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Ady Abraham8a82ba62020-01-17 12:43:17 -08001/*
2 * Copyright 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#undef LOG_TAG
Marin Shalamanov1bc43ee2020-11-20 16:56:52 +010018#define LOG_TAG "LayerHistory"
Ady Abraham8a82ba62020-01-17 12:43:17 -080019#define ATRACE_TAG ATRACE_TAG_GRAPHICS
20
21#include "LayerHistory.h"
22
Dominik Laskowski983f2b52020-06-25 16:54:06 -070023#include <android-base/stringprintf.h>
Ady Abraham8a82ba62020-01-17 12:43:17 -080024#include <cutils/properties.h>
Ady Abraham73c3df52023-01-12 18:09:31 -080025#include <gui/TraceUtils.h>
Ady Abraham8a82ba62020-01-17 12:43:17 -080026#include <utils/Log.h>
27#include <utils/Timers.h>
Ady Abraham8a82ba62020-01-17 12:43:17 -080028
29#include <algorithm>
30#include <cmath>
31#include <string>
32#include <utility>
33
34#include "../Layer.h"
Marin Shalamanov1bc43ee2020-11-20 16:56:52 +010035#include "LayerInfo.h"
Ady Abraham8a82ba62020-01-17 12:43:17 -080036
Marin Shalamanov1bc43ee2020-11-20 16:56:52 +010037namespace android::scheduler {
Ady Abraham8a82ba62020-01-17 12:43:17 -080038
39namespace {
40
Ady Abrahambdda8f02021-04-01 16:06:11 -070041bool isLayerActive(const LayerInfo& info, nsecs_t threshold) {
Ady Abraham89089c92020-04-15 18:24:41 -070042 // Layers with an explicit vote are always kept active
Ady Abrahambdda8f02021-04-01 16:06:11 -070043 if (info.getSetFrameRateVote().rate.isValid()) {
Ady Abraham89089c92020-04-15 18:24:41 -070044 return true;
Ady Abraham8a82ba62020-01-17 12:43:17 -080045 }
Ady Abraham89089c92020-04-15 18:24:41 -070046
Ady Abrahambdda8f02021-04-01 16:06:11 -070047 return info.isVisible() && info.getLastUpdatedTime() >= threshold;
Ady Abraham8a82ba62020-01-17 12:43:17 -080048}
49
50bool traceEnabled() {
51 return property_get_bool("debug.sf.layer_history_trace", false);
52}
53
54bool useFrameRatePriority() {
55 char value[PROPERTY_VALUE_MAX];
56 property_get("debug.sf.use_frame_rate_priority", value, "1");
57 return atoi(value);
58}
59
Ady Abrahambdda8f02021-04-01 16:06:11 -070060void trace(const LayerInfo& info, LayerHistory::LayerVoteType type, int fps) {
Ady Abraham0ccd79b2020-06-10 10:11:17 -070061 const auto traceType = [&](LayerHistory::LayerVoteType checkedType, int value) {
62 ATRACE_INT(info.getTraceTag(checkedType), type == checkedType ? value : 0);
Ady Abrahama6b676e2020-05-27 14:29:09 -070063 };
64
Ady Abraham0ccd79b2020-06-10 10:11:17 -070065 traceType(LayerHistory::LayerVoteType::NoVote, 1);
66 traceType(LayerHistory::LayerVoteType::Heuristic, fps);
67 traceType(LayerHistory::LayerVoteType::ExplicitDefault, fps);
68 traceType(LayerHistory::LayerVoteType::ExplicitExactOrMultiple, fps);
Ady Abrahamdd5bfa92021-01-07 17:56:08 -080069 traceType(LayerHistory::LayerVoteType::ExplicitExact, fps);
Ady Abraham0ccd79b2020-06-10 10:11:17 -070070 traceType(LayerHistory::LayerVoteType::Min, 1);
71 traceType(LayerHistory::LayerVoteType::Max, 1);
Ady Abraham8a82ba62020-01-17 12:43:17 -080072
Ady Abrahambdda8f02021-04-01 16:06:11 -070073 ALOGD("%s: %s @ %d Hz", __FUNCTION__, info.getName().c_str(), fps);
Ady Abraham8a82ba62020-01-17 12:43:17 -080074}
Andy Labrada096227e2022-06-15 16:58:11 +000075
76LayerHistory::LayerVoteType getVoteType(LayerInfo::FrameRateCompatibility compatibility,
77 bool contentDetectionEnabled) {
78 LayerHistory::LayerVoteType voteType;
79 if (!contentDetectionEnabled || compatibility == LayerInfo::FrameRateCompatibility::NoVote) {
80 voteType = LayerHistory::LayerVoteType::NoVote;
81 } else if (compatibility == LayerInfo::FrameRateCompatibility::Min) {
82 voteType = LayerHistory::LayerVoteType::Min;
83 } else {
84 voteType = LayerHistory::LayerVoteType::Heuristic;
85 }
86 return voteType;
87}
88
Ady Abraham8a82ba62020-01-17 12:43:17 -080089} // namespace
90
Ady Abraham3efa3942021-06-24 19:01:25 -070091LayerHistory::LayerHistory()
Ady Abrahamb1b9d412020-06-01 19:53:52 -070092 : mTraceEnabled(traceEnabled()), mUseFrameRatePriority(useFrameRatePriority()) {
Marin Shalamanov1bc43ee2020-11-20 16:56:52 +010093 LayerInfo::setTraceEnabled(mTraceEnabled);
Ady Abrahamb1b9d412020-06-01 19:53:52 -070094}
95
Marin Shalamanov1bc43ee2020-11-20 16:56:52 +010096LayerHistory::~LayerHistory() = default;
Ady Abraham8a82ba62020-01-17 12:43:17 -080097
Andy Labrada096227e2022-06-15 16:58:11 +000098void LayerHistory::registerLayer(Layer* layer, bool contentDetectionEnabled) {
Ady Abraham8a82ba62020-01-17 12:43:17 -080099 std::lock_guard lock(mLock);
Dominik Laskowski0c41ffa2021-12-24 16:45:12 -0800100 LOG_ALWAYS_FATAL_IF(findLayer(layer->getSequence()).first != LayerStatus::NotFound,
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400101 "%s already registered", layer->getName().c_str());
Andy Labrada096227e2022-06-15 16:58:11 +0000102 LayerVoteType type =
103 getVoteType(layer->getDefaultFrameRateCompatibility(), contentDetectionEnabled);
Ady Abrahambe09aad2021-05-03 18:59:38 -0700104 auto info = std::make_unique<LayerInfo>(layer->getName(), layer->getOwnerUid(), type);
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400105
106 // The layer can be placed on either map, it is assumed that partitionLayers() will be called
107 // to correct them.
108 mInactiveLayerInfos.insert({layer->getSequence(), std::make_pair(layer, std::move(info))});
Ady Abraham8a82ba62020-01-17 12:43:17 -0800109}
110
Ady Abrahambdda8f02021-04-01 16:06:11 -0700111void LayerHistory::deregisterLayer(Layer* layer) {
112 std::lock_guard lock(mLock);
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400113 if (!mActiveLayerInfos.erase(layer->getSequence())) {
114 if (!mInactiveLayerInfos.erase(layer->getSequence())) {
115 LOG_ALWAYS_FATAL("%s: unknown layer %p", __FUNCTION__, layer);
116 }
Ady Abrahambdda8f02021-04-01 16:06:11 -0700117 }
Ady Abrahambdda8f02021-04-01 16:06:11 -0700118}
119
Marin Shalamanov1bc43ee2020-11-20 16:56:52 +0100120void LayerHistory::record(Layer* layer, nsecs_t presentTime, nsecs_t now,
121 LayerUpdateType updateType) {
Ady Abraham8a82ba62020-01-17 12:43:17 -0800122 std::lock_guard lock(mLock);
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400123 auto id = layer->getSequence();
Ady Abraham8a82ba62020-01-17 12:43:17 -0800124
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400125 auto [found, layerPair] = findLayer(id);
Dominik Laskowski0c41ffa2021-12-24 16:45:12 -0800126 if (found == LayerStatus::NotFound) {
Ady Abrahambe09aad2021-05-03 18:59:38 -0700127 // Offscreen layer
Dominik Laskowski0c41ffa2021-12-24 16:45:12 -0800128 ALOGV("%s: %s not registered", __func__, layer->getName().c_str());
Ady Abrahambe09aad2021-05-03 18:59:38 -0700129 return;
130 }
Ady Abraham8a82ba62020-01-17 12:43:17 -0800131
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400132 const auto& info = layerPair->second;
Ady Abrahambdda8f02021-04-01 16:06:11 -0700133 const auto layerProps = LayerInfo::LayerProps{
134 .visible = layer->isVisible(),
135 .bounds = layer->getBounds(),
136 .transform = layer->getTransform(),
137 .setFrameRateVote = layer->getFrameRateForLayerTree(),
138 .frameRateSelectionPriority = layer->getFrameRateSelectionPriority(),
139 };
140
141 info->setLastPresentTime(presentTime, now, updateType, mModeChangePending, layerProps);
Ady Abraham8a82ba62020-01-17 12:43:17 -0800142
143 // Activate layer if inactive.
Dominik Laskowski0c41ffa2021-12-24 16:45:12 -0800144 if (found == LayerStatus::LayerInInactiveMap) {
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400145 mActiveLayerInfos.insert(
146 {id, std::make_pair(layerPair->first, std::move(layerPair->second))});
147 mInactiveLayerInfos.erase(id);
Ady Abraham8a82ba62020-01-17 12:43:17 -0800148 }
149}
150
Andy Labrada096227e2022-06-15 16:58:11 +0000151void LayerHistory::setDefaultFrameRateCompatibility(Layer* layer, bool contentDetectionEnabled) {
152 std::lock_guard lock(mLock);
153 auto id = layer->getSequence();
154
155 auto [found, layerPair] = findLayer(id);
156 if (found == LayerStatus::NotFound) {
157 // Offscreen layer
158 ALOGV("%s: %s not registered", __func__, layer->getName().c_str());
159 return;
160 }
161
162 const auto& info = layerPair->second;
163 info->setDefaultLayerVote(
164 getVoteType(layer->getDefaultFrameRateCompatibility(), contentDetectionEnabled));
165}
166
Dominik Laskowskid82e0f02022-10-26 15:23:04 -0400167auto LayerHistory::summarize(const RefreshRateSelector& selector, nsecs_t now) -> Summary {
Ady Abraham73c3df52023-01-12 18:09:31 -0800168 ATRACE_CALL();
Dominik Laskowski0c41ffa2021-12-24 16:45:12 -0800169 Summary summary;
Ady Abraham8a82ba62020-01-17 12:43:17 -0800170
171 std::lock_guard lock(mLock);
172
173 partitionLayers(now);
174
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400175 for (const auto& [key, value] : mActiveLayerInfos) {
176 auto& info = value.second;
Ady Abrahambdda8f02021-04-01 16:06:11 -0700177 const auto frameRateSelectionPriority = info->getFrameRateSelectionPriority();
Ady Abrahamaae5ed52020-06-26 09:32:43 -0700178 const auto layerFocused = Layer::isLayerFocusedBasedOnPriority(frameRateSelectionPriority);
Ady Abrahambdda8f02021-04-01 16:06:11 -0700179 ALOGV("%s has priority: %d %s focused", info->getName().c_str(), frameRateSelectionPriority,
180 layerFocused ? "" : "not");
Ana Krulec3803b8d2020-02-03 16:35:46 -0800181
Ady Abraham73c3df52023-01-12 18:09:31 -0800182 ATRACE_FORMAT("%s", info->getName().c_str());
Dominik Laskowskid82e0f02022-10-26 15:23:04 -0400183 const auto vote = info->getRefreshRateVote(selector, now);
Ady Abraham89089c92020-04-15 18:24:41 -0700184 // Skip NoVote layer as those don't have any requirements
Dominik Laskowski0c41ffa2021-12-24 16:45:12 -0800185 if (vote.type == LayerVoteType::NoVote) {
Ady Abraham89089c92020-04-15 18:24:41 -0700186 continue;
187 }
Ady Abraham8a82ba62020-01-17 12:43:17 -0800188
Ady Abraham89089c92020-04-15 18:24:41 -0700189 // Compute the layer's position on the screen
Ady Abrahambdda8f02021-04-01 16:06:11 -0700190 const Rect bounds = Rect(info->getBounds());
191 const ui::Transform transform = info->getTransform();
Ady Abraham89089c92020-04-15 18:24:41 -0700192 constexpr bool roundOutwards = true;
193 Rect transformed = transform.transform(bounds, roundOutwards);
Ady Abraham8a82ba62020-01-17 12:43:17 -0800194
Ady Abraham89089c92020-04-15 18:24:41 -0700195 const float layerArea = transformed.getWidth() * transformed.getHeight();
196 float weight = mDisplayArea ? layerArea / mDisplayArea : 0.0f;
Ady Abraham73c3df52023-01-12 18:09:31 -0800197 ATRACE_FORMAT_INSTANT("%s %s (%d%)", ftl::enum_string(vote.type).c_str(),
198 to_string(vote.fps).c_str(), weight * 100);
Ady Abrahambdda8f02021-04-01 16:06:11 -0700199 summary.push_back({info->getName(), info->getOwnerUid(), vote.type, vote.fps,
Ady Abraham62a0be22020-12-08 16:54:10 -0800200 vote.seamlessness, weight, layerFocused});
Ady Abraham8a82ba62020-01-17 12:43:17 -0800201
Ady Abraham89089c92020-04-15 18:24:41 -0700202 if (CC_UNLIKELY(mTraceEnabled)) {
Ady Abrahambdda8f02021-04-01 16:06:11 -0700203 trace(*info, vote.type, vote.fps.getIntValue());
Ady Abraham8a82ba62020-01-17 12:43:17 -0800204 }
205 }
206
207 return summary;
208}
209
Marin Shalamanov1bc43ee2020-11-20 16:56:52 +0100210void LayerHistory::partitionLayers(nsecs_t now) {
Ady Abraham73c3df52023-01-12 18:09:31 -0800211 ATRACE_CALL();
Ady Abraham8a82ba62020-01-17 12:43:17 -0800212 const nsecs_t threshold = getActiveLayerThreshold(now);
213
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400214 // iterate over inactive map
215 LayerInfos::iterator it = mInactiveLayerInfos.begin();
216 while (it != mInactiveLayerInfos.end()) {
217 auto& [layerUnsafe, info] = it->second;
Ady Abrahambdda8f02021-04-01 16:06:11 -0700218 if (isLayerActive(*info, threshold)) {
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400219 // move this to the active map
220
221 mActiveLayerInfos.insert({it->first, std::move(it->second)});
222 it = mInactiveLayerInfos.erase(it);
223 } else {
224 if (CC_UNLIKELY(mTraceEnabled)) {
Dominik Laskowski0c41ffa2021-12-24 16:45:12 -0800225 trace(*info, LayerVoteType::NoVote, 0);
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400226 }
227 info->onLayerInactive(now);
228 it++;
229 }
230 }
231
232 // iterate over active map
233 it = mActiveLayerInfos.begin();
234 while (it != mActiveLayerInfos.end()) {
235 auto& [layerUnsafe, info] = it->second;
236 if (isLayerActive(*info, threshold)) {
Ady Abraham8a82ba62020-01-17 12:43:17 -0800237 // Set layer vote if set
Ady Abrahambdda8f02021-04-01 16:06:11 -0700238 const auto frameRate = info->getSetFrameRateVote();
Ady Abraham71c437d2020-01-31 15:56:57 -0800239 const auto voteType = [&]() {
240 switch (frameRate.type) {
241 case Layer::FrameRateCompatibility::Default:
242 return LayerVoteType::ExplicitDefault;
Andy Labrada096227e2022-06-15 16:58:11 +0000243 case Layer::FrameRateCompatibility::Min:
244 return LayerVoteType::Min;
Ady Abraham71c437d2020-01-31 15:56:57 -0800245 case Layer::FrameRateCompatibility::ExactOrMultiple:
246 return LayerVoteType::ExplicitExactOrMultiple;
247 case Layer::FrameRateCompatibility::NoVote:
248 return LayerVoteType::NoVote;
Ady Abrahamdd5bfa92021-01-07 17:56:08 -0800249 case Layer::FrameRateCompatibility::Exact:
250 return LayerVoteType::ExplicitExact;
Ady Abraham8a82ba62020-01-17 12:43:17 -0800251 }
Ady Abraham71c437d2020-01-31 15:56:57 -0800252 }();
Ady Abraham5dde5972020-05-13 10:50:54 -0700253
Marin Shalamanove8a663d2020-11-24 17:48:00 +0100254 if (frameRate.rate.isValid() || voteType == LayerVoteType::NoVote) {
Ady Abrahambdda8f02021-04-01 16:06:11 -0700255 const auto type = info->isVisible() ? voteType : LayerVoteType::NoVote;
Marin Shalamanov53fc11d2020-11-20 14:00:13 +0100256 info->setLayerVote({type, frameRate.rate, frameRate.seamlessness});
Ady Abraham8a82ba62020-01-17 12:43:17 -0800257 } else {
258 info->resetLayerVote();
259 }
Ady Abraham8a82ba62020-01-17 12:43:17 -0800260
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400261 it++;
262 } else {
263 if (CC_UNLIKELY(mTraceEnabled)) {
Dominik Laskowski0c41ffa2021-12-24 16:45:12 -0800264 trace(*info, LayerVoteType::NoVote, 0);
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400265 }
266 info->onLayerInactive(now);
267 // move this to the inactive map
268 mInactiveLayerInfos.insert({it->first, std::move(it->second)});
269 it = mActiveLayerInfos.erase(it);
Ady Abraham8a82ba62020-01-17 12:43:17 -0800270 }
Ady Abraham8a82ba62020-01-17 12:43:17 -0800271 }
Ady Abraham8a82ba62020-01-17 12:43:17 -0800272}
273
Marin Shalamanov1bc43ee2020-11-20 16:56:52 +0100274void LayerHistory::clear() {
Ady Abraham8a82ba62020-01-17 12:43:17 -0800275 std::lock_guard lock(mLock);
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400276 for (const auto& [key, value] : mActiveLayerInfos) {
277 value.second->clearHistory(systemTime());
Ady Abraham8a82ba62020-01-17 12:43:17 -0800278 }
Ady Abraham8a82ba62020-01-17 12:43:17 -0800279}
Ady Abraham0ccd79b2020-06-10 10:11:17 -0700280
Marin Shalamanov1bc43ee2020-11-20 16:56:52 +0100281std::string LayerHistory::dump() const {
Dominik Laskowski983f2b52020-06-25 16:54:06 -0700282 std::lock_guard lock(mLock);
Dominik Laskowski03cfce82022-11-02 12:13:29 -0400283 return base::StringPrintf("{size=%zu, active=%zu}",
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400284 mActiveLayerInfos.size() + mInactiveLayerInfos.size(),
285 mActiveLayerInfos.size());
286}
287
288float LayerHistory::getLayerFramerate(nsecs_t now, int32_t id) const {
289 std::lock_guard lock(mLock);
290 auto [found, layerPair] = findLayer(id);
Dominik Laskowski0c41ffa2021-12-24 16:45:12 -0800291 if (found != LayerStatus::NotFound) {
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400292 return layerPair->second->getFps(now).getValue();
293 }
294 return 0.f;
295}
296
Dominik Laskowski0c41ffa2021-12-24 16:45:12 -0800297auto LayerHistory::findLayer(int32_t id) -> std::pair<LayerStatus, LayerPair*> {
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400298 // the layer could be in either the active or inactive map, try both
299 auto it = mActiveLayerInfos.find(id);
300 if (it != mActiveLayerInfos.end()) {
Dominik Laskowski0c41ffa2021-12-24 16:45:12 -0800301 return {LayerStatus::LayerInActiveMap, &(it->second)};
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400302 }
303 it = mInactiveLayerInfos.find(id);
304 if (it != mInactiveLayerInfos.end()) {
Dominik Laskowski0c41ffa2021-12-24 16:45:12 -0800305 return {LayerStatus::LayerInInactiveMap, &(it->second)};
Nathaniel Nifong1303d912021-10-06 09:41:24 -0400306 }
Dominik Laskowski0c41ffa2021-12-24 16:45:12 -0800307 return {LayerStatus::NotFound, nullptr};
Dominik Laskowski983f2b52020-06-25 16:54:06 -0700308}
309
Marin Shalamanov1bc43ee2020-11-20 16:56:52 +0100310} // namespace android::scheduler