSnapshotsAndLayerHistory(time);
ASSERT_EQ(false, mFlinger.mutableLayerSnapshotBuilder().getSnapshot(1)->isSmallDirty);
}
TEST_F(SmallAreaDetectionTest, smallDirtyLayerWithMatrix) {
auto layer = createLegacyAndFrontedEndLayer(1);
nsecs_t time = systemTime();
EXPECT_EQ(1u, layerCount());
EXPECT_EQ(0u, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
// Original damage region is a small dirty.
uint32_t sequence = static_cast<uint32_t>(layer->sequence);
setBuffer(sequence);
setDamageRegion(sequence, Region(Rect(20, 20)));
updateLayerSnapshotsAndLayerHistory(time);
ASSERT_EQ(true, mFlinger.mutableLayerSnapshotBuilder().getSnapshot(1)->isSmallDirty);
setMatrix(sequence, 2.0f, 0, 0, 2.0f);
updateLayerSnapshotsAndLayerHistory(time);
// Verify if the small dirty is scaled.
ASSERT_EQ(false, mFlinger.mutableLayerSnapshotBuilder().getSnapshot(1)->isSmallDirty);
}
INSTANTIATE_TEST_CASE_P(LeapYearTests, LayerHistoryIntegrationTestParameterized,
::testing::Values(1s, 2s, 3s, 4s, 5s));
} // namespace
} // namespace android::scheduler