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The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08001/*
2 * Copyright (C) 2007 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
Dominik Laskowski9dab3432019-03-27 13:21:10 -070017#pragma once
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080018
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080019#include <sys/types.h>
20
Mathias Agopian3f844832013-08-07 21:24:32 -070021/*
22 * NOTE: Make sure this file doesn't include anything from <gl/ > or <gl2/ >
23 */
Mathias Agopian921e6ac2012-07-23 23:11:29 -070024
Dominik Laskowski83b88212018-12-11 13:34:06 -080025#include <android-base/thread_annotations.h>
Steven Moreland2716e112018-02-23 14:57:20 -080026#include <cutils/atomic.h>
Peiyong Lin2acb7d42019-01-14 17:22:27 -080027#include <cutils/compiler.h>
28#include <gui/BufferQueue.h>
Brian Anderson0a61b0c2016-12-07 14:55:56 -080029#include <gui/FrameTimestamps.h>
Mathias Agopian90ac7992012-02-25 18:48:35 -080030#include <gui/ISurfaceComposer.h>
31#include <gui/ISurfaceComposerClient.h>
Robert Carr4cdc58f2017-08-23 14:22:20 -070032#include <gui/LayerState.h>
Dan Stozae77c7662016-05-13 11:37:28 -070033#include <gui/OccupancyTracker.h>
Mathias Agopian86303202012-07-24 22:46:10 -070034#include <hardware/hwcomposer_defs.h>
chaviw291d88a2019-02-14 10:33:58 -080035#include <input/ISetInputWindowsListener.h>
Peiyong Lin2acb7d42019-01-14 17:22:27 -080036#include <layerproto/LayerProtoHeader.h>
37#include <math/mat4.h>
Vishnu Nair35798872017-10-06 16:00:36 -070038#include <serviceutils/PriorityDumper.h>
Michael Wright28f24d02016-07-12 13:30:53 -070039#include <system/graphics.h>
Peiyong Lin2acb7d42019-01-14 17:22:27 -080040#include <ui/FenceTime.h>
41#include <ui/PixelFormat.h>
42#include <utils/Errors.h>
43#include <utils/KeyedVector.h>
44#include <utils/RefBase.h>
45#include <utils/SortedVector.h>
46#include <utils/Trace.h>
47#include <utils/threads.h>
Michael Wright28f24d02016-07-12 13:30:53 -070048
Ady Abraham838de062019-02-04 10:24:03 -080049#include "AllowedDisplayConfigs.h"
Mathias Agopian92a979a2012-08-02 18:32:23 -070050#include "DisplayDevice.h"
Peiyong Lin2acb7d42019-01-14 17:22:27 -080051#include "DisplayHardware/HWC2.h"
Peiyong Lin74ca2f42019-01-14 19:36:57 -080052#include "DisplayHardware/PowerAdvisor.h"
Peiyong Lin2acb7d42019-01-14 17:22:27 -080053#include "Effects/Daltonizer.h"
Jamie Gennis4b0eba92013-02-05 13:30:24 -080054#include "FrameTracker.h"
Yiwei Zhang7124ad32018-02-21 13:02:45 -080055#include "LayerStats.h"
Robert Carr2047fae2016-11-28 14:09:09 -080056#include "LayerVector.h"
Dominik Laskowskiccf37d72019-02-01 16:47:58 -080057#include "Scheduler/RefreshRateConfigs.h"
Ana Krulecb43429d2019-01-09 14:28:51 -080058#include "Scheduler/RefreshRateStats.h"
Ana Krulec98b5b242018-08-10 15:03:23 -070059#include "Scheduler/Scheduler.h"
Ana Krulecfefcb582018-08-07 14:22:37 -070060#include "Scheduler/VSyncModulator.h"
Peiyong Lin2acb7d42019-01-14 17:22:27 -080061#include "SurfaceFlingerFactory.h"
Peiyong Lin2acb7d42019-01-14 17:22:27 -080062#include "SurfaceTracing.h"
63#include "TransactionCompletedThread.h"
Mathias Agopian86303202012-07-24 22:46:10 -070064
Dominik Laskowski83b88212018-12-11 13:34:06 -080065#include <atomic>
66#include <cstdint>
Dominik Laskowskic2867142019-01-21 11:33:38 -080067#include <functional>
Dan Stozae77c7662016-05-13 11:37:28 -070068#include <map>
Dominik Laskowski83b88212018-12-11 13:34:06 -080069#include <memory>
Brian Anderson0a61b0c2016-12-07 14:55:56 -080070#include <mutex>
71#include <queue>
Dominik Laskowski075d3172018-05-24 15:50:06 -070072#include <set>
Dan Stozae77c7662016-05-13 11:37:28 -070073#include <string>
Steven Thomasb02664d2017-07-26 18:48:28 -070074#include <thread>
Dominik Laskowskic2867142019-01-21 11:33:38 -080075#include <type_traits>
Dominik Laskowski075d3172018-05-24 15:50:06 -070076#include <unordered_map>
Brian Anderson0a61b0c2016-12-07 14:55:56 -080077#include <utility>
Dan Stozae77c7662016-05-13 11:37:28 -070078
chaviw1d044282017-09-27 12:19:28 -070079using namespace android::surfaceflinger;
80
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080081namespace android {
82
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080083class Client;
Lloyd Pique144e1162017-12-20 16:44:52 -080084class EventThread;
Dominik Laskowski9dab3432019-03-27 13:21:10 -070085class HWComposer;
Lloyd Pique12eb4232018-01-17 11:54:43 -080086class IGraphicBufferProducer;
Robert Carr720e5062018-07-30 17:45:14 -070087class IInputFlinger;
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -070088class InjectVSyncSource;
Lloyd Pique144e1162017-12-20 16:44:52 -080089class Layer;
Dominik Laskowski9dab3432019-03-27 13:21:10 -070090class MessageBase;
Ady Abraham03b02dd2019-03-21 15:40:11 -070091class RefreshRateOverlay;
Dominik Laskowski9dab3432019-03-27 13:21:10 -070092class RegionSamplingThread;
Yiwei Zhang7e666a52018-11-15 13:33:42 -080093class TimeStats;
Lloyd Pique144e1162017-12-20 16:44:52 -080094
Lloyd Pique542307f2018-10-19 13:24:08 -070095namespace compositionengine {
96class DisplaySurface;
97} // namespace compositionengine
98
Peiyong Lin833074a2018-08-28 11:53:54 -070099namespace renderengine {
Lloyd Pique144e1162017-12-20 16:44:52 -0800100class RenderEngine;
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700101} // namespace renderengine
chaviwa76b2712017-09-20 12:02:26 -0700102
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -0800103namespace dvr {
104class VrFlinger;
105} // namespace dvr
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800106
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800107enum {
Mathias Agopiane57f2922012-08-09 16:29:12 -0700108 eTransactionNeeded = 0x01,
109 eTraversalNeeded = 0x02,
110 eDisplayTransactionNeeded = 0x04,
Lloyd Piqued432a7c2018-03-23 16:05:31 -0700111 eDisplayLayerStackChanged = 0x08,
112 eTransactionMask = 0x0f,
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800113};
114
Peiyong Lindd9b2ae2018-03-01 16:22:45 -0800115enum class DisplayColorSetting : int32_t {
116 MANAGED = 0,
117 UNMANAGED = 1,
118 ENHANCED = 2,
119};
120
David Sodman105b7dc2017-11-04 20:28:14 -0700121class SurfaceFlingerBE
122{
123public:
124 SurfaceFlingerBE();
125
David Sodmanbc815282017-11-05 18:57:52 -0800126 const std::string mHwcServiceName; // "default" for real use, something else for testing.
127
David Sodman73beded2017-11-15 11:56:06 -0800128 FenceTimeline mGlCompositionDoneTimeline;
129 FenceTimeline mDisplayTimeline;
David Sodmanbc815282017-11-05 18:57:52 -0800130
David Sodman99974d22017-11-28 12:04:33 -0800131 // protected by mCompositorTimingLock;
132 mutable std::mutex mCompositorTimingLock;
133 CompositorTiming mCompositorTiming;
Lloyd Piquefcd86612017-12-14 17:15:36 -0800134
David Sodman99974d22017-11-28 12:04:33 -0800135 // Only accessed from the main thread.
136 struct CompositePresentTime {
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700137 nsecs_t composite = -1;
138 std::shared_ptr<FenceTime> display = FenceTime::NO_FENCE;
David Sodman99974d22017-11-28 12:04:33 -0800139 };
140 std::queue<CompositePresentTime> mCompositePresentTimes;
141
David Sodman4a36e932017-11-07 14:29:47 -0800142 static const size_t NUM_BUCKETS = 8; // < 1-7, 7+
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700143 nsecs_t mFrameBuckets[NUM_BUCKETS] = {};
144 nsecs_t mTotalTime = 0;
145 std::atomic<nsecs_t> mLastSwapTime = 0;
David Sodman4a36e932017-11-07 14:29:47 -0800146
David Sodmancbaf0832017-11-07 14:21:36 -0800147 // Double- vs. triple-buffering stats
148 struct BufferingStats {
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700149 size_t numSegments = 0;
150 nsecs_t totalTime = 0;
David Sodmancbaf0832017-11-07 14:21:36 -0800151
152 // "Two buffer" means that a third buffer was never used, whereas
153 // "double-buffered" means that on average the segment only used two
154 // buffers (though it may have used a third for some part of the
155 // segment)
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700156 nsecs_t twoBufferTime = 0;
157 nsecs_t doubleBufferedTime = 0;
158 nsecs_t tripleBufferedTime = 0;
David Sodmancbaf0832017-11-07 14:21:36 -0800159 };
160 mutable Mutex mBufferingStatsMutex;
161 std::unordered_map<std::string, BufferingStats> mBufferingStats;
162
David Sodman105b7dc2017-11-04 20:28:14 -0700163 // The composer sequence id is a monotonically increasing integer that we
164 // use to differentiate callbacks from different hardware composer
165 // instances. Each hardware composer instance gets a different sequence id.
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700166 int32_t mComposerSequenceId = 0;
chaviw291d88a2019-02-14 10:33:58 -0800167};
David Sodman105b7dc2017-11-04 20:28:14 -0700168
Mathias Agopian4f4f0942013-08-19 17:26:18 -0700169class SurfaceFlinger : public BnSurfaceComposer,
Vishnu Nair35798872017-10-06 16:00:36 -0700170 public PriorityDumper,
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700171 private IBinder::DeathRecipient,
Steven Thomasb02664d2017-07-26 18:48:28 -0700172 private HWC2::ComposerCallback
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800173{
174public:
David Sodman105b7dc2017-11-04 20:28:14 -0700175 SurfaceFlingerBE& getBE() { return mBE; }
176 const SurfaceFlingerBE& getBE() const { return mBE; }
Fabien Sanglard0cc19382017-03-06 11:54:40 -0800177
Fabien Sanglard0cc19382017-03-06 11:54:40 -0800178 // This is the phase offset in nanoseconds of the software vsync event
179 // relative to the vsync event reported by HWComposer. The software vsync
180 // event is when SurfaceFlinger and Choreographer-based applications run each
181 // frame.
182 //
183 // This phase offset allows adjustment of the minimum latency from application
184 // wake-up time (by Choreographer) to the time at which the resulting window
185 // image is displayed. This value may be either positive (after the HW vsync)
186 // or negative (before the HW vsync). Setting it to 0 will result in a lower
187 // latency bound of two vsync periods because the app and SurfaceFlinger
188 // will run just after the HW vsync. Setting it to a positive number will
189 // result in the minimum latency being:
190 //
191 // (2 * VSYNC_PERIOD - (vsyncPhaseOffsetNs % VSYNC_PERIOD))
192 //
193 // Note that reducing this latency makes it more likely for the applications
194 // to not have their window content image ready in time. When this happens
195 // the latency will end up being an additional vsync period, and animations
196 // will hiccup. Therefore, this latency should be tuned somewhat
197 // conservatively (or at least with awareness of the trade-off being made).
198 static int64_t vsyncPhaseOffsetNs;
199 static int64_t sfVsyncPhaseOffsetNs;
200
Fabien Sanglardcbf153b2017-03-10 17:57:12 -0800201 // If fences from sync Framework are supported.
202 static bool hasSyncFramework;
203
Fabien Sanglardc45a7d92017-03-14 13:24:22 -0700204 // The offset in nanoseconds to use when DispSync timestamps present fence
205 // signaling time.
206 static int64_t dispSyncPresentTimeOffset;
207
Fabien Sanglarda34ed632017-03-14 11:43:52 -0700208 // Some hardware can do RGB->YUV conversion more efficiently in hardware
209 // controlled by HWC than in hardware controlled by the video encoder.
210 // This instruct VirtualDisplaySurface to use HWC for such conversion on
211 // GL composition.
212 static bool useHwcForRgbToYuv;
213
Fabien Sanglardc8e387e2017-03-10 10:30:28 -0800214 // Maximum dimension supported by HWC for virtual display.
215 // Equal to min(max_height, max_width).
216 static uint64_t maxVirtualDisplaySize;
217
Fabien Sanglard1971b632017-03-10 14:50:03 -0800218 // Controls the number of buffers SurfaceFlinger will allocate for use in
219 // FramebufferSurface
220 static int64_t maxFrameBufferAcquiredBuffers;
221
Peiyong Lin13effd12018-07-24 17:01:47 -0700222 // Indicate if a device has wide color gamut display. This is typically
223 // found on devices with wide color gamut (e.g. Display-P3) display.
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -0600224 static bool hasWideColorDisplay;
225
Chia-I Wu304d9cd2018-08-27 14:38:14 -0700226 static int primaryDisplayOrientation;
227
Peiyong Lin13effd12018-07-24 17:01:47 -0700228 // Indicate if device wants color management on its display.
229 static bool useColorManagement;
230
Peiyong Linb3839ad2018-09-05 15:37:19 -0700231 static bool useContextPriority;
232
Peiyong Lin0256f722018-08-31 15:45:10 -0700233 // The data space and pixel format that SurfaceFlinger expects hardware composer
234 // to composite efficiently. Meaning under most scenarios, hardware composer
235 // will accept layers with the data space and pixel format.
Peiyong Linc6780972018-10-28 15:24:08 -0700236 static ui::Dataspace defaultCompositionDataspace;
237 static ui::PixelFormat defaultCompositionPixelFormat;
238
239 // The data space and pixel format that SurfaceFlinger expects hardware composer
240 // to composite efficiently for wide color gamut surfaces. Meaning under most scenarios,
241 // hardware composer will accept layers with the data space and pixel format.
242 static ui::Dataspace wideColorGamutCompositionDataspace;
243 static ui::PixelFormat wideColorGamutCompositionPixelFormat;
Peiyong Lin0256f722018-08-31 15:45:10 -0700244
Mathias Agopianb6df7d02013-05-09 14:53:35 -0700245 static char const* getServiceName() ANDROID_API {
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700246 return "SurfaceFlinger";
247 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800248
Lloyd Piqueac648ee2018-01-17 13:42:24 -0800249 struct SkipInitializationTag {};
250 static constexpr SkipInitializationTag SkipInitialization;
Lloyd Pique90c115d2018-09-18 21:39:42 -0700251 SurfaceFlinger(surfaceflinger::Factory&, SkipInitializationTag) ANDROID_API;
252 explicit SurfaceFlinger(surfaceflinger::Factory&) ANDROID_API;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800253
Mathias Agopian4f4f0942013-08-19 17:26:18 -0700254 // must be called before clients can connect
255 void init() ANDROID_API;
256
257 // starts SurfaceFlinger main loop in the current thread
258 void run() ANDROID_API;
259
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700260 // post an asynchronous message to the main thread
Mathias Agopian3f844832013-08-07 21:24:32 -0700261 status_t postMessageAsync(const sp<MessageBase>& msg, nsecs_t reltime = 0, uint32_t flags = 0);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800262
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700263 // post a synchronous message to the main thread
Mathias Agopian3f844832013-08-07 21:24:32 -0700264 status_t postMessageSync(const sp<MessageBase>& msg, nsecs_t reltime = 0, uint32_t flags = 0);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800265
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700266 // force full composition on all displays
267 void repaintEverything();
Mathias Agopianbf2c6a62010-12-10 16:22:31 -0800268
Ana Krulec7d1d6832018-12-27 11:10:09 -0800269 // force full composition on all displays without resetting the scheduler idle timer.
270 void repaintEverythingForHWC();
271
Lloyd Pique90c115d2018-09-18 21:39:42 -0700272 surfaceflinger::Factory& getFactory() { return mFactory; }
273
Lloyd Pique70d91362018-10-18 16:02:55 -0700274 // The CompositionEngine encapsulates all composition related interfaces and actions.
275 compositionengine::CompositionEngine& getCompositionEngine() const;
276
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700277 // returns the default Display
Dominik Laskowskidcb38bb2019-01-25 02:35:50 -0800278 sp<const DisplayDevice> getDefaultDisplayDevice() {
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -0700279 Mutex::Autolock _l(mStateLock);
280 return getDefaultDisplayDeviceLocked();
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700281 }
Mathias Agopianb60314a2012-04-10 22:09:54 -0700282
Dan Stoza436ccf32018-06-21 12:10:12 -0700283 // Obtains a name from the texture pool, or, if the pool is empty, posts a
284 // synchronous message to the main thread to obtain one on the fly
285 uint32_t getNewTexture();
286
Mathias Agopian86303202012-07-24 22:46:10 -0700287 // utility function to delete a texture on the main thread
Mathias Agopian3f844832013-08-07 21:24:32 -0700288 void deleteTextureAsync(uint32_t texture);
Mathias Agopian86303202012-07-24 22:46:10 -0700289
Mathias Agopian86303202012-07-24 22:46:10 -0700290 // enable/disable h/w composer event
291 // TODO: this should be made accessible only to EventThread
Dominik Laskowskidcb38bb2019-01-25 02:35:50 -0800292 void setPrimaryVsyncEnabled(bool enabled);
Mathias Agopian86303202012-07-24 22:46:10 -0700293
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700294 // called on the main thread by MessageQueue when an internal message
295 // is received
296 // TODO: this should be made accessible only to MessageQueue
297 void onMessageReceived(int32_t what);
Mathias Agopian3094df32012-06-18 18:06:45 -0700298
Mathias Agopiancb558572012-10-04 15:58:54 -0700299 // for debugging only
300 // TODO: this should be made accessible only to HWComposer
Dominik Laskowski075d3172018-05-24 15:50:06 -0700301 const Vector<sp<Layer>>& getLayerSortedByZForHwcDisplay(DisplayId displayId);
Mathias Agopiancb558572012-10-04 15:58:54 -0700302
Lloyd Piqueb97e04f2018-10-18 17:07:05 -0700303 renderengine::RenderEngine& getRenderEngine() const;
Jesse Hall29c3f352013-05-21 15:36:55 -0700304
Robert Carr0d480722017-01-10 16:42:54 -0800305 bool authenticateSurfaceTextureLocked(
306 const sp<IGraphicBufferProducer>& bufferProducer) const;
307
Robert Carr2e102c92018-10-23 12:11:15 -0700308 inline void onLayerCreated() { mNumLayers++; }
309 inline void onLayerDestroyed() { mNumLayers--; }
310
Marissa Walle2ffb422018-10-12 11:33:52 -0700311 TransactionCompletedThread& getTransactionCompletedThread() {
312 return mTransactionCompletedThread;
313 }
314
Mathias Agopian1f339ff2011-07-01 17:08:43 -0700315private:
David Sodman0c69cad2017-08-21 12:12:51 -0700316 friend class BufferLayer;
Marissa Wallfd668622018-05-10 10:21:13 -0700317 friend class BufferQueueLayer;
Marissa Wall61c58622018-07-18 10:12:20 -0700318 friend class BufferStateLayer;
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700319 friend class Client;
320 friend class Layer;
Dan Stozab9b08832014-03-13 11:55:57 -0700321 friend class MonitoredProducer;
Ady Abraham03b02dd2019-03-21 15:40:11 -0700322 friend class RefreshRateOverlay;
Dan Stozaec460082018-12-17 15:35:09 -0800323 friend class RegionSamplingThread;
Nataniel Borges2b796da2019-02-15 13:32:18 -0800324 friend class SurfaceTracing;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800325
Lloyd Piquef58625d2017-12-19 13:22:33 -0800326 // For unit tests
327 friend class TestableSurfaceFlinger;
328
Jamie Gennis6547ff42013-07-16 20:12:42 -0700329 // This value is specified in number of frames. Log frame stats at most
330 // every half hour.
331 enum { LOG_FRAME_STATS_PERIOD = 30*60*60 };
332
Dan Stoza7d89d062015-04-30 13:29:25 -0700333 static const size_t MAX_LAYERS = 4096;
Nataniel Borges2b796da2019-02-15 13:32:18 -0800334 static const int MAX_TRACING_MEMORY = 100 * 1024 * 1024; // 100MB
Dan Stoza7d89d062015-04-30 13:29:25 -0700335
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700336 // We're reference counted, never destroy SurfaceFlinger directly
337 virtual ~SurfaceFlinger();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800338
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700339 /* ------------------------------------------------------------------------
340 * Internal data structures
341 */
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800342
Robert Carr2047fae2016-11-28 14:09:09 -0800343 class State {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800344 public:
chaviwfd462612018-05-31 16:11:27 -0700345 explicit State(LayerVector::StateSet set) : stateSet(set), layersSortedByZ(set) {}
Dan Stoza412903f2017-04-27 13:42:17 -0700346 State& operator=(const State& other) {
347 // We explicitly don't copy stateSet so that, e.g., mDrawingState
348 // always uses the Drawing StateSet.
349 layersSortedByZ = other.layersSortedByZ;
350 displays = other.displays;
Chia-I Wu28f320b2018-05-03 11:02:56 -0700351 colorMatrixChanged = other.colorMatrixChanged;
352 if (colorMatrixChanged) {
353 colorMatrix = other.colorMatrix;
354 }
Dan Stoza412903f2017-04-27 13:42:17 -0700355 return *this;
356 }
357
358 const LayerVector::StateSet stateSet = LayerVector::StateSet::Invalid;
Mathias Agopian92a979a2012-08-02 18:32:23 -0700359 LayerVector layersSortedByZ;
Mathias Agopiane57f2922012-08-09 16:29:12 -0700360 DefaultKeyedVector< wp<IBinder>, DisplayDeviceState> displays;
Robert Carr2047fae2016-11-28 14:09:09 -0800361
Chia-I Wu28f320b2018-05-03 11:02:56 -0700362 bool colorMatrixChanged = true;
363 mat4 colorMatrix;
364
Dan Stoza412903f2017-04-27 13:42:17 -0700365 void traverseInZOrder(const LayerVector::Visitor& visitor) const;
366 void traverseInReverseZOrder(const LayerVector::Visitor& visitor) const;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800367 };
368
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700369 /* ------------------------------------------------------------------------
370 * IBinder interface
371 */
Peiyong Lin2acb7d42019-01-14 17:22:27 -0800372 status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) override;
373 status_t dump(int fd, const Vector<String16>& args) override { return priorityDump(fd, args); }
Robert Carr14167e02019-02-13 13:50:55 -0800374 bool callingThreadHasUnscopedSurfaceFlingerAccess() EXCLUDES(mStateLock);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800375
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700376 /* ------------------------------------------------------------------------
377 * ISurfaceComposer interface
378 */
Peiyong Lin2acb7d42019-01-14 17:22:27 -0800379 sp<ISurfaceComposerClient> createConnection() override;
380 sp<IBinder> createDisplay(const String8& displayName, bool secure) override;
381 void destroyDisplay(const sp<IBinder>& displayToken) override;
Dominik Laskowskidcb38bb2019-01-25 02:35:50 -0800382 std::vector<PhysicalDisplayId> getPhysicalDisplayIds() const override;
383 sp<IBinder> getPhysicalDisplayToken(PhysicalDisplayId displayId) const override;
Peiyong Lin2acb7d42019-01-14 17:22:27 -0800384 void setTransactionState(const Vector<ComposerState>& state,
385 const Vector<DisplayState>& displays, uint32_t flags,
386 const sp<IBinder>& applyToken,
Marissa Wall17b4e452018-12-26 16:32:34 -0800387 const InputWindowCommands& inputWindowCommands,
Marissa Wall3dad52d2019-03-22 14:03:19 -0700388 int64_t desiredPresentTime, const cached_buffer_t& uncacheBuffer,
389 const std::vector<ListenerCallbacks>& listenerCallbacks) override;
Peiyong Lin2acb7d42019-01-14 17:22:27 -0800390 void bootFinished() override;
391 bool authenticateSurfaceTexture(
392 const sp<IGraphicBufferProducer>& bufferProducer) const override;
393 status_t getSupportedFrameTimestamps(std::vector<FrameEvent>* outSupported) const override;
394 sp<IDisplayEventConnection> createDisplayEventConnection(
395 ISurfaceComposer::VsyncSource vsyncSource = eVsyncSourceApp) override;
396 status_t captureScreen(const sp<IBinder>& displayToken, sp<GraphicBuffer>* outBuffer,
397 const ui::Dataspace reqDataspace, const ui::PixelFormat reqPixelFormat,
398 Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
Robert Carrfa8855f2019-02-19 10:05:00 -0800399 bool useIdentityTransform, ISurfaceComposer::Rotation rotation,
400 bool captureSecureLayers) override;
Peiyong Lin2acb7d42019-01-14 17:22:27 -0800401 status_t captureLayers(const sp<IBinder>& parentHandle, sp<GraphicBuffer>* outBuffer,
402 const ui::Dataspace reqDataspace, const ui::PixelFormat reqPixelFormat,
403 const Rect& sourceCrop, float frameScale, bool childrenOnly) override;
404 status_t getDisplayStats(const sp<IBinder>& displayToken, DisplayStatInfo* stats) override;
405 status_t getDisplayConfigs(const sp<IBinder>& displayToken,
Ana Kruleca5bdd9d2019-01-29 19:00:58 -0800406 Vector<DisplayInfo>* configs) override {
407 Mutex::Autolock _l(mStateLock);
408 return getDisplayConfigsLocked(displayToken, configs);
409 }
410 status_t getDisplayConfigsLocked(const sp<IBinder>& displayToken, Vector<DisplayInfo>* configs)
411 REQUIRES(mStateLock);
Peiyong Lin2acb7d42019-01-14 17:22:27 -0800412 int getActiveConfig(const sp<IBinder>& displayToken) override;
413 status_t getDisplayColorModes(const sp<IBinder>& displayToken,
414 Vector<ui::ColorMode>* configs) override;
Daniel Solomon42d04562019-01-20 21:03:19 -0800415 status_t getDisplayNativePrimaries(const sp<IBinder>& displayToken,
416 ui::DisplayPrimaries &primaries);
Peiyong Lin2acb7d42019-01-14 17:22:27 -0800417 ui::ColorMode getActiveColorMode(const sp<IBinder>& displayToken) override;
418 status_t setActiveColorMode(const sp<IBinder>& displayToken, ui::ColorMode colorMode) override;
419 void setPowerMode(const sp<IBinder>& displayToken, int mode) override;
420 status_t setActiveConfig(const sp<IBinder>& displayToken, int id) override;
421 status_t clearAnimationFrameStats() override;
422 status_t getAnimationFrameStats(FrameStats* outStats) const override;
423 status_t getHdrCapabilities(const sp<IBinder>& displayToken,
424 HdrCapabilities* outCapabilities) const override;
425 status_t enableVSyncInjections(bool enable) override;
426 status_t injectVSync(nsecs_t when) override;
427 status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) const override;
428 status_t getColorManagement(bool* outGetColorManagement) const override;
Peiyong Linc6780972018-10-28 15:24:08 -0700429 status_t getCompositionPreference(ui::Dataspace* outDataspace, ui::PixelFormat* outPixelFormat,
430 ui::Dataspace* outWideColorGamutDataspace,
431 ui::PixelFormat* outWideColorGamutPixelFormat) const override;
Peiyong Lin2acb7d42019-01-14 17:22:27 -0800432 status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& display,
433 ui::PixelFormat* outFormat,
434 ui::Dataspace* outDataspace,
435 uint8_t* outComponentMask) const override;
436 status_t setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable,
437 uint8_t componentMask,
438 uint64_t maxFrames) const override;
439 status_t getDisplayedContentSample(const sp<IBinder>& display, uint64_t maxFrames,
440 uint64_t timestamp,
441 DisplayedFrameStats* outStats) const override;
Peiyong Lin3c2791e2019-01-14 17:05:18 -0800442 status_t getProtectedContentSupport(bool* outSupported) const override;
Peiyong Lin4f3fddf2019-01-24 17:21:24 -0800443 status_t isWideColorDisplay(const sp<IBinder>& displayToken,
444 bool* outIsWideColorDisplay) const override;
Dan Stoza84ab9372018-12-17 15:27:57 -0800445 status_t addRegionSamplingListener(const Rect& samplingArea, const sp<IBinder>& stopLayerHandle,
446 const sp<IRegionSamplingListener>& listener) override;
447 status_t removeRegionSamplingListener(const sp<IRegionSamplingListener>& listener) override;
Ady Abraham838de062019-02-04 10:24:03 -0800448 status_t setAllowedDisplayConfigs(const sp<IBinder>& displayToken,
449 const std::vector<int32_t>& allowedConfigs) override;
Ady Abrahamd9b3ea62019-02-26 14:08:03 -0800450 status_t getAllowedDisplayConfigs(const sp<IBinder>& displayToken,
451 std::vector<int32_t>* outAllowedConfigs) override;
Dan Gittik57e63c52019-01-18 16:37:54 +0000452 status_t getDisplayBrightnessSupport(const sp<IBinder>& displayToken,
453 bool* outSupport) const override;
454 status_t setDisplayBrightness(const sp<IBinder>& displayToken, float brightness) const override;
Ady Abraham838de062019-02-04 10:24:03 -0800455
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700456 /* ------------------------------------------------------------------------
457 * DeathRecipient interface
458 */
Peiyong Lin2acb7d42019-01-14 17:22:27 -0800459 void binderDied(const wp<IBinder>& who) override;
Mathias Agopian99ce5cd2012-01-31 18:24:27 -0800460
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700461 /* ------------------------------------------------------------------------
Mathias Agopian4f4f0942013-08-19 17:26:18 -0700462 * RefBase interface
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700463 */
Peiyong Lin2acb7d42019-01-14 17:22:27 -0800464 void onFirstRef() override;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800465
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700466 /* ------------------------------------------------------------------------
Steven Thomasb02664d2017-07-26 18:48:28 -0700467 * HWC2::ComposerCallback / HWComposer::EventHandler interface
Mathias Agopian86303202012-07-24 22:46:10 -0700468 */
Dominik Laskowskia2edf612018-06-01 13:15:16 -0700469 void onVsyncReceived(int32_t sequenceId, hwc2_display_t hwcDisplayId,
Steven Thomasb02664d2017-07-26 18:48:28 -0700470 int64_t timestamp) override;
Dominik Laskowskia2edf612018-06-01 13:15:16 -0700471 void onHotplugReceived(int32_t sequenceId, hwc2_display_t hwcDisplayId,
Lloyd Pique715a2c12017-12-14 17:18:08 -0800472 HWC2::Connection connection) override;
Dominik Laskowskia2edf612018-06-01 13:15:16 -0700473 void onRefreshReceived(int32_t sequenceId, hwc2_display_t hwcDisplayId) override;
Mathias Agopian86303202012-07-24 22:46:10 -0700474
475 /* ------------------------------------------------------------------------
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700476 * Message handling
477 */
478 void waitForEvent();
Steven Thomas6d8110b2017-08-31 18:24:21 -0700479 // Can only be called from the main thread or with mStateLock held
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700480 void signalTransaction();
Steven Thomas6d8110b2017-08-31 18:24:21 -0700481 // Can only be called from the main thread or with mStateLock held
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700482 void signalLayerUpdate();
483 void signalRefresh();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800484
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700485 using RefreshRateType = scheduler::RefreshRateConfigs::RefreshRateType;
486
Ady Abraham03b02dd2019-03-21 15:40:11 -0700487 struct ActiveConfigInfo {
488 RefreshRateType type;
489 int configId;
490 sp<IBinder> displayToken;
491 Scheduler::ConfigEvent event;
492
493 bool operator!=(const ActiveConfigInfo& other) const {
494 if (type != other.type) {
495 return true;
496 }
497 if (configId != other.configId) {
498 return true;
499 }
500 if (displayToken != other.displayToken) {
501 return true;
502 }
503 return (event != other.event);
504 }
505 };
506
Andy McFadden13a082e2012-08-24 10:16:42 -0700507 // called on the main thread in response to initializeDisplays()
Dominik Laskowski83b88212018-12-11 13:34:06 -0800508 void onInitializeDisplays() REQUIRES(mStateLock);
Ana Kruleca5bdd9d2019-01-29 19:00:58 -0800509 // Sets the desired active config bit. It obtains the lock, and sets mDesiredActiveConfig.
Ady Abraham03b02dd2019-03-21 15:40:11 -0700510 void setDesiredActiveConfig(const ActiveConfigInfo& info) REQUIRES(mStateLock);
Ana Kruleca5bdd9d2019-01-29 19:00:58 -0800511 // Once HWC has returned the present fence, this sets the active config and a new refresh
512 // rate in SF. It also triggers HWC vsync.
513 void setActiveConfigInternal() REQUIRES(mStateLock);
514 // Active config is updated on INVALIDATE call in a state machine-like manner. When the
Ady Abrahamb838aed2019-02-12 15:30:16 -0800515 // desired config was set, HWC needs to update the panel on the next refresh, and when
Ana Kruleca5bdd9d2019-01-29 19:00:58 -0800516 // we receive the fence back, we know that the process was complete. It returns whether
Ady Abrahamb838aed2019-02-12 15:30:16 -0800517 // we need to wait for the next invalidate
518 bool performSetActiveConfig();
Prashant Malani2c9b11f2014-05-25 01:36:31 -0700519 // called on the main thread in response to setPowerMode()
Dominik Laskowski83b88212018-12-11 13:34:06 -0800520 void setPowerModeInternal(const sp<DisplayDevice>& display, int mode) REQUIRES(mStateLock);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800521
Ady Abraham838de062019-02-04 10:24:03 -0800522 // called on the main thread in response to setAllowedDisplayConfigs()
523 void setAllowedDisplayConfigsInternal(
524 const sp<IBinder>& displayToken,
525 std::unique_ptr<const AllowedDisplayConfigs>&& allowedConfigs) REQUIRES(mStateLock);
526
Dan Stoza6b9454d2014-11-07 16:00:59 -0800527 // Returns whether the transaction actually modified any state
528 bool handleMessageTransaction();
529
530 // Returns whether a new buffer has been latched (see handlePageFlip())
531 bool handleMessageInvalidate();
532
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700533 void handleMessageRefresh();
Mathias Agopian4fec8732012-06-29 14:12:52 -0700534
Mathias Agopian87baae12012-07-31 12:38:26 -0700535 void handleTransaction(uint32_t transactionFlags);
Vishnu Nairfa5f8df2019-02-13 17:02:51 -0800536 void handleTransactionLocked(uint32_t transactionFlags) REQUIRES(mStateLock);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800537
Vishnu Nair6194e2e2019-02-06 12:58:39 -0800538 void updateInputFlinger();
539 void updateInputWindowInfo();
Vishnu Nairfa5f8df2019-02-13 17:02:51 -0800540 void commitInputWindowCommands() REQUIRES(mStateLock);
chaviwfbe5d9c2018-12-26 12:23:37 -0800541 void executeInputWindowCommands();
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700542 void setInputWindowsFinished();
Riley Andrews03414a12014-07-01 14:22:59 -0700543 void updateCursorAsync();
544
Dan Stoza6b9454d2014-11-07 16:00:59 -0800545 /* handlePageFlip - latch a new buffer if available and compute the dirty
546 * region. Returns whether a new buffer has been latched, i.e., whether it
547 * is necessary to perform a refresh during this vsync.
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700548 */
Dan Stoza6b9454d2014-11-07 16:00:59 -0800549 bool handlePageFlip();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800550
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700551 /* ------------------------------------------------------------------------
552 * Transactions
553 */
Marissa Wall713b63f2018-10-17 15:42:43 -0700554 void applyTransactionState(const Vector<ComposerState>& state,
chaviw273171b2018-12-26 11:46:30 -0800555 const Vector<DisplayState>& displays, uint32_t flags,
Robert Carr14167e02019-02-13 13:50:55 -0800556 const InputWindowCommands& inputWindowCommands,
Marissa Wall78b72202019-03-15 14:58:34 -0700557 const int64_t desiredPresentTime,
Marissa Wall3dad52d2019-03-22 14:03:19 -0700558 const cached_buffer_t& uncacheBuffer,
559 const std::vector<ListenerCallbacks>& listenerCallbacks,
560 const int64_t postTime, bool privileged, bool isMainThread = false)
561 REQUIRES(mStateLock);
Marissa Wall713b63f2018-10-17 15:42:43 -0700562 bool flushTransactionQueues();
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700563 uint32_t getTransactionFlags(uint32_t flags);
Fabien Sanglardc8251eb2016-12-07 13:59:48 -0800564 uint32_t peekTransactionFlags();
Steven Thomas6d8110b2017-08-31 18:24:21 -0700565 // Can only be called from the main thread or with mStateLock held
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700566 uint32_t setTransactionFlags(uint32_t flags);
Ana Krulec7ecce8c2018-10-12 13:44:41 -0700567 uint32_t setTransactionFlags(uint32_t flags, Scheduler::TransactionStart transactionStart);
chaviw61626f22018-11-15 16:26:27 -0800568 void latchAndReleaseBuffer(const sp<Layer>& layer);
Nataniel Borges2b796da2019-02-15 13:32:18 -0800569 void commitTransaction() REQUIRES(mStateLock);
chaviwca27f252018-02-06 16:46:39 -0800570 bool containsAnyInvalidClientState(const Vector<ComposerState>& states);
Marissa Wall17b4e452018-12-26 16:32:34 -0800571 bool transactionIsReadyToBeApplied(int64_t desiredPresentTime,
572 const Vector<ComposerState>& states);
Valerie Haubc6ddb12019-03-08 11:10:15 -0800573 uint32_t setClientStateLocked(const ComposerState& composerState, int64_t desiredPresentTime,
Marissa Wall3dad52d2019-03-22 14:03:19 -0700574 const std::vector<ListenerCallbacks>& listenerCallbacks,
Valerie Haubc6ddb12019-03-08 11:10:15 -0800575 int64_t postTime, bool privileged) REQUIRES(mStateLock);
Vishnu Nairce5d0cc2019-02-28 14:38:41 -0800576 uint32_t setDisplayStateLocked(const DisplayState& s) REQUIRES(mStateLock);
Vishnu Nairfa5f8df2019-02-13 17:02:51 -0800577 uint32_t addInputWindowCommands(const InputWindowCommands& inputWindowCommands)
578 REQUIRES(mStateLock);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800579
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700580 /* ------------------------------------------------------------------------
581 * Layer management
582 */
Evan Rosky1f6d6d52018-12-06 10:47:26 -0800583 status_t createLayer(const String8& name, const sp<Client>& client, uint32_t w, uint32_t h,
584 PixelFormat format, uint32_t flags, LayerMetadata metadata,
585 sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp, sp<Layer>* parent);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800586
Marissa Wallfd668622018-05-10 10:21:13 -0700587 status_t createBufferQueueLayer(const sp<Client>& client, const String8& name, uint32_t w,
Evan Roskya1f1e152019-01-24 16:17:46 -0800588 uint32_t h, uint32_t flags, LayerMetadata metadata,
589 PixelFormat& format, sp<IBinder>* outHandle,
590 sp<IGraphicBufferProducer>* outGbp, sp<Layer>* outLayer);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800591
Marissa Wall61c58622018-07-18 10:12:20 -0700592 status_t createBufferStateLayer(const sp<Client>& client, const String8& name, uint32_t w,
Evan Roskya1f1e152019-01-24 16:17:46 -0800593 uint32_t h, uint32_t flags, LayerMetadata metadata,
594 sp<IBinder>* outHandle, sp<Layer>* outLayer);
Marissa Wall61c58622018-07-18 10:12:20 -0700595
Evan Roskya1f1e152019-01-24 16:17:46 -0800596 status_t createColorLayer(const sp<Client>& client, const String8& name, uint32_t w, uint32_t h,
597 uint32_t flags, LayerMetadata metadata, sp<IBinder>* outHandle,
598 sp<Layer>* outLayer);
Mathias Agopian74c40c02010-09-29 13:02:36 -0700599
Evan Roskya1f1e152019-01-24 16:17:46 -0800600 status_t createContainerLayer(const sp<Client>& client, const String8& name, uint32_t w,
601 uint32_t h, uint32_t flags, LayerMetadata metadata,
602 sp<IBinder>* outHandle, sp<Layer>* outLayer);
Robert Carr6b3f6c52018-08-13 13:05:17 -0700603
Cody Northropbc755282017-03-31 12:00:08 -0600604 String8 getUniqueLayerName(const String8& name);
605
Rob Carr4bba3702018-10-08 21:53:30 +0000606 // called when all clients have released all their references to
607 // this layer meaning it is entirely safe to destroy all
608 // resources associated to this layer.
Robert Carr695d5282018-12-18 15:27:58 -0800609 void onHandleDestroyed(sp<Layer>& layer);
Robert Carr6fb1a7e2018-12-11 12:07:25 -0800610 void markLayerPendingRemovalLocked(const sp<Layer>& layer);
Mathias Agopiana4912602012-07-12 14:25:33 -0700611
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700612 // add a layer to SurfaceFlinger
Dan Stoza7d89d062015-04-30 13:29:25 -0700613 status_t addClientLayer(const sp<Client>& client,
Mathias Agopian67106042013-03-14 19:18:13 -0700614 const sp<IBinder>& handle,
615 const sp<IGraphicBufferProducer>& gbc,
Robert Carr1f0a16a2016-10-24 16:27:39 -0700616 const sp<Layer>& lbc,
Robert Carrb89ea9d2018-12-10 13:01:14 -0800617 const sp<Layer>& parent,
618 bool addToCurrentState);
Mathias Agopianf1d8e872009-04-20 19:39:12 -0700619
Vishnu Nair4351ad52019-02-11 14:13:02 -0800620 // Traverse through all the layers and compute and cache its bounds.
621 void computeLayerBounds();
622
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700623 /* ------------------------------------------------------------------------
624 * Boot animation, on/off animations and screen capture
625 */
Mathias Agopianbb641242010-05-18 17:06:55 -0700626
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700627 void startBootAnim();
Mathias Agopian96f08192010-06-02 23:28:45 -0700628
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700629 using TraverseLayersFunction = std::function<void(const LayerVector::Visitor&)>;
630
chaviwa76b2712017-09-20 12:02:26 -0700631 void renderScreenImplLocked(const RenderArea& renderArea, TraverseLayersFunction traverseLayers,
Alec Mourie7d1d4a2019-02-05 01:13:46 +0000632 ANativeWindowBuffer* buffer, bool useIdentityTransform,
633 int* outSyncFd);
chaviwa76b2712017-09-20 12:02:26 -0700634 status_t captureScreenCommon(RenderArea& renderArea, TraverseLayersFunction traverseLayers,
Peiyong Lin0e003c92018-09-17 11:09:51 -0700635 sp<GraphicBuffer>* outBuffer, const ui::PixelFormat reqPixelFormat,
chaviwa76b2712017-09-20 12:02:26 -0700636 bool useIdentityTransform);
Kevin DuBois7cbcc372019-02-25 14:53:28 -0800637 status_t captureScreenCommon(RenderArea& renderArea, TraverseLayersFunction traverseLayers,
638 const sp<GraphicBuffer>& buffer, bool useIdentityTransform);
chaviwa76b2712017-09-20 12:02:26 -0700639 status_t captureScreenImplLocked(const RenderArea& renderArea,
640 TraverseLayersFunction traverseLayers,
641 ANativeWindowBuffer* buffer, bool useIdentityTransform,
Robert Carr03480e22018-01-04 16:02:06 -0800642 bool forSystem, int* outSyncFd);
chaviw0e3479f2018-09-10 16:49:30 -0700643 void traverseLayersInDisplay(const sp<const DisplayDevice>& display,
644 const LayerVector::Visitor& visitor);
Mathias Agopianabe815d2013-03-19 22:22:21 -0700645
Lloyd Pique90c115d2018-09-18 21:39:42 -0700646 sp<StartPropertySetThread> mStartPropertySetThread;
Wei Wangb254fa32017-01-31 17:43:23 -0800647
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700648 /* ------------------------------------------------------------------------
Romain Guy11d63f42017-07-20 12:47:14 -0700649 * Properties
650 */
651 void readPersistentProperties();
652
653 /* ------------------------------------------------------------------------
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700654 * EGL
655 */
Mathias Agopian875d8e12013-06-07 15:35:48 -0700656 size_t getMaxTextureSize() const;
657 size_t getMaxViewportDims() const;
Mathias Agopiana4912602012-07-12 14:25:33 -0700658
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700659 /* ------------------------------------------------------------------------
Mathias Agopian87baae12012-07-31 12:38:26 -0700660 * Display and layer stack management
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700661 */
Andy McFadden13a082e2012-08-24 10:16:42 -0700662 // called when starting, or restarting after system_server death
663 void initializeDisplays();
664
Dominik Laskowskieecd6592018-05-29 10:25:41 -0700665 sp<const DisplayDevice> getDisplayDevice(const wp<IBinder>& displayToken) const {
666 Mutex::Autolock _l(mStateLock);
667 return getDisplayDeviceLocked(displayToken);
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -0700668 }
669
Dominik Laskowskieecd6592018-05-29 10:25:41 -0700670 sp<DisplayDevice> getDisplayDevice(const wp<IBinder>& displayToken) {
671 Mutex::Autolock _l(mStateLock);
672 return getDisplayDeviceLocked(displayToken);
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -0700673 }
674
675 // NOTE: can only be called from the main thread or with mStateLock held
Dominik Laskowskieecd6592018-05-29 10:25:41 -0700676 sp<const DisplayDevice> getDisplayDeviceLocked(const wp<IBinder>& displayToken) const {
677 return const_cast<SurfaceFlinger*>(this)->getDisplayDeviceLocked(displayToken);
Mathias Agopian92a979a2012-08-02 18:32:23 -0700678 }
Mathias Agopiandb9b41f2012-10-15 16:51:41 -0700679
680 // NOTE: can only be called from the main thread or with mStateLock held
Dominik Laskowskieecd6592018-05-29 10:25:41 -0700681 sp<DisplayDevice> getDisplayDeviceLocked(const wp<IBinder>& displayToken) {
Dominik Laskowski9fae1022018-05-29 13:17:40 -0700682 const auto it = mDisplays.find(displayToken);
683 return it == mDisplays.end() ? nullptr : it->second;
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700684 }
Mathias Agopian99b49842011-06-27 16:05:52 -0700685
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -0700686 sp<const DisplayDevice> getDefaultDisplayDeviceLocked() const {
Dominik Laskowskieecd6592018-05-29 10:25:41 -0700687 return const_cast<SurfaceFlinger*>(this)->getDefaultDisplayDeviceLocked();
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -0700688 }
689
Dominik Laskowskieecd6592018-05-29 10:25:41 -0700690 sp<DisplayDevice> getDefaultDisplayDeviceLocked() {
Dominik Laskowskidcb38bb2019-01-25 02:35:50 -0800691 if (const auto token = getInternalDisplayTokenLocked()) {
Dominik Laskowski075d3172018-05-24 15:50:06 -0700692 return getDisplayDeviceLocked(token);
693 }
694 return nullptr;
Michael Wright28f24d02016-07-12 13:30:53 -0700695 }
696
Mathias Agopian87baae12012-07-31 12:38:26 -0700697 // mark a region of a layer stack dirty. this updates the dirty
698 // region of all screens presenting this layer stack.
Chia-I Wuab0c3192017-08-01 11:29:00 -0700699 void invalidateLayerStack(const sp<const Layer>& layer, const Region& dirty);
Mathias Agopian87baae12012-07-31 12:38:26 -0700700
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700701 /* ------------------------------------------------------------------------
Mathias Agopian86303202012-07-24 22:46:10 -0700702 * H/W composer
703 */
704
Lloyd Pique441d5042018-10-18 16:49:51 -0700705 // The current hardware composer interface.
706 //
707 // The following thread safety rules apply when accessing mHwc, either
708 // directly or via getHwComposer():
709 //
710 // 1. When recreating mHwc, acquire mStateLock. We currently recreate mHwc
711 // only when switching into and out of vr. Recreating mHwc must only be
712 // done on the main thread.
713 //
714 // 2. When accessing mHwc on the main thread, it's not necessary to acquire
715 // mStateLock.
716 //
717 // 3. When accessing mHwc on a thread other than the main thread, we always
718 // need to acquire mStateLock. This is because the main thread could be
719 // in the process of destroying the current mHwc instance.
720 //
721 // The above thread safety rules only apply to SurfaceFlinger.cpp. In
722 // SurfaceFlinger_hwc1.cpp we create mHwc at surface flinger init and never
723 // destroy it, so it's always safe to access mHwc from any thread without
724 // acquiring mStateLock.
725 HWComposer& getHwComposer() const;
Mathias Agopian86303202012-07-24 22:46:10 -0700726
Mathias Agopian888c8222012-08-04 21:10:38 -0700727 /* ------------------------------------------------------------------------
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700728 * Compositing
729 */
730 void invalidateHwcGeometry();
Dominik Laskowskieecd6592018-05-29 10:25:41 -0700731 void computeVisibleRegions(const sp<const DisplayDevice>& display, Region& dirtyRegion,
732 Region& opaqueRegion);
Mathias Agopiancd60f992012-08-16 16:28:27 -0700733
David Sodman2b406362017-12-15 13:33:47 -0800734 void preComposition();
735 void postComposition();
Dominik Laskowskif654d572018-12-20 11:03:06 -0800736 void getCompositorTiming(CompositorTiming* compositorTiming);
Ana Krulece588e312018-09-18 12:32:24 -0700737 void updateCompositorTiming(const DisplayStatInfo& stats, nsecs_t compositeTime,
738 std::shared_ptr<FenceTime>& presentFenceTime);
739 void setCompositorTimingSnapped(const DisplayStatInfo& stats,
740 nsecs_t compositeToPresentLatency);
Mathias Agopiancd60f992012-08-16 16:28:27 -0700741 void rebuildLayerStacks();
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -0600742
Dominik Laskowskieecd6592018-05-29 10:25:41 -0700743 ui::Dataspace getBestDataspace(const sp<const DisplayDevice>& display,
Peiyong Lin136fbbc2018-04-17 15:09:44 -0700744 ui::Dataspace* outHdrDataSpace) const;
745
746 // Returns the appropriate ColorMode, Dataspace and RenderIntent for the
747 // DisplayDevice. The function only returns the supported ColorMode,
748 // Dataspace and RenderIntent.
Dominik Laskowskieecd6592018-05-29 10:25:41 -0700749 void pickColorMode(const sp<DisplayDevice>& display, ui::ColorMode* outMode,
750 ui::Dataspace* outDataSpace, ui::RenderIntent* outRenderIntent) const;
Romain Guy0147a172017-06-01 13:53:56 -0700751
David Sodman79bba0e2018-08-05 18:07:49 -0700752 void calculateWorkingSet();
David Sodman2b406362017-12-15 13:33:47 -0800753 /*
754 * beginFrame - This function handles any pre-frame processing that needs to be
755 * prior to any CompositionInfo handling and is not dependent on data in
756 * CompositionInfo
757 */
David Sodmanfa9b2af2017-12-24 13:28:59 -0800758 void beginFrame(const sp<DisplayDevice>& display);
David Sodman2b406362017-12-15 13:33:47 -0800759 /* prepareFrame - This function will call into the DisplayDevice to prepare a
760 * frame after CompositionInfo has been programmed. This provides a mechanism
761 * to prepare the hardware composer
762 */
David Sodmanfa9b2af2017-12-24 13:28:59 -0800763 void prepareFrame(const sp<DisplayDevice>& display);
764 void doComposition(const sp<DisplayDevice>& display, bool repainEverything);
765 void doDebugFlashRegions(const sp<DisplayDevice>& display, bool repaintEverything);
Yiwei Zhang7124ad32018-02-21 13:02:45 -0800766 void logLayerStats();
Alec Mouri0a9c7b82018-11-16 13:05:25 -0800767 void doDisplayComposition(const sp<DisplayDevice>& display, const Region& dirtyRegion);
Michael Lentine3f121fc2014-10-01 11:17:28 -0700768
Alec Mourie7d1d4a2019-02-05 01:13:46 +0000769 // This fails if using GL and the surface has been destroyed. readyFence
770 // will be populated if using GL and native fence sync is supported, to
771 // signal when drawing has completed.
772 bool doComposeSurfaces(const sp<DisplayDevice>& display, const Region& debugRegionm,
773 base::unique_fd* readyFence);
Mathias Agopiancd60f992012-08-16 16:28:27 -0700774
David Sodmanfa9b2af2017-12-24 13:28:59 -0800775 void postFramebuffer(const sp<DisplayDevice>& display);
776 void postFrame();
Chia-I Wu28e3a252018-09-07 12:05:02 -0700777 void drawWormhole(const Region& region) const;
Mathias Agopian4da75192010-08-10 17:19:56 -0700778
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700779 /* ------------------------------------------------------------------------
Jamie Gennis0bceb842012-08-23 20:19:38 -0700780 * Display management
781 */
Lloyd Pique542307f2018-10-19 13:24:08 -0700782 sp<DisplayDevice> setupNewDisplayDeviceInternal(
783 const wp<IBinder>& displayToken, const std::optional<DisplayId>& displayId,
784 const DisplayDeviceState& state,
785 const sp<compositionengine::DisplaySurface>& dispSurface,
786 const sp<IGraphicBufferProducer>& producer);
Lloyd Pique347200f2017-12-14 17:00:15 -0800787 void processDisplayChangesLocked();
Lloyd Piqueba04e622017-12-14 17:11:26 -0800788 void processDisplayHotplugEventsLocked();
Mathias Agopian3ee454a2012-08-27 16:28:24 -0700789
Dominik Laskowskidcb38bb2019-01-25 02:35:50 -0800790 void dispatchDisplayHotplugEvent(PhysicalDisplayId displayId, bool connected);
Dominik Laskowski1eba0202019-01-24 09:14:40 -0800791
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700792 /* ------------------------------------------------------------------------
793 * VSync
794 */
Dominik Laskowski83b88212018-12-11 13:34:06 -0800795 nsecs_t getVsyncPeriod() const REQUIRES(mStateLock);
Robert Carr1f0a16a2016-10-24 16:27:39 -0700796
Dominik Laskowskiccf37d72019-02-01 16:47:58 -0800797 // Sets the refresh rate by switching active configs, if they are available for
Ana Krulec7d1d6832018-12-27 11:10:09 -0800798 // the desired refresh rate.
Ady Abraham03b02dd2019-03-21 15:40:11 -0700799 void setRefreshRateTo(RefreshRateType, Scheduler::ConfigEvent event) REQUIRES(mStateLock);
Jamie Gennis0bceb842012-08-23 20:19:38 -0700800
Ady Abraham838de062019-02-04 10:24:03 -0800801 bool isConfigAllowed(const DisplayId& displayId, int32_t config);
Jamie Gennis0bceb842012-08-23 20:19:38 -0700802
Dominik Laskowskic2867142019-01-21 11:33:38 -0800803 /*
804 * Display identification
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700805 */
Dominik Laskowskidcb38bb2019-01-25 02:35:50 -0800806 sp<IBinder> getPhysicalDisplayTokenLocked(DisplayId displayId) const {
Dominik Laskowski075d3172018-05-24 15:50:06 -0700807 const auto it = mPhysicalDisplayTokens.find(displayId);
808 return it != mPhysicalDisplayTokens.end() ? it->second : nullptr;
809 }
810
Dominik Laskowskidcb38bb2019-01-25 02:35:50 -0800811 std::optional<DisplayId> getPhysicalDisplayIdLocked(const sp<IBinder>& displayToken) const {
Dominik Laskowski075d3172018-05-24 15:50:06 -0700812 for (const auto& [id, token] : mPhysicalDisplayTokens) {
813 if (token == displayToken) {
814 return id;
815 }
816 }
817 return {};
818 }
819
820 // TODO(b/74619554): Remove special cases for primary display.
Dominik Laskowskidcb38bb2019-01-25 02:35:50 -0800821 sp<IBinder> getInternalDisplayTokenLocked() const {
822 const auto displayId = getInternalDisplayIdLocked();
823 return displayId ? getPhysicalDisplayTokenLocked(*displayId) : nullptr;
Dominik Laskowski075d3172018-05-24 15:50:06 -0700824 }
825
Dominik Laskowskidcb38bb2019-01-25 02:35:50 -0800826 std::optional<DisplayId> getInternalDisplayIdLocked() const {
Dominik Laskowski075d3172018-05-24 15:50:06 -0700827 const auto hwcDisplayId = getHwComposer().getInternalHwcDisplayId();
828 return hwcDisplayId ? getHwComposer().toPhysicalDisplayId(*hwcDisplayId) : std::nullopt;
829 }
830
Dominik Laskowskic2867142019-01-21 11:33:38 -0800831 /*
832 * Debugging & dumpsys
833 */
Dominik Laskowskic2867142019-01-21 11:33:38 -0800834 using DumpArgs = Vector<String16>;
835 using Dumper = std::function<void(const DumpArgs&, bool asProto, std::string&)>;
836
837 template <typename F, std::enable_if_t<!std::is_member_function_pointer_v<F>>* = nullptr>
838 static Dumper dumper(F&& dump) {
839 using namespace std::placeholders;
840 return std::bind(std::forward<F>(dump), _3);
841 }
842
843 template <typename F, std::enable_if_t<std::is_member_function_pointer_v<F>>* = nullptr>
844 Dumper dumper(F dump) {
845 using namespace std::placeholders;
846 return std::bind(dump, this, _3);
847 }
848
849 template <typename F>
850 Dumper argsDumper(F dump) {
851 using namespace std::placeholders;
852 return std::bind(dump, this, _1, _3);
853 }
854
855 template <typename F>
856 Dumper protoDumper(F dump) {
857 using namespace std::placeholders;
858 return std::bind(dump, this, _1, _2, _3);
859 }
860
861 void dumpAllLocked(const DumpArgs& args, std::string& result) const REQUIRES(mStateLock);
862
863 void appendSfConfigString(std::string& result) const;
864 void listLayersLocked(std::string& result) const;
865 void dumpStatsLocked(const DumpArgs& args, std::string& result) const REQUIRES(mStateLock);
866 void clearStatsLocked(const DumpArgs& args, std::string& result);
867 void dumpTimeStats(const DumpArgs& args, bool asProto, std::string& result) const;
Jamie Gennis6547ff42013-07-16 20:12:42 -0700868 void logFrameStats();
869
Dominik Laskowskid9e4de62019-01-21 14:23:01 -0800870 void dumpVSync(std::string& result) const REQUIRES(mStateLock);
Yiwei Zhang5434a782018-12-05 18:06:32 -0800871 void dumpStaticScreenStats(std::string& result) const;
Brian Andersond6927fb2016-07-23 23:37:30 -0700872 // Not const because each Layer needs to query Fences and cache timestamps.
Yiwei Zhang5434a782018-12-05 18:06:32 -0800873 void dumpFrameEventsLocked(std::string& result);
Dan Stozab90cf072015-03-05 11:05:59 -0800874
Dan Stozae77c7662016-05-13 11:37:28 -0700875 void recordBufferingStats(const char* layerName,
876 std::vector<OccupancyTracker::Segment>&& history);
Yiwei Zhang5434a782018-12-05 18:06:32 -0800877 void dumpBufferingStats(std::string& result) const;
878 void dumpDisplayIdentificationData(std::string& result) const;
879 void dumpWideColorInfo(std::string& result) const;
Vishnu Nair9245d3b2019-03-22 13:38:56 -0700880 LayersProto dumpProtoInfo(LayerVector::StateSet stateSet,
881 uint32_t traceFlags = SurfaceTracing::TRACE_ALL) const;
Nataniel Borges2b796da2019-02-15 13:32:18 -0800882 void withTracingLock(std::function<void()> operation) REQUIRES(mStateLock);
Lloyd Pique37c2c9b2018-12-04 17:25:10 -0800883 LayersProto dumpVisibleLayersProtoInfo(const sp<DisplayDevice>& display) const;
Dan Stozae77c7662016-05-13 11:37:28 -0700884
Fabien Sanglard63a5fcd2016-12-29 15:13:07 -0800885 bool isLayerTripleBufferingDisabled() const {
886 return this->mLayerTripleBufferingDisabled;
887 }
Dominik Laskowskic2867142019-01-21 11:33:38 -0800888
889 status_t doDump(int fd, const DumpArgs& args, bool asProto);
890
Nataniel Borges8e7dc722019-02-28 15:10:28 -0800891 status_t dumpCritical(int fd, const DumpArgs&, bool asProto);
Dominik Laskowskic2867142019-01-21 11:33:38 -0800892
893 status_t dumpAll(int fd, const DumpArgs& args, bool asProto) override {
894 return doDump(fd, args, asProto);
895 }
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -0800896
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -0800897 /* ------------------------------------------------------------------------
898 * VrFlinger
899 */
Steven Thomasb02664d2017-07-26 18:48:28 -0700900 void resetDisplayState();
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -0800901
Steven Thomas050b2c82017-03-06 11:45:16 -0800902 // Check to see if we should handoff to vr flinger.
903 void updateVrFlinger();
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -0800904
Chia-I Wu28f320b2018-05-03 11:02:56 -0700905 void updateColorMatrixLocked();
906
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700907 /* ------------------------------------------------------------------------
908 * Attributes
909 */
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800910
Lloyd Pique90c115d2018-09-18 21:39:42 -0700911 surfaceflinger::Factory& mFactory;
912
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700913 // access must be protected by mStateLock
914 mutable Mutex mStateLock;
Dan Stoza412903f2017-04-27 13:42:17 -0700915 State mCurrentState{LayerVector::StateSet::Current};
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700916 std::atomic<int32_t> mTransactionFlags = 0;
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700917 Condition mTransactionCV;
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700918 bool mTransactionPending = false;
919 bool mAnimTransactionPending = false;
920 SortedVector<sp<Layer>> mLayersPendingRemoval;
921 bool mTraversalNeededMainThread = false;
Dan Stoza101d8dc2018-02-27 15:42:25 -0800922
Nataniel Borges2b796da2019-02-15 13:32:18 -0800923 // guards access to the mDrawing state if tracing is enabled.
924 mutable std::mutex mDrawingStateLock;
925
Chia-I Wu28f320b2018-05-03 11:02:56 -0700926 // global color transform states
927 Daltonizer mDaltonizer;
928 float mGlobalSaturationFactor = 1.0f;
929 mat4 mClientColorMatrix;
930
Dan Stoza101d8dc2018-02-27 15:42:25 -0800931 // Can't be unordered_set because wp<> isn't hashable
932 std::set<wp<IBinder>> mGraphicBufferProducerList;
Dan Stoza0a0158c2018-03-16 13:38:54 -0700933 size_t mMaxGraphicBufferProducerListSize = MAX_LAYERS;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800934
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700935 // protected by mStateLock (but we could use another lock)
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700936 bool mLayersRemoved = false;
937 bool mLayersAdded = false;
Mathias Agopianca4d3602011-05-19 15:38:14 -0700938
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700939 std::atomic<bool> mRepaintEverything = false;
Mathias Agopianca4d3602011-05-19 15:38:14 -0700940
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -0800941 // constant members (no synchronization needed for access)
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700942 const nsecs_t mBootTime = systemTime();
943 bool mGpuToCpuSupported = false;
Lloyd Piquee83f9312018-02-01 12:53:17 -0800944 std::unique_ptr<EventThread> mInjectorEventThread;
Lloyd Piquee83f9312018-02-01 12:53:17 -0800945 std::unique_ptr<InjectVSyncSource> mVSyncInjector;
Mathias Agopian3094df32012-06-18 18:06:45 -0700946
Ana Krulec757f63a2019-01-25 10:46:18 -0800947 // Calculates correct offsets.
Dan Stoza84d619e2018-03-28 17:07:36 -0700948 VSyncModulator mVsyncModulator;
Ana Krulec757f63a2019-01-25 10:46:18 -0800949 // Keeps track of all available phase offsets for different refresh types.
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700950 const std::unique_ptr<scheduler::PhaseOffsets> mPhaseOffsets;
Dan Stoza84d619e2018-03-28 17:07:36 -0700951
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700952 // Can only accessed from the main thread, these members
953 // don't need synchronization
Dan Stoza412903f2017-04-27 13:42:17 -0700954 State mDrawingState{LayerVector::StateSet::Drawing};
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700955 bool mVisibleRegionsDirty = false;
Vishnu Nair6194e2e2019-02-06 12:58:39 -0800956 // Set during transaction commit stage to track if the input info for a layer has changed.
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700957 bool mInputInfoChanged = false;
958 bool mGeometryInvalid = false;
959 bool mAnimCompositionPending = false;
Dan Stoza9e56aa02015-11-02 13:00:03 -0800960 std::vector<sp<Layer>> mLayersWithQueuedFrames;
Vishnu Nair6194e2e2019-02-06 12:58:39 -0800961 // Tracks layers that need to update a display's dirty region.
962 std::vector<sp<Layer>> mLayersPendingRefresh;
Dan Stoza05dacfb2016-07-01 13:33:38 -0700963 sp<Fence> mPreviousPresentFence = Fence::NO_FENCE;
Alec Mouricc0fc602019-02-26 21:45:19 -0800964 // True if in the previous frame at least one layer was composed via the GPU.
Dan Stoza05dacfb2016-07-01 13:33:38 -0700965 bool mHadClientComposition = false;
Alec Mouricc0fc602019-02-26 21:45:19 -0800966 // True if in the previous frame at least one layer was composed via HW Composer.
967 // Note that it is possible for a frame to be composed via both client and device
968 // composition, for example in the case of overlays.
969 bool mHadDeviceComposition = false;
Mathias Agopiandb9b41f2012-10-15 16:51:41 -0700970
Chia-I Wu14c9c7b2018-06-26 10:18:18 +0800971 enum class BootStage {
972 BOOTLOADER,
973 BOOTANIMATION,
974 FINISHED,
975 };
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700976 BootStage mBootStage = BootStage::BOOTLOADER;
Chia-I Wu14c9c7b2018-06-26 10:18:18 +0800977
Lloyd Piqueba04e622017-12-14 17:11:26 -0800978 struct HotplugEvent {
Dominik Laskowskia2edf612018-06-01 13:15:16 -0700979 hwc2_display_t hwcDisplayId;
Lloyd Piqueba04e622017-12-14 17:11:26 -0800980 HWC2::Connection connection = HWC2::Connection::Invalid;
Lloyd Piqueba04e622017-12-14 17:11:26 -0800981 };
982 // protected by mStateLock
983 std::vector<HotplugEvent> mPendingHotplugEvents;
984
Mathias Agopiandb9b41f2012-10-15 16:51:41 -0700985 // this may only be written from the main thread with mStateLock held
986 // it may be read from other threads with mStateLock held
Dominik Laskowski9fae1022018-05-29 13:17:40 -0700987 std::map<wp<IBinder>, sp<DisplayDevice>> mDisplays;
Dominik Laskowskidcb38bb2019-01-25 02:35:50 -0800988 std::unordered_map<DisplayId, sp<IBinder>> mPhysicalDisplayTokens;
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700989
990 // don't use a lock for these, we don't care
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700991 int mDebugRegion = 0;
992 bool mDebugDisableHWC = false;
993 bool mDebugDisableTransformHint = false;
994 bool mDebugEnableProtectedContent = false;
995 volatile nsecs_t mDebugInTransaction = 0;
996 bool mForceFullDamage = false;
Dan Stozac5da2712016-07-20 15:38:12 -0700997 bool mPropagateBackpressure = true;
Dominik Laskowski9dab3432019-03-27 13:21:10 -0700998 std::unique_ptr<SurfaceInterceptor> mInterceptor;
999 SurfaceTracing mTracing{*this};
Nataniel Borges2b796da2019-02-15 13:32:18 -08001000 bool mTracingEnabled = false;
1001 bool mTracingEnabledChanged GUARDED_BY(mStateLock) = false;
Yiwei Zhang7124ad32018-02-21 13:02:45 -08001002 LayerStats mLayerStats;
Dominik Laskowski9dab3432019-03-27 13:21:10 -07001003 const std::shared_ptr<TimeStats> mTimeStats;
Fabien Sanglard642b23d2017-02-09 12:29:39 -08001004 bool mUseHwcVirtualDisplays = false;
Dominik Laskowski9dab3432019-03-27 13:21:10 -07001005 std::atomic<uint32_t> mFrameMissedCount = 0;
1006 std::atomic<uint32_t> mHwcFrameMissedCount = 0;
1007 std::atomic<uint32_t> mGpuFrameMissedCount = 0;
Mathias Agopian921e6ac2012-07-23 23:11:29 -07001008
Marissa Walle2ffb422018-10-12 11:33:52 -07001009 TransactionCompletedThread mTransactionCompletedThread;
1010
Fabien Sanglard63a5fcd2016-12-29 15:13:07 -08001011 // Restrict layers to use two buffers in their bufferqueues.
1012 bool mLayerTripleBufferingDisabled = false;
1013
Mathias Agopian921e6ac2012-07-23 23:11:29 -07001014 // these are thread safe
Dominik Laskowski9dab3432019-03-27 13:21:10 -07001015 std::unique_ptr<MessageQueue> mEventQueue;
Jamie Gennis4b0eba92013-02-05 13:30:24 -08001016 FrameTracker mAnimFrameTracker;
Mathias Agopian921e6ac2012-07-23 23:11:29 -07001017
1018 // protected by mDestroyedLayerLock;
1019 mutable Mutex mDestroyedLayerLock;
Mathias Agopian13127d82013-03-05 17:47:11 -08001020 Vector<Layer const *> mDestroyedLayers;
Mathias Agopian921e6ac2012-07-23 23:11:29 -07001021
Dominik Laskowski9dab3432019-03-27 13:21:10 -07001022 nsecs_t mRefreshStartTime = 0;
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001023
Dominik Laskowski9dab3432019-03-27 13:21:10 -07001024 std::atomic<bool> mRefreshPending = false;
Dan Stoza2b6d38e2017-06-01 16:40:30 -07001025
Dan Stoza436ccf32018-06-21 12:10:12 -07001026 // We maintain a pool of pre-generated texture names to hand out to avoid
1027 // layer creation needing to run on the main thread (which it would
1028 // otherwise need to do to access RenderEngine).
1029 std::mutex mTexturePoolMutex;
1030 uint32_t mTexturePoolSize = 0;
1031 std::vector<uint32_t> mTexturePool;
1032
Marissa Wall713b63f2018-10-17 15:42:43 -07001033 struct IBinderHash {
1034 std::size_t operator()(const sp<IBinder>& strongPointer) const {
1035 return std::hash<IBinder*>{}(strongPointer.get());
1036 }
1037 };
1038 struct TransactionState {
1039 TransactionState(const Vector<ComposerState>& composerStates,
Marissa Wall17b4e452018-12-26 16:32:34 -08001040 const Vector<DisplayState>& displayStates, uint32_t transactionFlags,
Marissa Wall78b72202019-03-15 14:58:34 -07001041 int64_t desiredPresentTime, const cached_buffer_t& uncacheBuffer,
Marissa Wall3dad52d2019-03-22 14:03:19 -07001042 const std::vector<ListenerCallbacks>& listenerCallbacks, int64_t postTime,
1043 bool privileged)
Marissa Wall17b4e452018-12-26 16:32:34 -08001044 : states(composerStates),
1045 displays(displayStates),
1046 flags(transactionFlags),
Valerie Haubc6ddb12019-03-08 11:10:15 -08001047 desiredPresentTime(desiredPresentTime),
Marissa Wall78b72202019-03-15 14:58:34 -07001048 buffer(uncacheBuffer),
Marissa Wall3dad52d2019-03-22 14:03:19 -07001049 callback(listenerCallbacks),
Valerie Haubc6ddb12019-03-08 11:10:15 -08001050 postTime(postTime),
Robert Carr14167e02019-02-13 13:50:55 -08001051 privileged(privileged) {}
Marissa Wall713b63f2018-10-17 15:42:43 -07001052
1053 Vector<ComposerState> states;
1054 Vector<DisplayState> displays;
1055 uint32_t flags;
Valerie Haubc6ddb12019-03-08 11:10:15 -08001056 const int64_t desiredPresentTime;
Marissa Wall78b72202019-03-15 14:58:34 -07001057 cached_buffer_t buffer;
Marissa Wall3dad52d2019-03-22 14:03:19 -07001058 std::vector<ListenerCallbacks> callback;
Valerie Haubc6ddb12019-03-08 11:10:15 -08001059 const int64_t postTime;
Robert Carr14167e02019-02-13 13:50:55 -08001060 bool privileged;
Marissa Wall713b63f2018-10-17 15:42:43 -07001061 };
1062 std::unordered_map<sp<IBinder>, std::queue<TransactionState>, IBinderHash> mTransactionQueues;
1063
Mathias Agopian921e6ac2012-07-23 23:11:29 -07001064 /* ------------------------------------------------------------------------
1065 * Feature prototyping
1066 */
1067
Dominik Laskowski9dab3432019-03-27 13:21:10 -07001068 bool mInjectVSyncs = false;
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -07001069
Dan Stozab90cf072015-03-05 11:05:59 -08001070 // Static screen stats
Dominik Laskowski9dab3432019-03-27 13:21:10 -07001071 bool mHasPoweredOff = false;
Dan Stozae77c7662016-05-13 11:37:28 -07001072
Dominik Laskowski9dab3432019-03-27 13:21:10 -07001073 size_t mNumLayers = 0;
Robert Carr1f0a16a2016-10-24 16:27:39 -07001074
Fabien Sanglard6e8e98a2016-10-27 20:04:11 -07001075 // Verify that transaction is being called by an approved process:
1076 // either AID_GRAPHICS or AID_SYSTEM.
1077 status_t CheckTransactCodeCredentials(uint32_t code);
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -08001078
Steven Thomasb02664d2017-07-26 18:48:28 -07001079 std::unique_ptr<dvr::VrFlinger> mVrFlinger;
Dominik Laskowski9dab3432019-03-27 13:21:10 -07001080 std::atomic<bool> mVrFlingerRequestsDisplay = false;
Steven Thomas050b2c82017-03-06 11:45:16 -08001081 static bool useVrFlinger;
Dominik Laskowski9dab3432019-03-27 13:21:10 -07001082 std::thread::id mMainThreadId = std::this_thread::get_id();
Romain Guy0147a172017-06-01 13:53:56 -07001083
Chia-I Wue0ec4312018-07-03 01:17:18 +08001084 DisplayColorSetting mDisplayColorSetting = DisplayColorSetting::ENHANCED;
David Sodman105b7dc2017-11-04 20:28:14 -07001085
Peiyong Lina3ea5592019-02-10 14:45:00 -08001086 // Color mode forced by setting persist.sys.sf.color_mode, it must:
1087 // 1. not be NATIVE color mode, NATIVE color mode means no forced color mode;
1088 // 2. be one of the supported color modes returned by hardware composer, otherwise
1089 // it will not be respected.
1090 // persist.sys.sf.color_mode will only take effect when persist.sys.sf.native_mode
1091 // is not set to 1.
1092 // This property can be used to force SurfaceFlinger to always pick a certain color mode.
1093 ui::ColorMode mForceColorMode = ui::ColorMode::NATIVE;
1094
Peiyong Lin9d846a52018-11-05 13:18:20 -08001095 ui::Dataspace mDefaultCompositionDataspace;
1096 ui::Dataspace mWideColorGamutCompositionDataspace;
1097
David Sodman105b7dc2017-11-04 20:28:14 -07001098 SurfaceFlingerBE mBE;
Lloyd Pique70d91362018-10-18 16:02:55 -07001099 std::unique_ptr<compositionengine::CompositionEngine> mCompositionEngine;
Ana Krulec98b5b242018-08-10 15:03:23 -07001100
Ana Krulecb43429d2019-01-09 14:28:51 -08001101 /* ------------------------------------------------------------------------
1102 * Scheduler
1103 */
Ana Krulecba13ab32019-02-20 14:14:12 -08001104 bool mUseSmart90ForVideo = false;
Ana Krulec98b5b242018-08-10 15:03:23 -07001105 std::unique_ptr<Scheduler> mScheduler;
1106 sp<Scheduler::ConnectionHandle> mAppConnectionHandle;
1107 sp<Scheduler::ConnectionHandle> mSfConnectionHandle;
Ana Krulecb43429d2019-01-09 14:28:51 -08001108 std::unique_ptr<scheduler::RefreshRateStats> mRefreshRateStats;
Robert Carr720e5062018-07-30 17:45:14 -07001109
Ady Abraham1902d072019-03-01 17:18:59 -08001110 std::unordered_map<DisplayId, std::shared_ptr<scheduler::RefreshRateConfigs>>
1111 mRefreshRateConfigs;
1112
Ady Abraham838de062019-02-04 10:24:03 -08001113 std::mutex mAllowedConfigsLock;
1114 std::unordered_map<DisplayId, std::unique_ptr<const AllowedDisplayConfigs>> mAllowedConfigs
1115 GUARDED_BY(mAllowedConfigsLock);
1116
Ana Kruleca5bdd9d2019-01-29 19:00:58 -08001117 std::mutex mActiveConfigLock;
1118 // This bit is set once we start setting the config. We read from this bit during the
1119 // process. If at the end, this bit is different than mDesiredActiveConfig, we restart
1120 // the process.
1121 ActiveConfigInfo mUpcomingActiveConfig; // Always read and written on the main thread.
1122 // This bit can be set at any point in time when the system wants the new config.
1123 ActiveConfigInfo mDesiredActiveConfig GUARDED_BY(mActiveConfigLock);
1124
Ady Abrahamb838aed2019-02-12 15:30:16 -08001125 // below flags are set by main thread only
1126 bool mDesiredActiveConfigChanged GUARDED_BY(mActiveConfigLock) = false;
Ady Abrahamb838aed2019-02-12 15:30:16 -08001127 bool mCheckPendingFence = false;
1128
Kevin DuBois413287f2019-02-25 08:46:47 -08001129 bool mLumaSampling = true;
1130 sp<RegionSamplingThread> mRegionSamplingThread;
Dominik Laskowski9dab3432019-03-27 13:21:10 -07001131 ui::DisplayPrimaries mInternalDisplayPrimaries;
Kevin DuBois413287f2019-02-25 08:46:47 -08001132
Robert Carr720e5062018-07-30 17:45:14 -07001133 sp<IInputFlinger> mInputFlinger;
Vishnu Nairfa5f8df2019-02-13 17:02:51 -08001134 InputWindowCommands mPendingInputWindowCommands GUARDED_BY(mStateLock);
1135 // Should only be accessed by the main thread.
chaviw273171b2018-12-26 11:46:30 -08001136 InputWindowCommands mInputWindowCommands;
chaviw291d88a2019-02-14 10:33:58 -08001137
Dominik Laskowski9dab3432019-03-27 13:21:10 -07001138 struct SetInputWindowsListener : BnSetInputWindowsListener {
1139 explicit SetInputWindowsListener(sp<SurfaceFlinger> flinger)
1140 : mFlinger(std::move(flinger)) {}
1141
1142 void onSetInputWindowsFinished() override;
1143
1144 const sp<SurfaceFlinger> mFlinger;
1145 };
1146
1147 const sp<SetInputWindowsListener> mSetInputWindowsListener = new SetInputWindowsListener(this);
1148
chaviw95ef3c42019-02-14 10:55:09 -08001149 bool mPendingSyncInputWindows GUARDED_BY(mStateLock);
Peiyong Lin74ca2f42019-01-14 19:36:57 -08001150 Hwc2::impl::PowerAdvisor mPowerAdvisor;
Ady Abraham03b02dd2019-03-21 15:40:11 -07001151
1152 std::unique_ptr<RefreshRateOverlay> mRefreshRateOverlay;
Romain Guy0147a172017-06-01 13:53:56 -07001153};
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08001154
Dominik Laskowski9dab3432019-03-27 13:21:10 -07001155} // namespace android