blob: afd2b7197fdbb2e873aac1943957107db330dd5e [file] [log] [blame]
/*
* 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 "LayerHistoryTestV2"
#include <Layer.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <log/log.h>
#include "Scheduler/LayerHistory.h"
#include "Scheduler/LayerInfoV2.h"
#include "TestableScheduler.h"
#include "TestableSurfaceFlinger.h"
#include "mock/MockLayer.h"
using testing::_;
using testing::Return;
namespace android::scheduler {
class LayerHistoryTestV2 : public testing::Test {
protected:
static constexpr auto PRESENT_TIME_HISTORY_SIZE = LayerInfoV2::HISTORY_SIZE;
static constexpr auto MAX_FREQUENT_LAYER_PERIOD_NS = LayerInfoV2::MAX_FREQUENT_LAYER_PERIOD_NS;
static constexpr auto FREQUENT_LAYER_WINDOW_SIZE = LayerInfoV2::FREQUENT_LAYER_WINDOW_SIZE;
static constexpr auto PRESENT_TIME_HISTORY_DURATION = LayerInfoV2::HISTORY_DURATION;
static constexpr auto REFRESH_RATE_AVERAGE_HISTORY_DURATION =
LayerInfoV2::RefreshRateHistory::HISTORY_DURATION;
static constexpr float LO_FPS = 30.f;
static constexpr auto LO_FPS_PERIOD = static_cast<nsecs_t>(1e9f / LO_FPS);
static constexpr float HI_FPS = 90.f;
static constexpr auto HI_FPS_PERIOD = static_cast<nsecs_t>(1e9f / HI_FPS);
LayerHistoryTestV2() { mFlinger.resetScheduler(mScheduler); }
impl::LayerHistoryV2& history() { return *mScheduler->mutableLayerHistoryV2(); }
const impl::LayerHistoryV2& history() const { return *mScheduler->mutableLayerHistoryV2(); }
size_t layerCount() const { return mScheduler->layerHistorySize(); }
size_t activeLayerCount() const NO_THREAD_SAFETY_ANALYSIS { return history().mActiveLayersEnd; }
auto frequentLayerCount(nsecs_t now) const NO_THREAD_SAFETY_ANALYSIS {
const auto& infos = history().mLayerInfos;
return std::count_if(infos.begin(),
infos.begin() + static_cast<long>(history().mActiveLayersEnd),
[now](const auto& pair) { return pair.second->isFrequent(now); });
}
auto animatingLayerCount(nsecs_t now) const NO_THREAD_SAFETY_ANALYSIS {
const auto& infos = history().mLayerInfos;
return std::count_if(infos.begin(),
infos.begin() + static_cast<long>(history().mActiveLayersEnd),
[now](const auto& pair) { return pair.second->isAnimating(now); });
}
void setLayerInfoVote(Layer* layer,
LayerHistory::LayerVoteType vote) NO_THREAD_SAFETY_ANALYSIS {
for (auto& [weak, info] : history().mLayerInfos) {
if (auto strong = weak.promote(); strong && strong.get() == layer) {
info->setDefaultLayerVote(vote);
info->setLayerVote(vote, 0);
return;
}
}
}
auto createLayer() { return sp<mock::MockLayer>(new mock::MockLayer(mFlinger.flinger())); }
auto createLayer(std::string name) {
return sp<mock::MockLayer>(new mock::MockLayer(mFlinger.flinger(), std::move(name)));
}
void recordFramesAndExpect(const sp<mock::MockLayer>& layer, nsecs_t& time, float frameRate,
float desiredRefreshRate, int numFrames) {
const nsecs_t framePeriod = static_cast<nsecs_t>(1e9f / frameRate);
impl::LayerHistoryV2::Summary summary;
for (int i = 0; i < numFrames; i++) {
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += framePeriod;
summary = history().summarize(time);
}
ASSERT_EQ(1, summary.size());
ASSERT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
ASSERT_FLOAT_EQ(desiredRefreshRate, summary[0].desiredRefreshRate)
<< "Frame rate is " << frameRate;
}
Hwc2::mock::Display mDisplay;
RefreshRateConfigs mConfigs{{HWC2::Display::Config::Builder(mDisplay, 0)
.setVsyncPeriod(int32_t(LO_FPS_PERIOD))
.setConfigGroup(0)
.build(),
HWC2::Display::Config::Builder(mDisplay, 1)
.setVsyncPeriod(int32_t(HI_FPS_PERIOD))
.setConfigGroup(0)
.build()},
HwcConfigIndexType(0)};
TestableScheduler* const mScheduler{new TestableScheduler(mConfigs, true)};
TestableSurfaceFlinger mFlinger;
};
namespace {
TEST_F(LayerHistoryTestV2, oneLayer) {
const auto layer = createLayer();
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
EXPECT_EQ(1, layerCount());
EXPECT_EQ(0, activeLayerCount());
const nsecs_t time = systemTime();
// No layers returned if no layers are active.
EXPECT_TRUE(history().summarize(time).empty());
EXPECT_EQ(0, activeLayerCount());
// Max returned if active layers have insufficient history.
for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE - 1; i++) {
history().record(layer.get(), 0, time, LayerHistory::LayerUpdateType::Buffer);
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, history().summarize(time)[0].vote);
EXPECT_EQ(1, activeLayerCount());
}
// Max is returned since we have enough history but there is no timestamp votes.
for (int i = 0; i < 10; i++) {
history().record(layer.get(), 0, time, LayerHistory::LayerUpdateType::Buffer);
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, history().summarize(time)[0].vote);
EXPECT_EQ(1, activeLayerCount());
}
}
TEST_F(LayerHistoryTestV2, oneInvisibleLayer) {
const auto layer = createLayer();
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
EXPECT_EQ(1, layerCount());
EXPECT_EQ(0, activeLayerCount());
nsecs_t time = systemTime();
history().record(layer.get(), 0, time, LayerHistory::LayerUpdateType::Buffer);
auto summary = history().summarize(time);
ASSERT_EQ(1, history().summarize(time).size());
// Layer is still considered inactive so we expect to get Min
EXPECT_EQ(LayerHistory::LayerVoteType::Max, history().summarize(time)[0].vote);
EXPECT_EQ(1, activeLayerCount());
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(false));
summary = history().summarize(time);
EXPECT_TRUE(history().summarize(time).empty());
EXPECT_EQ(0, activeLayerCount());
}
TEST_F(LayerHistoryTestV2, explicitTimestamp) {
const auto layer = createLayer();
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
EXPECT_EQ(1, layerCount());
EXPECT_EQ(0, activeLayerCount());
nsecs_t time = systemTime();
for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += LO_FPS_PERIOD;
}
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, history().summarize(time)[0].vote);
EXPECT_FLOAT_EQ(LO_FPS, history().summarize(time)[0].desiredRefreshRate);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
}
TEST_F(LayerHistoryTestV2, oneLayerNoVote) {
const auto layer = createLayer();
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::NoVote);
EXPECT_EQ(1, layerCount());
EXPECT_EQ(0, activeLayerCount());
nsecs_t time = systemTime();
for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += HI_FPS_PERIOD;
}
ASSERT_TRUE(history().summarize(time).empty());
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
// layer became inactive
time += MAX_ACTIVE_LAYER_PERIOD_NS.count();
ASSERT_TRUE(history().summarize(time).empty());
EXPECT_EQ(0, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
}
TEST_F(LayerHistoryTestV2, oneLayerMinVote) {
const auto layer = createLayer();
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::Min);
EXPECT_EQ(1, layerCount());
EXPECT_EQ(0, activeLayerCount());
nsecs_t time = systemTime();
for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += HI_FPS_PERIOD;
}
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, history().summarize(time)[0].vote);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
// layer became inactive
time += MAX_ACTIVE_LAYER_PERIOD_NS.count();
ASSERT_TRUE(history().summarize(time).empty());
EXPECT_EQ(0, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
}
TEST_F(LayerHistoryTestV2, oneLayerMaxVote) {
const auto layer = createLayer();
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::Max);
EXPECT_EQ(1, layerCount());
EXPECT_EQ(0, activeLayerCount());
nsecs_t time = systemTime();
for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += LO_FPS_PERIOD;
}
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, history().summarize(time)[0].vote);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
// layer became inactive
time += MAX_ACTIVE_LAYER_PERIOD_NS.count();
ASSERT_TRUE(history().summarize(time).empty());
EXPECT_EQ(0, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
}
TEST_F(LayerHistoryTestV2, oneLayerExplicitVote) {
auto layer = createLayer();
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer, getFrameRateForLayerTree())
.WillRepeatedly(
Return(Layer::FrameRate(73.4f, Layer::FrameRateCompatibility::Default)));
EXPECT_EQ(1, layerCount());
EXPECT_EQ(0, activeLayerCount());
nsecs_t time = systemTime();
for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += HI_FPS_PERIOD;
}
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitDefault, history().summarize(time)[0].vote);
EXPECT_FLOAT_EQ(73.4f, history().summarize(time)[0].desiredRefreshRate);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
// layer became inactive, but the vote stays
setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::Heuristic);
time += MAX_ACTIVE_LAYER_PERIOD_NS.count();
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitDefault, history().summarize(time)[0].vote);
EXPECT_FLOAT_EQ(73.4f, history().summarize(time)[0].desiredRefreshRate);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
}
TEST_F(LayerHistoryTestV2, oneLayerExplicitExactVote) {
auto layer = createLayer();
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer, getFrameRateForLayerTree())
.WillRepeatedly(Return(
Layer::FrameRate(73.4f, Layer::FrameRateCompatibility::ExactOrMultiple)));
EXPECT_EQ(1, layerCount());
EXPECT_EQ(0, activeLayerCount());
nsecs_t time = systemTime();
for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += HI_FPS_PERIOD;
}
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitExactOrMultiple,
history().summarize(time)[0].vote);
EXPECT_FLOAT_EQ(73.4f, history().summarize(time)[0].desiredRefreshRate);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
// layer became inactive, but the vote stays
setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::Heuristic);
time += MAX_ACTIVE_LAYER_PERIOD_NS.count();
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitExactOrMultiple,
history().summarize(time)[0].vote);
EXPECT_FLOAT_EQ(73.4f, history().summarize(time)[0].desiredRefreshRate);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
}
TEST_F(LayerHistoryTestV2, multipleLayers) {
auto layer1 = createLayer();
auto layer2 = createLayer();
auto layer3 = createLayer();
EXPECT_CALL(*layer1, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer1, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
EXPECT_CALL(*layer2, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer2, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
EXPECT_CALL(*layer3, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer3, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
nsecs_t time = systemTime();
EXPECT_EQ(3, layerCount());
EXPECT_EQ(0, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
impl::LayerHistoryV2::Summary summary;
// layer1 is active but infrequent.
for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
history().record(layer1.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
summary = history().summarize(time);
}
ASSERT_EQ(1, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, summary[0].vote);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
// layer2 is frequent and has high refresh rate.
for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
history().record(layer2.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += HI_FPS_PERIOD;
summary = history().summarize(time);
}
// layer1 is still active but infrequent.
history().record(layer1.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
ASSERT_EQ(2, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, summary[0].vote);
ASSERT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[1].vote);
EXPECT_FLOAT_EQ(HI_FPS, history().summarize(time)[1].desiredRefreshRate);
EXPECT_EQ(2, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
// layer1 is no longer active.
// layer2 is frequent and has low refresh rate.
for (int i = 0; i < 2 * PRESENT_TIME_HISTORY_SIZE; i++) {
history().record(layer2.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += LO_FPS_PERIOD;
summary = history().summarize(time);
}
ASSERT_EQ(1, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_FLOAT_EQ(LO_FPS, summary[0].desiredRefreshRate);
EXPECT_EQ(1, 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 (int i = 0; i < PRESENT_TIME_HISTORY_SIZE - 1; i++) {
if (i % RATIO == 0) {
history().record(layer2.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
}
history().record(layer3.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += HI_FPS_PERIOD;
summary = history().summarize(time);
}
ASSERT_EQ(2, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_FLOAT_EQ(LO_FPS, summary[0].desiredRefreshRate);
EXPECT_EQ(LayerHistory::LayerVoteType::Max, summary[1].vote);
EXPECT_EQ(2, activeLayerCount());
EXPECT_EQ(2, frequentLayerCount(time));
// layer3 becomes recently active.
history().record(layer3.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
summary = history().summarize(time);
ASSERT_EQ(2, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_FLOAT_EQ(LO_FPS, summary[0].desiredRefreshRate);
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[1].vote);
EXPECT_FLOAT_EQ(HI_FPS, summary[1].desiredRefreshRate);
EXPECT_EQ(2, activeLayerCount());
EXPECT_EQ(2, frequentLayerCount(time));
// layer1 expires.
layer1.clear();
summary = history().summarize(time);
ASSERT_EQ(2, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_FLOAT_EQ(LO_FPS, summary[0].desiredRefreshRate);
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[1].vote);
EXPECT_FLOAT_EQ(HI_FPS, summary[1].desiredRefreshRate);
EXPECT_EQ(2, layerCount());
EXPECT_EQ(2, activeLayerCount());
EXPECT_EQ(2, frequentLayerCount(time));
// layer2 still has low refresh rate.
// layer3 becomes inactive.
for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
history().record(layer2.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += LO_FPS_PERIOD;
summary = history().summarize(time);
}
ASSERT_EQ(1, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_FLOAT_EQ(LO_FPS, summary[0].desiredRefreshRate);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
// layer2 expires.
layer2.clear();
summary = history().summarize(time);
EXPECT_TRUE(summary.empty());
EXPECT_EQ(1, layerCount());
EXPECT_EQ(0, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
// layer3 becomes active and has high refresh rate.
for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE + FREQUENT_LAYER_WINDOW_SIZE + 1; i++) {
history().record(layer3.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += HI_FPS_PERIOD;
summary = history().summarize(time);
}
ASSERT_EQ(1, summary.size());
EXPECT_EQ(LayerHistory::LayerVoteType::Heuristic, summary[0].vote);
EXPECT_FLOAT_EQ(HI_FPS, summary[0].desiredRefreshRate);
EXPECT_EQ(1, layerCount());
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
// layer3 expires.
layer3.clear();
summary = history().summarize(time);
EXPECT_TRUE(summary.empty());
EXPECT_EQ(0, layerCount());
EXPECT_EQ(0, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
}
TEST_F(LayerHistoryTestV2, inactiveLayers) {
auto layer = createLayer();
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
nsecs_t time = systemTime();
// the very first updates makes the layer frequent
for (int i = 0; i < FREQUENT_LAYER_WINDOW_SIZE - 1; i++) {
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
EXPECT_EQ(1, layerCount());
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, history().summarize(time)[0].vote);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
}
// the next update with the MAX_FREQUENT_LAYER_PERIOD_NS will get us to infrequent
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
EXPECT_EQ(1, layerCount());
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, history().summarize(time)[0].vote);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
// advance the time for the previous frame to be inactive
time += MAX_ACTIVE_LAYER_PERIOD_NS.count();
// Now event if we post a quick few frame we should stay infrequent
for (int i = 0; i < FREQUENT_LAYER_WINDOW_SIZE - 1; i++) {
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += HI_FPS_PERIOD;
EXPECT_EQ(1, layerCount());
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, history().summarize(time)[0].vote);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
}
// More quick frames will get us to frequent again
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += HI_FPS_PERIOD;
EXPECT_EQ(1, layerCount());
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, history().summarize(time)[0].vote);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(1, frequentLayerCount(time));
}
TEST_F(LayerHistoryTestV2, invisibleExplicitLayer) {
auto explicitVisiblelayer = createLayer();
auto explicitInvisiblelayer = createLayer();
EXPECT_CALL(*explicitVisiblelayer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*explicitVisiblelayer, getFrameRateForLayerTree())
.WillRepeatedly(Return(
Layer::FrameRate(60.0f, Layer::FrameRateCompatibility::ExactOrMultiple)));
EXPECT_CALL(*explicitInvisiblelayer, isVisible()).WillRepeatedly(Return(false));
EXPECT_CALL(*explicitInvisiblelayer, getFrameRateForLayerTree())
.WillRepeatedly(Return(
Layer::FrameRate(90.0f, Layer::FrameRateCompatibility::ExactOrMultiple)));
nsecs_t time = systemTime();
// Post a buffer to the layers to make them active
history().record(explicitVisiblelayer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
history().record(explicitInvisiblelayer.get(), time, time,
LayerHistory::LayerUpdateType::Buffer);
EXPECT_EQ(2, layerCount());
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::ExplicitExactOrMultiple,
history().summarize(time)[0].vote);
EXPECT_FLOAT_EQ(60.0f, history().summarize(time)[0].desiredRefreshRate);
EXPECT_EQ(2, activeLayerCount());
EXPECT_EQ(2, frequentLayerCount(time));
}
TEST_F(LayerHistoryTestV2, infrequentAnimatingLayer) {
auto layer = createLayer();
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
nsecs_t time = systemTime();
EXPECT_EQ(1, layerCount());
EXPECT_EQ(0, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// layer is active but infrequent.
for (int i = 0; i < PRESENT_TIME_HISTORY_SIZE; i++) {
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
}
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, history().summarize(time)[0].vote);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// another update with the same cadence keep in infrequent
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Min, history().summarize(time)[0].vote);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
EXPECT_EQ(0, animatingLayerCount(time));
// an update as animation will immediately vote for Max
history().record(layer.get(), time, time, LayerHistory::LayerUpdateType::AnimationTX);
time += MAX_FREQUENT_LAYER_PERIOD_NS.count();
ASSERT_EQ(1, history().summarize(time).size());
EXPECT_EQ(LayerHistory::LayerVoteType::Max, history().summarize(time)[0].vote);
EXPECT_EQ(1, activeLayerCount());
EXPECT_EQ(0, frequentLayerCount(time));
EXPECT_EQ(1, animatingLayerCount(time));
}
TEST_F(LayerHistoryTestV2, heuristicLayer60Hz) {
const auto layer = createLayer();
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
nsecs_t time = systemTime();
for (float fps = 54.0f; fps < 65.0f; fps += 0.1f) {
recordFramesAndExpect(layer, time, fps, 60.0f, PRESENT_TIME_HISTORY_SIZE);
}
}
TEST_F(LayerHistoryTestV2, heuristicLayer60_30Hz) {
const auto layer = createLayer();
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
nsecs_t time = systemTime();
recordFramesAndExpect(layer, time, 60.0f, 60.0f, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 60.0f, 60.0f, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 30.0f, 60.0f, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 30.0f, 30.0f, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 60.0f, 30.0f, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 60.0f, 60.0f, PRESENT_TIME_HISTORY_SIZE);
}
TEST_F(LayerHistoryTestV2, heuristicLayerNotOscillating) {
const auto layer = createLayer();
EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
nsecs_t time = systemTime();
recordFramesAndExpect(layer, time, 27.10f, 30.0f, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 26.90f, 30.0f, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 26.00f, 24.0f, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 26.90f, 24.0f, PRESENT_TIME_HISTORY_SIZE);
recordFramesAndExpect(layer, time, 27.10f, 30.0f, PRESENT_TIME_HISTORY_SIZE);
}
class LayerHistoryTestV2Parameterized
: public LayerHistoryTestV2,
public testing::WithParamInterface<std::chrono::nanoseconds> {};
TEST_P(LayerHistoryTestV2Parameterized, HeuristicLayerWithInfrequentLayer) {
std::chrono::nanoseconds infrequentUpdateDelta = GetParam();
auto heuristicLayer = createLayer("HeuristicLayer");
EXPECT_CALL(*heuristicLayer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*heuristicLayer, getFrameRateForLayerTree())
.WillRepeatedly(Return(Layer::FrameRate()));
auto infrequentLayer = createLayer("InfrequentLayer");
EXPECT_CALL(*infrequentLayer, isVisible()).WillRepeatedly(Return(true));
EXPECT_CALL(*infrequentLayer, getFrameRateForLayerTree())
.WillRepeatedly(Return(Layer::FrameRate()));
const nsecs_t startTime = systemTime();
const std::chrono::nanoseconds heuristicUpdateDelta = 41'666'667ns;
history().record(heuristicLayer.get(), startTime, startTime,
LayerHistory::LayerUpdateType::Buffer);
history().record(infrequentLayer.get(), startTime, startTime,
LayerHistory::LayerUpdateType::Buffer);
nsecs_t time = startTime;
nsecs_t lastInfrequentUpdate = startTime;
const int totalInfrequentLayerUpdates = FREQUENT_LAYER_WINDOW_SIZE * 5;
int infrequentLayerUpdates = 0;
while (infrequentLayerUpdates <= totalInfrequentLayerUpdates) {
time += heuristicUpdateDelta.count();
history().record(heuristicLayer.get(), time, time, LayerHistory::LayerUpdateType::Buffer);
if (time - lastInfrequentUpdate >= infrequentUpdateDelta.count()) {
ALOGI("submitting infrequent frame [%d/%d]", infrequentLayerUpdates,
totalInfrequentLayerUpdates);
lastInfrequentUpdate = time;
history().record(infrequentLayer.get(), time, time,
LayerHistory::LayerUpdateType::Buffer);
infrequentLayerUpdates++;
}
if (time - startTime > PRESENT_TIME_HISTORY_DURATION.count()) {
ASSERT_NE(0, history().summarize(time).size());
ASSERT_GE(2, history().summarize(time).size());
bool max = false;
bool min = false;
float heuristic = 0;
for (const auto& layer : history().summarize(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_FLOAT_EQ(24.0f, heuristic);
EXPECT_FALSE(max);
if (history().summarize(time).size() == 2) {
EXPECT_TRUE(min);
}
}
}
}
}
INSTANTIATE_TEST_CASE_P(LeapYearTests, LayerHistoryTestV2Parameterized,
::testing::Values(1s, 2s, 3s, 4s, 5s));
} // namespace
} // namespace android::scheduler