SF: Deprecate content detection v1
Remove the code for the old content detection algorithm,
which is no longer used.
Bug: 174120566
Test: presubmit
Change-Id: I0828bcb886f32ec2ebc896848b72340862613100
diff --git a/services/surfaceflinger/Scheduler/LayerHistory.cpp b/services/surfaceflinger/Scheduler/LayerHistory.cpp
deleted file mode 100644
index 359ee26..0000000
--- a/services/surfaceflinger/Scheduler/LayerHistory.cpp
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- * Copyright 2018 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 "LayerHistory"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-
-#include "LayerHistory.h"
-
-#include <android-base/stringprintf.h>
-#include <cutils/properties.h>
-#include <utils/Log.h>
-#include <utils/Timers.h>
-#include <utils/Trace.h>
-
-#include <algorithm>
-#include <cmath>
-#include <string>
-#include <utility>
-
-#include "../Layer.h"
-#include "LayerInfo.h"
-#include "SchedulerUtils.h"
-
-namespace android::scheduler::impl {
-
-namespace {
-
-bool isLayerActive(const Layer& layer, const LayerInfo& info, nsecs_t threshold) {
- if (layer.getFrameRateForLayerTree().rate > 0) {
- return layer.isVisible();
- }
- return layer.isVisible() && info.getLastUpdatedTime() >= threshold;
-}
-
-bool traceEnabled() {
- char value[PROPERTY_VALUE_MAX];
- property_get("debug.sf.layer_history_trace", value, "0");
- return atoi(value);
-}
-
-bool useFrameRatePriority() {
- char value[PROPERTY_VALUE_MAX];
- property_get("debug.sf.use_frame_rate_priority", value, "1");
- return atoi(value);
-}
-
-void trace(const wp<Layer>& weak, int fps) {
- const auto layer = weak.promote();
- if (!layer) return;
-
- const auto& name = layer->getName();
- const auto tag = "LFPS " + name;
- ATRACE_INT(tag.c_str(), fps);
- ALOGD("%s: %s @ %d Hz", __FUNCTION__, name.c_str(), fps);
-}
-} // namespace
-
-LayerHistory::LayerHistory()
- : mTraceEnabled(traceEnabled()), mUseFrameRatePriority(useFrameRatePriority()) {}
-LayerHistory::~LayerHistory() = default;
-
-void LayerHistory::registerLayer(Layer* layer, float lowRefreshRate, float highRefreshRate,
- LayerVoteType /*type*/) {
- auto info = std::make_unique<LayerInfo>(lowRefreshRate, highRefreshRate);
- std::lock_guard lock(mLock);
- mLayerInfos.emplace_back(layer, std::move(info));
-}
-
-void LayerHistory::record(Layer* layer, nsecs_t presentTime, nsecs_t now,
- LayerUpdateType /*updateType*/) {
- std::lock_guard lock(mLock);
-
- const auto it = std::find_if(mLayerInfos.begin(), mLayerInfos.end(),
- [layer](const auto& pair) { return pair.first == layer; });
- LOG_FATAL_IF(it == mLayerInfos.end(), "%s: unknown layer %p", __FUNCTION__, layer);
-
- const auto& info = it->second;
- info->setLastPresentTime(presentTime, now);
-
- // Activate layer if inactive.
- if (const auto end = activeLayers().end(); it >= end) {
- std::iter_swap(it, end);
- mActiveLayersEnd++;
- }
-}
-
-LayerHistory::Summary LayerHistory::summarize(nsecs_t now) {
- ATRACE_CALL();
- std::lock_guard lock(mLock);
-
- partitionLayers(now);
-
- LayerHistory::Summary summary;
- for (const auto& [weakLayer, info] : activeLayers()) {
- const bool recent = info->isRecentlyActive(now);
- auto layer = weakLayer.promote();
- // Only use the layer if the reference still exists.
- if (layer || CC_UNLIKELY(mTraceEnabled)) {
- const auto layerFocused =
- Layer::isLayerFocusedBasedOnPriority(layer->getFrameRateSelectionPriority());
- // Check if frame rate was set on layer.
- const auto frameRate = layer->getFrameRateForLayerTree();
- if (frameRate.rate > 0.f) {
- const auto voteType = [&]() {
- switch (frameRate.type) {
- case Layer::FrameRateCompatibility::Default:
- return LayerVoteType::ExplicitDefault;
- case Layer::FrameRateCompatibility::ExactOrMultiple:
- return LayerVoteType::ExplicitExactOrMultiple;
- case Layer::FrameRateCompatibility::NoVote:
- return LayerVoteType::NoVote;
- }
- }();
- summary.push_back(
- RefreshRateConfigs::LayerRequirement{.name = layer->getName(),
- .vote = voteType,
- .desiredRefreshRate = frameRate.rate,
- .seamlessness = frameRate.seamlessness,
- .weight = 1.0f,
- .focused = layerFocused});
- } else if (recent) {
- summary.push_back(
- RefreshRateConfigs::LayerRequirement{.name = layer->getName(),
- .vote = LayerVoteType::Heuristic,
- .desiredRefreshRate =
- info->getRefreshRate(now),
- .seamlessness =
- Seamlessness::OnlySeamless,
- .weight = 1.0f,
- .focused = layerFocused});
- }
-
- if (CC_UNLIKELY(mTraceEnabled)) {
- trace(weakLayer, round<int>(frameRate.rate));
- }
- }
- }
-
- return summary;
-}
-
-void LayerHistory::partitionLayers(nsecs_t now) {
- const nsecs_t threshold = getActiveLayerThreshold(now);
-
- // Collect expired and inactive layers after active layers.
- size_t i = 0;
- while (i < mActiveLayersEnd) {
- auto& [weak, info] = mLayerInfos[i];
- if (const auto layer = weak.promote(); layer && isLayerActive(*layer, *info, threshold)) {
- i++;
- continue;
- }
-
- if (CC_UNLIKELY(mTraceEnabled)) {
- trace(weak, 0);
- }
-
- info->clearHistory();
- std::swap(mLayerInfos[i], mLayerInfos[--mActiveLayersEnd]);
- }
-
- // Collect expired layers after inactive layers.
- size_t end = mLayerInfos.size();
- while (i < end) {
- if (mLayerInfos[i].first.promote()) {
- i++;
- } else {
- std::swap(mLayerInfos[i], mLayerInfos[--end]);
- }
- }
-
- mLayerInfos.erase(mLayerInfos.begin() + static_cast<long>(end), mLayerInfos.end());
-}
-
-void LayerHistory::clear() {
- std::lock_guard lock(mLock);
-
- for (const auto& [layer, info] : activeLayers()) {
- info->clearHistory();
- }
-
- mActiveLayersEnd = 0;
-}
-
-std::string LayerHistory::dump() const {
- std::lock_guard lock(mLock);
- return base::StringPrintf("LayerHistory{size=%zu, active=%zu}", mLayerInfos.size(),
- mActiveLayersEnd);
-}
-
-} // namespace android::scheduler::impl
diff --git a/services/surfaceflinger/Scheduler/LayerHistory.h b/services/surfaceflinger/Scheduler/LayerHistory.h
index 128699b..3235cf2 100644
--- a/services/surfaceflinger/Scheduler/LayerHistory.h
+++ b/services/surfaceflinger/Scheduler/LayerHistory.h
@@ -76,66 +76,6 @@
};
namespace impl {
-// Records per-layer history of scheduling-related information (primarily present time),
-// heuristically categorizes layers as active or inactive, and summarizes stats about
-// active layers (primarily maximum refresh rate). See go/content-fps-detection-in-scheduler.
-class LayerHistory : public android::scheduler::LayerHistory {
-public:
- LayerHistory();
- virtual ~LayerHistory();
-
- // Layers are unregistered when the weak reference expires.
- void registerLayer(Layer*, float lowRefreshRate, float highRefreshRate,
- LayerVoteType type) override;
-
- void setDisplayArea(uint32_t /*displayArea*/) override {}
-
- void setConfigChangePending(bool /*pending*/) override {}
-
- // Marks the layer as active, and records the given state to its history.
- void record(Layer*, nsecs_t presentTime, nsecs_t now, LayerUpdateType updateType) override;
-
- // Rebuilds sets of active/inactive layers, and accumulates stats for active layers.
- android::scheduler::LayerHistory::Summary summarize(nsecs_t now) override;
-
- void clear() override;
- std::string dump() const override;
-
-private:
- friend class android::scheduler::LayerHistoryTest;
- friend TestableScheduler;
-
- using LayerPair = std::pair<wp<Layer>, std::unique_ptr<LayerInfo>>;
- using LayerInfos = std::vector<LayerPair>;
-
- struct ActiveLayers {
- LayerInfos& infos;
- const size_t index;
-
- auto begin() { return infos.begin(); }
- auto end() { return begin() + static_cast<long>(index); }
- };
-
- ActiveLayers activeLayers() REQUIRES(mLock) { return {mLayerInfos, mActiveLayersEnd}; }
-
- // Iterates over layers in a single pass, swapping pairs such that active layers precede
- // inactive layers, and inactive layers precede expired layers. Removes expired layers by
- // truncating after inactive layers.
- void partitionLayers(nsecs_t now) REQUIRES(mLock);
-
- mutable std::mutex mLock;
-
- // Partitioned such that active layers precede inactive layers. For fast lookup, the few active
- // layers are at the front, and weak pointers are stored in contiguous memory to hit the cache.
- LayerInfos mLayerInfos GUARDED_BY(mLock);
- size_t mActiveLayersEnd GUARDED_BY(mLock) = 0;
-
- // Whether to emit systrace output and debug logs.
- const bool mTraceEnabled;
-
- // Whether to use priority sent from WindowManager to determine the relevancy of the layer.
- const bool mUseFrameRatePriority;
-};
class LayerHistoryV2 : public android::scheduler::LayerHistory {
public:
diff --git a/services/surfaceflinger/Scheduler/LayerInfo.cpp b/services/surfaceflinger/Scheduler/LayerInfo.cpp
deleted file mode 100644
index 6d9dd43..0000000
--- a/services/surfaceflinger/Scheduler/LayerInfo.cpp
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright 2019 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.
- */
-
-#include "LayerInfo.h"
-
-#include <algorithm>
-#include <utility>
-
-namespace android::scheduler {
-
-LayerInfo::LayerInfo(float lowRefreshRate, float highRefreshRate)
- : mLowRefreshRate(lowRefreshRate), mHighRefreshRate(highRefreshRate) {}
-
-void LayerInfo::setLastPresentTime(nsecs_t lastPresentTime, nsecs_t now) {
- lastPresentTime = std::max(lastPresentTime, static_cast<nsecs_t>(0));
-
- // Buffers can come with a present time far in the future. That keeps them relevant.
- mLastUpdatedTime = std::max(lastPresentTime, now);
- mPresentTimeHistory.insertPresentTime(mLastUpdatedTime);
-
- if (mLastPresentTime == 0) {
- // First frame
- mLastPresentTime = lastPresentTime;
- return;
- }
-
- const nsecs_t period = lastPresentTime - mLastPresentTime;
- mLastPresentTime = lastPresentTime;
- // Ignore time diff that are too high - those are stale values
- if (period > MAX_ACTIVE_LAYER_PERIOD_NS.count()) return;
-
- const float fps = std::min(1e9f / period, mHighRefreshRate);
- mRefreshRateHistory.insertRefreshRate(fps);
-}
-
-} // namespace android::scheduler
diff --git a/services/surfaceflinger/Scheduler/LayerInfo.h b/services/surfaceflinger/Scheduler/LayerInfo.h
deleted file mode 100644
index 820624b..0000000
--- a/services/surfaceflinger/Scheduler/LayerInfo.h
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright 2019 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.
- */
-
-#pragma once
-
-#include <utils/Timers.h>
-
-#include <chrono>
-#include <deque>
-
-#include "SchedulerUtils.h"
-
-namespace android {
-
-class Layer;
-
-namespace scheduler {
-
-using namespace std::chrono_literals;
-
-// Maximum period between presents for a layer to be considered active.
-constexpr std::chrono::nanoseconds MAX_ACTIVE_LAYER_PERIOD_NS = 1200ms;
-
-// Earliest present time for a layer to be considered active.
-constexpr nsecs_t getActiveLayerThreshold(nsecs_t now) {
- return now - MAX_ACTIVE_LAYER_PERIOD_NS.count();
-}
-
-// Stores history of present times and refresh rates for a layer.
-class LayerInfo {
- // Layer is considered frequent if the earliest value in the window of most recent present times
- // is within a threshold. If a layer is infrequent, its average refresh rate is disregarded in
- // favor of a low refresh rate.
- static constexpr size_t FREQUENT_LAYER_WINDOW_SIZE = 3;
- static constexpr std::chrono::nanoseconds MAX_FREQUENT_LAYER_PERIOD_NS = 250ms;
-
- /**
- * Struct that keeps the information about the refresh rate for last
- * HISTORY_SIZE frames. This is used to better determine the refresh rate
- * for individual layers.
- */
- class RefreshRateHistory {
- public:
- explicit RefreshRateHistory(float highRefreshRate) : mHighRefreshRate(highRefreshRate) {}
-
- void insertRefreshRate(float refreshRate) {
- mElements.push_back(refreshRate);
- if (mElements.size() > HISTORY_SIZE) {
- mElements.pop_front();
- }
- }
-
- float getRefreshRateAvg() const {
- return mElements.empty() ? mHighRefreshRate : calculate_mean(mElements);
- }
-
- void clearHistory() { mElements.clear(); }
-
- private:
- const float mHighRefreshRate;
-
- static constexpr size_t HISTORY_SIZE = 30;
- std::deque<float> mElements;
- };
-
- /**
- * Struct that keeps the information about the present time for last
- * HISTORY_SIZE frames. This is used to better determine whether the given layer
- * is still relevant and it's refresh rate should be considered.
- */
- class PresentTimeHistory {
- public:
- static constexpr size_t HISTORY_SIZE = 90;
-
- void insertPresentTime(nsecs_t presentTime) {
- mElements.push_back(presentTime);
- if (mElements.size() > HISTORY_SIZE) {
- mElements.pop_front();
- }
- }
-
- // Returns whether the earliest present time is within the active threshold.
- bool isRecentlyActive(nsecs_t now) const {
- if (mElements.size() < 2) {
- return false;
- }
-
- // The layer had to publish at least HISTORY_SIZE or HISTORY_DURATION of updates
- if (mElements.size() < HISTORY_SIZE &&
- mElements.back() - mElements.front() < HISTORY_DURATION.count()) {
- return false;
- }
-
- return mElements.back() >= getActiveLayerThreshold(now);
- }
-
- bool isFrequent(nsecs_t now) const {
- // Assume layer is infrequent if too few present times have been recorded.
- if (mElements.size() < FREQUENT_LAYER_WINDOW_SIZE) {
- return false;
- }
-
- // Layer is frequent if the earliest value in the window of most recent present times is
- // within threshold.
- const auto it = mElements.end() - FREQUENT_LAYER_WINDOW_SIZE;
- const nsecs_t threshold = now - MAX_FREQUENT_LAYER_PERIOD_NS.count();
- return *it >= threshold;
- }
-
- void clearHistory() { mElements.clear(); }
-
- private:
- std::deque<nsecs_t> mElements;
- static constexpr std::chrono::nanoseconds HISTORY_DURATION = 1s;
- };
-
- friend class LayerHistoryTest;
-
-public:
- LayerInfo(float lowRefreshRate, float highRefreshRate);
-
- LayerInfo(const LayerInfo&) = delete;
- LayerInfo& operator=(const LayerInfo&) = delete;
-
- // Records the last requested oresent time. It also stores information about when
- // the layer was last updated. If the present time is farther in the future than the
- // updated time, the updated time is the present time.
- void setLastPresentTime(nsecs_t lastPresentTime, nsecs_t now);
-
- bool isRecentlyActive(nsecs_t now) const { return mPresentTimeHistory.isRecentlyActive(now); }
- bool isFrequent(nsecs_t now) const { return mPresentTimeHistory.isFrequent(now); }
-
- float getRefreshRate(nsecs_t now) const {
- return isFrequent(now) ? mRefreshRateHistory.getRefreshRateAvg() : mLowRefreshRate;
- }
-
- // Return the last updated time. If the present time is farther in the future than the
- // updated time, the updated time is the present time.
- nsecs_t getLastUpdatedTime() const { return mLastUpdatedTime; }
-
- void clearHistory() {
- mRefreshRateHistory.clearHistory();
- mPresentTimeHistory.clearHistory();
- }
-
-private:
- const float mLowRefreshRate;
- const float mHighRefreshRate;
-
- nsecs_t mLastUpdatedTime = 0;
- nsecs_t mLastPresentTime = 0;
- RefreshRateHistory mRefreshRateHistory{mHighRefreshRate};
- PresentTimeHistory mPresentTimeHistory;
-};
-
-} // namespace scheduler
-} // namespace android
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
index 4ebab3e..2559eb4 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
@@ -69,60 +69,6 @@
primaryRange.max, appRequestRange.min, appRequestRange.max);
}
-const RefreshRate& RefreshRateConfigs::getRefreshRateForContent(
- const std::vector<LayerRequirement>& layers) const {
- std::lock_guard lock(mLock);
- int contentFramerate = 0;
- int explicitContentFramerate = 0;
- for (const auto& layer : layers) {
- const auto desiredRefreshRateRound = round<int>(layer.desiredRefreshRate);
- if (layer.vote == LayerVoteType::ExplicitDefault ||
- layer.vote == LayerVoteType::ExplicitExactOrMultiple) {
- if (desiredRefreshRateRound > explicitContentFramerate) {
- explicitContentFramerate = desiredRefreshRateRound;
- }
- } else {
- if (desiredRefreshRateRound > contentFramerate) {
- contentFramerate = desiredRefreshRateRound;
- }
- }
- }
-
- if (explicitContentFramerate != 0) {
- contentFramerate = explicitContentFramerate;
- } else if (contentFramerate == 0) {
- contentFramerate = round<int>(mMaxSupportedRefreshRate->getFps());
- }
- ATRACE_INT("ContentFPS", contentFramerate);
-
- // Find the appropriate refresh rate with minimal error
- auto iter = min_element(mPrimaryRefreshRates.cbegin(), mPrimaryRefreshRates.cend(),
- [contentFramerate](const auto& lhs, const auto& rhs) -> bool {
- return std::abs(lhs->fps - contentFramerate) <
- std::abs(rhs->fps - contentFramerate);
- });
-
- // Some content aligns better on higher refresh rate. For example for 45fps we should choose
- // 90Hz config. However we should still prefer a lower refresh rate if the content doesn't
- // align well with both
- const RefreshRate* bestSoFar = *iter;
- constexpr float MARGIN = 0.05f;
- float ratio = (*iter)->fps / contentFramerate;
- if (std::abs(std::round(ratio) - ratio) > MARGIN) {
- while (iter != mPrimaryRefreshRates.cend()) {
- ratio = (*iter)->fps / contentFramerate;
-
- if (std::abs(std::round(ratio) - ratio) <= MARGIN) {
- bestSoFar = *iter;
- break;
- }
- ++iter;
- }
- }
-
- return *bestSoFar;
-}
-
std::pair<nsecs_t, nsecs_t> RefreshRateConfigs::getDisplayFrames(nsecs_t layerPeriod,
nsecs_t displayPeriod) const {
auto [displayFramesQuot, displayFramesRem] = std::div(layerPeriod, displayPeriod);
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
index 2ef8f0c..a5fadbf 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
@@ -236,10 +236,6 @@
bool operator!=(const LayerRequirement& other) const { return !(*this == other); }
};
- // Returns the refresh rate that fits best to the given layers.
- const RefreshRate& getRefreshRateForContent(const std::vector<LayerRequirement>& layers) const
- EXCLUDES(mLock);
-
// Global state describing signals that affect refresh rate choice.
struct GlobalSignals {
// Whether the user touched the screen recently. Used to apply touch boost.
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index 3706631..1e00577 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -89,9 +89,8 @@
timerSlack.count(), vsyncMoveThreshold.count());
}
-const char* toContentDetectionString(bool useContentDetection, bool useContentDetectionV2) {
- if (!useContentDetection) return "off";
- return useContentDetectionV2 ? "V2" : "V1";
+const char* toContentDetectionString(bool useContentDetection) {
+ return useContentDetection ? "on" : "off";
}
} // namespace
@@ -119,14 +118,13 @@
Scheduler::Scheduler(const scheduler::RefreshRateConfigs& configs, ISchedulerCallback& callback)
: Scheduler(configs, callback,
{.supportKernelTimer = sysprop::support_kernel_idle_timer(false),
- .useContentDetection = sysprop::use_content_detection_for_refresh_rate(false),
- .useContentDetectionV2 =
- base::GetBoolProperty("debug.sf.use_content_detection_v2"s, true)}) {}
+ .useContentDetection = sysprop::use_content_detection_for_refresh_rate(false)}) {
+}
Scheduler::Scheduler(const scheduler::RefreshRateConfigs& configs, ISchedulerCallback& callback,
Options options)
: Scheduler(createVsyncSchedule(options.supportKernelTimer), configs, callback,
- createLayerHistory(configs, options.useContentDetectionV2), options) {
+ createLayerHistory(configs), options) {
using namespace sysprop;
const int setIdleTimerMs = base::GetIntProperty("debug.sf.set_idle_timer_ms"s, 0);
@@ -195,14 +193,10 @@
}
std::unique_ptr<LayerHistory> Scheduler::createLayerHistory(
- const scheduler::RefreshRateConfigs& configs, bool useContentDetectionV2) {
+ const scheduler::RefreshRateConfigs& configs) {
if (!configs.canSwitch()) return nullptr;
- if (useContentDetectionV2) {
- return std::make_unique<scheduler::impl::LayerHistoryV2>(configs);
- }
-
- return std::make_unique<scheduler::impl::LayerHistory>();
+ return std::make_unique<scheduler::impl::LayerHistoryV2>(configs);
}
std::unique_ptr<VSyncSource> Scheduler::makePrimaryDispSyncSource(
@@ -518,14 +512,6 @@
// still need to be registered.
mLayerHistory->registerLayer(layer, minFps, maxFps,
scheduler::LayerHistory::LayerVoteType::Max);
- } else if (!mOptions.useContentDetectionV2) {
- // In V1 of content detection, all layers are registered as Heuristic (unless it's
- // wallpaper).
- const auto highFps =
- layer->getWindowType() == InputWindowInfo::Type::WALLPAPER ? minFps : maxFps;
-
- mLayerHistory->registerLayer(layer, minFps, highFps,
- scheduler::LayerHistory::LayerVoteType::Heuristic);
} else {
if (layer->getWindowType() == InputWindowInfo::Type::WALLPAPER) {
// Running Wallpaper at Min is considered as part of content detection.
@@ -564,8 +550,6 @@
return;
}
mFeatures.contentRequirements = summary;
- mFeatures.contentDetectionV1 =
- !summary.empty() ? ContentDetectionState::On : ContentDetectionState::Off;
scheduler::RefreshRateConfigs::GlobalSignals consideredSignals;
newConfigId = calculateRefreshRateConfigIndexType(&consideredSignals);
@@ -672,8 +656,7 @@
StringAppendF(&result, "+ Touch timer: %s\n",
mTouchTimer ? mTouchTimer->dump().c_str() : "off");
StringAppendF(&result, "+ Content detection: %s %s\n\n",
- toContentDetectionString(mOptions.useContentDetection,
- mOptions.useContentDetectionV2),
+ toContentDetectionString(mOptions.useContentDetection),
mLayerHistory ? mLayerHistory->dump().c_str() : "(no layer history)");
}
@@ -730,29 +713,6 @@
const bool touchActive = mTouchTimer && mFeatures.touch == TouchState::Active;
const bool idle = mIdleTimer && mFeatures.idleTimer == TimerState::Expired;
- if (!mOptions.useContentDetectionV2) {
- // As long as touch is active we want to be in performance mode.
- if (touchActive) {
- return mRefreshRateConfigs.getMaxRefreshRateByPolicy().getConfigId();
- }
-
- // If timer has expired as it means there is no new content on the screen.
- if (idle) {
- if (consideredSignals) consideredSignals->idle = true;
- return mRefreshRateConfigs.getMinRefreshRateByPolicy().getConfigId();
- }
-
- // If content detection is off we choose performance as we don't know the content fps.
- if (mFeatures.contentDetectionV1 == ContentDetectionState::Off) {
- // NOTE: V1 always calls this, but this is not a default behavior for V2.
- return mRefreshRateConfigs.getMaxRefreshRateByPolicy().getConfigId();
- }
-
- // Content detection is on, find the appropriate refresh rate with minimal error
- return mRefreshRateConfigs.getRefreshRateForContent(mFeatures.contentRequirements)
- .getConfigId();
- }
-
return mRefreshRateConfigs
.getBestRefreshRate(mFeatures.contentRequirements, {.touch = touchActive, .idle = idle},
consideredSignals)
diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index 4c86d26..936d96a 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -180,8 +180,6 @@
bool supportKernelTimer;
// Whether to use content detection at all.
bool useContentDetection;
- // Whether to use improved content detection.
- bool useContentDetectionV2;
};
struct VsyncSchedule {
@@ -198,8 +196,7 @@
std::unique_ptr<LayerHistory>, Options);
static VsyncSchedule createVsyncSchedule(bool supportKernelIdleTimer);
- static std::unique_ptr<LayerHistory> createLayerHistory(const scheduler::RefreshRateConfigs&,
- bool useContentDetectionV2);
+ static std::unique_ptr<LayerHistory> createLayerHistory(const scheduler::RefreshRateConfigs&);
// Create a connection on the given EventThread.
ConnectionHandle createConnection(std::unique_ptr<EventThread>);
@@ -267,7 +264,6 @@
std::mutex mFeatureStateLock;
struct {
- ContentDetectionState contentDetectionV1 = ContentDetectionState::Off;
TimerState idleTimer = TimerState::Reset;
TouchState touch = TouchState::Inactive;
TimerState displayPowerTimer = TimerState::Expired;