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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
Dan Stoza9e56aa02015-11-02 13:00:03 -080017// #define LOG_NDEBUG 0
Jamie Gennis1c8e95c2012-02-23 19:27:23 -080018#define ATRACE_TAG ATRACE_TAG_GRAPHICS
19
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080020#include <stdint.h>
Mathias Agopian921e6ac2012-07-23 23:11:29 -070021#include <sys/types.h>
Romain Guy0147a172017-06-01 13:53:56 -070022#include <algorithm>
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080023#include <errno.h>
24#include <math.h>
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -070025#include <mutex>
Keun young Park63f165f2012-08-31 10:53:36 -070026#include <dlfcn.h>
Greg Hackmann86efcc02014-03-07 12:44:02 -080027#include <inttypes.h>
Jesse Hallb154c422014-07-13 12:47:02 -070028#include <stdatomic.h>
Dan Stoza2b6d38e2017-06-01 16:40:30 -070029#include <optional>
Mathias Agopian921e6ac2012-07-23 23:11:29 -070030
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080031#include <cutils/properties.h>
Mark Salyzyn7823e122016-09-29 08:08:05 -070032#include <log/log.h>
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080033
Mathias Agopianc5b2c0b2009-05-19 19:08:10 -070034#include <binder/IPCThreadState.h>
35#include <binder/IServiceManager.h>
Mathias Agopian99b49842011-06-27 16:05:52 -070036#include <binder/PermissionCache.h>
Mathias Agopian7303c6b2009-07-02 18:11:53 -070037
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -080038#include <dvr/vr_flinger.h>
39
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -060040#include <ui/DebugUtils.h>
Mathias Agopianc666cae2012-07-25 18:56:13 -070041#include <ui/DisplayInfo.h>
Lajos Molnar67d8bd62014-09-11 14:58:45 -070042#include <ui/DisplayStatInfo.h>
Mathias Agopianc666cae2012-07-25 18:56:13 -070043
Jamie Gennis1a4d8832012-08-02 20:11:05 -070044#include <gui/BufferQueue.h>
Andy McFadden4803b742012-09-24 19:07:20 -070045#include <gui/GuiConfig.h>
Jamie Gennis1a4d8832012-08-02 20:11:05 -070046#include <gui/IDisplayEventConnection.h>
Kalle Raitaa099a242017-01-11 11:17:29 -080047#include <gui/LayerDebugInfo.h>
Mathias Agopiane3c697f2013-02-14 17:11:02 -080048#include <gui/Surface.h>
Mathias Agopian921e6ac2012-07-23 23:11:29 -070049
50#include <ui/GraphicBufferAllocator.h>
51#include <ui/PixelFormat.h>
Andy McFadden4803b742012-09-24 19:07:20 -070052#include <ui/UiConfig.h>
Mathias Agopiand0566bc2011-11-17 17:49:17 -080053
Mathias Agopiancde87a32012-09-13 14:09:01 -070054#include <utils/misc.h>
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080055#include <utils/String8.h>
56#include <utils/String16.h>
57#include <utils/StopWatch.h>
Yusuke Sato0a688f52015-07-30 23:05:39 -070058#include <utils/Timers.h>
Jamie Gennis1c8e95c2012-02-23 19:27:23 -080059#include <utils/Trace.h>
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080060
Mathias Agopian921e6ac2012-07-23 23:11:29 -070061#include <private/android_filesystem_config.h>
Mathias Agopianca088332013-03-28 17:44:13 -070062#include <private/gui/SyncFeatures.h>
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080063
Robert Carr578038f2018-03-09 12:25:24 -080064#include "BufferLayer.h"
Mathias Agopian3e25fd82013-04-22 17:52:16 +020065#include "Client.h"
Robert Carr578038f2018-03-09 12:25:24 -080066#include "ColorLayer.h"
Mathias Agopian3e25fd82013-04-22 17:52:16 +020067#include "Colorizer.h"
Robert Carr578038f2018-03-09 12:25:24 -080068#include "ContainerLayer.h"
Mathias Agopian90ac7992012-02-25 18:48:35 -080069#include "DdmConnection.h"
Jamie Gennisfaf77cc2013-07-30 15:10:32 -070070#include "DispSync.h"
Robert Carr578038f2018-03-09 12:25:24 -080071#include "DisplayDevice.h"
Jamie Gennisd1700752013-10-14 12:22:52 -070072#include "EventControlThread.h"
Mathias Agopiand0566bc2011-11-17 17:49:17 -080073#include "EventThread.h"
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080074#include "Layer.h"
Robert Carr1f0a16a2016-10-24 16:27:39 -070075#include "LayerVector.h"
Robert Carr1db73f62016-12-21 12:58:51 -080076#include "MonitoredProducer.h"
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080077#include "SurfaceFlinger.h"
Robert Carr578038f2018-03-09 12:25:24 -080078#include "clz.h"
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080079
Steven Thomasb02664d2017-07-26 18:48:28 -070080#include "DisplayHardware/ComposerHal.h"
Mathias Agopiana4912602012-07-12 14:25:33 -070081#include "DisplayHardware/FramebufferSurface.h"
Mathias Agopiana350ff92010-08-10 17:14:02 -070082#include "DisplayHardware/HWComposer.h"
Jesse Hall99c7dbb2013-03-14 14:29:29 -070083#include "DisplayHardware/VirtualDisplaySurface.h"
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080084
Mathias Agopianff2ed702013-09-01 21:36:12 -070085#include "Effects/Daltonizer.h"
86
Mathias Agopian875d8e12013-06-07 15:35:48 -070087#include "RenderEngine/RenderEngine.h"
Mathias Agopianff2ed702013-09-01 21:36:12 -070088#include <cutils/compiler.h>
Mathias Agopian875d8e12013-06-07 15:35:48 -070089
Jiyong Park4b20c2e2017-01-14 19:45:11 +090090#include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
Jaesoo Lee43518572017-01-23 19:03:16 +090091#include <configstore/Utils.h>
Jiyong Park4b20c2e2017-01-14 19:45:11 +090092
chaviw1d044282017-09-27 12:19:28 -070093#include <layerproto/LayerProtoParser.h>
94
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -080095#define DISPLAY_COUNT 1
96
Mathias Agopianfee2b462013-07-03 12:34:01 -070097/*
98 * DEBUG_SCREENSHOTS: set to true to check that screenshots are not all
99 * black pixels.
100 */
101#define DEBUG_SCREENSHOTS false
102
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800103namespace android {
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700104
Jaesoo Lee43518572017-01-23 19:03:16 +0900105using namespace android::hardware::configstore;
Jiyong Park4b20c2e2017-01-14 19:45:11 +0900106using namespace android::hardware::configstore::V1_0;
107
Steven Thomasb02664d2017-07-26 18:48:28 -0700108namespace {
109class ConditionalLock {
110public:
111 ConditionalLock(Mutex& mutex, bool lock) : mMutex(mutex), mLocked(lock) {
112 if (lock) {
113 mMutex.lock();
114 }
115 }
116 ~ConditionalLock() { if (mLocked) mMutex.unlock(); }
117private:
118 Mutex& mMutex;
119 bool mLocked;
120};
121} // namespace anonymous
122
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800123// ---------------------------------------------------------------------------
124
Mathias Agopian99b49842011-06-27 16:05:52 -0700125const String16 sHardwareTest("android.permission.HARDWARE_TEST");
126const String16 sAccessSurfaceFlinger("android.permission.ACCESS_SURFACE_FLINGER");
127const String16 sReadFramebuffer("android.permission.READ_FRAME_BUFFER");
128const String16 sDump("android.permission.DUMP");
129
130// ---------------------------------------------------------------------------
Fabien Sanglard0cc19382017-03-06 11:54:40 -0800131int64_t SurfaceFlinger::vsyncPhaseOffsetNs;
132int64_t SurfaceFlinger::sfVsyncPhaseOffsetNs;
Fabien Sanglardc45a7d92017-03-14 13:24:22 -0700133int64_t SurfaceFlinger::dispSyncPresentTimeOffset;
Fabien Sanglarda34ed632017-03-14 11:43:52 -0700134bool SurfaceFlinger::useHwcForRgbToYuv;
Fabien Sanglardc8e387e2017-03-10 10:30:28 -0800135uint64_t SurfaceFlinger::maxVirtualDisplaySize;
Fabien Sanglardcbf153b2017-03-10 17:57:12 -0800136bool SurfaceFlinger::hasSyncFramework;
Steven Thomas050b2c82017-03-06 11:45:16 -0800137bool SurfaceFlinger::useVrFlinger;
Fabien Sanglard1971b632017-03-10 14:50:03 -0800138int64_t SurfaceFlinger::maxFrameBufferAcquiredBuffers;
Lloyd Piquec5208312018-01-08 17:59:02 -0800139// TODO(courtneygo): Rename hasWideColorDisplay to clarify its actual meaning.
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -0600140bool SurfaceFlinger::hasWideColorDisplay;
Mathias Agopian99b49842011-06-27 16:05:52 -0700141
Kalle Raitaa099a242017-01-11 11:17:29 -0800142
143std::string getHwcServiceName() {
144 char value[PROPERTY_VALUE_MAX] = {};
145 property_get("debug.sf.hwc_service_name", value, "default");
146 ALOGI("Using HWComposer service: '%s'", value);
147 return std::string(value);
148}
149
150bool useTrebleTestingOverride() {
151 char value[PROPERTY_VALUE_MAX] = {};
152 property_get("debug.sf.treble_testing_override", value, "false");
153 ALOGI("Treble testing override: '%s'", value);
154 return std::string(value) == "true";
155}
156
David Sodmanbc815282017-11-05 18:57:52 -0800157SurfaceFlingerBE::SurfaceFlingerBE()
158 : mHwcServiceName(getHwcServiceName()),
159 mRenderEngine(nullptr),
David Sodman4a36e932017-11-07 14:29:47 -0800160 mFrameBuckets(),
161 mTotalTime(0),
162 mLastSwapTime(0),
David Sodmanbc815282017-11-05 18:57:52 -0800163 mComposerSequenceId(0) {
164}
165
Lloyd Piqueac648ee2018-01-17 13:42:24 -0800166SurfaceFlinger::SurfaceFlinger(SurfaceFlinger::SkipInitializationTag)
Lloyd Pique12eb4232018-01-17 11:54:43 -0800167 : BnSurfaceComposer(),
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800168 mTransactionFlags(0),
Jamie Gennis2d5e2302012-10-15 18:24:43 -0700169 mTransactionPending(false),
170 mAnimTransactionPending(false),
Mathias Agopian076b1cc2009-04-10 14:24:30 -0700171 mLayersRemoved(false),
Robert Carr1f0a16a2016-10-24 16:27:39 -0700172 mLayersAdded(false),
Mathias Agopian52bbb1a2012-07-31 19:01:53 -0700173 mRepaintEverything(0),
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800174 mBootTime(systemTime()),
Dan Stoza9e56aa02015-11-02 13:00:03 -0800175 mBuiltinDisplays(),
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800176 mVisibleRegionsDirty(false),
Dan Stoza9e56aa02015-11-02 13:00:03 -0800177 mGeometryInvalid(false),
Jamie Gennis4b0eba92013-02-05 13:30:24 -0800178 mAnimCompositionPending(false),
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800179 mDebugRegion(0),
Mathias Agopian8afb7e32011-08-15 20:44:40 -0700180 mDebugDDMS(0),
Mathias Agopian73d3ba92010-09-22 18:58:01 -0700181 mDebugDisableHWC(0),
Mathias Agopiana4583642011-08-23 18:03:18 -0700182 mDebugDisableTransformHint(0),
Mathias Agopian9795c422009-08-26 16:36:26 -0700183 mDebugInSwapBuffers(0),
184 mLastSwapBufferTime(0),
185 mDebugInTransaction(0),
186 mLastTransactionTime(0),
Mathias Agopianff2ed702013-09-01 21:36:12 -0700187 mBootFinished(false),
Dan Stozaee44edd2015-03-23 15:50:23 -0700188 mForceFullDamage(false),
Tim Murray4a4e4a22016-04-19 16:29:23 +0000189 mPrimaryDispSync("PrimaryDispSync"),
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700190 mPrimaryHWVsyncEnabled(false),
Jesse Hall948fe0c2013-10-14 12:56:09 -0700191 mHWVsyncAvailable(false),
Romain Guya9638732017-06-01 12:05:21 -0700192 mHasColorMatrix(false),
Dan Stozab90cf072015-03-05 11:05:59 -0800193 mHasPoweredOff(false),
Steven Thomas050b2c82017-03-06 11:45:16 -0800194 mNumLayers(0),
Steven Thomasb02664d2017-07-26 18:48:28 -0700195 mVrFlingerRequestsDisplay(false),
Lloyd Pique12eb4232018-01-17 11:54:43 -0800196 mMainThreadId(std::this_thread::get_id()),
Lloyd Piqueac648ee2018-01-17 13:42:24 -0800197 mCreateBufferQueue(&BufferQueue::createBufferQueue) {}
198
199SurfaceFlinger::SurfaceFlinger() : SurfaceFlinger(SkipInitialization) {
Fabien Sanglardcbf153b2017-03-10 17:57:12 -0800200 ALOGI("SurfaceFlinger is starting");
Fabien Sanglard0cc19382017-03-06 11:54:40 -0800201
202 vsyncPhaseOffsetNs = getInt64< ISurfaceFlingerConfigs,
203 &ISurfaceFlingerConfigs::vsyncEventPhaseOffsetNs>(1000000);
204
205 sfVsyncPhaseOffsetNs = getInt64< ISurfaceFlingerConfigs,
206 &ISurfaceFlingerConfigs::vsyncSfEventPhaseOffsetNs>(1000000);
207
Fabien Sanglardcbf153b2017-03-10 17:57:12 -0800208 hasSyncFramework = getBool< ISurfaceFlingerConfigs,
209 &ISurfaceFlingerConfigs::hasSyncFramework>(true);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800210
Fabien Sanglardc45a7d92017-03-14 13:24:22 -0700211 dispSyncPresentTimeOffset = getInt64< ISurfaceFlingerConfigs,
212 &ISurfaceFlingerConfigs::presentTimeOffsetFromVSyncNs>(0);
213
Fabien Sanglarda34ed632017-03-14 11:43:52 -0700214 useHwcForRgbToYuv = getBool< ISurfaceFlingerConfigs,
215 &ISurfaceFlingerConfigs::useHwcForRGBtoYUV>(false);
216
Fabien Sanglardc8e387e2017-03-10 10:30:28 -0800217 maxVirtualDisplaySize = getUInt64<ISurfaceFlingerConfigs,
218 &ISurfaceFlingerConfigs::maxVirtualDisplaySize>(0);
219
Steven Thomas050b2c82017-03-06 11:45:16 -0800220 // Vr flinger is only enabled on Daydream ready devices.
221 useVrFlinger = getBool< ISurfaceFlingerConfigs,
222 &ISurfaceFlingerConfigs::useVrFlinger>(false);
223
Fabien Sanglard1971b632017-03-10 14:50:03 -0800224 maxFrameBufferAcquiredBuffers = getInt64< ISurfaceFlingerConfigs,
225 &ISurfaceFlingerConfigs::maxFrameBufferAcquiredBuffers>(2);
226
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -0600227 hasWideColorDisplay =
228 getBool<ISurfaceFlingerConfigs, &ISurfaceFlingerConfigs::hasWideColorDisplay>(false);
229
David Sodman99974d22017-11-28 12:04:33 -0800230 mPrimaryDispSync.init(SurfaceFlinger::hasSyncFramework, SurfaceFlinger::dispSyncPresentTimeOffset);
Saurabh Shahf4174532017-07-13 10:45:07 -0700231
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800232 // debugging stuff...
233 char value[PROPERTY_VALUE_MAX];
Mathias Agopian8afb7e32011-08-15 20:44:40 -0700234
Mathias Agopianb4b17302013-03-20 18:36:41 -0700235 property_get("ro.bq.gpu_to_cpu_unsupported", value, "0");
Mathias Agopian50210b92013-03-21 21:13:21 -0700236 mGpuToCpuSupported = !atoi(value);
Mathias Agopianb4b17302013-03-20 18:36:41 -0700237
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800238 property_get("debug.sf.showupdates", value, "0");
239 mDebugRegion = atoi(value);
Mathias Agopian8afb7e32011-08-15 20:44:40 -0700240
Mathias Agopian8afb7e32011-08-15 20:44:40 -0700241 property_get("debug.sf.ddms", value, "0");
242 mDebugDDMS = atoi(value);
243 if (mDebugDDMS) {
Keun young Park63f165f2012-08-31 10:53:36 -0700244 if (!startDdmConnection()) {
245 // start failed, and DDMS debugging not enabled
246 mDebugDDMS = 0;
247 }
Mathias Agopian8afb7e32011-08-15 20:44:40 -0700248 }
Mathias Agopianc1d359d2012-08-04 20:09:03 -0700249 ALOGI_IF(mDebugRegion, "showupdates enabled");
250 ALOGI_IF(mDebugDDMS, "DDMS debugging enabled");
Dan Stozac5da2712016-07-20 15:38:12 -0700251
252 property_get("debug.sf.disable_backpressure", value, "0");
253 mPropagateBackpressure = !atoi(value);
254 ALOGI_IF(!mPropagateBackpressure, "Disabling backpressure propagation");
Dan Stoza8cf150a2016-08-02 10:27:31 -0700255
Fabien Sanglard642b23d2017-02-09 12:29:39 -0800256 property_get("debug.sf.enable_hwc_vds", value, "0");
257 mUseHwcVirtualDisplays = atoi(value);
258 ALOGI_IF(!mUseHwcVirtualDisplays, "Enabling HWC virtual displays");
Fabien Sanglard63a5fcd2016-12-29 15:13:07 -0800259
Fabien Sanglardc65dafa2017-02-07 14:06:39 -0800260 property_get("ro.sf.disable_triple_buffer", value, "1");
261 mLayerTripleBufferingDisabled = atoi(value);
Fabien Sanglard63a5fcd2016-12-29 15:13:07 -0800262 ALOGI_IF(mLayerTripleBufferingDisabled, "Disabling Triple Buffering");
Romain Guy3054f002017-06-05 18:38:53 -0700263
Dan Stoza0a0158c2018-03-16 13:38:54 -0700264 // TODO (b/74616334): Reduce the default value once we isolate the leak
265 const size_t defaultListSize = 4 * MAX_LAYERS;
266 auto listSize = property_get_int32("debug.sf.max_igbp_list_size", int32_t(defaultListSize));
267 mMaxGraphicBufferProducerListSize = (listSize > 0) ? size_t(listSize) : defaultListSize;
268
Romain Guy11d63f42017-07-20 12:47:14 -0700269 // We should be reading 'persist.sys.sf.color_saturation' here
270 // but since /data may be encrypted, we need to wait until after vold
271 // comes online to attempt to read the property. The property is
272 // instead read after the boot animation
Kalle Raitaa099a242017-01-11 11:17:29 -0800273
274 if (useTrebleTestingOverride()) {
275 // Without the override SurfaceFlinger cannot connect to HIDL
276 // services that are not listed in the manifests. Considered
277 // deriving the setting from the set service name, but it
278 // would be brittle if the name that's not 'default' is used
279 // for production purposes later on.
280 setenv("TREBLE_TESTING_OVERRIDE", "true", true);
281 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800282}
283
Mathias Agopian99ce5cd2012-01-31 18:24:27 -0800284void SurfaceFlinger::onFirstRef()
285{
Lloyd Pique3fcdef12018-01-22 17:14:00 -0800286 mEventQueue->init(this);
Mathias Agopian99ce5cd2012-01-31 18:24:27 -0800287}
288
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800289SurfaceFlinger::~SurfaceFlinger()
290{
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800291}
292
Dan Stozac7014012014-02-14 15:03:43 -0800293void SurfaceFlinger::binderDied(const wp<IBinder>& /* who */)
Mathias Agopian99ce5cd2012-01-31 18:24:27 -0800294{
295 // the window manager died on us. prepare its eulogy.
296
Andy McFadden13a082e2012-08-24 10:16:42 -0700297 // restore initial conditions (default device unblank, etc)
298 initializeDisplays();
Mathias Agopian99ce5cd2012-01-31 18:24:27 -0800299
300 // restart the boot-animation
Mathias Agopiana67e4182012-06-19 17:26:12 -0700301 startBootAnim();
Mathias Agopian99ce5cd2012-01-31 18:24:27 -0800302}
303
Robert Carr1db73f62016-12-21 12:58:51 -0800304static sp<ISurfaceComposerClient> initClient(const sp<Client>& client) {
Mathias Agopian96f08192010-06-02 23:28:45 -0700305 status_t err = client->initCheck();
306 if (err == NO_ERROR) {
Robert Carr1db73f62016-12-21 12:58:51 -0800307 return client;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800308 }
Robert Carr1db73f62016-12-21 12:58:51 -0800309 return nullptr;
310}
311
312sp<ISurfaceComposerClient> SurfaceFlinger::createConnection() {
313 return initClient(new Client(this));
314}
315
316sp<ISurfaceComposerClient> SurfaceFlinger::createScopedConnection(
317 const sp<IGraphicBufferProducer>& gbp) {
318 if (authenticateSurfaceTexture(gbp) == false) {
319 return nullptr;
320 }
321 const auto& layer = (static_cast<MonitoredProducer*>(gbp.get()))->getLayer();
322 if (layer == nullptr) {
323 return nullptr;
324 }
325
326 return initClient(new Client(this, layer));
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800327}
328
Jamie Gennisdd3cb842012-10-19 18:19:11 -0700329sp<IBinder> SurfaceFlinger::createDisplay(const String8& displayName,
330 bool secure)
Mathias Agopiane57f2922012-08-09 16:29:12 -0700331{
332 class DisplayToken : public BBinder {
333 sp<SurfaceFlinger> flinger;
334 virtual ~DisplayToken() {
335 // no more references, this display must be terminated
336 Mutex::Autolock _l(flinger->mStateLock);
337 flinger->mCurrentState.displays.removeItem(this);
338 flinger->setTransactionFlags(eDisplayTransactionNeeded);
339 }
340 public:
Chih-Hung Hsiehc4067912016-05-03 14:03:27 -0700341 explicit DisplayToken(const sp<SurfaceFlinger>& flinger)
Mathias Agopiane57f2922012-08-09 16:29:12 -0700342 : flinger(flinger) {
343 }
344 };
345
346 sp<BBinder> token = new DisplayToken(this);
347
348 Mutex::Autolock _l(mStateLock);
Pablo Ceballos53390e12015-08-04 11:25:59 -0700349 DisplayDeviceState info(DisplayDevice::DISPLAY_VIRTUAL, secure);
Andy McFadden8dfa92f2012-09-17 18:27:17 -0700350 info.displayName = displayName;
Mathias Agopiane57f2922012-08-09 16:29:12 -0700351 mCurrentState.displays.add(token, info);
Lloyd Pique4dccc412018-01-22 17:21:36 -0800352 mInterceptor->saveDisplayCreation(info);
Mathias Agopiane57f2922012-08-09 16:29:12 -0700353 return token;
354}
355
Jesse Hall6c913be2013-08-08 12:15:49 -0700356void SurfaceFlinger::destroyDisplay(const sp<IBinder>& display) {
357 Mutex::Autolock _l(mStateLock);
358
359 ssize_t idx = mCurrentState.displays.indexOfKey(display);
360 if (idx < 0) {
361 ALOGW("destroyDisplay: invalid display token");
362 return;
363 }
364
365 const DisplayDeviceState& info(mCurrentState.displays.valueAt(idx));
366 if (!info.isVirtualDisplay()) {
367 ALOGE("destroyDisplay called for non-virtual display");
368 return;
369 }
Lloyd Pique4dccc412018-01-22 17:21:36 -0800370 mInterceptor->saveDisplayDeletion(info.displayId);
Jesse Hall6c913be2013-08-08 12:15:49 -0700371 mCurrentState.displays.removeItemsAt(idx);
372 setTransactionFlags(eDisplayTransactionNeeded);
373}
374
Mathias Agopiane57f2922012-08-09 16:29:12 -0700375sp<IBinder> SurfaceFlinger::getBuiltInDisplay(int32_t id) {
Jesse Hall9e663de2013-08-16 14:28:37 -0700376 if (uint32_t(id) >= DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
Mathias Agopiane57f2922012-08-09 16:29:12 -0700377 ALOGE("getDefaultDisplay: id=%d is not a valid default display id", id);
Peiyong Lin566a3b42018-01-09 18:22:43 -0800378 return nullptr;
Mathias Agopiane57f2922012-08-09 16:29:12 -0700379 }
Jesse Hall692c7232012-11-08 15:41:56 -0800380 return mBuiltinDisplays[id];
Mathias Agopiane57f2922012-08-09 16:29:12 -0700381}
382
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800383void SurfaceFlinger::bootFinished()
384{
Wei Wangf9b05ee2017-07-19 20:59:39 -0700385 if (mStartPropertySetThread->join() != NO_ERROR) {
386 ALOGE("Join StartPropertySetThread failed!");
Wei Wangb254fa32017-01-31 17:43:23 -0800387 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800388 const nsecs_t now = systemTime();
389 const nsecs_t duration = now - mBootTime;
Steve Blocka19954a2012-01-04 20:05:49 +0000390 ALOGI("Boot is finished (%ld ms)", long(ns2ms(duration)) );
Mathias Agopian1f339ff2011-07-01 17:08:43 -0700391
392 // wait patiently for the window manager death
393 const String16 name("window");
394 sp<IBinder> window(defaultServiceManager()->getService(name));
395 if (window != 0) {
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700396 window->linkToDeath(static_cast<IBinder::DeathRecipient*>(this));
Mathias Agopian1f339ff2011-07-01 17:08:43 -0700397 }
398
Steven Thomas050b2c82017-03-06 11:45:16 -0800399 if (mVrFlinger) {
400 mVrFlinger->OnBootFinished();
401 }
402
Mathias Agopian1f339ff2011-07-01 17:08:43 -0700403 // stop boot animation
Mathias Agopiana67e4182012-06-19 17:26:12 -0700404 // formerly we would just kill the process, but we now ask it to exit so it
405 // can choose where to stop the animation.
406 property_set("service.bootanim.exit", "1");
Yusuke Sato0a688f52015-07-30 23:05:39 -0700407
408 const int LOGTAG_SF_STOP_BOOTANIM = 60110;
409 LOG_EVENT_LONG(LOGTAG_SF_STOP_BOOTANIM,
410 ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
Romain Guy11d63f42017-07-20 12:47:14 -0700411
Thierry Strudel2924d012017-08-14 15:19:37 -0700412 sp<LambdaMessage> readProperties = new LambdaMessage([&]() {
Romain Guy11d63f42017-07-20 12:47:14 -0700413 readPersistentProperties();
414 });
Thierry Strudel2924d012017-08-14 15:19:37 -0700415 postMessageAsync(readProperties);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800416}
417
Mathias Agopian3f844832013-08-07 21:24:32 -0700418void SurfaceFlinger::deleteTextureAsync(uint32_t texture) {
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700419 class MessageDestroyGLTexture : public MessageBase {
Lloyd Pique144e1162017-12-20 16:44:52 -0800420 RE::RenderEngine& engine;
Mathias Agopian3f844832013-08-07 21:24:32 -0700421 uint32_t texture;
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700422 public:
Lloyd Pique144e1162017-12-20 16:44:52 -0800423 MessageDestroyGLTexture(RE::RenderEngine& engine, uint32_t texture)
424 : engine(engine), texture(texture) {}
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700425 virtual bool handler() {
Mathias Agopian3f844832013-08-07 21:24:32 -0700426 engine.deleteTextures(1, &texture);
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700427 return true;
428 }
429 };
Mathias Agopian3f844832013-08-07 21:24:32 -0700430 postMessageAsync(new MessageDestroyGLTexture(getRenderEngine(), texture));
Mathias Agopian921e6ac2012-07-23 23:11:29 -0700431}
432
Lloyd Piquee83f9312018-02-01 12:53:17 -0800433class DispSyncSource final : public VSyncSource, private DispSync::Callback {
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700434public:
Andy McFadden5167ec62014-05-22 13:08:43 -0700435 DispSyncSource(DispSync* dispSync, nsecs_t phaseOffset, bool traceVsync,
Tim Murray4a4e4a22016-04-19 16:29:23 +0000436 const char* name) :
437 mName(name),
Jamie Gennis0a645cc2013-10-14 20:52:46 -0700438 mValue(0),
Jamie Gennis0a645cc2013-10-14 20:52:46 -0700439 mTraceVsync(traceVsync),
Tim Murray4a4e4a22016-04-19 16:29:23 +0000440 mVsyncOnLabel(String8::format("VsyncOn-%s", name)),
441 mVsyncEventLabel(String8::format("VSYNC-%s", name)),
Dan Stozadb4ac3c2015-04-14 11:34:01 -0700442 mDispSync(dispSync),
443 mCallbackMutex(),
Dan Stozadb4ac3c2015-04-14 11:34:01 -0700444 mVsyncMutex(),
445 mPhaseOffset(phaseOffset),
446 mEnabled(false) {}
Mathias Agopiana4912602012-07-12 14:25:33 -0700447
Lloyd Piquee83f9312018-02-01 12:53:17 -0800448 ~DispSyncSource() override = default;
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700449
Lloyd Piquee83f9312018-02-01 12:53:17 -0800450 void setVSyncEnabled(bool enable) override {
Dan Stozadb4ac3c2015-04-14 11:34:01 -0700451 Mutex::Autolock lock(mVsyncMutex);
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700452 if (enable) {
Tim Murray4a4e4a22016-04-19 16:29:23 +0000453 status_t err = mDispSync->addEventListener(mName, mPhaseOffset,
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700454 static_cast<DispSync::Callback*>(this));
455 if (err != NO_ERROR) {
456 ALOGE("error registering vsync callback: %s (%d)",
457 strerror(-err), err);
458 }
Andy McFadden5167ec62014-05-22 13:08:43 -0700459 //ATRACE_INT(mVsyncOnLabel.string(), 1);
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700460 } else {
461 status_t err = mDispSync->removeEventListener(
462 static_cast<DispSync::Callback*>(this));
463 if (err != NO_ERROR) {
464 ALOGE("error unregistering vsync callback: %s (%d)",
465 strerror(-err), err);
466 }
Andy McFadden5167ec62014-05-22 13:08:43 -0700467 //ATRACE_INT(mVsyncOnLabel.string(), 0);
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700468 }
Dan Stozadb4ac3c2015-04-14 11:34:01 -0700469 mEnabled = enable;
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700470 }
471
Lloyd Piquee83f9312018-02-01 12:53:17 -0800472 void setCallback(VSyncSource::Callback* callback) override{
Dan Stozadb4ac3c2015-04-14 11:34:01 -0700473 Mutex::Autolock lock(mCallbackMutex);
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700474 mCallback = callback;
475 }
476
Lloyd Piquee83f9312018-02-01 12:53:17 -0800477 void setPhaseOffset(nsecs_t phaseOffset) override {
Dan Stozadb4ac3c2015-04-14 11:34:01 -0700478 Mutex::Autolock lock(mVsyncMutex);
479
480 // Normalize phaseOffset to [0, period)
481 auto period = mDispSync->getPeriod();
482 phaseOffset %= period;
483 if (phaseOffset < 0) {
484 // If we're here, then phaseOffset is in (-period, 0). After this
485 // operation, it will be in (0, period)
486 phaseOffset += period;
487 }
488 mPhaseOffset = phaseOffset;
489
490 // If we're not enabled, we don't need to mess with the listeners
491 if (!mEnabled) {
492 return;
493 }
494
495 // Remove the listener with the old offset
496 status_t err = mDispSync->removeEventListener(
497 static_cast<DispSync::Callback*>(this));
498 if (err != NO_ERROR) {
499 ALOGE("error unregistering vsync callback: %s (%d)",
500 strerror(-err), err);
501 }
502
503 // Add a listener with the new offset
Tim Murray4a4e4a22016-04-19 16:29:23 +0000504 err = mDispSync->addEventListener(mName, mPhaseOffset,
Dan Stozadb4ac3c2015-04-14 11:34:01 -0700505 static_cast<DispSync::Callback*>(this));
506 if (err != NO_ERROR) {
507 ALOGE("error registering vsync callback: %s (%d)",
508 strerror(-err), err);
509 }
510 }
511
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700512private:
513 virtual void onDispSyncEvent(nsecs_t when) {
Lloyd Piquee83f9312018-02-01 12:53:17 -0800514 VSyncSource::Callback* callback;
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700515 {
Dan Stozadb4ac3c2015-04-14 11:34:01 -0700516 Mutex::Autolock lock(mCallbackMutex);
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700517 callback = mCallback;
518
Jamie Gennis0a645cc2013-10-14 20:52:46 -0700519 if (mTraceVsync) {
520 mValue = (mValue + 1) % 2;
Andy McFadden5167ec62014-05-22 13:08:43 -0700521 ATRACE_INT(mVsyncEventLabel.string(), mValue);
Jamie Gennis0a645cc2013-10-14 20:52:46 -0700522 }
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700523 }
524
Peiyong Lin566a3b42018-01-09 18:22:43 -0800525 if (callback != nullptr) {
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700526 callback->onVSyncEvent(when);
527 }
528 }
529
Tim Murray4a4e4a22016-04-19 16:29:23 +0000530 const char* const mName;
531
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700532 int mValue;
533
Jamie Gennis0a645cc2013-10-14 20:52:46 -0700534 const bool mTraceVsync;
Andy McFadden5167ec62014-05-22 13:08:43 -0700535 const String8 mVsyncOnLabel;
536 const String8 mVsyncEventLabel;
Jamie Gennis0a645cc2013-10-14 20:52:46 -0700537
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700538 DispSync* mDispSync;
Dan Stozadb4ac3c2015-04-14 11:34:01 -0700539
540 Mutex mCallbackMutex; // Protects the following
Lloyd Piquee83f9312018-02-01 12:53:17 -0800541 VSyncSource::Callback* mCallback = nullptr;
Dan Stozadb4ac3c2015-04-14 11:34:01 -0700542
543 Mutex mVsyncMutex; // Protects the following
544 nsecs_t mPhaseOffset;
545 bool mEnabled;
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700546};
547
Lloyd Piquee83f9312018-02-01 12:53:17 -0800548class InjectVSyncSource final : public VSyncSource {
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -0700549public:
Lloyd Piquee83f9312018-02-01 12:53:17 -0800550 InjectVSyncSource() = default;
551 ~InjectVSyncSource() override = default;
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -0700552
Lloyd Piquee83f9312018-02-01 12:53:17 -0800553 void setCallback(VSyncSource::Callback* callback) override {
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -0700554 std::lock_guard<std::mutex> lock(mCallbackMutex);
555 mCallback = callback;
556 }
557
Lloyd Piquee83f9312018-02-01 12:53:17 -0800558 void onInjectSyncEvent(nsecs_t when) {
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -0700559 std::lock_guard<std::mutex> lock(mCallbackMutex);
Chia-I Wu90f669f2017-10-05 14:24:41 -0700560 if (mCallback) {
561 mCallback->onVSyncEvent(when);
562 }
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -0700563 }
564
Lloyd Piquee83f9312018-02-01 12:53:17 -0800565 void setVSyncEnabled(bool) override {}
566 void setPhaseOffset(nsecs_t) override {}
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -0700567
568private:
569 std::mutex mCallbackMutex; // Protects the following
Lloyd Piquee83f9312018-02-01 12:53:17 -0800570 VSyncSource::Callback* mCallback = nullptr;
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -0700571};
572
Wei Wangf9b05ee2017-07-19 20:59:39 -0700573// Do not call property_set on main thread which will be blocked by init
574// Use StartPropertySetThread instead.
Jamie Gennisfaf77cc2013-07-30 15:10:32 -0700575void SurfaceFlinger::init() {
Mathias Agopiana4912602012-07-12 14:25:33 -0700576 ALOGI( "SurfaceFlinger's main thread ready to run. "
577 "Initializing graphics H/W...");
578
Thierry Strudel2924d012017-08-14 15:19:37 -0700579 ALOGI("Phase offest NS: %" PRId64 "", vsyncPhaseOffsetNs);
Jiyong Park4b20c2e2017-01-14 19:45:11 +0900580
Steven Thomasb02664d2017-07-26 18:48:28 -0700581 Mutex::Autolock _l(mStateLock);
Dan Stoza9e56aa02015-11-02 13:00:03 -0800582
Steven Thomasb02664d2017-07-26 18:48:28 -0700583 // start the EventThread
Lloyd Pique0fcde1b2017-12-20 16:50:21 -0800584 mEventThreadSource =
585 std::make_unique<DispSyncSource>(&mPrimaryDispSync, SurfaceFlinger::vsyncPhaseOffsetNs,
586 true, "app");
587 mEventThread = std::make_unique<impl::EventThread>(mEventThreadSource.get(), *this, false,
588 "appEventThread");
589 mSfEventThreadSource =
590 std::make_unique<DispSyncSource>(&mPrimaryDispSync,
591 SurfaceFlinger::sfVsyncPhaseOffsetNs, true, "sf");
Lloyd Pique3fcdef12018-01-22 17:14:00 -0800592
Lloyd Pique0fcde1b2017-12-20 16:50:21 -0800593 mSFEventThread = std::make_unique<impl::EventThread>(mSfEventThreadSource.get(), *this, true,
594 "sfEventThread");
Lloyd Pique3fcdef12018-01-22 17:14:00 -0800595 mEventQueue->setEventThread(mSFEventThread.get());
Dan Stoza9e56aa02015-11-02 13:00:03 -0800596
Steven Thomasb02664d2017-07-26 18:48:28 -0700597 // Get a RenderEngine for the given display / config (can't fail)
Lloyd Pique144e1162017-12-20 16:44:52 -0800598 getBE().mRenderEngine =
599 RE::impl::RenderEngine::create(HAL_PIXEL_FORMAT_RGBA_8888,
600 hasWideColorDisplay
601 ? RE::RenderEngine::WIDE_COLOR_SUPPORT
602 : 0);
David Sodmanbc815282017-11-05 18:57:52 -0800603 LOG_ALWAYS_FATAL_IF(getBE().mRenderEngine == nullptr, "couldn't create RenderEngine");
Steven Thomasb02664d2017-07-26 18:48:28 -0700604
605 LOG_ALWAYS_FATAL_IF(mVrFlingerRequestsDisplay,
606 "Starting with vr flinger active is not currently supported.");
Lloyd Piquea822d522017-12-20 16:42:57 -0800607 getBE().mHwc.reset(
608 new HWComposer(std::make_unique<Hwc2::impl::Composer>(getBE().mHwcServiceName)));
David Sodman105b7dc2017-11-04 20:28:14 -0700609 getBE().mHwc->registerCallback(this, getBE().mComposerSequenceId);
Lloyd Piqueba04e622017-12-14 17:11:26 -0800610 // Process any initial hotplug and resulting display changes.
611 processDisplayHotplugEventsLocked();
612 LOG_ALWAYS_FATAL_IF(!getBE().mHwc->isConnected(HWC_DISPLAY_PRIMARY),
613 "Registered composer callback but didn't create the default primary display");
Jesse Hall692c7232012-11-08 15:41:56 -0800614
Lloyd Piquefcd86612017-12-14 17:15:36 -0800615 // make the default display GLContext current so that we can create textures
616 // when creating Layers (which may happens before we render something)
617 getDefaultDisplayDeviceLocked()->makeCurrent();
618
Steven Thomas050b2c82017-03-06 11:45:16 -0800619 if (useVrFlinger) {
620 auto vrFlingerRequestDisplayCallback = [this] (bool requestDisplay) {
Steven Thomasbe6cbae2017-09-28 15:30:23 -0700621 // This callback is called from the vr flinger dispatch thread. We
622 // need to call signalTransaction(), which requires holding
623 // mStateLock when we're not on the main thread. Acquiring
624 // mStateLock from the vr flinger dispatch thread might trigger a
625 // deadlock in surface flinger (see b/66916578), so post a message
626 // to be handled on the main thread instead.
627 sp<LambdaMessage> message = new LambdaMessage([=]() {
628 ALOGI("VR request display mode: requestDisplay=%d", requestDisplay);
629 mVrFlingerRequestsDisplay = requestDisplay;
630 signalTransaction();
631 });
632 postMessageAsync(message);
Steven Thomas050b2c82017-03-06 11:45:16 -0800633 };
David Sodman105b7dc2017-11-04 20:28:14 -0700634 mVrFlinger = dvr::VrFlinger::Create(getBE().mHwc->getComposer(),
635 getBE().mHwc->getHwcDisplayId(HWC_DISPLAY_PRIMARY).value_or(0),
Steven Thomas6e8f7062017-11-22 14:15:29 -0800636 vrFlingerRequestDisplayCallback);
Steven Thomas050b2c82017-03-06 11:45:16 -0800637 if (!mVrFlinger) {
638 ALOGE("Failed to start vrflinger");
639 }
640 }
641
Lloyd Pique379adc12018-01-22 17:31:47 -0800642 mEventControlThread = std::make_unique<impl::EventControlThread>(
643 [this](bool enabled) { setVsyncEnabled(HWC_DISPLAY_PRIMARY, enabled); });
Jamie Gennisd1700752013-10-14 12:22:52 -0700644
Mathias Agopian92a979a2012-08-02 18:32:23 -0700645 // initialize our drawing state
646 mDrawingState = mCurrentState;
Mathias Agopian86303202012-07-24 22:46:10 -0700647
Andy McFadden13a082e2012-08-24 10:16:42 -0700648 // set initial conditions (e.g. unblank default device)
649 initializeDisplays();
David Sodman4b7c4bc2017-11-17 12:13:59 -0800650 ALOGV("Displays initialized");
Andy McFadden13a082e2012-08-24 10:16:42 -0700651
David Sodmanbc815282017-11-05 18:57:52 -0800652 getBE().mRenderEngine->primeCache();
Dan Stoza4e637772016-07-28 13:31:51 -0700653
Wei Wangf9b05ee2017-07-19 20:59:39 -0700654 // Inform native graphics APIs whether the present timestamp is supported:
655 if (getHwComposer().hasCapability(
656 HWC2::Capability::PresentFenceIsNotReliable)) {
657 mStartPropertySetThread = new StartPropertySetThread(false);
658 } else {
659 mStartPropertySetThread = new StartPropertySetThread(true);
660 }
661
662 if (mStartPropertySetThread->Start() != NO_ERROR) {
663 ALOGE("Run StartPropertySetThread failed!");
Wei Wangb254fa32017-01-31 17:43:23 -0800664 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800665
Dan Stoza9e56aa02015-11-02 13:00:03 -0800666 ALOGV("Done initializing");
Mathias Agopian3ee454a2012-08-27 16:28:24 -0700667}
668
Romain Guy11d63f42017-07-20 12:47:14 -0700669void SurfaceFlinger::readPersistentProperties() {
670 char value[PROPERTY_VALUE_MAX];
671
672 property_get("persist.sys.sf.color_saturation", value, "1.0");
673 mSaturation = atof(value);
674 ALOGV("Saturation is set to %.2f", mSaturation);
Romain Guy54f154a2017-10-24 21:40:32 +0100675
676 property_get("persist.sys.sf.native_mode", value, "0");
677 mForceNativeColorMode = atoi(value) == 1;
678 if (mForceNativeColorMode) {
679 ALOGV("Forcing native color mode");
680 }
Romain Guy11d63f42017-07-20 12:47:14 -0700681}
682
Mathias Agopiana67e4182012-06-19 17:26:12 -0700683void SurfaceFlinger::startBootAnim() {
Wei Wangb254fa32017-01-31 17:43:23 -0800684 // Start boot animation service by setting a property mailbox
685 // if property setting thread is already running, Start() will be just a NOP
Wei Wangf9b05ee2017-07-19 20:59:39 -0700686 mStartPropertySetThread->Start();
Wei Wangb254fa32017-01-31 17:43:23 -0800687 // Wait until property was set
Wei Wangf9b05ee2017-07-19 20:59:39 -0700688 if (mStartPropertySetThread->join() != NO_ERROR) {
689 ALOGE("Join StartPropertySetThread failed!");
Wei Wangb254fa32017-01-31 17:43:23 -0800690 }
Mathias Agopiana67e4182012-06-19 17:26:12 -0700691}
692
Mathias Agopian875d8e12013-06-07 15:35:48 -0700693size_t SurfaceFlinger::getMaxTextureSize() const {
David Sodmanbc815282017-11-05 18:57:52 -0800694 return getBE().mRenderEngine->getMaxTextureSize();
Mathias Agopiana4912602012-07-12 14:25:33 -0700695}
696
Mathias Agopian875d8e12013-06-07 15:35:48 -0700697size_t SurfaceFlinger::getMaxViewportDims() const {
David Sodmanbc815282017-11-05 18:57:52 -0800698 return getBE().mRenderEngine->getMaxViewportDims();
Mathias Agopiana4912602012-07-12 14:25:33 -0700699}
700
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -0800701// ----------------------------------------------------------------------------
Mathias Agopiand0566bc2011-11-17 17:49:17 -0800702
Jamie Gennis582270d2011-08-17 18:19:00 -0700703bool SurfaceFlinger::authenticateSurfaceTexture(
Andy McFadden2adaf042012-12-18 09:49:45 -0800704 const sp<IGraphicBufferProducer>& bufferProducer) const {
Jamie Gennis134f0422011-03-08 12:18:54 -0800705 Mutex::Autolock _l(mStateLock);
Robert Carr0d480722017-01-10 16:42:54 -0800706 return authenticateSurfaceTextureLocked(bufferProducer);
707}
708
709bool SurfaceFlinger::authenticateSurfaceTextureLocked(
710 const sp<IGraphicBufferProducer>& bufferProducer) const {
Marco Nelissen097ca272014-11-14 08:01:01 -0800711 sp<IBinder> surfaceTextureBinder(IInterface::asBinder(bufferProducer));
Dan Stoza101d8dc2018-02-27 15:42:25 -0800712 return mGraphicBufferProducerList.count(surfaceTextureBinder.get()) > 0;
Jamie Gennis134f0422011-03-08 12:18:54 -0800713}
714
Brian Anderson6b376712017-04-04 10:51:39 -0700715status_t SurfaceFlinger::getSupportedFrameTimestamps(
716 std::vector<FrameEvent>* outSupported) const {
717 *outSupported = {
718 FrameEvent::REQUESTED_PRESENT,
719 FrameEvent::ACQUIRE,
720 FrameEvent::LATCH,
721 FrameEvent::FIRST_REFRESH_START,
722 FrameEvent::LAST_REFRESH_START,
723 FrameEvent::GPU_COMPOSITION_DONE,
724 FrameEvent::DEQUEUE_READY,
725 FrameEvent::RELEASE,
726 };
Steven Thomas6d8110b2017-08-31 18:24:21 -0700727 ConditionalLock _l(mStateLock,
728 std::this_thread::get_id() != mMainThreadId);
Brian Anderson6b376712017-04-04 10:51:39 -0700729 if (!getHwComposer().hasCapability(
730 HWC2::Capability::PresentFenceIsNotReliable)) {
731 outSupported->push_back(FrameEvent::DISPLAY_PRESENT);
732 }
733 return NO_ERROR;
734}
735
Dan Stoza7f7da322014-05-02 15:26:25 -0700736status_t SurfaceFlinger::getDisplayConfigs(const sp<IBinder>& display,
737 Vector<DisplayInfo>* configs) {
Peiyong Lin566a3b42018-01-09 18:22:43 -0800738 if (configs == nullptr || display.get() == nullptr) {
Dan Stoza7f7da322014-05-02 15:26:25 -0700739 return BAD_VALUE;
740 }
741
Naseer Ahmed7aa0c472014-11-03 14:49:23 -0500742 if (!display.get())
743 return NAME_NOT_FOUND;
744
Jesse Hall692c7232012-11-08 15:41:56 -0800745 int32_t type = NAME_NOT_FOUND;
Jesse Hall9e663de2013-08-16 14:28:37 -0700746 for (int i=0 ; i<DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES ; i++) {
Jesse Hall692c7232012-11-08 15:41:56 -0800747 if (display == mBuiltinDisplays[i]) {
Mathias Agopian1604f772012-09-18 21:54:42 -0700748 type = i;
749 break;
750 }
751 }
752
753 if (type < 0) {
754 return type;
Mathias Agopianc666cae2012-07-25 18:56:13 -0700755 }
Mathias Agopian8b736f12012-08-13 17:54:26 -0700756
Mathias Agopian8b736f12012-08-13 17:54:26 -0700757 // TODO: Not sure if display density should handled by SF any longer
758 class Density {
759 static int getDensityFromProperty(char const* propName) {
760 char property[PROPERTY_VALUE_MAX];
761 int density = 0;
Peiyong Lin566a3b42018-01-09 18:22:43 -0800762 if (property_get(propName, property, nullptr) > 0) {
Mathias Agopian8b736f12012-08-13 17:54:26 -0700763 density = atoi(property);
764 }
765 return density;
766 }
767 public:
768 static int getEmuDensity() {
769 return getDensityFromProperty("qemu.sf.lcd_density"); }
770 static int getBuildDensity() {
771 return getDensityFromProperty("ro.sf.lcd_density"); }
772 };
Mathias Agopian1604f772012-09-18 21:54:42 -0700773
Dan Stoza7f7da322014-05-02 15:26:25 -0700774 configs->clear();
Mathias Agopian1604f772012-09-18 21:54:42 -0700775
Steven Thomas6d8110b2017-08-31 18:24:21 -0700776 ConditionalLock _l(mStateLock,
777 std::this_thread::get_id() != mMainThreadId);
Dan Stoza9e56aa02015-11-02 13:00:03 -0800778 for (const auto& hwConfig : getHwComposer().getConfigs(type)) {
Dan Stoza7f7da322014-05-02 15:26:25 -0700779 DisplayInfo info = DisplayInfo();
780
Dan Stoza9e56aa02015-11-02 13:00:03 -0800781 float xdpi = hwConfig->getDpiX();
782 float ydpi = hwConfig->getDpiY();
Dan Stoza7f7da322014-05-02 15:26:25 -0700783
784 if (type == DisplayDevice::DISPLAY_PRIMARY) {
785 // The density of the device is provided by a build property
786 float density = Density::getBuildDensity() / 160.0f;
787 if (density == 0) {
788 // the build doesn't provide a density -- this is wrong!
789 // use xdpi instead
790 ALOGE("ro.sf.lcd_density must be defined as a build property");
791 density = xdpi / 160.0f;
792 }
793 if (Density::getEmuDensity()) {
794 // if "qemu.sf.lcd_density" is specified, it overrides everything
795 xdpi = ydpi = density = Density::getEmuDensity();
796 density /= 160.0f;
797 }
798 info.density = density;
799
800 // TODO: this needs to go away (currently needed only by webkit)
Steven Thomas6d8110b2017-08-31 18:24:21 -0700801 sp<const DisplayDevice> hw(getDefaultDisplayDeviceLocked());
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -0800802 info.orientation = hw ? hw->getOrientation() : 0;
Dan Stoza7f7da322014-05-02 15:26:25 -0700803 } else {
804 // TODO: where should this value come from?
805 static const int TV_DENSITY = 213;
806 info.density = TV_DENSITY / 160.0f;
807 info.orientation = 0;
808 }
809
Dan Stoza9e56aa02015-11-02 13:00:03 -0800810 info.w = hwConfig->getWidth();
811 info.h = hwConfig->getHeight();
Dan Stoza7f7da322014-05-02 15:26:25 -0700812 info.xdpi = xdpi;
813 info.ydpi = ydpi;
Dan Stoza9e56aa02015-11-02 13:00:03 -0800814 info.fps = 1e9 / hwConfig->getVsyncPeriod();
Jiyong Park4b20c2e2017-01-14 19:45:11 +0900815 info.appVsyncOffset = vsyncPhaseOffsetNs;
Dan Stoza9e56aa02015-11-02 13:00:03 -0800816
Andy McFadden91b2ca82014-06-13 14:04:23 -0700817 // This is how far in advance a buffer must be queued for
818 // presentation at a given time. If you want a buffer to appear
819 // on the screen at time N, you must submit the buffer before
820 // (N - presentationDeadline).
821 //
822 // Normally it's one full refresh period (to give SF a chance to
823 // latch the buffer), but this can be reduced by configuring a
824 // DispSync offset. Any additional delays introduced by the hardware
825 // composer or panel must be accounted for here.
826 //
827 // We add an additional 1ms to allow for processing time and
828 // differences between the ideal and actual refresh rate.
Dan Stoza9e56aa02015-11-02 13:00:03 -0800829 info.presentationDeadline = hwConfig->getVsyncPeriod() -
Fabien Sanglard0cc19382017-03-06 11:54:40 -0800830 sfVsyncPhaseOffsetNs + 1000000;
Dan Stoza7f7da322014-05-02 15:26:25 -0700831
832 // All non-virtual displays are currently considered secure.
833 info.secure = true;
834
Michael Wright28f24d02016-07-12 13:30:53 -0700835 configs->push_back(info);
Mathias Agopian8b736f12012-08-13 17:54:26 -0700836 }
837
Dan Stoza7f7da322014-05-02 15:26:25 -0700838 return NO_ERROR;
839}
Jamie Gennisdd3cb842012-10-19 18:19:11 -0700840
Andreas Gampe89fd4f72014-11-13 14:18:56 -0800841status_t SurfaceFlinger::getDisplayStats(const sp<IBinder>& /* display */,
Lajos Molnar67d8bd62014-09-11 14:58:45 -0700842 DisplayStatInfo* stats) {
Peiyong Lin566a3b42018-01-09 18:22:43 -0800843 if (stats == nullptr) {
Lajos Molnar67d8bd62014-09-11 14:58:45 -0700844 return BAD_VALUE;
845 }
846
847 // FIXME for now we always return stats for the primary display
848 memset(stats, 0, sizeof(*stats));
849 stats->vsyncTime = mPrimaryDispSync.computeNextRefresh(0);
850 stats->vsyncPeriod = mPrimaryDispSync.getPeriod();
851 return NO_ERROR;
852}
853
Michael Lentine6c9e34a2014-07-14 13:48:55 -0700854int SurfaceFlinger::getActiveConfig(const sp<IBinder>& display) {
Peiyong Lin566a3b42018-01-09 18:22:43 -0800855 if (display == nullptr) {
856 ALOGE("%s : display is nullptr", __func__);
Jinguang Dong9f8b9ae2016-11-29 13:55:57 +0800857 return BAD_VALUE;
858 }
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -0700859
860 sp<const DisplayDevice> device(getDisplayDevice(display));
Peiyong Lin566a3b42018-01-09 18:22:43 -0800861 if (device != nullptr) {
Dan Stoza24a42e92015-03-09 10:04:11 -0700862 return device->getActiveConfig();
863 }
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -0700864
Dan Stoza24a42e92015-03-09 10:04:11 -0700865 return BAD_VALUE;
Dan Stoza7f7da322014-05-02 15:26:25 -0700866}
Jamie Gennisdd3cb842012-10-19 18:19:11 -0700867
Michael Lentine6c9e34a2014-07-14 13:48:55 -0700868void SurfaceFlinger::setActiveConfigInternal(const sp<DisplayDevice>& hw, int mode) {
869 ALOGD("Set active config mode=%d, type=%d flinger=%p", mode, hw->getDisplayType(),
870 this);
871 int32_t type = hw->getDisplayType();
872 int currentMode = hw->getActiveConfig();
873
874 if (mode == currentMode) {
875 ALOGD("Screen type=%d is already mode=%d", hw->getDisplayType(), mode);
876 return;
877 }
878
879 if (type >= DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
880 ALOGW("Trying to set config for virtual display");
881 return;
882 }
883
884 hw->setActiveConfig(mode);
885 getHwComposer().setActiveConfig(type, mode);
886}
887
888status_t SurfaceFlinger::setActiveConfig(const sp<IBinder>& display, int mode) {
889 class MessageSetActiveConfig: public MessageBase {
890 SurfaceFlinger& mFlinger;
891 sp<IBinder> mDisplay;
892 int mMode;
893 public:
894 MessageSetActiveConfig(SurfaceFlinger& flinger, const sp<IBinder>& disp,
895 int mode) :
896 mFlinger(flinger), mDisplay(disp) { mMode = mode; }
897 virtual bool handler() {
Michael Lentine7306c672014-07-30 13:00:37 -0700898 Vector<DisplayInfo> configs;
899 mFlinger.getDisplayConfigs(mDisplay, &configs);
Jesse Hall78442112014-08-07 22:43:06 -0700900 if (mMode < 0 || mMode >= static_cast<int>(configs.size())) {
Michael Lentine9ae79d82014-07-30 16:42:12 -0700901 ALOGE("Attempt to set active config = %d for display with %zu configs",
Michael Lentine7306c672014-07-30 13:00:37 -0700902 mMode, configs.size());
Michael Wright28f24d02016-07-12 13:30:53 -0700903 return true;
Michael Lentine7306c672014-07-30 13:00:37 -0700904 }
Michael Lentine6c9e34a2014-07-14 13:48:55 -0700905 sp<DisplayDevice> hw(mFlinger.getDisplayDevice(mDisplay));
Peiyong Lin566a3b42018-01-09 18:22:43 -0800906 if (hw == nullptr) {
Michael Lentine6c9e34a2014-07-14 13:48:55 -0700907 ALOGE("Attempt to set active config = %d for null display %p",
Michael Lentine7306c672014-07-30 13:00:37 -0700908 mMode, mDisplay.get());
Michael Lentine6c9e34a2014-07-14 13:48:55 -0700909 } else if (hw->getDisplayType() >= DisplayDevice::DISPLAY_VIRTUAL) {
910 ALOGW("Attempt to set active config = %d for virtual display",
911 mMode);
912 } else {
913 mFlinger.setActiveConfigInternal(hw, mMode);
914 }
915 return true;
916 }
917 };
918 sp<MessageBase> msg = new MessageSetActiveConfig(*this, display, mode);
919 postMessageSync(msg);
Mathias Agopian888c8222012-08-04 21:10:38 -0700920 return NO_ERROR;
Mathias Agopianc666cae2012-07-25 18:56:13 -0700921}
Michael Wright28f24d02016-07-12 13:30:53 -0700922status_t SurfaceFlinger::getDisplayColorModes(const sp<IBinder>& display,
Peiyong Lina52f0292018-03-14 17:26:31 -0700923 Vector<ColorMode>* outColorModes) {
Michael Wright28f24d02016-07-12 13:30:53 -0700924 if ((outColorModes == nullptr) || (display.get() == nullptr)) {
925 return BAD_VALUE;
926 }
927
928 if (!display.get()) {
929 return NAME_NOT_FOUND;
930 }
931
932 int32_t type = NAME_NOT_FOUND;
933 for (int i=0 ; i<DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES ; i++) {
934 if (display == mBuiltinDisplays[i]) {
935 type = i;
936 break;
937 }
938 }
939
940 if (type < 0) {
941 return type;
942 }
943
Peiyong Lina52f0292018-03-14 17:26:31 -0700944 std::vector<ColorMode> modes;
Steven Thomas6d8110b2017-08-31 18:24:21 -0700945 {
946 ConditionalLock _l(mStateLock,
947 std::this_thread::get_id() != mMainThreadId);
948 modes = getHwComposer().getColorModes(type);
949 }
Michael Wright28f24d02016-07-12 13:30:53 -0700950 outColorModes->clear();
951 std::copy(modes.cbegin(), modes.cend(), std::back_inserter(*outColorModes));
952
953 return NO_ERROR;
954}
955
Peiyong Lina52f0292018-03-14 17:26:31 -0700956ColorMode SurfaceFlinger::getActiveColorMode(const sp<IBinder>& display) {
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -0700957 sp<const DisplayDevice> device(getDisplayDevice(display));
Michael Wright28f24d02016-07-12 13:30:53 -0700958 if (device != nullptr) {
959 return device->getActiveColorMode();
960 }
Peiyong Lina52f0292018-03-14 17:26:31 -0700961 return static_cast<ColorMode>(BAD_VALUE);
Michael Wright28f24d02016-07-12 13:30:53 -0700962}
963
964void SurfaceFlinger::setActiveColorModeInternal(const sp<DisplayDevice>& hw,
Peiyong Lina52f0292018-03-14 17:26:31 -0700965 ColorMode mode) {
Michael Wright28f24d02016-07-12 13:30:53 -0700966 int32_t type = hw->getDisplayType();
Peiyong Lina52f0292018-03-14 17:26:31 -0700967 ColorMode currentMode = hw->getActiveColorMode();
Michael Wright28f24d02016-07-12 13:30:53 -0700968
969 if (mode == currentMode) {
Michael Wright28f24d02016-07-12 13:30:53 -0700970 return;
971 }
972
973 if (type >= DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
974 ALOGW("Trying to set config for virtual display");
975 return;
976 }
977
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -0600978 ALOGD("Set active color mode: %s (%d), type=%d", decodeColorMode(mode).c_str(), mode,
979 hw->getDisplayType());
980
Michael Wright28f24d02016-07-12 13:30:53 -0700981 hw->setActiveColorMode(mode);
982 getHwComposer().setActiveColorMode(type, mode);
983}
984
985
986status_t SurfaceFlinger::setActiveColorMode(const sp<IBinder>& display,
Peiyong Lina52f0292018-03-14 17:26:31 -0700987 ColorMode colorMode) {
Michael Wright28f24d02016-07-12 13:30:53 -0700988 class MessageSetActiveColorMode: public MessageBase {
989 SurfaceFlinger& mFlinger;
990 sp<IBinder> mDisplay;
Peiyong Lina52f0292018-03-14 17:26:31 -0700991 ColorMode mMode;
Michael Wright28f24d02016-07-12 13:30:53 -0700992 public:
993 MessageSetActiveColorMode(SurfaceFlinger& flinger, const sp<IBinder>& disp,
Peiyong Lina52f0292018-03-14 17:26:31 -0700994 ColorMode mode) :
Michael Wright28f24d02016-07-12 13:30:53 -0700995 mFlinger(flinger), mDisplay(disp) { mMode = mode; }
996 virtual bool handler() {
Peiyong Lina52f0292018-03-14 17:26:31 -0700997 Vector<ColorMode> modes;
Michael Wright28f24d02016-07-12 13:30:53 -0700998 mFlinger.getDisplayColorModes(mDisplay, &modes);
999 bool exists = std::find(std::begin(modes), std::end(modes), mMode) != std::end(modes);
Peiyong Lina52f0292018-03-14 17:26:31 -07001000 if (mMode < ColorMode::NATIVE || !exists) {
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001001 ALOGE("Attempt to set invalid active color mode %s (%d) for display %p",
1002 decodeColorMode(mMode).c_str(), mMode, mDisplay.get());
Michael Wright28f24d02016-07-12 13:30:53 -07001003 return true;
1004 }
1005 sp<DisplayDevice> hw(mFlinger.getDisplayDevice(mDisplay));
1006 if (hw == nullptr) {
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001007 ALOGE("Attempt to set active color mode %s (%d) for null display %p",
1008 decodeColorMode(mMode).c_str(), mMode, mDisplay.get());
Michael Wright28f24d02016-07-12 13:30:53 -07001009 } else if (hw->getDisplayType() >= DisplayDevice::DISPLAY_VIRTUAL) {
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001010 ALOGW("Attempt to set active color mode %s %d for virtual display",
1011 decodeColorMode(mMode).c_str(), mMode);
Michael Wright28f24d02016-07-12 13:30:53 -07001012 } else {
1013 mFlinger.setActiveColorModeInternal(hw, mMode);
1014 }
1015 return true;
1016 }
1017 };
1018 sp<MessageBase> msg = new MessageSetActiveColorMode(*this, display, colorMode);
1019 postMessageSync(msg);
1020 return NO_ERROR;
1021}
Mathias Agopianc666cae2012-07-25 18:56:13 -07001022
Svetoslavd85084b2014-03-20 10:28:31 -07001023status_t SurfaceFlinger::clearAnimationFrameStats() {
1024 Mutex::Autolock _l(mStateLock);
1025 mAnimFrameTracker.clearStats();
1026 return NO_ERROR;
1027}
1028
1029status_t SurfaceFlinger::getAnimationFrameStats(FrameStats* outStats) const {
1030 Mutex::Autolock _l(mStateLock);
1031 mAnimFrameTracker.getStats(outStats);
1032 return NO_ERROR;
1033}
1034
Dan Stozac4f471e2016-03-24 09:31:08 -07001035status_t SurfaceFlinger::getHdrCapabilities(const sp<IBinder>& display,
1036 HdrCapabilities* outCapabilities) const {
1037 Mutex::Autolock _l(mStateLock);
1038
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07001039 sp<const DisplayDevice> displayDevice(getDisplayDeviceLocked(display));
Dan Stozac4f471e2016-03-24 09:31:08 -07001040 if (displayDevice == nullptr) {
1041 ALOGE("getHdrCapabilities: Invalid display %p", displayDevice.get());
1042 return BAD_VALUE;
1043 }
1044
1045 std::unique_ptr<HdrCapabilities> capabilities =
David Sodman105b7dc2017-11-04 20:28:14 -07001046 getBE().mHwc->getHdrCapabilities(displayDevice->getHwcDisplayId());
Dan Stozac4f471e2016-03-24 09:31:08 -07001047 if (capabilities) {
Chia-I Wu5c6e4632018-01-11 08:54:38 -08001048 if (displayDevice->getWideColorSupport() && !displayDevice->getHdrSupport()) {
1049 // insert HDR10 as we will force client composition for HDR10
1050 // layers
1051 std::vector<int32_t> types = capabilities->getSupportedHdrTypes();
1052 types.push_back(HAL_HDR_HDR10);
1053
1054 *outCapabilities = HdrCapabilities(types,
1055 capabilities->getDesiredMaxLuminance(),
1056 capabilities->getDesiredMaxAverageLuminance(),
1057 capabilities->getDesiredMinLuminance());
1058 } else {
1059 *outCapabilities = std::move(*capabilities);
1060 }
Dan Stozac4f471e2016-03-24 09:31:08 -07001061 } else {
1062 return BAD_VALUE;
1063 }
1064
1065 return NO_ERROR;
1066}
1067
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -07001068status_t SurfaceFlinger::enableVSyncInjections(bool enable) {
Chia-I Wu90f669f2017-10-05 14:24:41 -07001069 sp<LambdaMessage> enableVSyncInjections = new LambdaMessage([&]() {
1070 Mutex::Autolock _l(mStateLock);
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -07001071
Chia-I Wu90f669f2017-10-05 14:24:41 -07001072 if (mInjectVSyncs == enable) {
1073 return;
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -07001074 }
Chia-I Wu90f669f2017-10-05 14:24:41 -07001075
1076 if (enable) {
1077 ALOGV("VSync Injections enabled");
1078 if (mVSyncInjector.get() == nullptr) {
Lloyd Piquee83f9312018-02-01 12:53:17 -08001079 mVSyncInjector = std::make_unique<InjectVSyncSource>();
Lloyd Pique0fcde1b2017-12-20 16:50:21 -08001080 mInjectorEventThread =
1081 std::make_unique<impl::EventThread>(mVSyncInjector.get(), *this, false,
1082 "injEventThread");
Chia-I Wu90f669f2017-10-05 14:24:41 -07001083 }
Lloyd Pique3fcdef12018-01-22 17:14:00 -08001084 mEventQueue->setEventThread(mInjectorEventThread.get());
Chia-I Wu90f669f2017-10-05 14:24:41 -07001085 } else {
1086 ALOGV("VSync Injections disabled");
Lloyd Pique3fcdef12018-01-22 17:14:00 -08001087 mEventQueue->setEventThread(mSFEventThread.get());
Chia-I Wu90f669f2017-10-05 14:24:41 -07001088 }
1089
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -07001090 mInjectVSyncs = enable;
Chia-I Wu90f669f2017-10-05 14:24:41 -07001091 });
1092 postMessageSync(enableVSyncInjections);
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -07001093 return NO_ERROR;
1094}
1095
1096status_t SurfaceFlinger::injectVSync(nsecs_t when) {
Chia-I Wu90f669f2017-10-05 14:24:41 -07001097 Mutex::Autolock _l(mStateLock);
1098
Sahil Dhanjuc1ba5c42016-06-07 20:09:20 -07001099 if (!mInjectVSyncs) {
1100 ALOGE("VSync Injections not enabled");
1101 return BAD_VALUE;
1102 }
1103 if (mInjectVSyncs && mInjectorEventThread.get() != nullptr) {
1104 ALOGV("Injecting VSync inside SurfaceFlinger");
1105 mVSyncInjector->onInjectSyncEvent(when);
1106 }
1107 return NO_ERROR;
1108}
1109
Lloyd Pique755e3192018-01-31 16:46:15 -08001110status_t SurfaceFlinger::getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) const
1111 NO_THREAD_SAFETY_ANALYSIS {
Kalle Raitaa099a242017-01-11 11:17:29 -08001112 IPCThreadState* ipc = IPCThreadState::self();
1113 const int pid = ipc->getCallingPid();
1114 const int uid = ipc->getCallingUid();
1115 if ((uid != AID_SHELL) &&
1116 !PermissionCache::checkPermission(sDump, pid, uid)) {
1117 ALOGE("Layer debug info permission denied for pid=%d, uid=%d", pid, uid);
1118 return PERMISSION_DENIED;
1119 }
1120
1121 // Try to acquire a lock for 1s, fail gracefully
1122 const status_t err = mStateLock.timedLock(s2ns(1));
1123 const bool locked = (err == NO_ERROR);
1124 if (!locked) {
1125 ALOGE("LayerDebugInfo: SurfaceFlinger unresponsive (%s [%d]) - exit", strerror(-err), err);
1126 return TIMED_OUT;
1127 }
1128
1129 outLayers->clear();
1130 mCurrentState.traverseInZOrder([&](Layer* layer) {
1131 outLayers->push_back(layer->getLayerDebugInfo());
1132 });
1133
1134 mStateLock.unlock();
1135 return NO_ERROR;
1136}
1137
Mathias Agopiand0566bc2011-11-17 17:49:17 -08001138// ----------------------------------------------------------------------------
1139
Jorim Jaggib1e2f8d2017-06-08 15:43:59 -07001140sp<IDisplayEventConnection> SurfaceFlinger::createDisplayEventConnection(
1141 ISurfaceComposer::VsyncSource vsyncSource) {
1142 if (vsyncSource == eVsyncSourceSurfaceFlinger) {
1143 return mSFEventThread->createEventConnection();
1144 } else {
1145 return mEventThread->createEventConnection();
1146 }
Mathias Agopianbb641242010-05-18 17:06:55 -07001147}
1148
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08001149// ----------------------------------------------------------------------------
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08001150
1151void SurfaceFlinger::waitForEvent() {
Lloyd Pique3fcdef12018-01-22 17:14:00 -08001152 mEventQueue->waitMessage();
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08001153}
1154
1155void SurfaceFlinger::signalTransaction() {
Lloyd Pique3fcdef12018-01-22 17:14:00 -08001156 mEventQueue->invalidate();
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08001157}
1158
1159void SurfaceFlinger::signalLayerUpdate() {
Lloyd Pique3fcdef12018-01-22 17:14:00 -08001160 mEventQueue->invalidate();
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08001161}
1162
1163void SurfaceFlinger::signalRefresh() {
Dan Stoza2b6d38e2017-06-01 16:40:30 -07001164 mRefreshPending = true;
Lloyd Pique3fcdef12018-01-22 17:14:00 -08001165 mEventQueue->refresh();
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08001166}
1167
1168status_t SurfaceFlinger::postMessageAsync(const sp<MessageBase>& msg,
Dan Stozac7014012014-02-14 15:03:43 -08001169 nsecs_t reltime, uint32_t /* flags */) {
Lloyd Pique3fcdef12018-01-22 17:14:00 -08001170 return mEventQueue->postMessage(msg, reltime);
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08001171}
1172
1173status_t SurfaceFlinger::postMessageSync(const sp<MessageBase>& msg,
Dan Stozac7014012014-02-14 15:03:43 -08001174 nsecs_t reltime, uint32_t /* flags */) {
Lloyd Pique3fcdef12018-01-22 17:14:00 -08001175 status_t res = mEventQueue->postMessage(msg, reltime);
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08001176 if (res == NO_ERROR) {
1177 msg->wait();
1178 }
1179 return res;
1180}
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08001181
Mathias Agopian4f4f0942013-08-19 17:26:18 -07001182void SurfaceFlinger::run() {
Mathias Agopian4f4f0942013-08-19 17:26:18 -07001183 do {
1184 waitForEvent();
1185 } while (true);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08001186}
1187
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001188void SurfaceFlinger::enableHardwareVsync() {
1189 Mutex::Autolock _l(mHWVsyncLock);
Jesse Hall948fe0c2013-10-14 12:56:09 -07001190 if (!mPrimaryHWVsyncEnabled && mHWVsyncAvailable) {
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001191 mPrimaryDispSync.beginResync();
Jamie Gennisd1700752013-10-14 12:22:52 -07001192 //eventControl(HWC_DISPLAY_PRIMARY, SurfaceFlinger::EVENT_VSYNC, true);
1193 mEventControlThread->setVsyncEnabled(true);
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001194 mPrimaryHWVsyncEnabled = true;
Andy McFadden43601a22012-09-11 15:15:13 -07001195 }
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001196}
1197
Jesse Hall948fe0c2013-10-14 12:56:09 -07001198void SurfaceFlinger::resyncToHardwareVsync(bool makeAvailable) {
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001199 Mutex::Autolock _l(mHWVsyncLock);
1200
Jesse Hall948fe0c2013-10-14 12:56:09 -07001201 if (makeAvailable) {
1202 mHWVsyncAvailable = true;
1203 } else if (!mHWVsyncAvailable) {
Dan Stoza0a3c4d62016-04-19 11:56:20 -07001204 // Hardware vsync is not currently available, so abort the resync
1205 // attempt for now
Jesse Hall948fe0c2013-10-14 12:56:09 -07001206 return;
1207 }
1208
David Sodman105b7dc2017-11-04 20:28:14 -07001209 const auto& activeConfig = getBE().mHwc->getActiveConfig(HWC_DISPLAY_PRIMARY);
Dan Stoza9e56aa02015-11-02 13:00:03 -08001210 const nsecs_t period = activeConfig->getVsyncPeriod();
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001211
1212 mPrimaryDispSync.reset();
1213 mPrimaryDispSync.setPeriod(period);
1214
1215 if (!mPrimaryHWVsyncEnabled) {
1216 mPrimaryDispSync.beginResync();
Jamie Gennisd1700752013-10-14 12:22:52 -07001217 //eventControl(HWC_DISPLAY_PRIMARY, SurfaceFlinger::EVENT_VSYNC, true);
1218 mEventControlThread->setVsyncEnabled(true);
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001219 mPrimaryHWVsyncEnabled = true;
1220 }
1221}
1222
Jesse Hall948fe0c2013-10-14 12:56:09 -07001223void SurfaceFlinger::disableHardwareVsync(bool makeUnavailable) {
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001224 Mutex::Autolock _l(mHWVsyncLock);
1225 if (mPrimaryHWVsyncEnabled) {
Jamie Gennisd1700752013-10-14 12:22:52 -07001226 //eventControl(HWC_DISPLAY_PRIMARY, SurfaceFlinger::EVENT_VSYNC, false);
1227 mEventControlThread->setVsyncEnabled(false);
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001228 mPrimaryDispSync.endResync();
1229 mPrimaryHWVsyncEnabled = false;
1230 }
Jesse Hall948fe0c2013-10-14 12:56:09 -07001231 if (makeUnavailable) {
1232 mHWVsyncAvailable = false;
1233 }
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001234}
1235
Tim Murray4a4e4a22016-04-19 16:29:23 +00001236void SurfaceFlinger::resyncWithRateLimit() {
1237 static constexpr nsecs_t kIgnoreDelay = ms2ns(500);
Dan Stoza57164302017-05-08 14:03:54 -07001238
1239 // No explicit locking is needed here since EventThread holds a lock while calling this method
1240 static nsecs_t sLastResyncAttempted = 0;
1241 const nsecs_t now = systemTime();
1242 if (now - sLastResyncAttempted > kIgnoreDelay) {
Dan Stoza0a3c4d62016-04-19 11:56:20 -07001243 resyncToHardwareVsync(false);
Tim Murray4a4e4a22016-04-19 16:29:23 +00001244 }
Dan Stoza57164302017-05-08 14:03:54 -07001245 sLastResyncAttempted = now;
Tim Murray4a4e4a22016-04-19 16:29:23 +00001246}
1247
Steven Thomasb02664d2017-07-26 18:48:28 -07001248void SurfaceFlinger::onVsyncReceived(int32_t sequenceId,
1249 hwc2_display_t displayId, int64_t timestamp) {
Steven Thomas3cfac282017-02-06 12:29:30 -08001250 Mutex::Autolock lock(mStateLock);
Steven Thomasb02664d2017-07-26 18:48:28 -07001251 // Ignore any vsyncs from a previous hardware composer.
David Sodman105b7dc2017-11-04 20:28:14 -07001252 if (sequenceId != getBE().mComposerSequenceId) {
Steven Thomasb02664d2017-07-26 18:48:28 -07001253 return;
1254 }
1255
1256 int32_t type;
David Sodman105b7dc2017-11-04 20:28:14 -07001257 if (!getBE().mHwc->onVsync(displayId, timestamp, &type)) {
Steven Thomas3cfac282017-02-06 12:29:30 -08001258 return;
1259 }
1260
Jamie Gennisd1700752013-10-14 12:22:52 -07001261 bool needsHwVsync = false;
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001262
Jamie Gennisd1700752013-10-14 12:22:52 -07001263 { // Scope for the lock
1264 Mutex::Autolock _l(mHWVsyncLock);
Steven Thomasb02664d2017-07-26 18:48:28 -07001265 if (type == DisplayDevice::DISPLAY_PRIMARY && mPrimaryHWVsyncEnabled) {
Jamie Gennisd1700752013-10-14 12:22:52 -07001266 needsHwVsync = mPrimaryDispSync.addResyncSample(timestamp);
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001267 }
Mathias Agopian148994e2012-09-19 17:31:36 -07001268 }
Jamie Gennisd1700752013-10-14 12:22:52 -07001269
1270 if (needsHwVsync) {
1271 enableHardwareVsync();
1272 } else {
1273 disableHardwareVsync(false);
1274 }
Mathias Agopian148994e2012-09-19 17:31:36 -07001275}
1276
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001277void SurfaceFlinger::getCompositorTiming(CompositorTiming* compositorTiming) {
David Sodman99974d22017-11-28 12:04:33 -08001278 std::lock_guard<std::mutex> lock(getBE().mCompositorTimingLock);
1279 *compositorTiming = getBE().mCompositorTiming;
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001280}
1281
Lloyd Pique715a2c12017-12-14 17:18:08 -08001282void SurfaceFlinger::onHotplugReceived(int32_t sequenceId, hwc2_display_t display,
1283 HWC2::Connection connection) {
1284 ALOGV("onHotplugReceived(%d, %" PRIu64 ", %s)", sequenceId, display,
1285 connection == HWC2::Connection::Connected ? "connected" : "disconnected");
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07001286
Lloyd Piqueba04e622017-12-14 17:11:26 -08001287 // Ignore events that do not have the right sequenceId.
1288 if (sequenceId != getBE().mComposerSequenceId) {
1289 return;
1290 }
1291
Steven Thomasb02664d2017-07-26 18:48:28 -07001292 // Only lock if we're not on the main thread. This function is normally
1293 // called on a hwbinder thread, but for the primary display it's called on
1294 // the main thread with the state lock already held, so don't attempt to
1295 // acquire it here.
Lloyd Piqueba04e622017-12-14 17:11:26 -08001296 ConditionalLock lock(mStateLock, std::this_thread::get_id() != mMainThreadId);
Steven Thomasb02664d2017-07-26 18:48:28 -07001297
Lloyd Pique715a2c12017-12-14 17:18:08 -08001298 mPendingHotplugEvents.emplace_back(HotplugEvent{display, connection});
Mathias Agopian9e2463e2012-09-21 18:26:16 -07001299
Jiwen 'Steve' Caiccfd6822018-02-21 16:15:58 -08001300 if (std::this_thread::get_id() == mMainThreadId) {
1301 // Process all pending hot plug events immediately if we are on the main thread.
1302 processDisplayHotplugEventsLocked();
1303 }
1304
Lloyd Piqueba04e622017-12-14 17:11:26 -08001305 setTransactionFlags(eDisplayTransactionNeeded);
Mathias Agopian86303202012-07-24 22:46:10 -07001306}
1307
Steven Thomasb02664d2017-07-26 18:48:28 -07001308void SurfaceFlinger::onRefreshReceived(int sequenceId,
1309 hwc2_display_t /*display*/) {
Steven Thomas3cfac282017-02-06 12:29:30 -08001310 Mutex::Autolock lock(mStateLock);
David Sodman105b7dc2017-11-04 20:28:14 -07001311 if (sequenceId != getBE().mComposerSequenceId) {
Steven Thomasb02664d2017-07-26 18:48:28 -07001312 return;
Steven Thomas3cfac282017-02-06 12:29:30 -08001313 }
Steven Thomas6d8110b2017-08-31 18:24:21 -07001314 repaintEverythingLocked();
Steven Thomas3cfac282017-02-06 12:29:30 -08001315}
1316
Dan Stoza9e56aa02015-11-02 13:00:03 -08001317void SurfaceFlinger::setVsyncEnabled(int disp, int enabled) {
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001318 ATRACE_CALL();
Steven Thomasb02664d2017-07-26 18:48:28 -07001319 Mutex::Autolock lock(mStateLock);
Dan Stoza9e56aa02015-11-02 13:00:03 -08001320 getHwComposer().setVsyncEnabled(disp,
1321 enabled ? HWC2::Vsync::Enable : HWC2::Vsync::Disable);
Mathias Agopian86303202012-07-24 22:46:10 -07001322}
1323
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07001324// Note: it is assumed the caller holds |mStateLock| when this is called
Steven Thomasb02664d2017-07-26 18:48:28 -07001325void SurfaceFlinger::resetDisplayState() {
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -08001326 disableHardwareVsync(true);
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -08001327 // Clear the drawing state so that the logic inside of
1328 // handleTransactionLocked will fire. It will determine the delta between
1329 // mCurrentState and mDrawingState and re-apply all changes when we make the
1330 // transition.
1331 mDrawingState.displays.clear();
Chia-I Wu7f402902017-11-09 12:51:10 -08001332 getRenderEngine().resetCurrentSurface();
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -08001333 mDisplays.clear();
1334}
1335
Steven Thomas050b2c82017-03-06 11:45:16 -08001336void SurfaceFlinger::updateVrFlinger() {
1337 if (!mVrFlinger)
1338 return;
1339 bool vrFlingerRequestsDisplay = mVrFlingerRequestsDisplay;
David Sodman105b7dc2017-11-04 20:28:14 -07001340 if (vrFlingerRequestsDisplay == getBE().mHwc->isUsingVrComposer()) {
Mark Urbanus209beca2017-02-23 11:16:04 -08001341 return;
1342 }
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07001343
David Sodman105b7dc2017-11-04 20:28:14 -07001344 if (vrFlingerRequestsDisplay && !getBE().mHwc->getComposer()->isRemote()) {
Steven Thomasb02664d2017-07-26 18:48:28 -07001345 ALOGE("Vr flinger is only supported for remote hardware composer"
1346 " service connections. Ignoring request to transition to vr"
1347 " flinger.");
1348 mVrFlingerRequestsDisplay = false;
1349 return;
Mark Urbanus209beca2017-02-23 11:16:04 -08001350 }
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -08001351
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07001352 Mutex::Autolock _l(mStateLock);
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -08001353
Steven Thomasb02664d2017-07-26 18:48:28 -07001354 int currentDisplayPowerMode = getDisplayDeviceLocked(
1355 mBuiltinDisplays[DisplayDevice::DISPLAY_PRIMARY])->getPowerMode();
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -08001356
Steven Thomasb02664d2017-07-26 18:48:28 -07001357 if (!vrFlingerRequestsDisplay) {
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07001358 mVrFlinger->SeizeDisplayOwnership();
Steven Thomasb02664d2017-07-26 18:48:28 -07001359 }
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -08001360
Steven Thomasb02664d2017-07-26 18:48:28 -07001361 resetDisplayState();
David Sodman105b7dc2017-11-04 20:28:14 -07001362 getBE().mHwc.reset(); // Delete the current instance before creating the new one
Lloyd Piquea822d522017-12-20 16:42:57 -08001363 getBE().mHwc.reset(new HWComposer(std::make_unique<Hwc2::impl::Composer>(
1364 vrFlingerRequestsDisplay ? "vr" : getBE().mHwcServiceName)));
David Sodman105b7dc2017-11-04 20:28:14 -07001365 getBE().mHwc->registerCallback(this, ++getBE().mComposerSequenceId);
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07001366
David Sodman105b7dc2017-11-04 20:28:14 -07001367 LOG_ALWAYS_FATAL_IF(!getBE().mHwc->getComposer()->isRemote(),
1368 "Switched to non-remote hardware composer");
Steven Thomasb02664d2017-07-26 18:48:28 -07001369
1370 if (vrFlingerRequestsDisplay) {
1371 mVrFlinger->GrantDisplayOwnership();
1372 } else {
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07001373 enableHardwareVsync();
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -08001374 }
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07001375
1376 mVisibleRegionsDirty = true;
1377 invalidateHwcGeometry();
1378
Alex Sakhartchouk096cb992017-06-05 10:37:57 -04001379 // Re-enable default display.
Steven Thomasb02664d2017-07-26 18:48:28 -07001380 sp<DisplayDevice> hw(getDisplayDeviceLocked(
1381 mBuiltinDisplays[DisplayDevice::DISPLAY_PRIMARY]));
1382 setPowerModeInternal(hw, currentDisplayPowerMode, /*stateLockHeld*/ true);
Alex Sakhartchouk096cb992017-06-05 10:37:57 -04001383
Steven Thomasb02664d2017-07-26 18:48:28 -07001384 // Reset the timing values to account for the period of the swapped in HWC
David Sodman105b7dc2017-11-04 20:28:14 -07001385 const auto& activeConfig = getBE().mHwc->getActiveConfig(HWC_DISPLAY_PRIMARY);
Steven Thomasb02664d2017-07-26 18:48:28 -07001386 const nsecs_t period = activeConfig->getVsyncPeriod();
1387 mAnimFrameTracker.setDisplayRefreshPeriod(period);
Alex Sakhartchouk096cb992017-06-05 10:37:57 -04001388
Steven Thomasb02664d2017-07-26 18:48:28 -07001389 // Use phase of 0 since phase is not known.
1390 // Use latency of 0, which will snap to the ideal latency.
1391 setCompositorTimingSnapped(0, period, 0);
Stephen Kiazyk82386cd2017-04-14 13:43:29 -07001392
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07001393 android_atomic_or(1, &mRepaintEverything);
1394 setTransactionFlags(eDisplayTransactionNeeded);
Hendrik Wagenaar87670ff2017-02-01 12:10:46 -08001395}
1396
Mathias Agopian4fec8732012-06-29 14:12:52 -07001397void SurfaceFlinger::onMessageReceived(int32_t what) {
Jamie Gennis1c8e95c2012-02-23 19:27:23 -08001398 ATRACE_CALL();
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08001399 switch (what) {
Dan Stoza6b9454d2014-11-07 16:00:59 -08001400 case MessageQueue::INVALIDATE: {
Dan Stoza50182882016-07-08 12:02:20 -07001401 bool frameMissed = !mHadClientComposition &&
1402 mPreviousPresentFence != Fence::NO_FENCE &&
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001403 (mPreviousPresentFence->getSignalTime() ==
1404 Fence::SIGNAL_TIME_PENDING);
Dan Stoza50182882016-07-08 12:02:20 -07001405 ATRACE_INT("FrameMissed", static_cast<int>(frameMissed));
Dan Stozac5da2712016-07-20 15:38:12 -07001406 if (mPropagateBackpressure && frameMissed) {
Dan Stoza50182882016-07-08 12:02:20 -07001407 signalLayerUpdate();
1408 break;
1409 }
1410
Steven Thomas050b2c82017-03-06 11:45:16 -08001411 // Now that we're going to make it to the handleMessageTransaction()
1412 // call below it's safe to call updateVrFlinger(), which will
1413 // potentially trigger a display handoff.
1414 updateVrFlinger();
1415
Dan Stoza6b9454d2014-11-07 16:00:59 -08001416 bool refreshNeeded = handleMessageTransaction();
1417 refreshNeeded |= handleMessageInvalidate();
Dan Stoza58784442014-12-02 16:58:17 -08001418 refreshNeeded |= mRepaintEverything;
David Sodman56912832017-11-28 10:27:38 -08001419
David Sodman4bfd3972017-12-15 13:33:47 -08001420 preComposition();
David Sodman56912832017-11-28 10:27:38 -08001421 rebuildLayerStacks();
David Sodman56912832017-11-28 10:27:38 -08001422 calculateWorkingSet();
1423
Dan Stoza6b9454d2014-11-07 16:00:59 -08001424 if (refreshNeeded) {
David Sodman56912832017-11-28 10:27:38 -08001425
Dan Stoza58784442014-12-02 16:58:17 -08001426 // Signal a refresh if a transaction modified the window state,
1427 // a new buffer was latched, or if HWC has requested a full
1428 // repaint
Dan Stoza6b9454d2014-11-07 16:00:59 -08001429 signalRefresh();
1430 }
1431 break;
1432 }
1433 case MessageQueue::REFRESH: {
1434 handleMessageRefresh();
1435 break;
1436 }
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08001437 }
1438}
1439
Dan Stoza6b9454d2014-11-07 16:00:59 -08001440bool SurfaceFlinger::handleMessageTransaction() {
Fabien Sanglardc8251eb2016-12-07 13:59:48 -08001441 uint32_t transactionFlags = peekTransactionFlags();
Mathias Agopian4fec8732012-06-29 14:12:52 -07001442 if (transactionFlags) {
Mathias Agopian87baae12012-07-31 12:38:26 -07001443 handleTransaction(transactionFlags);
Dan Stoza6b9454d2014-11-07 16:00:59 -08001444 return true;
Mathias Agopian4fec8732012-06-29 14:12:52 -07001445 }
Dan Stoza6b9454d2014-11-07 16:00:59 -08001446 return false;
Mathias Agopian4fec8732012-06-29 14:12:52 -07001447}
1448
Dan Stoza6b9454d2014-11-07 16:00:59 -08001449bool SurfaceFlinger::handleMessageInvalidate() {
Mathias Agopiancd60f992012-08-16 16:28:27 -07001450 ATRACE_CALL();
Dan Stoza6b9454d2014-11-07 16:00:59 -08001451 return handlePageFlip();
Mathias Agopian4fec8732012-06-29 14:12:52 -07001452}
1453
David Sodman56912832017-11-28 10:27:38 -08001454void SurfaceFlinger::calculateWorkingSet() {
1455 ATRACE_CALL();
1456 ALOGV(__FUNCTION__);
1457
1458 // build the h/w work list
1459 if (CC_UNLIKELY(mGeometryInvalid)) {
1460 mGeometryInvalid = false;
1461 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
1462 sp<const DisplayDevice> displayDevice(mDisplays[dpy]);
1463 const auto hwcId = displayDevice->getHwcDisplayId();
1464 if (hwcId >= 0) {
1465 const Vector<sp<Layer>>& currentLayers(
1466 displayDevice->getVisibleLayersSortedByZ());
1467 for (size_t i = 0; i < currentLayers.size(); i++) {
1468 const auto& layer = currentLayers[i];
1469
1470 if (!layer->hasHwcLayer(hwcId)) {
1471 if (!layer->createHwcLayer(getBE().mHwc.get(), hwcId)) {
1472 layer->forceClientComposition(hwcId);
1473 continue;
1474 }
1475 }
1476
1477 layer->setGeometry(displayDevice, i);
1478 if (mDebugDisableHWC || mDebugRegion) {
1479 layer->forceClientComposition(hwcId);
1480 }
1481 }
1482 }
1483 }
1484 }
1485 mat4 colorMatrix = mColorMatrix * computeSaturationMatrix() * mDaltonizer();
1486
1487 // Set the per-frame data
1488 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
1489 auto& displayDevice = mDisplays[displayId];
1490 const auto hwcId = displayDevice->getHwcDisplayId();
1491
1492 if (hwcId < 0) {
1493 continue;
1494 }
1495 if (colorMatrix != mPreviousColorMatrix) {
1496 status_t result = getBE().mHwc->setColorTransform(hwcId, colorMatrix);
1497 ALOGE_IF(result != NO_ERROR, "Failed to set color transform on "
1498 "display %zd: %d", displayId, result);
1499 }
1500 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
1501 if ((layer->getDataSpace() == HAL_DATASPACE_BT2020_PQ ||
1502 layer->getDataSpace() == HAL_DATASPACE_BT2020_ITU_PQ) &&
1503 !displayDevice->getHdrSupport()) {
1504 layer->forceClientComposition(hwcId);
1505 }
1506
1507 if (layer->getForceClientComposition(hwcId)) {
1508 ALOGV("[%s] Requesting Client composition", layer->getName().string());
1509 layer->setCompositionType(hwcId, HWC2::Composition::Client);
1510 continue;
1511 }
1512
1513 layer->setPerFrameData(displayDevice);
1514 }
1515
1516 if (hasWideColorDisplay) {
1517 ColorMode newColorMode;
1518 android_dataspace newDataSpace = HAL_DATASPACE_V0_SRGB;
1519
1520 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
1521 newDataSpace = bestTargetDataSpace(layer->getDataSpace(), newDataSpace,
1522 displayDevice->getHdrSupport());
1523 ALOGV("layer: %s, dataspace: %s (%#x), newDataSpace: %s (%#x)",
1524 layer->getName().string(), dataspaceDetails(layer->getDataSpace()).c_str(),
1525 layer->getDataSpace(), dataspaceDetails(newDataSpace).c_str(), newDataSpace);
1526 }
1527 newColorMode = pickColorMode(newDataSpace);
1528
1529 setActiveColorModeInternal(displayDevice, newColorMode);
1530 }
1531 }
1532
1533 mPreviousColorMatrix = colorMatrix;
1534 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
1535 auto& displayDevice = mDisplays[displayId];
1536 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
1537 auto hwcId = displayDevice->getHwcDisplayId();
1538 layer->getBE().compositionInfo.compositionType = layer->getCompositionType(hwcId);
1539 if (!layer->setHwcLayer(hwcId)) {
1540 ALOGV("Need to create HWCLayer for %s", layer->getName().string());
1541 }
1542 layer->getBE().compositionInfo.hwc.hwid = hwcId;
1543 getBE().mCompositionInfo.push_back(layer->getBE().compositionInfo);
1544 layer->getBE().compositionInfo.hwc.hwcLayer = nullptr;
1545 }
1546 }
1547}
1548
Mathias Agopian4fec8732012-06-29 14:12:52 -07001549void SurfaceFlinger::handleMessageRefresh() {
Mathias Agopiancd60f992012-08-16 16:28:27 -07001550 ATRACE_CALL();
Dan Stoza14cd37c2015-07-09 12:43:33 -07001551
Dan Stoza2b6d38e2017-06-01 16:40:30 -07001552 mRefreshPending = false;
1553
Dan Stoza14cd37c2015-07-09 12:43:33 -07001554
David Sodman4bfd3972017-12-15 13:33:47 -08001555
1556 beginFrame();
1557 for (auto compositionInfo : getBE().mCompositionInfo) {
1558 setUpHWComposer(compositionInfo);
1559 }
1560 prepareFrame();
Dan Stoza05dacfb2016-07-01 13:33:38 -07001561 doDebugFlashRegions();
Adrian Roos1e1a1282017-11-01 19:05:31 +01001562 doTracing("handleRefresh");
Yiwei Zhang7124ad32018-02-21 13:02:45 -08001563 logLayerStats();
Dan Stoza05dacfb2016-07-01 13:33:38 -07001564 doComposition();
David Sodman4bfd3972017-12-15 13:33:47 -08001565 postComposition();
1566
1567 getBE().mCompositionInfo.clear();
Dan Stoza05dacfb2016-07-01 13:33:38 -07001568
David Sodman105b7dc2017-11-04 20:28:14 -07001569 mPreviousPresentFence = getBE().mHwc->getPresentFence(HWC_DISPLAY_PRIMARY);
Dan Stozabfbffeb2016-07-21 14:49:33 -07001570
1571 mHadClientComposition = false;
1572 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
1573 const sp<DisplayDevice>& displayDevice = mDisplays[displayId];
1574 mHadClientComposition = mHadClientComposition ||
David Sodman105b7dc2017-11-04 20:28:14 -07001575 getBE().mHwc->hasClientComposition(displayDevice->getHwcDisplayId());
Dan Stozabfbffeb2016-07-21 14:49:33 -07001576 }
Dan Stoza14cd37c2015-07-09 12:43:33 -07001577
Dan Stoza9e56aa02015-11-02 13:00:03 -08001578 mLayersWithQueuedFrames.clear();
Mathias Agopiancd60f992012-08-16 16:28:27 -07001579}
Mathias Agopian4fec8732012-06-29 14:12:52 -07001580
Mathias Agopiancd60f992012-08-16 16:28:27 -07001581void SurfaceFlinger::doDebugFlashRegions()
1582{
1583 // is debugging enabled
1584 if (CC_LIKELY(!mDebugRegion))
1585 return;
1586
1587 const bool repaintEverything = mRepaintEverything;
1588 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
1589 const sp<DisplayDevice>& hw(mDisplays[dpy]);
Prashant Malani2c9b11f2014-05-25 01:36:31 -07001590 if (hw->isDisplayOn()) {
Mathias Agopiancd60f992012-08-16 16:28:27 -07001591 // transform the dirty region into this screen's coordinate space
1592 const Region dirtyRegion(hw->getDirtyRegion(repaintEverything));
1593 if (!dirtyRegion.isEmpty()) {
1594 // redraw the whole screen
Chia-I Wub02087d2017-11-09 10:19:54 -08001595 doComposeSurfaces(hw);
Mathias Agopiancd60f992012-08-16 16:28:27 -07001596
1597 // and draw the dirty region
Mathias Agopiancd60f992012-08-16 16:28:27 -07001598 const int32_t height = hw->getHeight();
Lloyd Pique144e1162017-12-20 16:44:52 -08001599 auto& engine(getRenderEngine());
Mathias Agopian3f844832013-08-07 21:24:32 -07001600 engine.fillRegionWithColor(dirtyRegion, height, 1, 0, 1, 1);
1601
Mathias Agopianda27af92012-09-13 18:17:13 -07001602 hw->swapBuffers(getHwComposer());
Mathias Agopiancd60f992012-08-16 16:28:27 -07001603 }
1604 }
1605 }
1606
1607 postFramebuffer();
1608
1609 if (mDebugRegion > 1) {
1610 usleep(mDebugRegion * 1000);
1611 }
Mathias Agopianbb53b0e2012-09-24 21:27:29 -07001612
Dan Stoza9e56aa02015-11-02 13:00:03 -08001613 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
Dan Stoza7bdf55a2016-06-17 11:29:01 -07001614 auto& displayDevice = mDisplays[displayId];
1615 if (!displayDevice->isDisplayOn()) {
1616 continue;
1617 }
1618
David Sodman105b7dc2017-11-04 20:28:14 -07001619 status_t result = displayDevice->prepareFrame(*getBE().mHwc);
1620 ALOGE_IF(result != NO_ERROR,
1621 "prepareFrame for display %zd failed:"
1622 " %d (%s)",
1623 displayId, result, strerror(-result));
Mathias Agopianbb53b0e2012-09-24 21:27:29 -07001624 }
Mathias Agopiancd60f992012-08-16 16:28:27 -07001625}
1626
Adrian Roos1e1a1282017-11-01 19:05:31 +01001627void SurfaceFlinger::doTracing(const char* where) {
1628 ATRACE_CALL();
1629 ATRACE_NAME(where);
1630 if (CC_UNLIKELY(mTracing.isEnabled())) {
Jorim Jaggi8e0af362017-11-14 16:28:28 +01001631 mTracing.traceLayers(where, dumpProtoInfo(LayerVector::StateSet::Drawing));
Adrian Roos1e1a1282017-11-01 19:05:31 +01001632 }
1633}
1634
Yiwei Zhang7124ad32018-02-21 13:02:45 -08001635void SurfaceFlinger::logLayerStats() {
1636 ATRACE_CALL();
1637 if (CC_UNLIKELY(mLayerStats.isEnabled())) {
1638 int32_t hwcId = -1;
1639 for (size_t dpy = 0; dpy < mDisplays.size(); ++dpy) {
1640 const sp<const DisplayDevice>& displayDevice(mDisplays[dpy]);
1641 if (displayDevice->isPrimary()) {
1642 hwcId = displayDevice->getHwcDisplayId();
1643 break;
1644 }
1645 }
1646 if (hwcId < 0) {
1647 ALOGE("LayerStats: Hmmm, no primary display?");
1648 return;
1649 }
1650 mLayerStats.logLayerStats(dumpVisibleLayersProtoInfo(hwcId));
1651 }
1652}
1653
David Sodman4bfd3972017-12-15 13:33:47 -08001654void SurfaceFlinger::preComposition()
Mathias Agopiancd60f992012-08-16 16:28:27 -07001655{
Dan Stoza9e56aa02015-11-02 13:00:03 -08001656 ATRACE_CALL();
1657 ALOGV("preComposition");
1658
Mathias Agopiancd60f992012-08-16 16:28:27 -07001659 bool needExtraInvalidate = false;
Robert Carr2047fae2016-11-28 14:09:09 -08001660 mDrawingState.traverseInZOrder([&](Layer* layer) {
David Sodman4bfd3972017-12-15 13:33:47 -08001661 if (layer->onPreComposition(mRefreshStartTime)) {
Mathias Agopiancd60f992012-08-16 16:28:27 -07001662 needExtraInvalidate = true;
1663 }
Robert Carr2047fae2016-11-28 14:09:09 -08001664 });
1665
Mathias Agopiancd60f992012-08-16 16:28:27 -07001666 if (needExtraInvalidate) {
1667 signalLayerUpdate();
1668 }
1669}
1670
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001671void SurfaceFlinger::updateCompositorTiming(
1672 nsecs_t vsyncPhase, nsecs_t vsyncInterval, nsecs_t compositeTime,
1673 std::shared_ptr<FenceTime>& presentFenceTime) {
1674 // Update queue of past composite+present times and determine the
1675 // most recently known composite to present latency.
David Sodman99974d22017-11-28 12:04:33 -08001676 getBE().mCompositePresentTimes.push({compositeTime, presentFenceTime});
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001677 nsecs_t compositeToPresentLatency = -1;
David Sodman99974d22017-11-28 12:04:33 -08001678 while (!getBE().mCompositePresentTimes.empty()) {
1679 SurfaceFlingerBE::CompositePresentTime& cpt = getBE().mCompositePresentTimes.front();
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001680 // Cached values should have been updated before calling this method,
1681 // which helps avoid duplicate syscalls.
1682 nsecs_t displayTime = cpt.display->getCachedSignalTime();
1683 if (displayTime == Fence::SIGNAL_TIME_PENDING) {
1684 break;
1685 }
1686 compositeToPresentLatency = displayTime - cpt.composite;
David Sodman99974d22017-11-28 12:04:33 -08001687 getBE().mCompositePresentTimes.pop();
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001688 }
1689
1690 // Don't let mCompositePresentTimes grow unbounded, just in case.
David Sodman99974d22017-11-28 12:04:33 -08001691 while (getBE().mCompositePresentTimes.size() > 16) {
1692 getBE().mCompositePresentTimes.pop();
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001693 }
1694
Brian Andersond0010582017-03-07 13:20:31 -08001695 setCompositorTimingSnapped(
1696 vsyncPhase, vsyncInterval, compositeToPresentLatency);
1697}
1698
1699void SurfaceFlinger::setCompositorTimingSnapped(nsecs_t vsyncPhase,
1700 nsecs_t vsyncInterval, nsecs_t compositeToPresentLatency) {
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001701 // Integer division and modulo round toward 0 not -inf, so we need to
1702 // treat negative and positive offsets differently.
Brian Andersond0010582017-03-07 13:20:31 -08001703 nsecs_t idealLatency = (sfVsyncPhaseOffsetNs > 0) ?
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001704 (vsyncInterval - (sfVsyncPhaseOffsetNs % vsyncInterval)) :
1705 ((-sfVsyncPhaseOffsetNs) % vsyncInterval);
1706
Brian Andersond0010582017-03-07 13:20:31 -08001707 // Just in case sfVsyncPhaseOffsetNs == -vsyncInterval.
1708 if (idealLatency <= 0) {
1709 idealLatency = vsyncInterval;
1710 }
1711
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001712 // Snap the latency to a value that removes scheduling jitter from the
1713 // composition and present times, which often have >1ms of jitter.
1714 // Reducing jitter is important if an app attempts to extrapolate
1715 // something (such as user input) to an accurate diasplay time.
1716 // Snapping also allows an app to precisely calculate sfVsyncPhaseOffsetNs
1717 // with (presentLatency % interval).
Brian Andersond0010582017-03-07 13:20:31 -08001718 nsecs_t bias = vsyncInterval / 2;
1719 int64_t extraVsyncs =
1720 (compositeToPresentLatency - idealLatency + bias) / vsyncInterval;
1721 nsecs_t snappedCompositeToPresentLatency = (extraVsyncs > 0) ?
1722 idealLatency + (extraVsyncs * vsyncInterval) : idealLatency;
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001723
David Sodman99974d22017-11-28 12:04:33 -08001724 std::lock_guard<std::mutex> lock(getBE().mCompositorTimingLock);
1725 getBE().mCompositorTiming.deadline = vsyncPhase - idealLatency;
1726 getBE().mCompositorTiming.interval = vsyncInterval;
1727 getBE().mCompositorTiming.presentLatency = snappedCompositeToPresentLatency;
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001728}
1729
David Sodman4bfd3972017-12-15 13:33:47 -08001730void SurfaceFlinger::postComposition()
Mathias Agopiancd60f992012-08-16 16:28:27 -07001731{
Dan Stoza9e56aa02015-11-02 13:00:03 -08001732 ATRACE_CALL();
1733 ALOGV("postComposition");
1734
Brian Anderson3546a3f2016-07-14 11:51:14 -07001735 // Release any buffers which were replaced this frame
Brian Andersonf6386862016-10-31 16:34:13 -07001736 nsecs_t dequeueReadyTime = systemTime();
Brian Anderson3546a3f2016-07-14 11:51:14 -07001737 for (auto& layer : mLayersWithQueuedFrames) {
Brian Andersonf6386862016-10-31 16:34:13 -07001738 layer->releasePendingBuffer(dequeueReadyTime);
Brian Anderson3546a3f2016-07-14 11:51:14 -07001739 }
1740
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07001741 // |mStateLock| not needed as we are on the main thread
1742 const sp<const DisplayDevice> hw(getDefaultDisplayDeviceLocked());
Brian Anderson3d4039d2016-09-23 16:31:30 -07001743
David Sodman73beded2017-11-15 11:56:06 -08001744 getBE().mGlCompositionDoneTimeline.updateSignalTimes();
Brian Anderson3d4039d2016-09-23 16:31:30 -07001745 std::shared_ptr<FenceTime> glCompositionDoneFenceTime;
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08001746 if (hw && getBE().mHwc->hasClientComposition(HWC_DISPLAY_PRIMARY)) {
Brian Anderson3d4039d2016-09-23 16:31:30 -07001747 glCompositionDoneFenceTime =
1748 std::make_shared<FenceTime>(hw->getClientTargetAcquireFence());
David Sodman73beded2017-11-15 11:56:06 -08001749 getBE().mGlCompositionDoneTimeline.push(glCompositionDoneFenceTime);
Brian Anderson3d4039d2016-09-23 16:31:30 -07001750 } else {
1751 glCompositionDoneFenceTime = FenceTime::NO_FENCE;
1752 }
Brian Anderson3d4039d2016-09-23 16:31:30 -07001753
David Sodman73beded2017-11-15 11:56:06 -08001754 getBE().mDisplayTimeline.updateSignalTimes();
David Sodman105b7dc2017-11-04 20:28:14 -07001755 sp<Fence> presentFence = getBE().mHwc->getPresentFence(HWC_DISPLAY_PRIMARY);
Brian Anderson4e606e32017-03-16 15:34:57 -07001756 auto presentFenceTime = std::make_shared<FenceTime>(presentFence);
David Sodman73beded2017-11-15 11:56:06 -08001757 getBE().mDisplayTimeline.push(presentFenceTime);
Brian Anderson3d4039d2016-09-23 16:31:30 -07001758
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001759 nsecs_t vsyncPhase = mPrimaryDispSync.computeNextRefresh(0);
1760 nsecs_t vsyncInterval = mPrimaryDispSync.getPeriod();
1761
David Sodman4bfd3972017-12-15 13:33:47 -08001762 // We use the mRefreshStartTime which might be sampled a little later than
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001763 // when we started doing work for this frame, but that should be okay
1764 // since updateCompositorTiming has snapping logic.
1765 updateCompositorTiming(
David Sodman4bfd3972017-12-15 13:33:47 -08001766 vsyncPhase, vsyncInterval, mRefreshStartTime, presentFenceTime);
Brian Andersond0010582017-03-07 13:20:31 -08001767 CompositorTiming compositorTiming;
1768 {
David Sodman99974d22017-11-28 12:04:33 -08001769 std::lock_guard<std::mutex> lock(getBE().mCompositorTimingLock);
1770 compositorTiming = getBE().mCompositorTiming;
Brian Andersond0010582017-03-07 13:20:31 -08001771 }
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001772
Robert Carr2047fae2016-11-28 14:09:09 -08001773 mDrawingState.traverseInZOrder([&](Layer* layer) {
1774 bool frameLatched = layer->onPostComposition(glCompositionDoneFenceTime,
Brian Anderson4e606e32017-03-16 15:34:57 -07001775 presentFenceTime, compositorTiming);
Dan Stozae77c7662016-05-13 11:37:28 -07001776 if (frameLatched) {
Robert Carr2047fae2016-11-28 14:09:09 -08001777 recordBufferingStats(layer->getName().string(),
1778 layer->getOccupancyHistory(false));
Dan Stozae77c7662016-05-13 11:37:28 -07001779 }
Robert Carr2047fae2016-11-28 14:09:09 -08001780 });
Jamie Gennis4b0eba92013-02-05 13:30:24 -08001781
Brian Andersonfbc80ae2017-05-26 16:23:54 -07001782 if (presentFenceTime->isValid()) {
1783 if (mPrimaryDispSync.addPresentFence(presentFenceTime)) {
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001784 enableHardwareVsync();
1785 } else {
Jesse Hall948fe0c2013-10-14 12:56:09 -07001786 disableHardwareVsync(false);
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001787 }
1788 }
1789
Fabien Sanglardcbf153b2017-03-10 17:57:12 -08001790 if (!hasSyncFramework) {
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08001791 if (getBE().mHwc->isConnected(HWC_DISPLAY_PRIMARY) && hw->isDisplayOn()) {
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001792 enableHardwareVsync();
1793 }
1794 }
1795
Jamie Gennis4b0eba92013-02-05 13:30:24 -08001796 if (mAnimCompositionPending) {
1797 mAnimCompositionPending = false;
1798
Brian Anderson4e606e32017-03-16 15:34:57 -07001799 if (presentFenceTime->isValid()) {
Brian Anderson3d4039d2016-09-23 16:31:30 -07001800 mAnimFrameTracker.setActualPresentFence(
Brian Anderson4e606e32017-03-16 15:34:57 -07001801 std::move(presentFenceTime));
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08001802 } else if (getBE().mHwc->isConnected(HWC_DISPLAY_PRIMARY)) {
Jamie Gennis4b0eba92013-02-05 13:30:24 -08001803 // The HWC doesn't support present fences, so use the refresh
1804 // timestamp instead.
Dan Stoza9e56aa02015-11-02 13:00:03 -08001805 nsecs_t presentTime =
David Sodman105b7dc2017-11-04 20:28:14 -07001806 getBE().mHwc->getRefreshTimestamp(HWC_DISPLAY_PRIMARY);
Jamie Gennis4b0eba92013-02-05 13:30:24 -08001807 mAnimFrameTracker.setActualPresentTime(presentTime);
1808 }
1809 mAnimFrameTracker.advanceFrame();
1810 }
Dan Stozab90cf072015-03-05 11:05:59 -08001811
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08001812 if (getBE().mHwc->isConnected(HWC_DISPLAY_PRIMARY) &&
1813 hw->getPowerMode() == HWC_POWER_MODE_OFF) {
Dan Stozab90cf072015-03-05 11:05:59 -08001814 return;
1815 }
1816
1817 nsecs_t currentTime = systemTime();
1818 if (mHasPoweredOff) {
1819 mHasPoweredOff = false;
1820 } else {
David Sodman4a36e932017-11-07 14:29:47 -08001821 nsecs_t elapsedTime = currentTime - getBE().mLastSwapTime;
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001822 size_t numPeriods = static_cast<size_t>(elapsedTime / vsyncInterval);
David Sodman4a36e932017-11-07 14:29:47 -08001823 if (numPeriods < SurfaceFlingerBE::NUM_BUCKETS - 1) {
1824 getBE().mFrameBuckets[numPeriods] += elapsedTime;
Dan Stozab90cf072015-03-05 11:05:59 -08001825 } else {
David Sodman4a36e932017-11-07 14:29:47 -08001826 getBE().mFrameBuckets[SurfaceFlingerBE::NUM_BUCKETS - 1] += elapsedTime;
Dan Stozab90cf072015-03-05 11:05:59 -08001827 }
David Sodman4a36e932017-11-07 14:29:47 -08001828 getBE().mTotalTime += elapsedTime;
Dan Stozab90cf072015-03-05 11:05:59 -08001829 }
David Sodman4a36e932017-11-07 14:29:47 -08001830 getBE().mLastSwapTime = currentTime;
Mathias Agopiancd60f992012-08-16 16:28:27 -07001831}
1832
1833void SurfaceFlinger::rebuildLayerStacks() {
Dan Stoza9e56aa02015-11-02 13:00:03 -08001834 ATRACE_CALL();
1835 ALOGV("rebuildLayerStacks");
1836
Mathias Agopiancd60f992012-08-16 16:28:27 -07001837 // rebuild the visible layer list per screen
Jeff Sharkey76488112017-02-27 14:15:18 -07001838 if (CC_UNLIKELY(mVisibleRegionsDirty)) {
Siarhei Vishniakoufc2589e2017-09-21 15:35:13 -07001839 ATRACE_NAME("rebuildLayerStacks VR Dirty");
Jeff Sharkey76488112017-02-27 14:15:18 -07001840 mVisibleRegionsDirty = false;
1841 invalidateHwcGeometry();
Fabien Sanglard3beb7112017-02-24 17:33:52 -08001842
Jeff Sharkey76488112017-02-27 14:15:18 -07001843 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
1844 Region opaqueRegion;
1845 Region dirtyRegion;
1846 Vector<sp<Layer>> layersSortedByZ;
Chia-I Wu83806892017-11-16 10:50:20 -08001847 Vector<sp<Layer>> layersNeedingFences;
Jeff Sharkey76488112017-02-27 14:15:18 -07001848 const sp<DisplayDevice>& displayDevice(mDisplays[dpy]);
1849 const Transform& tr(displayDevice->getTransform());
1850 const Rect bounds(displayDevice->getBounds());
1851 if (displayDevice->isDisplayOn()) {
Chia-I Wuab0c3192017-08-01 11:29:00 -07001852 computeVisibleRegions(displayDevice, dirtyRegion, opaqueRegion);
Fabien Sanglard3beb7112017-02-24 17:33:52 -08001853
Jeff Sharkey76488112017-02-27 14:15:18 -07001854 mDrawingState.traverseInZOrder([&](Layer* layer) {
Chia-I Wu83806892017-11-16 10:50:20 -08001855 bool hwcLayerDestroyed = false;
Chia-I Wuab0c3192017-08-01 11:29:00 -07001856 if (layer->belongsToDisplay(displayDevice->getLayerStack(),
1857 displayDevice->isPrimary())) {
Jeff Sharkey76488112017-02-27 14:15:18 -07001858 Region drawRegion(tr.transform(
1859 layer->visibleNonTransparentRegion));
1860 drawRegion.andSelf(bounds);
1861 if (!drawRegion.isEmpty()) {
1862 layersSortedByZ.add(layer);
1863 } else {
David Sodman56912832017-11-28 10:27:38 -08001864 if (layer->hasHwcLayer(displayDevice->getHwcDisplayId())) {
1865 // Clear out the HWC layer if this layer was
1866 // previously visible, but no longer is
1867 hwcLayerDestroyed = layer->destroyHwcLayer(
1868 displayDevice->getHwcDisplayId());
1869 }
1870 }
1871 } else {
1872 if (layer->hasHwcLayer(displayDevice->getHwcDisplayId())) {
1873 // WM changes displayDevice->layerStack upon sleep/awake.
1874 // Here we make sure we delete the HWC layers even if
1875 // WM changed their layer stack.
Chia-I Wu83806892017-11-16 10:50:20 -08001876 hwcLayerDestroyed = layer->destroyHwcLayer(
Steven Thomasb02664d2017-07-26 18:48:28 -07001877 displayDevice->getHwcDisplayId());
Jeff Sharkey76488112017-02-27 14:15:18 -07001878 }
Chia-I Wu83806892017-11-16 10:50:20 -08001879 }
1880
1881 // If a layer is not going to get a release fence because
1882 // it is invisible, but it is also going to release its
1883 // old buffer, add it to the list of layers needing
1884 // fences.
1885 if (hwcLayerDestroyed) {
1886 auto found = std::find(mLayersWithQueuedFrames.cbegin(),
1887 mLayersWithQueuedFrames.cend(), layer);
1888 if (found != mLayersWithQueuedFrames.cend()) {
1889 layersNeedingFences.add(layer);
1890 }
Fabien Sanglard3beb7112017-02-24 17:33:52 -08001891 }
Jeff Sharkey76488112017-02-27 14:15:18 -07001892 });
1893 }
1894 displayDevice->setVisibleLayersSortedByZ(layersSortedByZ);
Chia-I Wu83806892017-11-16 10:50:20 -08001895 displayDevice->setLayersNeedingFences(layersNeedingFences);
Jeff Sharkey76488112017-02-27 14:15:18 -07001896 displayDevice->undefinedRegion.set(bounds);
1897 displayDevice->undefinedRegion.subtractSelf(
1898 tr.transform(opaqueRegion));
1899 displayDevice->dirtyRegion.orSelf(dirtyRegion);
Fabien Sanglard3beb7112017-02-24 17:33:52 -08001900 }
Fabien Sanglard3beb7112017-02-24 17:33:52 -08001901 }
Mathias Agopiancd60f992012-08-16 16:28:27 -07001902}
Mathias Agopian3b1d2b62012-07-11 13:48:17 -07001903
Romain Guy0147a172017-06-01 13:53:56 -07001904mat4 SurfaceFlinger::computeSaturationMatrix() const {
1905 if (mSaturation == 1.0f) {
1906 return mat4();
1907 }
1908
1909 // Rec.709 luma coefficients
1910 float3 luminance{0.213f, 0.715f, 0.072f};
1911 luminance *= 1.0f - mSaturation;
1912 return mat4(
1913 vec4{luminance.r + mSaturation, luminance.r, luminance.r, 0.0f},
1914 vec4{luminance.g, luminance.g + mSaturation, luminance.g, 0.0f},
1915 vec4{luminance.b, luminance.b, luminance.b + mSaturation, 0.0f},
1916 vec4{0.0f, 0.0f, 0.0f, 1.0f}
1917 );
1918}
1919
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001920// pickColorMode translates a given dataspace into the best available color mode.
1921// Currently only support sRGB and Display-P3.
Peiyong Lina52f0292018-03-14 17:26:31 -07001922ColorMode SurfaceFlinger::pickColorMode(android_dataspace dataSpace) const {
Romain Guy54f154a2017-10-24 21:40:32 +01001923 if (mForceNativeColorMode) {
Peiyong Lina52f0292018-03-14 17:26:31 -07001924 return ColorMode::NATIVE;
Romain Guy54f154a2017-10-24 21:40:32 +01001925 }
1926
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001927 switch (dataSpace) {
1928 // treat Unknown as regular SRGB buffer, since that's what the rest of the
1929 // system expects.
1930 case HAL_DATASPACE_UNKNOWN:
1931 case HAL_DATASPACE_SRGB:
1932 case HAL_DATASPACE_V0_SRGB:
Peiyong Lina52f0292018-03-14 17:26:31 -07001933 return ColorMode::SRGB;
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001934 break;
1935
1936 case HAL_DATASPACE_DISPLAY_P3:
Peiyong Lina52f0292018-03-14 17:26:31 -07001937 return ColorMode::DISPLAY_P3;
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001938 break;
1939
1940 default:
1941 // TODO (courtneygo): Do we want to assert an error here?
1942 ALOGE("No color mode mapping for %s (%#x)", dataspaceDetails(dataSpace).c_str(),
1943 dataSpace);
Peiyong Lina52f0292018-03-14 17:26:31 -07001944 return ColorMode::SRGB;
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001945 break;
1946 }
1947}
1948
Romain Guy0147a172017-06-01 13:53:56 -07001949android_dataspace SurfaceFlinger::bestTargetDataSpace(
Chia-I Wu5c6e4632018-01-11 08:54:38 -08001950 android_dataspace a, android_dataspace b, bool hasHdr) const {
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001951 // Only support sRGB and Display-P3 right now.
1952 if (a == HAL_DATASPACE_DISPLAY_P3 || b == HAL_DATASPACE_DISPLAY_P3) {
1953 return HAL_DATASPACE_DISPLAY_P3;
1954 }
Romain Guy88d37dd2017-05-26 17:57:05 -07001955 if (a == HAL_DATASPACE_V0_SCRGB_LINEAR || b == HAL_DATASPACE_V0_SCRGB_LINEAR) {
1956 return HAL_DATASPACE_DISPLAY_P3;
1957 }
1958 if (a == HAL_DATASPACE_V0_SCRGB || b == HAL_DATASPACE_V0_SCRGB) {
1959 return HAL_DATASPACE_DISPLAY_P3;
1960 }
Chia-I Wu8d2651e2018-01-24 12:18:49 -08001961 if (!hasHdr) {
1962 if (a == HAL_DATASPACE_BT2020_PQ || b == HAL_DATASPACE_BT2020_PQ) {
1963 return HAL_DATASPACE_DISPLAY_P3;
1964 }
1965 if (a == HAL_DATASPACE_BT2020_ITU_PQ || b == HAL_DATASPACE_BT2020_ITU_PQ) {
1966 return HAL_DATASPACE_DISPLAY_P3;
1967 }
Chia-I Wu5c6e4632018-01-11 08:54:38 -08001968 }
Romain Guy88d37dd2017-05-26 17:57:05 -07001969
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001970 return HAL_DATASPACE_V0_SRGB;
1971}
1972
David Sodman5a5f1482017-12-15 11:11:59 -08001973void SurfaceFlinger::configureSidebandComposition(const CompositionInfo& compositionInfo) const
1974{
1975 HWC2::Error error;
1976 LOG_ALWAYS_FATAL_IF(compositionInfo.hwc.sidebandStream == nullptr,
1977 "CompositionType is sideband, but sideband stream is nullptr");
1978 error = (*compositionInfo.hwc.hwcLayer)
1979 ->setSidebandStream(compositionInfo.hwc.sidebandStream->handle());
1980 if (error != HWC2::Error::None) {
1981 ALOGE("[SF] Failed to set sideband stream %p: %s (%d)",
1982 compositionInfo.hwc.sidebandStream->handle(), to_string(error).c_str(),
1983 static_cast<int32_t>(error));
1984 }
1985}
1986
David Sodman14fe0362017-12-14 17:31:04 -08001987void SurfaceFlinger::configureHwcCommonData(const CompositionInfo& compositionInfo) const
David Sodman56912832017-11-28 10:27:38 -08001988{
1989 HWC2::Error error;
1990
1991 if (!compositionInfo.hwc.skipGeometry) {
David Sodman14fe0362017-12-14 17:31:04 -08001992 error = (*compositionInfo.hwc.hwcLayer)->setBlendMode(compositionInfo.hwc.blendMode);
1993 ALOGE_IF(error != HWC2::Error::None,
1994 "[SF] Failed to set blend mode %s:"
1995 " %s (%d)",
1996 to_string(compositionInfo.hwc.blendMode).c_str(), to_string(error).c_str(),
1997 static_cast<int32_t>(error));
David Sodman56912832017-11-28 10:27:38 -08001998
David Sodman14fe0362017-12-14 17:31:04 -08001999 error = (*compositionInfo.hwc.hwcLayer)->setDisplayFrame(compositionInfo.hwc.displayFrame);
2000 ALOGE_IF(error != HWC2::Error::None,
2001 "[SF] Failed to set the display frame [%d, %d, %d, %d] %s (%d)",
2002 compositionInfo.hwc.displayFrame.left,
2003 compositionInfo.hwc.displayFrame.right,
2004 compositionInfo.hwc.displayFrame.top,
2005 compositionInfo.hwc.displayFrame.bottom,
2006 to_string(error).c_str(), static_cast<int32_t>(error));
David Sodman56912832017-11-28 10:27:38 -08002007
David Sodman14fe0362017-12-14 17:31:04 -08002008 error = (*compositionInfo.hwc.hwcLayer)->setSourceCrop(compositionInfo.hwc.sourceCrop);
2009 ALOGE_IF(error != HWC2::Error::None,
2010 "[SF] Failed to set source crop [%.3f, %.3f, %.3f, %.3f]: %s (%d)",
2011 compositionInfo.hwc.sourceCrop.left,
2012 compositionInfo.hwc.sourceCrop.right,
2013 compositionInfo.hwc.sourceCrop.top,
2014 compositionInfo.hwc.sourceCrop.bottom,
2015 to_string(error).c_str(), static_cast<int32_t>(error));
David Sodman56912832017-11-28 10:27:38 -08002016
2017 error = (*compositionInfo.hwc.hwcLayer)->setPlaneAlpha(compositionInfo.hwc.alpha);
2018 ALOGE_IF(error != HWC2::Error::None,
2019 "[SF] Failed to set plane alpha %.3f: "
2020 "%s (%d)",
2021 compositionInfo.hwc.alpha,
2022 to_string(error).c_str(), static_cast<int32_t>(error));
2023
2024
2025 error = (*compositionInfo.hwc.hwcLayer)->setZOrder(compositionInfo.hwc.z);
2026 ALOGE_IF(error != HWC2::Error::None,
2027 "[SF] Failed to set Z %u: %s (%d)",
2028 compositionInfo.hwc.z,
2029 to_string(error).c_str(), static_cast<int32_t>(error));
2030
David Sodman14fe0362017-12-14 17:31:04 -08002031 error = (*compositionInfo.hwc.hwcLayer)
2032 ->setInfo(compositionInfo.hwc.type, compositionInfo.hwc.appId);
David Sodman56912832017-11-28 10:27:38 -08002033 ALOGE_IF(error != HWC2::Error::None,
2034 "[SF] Failed to set info (%d)",
2035 static_cast<int32_t>(error));
2036
David Sodman14fe0362017-12-14 17:31:04 -08002037 error = (*compositionInfo.hwc.hwcLayer)->setTransform(compositionInfo.hwc.transform);
David Sodman56912832017-11-28 10:27:38 -08002038 ALOGE_IF(error != HWC2::Error::None,
David Sodman14fe0362017-12-14 17:31:04 -08002039 "[SF] Failed to set transform %s: "
2040 "%s (%d)",
2041 to_string(compositionInfo.hwc.transform).c_str(), to_string(error).c_str(),
2042 static_cast<int32_t>(error));
David Sodman56912832017-11-28 10:27:38 -08002043 }
2044
2045 error = (*compositionInfo.hwc.hwcLayer)->setCompositionType(compositionInfo.compositionType);
2046 ALOGE_IF(error != HWC2::Error::None,
2047 "[SF] Failed to set composition type: %s (%d)",
David Sodman14fe0362017-12-14 17:31:04 -08002048 to_string(error).c_str(), static_cast<int32_t>(error));
David Sodman56912832017-11-28 10:27:38 -08002049
2050 error = (*compositionInfo.hwc.hwcLayer)->setDataspace(compositionInfo.hwc.dataspace);
2051 ALOGE_IF(error != HWC2::Error::None,
2052 "[SF] Failed to set dataspace: %s (%d)",
2053 to_string(error).c_str(), static_cast<int32_t>(error));
2054
2055 error = (*compositionInfo.hwc.hwcLayer)->setHdrMetadata(compositionInfo.hwc.hdrMetadata);
2056 ALOGE_IF(error != HWC2::Error::None && error != HWC2::Error::Unsupported,
2057 "[SF] Failed to set hdrMetadata: %s (%d)",
2058 to_string(error).c_str(), static_cast<int32_t>(error));
2059
David Sodman14fe0362017-12-14 17:31:04 -08002060 error = (*compositionInfo.hwc.hwcLayer)->setColor(compositionInfo.hwc.color);
2061 ALOGE_IF(error != HWC2::Error::None,
2062 "[SF] Failed to set color: %s (%d)",
2063 to_string(error).c_str(), static_cast<int32_t>(error));
2064
2065 error = (*compositionInfo.hwc.hwcLayer)->setVisibleRegion(compositionInfo.hwc.visibleRegion);
2066 ALOGE_IF(error != HWC2::Error::None,
2067 "[SF] Failed to set visible region: %s (%d)",
2068 to_string(error).c_str(), static_cast<int32_t>(error));
2069}
2070
2071void SurfaceFlinger::configureDeviceComposition(const CompositionInfo& compositionInfo) const
2072{
2073 HWC2::Error error;
2074
2075 error = (*compositionInfo.hwc.hwcLayer)->setSurfaceDamage(compositionInfo.hwc.surfaceDamage);
2076 ALOGE_IF(error != HWC2::Error::None,
2077 "[SF] Failed to set surface damage: %s (%d)",
2078 to_string(error).c_str(), static_cast<int32_t>(error));
2079
David Sodman4bfd3972017-12-15 13:33:47 -08002080 error = (*compositionInfo.hwc.hwcLayer)->setBuffer(compositionInfo.mBufferSlot,
2081 compositionInfo.mBuffer, compositionInfo.hwc.fence);
2082 ALOGE_IF(error != HWC2::Error::None,
2083 "[SF] Failed to set buffer: %s (%d)",
2084 to_string(error).c_str(), static_cast<int32_t>(error));
David Sodman56912832017-11-28 10:27:38 -08002085}
2086
David Sodman4bfd3972017-12-15 13:33:47 -08002087void SurfaceFlinger::beginFrame()
2088{
2089 mRefreshStartTime = systemTime(SYSTEM_TIME_MONOTONIC);
Dan Stoza9e56aa02015-11-02 13:00:03 -08002090
Jesse Hall028dc8f2013-08-20 16:35:32 -07002091 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
Jesse Hallb7a05492014-08-14 15:45:06 -07002092 bool dirty = !mDisplays[dpy]->getDirtyRegion(false).isEmpty();
2093 bool empty = mDisplays[dpy]->getVisibleLayersSortedByZ().size() == 0;
2094 bool wasEmpty = !mDisplays[dpy]->lastCompositionHadVisibleLayers;
2095
2096 // If nothing has changed (!dirty), don't recompose.
2097 // If something changed, but we don't currently have any visible layers,
2098 // and didn't when we last did a composition, then skip it this time.
2099 // The second rule does two things:
2100 // - When all layers are removed from a display, we'll emit one black
2101 // frame, then nothing more until we get new layers.
2102 // - When a display is created with a private layer stack, we won't
2103 // emit any black frames until a layer is added to the layer stack.
2104 bool mustRecompose = dirty && !(empty && wasEmpty);
2105
2106 ALOGV_IF(mDisplays[dpy]->getDisplayType() == DisplayDevice::DISPLAY_VIRTUAL,
2107 "dpy[%zu]: %s composition (%sdirty %sempty %swasEmpty)", dpy,
2108 mustRecompose ? "doing" : "skipping",
2109 dirty ? "+" : "-",
2110 empty ? "+" : "-",
2111 wasEmpty ? "+" : "-");
2112
Dan Stoza71433162014-02-04 16:22:36 -08002113 mDisplays[dpy]->beginFrame(mustRecompose);
Jesse Hallb7a05492014-08-14 15:45:06 -07002114
2115 if (mustRecompose) {
2116 mDisplays[dpy]->lastCompositionHadVisibleLayers = !empty;
2117 }
Jesse Hall028dc8f2013-08-20 16:35:32 -07002118 }
David Sodman4bfd3972017-12-15 13:33:47 -08002119}
Jesse Hall028dc8f2013-08-20 16:35:32 -07002120
David Sodman4bfd3972017-12-15 13:33:47 -08002121void SurfaceFlinger::prepareFrame()
2122{
Dan Stoza9e56aa02015-11-02 13:00:03 -08002123 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
Dan Stoza7bdf55a2016-06-17 11:29:01 -07002124 auto& displayDevice = mDisplays[displayId];
2125 if (!displayDevice->isDisplayOn()) {
2126 continue;
2127 }
2128
David Sodman105b7dc2017-11-04 20:28:14 -07002129 status_t result = displayDevice->prepareFrame(*getBE().mHwc);
Dan Stoza9e56aa02015-11-02 13:00:03 -08002130 ALOGE_IF(result != NO_ERROR, "prepareFrame for display %zd failed:"
2131 " %d (%s)", displayId, result, strerror(-result));
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002132 }
Mathias Agopiancd60f992012-08-16 16:28:27 -07002133}
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002134
David Sodman4bfd3972017-12-15 13:33:47 -08002135void SurfaceFlinger::setUpHWComposer(const CompositionInfo& compositionInfo) {
2136 ATRACE_CALL();
2137 ALOGV("setUpHWComposer");
2138
2139 switch (compositionInfo.compositionType)
2140 {
2141 case HWC2::Composition::Invalid:
2142 case HWC2::Composition::Client:
2143 case HWC2::Composition::Cursor:
2144 break;
2145
2146 case HWC2::Composition::Sideband:
2147 configureSidebandComposition(compositionInfo);
2148 break;
2149
2150 case HWC2::Composition::SolidColor:
2151 configureHwcCommonData(compositionInfo);
2152 break;
2153
2154 case HWC2::Composition::Device:
2155 configureHwcCommonData(compositionInfo);
2156 configureDeviceComposition(compositionInfo);
2157 break;
2158 }
2159}
2160
Mathias Agopiancd60f992012-08-16 16:28:27 -07002161void SurfaceFlinger::doComposition() {
2162 ATRACE_CALL();
Dan Stoza9e56aa02015-11-02 13:00:03 -08002163 ALOGV("doComposition");
2164
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002165 const bool repaintEverything = android_atomic_and(0, &mRepaintEverything);
Mathias Agopian92a979a2012-08-02 18:32:23 -07002166 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
Mathias Agopian42977342012-08-05 00:40:46 -07002167 const sp<DisplayDevice>& hw(mDisplays[dpy]);
Prashant Malani2c9b11f2014-05-25 01:36:31 -07002168 if (hw->isDisplayOn()) {
Mathias Agopiancd60f992012-08-16 16:28:27 -07002169 // transform the dirty region into this screen's coordinate space
2170 const Region dirtyRegion(hw->getDirtyRegion(repaintEverything));
Mathias Agopian02b95102012-11-05 17:50:57 -08002171
2172 // repaint the framebuffer (if needed)
2173 doDisplayComposition(hw, dirtyRegion);
2174
Mathias Agopiancd60f992012-08-16 16:28:27 -07002175 hw->dirtyRegion.clear();
Chia-I Wub02087d2017-11-09 10:19:54 -08002176 hw->flip();
Mathias Agopian87baae12012-07-31 12:38:26 -07002177 }
Mathias Agopian4fec8732012-06-29 14:12:52 -07002178 }
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002179 postFramebuffer();
Mathias Agopian4fec8732012-06-29 14:12:52 -07002180}
2181
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002182void SurfaceFlinger::postFramebuffer()
2183{
Mathias Agopian841cde52012-03-01 15:44:37 -08002184 ATRACE_CALL();
Dan Stoza9e56aa02015-11-02 13:00:03 -08002185 ALOGV("postFramebuffer");
Mathias Agopianb048cef2012-02-04 15:44:04 -08002186
Mathias Agopiana44b0412011-10-16 18:46:35 -07002187 const nsecs_t now = systemTime();
2188 mDebugInSwapBuffers = now;
Jesse Hallc5c5a142012-07-02 16:49:28 -07002189
Dan Stoza9e56aa02015-11-02 13:00:03 -08002190 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
2191 auto& displayDevice = mDisplays[displayId];
Dan Stoza7bdf55a2016-06-17 11:29:01 -07002192 if (!displayDevice->isDisplayOn()) {
2193 continue;
2194 }
Dan Stoza9e56aa02015-11-02 13:00:03 -08002195 const auto hwcId = displayDevice->getHwcDisplayId();
2196 if (hwcId >= 0) {
David Sodman105b7dc2017-11-04 20:28:14 -07002197 getBE().mHwc->presentAndGetReleaseFences(hwcId);
Mathias Agopian2a231842012-09-24 18:12:35 -07002198 }
Dan Stoza2dc3be82016-04-06 14:05:37 -07002199 displayDevice->onSwapBuffersCompleted();
Chia-I Wu7f402902017-11-09 12:51:10 -08002200 displayDevice->makeCurrent();
Dan Stoza9e56aa02015-11-02 13:00:03 -08002201 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
Chia-I Wu7b549592017-11-15 09:14:57 -08002202 // The layer buffer from the previous frame (if any) is released
2203 // by HWC only when the release fence from this frame (if any) is
2204 // signaled. Always get the release fence from HWC first.
2205 auto hwcLayer = layer->getHwcLayer(hwcId);
David Sodman105b7dc2017-11-04 20:28:14 -07002206 sp<Fence> releaseFence = getBE().mHwc->getLayerReleaseFence(hwcId, hwcLayer);
Chia-I Wu7b549592017-11-15 09:14:57 -08002207
2208 // If the layer was client composited in the previous frame, we
2209 // need to merge with the previous client target acquire fence.
2210 // Since we do not track that, always merge with the current
2211 // client target acquire fence when it is available, even though
2212 // this is suboptimal.
Dan Stoza9e56aa02015-11-02 13:00:03 -08002213 if (layer->getCompositionType(hwcId) == HWC2::Composition::Client) {
Chia-I Wu7b549592017-11-15 09:14:57 -08002214 releaseFence = Fence::merge("LayerRelease", releaseFence,
2215 displayDevice->getClientTargetAcquireFence());
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002216 }
Chia-I Wu7b549592017-11-15 09:14:57 -08002217
David Sodmanb8af7922017-12-21 15:17:55 -08002218 layer->getBE().onLayerDisplayed(releaseFence);
Dan Stoza9e56aa02015-11-02 13:00:03 -08002219 }
Chia-I Wu83806892017-11-16 10:50:20 -08002220
2221 // We've got a list of layers needing fences, that are disjoint with
2222 // displayDevice->getVisibleLayersSortedByZ. The best we can do is to
2223 // supply them with the present fence.
2224 if (!displayDevice->getLayersNeedingFences().isEmpty()) {
David Sodman105b7dc2017-11-04 20:28:14 -07002225 sp<Fence> presentFence = getBE().mHwc->getPresentFence(hwcId);
Chia-I Wu83806892017-11-16 10:50:20 -08002226 for (auto& layer : displayDevice->getLayersNeedingFences()) {
David Sodmanb8af7922017-12-21 15:17:55 -08002227 layer->getBE().onLayerDisplayed(presentFence);
Chia-I Wu83806892017-11-16 10:50:20 -08002228 }
2229 }
2230
Dan Stoza9e56aa02015-11-02 13:00:03 -08002231 if (hwcId >= 0) {
David Sodman105b7dc2017-11-04 20:28:14 -07002232 getBE().mHwc->clearReleaseFences(hwcId);
Jesse Hallef194142012-06-14 14:45:17 -07002233 }
Jamie Gennise8696a42012-01-15 18:54:57 -08002234 }
2235
Mathias Agopiana44b0412011-10-16 18:46:35 -07002236 mLastSwapBufferTime = systemTime() - now;
2237 mDebugInSwapBuffers = 0;
Jamie Gennis6547ff42013-07-16 20:12:42 -07002238
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07002239 // |mStateLock| not needed as we are on the main thread
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08002240 if (getBE().mHwc->isConnected(HWC_DISPLAY_PRIMARY)) {
2241 uint32_t flipCount = getDefaultDisplayDeviceLocked()->getPageFlipCount();
2242 if (flipCount % LOG_FRAME_STATS_PERIOD == 0) {
2243 logFrameStats();
2244 }
Jamie Gennis6547ff42013-07-16 20:12:42 -07002245 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002246}
2247
Mathias Agopian87baae12012-07-31 12:38:26 -07002248void SurfaceFlinger::handleTransaction(uint32_t transactionFlags)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002249{
Mathias Agopian841cde52012-03-01 15:44:37 -08002250 ATRACE_CALL();
2251
Mathias Agopian7cc6df52013-06-05 14:30:54 -07002252 // here we keep a copy of the drawing state (that is the state that's
2253 // going to be overwritten by handleTransactionLocked()) outside of
2254 // mStateLock so that the side-effects of the State assignment
2255 // don't happen with mStateLock held (which can cause deadlocks).
2256 State drawingState(mDrawingState);
2257
Mathias Agopianca4d3602011-05-19 15:38:14 -07002258 Mutex::Autolock _l(mStateLock);
2259 const nsecs_t now = systemTime();
2260 mDebugInTransaction = now;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002261
Mathias Agopianca4d3602011-05-19 15:38:14 -07002262 // Here we're guaranteed that some transaction flags are set
2263 // so we can call handleTransactionLocked() unconditionally.
2264 // We call getTransactionFlags(), which will also clear the flags,
2265 // with mStateLock held to guarantee that mCurrentState won't change
2266 // until the transaction is committed.
Mathias Agopian4da75192010-08-10 17:19:56 -07002267
Mathias Agopiane57f2922012-08-09 16:29:12 -07002268 transactionFlags = getTransactionFlags(eTransactionMask);
Mathias Agopian87baae12012-07-31 12:38:26 -07002269 handleTransactionLocked(transactionFlags);
Mathias Agopiandea20b12011-05-03 17:04:02 -07002270
Mathias Agopianca4d3602011-05-19 15:38:14 -07002271 mLastTransactionTime = systemTime() - now;
2272 mDebugInTransaction = 0;
2273 invalidateHwcGeometry();
2274 // here the transaction has been committed
Mathias Agopian3d579642009-06-04 18:46:21 -07002275}
2276
Lloyd Pique715a2c12017-12-14 17:18:08 -08002277DisplayDevice::DisplayType SurfaceFlinger::determineDisplayType(hwc2_display_t display,
2278 HWC2::Connection connection) const {
2279 // Figure out whether the event is for the primary display or an
2280 // external display by matching the Hwc display id against one for a
2281 // connected display. If we did not find a match, we then check what
2282 // displays are not already connected to determine the type. If we don't
2283 // have a connected primary display, we assume the new display is meant to
2284 // be the primary display, and then if we don't have an external display,
2285 // we assume it is that.
2286 const auto primaryDisplayId =
2287 getBE().mHwc->getHwcDisplayId(DisplayDevice::DISPLAY_PRIMARY);
2288 const auto externalDisplayId =
2289 getBE().mHwc->getHwcDisplayId(DisplayDevice::DISPLAY_EXTERNAL);
2290 if (primaryDisplayId && primaryDisplayId == display) {
2291 return DisplayDevice::DISPLAY_PRIMARY;
2292 } else if (externalDisplayId && externalDisplayId == display) {
2293 return DisplayDevice::DISPLAY_EXTERNAL;
2294 } else if (connection == HWC2::Connection::Connected && !primaryDisplayId) {
2295 return DisplayDevice::DISPLAY_PRIMARY;
2296 } else if (connection == HWC2::Connection::Connected && !externalDisplayId) {
2297 return DisplayDevice::DISPLAY_EXTERNAL;
2298 }
2299
2300 return DisplayDevice::DISPLAY_ID_INVALID;
2301}
2302
Lloyd Piqueba04e622017-12-14 17:11:26 -08002303void SurfaceFlinger::processDisplayHotplugEventsLocked() {
2304 for (const auto& event : mPendingHotplugEvents) {
Lloyd Pique715a2c12017-12-14 17:18:08 -08002305 auto displayType = determineDisplayType(event.display, event.connection);
2306 if (displayType == DisplayDevice::DISPLAY_ID_INVALID) {
2307 ALOGW("Unable to determine the display type for display %" PRIu64, event.display);
2308 continue;
2309 }
Lloyd Piqueba04e622017-12-14 17:11:26 -08002310
2311 if (getBE().mHwc->isUsingVrComposer() && displayType == DisplayDevice::DISPLAY_EXTERNAL) {
2312 ALOGE("External displays are not supported by the vr hardware composer.");
2313 continue;
2314 }
2315
Lloyd Pique715a2c12017-12-14 17:18:08 -08002316 getBE().mHwc->onHotplug(event.display, displayType, event.connection);
Lloyd Piqueba04e622017-12-14 17:11:26 -08002317
2318 if (event.connection == HWC2::Connection::Connected) {
Steven Thomaseb6d2052018-03-20 15:40:48 -07002319 if (!mBuiltinDisplays[displayType].get()) {
2320 ALOGV("Creating built in display %d", displayType);
2321 mBuiltinDisplays[displayType] = new BBinder();
2322 // All non-virtual displays are currently considered secure.
2323 DisplayDeviceState info(displayType, true);
2324 info.displayName = displayType == DisplayDevice::DISPLAY_PRIMARY ?
2325 "Built-in Screen" : "External Screen";
2326 mCurrentState.displays.add(mBuiltinDisplays[displayType], info);
2327 mInterceptor->saveDisplayCreation(info);
2328 }
Lloyd Piqueba04e622017-12-14 17:11:26 -08002329 } else {
Lloyd Piquefcd86612017-12-14 17:15:36 -08002330 ALOGV("Removing built in display %d", displayType);
Lloyd Piqueba04e622017-12-14 17:11:26 -08002331
Lloyd Piquefcd86612017-12-14 17:15:36 -08002332 ssize_t idx = mCurrentState.displays.indexOfKey(mBuiltinDisplays[displayType]);
2333 if (idx >= 0) {
2334 const DisplayDeviceState& info(mCurrentState.displays.valueAt(idx));
Lloyd Pique4dccc412018-01-22 17:21:36 -08002335 mInterceptor->saveDisplayDeletion(info.displayId);
Lloyd Piquefcd86612017-12-14 17:15:36 -08002336 mCurrentState.displays.removeItemsAt(idx);
2337 }
2338 mBuiltinDisplays[displayType].clear();
Lloyd Piqueba04e622017-12-14 17:11:26 -08002339 }
2340
2341 processDisplayChangesLocked();
2342 }
2343
2344 mPendingHotplugEvents.clear();
2345}
2346
Lloyd Pique347200f2017-12-14 17:00:15 -08002347void SurfaceFlinger::processDisplayChangesLocked() {
2348 // here we take advantage of Vector's copy-on-write semantics to
2349 // improve performance by skipping the transaction entirely when
2350 // know that the lists are identical
2351 const KeyedVector<wp<IBinder>, DisplayDeviceState>& curr(mCurrentState.displays);
2352 const KeyedVector<wp<IBinder>, DisplayDeviceState>& draw(mDrawingState.displays);
2353 if (!curr.isIdenticalTo(draw)) {
2354 mVisibleRegionsDirty = true;
2355 const size_t cc = curr.size();
2356 size_t dc = draw.size();
2357
2358 // find the displays that were removed
2359 // (ie: in drawing state but not in current state)
2360 // also handle displays that changed
2361 // (ie: displays that are in both lists)
2362 for (size_t i = 0; i < dc;) {
2363 const ssize_t j = curr.indexOfKey(draw.keyAt(i));
2364 if (j < 0) {
2365 // in drawing state but not in current state
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08002366 // Call makeCurrent() on the primary display so we can
2367 // be sure that nothing associated with this display
2368 // is current.
2369 const sp<const DisplayDevice> defaultDisplay(getDefaultDisplayDeviceLocked());
2370 if (defaultDisplay != nullptr) defaultDisplay->makeCurrent();
2371 sp<DisplayDevice> hw(getDisplayDeviceLocked(draw.keyAt(i)));
2372 if (hw != nullptr) hw->disconnect(getHwComposer());
2373 if (draw[i].type < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES)
2374 mEventThread->onHotplugReceived(draw[i].type, false);
2375 mDisplays.removeItem(draw.keyAt(i));
Lloyd Pique347200f2017-12-14 17:00:15 -08002376 } else {
2377 // this display is in both lists. see if something changed.
2378 const DisplayDeviceState& state(curr[j]);
2379 const wp<IBinder>& display(curr.keyAt(j));
2380 const sp<IBinder> state_binder = IInterface::asBinder(state.surface);
2381 const sp<IBinder> draw_binder = IInterface::asBinder(draw[i].surface);
2382 if (state_binder != draw_binder) {
2383 // changing the surface is like destroying and
2384 // recreating the DisplayDevice, so we just remove it
2385 // from the drawing state, so that it get re-added
2386 // below.
2387 sp<DisplayDevice> hw(getDisplayDeviceLocked(display));
2388 if (hw != nullptr) hw->disconnect(getHwComposer());
2389 mDisplays.removeItem(display);
2390 mDrawingState.displays.removeItemsAt(i);
2391 dc--;
2392 // at this point we must loop to the next item
2393 continue;
2394 }
2395
2396 const sp<DisplayDevice> disp(getDisplayDeviceLocked(display));
2397 if (disp != nullptr) {
2398 if (state.layerStack != draw[i].layerStack) {
2399 disp->setLayerStack(state.layerStack);
2400 }
2401 if ((state.orientation != draw[i].orientation) ||
2402 (state.viewport != draw[i].viewport) || (state.frame != draw[i].frame)) {
2403 disp->setProjection(state.orientation, state.viewport, state.frame);
2404 }
2405 if (state.width != draw[i].width || state.height != draw[i].height) {
2406 disp->setDisplaySize(state.width, state.height);
2407 }
2408 }
2409 }
2410 ++i;
2411 }
2412
2413 // find displays that were added
2414 // (ie: in current state but not in drawing state)
2415 for (size_t i = 0; i < cc; i++) {
2416 if (draw.indexOfKey(curr.keyAt(i)) < 0) {
2417 const DisplayDeviceState& state(curr[i]);
2418
2419 sp<DisplaySurface> dispSurface;
2420 sp<IGraphicBufferProducer> producer;
2421 sp<IGraphicBufferProducer> bqProducer;
2422 sp<IGraphicBufferConsumer> bqConsumer;
Lloyd Pique12eb4232018-01-17 11:54:43 -08002423 mCreateBufferQueue(&bqProducer, &bqConsumer, false);
Lloyd Pique347200f2017-12-14 17:00:15 -08002424
2425 int32_t hwcId = -1;
2426 if (state.isVirtualDisplay()) {
2427 // Virtual displays without a surface are dormant:
2428 // they have external state (layer stack, projection,
2429 // etc.) but no internal state (i.e. a DisplayDevice).
2430 if (state.surface != nullptr) {
2431 // Allow VR composer to use virtual displays.
2432 if (mUseHwcVirtualDisplays || getBE().mHwc->isUsingVrComposer()) {
2433 int width = 0;
2434 int status = state.surface->query(NATIVE_WINDOW_WIDTH, &width);
2435 ALOGE_IF(status != NO_ERROR, "Unable to query width (%d)", status);
2436 int height = 0;
2437 status = state.surface->query(NATIVE_WINDOW_HEIGHT, &height);
2438 ALOGE_IF(status != NO_ERROR, "Unable to query height (%d)", status);
2439 int intFormat = 0;
2440 status = state.surface->query(NATIVE_WINDOW_FORMAT, &intFormat);
2441 ALOGE_IF(status != NO_ERROR, "Unable to query format (%d)", status);
2442 auto format = static_cast<android_pixel_format_t>(intFormat);
2443
2444 getBE().mHwc->allocateVirtualDisplay(width, height, &format, &hwcId);
2445 }
2446
2447 // TODO: Plumb requested format back up to consumer
2448
2449 sp<VirtualDisplaySurface> vds =
2450 new VirtualDisplaySurface(*getBE().mHwc, hwcId, state.surface,
2451 bqProducer, bqConsumer,
2452 state.displayName);
2453
2454 dispSurface = vds;
2455 producer = vds;
2456 }
2457 } else {
2458 ALOGE_IF(state.surface != nullptr,
2459 "adding a supported display, but rendering "
2460 "surface is provided (%p), ignoring it",
2461 state.surface.get());
2462
2463 hwcId = state.type;
2464 dispSurface = new FramebufferSurface(*getBE().mHwc, hwcId, bqConsumer);
2465 producer = bqProducer;
2466 }
2467
2468 const wp<IBinder>& display(curr.keyAt(i));
Lloyd Piquefcd86612017-12-14 17:15:36 -08002469
Lloyd Pique347200f2017-12-14 17:00:15 -08002470 if (dispSurface != nullptr) {
Chia-I Wu4b0e4dd2018-02-20 13:04:55 -08002471 bool hasWideColorSupport = false;
2472 if (hasWideColorDisplay) {
Peiyong Lina52f0292018-03-14 17:26:31 -07002473 std::vector<ColorMode> modes =
Lloyd Piquefcd86612017-12-14 17:15:36 -08002474 getHwComposer().getColorModes(state.type);
Peiyong Lina52f0292018-03-14 17:26:31 -07002475 for (ColorMode colorMode : modes) {
Lloyd Piquefcd86612017-12-14 17:15:36 -08002476 switch (colorMode) {
Peiyong Lina52f0292018-03-14 17:26:31 -07002477 case ColorMode::DISPLAY_P3:
2478 case ColorMode::ADOBE_RGB:
2479 case ColorMode::DCI_P3:
Chia-I Wu4b0e4dd2018-02-20 13:04:55 -08002480 hasWideColorSupport = true;
Lloyd Piquefcd86612017-12-14 17:15:36 -08002481 break;
2482 default:
2483 break;
2484 }
2485 }
Lloyd Piquefcd86612017-12-14 17:15:36 -08002486 }
2487
Chia-I Wu5c6e4632018-01-11 08:54:38 -08002488 bool hasHdrSupport = false;
2489 std::unique_ptr<HdrCapabilities> hdrCapabilities =
2490 getHwComposer().getHdrCapabilities(state.type);
2491 if (hdrCapabilities) {
2492 const std::vector<int32_t> types = hdrCapabilities->getSupportedHdrTypes();
2493 auto iter = std::find(types.cbegin(), types.cend(), HAL_HDR_HDR10);
2494 hasHdrSupport = iter != types.cend();
2495 }
2496
Lloyd Pique347200f2017-12-14 17:00:15 -08002497 sp<DisplayDevice> hw =
2498 new DisplayDevice(this, state.type, hwcId, state.isSecure, display,
Chia-I Wu4b0e4dd2018-02-20 13:04:55 -08002499 dispSurface, producer, hasWideColorSupport,
Chia-I Wu5c6e4632018-01-11 08:54:38 -08002500 hasHdrSupport);
Lloyd Piquefcd86612017-12-14 17:15:36 -08002501
Peiyong Lina52f0292018-03-14 17:26:31 -07002502 ColorMode defaultColorMode = ColorMode::NATIVE;
Chia-I Wu4b0e4dd2018-02-20 13:04:55 -08002503 if (hasWideColorSupport) {
Peiyong Lina52f0292018-03-14 17:26:31 -07002504 defaultColorMode = ColorMode::SRGB;
Lloyd Piquefcd86612017-12-14 17:15:36 -08002505 }
Lloyd Piquec5208312018-01-08 17:59:02 -08002506 setActiveColorModeInternal(hw, defaultColorMode);
2507 hw->setCompositionDataSpace(HAL_DATASPACE_UNKNOWN);
Lloyd Pique347200f2017-12-14 17:00:15 -08002508 hw->setLayerStack(state.layerStack);
2509 hw->setProjection(state.orientation, state.viewport, state.frame);
2510 hw->setDisplayName(state.displayName);
Lloyd Piquec5208312018-01-08 17:59:02 -08002511
Lloyd Pique347200f2017-12-14 17:00:15 -08002512 mDisplays.add(display, hw);
2513 if (!state.isVirtualDisplay()) {
2514 mEventThread->onHotplugReceived(state.type, true);
2515 }
2516 }
2517 }
2518 }
2519 }
Lloyd Piqueba04e622017-12-14 17:11:26 -08002520
2521 mDrawingState.displays = mCurrentState.displays;
Lloyd Pique347200f2017-12-14 17:00:15 -08002522}
2523
Mathias Agopian87baae12012-07-31 12:38:26 -07002524void SurfaceFlinger::handleTransactionLocked(uint32_t transactionFlags)
Mathias Agopian3d579642009-06-04 18:46:21 -07002525{
Dan Stoza7dde5992015-05-22 09:51:44 -07002526 // Notify all layers of available frames
Robert Carr2047fae2016-11-28 14:09:09 -08002527 mCurrentState.traverseInZOrder([](Layer* layer) {
2528 layer->notifyAvailableFrames();
2529 });
Dan Stoza7dde5992015-05-22 09:51:44 -07002530
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002531 /*
2532 * Traversal of the children
2533 * (perform the transaction for each of them if needed)
2534 */
2535
Mathias Agopian3559b072012-08-15 13:46:03 -07002536 if (transactionFlags & eTraversalNeeded) {
Robert Carr2047fae2016-11-28 14:09:09 -08002537 mCurrentState.traverseInZOrder([&](Layer* layer) {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002538 uint32_t trFlags = layer->getTransactionFlags(eTransactionNeeded);
Robert Carr2047fae2016-11-28 14:09:09 -08002539 if (!trFlags) return;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002540
2541 const uint32_t flags = layer->doTransaction(0);
2542 if (flags & Layer::eVisibleRegion)
2543 mVisibleRegionsDirty = true;
Robert Carr2047fae2016-11-28 14:09:09 -08002544 });
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002545 }
2546
2547 /*
Mathias Agopian3559b072012-08-15 13:46:03 -07002548 * Perform display own transactions if needed
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002549 */
2550
Mathias Agopiane57f2922012-08-09 16:29:12 -07002551 if (transactionFlags & eDisplayTransactionNeeded) {
Lloyd Pique347200f2017-12-14 17:00:15 -08002552 processDisplayChangesLocked();
Lloyd Piqueba04e622017-12-14 17:11:26 -08002553 processDisplayHotplugEventsLocked();
Mathias Agopian3559b072012-08-15 13:46:03 -07002554 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002555
Mathias Agopian84300952012-11-21 16:02:13 -08002556 if (transactionFlags & (eTraversalNeeded|eDisplayTransactionNeeded)) {
2557 // The transform hint might have changed for some layers
2558 // (either because a display has changed, or because a layer
2559 // as changed).
2560 //
2561 // Walk through all the layers in currentLayers,
2562 // and update their transform hint.
2563 //
2564 // If a layer is visible only on a single display, then that
2565 // display is used to calculate the hint, otherwise we use the
2566 // default display.
2567 //
2568 // NOTE: we do this here, rather than in rebuildLayerStacks() so that
2569 // the hint is set before we acquire a buffer from the surface texture.
2570 //
2571 // NOTE: layer transactions have taken place already, so we use their
2572 // drawing state. However, SurfaceFlinger's own transaction has not
2573 // happened yet, so we must use the current state layer list
2574 // (soon to become the drawing state list).
2575 //
2576 sp<const DisplayDevice> disp;
2577 uint32_t currentlayerStack = 0;
Robert Carr2047fae2016-11-28 14:09:09 -08002578 bool first = true;
2579 mCurrentState.traverseInZOrder([&](Layer* layer) {
Mathias Agopian84300952012-11-21 16:02:13 -08002580 // NOTE: we rely on the fact that layers are sorted by
2581 // layerStack first (so we don't have to traverse the list
2582 // of displays for every layer).
Robert Carr1f0a16a2016-10-24 16:27:39 -07002583 uint32_t layerStack = layer->getLayerStack();
Robert Carr2047fae2016-11-28 14:09:09 -08002584 if (first || currentlayerStack != layerStack) {
Mathias Agopian84300952012-11-21 16:02:13 -08002585 currentlayerStack = layerStack;
2586 // figure out if this layerstack is mirrored
2587 // (more than one display) if so, pick the default display,
2588 // if not, pick the only display it's on.
2589 disp.clear();
2590 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
2591 sp<const DisplayDevice> hw(mDisplays[dpy]);
Chia-I Wuab0c3192017-08-01 11:29:00 -07002592 if (layer->belongsToDisplay(hw->getLayerStack(), hw->isPrimary())) {
Peiyong Lin566a3b42018-01-09 18:22:43 -08002593 if (disp == nullptr) {
George Burgess IV406a2852017-08-29 17:57:25 -07002594 disp = std::move(hw);
Mathias Agopian84300952012-11-21 16:02:13 -08002595 } else {
Peiyong Lin566a3b42018-01-09 18:22:43 -08002596 disp = nullptr;
Mathias Agopian84300952012-11-21 16:02:13 -08002597 break;
2598 }
2599 }
2600 }
2601 }
Chet Haase91d25932013-04-11 15:24:55 -07002602
Robert Carr56a0b9a2017-12-04 16:06:13 -08002603 if (transactionFlags & eDisplayTransactionNeeded) {
Peiyong Lin566a3b42018-01-09 18:22:43 -08002604 if (disp == nullptr) {
Robert Carr56a0b9a2017-12-04 16:06:13 -08002605 // NOTE: TEMPORARY FIX ONLY. Real fix should cause layers to
2606 // redraw after transform hint changes. See bug 8508397.
2607
2608 // could be null when this layer is using a layerStack
2609 // that is not visible on any display. Also can occur at
2610 // screen off/on times.
2611 disp = getDefaultDisplayDeviceLocked();
2612 }
2613 layer->updateTransformHint(disp);
Mathias Agopian84300952012-11-21 16:02:13 -08002614 }
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08002615 if (disp != nullptr) {
2616 layer->updateTransformHint(disp);
2617 }
Robert Carr2047fae2016-11-28 14:09:09 -08002618
2619 first = false;
2620 });
Mathias Agopian84300952012-11-21 16:02:13 -08002621 }
2622
2623
Mathias Agopian3559b072012-08-15 13:46:03 -07002624 /*
2625 * Perform our own transaction if needed
2626 */
Robert Carr1f0a16a2016-10-24 16:27:39 -07002627
2628 if (mLayersAdded) {
2629 mLayersAdded = false;
2630 // Layers have been added.
Mathias Agopian3559b072012-08-15 13:46:03 -07002631 mVisibleRegionsDirty = true;
2632 }
2633
2634 // some layers might have been removed, so
2635 // we need to update the regions they're exposing.
2636 if (mLayersRemoved) {
2637 mLayersRemoved = false;
2638 mVisibleRegionsDirty = true;
Robert Carr2047fae2016-11-28 14:09:09 -08002639 mDrawingState.traverseInZOrder([&](Layer* layer) {
Robert Carr1f0a16a2016-10-24 16:27:39 -07002640 if (mLayersPendingRemoval.indexOf(layer) >= 0) {
Mathias Agopian3559b072012-08-15 13:46:03 -07002641 // this layer is not visible anymore
2642 // TODO: we could traverse the tree from front to back and
2643 // compute the actual visible region
2644 // TODO: we could cache the transformed region
Robert Carr1f0a16a2016-10-24 16:27:39 -07002645 Region visibleReg;
2646 visibleReg.set(layer->computeScreenBounds());
Chia-I Wuab0c3192017-08-01 11:29:00 -07002647 invalidateLayerStack(layer, visibleReg);
Mathias Agopian0aa758d2009-04-22 15:23:34 -07002648 }
Robert Carr2047fae2016-11-28 14:09:09 -08002649 });
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002650 }
2651
2652 commitTransaction();
Riley Andrews03414a12014-07-01 14:22:59 -07002653
2654 updateCursorAsync();
2655}
2656
2657void SurfaceFlinger::updateCursorAsync()
2658{
Dan Stoza9e56aa02015-11-02 13:00:03 -08002659 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
2660 auto& displayDevice = mDisplays[displayId];
2661 if (displayDevice->getHwcDisplayId() < 0) {
Riley Andrews03414a12014-07-01 14:22:59 -07002662 continue;
2663 }
Dan Stoza9e56aa02015-11-02 13:00:03 -08002664
2665 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
2666 layer->updateCursorPosition(displayDevice);
Riley Andrews03414a12014-07-01 14:22:59 -07002667 }
2668 }
Mathias Agopian4fec8732012-06-29 14:12:52 -07002669}
2670
2671void SurfaceFlinger::commitTransaction()
2672{
Steve Pfetsch598f6d52016-10-25 21:47:58 +00002673 if (!mLayersPendingRemoval.isEmpty()) {
Mathias Agopian4fec8732012-06-29 14:12:52 -07002674 // Notify removed layers now that they can't be drawn from
Robert Carr1f0a16a2016-10-24 16:27:39 -07002675 for (const auto& l : mLayersPendingRemoval) {
2676 recordBufferingStats(l->getName().string(),
2677 l->getOccupancyHistory(true));
2678 l->onRemoved();
Mathias Agopian4fec8732012-06-29 14:12:52 -07002679 }
2680 mLayersPendingRemoval.clear();
2681 }
2682
Jamie Gennis4b0eba92013-02-05 13:30:24 -08002683 // If this transaction is part of a window animation then the next frame
2684 // we composite should be considered an animation as well.
2685 mAnimCompositionPending = mAnimTransactionPending;
2686
Mathias Agopian4fec8732012-06-29 14:12:52 -07002687 mDrawingState = mCurrentState;
Robert Carr1f0a16a2016-10-24 16:27:39 -07002688 mDrawingState.traverseInZOrder([](Layer* layer) {
2689 layer->commitChildList();
2690 });
Jamie Gennis2d5e2302012-10-15 18:24:43 -07002691 mTransactionPending = false;
2692 mAnimTransactionPending = false;
Mathias Agopian4fec8732012-06-29 14:12:52 -07002693 mTransactionCV.broadcast();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002694}
2695
Chia-I Wuab0c3192017-08-01 11:29:00 -07002696void SurfaceFlinger::computeVisibleRegions(const sp<const DisplayDevice>& displayDevice,
Mathias Agopian87baae12012-07-31 12:38:26 -07002697 Region& outDirtyRegion, Region& outOpaqueRegion)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002698{
Mathias Agopian841cde52012-03-01 15:44:37 -08002699 ATRACE_CALL();
Dan Stoza9e56aa02015-11-02 13:00:03 -08002700 ALOGV("computeVisibleRegions");
Mathias Agopian841cde52012-03-01 15:44:37 -08002701
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002702 Region aboveOpaqueLayers;
2703 Region aboveCoveredLayers;
2704 Region dirty;
2705
Mathias Agopian87baae12012-07-31 12:38:26 -07002706 outDirtyRegion.clear();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002707
Robert Carr2047fae2016-11-28 14:09:09 -08002708 mDrawingState.traverseInReverseZOrder([&](Layer* layer) {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002709 // start with the whole surface at its current location
Mathias Agopian1eae0ee2013-06-05 16:59:15 -07002710 const Layer::State& s(layer->getDrawingState());
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002711
Jesse Hall01e29052013-02-19 16:13:35 -08002712 // only consider the layers on the given layer stack
Chia-I Wuab0c3192017-08-01 11:29:00 -07002713 if (!layer->belongsToDisplay(displayDevice->getLayerStack(), displayDevice->isPrimary()))
Robert Carr2047fae2016-11-28 14:09:09 -08002714 return;
Mathias Agopian87baae12012-07-31 12:38:26 -07002715
Mathias Agopianab028732010-03-16 16:41:46 -07002716 /*
2717 * opaqueRegion: area of a surface that is fully opaque.
2718 */
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002719 Region opaqueRegion;
Mathias Agopianab028732010-03-16 16:41:46 -07002720
2721 /*
2722 * visibleRegion: area of a surface that is visible on screen
2723 * and not fully transparent. This is essentially the layer's
2724 * footprint minus the opaque regions above it.
2725 * Areas covered by a translucent surface are considered visible.
2726 */
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002727 Region visibleRegion;
Mathias Agopianab028732010-03-16 16:41:46 -07002728
2729 /*
2730 * coveredRegion: area of a surface that is covered by all
2731 * visible regions above it (which includes the translucent areas).
2732 */
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002733 Region coveredRegion;
Mathias Agopianab028732010-03-16 16:41:46 -07002734
Jesse Halla8026d22012-09-25 13:25:04 -07002735 /*
2736 * transparentRegion: area of a surface that is hinted to be completely
2737 * transparent. This is only used to tell when the layer has no visible
2738 * non-transparent regions and can be removed from the layer list. It
2739 * does not affect the visibleRegion of this layer or any layers
2740 * beneath it. The hint may not be correct if apps don't respect the
2741 * SurfaceView restrictions (which, sadly, some don't).
2742 */
2743 Region transparentRegion;
2744
Mathias Agopianab028732010-03-16 16:41:46 -07002745
2746 // handle hidden surfaces by setting the visible region to empty
Mathias Agopianda27af92012-09-13 18:17:13 -07002747 if (CC_LIKELY(layer->isVisible())) {
Andy McFadden4125a4f2014-01-29 17:17:11 -08002748 const bool translucent = !layer->isOpaque(s);
Robert Carr1f0a16a2016-10-24 16:27:39 -07002749 Rect bounds(layer->computeScreenBounds());
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002750 visibleRegion.set(bounds);
Robert Carr1f0a16a2016-10-24 16:27:39 -07002751 Transform tr = layer->getTransform();
Mathias Agopianab028732010-03-16 16:41:46 -07002752 if (!visibleRegion.isEmpty()) {
2753 // Remove the transparent area from the visible region
2754 if (translucent) {
Dan Stoza22f7fc42016-05-10 16:19:53 -07002755 if (tr.preserveRects()) {
2756 // transform the transparent region
2757 transparentRegion = tr.transform(s.activeTransparentRegion);
Mathias Agopian4fec8732012-06-29 14:12:52 -07002758 } else {
Dan Stoza22f7fc42016-05-10 16:19:53 -07002759 // transformation too complex, can't do the
2760 // transparent region optimization.
2761 transparentRegion.clear();
Mathias Agopian4fec8732012-06-29 14:12:52 -07002762 }
Mathias Agopianab028732010-03-16 16:41:46 -07002763 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002764
Mathias Agopianab028732010-03-16 16:41:46 -07002765 // compute the opaque region
Robert Carr1f0a16a2016-10-24 16:27:39 -07002766 const int32_t layerOrientation = tr.getOrientation();
Jorim Jaggi039bbb82017-09-06 18:12:05 +02002767 if (layer->getAlpha() == 1.0f && !translucent &&
Mathias Agopianab028732010-03-16 16:41:46 -07002768 ((layerOrientation & Transform::ROT_INVALID) == false)) {
2769 // the opaque region is the layer's footprint
2770 opaqueRegion = visibleRegion;
2771 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002772 }
2773 }
2774
Robert Carre5f4f692018-01-12 13:12:28 -08002775 if (visibleRegion.isEmpty()) {
2776 layer->clearVisibilityRegions();
2777 return;
2778 }
2779
Mathias Agopianab028732010-03-16 16:41:46 -07002780 // Clip the covered region to the visible region
2781 coveredRegion = aboveCoveredLayers.intersect(visibleRegion);
2782
2783 // Update aboveCoveredLayers for next (lower) layer
2784 aboveCoveredLayers.orSelf(visibleRegion);
2785
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002786 // subtract the opaque region covered by the layers above us
2787 visibleRegion.subtractSelf(aboveOpaqueLayers);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002788
2789 // compute this layer's dirty region
2790 if (layer->contentDirty) {
2791 // we need to invalidate the whole region
2792 dirty = visibleRegion;
2793 // as well, as the old visible region
Mathias Agopian4fec8732012-06-29 14:12:52 -07002794 dirty.orSelf(layer->visibleRegion);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002795 layer->contentDirty = false;
2796 } else {
Mathias Agopiana8d44f72009-06-28 02:54:16 -07002797 /* compute the exposed region:
Mathias Agopianab028732010-03-16 16:41:46 -07002798 * the exposed region consists of two components:
2799 * 1) what's VISIBLE now and was COVERED before
2800 * 2) what's EXPOSED now less what was EXPOSED before
2801 *
2802 * note that (1) is conservative, we start with the whole
2803 * visible region but only keep what used to be covered by
2804 * something -- which mean it may have been exposed.
2805 *
2806 * (2) handles areas that were not covered by anything but got
2807 * exposed because of a resize.
Mathias Agopiana8d44f72009-06-28 02:54:16 -07002808 */
Mathias Agopianab028732010-03-16 16:41:46 -07002809 const Region newExposed = visibleRegion - coveredRegion;
Mathias Agopian4fec8732012-06-29 14:12:52 -07002810 const Region oldVisibleRegion = layer->visibleRegion;
2811 const Region oldCoveredRegion = layer->coveredRegion;
Mathias Agopianab028732010-03-16 16:41:46 -07002812 const Region oldExposed = oldVisibleRegion - oldCoveredRegion;
2813 dirty = (visibleRegion&oldCoveredRegion) | (newExposed-oldExposed);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002814 }
2815 dirty.subtractSelf(aboveOpaqueLayers);
2816
2817 // accumulate to the screen dirty region
Mathias Agopian87baae12012-07-31 12:38:26 -07002818 outDirtyRegion.orSelf(dirty);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002819
Mathias Agopianab028732010-03-16 16:41:46 -07002820 // Update aboveOpaqueLayers for next (lower) layer
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002821 aboveOpaqueLayers.orSelf(opaqueRegion);
Andreas Huber8b42e8a2010-08-16 08:49:37 -07002822
Jesse Halla8026d22012-09-25 13:25:04 -07002823 // Store the visible region in screen space
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002824 layer->setVisibleRegion(visibleRegion);
2825 layer->setCoveredRegion(coveredRegion);
Jesse Halla8026d22012-09-25 13:25:04 -07002826 layer->setVisibleNonTransparentRegion(
2827 visibleRegion.subtract(transparentRegion));
Robert Carr2047fae2016-11-28 14:09:09 -08002828 });
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002829
Mathias Agopian87baae12012-07-31 12:38:26 -07002830 outOpaqueRegion = aboveOpaqueLayers;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002831}
2832
Chia-I Wuab0c3192017-08-01 11:29:00 -07002833void SurfaceFlinger::invalidateLayerStack(const sp<const Layer>& layer, const Region& dirty) {
Mathias Agopian92a979a2012-08-02 18:32:23 -07002834 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
Mathias Agopian42977342012-08-05 00:40:46 -07002835 const sp<DisplayDevice>& hw(mDisplays[dpy]);
Chia-I Wuab0c3192017-08-01 11:29:00 -07002836 if (layer->belongsToDisplay(hw->getLayerStack(), hw->isPrimary())) {
Mathias Agopian42977342012-08-05 00:40:46 -07002837 hw->dirtyRegion.orSelf(dirty);
Mathias Agopian92a979a2012-08-02 18:32:23 -07002838 }
2839 }
Mathias Agopian87baae12012-07-31 12:38:26 -07002840}
2841
Dan Stoza6b9454d2014-11-07 16:00:59 -08002842bool SurfaceFlinger::handlePageFlip()
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002843{
Dan Stoza9e56aa02015-11-02 13:00:03 -08002844 ALOGV("handlePageFlip");
2845
Brian Andersond6927fb2016-07-23 23:37:30 -07002846 nsecs_t latchTime = systemTime();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002847
Mathias Agopian4fec8732012-06-29 14:12:52 -07002848 bool visibleRegions = false;
Dan Stoza6b9454d2014-11-07 16:00:59 -08002849 bool frameQueued = false;
Mike Stroyan0cd76192017-04-20 12:10:48 -06002850 bool newDataLatched = false;
Eric Penner51c59cd2014-07-28 19:51:58 -07002851
2852 // Store the set of layers that need updates. This set must not change as
2853 // buffers are being latched, as this could result in a deadlock.
2854 // Example: Two producers share the same command stream and:
2855 // 1.) Layer 0 is latched
2856 // 2.) Layer 0 gets a new frame
2857 // 2.) Layer 1 gets a new frame
2858 // 3.) Layer 1 is latched.
2859 // Display is now waiting on Layer 1's frame, which is behind layer 0's
2860 // second frame. But layer 0's second frame could be waiting on display.
Robert Carr2047fae2016-11-28 14:09:09 -08002861 mDrawingState.traverseInZOrder([&](Layer* layer) {
Dan Stoza6b9454d2014-11-07 16:00:59 -08002862 if (layer->hasQueuedFrame()) {
2863 frameQueued = true;
2864 if (layer->shouldPresentNow(mPrimaryDispSync)) {
Robert Carr2047fae2016-11-28 14:09:09 -08002865 mLayersWithQueuedFrames.push_back(layer);
Dan Stozaee44edd2015-03-23 15:50:23 -07002866 } else {
2867 layer->useEmptyDamage();
Dan Stoza6b9454d2014-11-07 16:00:59 -08002868 }
Dan Stozaee44edd2015-03-23 15:50:23 -07002869 } else {
2870 layer->useEmptyDamage();
Dan Stoza6b9454d2014-11-07 16:00:59 -08002871 }
Robert Carr2047fae2016-11-28 14:09:09 -08002872 });
2873
Dan Stoza9e56aa02015-11-02 13:00:03 -08002874 for (auto& layer : mLayersWithQueuedFrames) {
Brian Andersond6927fb2016-07-23 23:37:30 -07002875 const Region dirty(layer->latchBuffer(visibleRegions, latchTime));
Dan Stozaee44edd2015-03-23 15:50:23 -07002876 layer->useSurfaceDamage();
Chia-I Wuab0c3192017-08-01 11:29:00 -07002877 invalidateLayerStack(layer, dirty);
Chia-I Wua36bf922017-06-30 12:51:05 -07002878 if (layer->isBufferLatched()) {
Mike Stroyan0cd76192017-04-20 12:10:48 -06002879 newDataLatched = true;
2880 }
Mathias Agopian4fec8732012-06-29 14:12:52 -07002881 }
Mathias Agopian4da75192010-08-10 17:19:56 -07002882
Mathias Agopian3b1d2b62012-07-11 13:48:17 -07002883 mVisibleRegionsDirty |= visibleRegions;
Dan Stoza6b9454d2014-11-07 16:00:59 -08002884
2885 // If we will need to wake up at some time in the future to deal with a
2886 // queued frame that shouldn't be displayed during this vsync period, wake
2887 // up during the next vsync period to check again.
Chia-I Wua36bf922017-06-30 12:51:05 -07002888 if (frameQueued && (mLayersWithQueuedFrames.empty() || !newDataLatched)) {
Dan Stoza6b9454d2014-11-07 16:00:59 -08002889 signalLayerUpdate();
2890 }
2891
2892 // Only continue with the refresh if there is actually new work to do
Mike Stroyan0cd76192017-04-20 12:10:48 -06002893 return !mLayersWithQueuedFrames.empty() && newDataLatched;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002894}
2895
Mathias Agopianad456f92011-01-13 17:53:01 -08002896void SurfaceFlinger::invalidateHwcGeometry()
2897{
Dan Stoza9e56aa02015-11-02 13:00:03 -08002898 mGeometryInvalid = true;
Mathias Agopianad456f92011-01-13 17:53:01 -08002899}
2900
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08002901
Fabien Sanglard830b8472016-11-30 16:35:58 -08002902void SurfaceFlinger::doDisplayComposition(
2903 const sp<const DisplayDevice>& displayDevice,
Mathias Agopian87baae12012-07-31 12:38:26 -07002904 const Region& inDirtyRegion)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002905{
Dan Stoza71433162014-02-04 16:22:36 -08002906 // We only need to actually compose the display if:
2907 // 1) It is being handled by hardware composer, which may need this to
2908 // keep its virtual display state machine in sync, or
2909 // 2) There is work to be done (the dirty region isn't empty)
Fabien Sanglard830b8472016-11-30 16:35:58 -08002910 bool isHwcDisplay = displayDevice->getHwcDisplayId() >= 0;
Dan Stoza71433162014-02-04 16:22:36 -08002911 if (!isHwcDisplay && inDirtyRegion.isEmpty()) {
Dan Stoza9e56aa02015-11-02 13:00:03 -08002912 ALOGV("Skipping display composition");
Dan Stoza71433162014-02-04 16:22:36 -08002913 return;
2914 }
2915
Dan Stoza9e56aa02015-11-02 13:00:03 -08002916 ALOGV("doDisplayComposition");
Chia-I Wub02087d2017-11-09 10:19:54 -08002917 if (!doComposeSurfaces(displayDevice)) return;
Mathias Agopianda27af92012-09-13 18:17:13 -07002918
2919 // swap buffers (presentation)
Fabien Sanglard830b8472016-11-30 16:35:58 -08002920 displayDevice->swapBuffers(getHwComposer());
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002921}
2922
Chia-I Wub02087d2017-11-09 10:19:54 -08002923bool SurfaceFlinger::doComposeSurfaces(const sp<const DisplayDevice>& displayDevice)
Mathias Agopianf384cc32011-09-08 18:31:55 -07002924{
Dan Stoza9e56aa02015-11-02 13:00:03 -08002925 ALOGV("doComposeSurfaces");
Mathias Agopiancd20eb02011-09-22 20:57:04 -07002926
Chia-I Wub02087d2017-11-09 10:19:54 -08002927 const Region bounds(displayDevice->bounds());
chaviwa76b2712017-09-20 12:02:26 -07002928 const DisplayRenderArea renderArea(displayDevice);
Dan Stoza9e56aa02015-11-02 13:00:03 -08002929 const auto hwcId = displayDevice->getHwcDisplayId();
Dan Stoza9f26a9c2016-06-22 14:51:09 -07002930
2931 mat4 oldColorMatrix;
David Sodman105b7dc2017-11-04 20:28:14 -07002932 const bool applyColorMatrix = !getBE().mHwc->hasDeviceComposition(hwcId) &&
2933 !getBE().mHwc->hasCapability(HWC2::Capability::SkipClientColorTransform);
Dan Stoza9f26a9c2016-06-22 14:51:09 -07002934 if (applyColorMatrix) {
2935 mat4 colorMatrix = mColorMatrix * mDaltonizer();
2936 oldColorMatrix = getRenderEngine().setupColorTransform(colorMatrix);
2937 }
2938
David Sodman105b7dc2017-11-04 20:28:14 -07002939 bool hasClientComposition = getBE().mHwc->hasClientComposition(hwcId);
David Sodman4b7c4bc2017-11-17 12:13:59 -08002940 ATRACE_INT("hasClientComposition", hasClientComposition);
Dan Stoza9e56aa02015-11-02 13:00:03 -08002941 if (hasClientComposition) {
2942 ALOGV("hasClientComposition");
2943
Chia-I Wu69bf10f2018-02-20 13:04:50 -08002944 android_dataspace outputDataspace = HAL_DATASPACE_UNKNOWN;
Chia-I Wu9a48a8c2018-02-20 14:27:30 -08002945 if (displayDevice->getWideColorSupport() &&
Peiyong Lina52f0292018-03-14 17:26:31 -07002946 displayDevice->getActiveColorMode() == ColorMode::DISPLAY_P3) {
Chia-I Wu69bf10f2018-02-20 13:04:50 -08002947 outputDataspace = HAL_DATASPACE_DISPLAY_P3;
2948 }
2949 getBE().mRenderEngine->setOutputDataSpace(outputDataspace);
2950
Chia-I Wu7f402902017-11-09 12:51:10 -08002951 if (!displayDevice->makeCurrent()) {
Michael Chockc8c71092013-03-04 15:15:46 -08002952 ALOGW("DisplayDevice::makeCurrent failed. Aborting surface composition for display %s",
Dan Stoza9e56aa02015-11-02 13:00:03 -08002953 displayDevice->getDisplayName().string());
Chia-I Wu7f402902017-11-09 12:51:10 -08002954 getRenderEngine().resetCurrentSurface();
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07002955
2956 // |mStateLock| not needed as we are on the main thread
Chia-I Wu7f402902017-11-09 12:51:10 -08002957 if(!getDefaultDisplayDeviceLocked()->makeCurrent()) {
Michael Lentine3f121fc2014-10-01 11:17:28 -07002958 ALOGE("DisplayDevice::makeCurrent on default display failed. Aborting.");
2959 }
2960 return false;
Michael Chockc8c71092013-03-04 15:15:46 -08002961 }
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002962
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002963 // Never touch the framebuffer if we don't have any framebuffer layers
David Sodman105b7dc2017-11-04 20:28:14 -07002964 const bool hasDeviceComposition = getBE().mHwc->hasDeviceComposition(hwcId);
Dan Stoza9e56aa02015-11-02 13:00:03 -08002965 if (hasDeviceComposition) {
Mathias Agopianb9494d52012-04-18 02:28:45 -07002966 // when using overlays, we assume a fully transparent framebuffer
2967 // NOTE: we could reduce how much we need to clear, for instance
2968 // remove where there are opaque FB layers. however, on some
Mathias Agopian3f844832013-08-07 21:24:32 -07002969 // GPUs doing a "clean slate" clear might be more efficient.
Mathias Agopianb9494d52012-04-18 02:28:45 -07002970 // We'll revisit later if needed.
David Sodmanbc815282017-11-05 18:57:52 -08002971 getBE().mRenderEngine->clearWithColor(0, 0, 0, 0);
Mathias Agopianb9494d52012-04-18 02:28:45 -07002972 } else {
Chia-I Wub02087d2017-11-09 10:19:54 -08002973 // we start with the whole screen area and remove the scissor part
Mathias Agopian766dc492012-10-30 18:08:06 -07002974 // we're left with the letterbox region
2975 // (common case is that letterbox ends-up being empty)
Dan Stoza9e56aa02015-11-02 13:00:03 -08002976 const Region letterbox(bounds.subtract(displayDevice->getScissor()));
Mathias Agopian766dc492012-10-30 18:08:06 -07002977
2978 // compute the area to clear
Dan Stoza9e56aa02015-11-02 13:00:03 -08002979 Region region(displayDevice->undefinedRegion.merge(letterbox));
Mathias Agopian766dc492012-10-30 18:08:06 -07002980
Mathias Agopianb9494d52012-04-18 02:28:45 -07002981 // screen is already cleared here
Mathias Agopian87baae12012-07-31 12:38:26 -07002982 if (!region.isEmpty()) {
Mathias Agopianb9494d52012-04-18 02:28:45 -07002983 // can happen with SurfaceView
Dan Stoza9e56aa02015-11-02 13:00:03 -08002984 drawWormhole(displayDevice, region);
Mathias Agopianb9494d52012-04-18 02:28:45 -07002985 }
Mathias Agopiana2f4e562012-04-15 23:34:59 -07002986 }
Mathias Agopianf45c5102012-10-24 16:29:17 -07002987
Dan Stoza9e56aa02015-11-02 13:00:03 -08002988 if (displayDevice->getDisplayType() != DisplayDevice::DISPLAY_PRIMARY) {
Mathias Agopian766dc492012-10-30 18:08:06 -07002989 // just to be on the safe side, we don't set the
Mathias Agopianf45c5102012-10-24 16:29:17 -07002990 // scissor on the main display. It should never be needed
2991 // anyways (though in theory it could since the API allows it).
Dan Stoza9e56aa02015-11-02 13:00:03 -08002992 const Rect& bounds(displayDevice->getBounds());
2993 const Rect& scissor(displayDevice->getScissor());
Mathias Agopianf45c5102012-10-24 16:29:17 -07002994 if (scissor != bounds) {
2995 // scissor doesn't match the screen's dimensions, so we
2996 // need to clear everything outside of it and enable
2997 // the GL scissor so we don't draw anything where we shouldn't
Mathias Agopian3f844832013-08-07 21:24:32 -07002998
Mathias Agopianf45c5102012-10-24 16:29:17 -07002999 // enable scissor for this frame
Dan Stoza9e56aa02015-11-02 13:00:03 -08003000 const uint32_t height = displayDevice->getHeight();
David Sodmanbc815282017-11-05 18:57:52 -08003001 getBE().mRenderEngine->setScissor(scissor.left, height - scissor.bottom,
Mathias Agopian3f844832013-08-07 21:24:32 -07003002 scissor.getWidth(), scissor.getHeight());
Mathias Agopianf45c5102012-10-24 16:29:17 -07003003 }
3004 }
Mathias Agopian85d751c2012-08-29 16:59:24 -07003005 }
Mathias Agopian4b2ba532012-03-29 12:23:51 -07003006
Mathias Agopian85d751c2012-08-29 16:59:24 -07003007 /*
3008 * and then, render the layers targeted at the framebuffer
3009 */
Mathias Agopian4b2ba532012-03-29 12:23:51 -07003010
Dan Stoza9e56aa02015-11-02 13:00:03 -08003011 ALOGV("Rendering client layers");
3012 const Transform& displayTransform = displayDevice->getTransform();
3013 if (hwcId >= 0) {
Mathias Agopian85d751c2012-08-29 16:59:24 -07003014 // we're using h/w composer
Dan Stoza9e56aa02015-11-02 13:00:03 -08003015 bool firstLayer = true;
3016 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
Chia-I Wub02087d2017-11-09 10:19:54 -08003017 const Region clip(bounds.intersect(
Dan Stoza9e56aa02015-11-02 13:00:03 -08003018 displayTransform.transform(layer->visibleRegion)));
3019 ALOGV("Layer: %s", layer->getName().string());
3020 ALOGV(" Composition type: %s",
3021 to_string(layer->getCompositionType(hwcId)).c_str());
Mathias Agopian85d751c2012-08-29 16:59:24 -07003022 if (!clip.isEmpty()) {
Dan Stoza9e56aa02015-11-02 13:00:03 -08003023 switch (layer->getCompositionType(hwcId)) {
3024 case HWC2::Composition::Cursor:
3025 case HWC2::Composition::Device:
Gray Huang267ab792017-01-11 13:41:09 +08003026 case HWC2::Composition::Sideband:
Dan Stoza9e56aa02015-11-02 13:00:03 -08003027 case HWC2::Composition::SolidColor: {
Mathias Agopianac683022013-10-01 15:36:52 -07003028 const Layer::State& state(layer->getDrawingState());
Dan Stoza9e56aa02015-11-02 13:00:03 -08003029 if (layer->getClearClientTarget(hwcId) && !firstLayer &&
chaviw13fdc492017-06-27 12:40:18 -07003030 layer->isOpaque(state) && (state.color.a == 1.0f)
Dan Stoza9e56aa02015-11-02 13:00:03 -08003031 && hasClientComposition) {
Mathias Agopiancd60f992012-08-16 16:28:27 -07003032 // never clear the very first layer since we're
3033 // guaranteed the FB is already cleared
chaviwa76b2712017-09-20 12:02:26 -07003034 layer->clearWithOpenGL(renderArea);
Mathias Agopiancd60f992012-08-16 16:28:27 -07003035 }
Mathias Agopian85d751c2012-08-29 16:59:24 -07003036 break;
Mathias Agopiancd60f992012-08-16 16:28:27 -07003037 }
Dan Stoza9e56aa02015-11-02 13:00:03 -08003038 case HWC2::Composition::Client: {
chaviwa76b2712017-09-20 12:02:26 -07003039 layer->draw(renderArea, clip);
Mathias Agopian85d751c2012-08-29 16:59:24 -07003040 break;
3041 }
Dan Stoza9e56aa02015-11-02 13:00:03 -08003042 default:
Mathias Agopianda27af92012-09-13 18:17:13 -07003043 break;
Mathias Agopiancd60f992012-08-16 16:28:27 -07003044 }
Dan Stoza9e56aa02015-11-02 13:00:03 -08003045 } else {
3046 ALOGV(" Skipping for empty clip");
Mathias Agopian85d751c2012-08-29 16:59:24 -07003047 }
Dan Stoza9e56aa02015-11-02 13:00:03 -08003048 firstLayer = false;
Mathias Agopian85d751c2012-08-29 16:59:24 -07003049 }
3050 } else {
3051 // we're not using h/w composer
Dan Stoza9e56aa02015-11-02 13:00:03 -08003052 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
Chia-I Wub02087d2017-11-09 10:19:54 -08003053 const Region clip(bounds.intersect(
Dan Stoza9e56aa02015-11-02 13:00:03 -08003054 displayTransform.transform(layer->visibleRegion)));
Mathias Agopian85d751c2012-08-29 16:59:24 -07003055 if (!clip.isEmpty()) {
chaviwa76b2712017-09-20 12:02:26 -07003056 layer->draw(renderArea, clip);
Jesse Halla6b32db2012-07-19 16:44:38 -07003057 }
Mathias Agopian4b2ba532012-03-29 12:23:51 -07003058 }
3059 }
Mathias Agopianf45c5102012-10-24 16:29:17 -07003060
Dan Stoza9f26a9c2016-06-22 14:51:09 -07003061 if (applyColorMatrix) {
3062 getRenderEngine().setupColorTransform(oldColorMatrix);
3063 }
3064
Mathias Agopianf45c5102012-10-24 16:29:17 -07003065 // disable scissor at the end of the frame
David Sodmanbc815282017-11-05 18:57:52 -08003066 getBE().mRenderEngine->disableScissor();
Michael Lentine3f121fc2014-10-01 11:17:28 -07003067 return true;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003068}
3069
Fabien Sanglard830b8472016-11-30 16:35:58 -08003070void SurfaceFlinger::drawWormhole(const sp<const DisplayDevice>& displayDevice, const Region& region) const {
3071 const int32_t height = displayDevice->getHeight();
Lloyd Pique144e1162017-12-20 16:44:52 -08003072 auto& engine(getRenderEngine());
Mathias Agopian3f844832013-08-07 21:24:32 -07003073 engine.fillRegionWithColor(region, height, 0, 0, 0, 0);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003074}
3075
Dan Stoza7d89d062015-04-30 13:29:25 -07003076status_t SurfaceFlinger::addClientLayer(const sp<Client>& client,
Mathias Agopianac9fa422013-02-11 16:40:36 -08003077 const sp<IBinder>& handle,
Mathias Agopian67106042013-03-14 19:18:13 -07003078 const sp<IGraphicBufferProducer>& gbc,
Robert Carr1f0a16a2016-10-24 16:27:39 -07003079 const sp<Layer>& lbc,
3080 const sp<Layer>& parent)
Mathias Agopian96f08192010-06-02 23:28:45 -07003081{
Dan Stoza7d89d062015-04-30 13:29:25 -07003082 // add this layer to the current state list
3083 {
3084 Mutex::Autolock _l(mStateLock);
Robert Carr1f0a16a2016-10-24 16:27:39 -07003085 if (mNumLayers >= MAX_LAYERS) {
Courtney Goeltzenleuchterab702f52017-04-19 15:14:02 -06003086 ALOGE("AddClientLayer failed, mNumLayers (%zu) >= MAX_LAYERS (%zu)", mNumLayers,
3087 MAX_LAYERS);
Dan Stoza7d89d062015-04-30 13:29:25 -07003088 return NO_MEMORY;
3089 }
Robert Carr1f0a16a2016-10-24 16:27:39 -07003090 if (parent == nullptr) {
3091 mCurrentState.layersSortedByZ.add(lbc);
3092 } else {
Robert Carrebd62af2017-11-28 08:49:59 -08003093 if (parent->isPendingRemoval()) {
Chia-I Wu98f1c102017-05-30 14:54:08 -07003094 ALOGE("addClientLayer called with a removed parent");
3095 return NAME_NOT_FOUND;
3096 }
Robert Carr1f0a16a2016-10-24 16:27:39 -07003097 parent->addChild(lbc);
3098 }
Chia-I Wu98f1c102017-05-30 14:54:08 -07003099
Dan Stoza101d8dc2018-02-27 15:42:25 -08003100 mGraphicBufferProducerList.insert(IInterface::asBinder(gbc).get());
Dan Stoza0a0158c2018-03-16 13:38:54 -07003101 // TODO (b/74616334): Change this back to a fatal assert once the leak is fixed
3102 ALOGE_IF(mGraphicBufferProducerList.size() > mMaxGraphicBufferProducerListSize,
3103 "Suspected IGBP leak: %zu IGBPs (%zu max), %zu Layers",
3104 mGraphicBufferProducerList.size(), mMaxGraphicBufferProducerListSize,
3105 mNumLayers);
Robert Carr1f0a16a2016-10-24 16:27:39 -07003106 mLayersAdded = true;
3107 mNumLayers++;
Dan Stoza7d89d062015-04-30 13:29:25 -07003108 }
3109
Mathias Agopian96f08192010-06-02 23:28:45 -07003110 // attach this layer to the client
Mathias Agopianac9fa422013-02-11 16:40:36 -08003111 client->attachLayer(handle, lbc);
Mathias Agopian4f113742011-05-03 16:21:41 -07003112
Dan Stoza7d89d062015-04-30 13:29:25 -07003113 return NO_ERROR;
Mathias Agopian96f08192010-06-02 23:28:45 -07003114}
3115
Chia-I Wu515dc9c2017-06-15 12:53:59 -07003116status_t SurfaceFlinger::removeLayer(const sp<Layer>& layer, bool topLevelOnly) {
Robert Carr7f9b8992017-03-10 11:08:39 -08003117 Mutex::Autolock _l(mStateLock);
chaviwca27f252018-02-06 16:46:39 -08003118 return removeLayerLocked(mStateLock, layer, topLevelOnly);
3119}
Robert Carr7f9b8992017-03-10 11:08:39 -08003120
chaviwca27f252018-02-06 16:46:39 -08003121status_t SurfaceFlinger::removeLayerLocked(const Mutex&, const sp<Layer>& layer,
3122 bool topLevelOnly) {
chaviw8b3871a2017-11-01 17:41:01 -07003123 if (layer->isPendingRemoval()) {
3124 return NO_ERROR;
3125 }
3126
Robert Carr1f0a16a2016-10-24 16:27:39 -07003127 const auto& p = layer->getParent();
Chia-I Wu515dc9c2017-06-15 12:53:59 -07003128 ssize_t index;
Chia-I Wu98f1c102017-05-30 14:54:08 -07003129 if (p != nullptr) {
Chia-I Wu515dc9c2017-06-15 12:53:59 -07003130 if (topLevelOnly) {
3131 return NO_ERROR;
3132 }
3133
Chia-I Wu98f1c102017-05-30 14:54:08 -07003134 sp<Layer> ancestor = p;
3135 while (ancestor->getParent() != nullptr) {
3136 ancestor = ancestor->getParent();
3137 }
3138 if (mCurrentState.layersSortedByZ.indexOf(ancestor) < 0) {
3139 ALOGE("removeLayer called with a layer whose parent has been removed");
3140 return NAME_NOT_FOUND;
3141 }
Chia-I Wufae51c42017-06-15 12:53:59 -07003142
3143 index = p->removeChild(layer);
Chia-I Wu515dc9c2017-06-15 12:53:59 -07003144 } else {
3145 index = mCurrentState.layersSortedByZ.remove(layer);
Chia-I Wu98f1c102017-05-30 14:54:08 -07003146 }
3147
Robert Carr136e2f62017-02-08 17:54:29 -08003148 // As a matter of normal operation, the LayerCleaner will produce a second
3149 // attempt to remove the surface. The Layer will be kept alive in mDrawingState
3150 // so we will succeed in promoting it, but it's already been removed
3151 // from mCurrentState. As long as we can find it in mDrawingState we have no problem
3152 // otherwise something has gone wrong and we are leaking the layer.
3153 if (index < 0 && mDrawingState.layersSortedByZ.indexOf(layer) < 0) {
Robert Carr1f0a16a2016-10-24 16:27:39 -07003154 ALOGE("Failed to find layer (%s) in layer parent (%s).",
3155 layer->getName().string(),
3156 (p != nullptr) ? p->getName().string() : "no-parent");
3157 return BAD_VALUE;
Robert Carr136e2f62017-02-08 17:54:29 -08003158 } else if (index < 0) {
3159 return NO_ERROR;
Steve Pfetsch598f6d52016-10-25 21:47:58 +00003160 }
Robert Carr1f0a16a2016-10-24 16:27:39 -07003161
Chia-I Wuc6657022017-08-15 11:18:17 -07003162 layer->onRemovedFromCurrentState();
Robert Carr1f0a16a2016-10-24 16:27:39 -07003163 mLayersPendingRemoval.add(layer);
3164 mLayersRemoved = true;
Chia-I Wu98f1c102017-05-30 14:54:08 -07003165 mNumLayers -= 1 + layer->getChildrenCount();
Robert Carr1f0a16a2016-10-24 16:27:39 -07003166 setTransactionFlags(eTransactionNeeded);
3167 return NO_ERROR;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003168}
3169
Fabien Sanglardc8251eb2016-12-07 13:59:48 -08003170uint32_t SurfaceFlinger::peekTransactionFlags() {
Mathias Agopiandea20b12011-05-03 17:04:02 -07003171 return android_atomic_release_load(&mTransactionFlags);
3172}
3173
Mathias Agopian3f844832013-08-07 21:24:32 -07003174uint32_t SurfaceFlinger::getTransactionFlags(uint32_t flags) {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003175 return android_atomic_and(~flags, &mTransactionFlags) & flags;
3176}
3177
Mathias Agopian3f844832013-08-07 21:24:32 -07003178uint32_t SurfaceFlinger::setTransactionFlags(uint32_t flags) {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003179 uint32_t old = android_atomic_or(flags, &mTransactionFlags);
3180 if ((old & flags)==0) { // wake the server up
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08003181 signalTransaction();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003182 }
3183 return old;
3184}
3185
chaviwca27f252018-02-06 16:46:39 -08003186bool SurfaceFlinger::containsAnyInvalidClientState(const Vector<ComposerState>& states) {
3187 for (const ComposerState& state : states) {
3188 // Here we need to check that the interface we're given is indeed
3189 // one of our own. A malicious client could give us a nullptr
3190 // IInterface, or one of its own or even one of our own but a
3191 // different type. All these situations would cause us to crash.
3192 if (state.client == nullptr) {
3193 return true;
3194 }
3195
3196 sp<IBinder> binder = IInterface::asBinder(state.client);
3197 if (binder == nullptr) {
3198 return true;
3199 }
3200
3201 if (binder->queryLocalInterface(ISurfaceComposerClient::descriptor) == nullptr) {
3202 return true;
3203 }
3204 }
3205 return false;
3206}
3207
Mathias Agopian8b33f032012-07-24 20:43:54 -07003208void SurfaceFlinger::setTransactionState(
chaviwca27f252018-02-06 16:46:39 -08003209 const Vector<ComposerState>& states,
Mathias Agopian8b33f032012-07-24 20:43:54 -07003210 const Vector<DisplayState>& displays,
3211 uint32_t flags)
3212{
Jamie Gennis7c41bf72012-10-17 09:29:47 -07003213 ATRACE_CALL();
Mathias Agopian698c0872011-06-28 19:09:31 -07003214 Mutex::Autolock _l(mStateLock);
Jamie Gennis28378392011-10-12 17:39:00 -07003215 uint32_t transactionFlags = 0;
Mathias Agopiane57f2922012-08-09 16:29:12 -07003216
chaviwca27f252018-02-06 16:46:39 -08003217 if (containsAnyInvalidClientState(states)) {
3218 return;
3219 }
3220
Jamie Gennis2d5e2302012-10-15 18:24:43 -07003221 if (flags & eAnimation) {
3222 // For window updates that are part of an animation we must wait for
3223 // previous animation "frames" to be handled.
3224 while (mAnimTransactionPending) {
Jamie Gennis7c41bf72012-10-17 09:29:47 -07003225 status_t err = mTransactionCV.waitRelative(mStateLock, s2ns(5));
Jamie Gennis2d5e2302012-10-15 18:24:43 -07003226 if (CC_UNLIKELY(err != NO_ERROR)) {
3227 // just in case something goes wrong in SF, return to the
Jamie Gennis7c41bf72012-10-17 09:29:47 -07003228 // caller after a few seconds.
3229 ALOGW_IF(err == TIMED_OUT, "setTransactionState timed out "
3230 "waiting for previous animation frame");
Jamie Gennis2d5e2302012-10-15 18:24:43 -07003231 mAnimTransactionPending = false;
3232 break;
3233 }
3234 }
3235 }
3236
chaviwca27f252018-02-06 16:46:39 -08003237 for (const DisplayState& display : displays) {
3238 transactionFlags |= setDisplayStateLocked(display);
Jamie Gennisb8d69a52011-10-10 15:48:06 -07003239 }
3240
chaviwca27f252018-02-06 16:46:39 -08003241 for (const ComposerState& state : states) {
3242 transactionFlags |= setClientStateLocked(state);
3243 }
3244
3245 // Iterate through all layers again to determine if any need to be destroyed. Marking layers
3246 // as destroyed should only occur after setting all other states. This is to allow for a
3247 // child re-parent to happen before marking its original parent as destroyed (which would
3248 // then mark the child as destroyed).
3249 for (const ComposerState& state : states) {
3250 setDestroyStateLocked(state);
Mathias Agopian698c0872011-06-28 19:09:31 -07003251 }
Mathias Agopian698c0872011-06-28 19:09:31 -07003252
Jorim Jaggibdcf09c2017-08-08 15:22:08 +02003253 // If a synchronous transaction is explicitly requested without any changes, force a transaction
3254 // anyway. This can be used as a flush mechanism for previous async transactions.
3255 // Empty animation transaction can be used to simulate back-pressure, so also force a
3256 // transaction for empty animation transactions.
3257 if (transactionFlags == 0 &&
3258 ((flags & eSynchronous) || (flags & eAnimation))) {
Robert Carr2a7dbb42016-05-24 11:41:28 -07003259 transactionFlags = eTransactionNeeded;
3260 }
3261
Mathias Agopian386aa982011-11-07 21:58:03 -08003262 if (transactionFlags) {
Lloyd Pique4dccc412018-01-22 17:21:36 -08003263 if (mInterceptor->isEnabled()) {
3264 mInterceptor->saveTransaction(states, mCurrentState.displays, displays, flags);
Irvelffc9efc2016-07-27 15:16:37 -07003265 }
Irvel468051e2016-06-13 16:44:44 -07003266
Mathias Agopian386aa982011-11-07 21:58:03 -08003267 // this triggers the transaction
3268 setTransactionFlags(transactionFlags);
3269
3270 // if this is a synchronous transaction, wait for it to take effect
3271 // before returning.
3272 if (flags & eSynchronous) {
Jamie Gennis2d5e2302012-10-15 18:24:43 -07003273 mTransactionPending = true;
Mathias Agopian386aa982011-11-07 21:58:03 -08003274 }
Jamie Gennis2d5e2302012-10-15 18:24:43 -07003275 if (flags & eAnimation) {
3276 mAnimTransactionPending = true;
3277 }
3278 while (mTransactionPending) {
Mathias Agopian386aa982011-11-07 21:58:03 -08003279 status_t err = mTransactionCV.waitRelative(mStateLock, s2ns(5));
3280 if (CC_UNLIKELY(err != NO_ERROR)) {
3281 // just in case something goes wrong in SF, return to the
3282 // called after a few seconds.
Jamie Gennis2d5e2302012-10-15 18:24:43 -07003283 ALOGW_IF(err == TIMED_OUT, "setTransactionState timed out!");
3284 mTransactionPending = false;
Mathias Agopian386aa982011-11-07 21:58:03 -08003285 break;
3286 }
Mathias Agopiancbb288b2009-09-07 16:32:45 -07003287 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003288 }
3289}
3290
Mathias Agopiane57f2922012-08-09 16:29:12 -07003291uint32_t SurfaceFlinger::setDisplayStateLocked(const DisplayState& s)
3292{
Jesse Hall9a143922012-10-04 16:29:19 -07003293 ssize_t dpyIdx = mCurrentState.displays.indexOfKey(s.token);
3294 if (dpyIdx < 0)
3295 return 0;
3296
Mathias Agopiane57f2922012-08-09 16:29:12 -07003297 uint32_t flags = 0;
Jesse Hall9a143922012-10-04 16:29:19 -07003298 DisplayDeviceState& disp(mCurrentState.displays.editValueAt(dpyIdx));
Mathias Agopian3ee454a2012-08-27 16:28:24 -07003299 if (disp.isValid()) {
Mathias Agopiane57f2922012-08-09 16:29:12 -07003300 const uint32_t what = s.what;
3301 if (what & DisplayState::eSurfaceChanged) {
Marco Nelissen097ca272014-11-14 08:01:01 -08003302 if (IInterface::asBinder(disp.surface) != IInterface::asBinder(s.surface)) {
Mathias Agopiane57f2922012-08-09 16:29:12 -07003303 disp.surface = s.surface;
3304 flags |= eDisplayTransactionNeeded;
3305 }
3306 }
3307 if (what & DisplayState::eLayerStackChanged) {
3308 if (disp.layerStack != s.layerStack) {
3309 disp.layerStack = s.layerStack;
3310 flags |= eDisplayTransactionNeeded;
3311 }
3312 }
Mathias Agopian00e8c7a2012-09-04 19:30:46 -07003313 if (what & DisplayState::eDisplayProjectionChanged) {
Mathias Agopiane57f2922012-08-09 16:29:12 -07003314 if (disp.orientation != s.orientation) {
3315 disp.orientation = s.orientation;
3316 flags |= eDisplayTransactionNeeded;
3317 }
3318 if (disp.frame != s.frame) {
3319 disp.frame = s.frame;
3320 flags |= eDisplayTransactionNeeded;
3321 }
3322 if (disp.viewport != s.viewport) {
3323 disp.viewport = s.viewport;
3324 flags |= eDisplayTransactionNeeded;
3325 }
3326 }
Michael Lentine47e45402014-07-18 15:34:25 -07003327 if (what & DisplayState::eDisplaySizeChanged) {
3328 if (disp.width != s.width) {
3329 disp.width = s.width;
3330 flags |= eDisplayTransactionNeeded;
3331 }
3332 if (disp.height != s.height) {
3333 disp.height = s.height;
3334 flags |= eDisplayTransactionNeeded;
3335 }
3336 }
Mathias Agopiane57f2922012-08-09 16:29:12 -07003337 }
3338 return flags;
3339}
3340
chaviwca27f252018-02-06 16:46:39 -08003341uint32_t SurfaceFlinger::setClientStateLocked(const ComposerState& composerState) {
3342 const layer_state_t& s = composerState.state;
3343 sp<Client> client(static_cast<Client*>(composerState.client.get()));
3344
Mathias Agopian13127d82013-03-05 17:47:11 -08003345 sp<Layer> layer(client->getLayerUser(s.surface));
chaviw8b3871a2017-11-01 17:41:01 -07003346 if (layer == nullptr) {
3347 return 0;
3348 }
3349
3350 if (layer->isPendingRemoval()) {
3351 ALOGW("Attempting to set client state on removed layer: %s", layer->getName().string());
3352 return 0;
3353 }
3354
3355 uint32_t flags = 0;
3356
3357 const uint32_t what = s.what;
3358 bool geometryAppliesWithResize =
3359 what & layer_state_t::eGeometryAppliesWithResize;
3360 if (what & layer_state_t::ePositionChanged) {
3361 if (layer->setPosition(s.x, s.y, !geometryAppliesWithResize)) {
3362 flags |= eTraversalNeeded;
Mathias Agopiane57f2922012-08-09 16:29:12 -07003363 }
chaviw8b3871a2017-11-01 17:41:01 -07003364 }
3365 if (what & layer_state_t::eLayerChanged) {
3366 // NOTE: index needs to be calculated before we update the state
3367 const auto& p = layer->getParent();
3368 if (p == nullptr) {
chaviw64f7b422017-07-12 10:31:58 -07003369 ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
chaviw8b3871a2017-11-01 17:41:01 -07003370 if (layer->setLayer(s.z) && idx >= 0) {
Mathias Agopiane57f2922012-08-09 16:29:12 -07003371 mCurrentState.layersSortedByZ.removeAt(idx);
3372 mCurrentState.layersSortedByZ.add(layer);
3373 // we need traversal (state changed)
3374 // AND transaction (list changed)
3375 flags |= eTransactionNeeded|eTraversalNeeded;
3376 }
chaviw8b3871a2017-11-01 17:41:01 -07003377 } else {
3378 if (p->setChildLayer(layer, s.z)) {
chaviw06178942017-07-27 10:25:59 -07003379 flags |= eTransactionNeeded|eTraversalNeeded;
3380 }
3381 }
chaviw8b3871a2017-11-01 17:41:01 -07003382 }
3383 if (what & layer_state_t::eRelativeLayerChanged) {
Robert Carr503c7042017-09-27 15:06:08 -07003384 // NOTE: index needs to be calculated before we update the state
3385 const auto& p = layer->getParent();
3386 if (p == nullptr) {
3387 ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
3388 if (layer->setRelativeLayer(s.relativeLayerHandle, s.z) && idx >= 0) {
3389 mCurrentState.layersSortedByZ.removeAt(idx);
3390 mCurrentState.layersSortedByZ.add(layer);
3391 // we need traversal (state changed)
3392 // AND transaction (list changed)
3393 flags |= eTransactionNeeded|eTraversalNeeded;
3394 }
3395 } else {
3396 if (p->setChildRelativeLayer(layer, s.relativeLayerHandle, s.z)) {
3397 flags |= eTransactionNeeded|eTraversalNeeded;
3398 }
chaviw8b3871a2017-11-01 17:41:01 -07003399 }
3400 }
3401 if (what & layer_state_t::eSizeChanged) {
3402 if (layer->setSize(s.w, s.h)) {
3403 flags |= eTraversalNeeded;
3404 }
3405 }
3406 if (what & layer_state_t::eAlphaChanged) {
3407 if (layer->setAlpha(s.alpha))
3408 flags |= eTraversalNeeded;
3409 }
3410 if (what & layer_state_t::eColorChanged) {
3411 if (layer->setColor(s.color))
3412 flags |= eTraversalNeeded;
3413 }
3414 if (what & layer_state_t::eMatrixChanged) {
3415 if (layer->setMatrix(s.matrix))
3416 flags |= eTraversalNeeded;
3417 }
3418 if (what & layer_state_t::eTransparentRegionChanged) {
3419 if (layer->setTransparentRegionHint(s.transparentRegion))
3420 flags |= eTraversalNeeded;
3421 }
3422 if (what & layer_state_t::eFlagsChanged) {
3423 if (layer->setFlags(s.flags, s.mask))
3424 flags |= eTraversalNeeded;
3425 }
3426 if (what & layer_state_t::eCropChanged) {
3427 if (layer->setCrop(s.crop, !geometryAppliesWithResize))
3428 flags |= eTraversalNeeded;
3429 }
3430 if (what & layer_state_t::eFinalCropChanged) {
3431 if (layer->setFinalCrop(s.finalCrop, !geometryAppliesWithResize))
3432 flags |= eTraversalNeeded;
3433 }
3434 if (what & layer_state_t::eLayerStackChanged) {
3435 ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
3436 // We only allow setting layer stacks for top level layers,
3437 // everything else inherits layer stack from its parent.
3438 if (layer->hasParent()) {
3439 ALOGE("Attempt to set layer stack on layer with parent (%s) is invalid",
3440 layer->getName().string());
3441 } else if (idx < 0) {
3442 ALOGE("Attempt to set layer stack on layer without parent (%s) that "
3443 "that also does not appear in the top level layer list. Something"
3444 " has gone wrong.", layer->getName().string());
3445 } else if (layer->setLayerStack(s.layerStack)) {
3446 mCurrentState.layersSortedByZ.removeAt(idx);
3447 mCurrentState.layersSortedByZ.add(layer);
3448 // we need traversal (state changed)
3449 // AND transaction (list changed)
3450 flags |= eTransactionNeeded|eTraversalNeeded;
3451 }
3452 }
3453 if (what & layer_state_t::eDeferTransaction) {
3454 if (s.barrierHandle != nullptr) {
3455 layer->deferTransactionUntil(s.barrierHandle, s.frameNumber);
3456 } else if (s.barrierGbp != nullptr) {
3457 const sp<IGraphicBufferProducer>& gbp = s.barrierGbp;
3458 if (authenticateSurfaceTextureLocked(gbp)) {
3459 const auto& otherLayer =
3460 (static_cast<MonitoredProducer*>(gbp.get()))->getLayer();
3461 layer->deferTransactionUntil(otherLayer, s.frameNumber);
3462 } else {
3463 ALOGE("Attempt to defer transaction to to an"
3464 " unrecognized GraphicBufferProducer");
Robert Carr1db73f62016-12-21 12:58:51 -08003465 }
3466 }
chaviw8b3871a2017-11-01 17:41:01 -07003467 // We don't trigger a traversal here because if no other state is
3468 // changed, we don't want this to cause any more work
3469 }
3470 if (what & layer_state_t::eReparent) {
chaviw8ea97bb2017-11-29 10:05:15 -08003471 bool hadParent = layer->hasParent();
chaviw8b3871a2017-11-01 17:41:01 -07003472 if (layer->reparent(s.parentHandleForChild)) {
chaviw8ea97bb2017-11-29 10:05:15 -08003473 if (!hadParent) {
3474 mCurrentState.layersSortedByZ.remove(layer);
3475 }
chaviw8b3871a2017-11-01 17:41:01 -07003476 flags |= eTransactionNeeded|eTraversalNeeded;
Robert Carr9524cb32017-02-13 11:32:32 -08003477 }
chaviw8b3871a2017-11-01 17:41:01 -07003478 }
3479 if (what & layer_state_t::eReparentChildren) {
3480 if (layer->reparentChildren(s.reparentHandle)) {
3481 flags |= eTransactionNeeded|eTraversalNeeded;
Robert Carrc3574f72016-03-24 12:19:32 -07003482 }
Mathias Agopiane57f2922012-08-09 16:29:12 -07003483 }
chaviw8b3871a2017-11-01 17:41:01 -07003484 if (what & layer_state_t::eDetachChildren) {
3485 layer->detachChildren();
3486 }
3487 if (what & layer_state_t::eOverrideScalingModeChanged) {
3488 layer->setOverrideScalingMode(s.overrideScalingMode);
3489 // We don't trigger a traversal here because if no other state is
3490 // changed, we don't want this to cause any more work
3491 }
Mathias Agopiane57f2922012-08-09 16:29:12 -07003492 return flags;
3493}
3494
chaviwca27f252018-02-06 16:46:39 -08003495void SurfaceFlinger::setDestroyStateLocked(const ComposerState& composerState) {
3496 const layer_state_t& state = composerState.state;
3497 sp<Client> client(static_cast<Client*>(composerState.client.get()));
3498
3499 sp<Layer> layer(client->getLayerUser(state.surface));
3500 if (layer == nullptr) {
3501 return;
3502 }
3503
3504 if (layer->isPendingRemoval()) {
3505 ALOGW("Attempting to destroy on removed layer: %s", layer->getName().string());
3506 return;
3507 }
3508
3509 if (state.what & layer_state_t::eDestroySurface) {
3510 removeLayerLocked(mStateLock, layer);
3511 }
3512}
3513
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003514status_t SurfaceFlinger::createLayer(
Mathias Agopian0ef4e152011-04-20 14:19:32 -07003515 const String8& name,
3516 const sp<Client>& client,
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003517 uint32_t w, uint32_t h, PixelFormat format, uint32_t flags,
Albert Chaulk479c60c2017-01-27 14:21:34 -05003518 uint32_t windowType, uint32_t ownerUid, sp<IBinder>* handle,
3519 sp<IGraphicBufferProducer>* gbp, sp<Layer>* parent)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003520{
Mathias Agopian6e2d6482009-07-09 18:16:43 -07003521 if (int32_t(w|h) < 0) {
Mathias Agopian921e6ac2012-07-23 23:11:29 -07003522 ALOGE("createLayer() failed, w or h is negative (w=%d, h=%d)",
Mathias Agopian6e2d6482009-07-09 18:16:43 -07003523 int(w), int(h));
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003524 return BAD_VALUE;
Mathias Agopian6e2d6482009-07-09 18:16:43 -07003525 }
Andreas Huber8b42e8a2010-08-16 08:49:37 -07003526
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003527 status_t result = NO_ERROR;
3528
3529 sp<Layer> layer;
3530
Cody Northropbc755282017-03-31 12:00:08 -06003531 String8 uniqueName = getUniqueLayerName(name);
3532
Mathias Agopian3165cc22012-08-08 19:42:09 -07003533 switch (flags & ISurfaceComposerClient::eFXSurfaceMask) {
3534 case ISurfaceComposerClient::eFXSurfaceNormal:
David Sodman0c69cad2017-08-21 12:12:51 -07003535 result = createBufferLayer(client,
Cody Northropbc755282017-03-31 12:00:08 -06003536 uniqueName, w, h, flags, format,
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003537 handle, gbp, &layer);
David Sodman0c69cad2017-08-21 12:12:51 -07003538
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003539 break;
chaviw13fdc492017-06-27 12:40:18 -07003540 case ISurfaceComposerClient::eFXSurfaceColor:
3541 result = createColorLayer(client,
Cody Northropbc755282017-03-31 12:00:08 -06003542 uniqueName, w, h, flags,
David Sodman0c69cad2017-08-21 12:12:51 -07003543 handle, &layer);
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003544 break;
3545 default:
3546 result = BAD_VALUE;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003547 break;
3548 }
3549
Dan Stoza7d89d062015-04-30 13:29:25 -07003550 if (result != NO_ERROR) {
3551 return result;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003552 }
Dan Stoza7d89d062015-04-30 13:29:25 -07003553
Chia-I Wuab0c3192017-08-01 11:29:00 -07003554 // window type is WINDOW_TYPE_DONT_SCREENSHOT from SurfaceControl.java
3555 // TODO b/64227542
3556 if (windowType == 441731) {
3557 windowType = 2024; // TYPE_NAVIGATION_BAR_PANEL
3558 layer->setPrimaryDisplayOnly();
3559 }
3560
Albert Chaulk479c60c2017-01-27 14:21:34 -05003561 layer->setInfo(windowType, ownerUid);
3562
Robert Carr1f0a16a2016-10-24 16:27:39 -07003563 result = addClientLayer(client, *handle, *gbp, layer, *parent);
Dan Stoza7d89d062015-04-30 13:29:25 -07003564 if (result != NO_ERROR) {
3565 return result;
3566 }
Lloyd Pique4dccc412018-01-22 17:21:36 -08003567 mInterceptor->saveSurfaceCreation(layer);
Dan Stoza7d89d062015-04-30 13:29:25 -07003568
3569 setTransactionFlags(eTransactionNeeded);
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003570 return result;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003571}
3572
Cody Northropbc755282017-03-31 12:00:08 -06003573String8 SurfaceFlinger::getUniqueLayerName(const String8& name)
3574{
3575 bool matchFound = true;
3576 uint32_t dupeCounter = 0;
3577
3578 // Tack on our counter whether there is a hit or not, so everyone gets a tag
3579 String8 uniqueName = name + "#" + String8(std::to_string(dupeCounter).c_str());
3580
3581 // Loop over layers until we're sure there is no matching name
3582 while (matchFound) {
3583 matchFound = false;
3584 mDrawingState.traverseInZOrder([&](Layer* layer) {
3585 if (layer->getName() == uniqueName) {
3586 matchFound = true;
3587 uniqueName = name + "#" + String8(std::to_string(++dupeCounter).c_str());
3588 }
3589 });
3590 }
3591
3592 ALOGD_IF(dupeCounter > 0, "duplicate layer name: changing %s to %s", name.c_str(), uniqueName.c_str());
3593
3594 return uniqueName;
3595}
3596
David Sodman0c69cad2017-08-21 12:12:51 -07003597status_t SurfaceFlinger::createBufferLayer(const sp<Client>& client,
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003598 const String8& name, uint32_t w, uint32_t h, uint32_t flags, PixelFormat& format,
3599 sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp, sp<Layer>* outLayer)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003600{
3601 // initialize the surfaces
Mathias Agopian92a979a2012-08-02 18:32:23 -07003602 switch (format) {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003603 case PIXEL_FORMAT_TRANSPARENT:
3604 case PIXEL_FORMAT_TRANSLUCENT:
3605 format = PIXEL_FORMAT_RGBA_8888;
3606 break;
3607 case PIXEL_FORMAT_OPAQUE:
Mathias Agopian8f105402010-04-05 18:01:24 -07003608 format = PIXEL_FORMAT_RGBX_8888;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003609 break;
3610 }
3611
David Sodman0c69cad2017-08-21 12:12:51 -07003612 sp<BufferLayer> layer = new BufferLayer(this, client, name, w, h, flags);
3613 status_t err = layer->setBuffers(w, h, format, flags);
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003614 if (err == NO_ERROR) {
David Sodman0c69cad2017-08-21 12:12:51 -07003615 *handle = layer->getHandle();
3616 *gbp = layer->getProducer();
3617 *outLayer = layer;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003618 }
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003619
David Sodman0c69cad2017-08-21 12:12:51 -07003620 ALOGE_IF(err, "createBufferLayer() failed (%s)", strerror(-err));
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003621 return err;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003622}
3623
chaviw13fdc492017-06-27 12:40:18 -07003624status_t SurfaceFlinger::createColorLayer(const sp<Client>& client,
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003625 const String8& name, uint32_t w, uint32_t h, uint32_t flags,
David Sodman0c69cad2017-08-21 12:12:51 -07003626 sp<IBinder>* handle, sp<Layer>* outLayer)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003627{
chaviw13fdc492017-06-27 12:40:18 -07003628 *outLayer = new ColorLayer(this, client, name, w, h, flags);
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003629 *handle = (*outLayer)->getHandle();
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003630 return NO_ERROR;
Mathias Agopian118d0242011-10-13 16:02:48 -07003631}
3632
Mathias Agopianac9fa422013-02-11 16:40:36 -08003633status_t SurfaceFlinger::onLayerRemoved(const sp<Client>& client, const sp<IBinder>& handle)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003634{
Robert Carr9524cb32017-02-13 11:32:32 -08003635 // called by a client when it wants to remove a Layer
Mathias Agopian67106042013-03-14 19:18:13 -07003636 status_t err = NO_ERROR;
3637 sp<Layer> l(client->getLayerUser(handle));
Peiyong Lin566a3b42018-01-09 18:22:43 -08003638 if (l != nullptr) {
Lloyd Pique4dccc412018-01-22 17:21:36 -08003639 mInterceptor->saveSurfaceDeletion(l);
Mathias Agopian67106042013-03-14 19:18:13 -07003640 err = removeLayer(l);
3641 ALOGE_IF(err<0 && err != NAME_NOT_FOUND,
3642 "error removing layer=%p (%s)", l.get(), strerror(-err));
Mathias Agopian9a112062009-04-17 19:36:26 -07003643 }
3644 return err;
3645}
3646
Mathias Agopian13127d82013-03-05 17:47:11 -08003647status_t SurfaceFlinger::onLayerDestroyed(const wp<Layer>& layer)
Mathias Agopian9a112062009-04-17 19:36:26 -07003648{
Mathias Agopian67106042013-03-14 19:18:13 -07003649 // called by ~LayerCleaner() when all references to the IBinder (handle)
3650 // are gone
Robert Carr9524cb32017-02-13 11:32:32 -08003651 sp<Layer> l = layer.promote();
3652 if (l == nullptr) {
3653 // The layer has already been removed, carry on
3654 return NO_ERROR;
Robert Carr9524cb32017-02-13 11:32:32 -08003655 }
Chia-I Wu515dc9c2017-06-15 12:53:59 -07003656 // If we have a parent, then we can continue to live as long as it does.
3657 return removeLayer(l, true);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003658}
3659
Mathias Agopianb60314a2012-04-10 22:09:54 -07003660// ---------------------------------------------------------------------------
3661
Andy McFadden13a082e2012-08-24 10:16:42 -07003662void SurfaceFlinger::onInitializeDisplays() {
Jesse Hall01e29052013-02-19 16:13:35 -08003663 // reset screen orientation and use primary layer stack
Andy McFadden13a082e2012-08-24 10:16:42 -07003664 Vector<ComposerState> state;
3665 Vector<DisplayState> displays;
3666 DisplayState d;
Jesse Hall01e29052013-02-19 16:13:35 -08003667 d.what = DisplayState::eDisplayProjectionChanged |
3668 DisplayState::eLayerStackChanged;
Jesse Hall692c7232012-11-08 15:41:56 -08003669 d.token = mBuiltinDisplays[DisplayDevice::DISPLAY_PRIMARY];
Jesse Hall01e29052013-02-19 16:13:35 -08003670 d.layerStack = 0;
Andy McFadden13a082e2012-08-24 10:16:42 -07003671 d.orientation = DisplayState::eOrientationDefault;
Jeff Brown4c05dd12012-09-09 00:07:17 -07003672 d.frame.makeInvalid();
3673 d.viewport.makeInvalid();
Michael Lentine47e45402014-07-18 15:34:25 -07003674 d.width = 0;
3675 d.height = 0;
Andy McFadden13a082e2012-08-24 10:16:42 -07003676 displays.add(d);
3677 setTransactionState(state, displays, 0);
Steven Thomasb02664d2017-07-26 18:48:28 -07003678 setPowerModeInternal(getDisplayDevice(d.token), HWC_POWER_MODE_NORMAL,
3679 /*stateLockHeld*/ false);
Jamie Gennis6547ff42013-07-16 20:12:42 -07003680
David Sodman105b7dc2017-11-04 20:28:14 -07003681 const auto& activeConfig = getBE().mHwc->getActiveConfig(HWC_DISPLAY_PRIMARY);
Dan Stoza9e56aa02015-11-02 13:00:03 -08003682 const nsecs_t period = activeConfig->getVsyncPeriod();
Jamie Gennis6547ff42013-07-16 20:12:42 -07003683 mAnimFrameTracker.setDisplayRefreshPeriod(period);
Brian Anderson0a61b0c2016-12-07 14:55:56 -08003684
Brian Andersond0010582017-03-07 13:20:31 -08003685 // Use phase of 0 since phase is not known.
3686 // Use latency of 0, which will snap to the ideal latency.
3687 setCompositorTimingSnapped(0, period, 0);
Andy McFadden13a082e2012-08-24 10:16:42 -07003688}
3689
3690void SurfaceFlinger::initializeDisplays() {
3691 class MessageScreenInitialized : public MessageBase {
3692 SurfaceFlinger* flinger;
3693 public:
Chih-Hung Hsiehc4067912016-05-03 14:03:27 -07003694 explicit MessageScreenInitialized(SurfaceFlinger* flinger) : flinger(flinger) { }
Andy McFadden13a082e2012-08-24 10:16:42 -07003695 virtual bool handler() {
3696 flinger->onInitializeDisplays();
3697 return true;
3698 }
3699 };
3700 sp<MessageBase> msg = new MessageScreenInitialized(this);
3701 postMessageAsync(msg); // we may be called from main thread, use async message
3702}
3703
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003704void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& hw,
Steven Thomasb02664d2017-07-26 18:48:28 -07003705 int mode, bool stateLockHeld) {
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003706 ALOGD("Set power mode=%d, type=%d flinger=%p", mode, hw->getDisplayType(),
3707 this);
3708 int32_t type = hw->getDisplayType();
3709 int currentMode = hw->getPowerMode();
Andy McFadden13a082e2012-08-24 10:16:42 -07003710
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003711 if (mode == currentMode) {
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003712 return;
3713 }
3714
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003715 hw->setPowerMode(mode);
3716 if (type >= DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
3717 ALOGW("Trying to set power mode for virtual display");
3718 return;
3719 }
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003720
Lloyd Pique4dccc412018-01-22 17:21:36 -08003721 if (mInterceptor->isEnabled()) {
Steven Thomasb02664d2017-07-26 18:48:28 -07003722 ConditionalLock lock(mStateLock, !stateLockHeld);
Irvelffc9efc2016-07-27 15:16:37 -07003723 ssize_t idx = mCurrentState.displays.indexOfKey(hw->getDisplayToken());
3724 if (idx < 0) {
3725 ALOGW("Surface Interceptor SavePowerMode: invalid display token");
3726 return;
3727 }
Lloyd Pique4dccc412018-01-22 17:21:36 -08003728 mInterceptor->savePowerModeUpdate(mCurrentState.displays.valueAt(idx).displayId, mode);
Irvelffc9efc2016-07-27 15:16:37 -07003729 }
3730
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003731 if (currentMode == HWC_POWER_MODE_OFF) {
Tim Murrayf9d4e442016-08-02 15:43:59 -07003732 // Turn on the display
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003733 getHwComposer().setPowerMode(type, mode);
Matthew Bouyack38d49612017-05-12 12:49:32 -07003734 if (type == DisplayDevice::DISPLAY_PRIMARY &&
3735 mode != HWC_POWER_MODE_DOZE_SUSPEND) {
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003736 // FIXME: eventthread only knows about the main display right now
3737 mEventThread->onScreenAcquired();
Jesse Hall948fe0c2013-10-14 12:56:09 -07003738 resyncToHardwareVsync(true);
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003739 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003740
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003741 mVisibleRegionsDirty = true;
Dan Stozab90cf072015-03-05 11:05:59 -08003742 mHasPoweredOff = true;
Steven Thomas6d8110b2017-08-31 18:24:21 -07003743 repaintEverythingLocked();
Tim Murrayf9d4e442016-08-02 15:43:59 -07003744
3745 struct sched_param param = {0};
3746 param.sched_priority = 1;
3747 if (sched_setscheduler(0, SCHED_FIFO, &param) != 0) {
3748 ALOGW("Couldn't set SCHED_FIFO on display on");
3749 }
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003750 } else if (mode == HWC_POWER_MODE_OFF) {
Tim Murrayf9d4e442016-08-02 15:43:59 -07003751 // Turn off the display
3752 struct sched_param param = {0};
3753 if (sched_setscheduler(0, SCHED_OTHER, &param) != 0) {
3754 ALOGW("Couldn't set SCHED_OTHER on display off");
3755 }
3756
Matthew Bouyackcd9b55c2017-06-01 14:37:29 -07003757 if (type == DisplayDevice::DISPLAY_PRIMARY &&
3758 currentMode != HWC_POWER_MODE_DOZE_SUSPEND) {
Jesse Hall948fe0c2013-10-14 12:56:09 -07003759 disableHardwareVsync(true); // also cancels any in-progress resync
3760
Mathias Agopiancde87a32012-09-13 14:09:01 -07003761 // FIXME: eventthread only knows about the main display right now
3762 mEventThread->onScreenReleased();
3763 }
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003764
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003765 getHwComposer().setPowerMode(type, mode);
3766 mVisibleRegionsDirty = true;
3767 // from this point on, SF will stop drawing on this display
Matthew Bouyack38d49612017-05-12 12:49:32 -07003768 } else if (mode == HWC_POWER_MODE_DOZE ||
3769 mode == HWC_POWER_MODE_NORMAL) {
Zheng Zhang8a43fe62017-03-17 11:19:39 +01003770 // Update display while dozing
3771 getHwComposer().setPowerMode(type, mode);
Matthew Bouyackcd9b55c2017-06-01 14:37:29 -07003772 if (type == DisplayDevice::DISPLAY_PRIMARY &&
3773 currentMode == HWC_POWER_MODE_DOZE_SUSPEND) {
Zheng Zhang8a43fe62017-03-17 11:19:39 +01003774 // FIXME: eventthread only knows about the main display right now
3775 mEventThread->onScreenAcquired();
3776 resyncToHardwareVsync(true);
3777 }
3778 } else if (mode == HWC_POWER_MODE_DOZE_SUSPEND) {
3779 // Leave display going to doze
3780 if (type == DisplayDevice::DISPLAY_PRIMARY) {
3781 disableHardwareVsync(true); // also cancels any in-progress resync
3782 // FIXME: eventthread only knows about the main display right now
3783 mEventThread->onScreenReleased();
3784 }
3785 getHwComposer().setPowerMode(type, mode);
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003786 } else {
Matthew Bouyack38d49612017-05-12 12:49:32 -07003787 ALOGE("Attempting to set unknown power mode: %d\n", mode);
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003788 getHwComposer().setPowerMode(type, mode);
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003789 }
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003790}
3791
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003792void SurfaceFlinger::setPowerMode(const sp<IBinder>& display, int mode) {
3793 class MessageSetPowerMode: public MessageBase {
Mathias Agopiandb9b41f2012-10-15 16:51:41 -07003794 SurfaceFlinger& mFlinger;
3795 sp<IBinder> mDisplay;
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003796 int mMode;
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003797 public:
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003798 MessageSetPowerMode(SurfaceFlinger& flinger,
3799 const sp<IBinder>& disp, int mode) : mFlinger(flinger),
3800 mDisplay(disp) { mMode = mode; }
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003801 virtual bool handler() {
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003802 sp<DisplayDevice> hw(mFlinger.getDisplayDevice(mDisplay));
Peiyong Lin566a3b42018-01-09 18:22:43 -08003803 if (hw == nullptr) {
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003804 ALOGE("Attempt to set power mode = %d for null display %p",
Michael Lentine7306c672014-07-30 13:00:37 -07003805 mMode, mDisplay.get());
Jesse Hall9e663de2013-08-16 14:28:37 -07003806 } else if (hw->getDisplayType() >= DisplayDevice::DISPLAY_VIRTUAL) {
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003807 ALOGW("Attempt to set power mode = %d for virtual display",
3808 mMode);
Mathias Agopiandb9b41f2012-10-15 16:51:41 -07003809 } else {
Steven Thomasb02664d2017-07-26 18:48:28 -07003810 mFlinger.setPowerModeInternal(
3811 hw, mMode, /*stateLockHeld*/ false);
Mathias Agopiandb9b41f2012-10-15 16:51:41 -07003812 }
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003813 return true;
3814 }
3815 };
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003816 sp<MessageBase> msg = new MessageSetPowerMode(*this, display, mode);
Mathias Agopiandb9b41f2012-10-15 16:51:41 -07003817 postMessageSync(msg);
Mathias Agopianb60314a2012-04-10 22:09:54 -07003818}
3819
3820// ---------------------------------------------------------------------------
3821
Lloyd Pique755e3192018-01-31 16:46:15 -08003822status_t SurfaceFlinger::doDump(int fd, const Vector<String16>& args, bool asProto)
3823 NO_THREAD_SAFETY_ANALYSIS {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003824 String8 result;
Mathias Agopian99b49842011-06-27 16:05:52 -07003825
Mathias Agopianbd115332013-04-18 16:41:04 -07003826 IPCThreadState* ipc = IPCThreadState::self();
3827 const int pid = ipc->getCallingPid();
3828 const int uid = ipc->getCallingUid();
Vishnu Nair6a408532017-10-24 09:11:27 -07003829
Mathias Agopianbd115332013-04-18 16:41:04 -07003830 if ((uid != AID_SHELL) &&
3831 !PermissionCache::checkPermission(sDump, pid, uid)) {
Mathias Agopian74d211a2013-04-22 16:55:35 +02003832 result.appendFormat("Permission Denial: "
Mathias Agopianbd115332013-04-18 16:41:04 -07003833 "can't dump SurfaceFlinger from pid=%d, uid=%d\n", pid, uid);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003834 } else {
Jesse Hallfcd15b42014-12-23 13:57:23 -08003835 // Try to get the main lock, but give up after one second
Mathias Agopian9795c422009-08-26 16:36:26 -07003836 // (this would indicate SF is stuck, but we want to be able to
3837 // print something in dumpsys).
Jesse Hallfcd15b42014-12-23 13:57:23 -08003838 status_t err = mStateLock.timedLock(s2ns(1));
3839 bool locked = (err == NO_ERROR);
Mathias Agopian9795c422009-08-26 16:36:26 -07003840 if (!locked) {
Jesse Hallfcd15b42014-12-23 13:57:23 -08003841 result.appendFormat(
3842 "SurfaceFlinger appears to be unresponsive (%s [%d]), "
3843 "dumping anyways (no locks held)\n", strerror(-err), err);
Mathias Agopian9795c422009-08-26 16:36:26 -07003844 }
3845
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003846 bool dumpAll = true;
3847 size_t index = 0;
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003848 size_t numArgs = args.size();
chaviwa3d7bd32017-11-03 09:41:53 -07003849
3850 if (asProto) {
Jorim Jaggi8e0af362017-11-14 16:28:28 +01003851 LayersProto layersProto = dumpProtoInfo(LayerVector::StateSet::Current);
chaviwa3d7bd32017-11-03 09:41:53 -07003852 result.append(layersProto.SerializeAsString().c_str(), layersProto.ByteSize());
3853 dumpAll = false;
3854 }
3855
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003856 if (numArgs) {
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003857 if ((index < numArgs) &&
3858 (args[index] == String16("--list"))) {
3859 index++;
Mathias Agopian74d211a2013-04-22 16:55:35 +02003860 listLayersLocked(args, index, result);
Mathias Agopian35aadd62012-03-08 22:01:51 -08003861 dumpAll = false;
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003862 }
3863
3864 if ((index < numArgs) &&
3865 (args[index] == String16("--latency"))) {
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003866 index++;
Mathias Agopian74d211a2013-04-22 16:55:35 +02003867 dumpStatsLocked(args, index, result);
Mathias Agopian35aadd62012-03-08 22:01:51 -08003868 dumpAll = false;
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003869 }
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003870
3871 if ((index < numArgs) &&
3872 (args[index] == String16("--latency-clear"))) {
3873 index++;
Mathias Agopian74d211a2013-04-22 16:55:35 +02003874 clearStatsLocked(args, index, result);
Mathias Agopian35aadd62012-03-08 22:01:51 -08003875 dumpAll = false;
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003876 }
Andy McFaddenc751e922014-05-08 14:53:26 -07003877
3878 if ((index < numArgs) &&
3879 (args[index] == String16("--dispsync"))) {
3880 index++;
3881 mPrimaryDispSync.dump(result);
3882 dumpAll = false;
3883 }
Dan Stozab90cf072015-03-05 11:05:59 -08003884
3885 if ((index < numArgs) &&
3886 (args[index] == String16("--static-screen"))) {
3887 index++;
3888 dumpStaticScreenStats(result);
3889 dumpAll = false;
3890 }
Pablo Ceballos40845df2016-01-25 17:41:15 -08003891
3892 if ((index < numArgs) &&
Brian Andersond6927fb2016-07-23 23:37:30 -07003893 (args[index] == String16("--frame-events"))) {
Pablo Ceballos40845df2016-01-25 17:41:15 -08003894 index++;
Brian Andersond6927fb2016-07-23 23:37:30 -07003895 dumpFrameEventsLocked(result);
Pablo Ceballos40845df2016-01-25 17:41:15 -08003896 dumpAll = false;
3897 }
Courtney Goeltzenleuchterf3b2de12017-03-27 12:18:12 -06003898
3899 if ((index < numArgs) && (args[index] == String16("--wide-color"))) {
3900 index++;
3901 dumpWideColorInfo(result);
3902 dumpAll = false;
3903 }
Yiwei Zhang7124ad32018-02-21 13:02:45 -08003904
3905 if ((index < numArgs) &&
3906 (args[index] == String16("--enable-layer-stats"))) {
3907 index++;
3908 mLayerStats.enable();
3909 dumpAll = false;
3910 }
3911
3912 if ((index < numArgs) &&
3913 (args[index] == String16("--disable-layer-stats"))) {
3914 index++;
3915 mLayerStats.disable();
3916 dumpAll = false;
3917 }
3918
3919 if ((index < numArgs) &&
3920 (args[index] == String16("--clear-layer-stats"))) {
3921 index++;
3922 mLayerStats.clear();
3923 dumpAll = false;
3924 }
3925
3926 if ((index < numArgs) &&
3927 (args[index] == String16("--dump-layer-stats"))) {
3928 index++;
3929 mLayerStats.dump(result);
3930 dumpAll = false;
3931 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003932 }
Mathias Agopian1b5e1022010-04-20 17:55:49 -07003933
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003934 if (dumpAll) {
Mathias Agopian74d211a2013-04-22 16:55:35 +02003935 dumpAllLocked(args, index, result);
Mathias Agopian48b888a2011-01-19 16:15:53 -08003936 }
3937
Mathias Agopian9795c422009-08-26 16:36:26 -07003938 if (locked) {
3939 mStateLock.unlock();
3940 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003941 }
3942 write(fd, result.string(), result.size());
3943 return NO_ERROR;
3944}
3945
Dan Stozac7014012014-02-14 15:03:43 -08003946void SurfaceFlinger::listLayersLocked(const Vector<String16>& /* args */,
3947 size_t& /* index */, String8& result) const
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003948{
Robert Carr2047fae2016-11-28 14:09:09 -08003949 mCurrentState.traverseInZOrder([&](Layer* layer) {
Mathias Agopian74d211a2013-04-22 16:55:35 +02003950 result.appendFormat("%s\n", layer->getName().string());
Robert Carr2047fae2016-11-28 14:09:09 -08003951 });
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003952}
3953
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003954void SurfaceFlinger::dumpStatsLocked(const Vector<String16>& args, size_t& index,
Mathias Agopian74d211a2013-04-22 16:55:35 +02003955 String8& result) const
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003956{
3957 String8 name;
3958 if (index < args.size()) {
3959 name = String8(args[index]);
3960 index++;
3961 }
3962
David Sodman105b7dc2017-11-04 20:28:14 -07003963 const auto& activeConfig = getBE().mHwc->getActiveConfig(HWC_DISPLAY_PRIMARY);
Dan Stoza9e56aa02015-11-02 13:00:03 -08003964 const nsecs_t period = activeConfig->getVsyncPeriod();
Greg Hackmann86efcc02014-03-07 12:44:02 -08003965 result.appendFormat("%" PRId64 "\n", period);
Jamie Gennis4b0eba92013-02-05 13:30:24 -08003966
3967 if (name.isEmpty()) {
Svetoslavd85084b2014-03-20 10:28:31 -07003968 mAnimFrameTracker.dumpStats(result);
Jamie Gennis4b0eba92013-02-05 13:30:24 -08003969 } else {
Robert Carr2047fae2016-11-28 14:09:09 -08003970 mCurrentState.traverseInZOrder([&](Layer* layer) {
Jamie Gennis4b0eba92013-02-05 13:30:24 -08003971 if (name == layer->getName()) {
Svetoslavd85084b2014-03-20 10:28:31 -07003972 layer->dumpFrameStats(result);
Jamie Gennis4b0eba92013-02-05 13:30:24 -08003973 }
Robert Carr2047fae2016-11-28 14:09:09 -08003974 });
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003975 }
3976}
3977
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003978void SurfaceFlinger::clearStatsLocked(const Vector<String16>& args, size_t& index,
Dan Stozac7014012014-02-14 15:03:43 -08003979 String8& /* result */)
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003980{
3981 String8 name;
3982 if (index < args.size()) {
3983 name = String8(args[index]);
3984 index++;
3985 }
3986
Robert Carr2047fae2016-11-28 14:09:09 -08003987 mCurrentState.traverseInZOrder([&](Layer* layer) {
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003988 if (name.isEmpty() || (name == layer->getName())) {
Svetoslavd85084b2014-03-20 10:28:31 -07003989 layer->clearFrameStats();
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003990 }
Robert Carr2047fae2016-11-28 14:09:09 -08003991 });
Jamie Gennis4b0eba92013-02-05 13:30:24 -08003992
Svetoslavd85084b2014-03-20 10:28:31 -07003993 mAnimFrameTracker.clearStats();
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003994}
3995
Jamie Gennis6547ff42013-07-16 20:12:42 -07003996// This should only be called from the main thread. Otherwise it would need
3997// the lock and should use mCurrentState rather than mDrawingState.
3998void SurfaceFlinger::logFrameStats() {
Robert Carr2047fae2016-11-28 14:09:09 -08003999 mDrawingState.traverseInZOrder([&](Layer* layer) {
Jamie Gennis6547ff42013-07-16 20:12:42 -07004000 layer->logFrameStats();
Robert Carr2047fae2016-11-28 14:09:09 -08004001 });
Jamie Gennis6547ff42013-07-16 20:12:42 -07004002
4003 mAnimFrameTracker.logAndResetStats(String8("<win-anim>"));
4004}
4005
Fabien Sanglard63a5fcd2016-12-29 15:13:07 -08004006void SurfaceFlinger::appendSfConfigString(String8& result) const
Andy McFadden4803b742012-09-24 19:07:20 -07004007{
Fabien Sanglard63a5fcd2016-12-29 15:13:07 -08004008 result.append(" [sf");
Fabien Sanglardc93afd52017-03-13 13:02:42 -07004009
Fabien Sanglard63a5fcd2016-12-29 15:13:07 -08004010 if (isLayerTripleBufferingDisabled())
4011 result.append(" DISABLE_TRIPLE_BUFFERING");
Fabien Sanglardc45a7d92017-03-14 13:24:22 -07004012
4013 result.appendFormat(" PRESENT_TIME_OFFSET=%" PRId64 , dispSyncPresentTimeOffset);
Fabien Sanglarda34ed632017-03-14 11:43:52 -07004014 result.appendFormat(" FORCE_HWC_FOR_RBG_TO_YUV=%d", useHwcForRgbToYuv);
Fabien Sanglardc8e387e2017-03-10 10:30:28 -08004015 result.appendFormat(" MAX_VIRT_DISPLAY_DIM=%" PRIu64, maxVirtualDisplaySize);
Fabien Sanglardcbf153b2017-03-10 17:57:12 -08004016 result.appendFormat(" RUNNING_WITHOUT_SYNC_FRAMEWORK=%d", !hasSyncFramework);
Fabien Sanglard1971b632017-03-10 14:50:03 -08004017 result.appendFormat(" NUM_FRAMEBUFFER_SURFACE_BUFFERS=%" PRId64,
4018 maxFrameBufferAcquiredBuffers);
Fabien Sanglard63a5fcd2016-12-29 15:13:07 -08004019 result.append("]");
Andy McFadden4803b742012-09-24 19:07:20 -07004020}
4021
Dan Stozab90cf072015-03-05 11:05:59 -08004022void SurfaceFlinger::dumpStaticScreenStats(String8& result) const
4023{
4024 result.appendFormat("Static screen stats:\n");
David Sodman4a36e932017-11-07 14:29:47 -08004025 for (size_t b = 0; b < SurfaceFlingerBE::NUM_BUCKETS - 1; ++b) {
4026 float bucketTimeSec = getBE().mFrameBuckets[b] / 1e9;
Dan Stozab90cf072015-03-05 11:05:59 -08004027 float percent = 100.0f *
David Sodman4a36e932017-11-07 14:29:47 -08004028 static_cast<float>(getBE().mFrameBuckets[b]) / getBE().mTotalTime;
Dan Stozab90cf072015-03-05 11:05:59 -08004029 result.appendFormat(" < %zd frames: %.3f s (%.1f%%)\n",
4030 b + 1, bucketTimeSec, percent);
4031 }
David Sodman4a36e932017-11-07 14:29:47 -08004032 float bucketTimeSec = getBE().mFrameBuckets[SurfaceFlingerBE::NUM_BUCKETS - 1] / 1e9;
Dan Stozab90cf072015-03-05 11:05:59 -08004033 float percent = 100.0f *
David Sodman4a36e932017-11-07 14:29:47 -08004034 static_cast<float>(getBE().mFrameBuckets[SurfaceFlingerBE::NUM_BUCKETS - 1]) / getBE().mTotalTime;
Dan Stozab90cf072015-03-05 11:05:59 -08004035 result.appendFormat(" %zd+ frames: %.3f s (%.1f%%)\n",
David Sodman4a36e932017-11-07 14:29:47 -08004036 SurfaceFlingerBE::NUM_BUCKETS - 1, bucketTimeSec, percent);
Dan Stozab90cf072015-03-05 11:05:59 -08004037}
4038
Dan Stozae77c7662016-05-13 11:37:28 -07004039void SurfaceFlinger::recordBufferingStats(const char* layerName,
4040 std::vector<OccupancyTracker::Segment>&& history) {
David Sodmancbaf0832017-11-07 14:21:36 -08004041 Mutex::Autolock lock(getBE().mBufferingStatsMutex);
4042 auto& stats = getBE().mBufferingStats[layerName];
Dan Stozae77c7662016-05-13 11:37:28 -07004043 for (const auto& segment : history) {
4044 if (!segment.usedThirdBuffer) {
4045 stats.twoBufferTime += segment.totalTime;
4046 }
4047 if (segment.occupancyAverage < 1.0f) {
4048 stats.doubleBufferedTime += segment.totalTime;
4049 } else if (segment.occupancyAverage < 2.0f) {
4050 stats.tripleBufferedTime += segment.totalTime;
4051 }
4052 ++stats.numSegments;
4053 stats.totalTime += segment.totalTime;
4054 }
4055}
4056
Brian Andersond6927fb2016-07-23 23:37:30 -07004057void SurfaceFlinger::dumpFrameEventsLocked(String8& result) {
4058 result.appendFormat("Layer frame timestamps:\n");
4059
4060 const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
4061 const size_t count = currentLayers.size();
4062 for (size_t i=0 ; i<count ; i++) {
4063 currentLayers[i]->dumpFrameEvents(result);
4064 }
4065}
4066
Dan Stozae77c7662016-05-13 11:37:28 -07004067void SurfaceFlinger::dumpBufferingStats(String8& result) const {
4068 result.append("Buffering stats:\n");
4069 result.append(" [Layer name] <Active time> <Two buffer> "
4070 "<Double buffered> <Triple buffered>\n");
David Sodmancbaf0832017-11-07 14:21:36 -08004071 Mutex::Autolock lock(getBE().mBufferingStatsMutex);
Dan Stozae77c7662016-05-13 11:37:28 -07004072 typedef std::tuple<std::string, float, float, float> BufferTuple;
4073 std::map<float, BufferTuple, std::greater<float>> sorted;
David Sodmancbaf0832017-11-07 14:21:36 -08004074 for (const auto& statsPair : getBE().mBufferingStats) {
Dan Stozae77c7662016-05-13 11:37:28 -07004075 const char* name = statsPair.first.c_str();
David Sodmancbaf0832017-11-07 14:21:36 -08004076 const SurfaceFlingerBE::BufferingStats& stats = statsPair.second;
Dan Stozae77c7662016-05-13 11:37:28 -07004077 if (stats.numSegments == 0) {
4078 continue;
4079 }
4080 float activeTime = ns2ms(stats.totalTime) / 1000.0f;
4081 float twoBufferRatio = static_cast<float>(stats.twoBufferTime) /
4082 stats.totalTime;
4083 float doubleBufferRatio = static_cast<float>(
4084 stats.doubleBufferedTime) / stats.totalTime;
4085 float tripleBufferRatio = static_cast<float>(
4086 stats.tripleBufferedTime) / stats.totalTime;
4087 sorted.insert({activeTime, {name, twoBufferRatio,
4088 doubleBufferRatio, tripleBufferRatio}});
4089 }
4090 for (const auto& sortedPair : sorted) {
4091 float activeTime = sortedPair.first;
4092 const BufferTuple& values = sortedPair.second;
4093 result.appendFormat(" [%s] %.2f %.3f %.3f %.3f\n",
4094 std::get<0>(values).c_str(), activeTime,
4095 std::get<1>(values), std::get<2>(values),
4096 std::get<3>(values));
4097 }
4098 result.append("\n");
4099}
4100
Courtney Goeltzenleuchterf3b2de12017-03-27 12:18:12 -06004101void SurfaceFlinger::dumpWideColorInfo(String8& result) const {
4102 result.appendFormat("hasWideColorDisplay: %d\n", hasWideColorDisplay);
Romain Guy54f154a2017-10-24 21:40:32 +01004103 result.appendFormat("forceNativeColorMode: %d\n", mForceNativeColorMode);
Courtney Goeltzenleuchterf3b2de12017-03-27 12:18:12 -06004104
4105 // TODO: print out if wide-color mode is active or not
4106
4107 for (size_t d = 0; d < mDisplays.size(); d++) {
4108 const sp<const DisplayDevice>& displayDevice(mDisplays[d]);
4109 int32_t hwcId = displayDevice->getHwcDisplayId();
4110 if (hwcId == DisplayDevice::DISPLAY_ID_INVALID) {
4111 continue;
4112 }
4113
4114 result.appendFormat("Display %d color modes:\n", hwcId);
Peiyong Lina52f0292018-03-14 17:26:31 -07004115 std::vector<ColorMode> modes = getHwComposer().getColorModes(hwcId);
Courtney Goeltzenleuchterf3b2de12017-03-27 12:18:12 -06004116 for (auto&& mode : modes) {
4117 result.appendFormat(" %s (%d)\n", decodeColorMode(mode).c_str(), mode);
4118 }
4119
Peiyong Lina52f0292018-03-14 17:26:31 -07004120 ColorMode currentMode = displayDevice->getActiveColorMode();
Courtney Goeltzenleuchterf3b2de12017-03-27 12:18:12 -06004121 result.appendFormat(" Current color mode: %s (%d)\n",
4122 decodeColorMode(currentMode).c_str(), currentMode);
4123 }
4124 result.append("\n");
4125}
4126
Jorim Jaggi8e0af362017-11-14 16:28:28 +01004127LayersProto SurfaceFlinger::dumpProtoInfo(LayerVector::StateSet stateSet) const {
chaviw1d044282017-09-27 12:19:28 -07004128 LayersProto layersProto;
Jorim Jaggi8e0af362017-11-14 16:28:28 +01004129 const bool useDrawing = stateSet == LayerVector::StateSet::Drawing;
4130 const State& state = useDrawing ? mDrawingState : mCurrentState;
4131 state.traverseInZOrder([&](Layer* layer) {
chaviw1d044282017-09-27 12:19:28 -07004132 LayerProto* layerProto = layersProto.add_layers();
Jorim Jaggi8e0af362017-11-14 16:28:28 +01004133 layer->writeToProto(layerProto, stateSet);
chaviw1d044282017-09-27 12:19:28 -07004134 });
4135
4136 return layersProto;
4137}
4138
Yiwei Zhang7124ad32018-02-21 13:02:45 -08004139LayersProto SurfaceFlinger::dumpVisibleLayersProtoInfo(int32_t hwcId) const {
4140 LayersProto layersProto;
4141
4142 const sp<DisplayDevice>& displayDevice(mDisplays[hwcId]);
4143 SizeProto* resolution = layersProto.mutable_resolution();
4144 resolution->set_w(displayDevice->getWidth());
4145 resolution->set_h(displayDevice->getHeight());
4146
4147 mDrawingState.traverseInZOrder([&](Layer* layer) {
4148 if (!layer->visibleRegion.isEmpty() &&
4149 layer->getBE().mHwcLayers.count(hwcId)) {
4150 LayerProto* layerProto = layersProto.add_layers();
4151 layer->writeToProto(layerProto, hwcId);
4152 }
4153 });
4154
4155 return layersProto;
4156}
4157
Mathias Agopian74d211a2013-04-22 16:55:35 +02004158void SurfaceFlinger::dumpAllLocked(const Vector<String16>& args, size_t& index,
4159 String8& result) const
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004160{
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004161 bool colorize = false;
4162 if (index < args.size()
4163 && (args[index] == String16("--color"))) {
4164 colorize = true;
4165 index++;
4166 }
4167
4168 Colorizer colorizer(colorize);
4169
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004170 // figure out if we're stuck somewhere
4171 const nsecs_t now = systemTime();
4172 const nsecs_t inSwapBuffers(mDebugInSwapBuffers);
4173 const nsecs_t inTransaction(mDebugInTransaction);
4174 nsecs_t inSwapBuffersDuration = (inSwapBuffers) ? now-inSwapBuffers : 0;
4175 nsecs_t inTransactionDuration = (inTransaction) ? now-inTransaction : 0;
4176
4177 /*
Andy McFadden4803b742012-09-24 19:07:20 -07004178 * Dump library configuration.
4179 */
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004180
4181 colorizer.bold(result);
Andy McFadden4803b742012-09-24 19:07:20 -07004182 result.append("Build configuration:");
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004183 colorizer.reset(result);
Andy McFadden4803b742012-09-24 19:07:20 -07004184 appendSfConfigString(result);
4185 appendUiConfigString(result);
4186 appendGuiConfigString(result);
4187 result.append("\n");
4188
Courtney Goeltzenleuchterf3b2de12017-03-27 12:18:12 -06004189 result.append("\nWide-Color information:\n");
4190 dumpWideColorInfo(result);
4191
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004192 colorizer.bold(result);
Mathias Agopianca088332013-03-28 17:44:13 -07004193 result.append("Sync configuration: ");
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004194 colorizer.reset(result);
Mathias Agopianca088332013-03-28 17:44:13 -07004195 result.append(SyncFeatures::getInstance().toString());
4196 result.append("\n");
4197
David Sodman105b7dc2017-11-04 20:28:14 -07004198 const auto& activeConfig = getBE().mHwc->getActiveConfig(HWC_DISPLAY_PRIMARY);
Dan Stoza9e56aa02015-11-02 13:00:03 -08004199
Andy McFadden41d67d72014-04-25 16:58:34 -07004200 colorizer.bold(result);
4201 result.append("DispSync configuration: ");
4202 colorizer.reset(result);
Jesse Hall24cd98e2014-07-13 14:37:16 -07004203 result.appendFormat("app phase %" PRId64 " ns, sf phase %" PRId64 " ns, "
Fabien Sanglardc45a7d92017-03-14 13:24:22 -07004204 "present offset %" PRId64 " ns (refresh %" PRId64 " ns)",
Dan Stoza9e56aa02015-11-02 13:00:03 -08004205 vsyncPhaseOffsetNs, sfVsyncPhaseOffsetNs,
Fabien Sanglardc45a7d92017-03-14 13:24:22 -07004206 dispSyncPresentTimeOffset, activeConfig->getVsyncPeriod());
Andy McFadden41d67d72014-04-25 16:58:34 -07004207 result.append("\n");
4208
Dan Stozab90cf072015-03-05 11:05:59 -08004209 // Dump static screen stats
4210 result.append("\n");
4211 dumpStaticScreenStats(result);
4212 result.append("\n");
4213
Dan Stozae77c7662016-05-13 11:37:28 -07004214 dumpBufferingStats(result);
4215
Andy McFadden4803b742012-09-24 19:07:20 -07004216 /*
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004217 * Dump the visible layer list
4218 */
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004219 colorizer.bold(result);
Robert Carr1f0a16a2016-10-24 16:27:39 -07004220 result.appendFormat("Visible layers (count = %zu)\n", mNumLayers);
Dan Stoza0a0158c2018-03-16 13:38:54 -07004221 result.appendFormat("GraphicBufferProducers: %zu, max %zu\n",
4222 mGraphicBufferProducerList.size(), mMaxGraphicBufferProducerListSize);
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004223 colorizer.reset(result);
chaviw1d044282017-09-27 12:19:28 -07004224
Jorim Jaggi8e0af362017-11-14 16:28:28 +01004225 LayersProto layersProto = dumpProtoInfo(LayerVector::StateSet::Current);
chaviw1d044282017-09-27 12:19:28 -07004226 auto layerTree = LayerProtoParser::generateLayerTree(layersProto);
chaviw7ba019b2018-03-14 13:28:39 -07004227 result.append(LayerProtoParser::layersToString(std::move(layerTree)).c_str());
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004228
4229 /*
Mathias Agopian5f20e2d2012-08-10 18:50:38 -07004230 * Dump Display state
4231 */
4232
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004233 colorizer.bold(result);
Greg Hackmann86efcc02014-03-07 12:44:02 -08004234 result.appendFormat("Displays (%zu entries)\n", mDisplays.size());
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004235 colorizer.reset(result);
Mathias Agopian5f20e2d2012-08-10 18:50:38 -07004236 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
4237 const sp<const DisplayDevice>& hw(mDisplays[dpy]);
Mathias Agopian74d211a2013-04-22 16:55:35 +02004238 hw->dump(result);
Mathias Agopian5f20e2d2012-08-10 18:50:38 -07004239 }
4240
4241 /*
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004242 * Dump SurfaceFlinger global state
4243 */
4244
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004245 colorizer.bold(result);
Mathias Agopian74d211a2013-04-22 16:55:35 +02004246 result.append("SurfaceFlinger global state:\n");
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004247 colorizer.reset(result);
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004248
Mathias Agopian888c8222012-08-04 21:10:38 -07004249 HWComposer& hwc(getHwComposer());
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07004250 sp<const DisplayDevice> hw(getDefaultDisplayDeviceLocked());
Mathias Agopianca088332013-03-28 17:44:13 -07004251
David Sodmanbc815282017-11-05 18:57:52 -08004252 getBE().mRenderEngine->dump(result);
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004253
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08004254 if (hw) {
4255 hw->undefinedRegion.dump(result, "undefinedRegion");
4256 result.appendFormat(" orientation=%d, isDisplayOn=%d\n",
4257 hw->getOrientation(), hw->isDisplayOn());
4258 }
Mathias Agopian74d211a2013-04-22 16:55:35 +02004259 result.appendFormat(
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004260 " last eglSwapBuffers() time: %f us\n"
4261 " last transaction time : %f us\n"
Mathias Agopianc95dbdc2012-02-05 00:19:27 -08004262 " transaction-flags : %08x\n"
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004263 " refresh-rate : %f fps\n"
4264 " x-dpi : %f\n"
Mathias Agopianed985572013-03-22 00:24:39 -07004265 " y-dpi : %f\n"
Mathias Agopianed985572013-03-22 00:24:39 -07004266 " gpu_to_cpu_unsupported : %d\n"
4267 ,
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004268 mLastSwapBufferTime/1000.0,
4269 mLastTransactionTime/1000.0,
Mathias Agopianc95dbdc2012-02-05 00:19:27 -08004270 mTransactionFlags,
Dan Stoza9e56aa02015-11-02 13:00:03 -08004271 1e9 / activeConfig->getVsyncPeriod(),
4272 activeConfig->getDpiX(),
4273 activeConfig->getDpiY(),
Mathias Agopianed985572013-03-22 00:24:39 -07004274 !mGpuToCpuSupported);
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004275
Mathias Agopian74d211a2013-04-22 16:55:35 +02004276 result.appendFormat(" eglSwapBuffers time: %f us\n",
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004277 inSwapBuffersDuration/1000.0);
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004278
Mathias Agopian74d211a2013-04-22 16:55:35 +02004279 result.appendFormat(" transaction time: %f us\n",
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004280 inTransactionDuration/1000.0);
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004281
4282 /*
4283 * VSYNC state
4284 */
Mathias Agopian74d211a2013-04-22 16:55:35 +02004285 mEventThread->dump(result);
Dan Stozae22aec72016-08-01 13:20:59 -07004286 result.append("\n");
4287
4288 /*
4289 * HWC layer minidump
4290 */
4291 for (size_t d = 0; d < mDisplays.size(); d++) {
4292 const sp<const DisplayDevice>& displayDevice(mDisplays[d]);
4293 int32_t hwcId = displayDevice->getHwcDisplayId();
4294 if (hwcId == DisplayDevice::DISPLAY_ID_INVALID) {
4295 continue;
4296 }
4297
4298 result.appendFormat("Display %d HWC layers:\n", hwcId);
4299 Layer::miniDumpHeader(result);
Robert Carr1f0a16a2016-10-24 16:27:39 -07004300 mCurrentState.traverseInZOrder([&](Layer* layer) {
Dan Stozae22aec72016-08-01 13:20:59 -07004301 layer->miniDump(result, hwcId);
Robert Carr1f0a16a2016-10-24 16:27:39 -07004302 });
Dan Stozae22aec72016-08-01 13:20:59 -07004303 result.append("\n");
4304 }
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004305
4306 /*
4307 * Dump HWComposer state
4308 */
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004309 colorizer.bold(result);
Mathias Agopian74d211a2013-04-22 16:55:35 +02004310 result.append("h/w composer state:\n");
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004311 colorizer.reset(result);
Dan Stoza9f26a9c2016-06-22 14:51:09 -07004312 bool hwcDisabled = mDebugDisableHWC || mDebugRegion;
Dan Stoza9e56aa02015-11-02 13:00:03 -08004313 result.appendFormat(" h/w composer %s\n",
4314 hwcDisabled ? "disabled" : "enabled");
Mathias Agopian74d211a2013-04-22 16:55:35 +02004315 hwc.dump(result);
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004316
4317 /*
4318 * Dump gralloc state
4319 */
4320 const GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
4321 alloc.dump(result);
Karthik Ravi Shankar171155a2017-06-28 15:40:24 -07004322
4323 /*
4324 * Dump VrFlinger state if in use.
4325 */
4326 if (mVrFlingerRequestsDisplay && mVrFlinger) {
4327 result.append("VrFlinger state:\n");
4328 result.append(mVrFlinger->Dump().c_str());
4329 result.append("\n");
4330 }
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004331}
4332
Mathias Agopian13127d82013-03-05 17:47:11 -08004333const Vector< sp<Layer> >&
Jesse Hall48bc05b2013-03-21 14:06:52 -07004334SurfaceFlinger::getLayerSortedByZForHwcDisplay(int id) {
Mathias Agopiandb9b41f2012-10-15 16:51:41 -07004335 // Note: mStateLock is held here
Jesse Hall48bc05b2013-03-21 14:06:52 -07004336 wp<IBinder> dpy;
4337 for (size_t i=0 ; i<mDisplays.size() ; i++) {
4338 if (mDisplays.valueAt(i)->getHwcDisplayId() == id) {
4339 dpy = mDisplays.keyAt(i);
4340 break;
4341 }
4342 }
Peiyong Lin566a3b42018-01-09 18:22:43 -08004343 if (dpy == nullptr) {
Jesse Hall48bc05b2013-03-21 14:06:52 -07004344 ALOGE("getLayerSortedByZForHwcDisplay: invalid hwc display id %d", id);
4345 // Just use the primary display so we have something to return
4346 dpy = getBuiltInDisplay(DisplayDevice::DISPLAY_PRIMARY);
4347 }
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07004348 return getDisplayDeviceLocked(dpy)->getVisibleLayersSortedByZ();
Mathias Agopiancb558572012-10-04 15:58:54 -07004349}
4350
Keun young Park63f165f2012-08-31 10:53:36 -07004351bool SurfaceFlinger::startDdmConnection()
4352{
4353 void* libddmconnection_dso =
4354 dlopen("libsurfaceflinger_ddmconnection.so", RTLD_NOW);
4355 if (!libddmconnection_dso) {
4356 return false;
4357 }
4358 void (*DdmConnection_start)(const char* name);
4359 DdmConnection_start =
Jesse Hall24cd98e2014-07-13 14:37:16 -07004360 (decltype(DdmConnection_start))dlsym(libddmconnection_dso, "DdmConnection_start");
Keun young Park63f165f2012-08-31 10:53:36 -07004361 if (!DdmConnection_start) {
4362 dlclose(libddmconnection_dso);
4363 return false;
4364 }
4365 (*DdmConnection_start)(getServiceName());
4366 return true;
4367}
4368
Fabien Sanglard6e8e98a2016-10-27 20:04:11 -07004369status_t SurfaceFlinger::CheckTransactCodeCredentials(uint32_t code) {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004370 switch (code) {
4371 case CREATE_CONNECTION:
Mathias Agopian041a0752013-03-15 18:31:56 -07004372 case CREATE_DISPLAY:
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004373 case BOOT_FINISHED:
Svetoslavd85084b2014-03-20 10:28:31 -07004374 case CLEAR_ANIMATION_FRAME_STATS:
4375 case GET_ANIMATION_FRAME_STATS:
Prashant Malani2c9b11f2014-05-25 01:36:31 -07004376 case SET_POWER_MODE:
Dan Stozac4f471e2016-03-24 09:31:08 -07004377 case GET_HDR_CAPABILITIES:
Chia-I Wu90f669f2017-10-05 14:24:41 -07004378 case ENABLE_VSYNC_INJECTIONS:
4379 case INJECT_VSYNC:
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004380 {
4381 // codes that require permission check
4382 IPCThreadState* ipc = IPCThreadState::self();
4383 const int pid = ipc->getCallingPid();
Mathias Agopiana1ecca92009-05-21 19:21:59 -07004384 const int uid = ipc->getCallingUid();
Jeff Brown3bfe51d2015-04-10 20:20:13 -07004385 if ((uid != AID_GRAPHICS && uid != AID_SYSTEM) &&
Mathias Agopian99b49842011-06-27 16:05:52 -07004386 !PermissionCache::checkPermission(sAccessSurfaceFlinger, pid, uid)) {
Fabien Sanglard6e8e98a2016-10-27 20:04:11 -07004387 ALOGE("Permission Denial: can't access SurfaceFlinger pid=%d, uid=%d", pid, uid);
Mathias Agopian375f5632009-06-15 18:24:59 -07004388 return PERMISSION_DENIED;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004389 }
Mathias Agopian1b0b30d2010-09-24 11:26:58 -07004390 break;
4391 }
Robert Carr1db73f62016-12-21 12:58:51 -08004392 /*
4393 * Calling setTransactionState is safe, because you need to have been
4394 * granted a reference to Client* and Handle* to do anything with it.
4395 *
4396 * Creating a scoped connection is safe, as per discussion in ISurfaceComposer.h
4397 */
4398 case SET_TRANSACTION_STATE:
4399 case CREATE_SCOPED_CONNECTION:
4400 {
4401 return OK;
4402 }
Mathias Agopian1b0b30d2010-09-24 11:26:58 -07004403 case CAPTURE_SCREEN:
4404 {
4405 // codes that require permission check
4406 IPCThreadState* ipc = IPCThreadState::self();
4407 const int pid = ipc->getCallingPid();
4408 const int uid = ipc->getCallingUid();
Mathias Agopian99b49842011-06-27 16:05:52 -07004409 if ((uid != AID_GRAPHICS) &&
4410 !PermissionCache::checkPermission(sReadFramebuffer, pid, uid)) {
Fabien Sanglard6e8e98a2016-10-27 20:04:11 -07004411 ALOGE("Permission Denial: can't read framebuffer pid=%d, uid=%d", pid, uid);
Mathias Agopian1b0b30d2010-09-24 11:26:58 -07004412 return PERMISSION_DENIED;
4413 }
4414 break;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004415 }
chaviwa76b2712017-09-20 12:02:26 -07004416 case CAPTURE_LAYERS: {
4417 IPCThreadState* ipc = IPCThreadState::self();
4418 const int pid = ipc->getCallingPid();
4419 const int uid = ipc->getCallingUid();
4420 if ((uid != AID_GRAPHICS) &&
4421 !PermissionCache::checkPermission(sReadFramebuffer, pid, uid)) {
4422 ALOGE("Permission Denial: can't read framebuffer pid=%d, uid=%d", pid, uid);
4423 return PERMISSION_DENIED;
4424 }
4425 break;
4426 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004427 }
Fabien Sanglard6e8e98a2016-10-27 20:04:11 -07004428 return OK;
4429}
4430
4431status_t SurfaceFlinger::onTransact(
4432 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
4433{
4434 status_t credentialCheck = CheckTransactCodeCredentials(code);
4435 if (credentialCheck != OK) {
4436 return credentialCheck;
4437 }
Mathias Agopian1b0b30d2010-09-24 11:26:58 -07004438
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004439 status_t err = BnSurfaceComposer::onTransact(code, data, reply, flags);
4440 if (err == UNKNOWN_TRANSACTION || err == PERMISSION_DENIED) {
Mathias Agopianb8a55602009-06-26 19:06:36 -07004441 CHECK_INTERFACE(ISurfaceComposer, data, reply);
Romain Guy8c6bbd62017-06-05 13:51:43 -07004442 IPCThreadState* ipc = IPCThreadState::self();
4443 const int uid = ipc->getCallingUid();
4444 if (CC_UNLIKELY(uid != AID_SYSTEM
4445 && !PermissionCache::checkCallingPermission(sHardwareTest))) {
Mathias Agopian375f5632009-06-15 18:24:59 -07004446 const int pid = ipc->getCallingPid();
Steve Blocke6f43dd2012-01-06 19:20:56 +00004447 ALOGE("Permission Denial: "
Mathias Agopian375f5632009-06-15 18:24:59 -07004448 "can't access SurfaceFlinger pid=%d, uid=%d", pid, uid);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004449 return PERMISSION_DENIED;
4450 }
4451 int n;
4452 switch (code) {
Mathias Agopian01b76682009-04-16 20:04:08 -07004453 case 1000: // SHOW_CPU, NOT SUPPORTED ANYMORE
Mathias Agopian35b48d12010-09-13 22:57:58 -07004454 case 1001: // SHOW_FPS, NOT SUPPORTED ANYMORE
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004455 return NO_ERROR;
4456 case 1002: // SHOW_UPDATES
4457 n = data.readInt32();
4458 mDebugRegion = n ? n : (mDebugRegion ? 0 : 1);
Mathias Agopian53331da2011-08-22 21:44:41 -07004459 invalidateHwcGeometry();
4460 repaintEverything();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004461 return NO_ERROR;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004462 case 1004:{ // repaint everything
Mathias Agopian53331da2011-08-22 21:44:41 -07004463 repaintEverything();
Mathias Agopiancbb288b2009-09-07 16:32:45 -07004464 return NO_ERROR;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004465 }
Mathias Agopiancbb288b2009-09-07 16:32:45 -07004466 case 1005:{ // force transaction
Steven Thomas6d8110b2017-08-31 18:24:21 -07004467 Mutex::Autolock _l(mStateLock);
Mathias Agopiane57f2922012-08-09 16:29:12 -07004468 setTransactionFlags(
4469 eTransactionNeeded|
4470 eDisplayTransactionNeeded|
4471 eTraversalNeeded);
Mathias Agopiancbb288b2009-09-07 16:32:45 -07004472 return NO_ERROR;
4473 }
Mathias Agopian4d143ee2012-02-23 20:05:39 -08004474 case 1006:{ // send empty update
4475 signalRefresh();
4476 return NO_ERROR;
4477 }
Mathias Agopian53331da2011-08-22 21:44:41 -07004478 case 1008: // toggle use of hw composer
4479 n = data.readInt32();
4480 mDebugDisableHWC = n ? 1 : 0;
4481 invalidateHwcGeometry();
4482 repaintEverything();
4483 return NO_ERROR;
Mathias Agopiana4583642011-08-23 18:03:18 -07004484 case 1009: // toggle use of transform hint
4485 n = data.readInt32();
4486 mDebugDisableTransformHint = n ? 1 : 0;
4487 invalidateHwcGeometry();
4488 repaintEverything();
4489 return NO_ERROR;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004490 case 1010: // interrogate.
Mathias Agopian01b76682009-04-16 20:04:08 -07004491 reply->writeInt32(0);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004492 reply->writeInt32(0);
4493 reply->writeInt32(mDebugRegion);
Mathias Agopianb9494d52012-04-18 02:28:45 -07004494 reply->writeInt32(0);
Dianne Hackborn12839be2012-02-06 21:21:05 -08004495 reply->writeInt32(mDebugDisableHWC);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004496 return NO_ERROR;
4497 case 1013: {
Tomasz Wasilczyk8722a312017-04-13 19:14:30 +00004498 sp<const DisplayDevice> hw(getDefaultDisplayDevice());
Mathias Agopian42977342012-08-05 00:40:46 -07004499 reply->writeInt32(hw->getPageFlipCount());
Mathias Agopianff2ed702013-09-01 21:36:12 -07004500 return NO_ERROR;
4501 }
4502 case 1014: {
4503 // daltonize
4504 n = data.readInt32();
4505 switch (n % 10) {
Dan Stoza9f26a9c2016-06-22 14:51:09 -07004506 case 1:
4507 mDaltonizer.setType(ColorBlindnessType::Protanomaly);
4508 break;
4509 case 2:
4510 mDaltonizer.setType(ColorBlindnessType::Deuteranomaly);
4511 break;
4512 case 3:
4513 mDaltonizer.setType(ColorBlindnessType::Tritanomaly);
4514 break;
4515 default:
4516 mDaltonizer.setType(ColorBlindnessType::None);
4517 break;
Mathias Agopianff2ed702013-09-01 21:36:12 -07004518 }
4519 if (n >= 10) {
Dan Stoza9f26a9c2016-06-22 14:51:09 -07004520 mDaltonizer.setMode(ColorBlindnessMode::Correction);
Mathias Agopianff2ed702013-09-01 21:36:12 -07004521 } else {
Dan Stoza9f26a9c2016-06-22 14:51:09 -07004522 mDaltonizer.setMode(ColorBlindnessMode::Simulation);
Mathias Agopianff2ed702013-09-01 21:36:12 -07004523 }
Mathias Agopianff2ed702013-09-01 21:36:12 -07004524 invalidateHwcGeometry();
4525 repaintEverything();
Alan Viverette9c5a3332013-09-12 20:04:35 -07004526 return NO_ERROR;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004527 }
Alan Viverette9c5a3332013-09-12 20:04:35 -07004528 case 1015: {
4529 // apply a color matrix
4530 n = data.readInt32();
Alan Viverette9c5a3332013-09-12 20:04:35 -07004531 if (n) {
Romain Guy0147a172017-06-01 13:53:56 -07004532 // color matrix is sent as a column-major mat4 matrix
Alan Viverette794c5ba2013-10-03 16:40:52 -07004533 for (size_t i = 0 ; i < 4; i++) {
Dan Stoza9f26a9c2016-06-22 14:51:09 -07004534 for (size_t j = 0; j < 4; j++) {
4535 mColorMatrix[i][j] = data.readFloat();
4536 }
Alan Viverette9c5a3332013-09-12 20:04:35 -07004537 }
Alan Viverette9c5a3332013-09-12 20:04:35 -07004538 } else {
4539 mColorMatrix = mat4();
4540 }
Romain Guy88d37dd2017-05-26 17:57:05 -07004541
4542 // Check that supplied matrix's last row is {0,0,0,1} so we can avoid
4543 // the division by w in the fragment shader
4544 float4 lastRow(transpose(mColorMatrix)[3]);
4545 if (any(greaterThan(abs(lastRow - float4{0, 0, 0, 1}), float4{1e-4f}))) {
4546 ALOGE("The color transform's last row must be (0, 0, 0, 1)");
4547 }
4548
Alan Viverette9c5a3332013-09-12 20:04:35 -07004549 invalidateHwcGeometry();
4550 repaintEverything();
4551 return NO_ERROR;
4552 }
Ruchi Kandoif52b3c82014-04-24 16:42:35 -07004553 // This is an experimental interface
4554 // Needs to be shifted to proper binder interface when we productize
4555 case 1016: {
Andy McFadden645b1f72014-06-10 14:43:32 -07004556 n = data.readInt32();
4557 mPrimaryDispSync.setRefreshSkipCount(n);
Ruchi Kandoif52b3c82014-04-24 16:42:35 -07004558 return NO_ERROR;
4559 }
Dan Stozaee44edd2015-03-23 15:50:23 -07004560 case 1017: {
4561 n = data.readInt32();
4562 mForceFullDamage = static_cast<bool>(n);
4563 return NO_ERROR;
4564 }
Dan Stozadb4ac3c2015-04-14 11:34:01 -07004565 case 1018: { // Modify Choreographer's phase offset
4566 n = data.readInt32();
4567 mEventThread->setPhaseOffset(static_cast<nsecs_t>(n));
4568 return NO_ERROR;
4569 }
4570 case 1019: { // Modify SurfaceFlinger's phase offset
4571 n = data.readInt32();
4572 mSFEventThread->setPhaseOffset(static_cast<nsecs_t>(n));
4573 return NO_ERROR;
4574 }
Irvel468051e2016-06-13 16:44:44 -07004575 case 1020: { // Layer updates interceptor
4576 n = data.readInt32();
4577 if (n) {
4578 ALOGV("Interceptor enabled");
Lloyd Pique4dccc412018-01-22 17:21:36 -08004579 mInterceptor->enable(mDrawingState.layersSortedByZ, mDrawingState.displays);
Irvel468051e2016-06-13 16:44:44 -07004580 }
4581 else{
4582 ALOGV("Interceptor disabled");
Lloyd Pique4dccc412018-01-22 17:21:36 -08004583 mInterceptor->disable();
Irvel468051e2016-06-13 16:44:44 -07004584 }
4585 return NO_ERROR;
4586 }
Dan Stoza8cf150a2016-08-02 10:27:31 -07004587 case 1021: { // Disable HWC virtual displays
4588 n = data.readInt32();
4589 mUseHwcVirtualDisplays = !n;
4590 return NO_ERROR;
4591 }
Romain Guy0147a172017-06-01 13:53:56 -07004592 case 1022: { // Set saturation boost
4593 mSaturation = std::max(0.0f, std::min(data.readFloat(), 2.0f));
4594
4595 invalidateHwcGeometry();
4596 repaintEverything();
4597 return NO_ERROR;
4598 }
Romain Guy54f154a2017-10-24 21:40:32 +01004599 case 1023: { // Set native mode
4600 mForceNativeColorMode = data.readInt32() == 1;
4601
4602 invalidateHwcGeometry();
4603 repaintEverything();
4604 return NO_ERROR;
4605 }
4606 case 1024: { // Is wide color gamut rendering/color management supported?
4607 reply->writeBool(hasWideColorDisplay);
4608 return NO_ERROR;
4609 }
Vishnu Nair87704c92018-01-08 15:32:57 -08004610 case 1025: { // Set layer tracing
Adrian Roos1e1a1282017-11-01 19:05:31 +01004611 n = data.readInt32();
4612 if (n) {
4613 ALOGV("LayerTracing enabled");
4614 mTracing.enable();
4615 doTracing("tracing.enable");
4616 reply->writeInt32(NO_ERROR);
4617 } else {
4618 ALOGV("LayerTracing disabled");
4619 status_t err = mTracing.disable();
4620 reply->writeInt32(err);
4621 }
4622 return NO_ERROR;
4623 }
Vishnu Nair87704c92018-01-08 15:32:57 -08004624 case 1026: { // Get layer tracing status
4625 reply->writeBool(mTracing.isEnabled());
4626 return NO_ERROR;
4627 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004628 }
4629 }
4630 return err;
4631}
4632
Steven Thomas6d8110b2017-08-31 18:24:21 -07004633void SurfaceFlinger::repaintEverythingLocked() {
Mathias Agopian87baae12012-07-31 12:38:26 -07004634 android_atomic_or(1, &mRepaintEverything);
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08004635 signalTransaction();
Mathias Agopian53331da2011-08-22 21:44:41 -07004636}
4637
Steven Thomas6d8110b2017-08-31 18:24:21 -07004638void SurfaceFlinger::repaintEverything() {
4639 ConditionalLock _l(mStateLock,
4640 std::this_thread::get_id() != mMainThreadId);
4641 repaintEverythingLocked();
4642}
4643
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004644// A simple RAII class to disconnect from an ANativeWindow* when it goes out of scope
4645class WindowDisconnector {
Mathias Agopian2ed0fe52013-07-08 17:09:41 -07004646public:
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004647 WindowDisconnector(ANativeWindow* window, int api) : mWindow(window), mApi(api) {}
4648 ~WindowDisconnector() {
4649 native_window_api_disconnect(mWindow, mApi);
Mathias Agopian2ed0fe52013-07-08 17:09:41 -07004650 }
4651
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004652private:
4653 ANativeWindow* mWindow;
4654 const int mApi;
Mathias Agopian2ed0fe52013-07-08 17:09:41 -07004655};
4656
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004657status_t SurfaceFlinger::captureScreen(const sp<IBinder>& display, sp<GraphicBuffer>* outBuffer,
4658 Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
4659 int32_t minLayerZ, int32_t maxLayerZ,
4660 bool useIdentityTransform,
chaviwa76b2712017-09-20 12:02:26 -07004661 ISurfaceComposer::Rotation rotation) {
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004662 ATRACE_CALL();
Mathias Agopian2a9fc492013-03-01 13:42:57 -08004663
chaviwa76b2712017-09-20 12:02:26 -07004664 if (CC_UNLIKELY(display == 0)) return BAD_VALUE;
4665
4666 const sp<const DisplayDevice> device(getDisplayDeviceLocked(display));
Garfield Tan3b1b8af2018-03-16 17:37:33 -07004667 if (CC_UNLIKELY(device == 0)) return BAD_VALUE;
4668
chaviwa76b2712017-09-20 12:02:26 -07004669 DisplayRenderArea renderArea(device, sourceCrop, reqHeight, reqWidth, rotation);
4670
4671 auto traverseLayers = std::bind(std::mem_fn(&SurfaceFlinger::traverseLayersInDisplay), this,
4672 device, minLayerZ, maxLayerZ, std::placeholders::_1);
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004673 return captureScreenCommon(renderArea, traverseLayers, outBuffer, useIdentityTransform);
chaviwa76b2712017-09-20 12:02:26 -07004674}
4675
4676status_t SurfaceFlinger::captureLayers(const sp<IBinder>& layerHandleBinder,
Vishnu Nair87704c92018-01-08 15:32:57 -08004677 sp<GraphicBuffer>* outBuffer, const Rect& sourceCrop,
Robert Carr578038f2018-03-09 12:25:24 -08004678 float frameScale, bool childrenOnly) {
chaviwa76b2712017-09-20 12:02:26 -07004679 ATRACE_CALL();
4680
4681 class LayerRenderArea : public RenderArea {
4682 public:
Robert Carr578038f2018-03-09 12:25:24 -08004683 LayerRenderArea(SurfaceFlinger* flinger, const sp<Layer>& layer, const Rect crop,
4684 int32_t reqWidth, int32_t reqHeight, bool childrenOnly)
4685 : RenderArea(reqHeight, reqWidth),
4686 mLayer(layer),
4687 mCrop(crop),
4688 mFlinger(flinger),
4689 mChildrenOnly(childrenOnly) {}
chaviwa76b2712017-09-20 12:02:26 -07004690 Rect getBounds() const override {
4691 const Layer::State& layerState(mLayer->getDrawingState());
4692 return Rect(layerState.active.w, layerState.active.h);
4693 }
4694 int getHeight() const override { return mLayer->getDrawingState().active.h; }
4695 int getWidth() const override { return mLayer->getDrawingState().active.w; }
4696 bool isSecure() const override { return false; }
4697 bool needsFiltering() const override { return false; }
Robert Carr578038f2018-03-09 12:25:24 -08004698 const Transform& getTransform() const { return mTransform; }
4699
4700 class ReparentForDrawing {
4701 public:
4702 const sp<Layer>& oldParent;
4703 const sp<Layer>& newParent;
4704
4705 ReparentForDrawing(const sp<Layer>& oldParent, const sp<Layer>& newParent)
4706 : oldParent(oldParent), newParent(newParent) {
4707 oldParent->reparentChildrenForDrawing(newParent);
4708 }
4709 ~ReparentForDrawing() { newParent->reparentChildrenForDrawing(oldParent); }
4710 };
4711
4712 void render(std::function<void()> drawLayers) override {
4713 if (!mChildrenOnly) {
4714 mTransform = mLayer->getTransform().inverse();
4715 drawLayers();
4716 } else {
4717 Rect bounds = getBounds();
4718 screenshotParentLayer =
4719 new ContainerLayer(mFlinger, nullptr, String8("Screenshot Parent"),
4720 bounds.getWidth(), bounds.getHeight(), 0);
4721
4722 ReparentForDrawing reparent(mLayer, screenshotParentLayer);
4723 drawLayers();
4724 }
4725 }
chaviwa76b2712017-09-20 12:02:26 -07004726
chaviw7206d492017-11-10 16:16:12 -08004727 Rect getSourceCrop() const override {
4728 if (mCrop.isEmpty()) {
4729 return getBounds();
4730 } else {
4731 return mCrop;
4732 }
4733 }
chaviwa76b2712017-09-20 12:02:26 -07004734 bool getWideColorSupport() const override { return false; }
Peiyong Lina52f0292018-03-14 17:26:31 -07004735 ColorMode getActiveColorMode() const override { return ColorMode::NATIVE; }
chaviwa76b2712017-09-20 12:02:26 -07004736
4737 private:
chaviw7206d492017-11-10 16:16:12 -08004738 const sp<Layer> mLayer;
4739 const Rect mCrop;
Robert Carr578038f2018-03-09 12:25:24 -08004740
4741 // In the "childrenOnly" case we reparent the children to a screenshot
4742 // layer which has no properties set and which does not draw.
4743 sp<ContainerLayer> screenshotParentLayer;
4744 Transform mTransform;
4745
4746 SurfaceFlinger* mFlinger;
4747 const bool mChildrenOnly;
chaviwa76b2712017-09-20 12:02:26 -07004748 };
4749
4750 auto layerHandle = reinterpret_cast<Layer::Handle*>(layerHandleBinder.get());
4751 auto parent = layerHandle->owner.promote();
4752
chaviw7206d492017-11-10 16:16:12 -08004753 if (parent == nullptr || parent->isPendingRemoval()) {
4754 ALOGE("captureLayers called with a removed parent");
4755 return NAME_NOT_FOUND;
4756 }
4757
Robert Carr578038f2018-03-09 12:25:24 -08004758 const int uid = IPCThreadState::self()->getCallingUid();
4759 const bool forSystem = uid == AID_GRAPHICS || uid == AID_SYSTEM;
4760 if (!forSystem && parent->getCurrentState().flags & layer_state_t::eLayerSecure) {
4761 ALOGW("Attempting to capture secure layer: PERMISSION_DENIED");
4762 return PERMISSION_DENIED;
4763 }
4764
chaviw7206d492017-11-10 16:16:12 -08004765 Rect crop(sourceCrop);
4766 if (sourceCrop.width() <= 0) {
4767 crop.left = 0;
4768 crop.right = parent->getCurrentState().active.w;
4769 }
4770
4771 if (sourceCrop.height() <= 0) {
4772 crop.top = 0;
4773 crop.bottom = parent->getCurrentState().active.h;
4774 }
4775
4776 int32_t reqWidth = crop.width() * frameScale;
4777 int32_t reqHeight = crop.height() * frameScale;
4778
Robert Carr578038f2018-03-09 12:25:24 -08004779 LayerRenderArea renderArea(this, parent, crop, reqWidth, reqHeight, childrenOnly);
chaviw7206d492017-11-10 16:16:12 -08004780
Robert Carr578038f2018-03-09 12:25:24 -08004781 auto traverseLayers = [parent, childrenOnly](const LayerVector::Visitor& visitor) {
chaviwa76b2712017-09-20 12:02:26 -07004782 parent->traverseChildrenInZOrder(LayerVector::StateSet::Drawing, [&](Layer* layer) {
4783 if (!layer->isVisible()) {
4784 return;
Robert Carr578038f2018-03-09 12:25:24 -08004785 } else if (childrenOnly && layer == parent.get()) {
4786 return;
chaviwa76b2712017-09-20 12:02:26 -07004787 }
4788 visitor(layer);
4789 });
4790 };
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004791 return captureScreenCommon(renderArea, traverseLayers, outBuffer, false);
chaviwa76b2712017-09-20 12:02:26 -07004792}
4793
4794status_t SurfaceFlinger::captureScreenCommon(RenderArea& renderArea,
4795 TraverseLayersFunction traverseLayers,
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004796 sp<GraphicBuffer>* outBuffer,
chaviwa76b2712017-09-20 12:02:26 -07004797 bool useIdentityTransform) {
4798 ATRACE_CALL();
Mathias Agopian2a9fc492013-03-01 13:42:57 -08004799
chaviwa76b2712017-09-20 12:02:26 -07004800 renderArea.updateDimensions();
4801
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004802 const uint32_t usage = GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
4803 GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
4804 *outBuffer = new GraphicBuffer(renderArea.getReqWidth(), renderArea.getReqHeight(),
4805 HAL_PIXEL_FORMAT_RGBA_8888, 1, usage, "screenshot");
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004806
4807 // This mutex protects syncFd and captureResult for communication of the return values from the
4808 // main thread back to this Binder thread
4809 std::mutex captureMutex;
4810 std::condition_variable captureCondition;
4811 std::unique_lock<std::mutex> captureLock(captureMutex);
4812 int syncFd = -1;
4813 std::optional<status_t> captureResult;
4814
Robert Carr03480e22018-01-04 16:02:06 -08004815 const int uid = IPCThreadState::self()->getCallingUid();
4816 const bool forSystem = uid == AID_GRAPHICS || uid == AID_SYSTEM;
4817
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004818 sp<LambdaMessage> message = new LambdaMessage([&]() {
4819 // If there is a refresh pending, bug out early and tell the binder thread to try again
4820 // after the refresh.
4821 if (mRefreshPending) {
4822 ATRACE_NAME("Skipping screenshot for now");
4823 std::unique_lock<std::mutex> captureLock(captureMutex);
4824 captureResult = std::make_optional<status_t>(EAGAIN);
4825 captureCondition.notify_one();
4826 return;
4827 }
4828
4829 status_t result = NO_ERROR;
4830 int fd = -1;
4831 {
4832 Mutex::Autolock _l(mStateLock);
Robert Carr578038f2018-03-09 12:25:24 -08004833 renderArea.render([&]() {
4834 result = captureScreenImplLocked(renderArea, traverseLayers, (*outBuffer).get(),
4835 useIdentityTransform, forSystem, &fd);
4836 });
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004837 }
4838
4839 {
4840 std::unique_lock<std::mutex> captureLock(captureMutex);
4841 syncFd = fd;
4842 captureResult = std::make_optional<status_t>(result);
4843 captureCondition.notify_one();
4844 }
4845 });
4846
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004847 status_t result = postMessageAsync(message);
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004848 if (result == NO_ERROR) {
4849 captureCondition.wait(captureLock, [&]() { return captureResult; });
4850 while (*captureResult == EAGAIN) {
4851 captureResult.reset();
4852 result = postMessageAsync(message);
4853 if (result != NO_ERROR) {
4854 return result;
4855 }
4856 captureCondition.wait(captureLock, [&]() { return captureResult; });
4857 }
4858 result = *captureResult;
4859 }
4860
4861 if (result == NO_ERROR) {
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004862 sync_wait(syncFd, -1);
4863 close(syncFd);
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004864 }
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004865
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004866 return result;
Mathias Agopian2a9fc492013-03-01 13:42:57 -08004867}
4868
chaviwa76b2712017-09-20 12:02:26 -07004869void SurfaceFlinger::renderScreenImplLocked(const RenderArea& renderArea,
4870 TraverseLayersFunction traverseLayers, bool yswap,
4871 bool useIdentityTransform) {
Mathias Agopian180f10d2013-04-10 22:55:41 -07004872 ATRACE_CALL();
chaviwa76b2712017-09-20 12:02:26 -07004873
Lloyd Pique144e1162017-12-20 16:44:52 -08004874 auto& engine(getRenderEngine());
Mathias Agopian180f10d2013-04-10 22:55:41 -07004875
4876 // get screen geometry
chaviwa76b2712017-09-20 12:02:26 -07004877 const auto raWidth = renderArea.getWidth();
4878 const auto raHeight = renderArea.getHeight();
4879
4880 const auto reqWidth = renderArea.getReqWidth();
4881 const auto reqHeight = renderArea.getReqHeight();
4882 Rect sourceCrop = renderArea.getSourceCrop();
4883
4884 const bool filtering = static_cast<int32_t>(reqWidth) != raWidth ||
4885 static_cast<int32_t>(reqHeight) != raHeight;
Mathias Agopian180f10d2013-04-10 22:55:41 -07004886
Dan Stozac1879002014-05-22 15:59:05 -07004887 // if a default or invalid sourceCrop is passed in, set reasonable values
chaviwa76b2712017-09-20 12:02:26 -07004888 if (sourceCrop.width() == 0 || sourceCrop.height() == 0 || !sourceCrop.isValid()) {
Dan Stozac1879002014-05-22 15:59:05 -07004889 sourceCrop.setLeftTop(Point(0, 0));
chaviwa76b2712017-09-20 12:02:26 -07004890 sourceCrop.setRightBottom(Point(raWidth, raHeight));
Dan Stozac1879002014-05-22 15:59:05 -07004891 }
4892
4893 // ensure that sourceCrop is inside screen
4894 if (sourceCrop.left < 0) {
4895 ALOGE("Invalid crop rect: l = %d (< 0)", sourceCrop.left);
4896 }
chaviwa76b2712017-09-20 12:02:26 -07004897 if (sourceCrop.right > raWidth) {
4898 ALOGE("Invalid crop rect: r = %d (> %d)", sourceCrop.right, raWidth);
Dan Stozac1879002014-05-22 15:59:05 -07004899 }
4900 if (sourceCrop.top < 0) {
4901 ALOGE("Invalid crop rect: t = %d (< 0)", sourceCrop.top);
4902 }
chaviwa76b2712017-09-20 12:02:26 -07004903 if (sourceCrop.bottom > raHeight) {
4904 ALOGE("Invalid crop rect: b = %d (> %d)", sourceCrop.bottom, raHeight);
Dan Stozac1879002014-05-22 15:59:05 -07004905 }
4906
Chia-I Wu69bf10f2018-02-20 13:04:50 -08004907 android_dataspace outputDataspace = HAL_DATASPACE_UNKNOWN;
Chia-I Wu9a48a8c2018-02-20 14:27:30 -08004908 if (renderArea.getWideColorSupport() &&
Peiyong Lina52f0292018-03-14 17:26:31 -07004909 renderArea.getActiveColorMode() == ColorMode::DISPLAY_P3) {
Chia-I Wu69bf10f2018-02-20 13:04:50 -08004910 outputDataspace = HAL_DATASPACE_DISPLAY_P3;
4911 }
4912 getBE().mRenderEngine->setOutputDataSpace(outputDataspace);
Romain Guy88d37dd2017-05-26 17:57:05 -07004913
Mathias Agopian180f10d2013-04-10 22:55:41 -07004914 // make sure to clear all GL error flags
Mathias Agopian3f844832013-08-07 21:24:32 -07004915 engine.checkErrors();
Mathias Agopian180f10d2013-04-10 22:55:41 -07004916
4917 // set-up our viewport
chaviwa76b2712017-09-20 12:02:26 -07004918 engine.setViewportAndProjection(reqWidth, reqHeight, sourceCrop, raHeight, yswap,
4919 renderArea.getRotationFlags());
Mathias Agopian3f844832013-08-07 21:24:32 -07004920 engine.disableTexturing();
Mathias Agopian180f10d2013-04-10 22:55:41 -07004921
4922 // redraw the screen entirely...
Mathias Agopian3f844832013-08-07 21:24:32 -07004923 engine.clearWithColor(0, 0, 0, 1);
Mathias Agopian180f10d2013-04-10 22:55:41 -07004924
chaviwa76b2712017-09-20 12:02:26 -07004925 traverseLayers([&](Layer* layer) {
4926 if (filtering) layer->setFiltering(true);
David Sodmandc5e0622018-01-05 23:10:57 -08004927 layer->drawNow(renderArea, useIdentityTransform);
chaviwa76b2712017-09-20 12:02:26 -07004928 if (filtering) layer->setFiltering(false);
4929 });
Mathias Agopian180f10d2013-04-10 22:55:41 -07004930}
4931
chaviwa76b2712017-09-20 12:02:26 -07004932status_t SurfaceFlinger::captureScreenImplLocked(const RenderArea& renderArea,
4933 TraverseLayersFunction traverseLayers,
4934 ANativeWindowBuffer* buffer,
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004935 bool useIdentityTransform,
Robert Carr03480e22018-01-04 16:02:06 -08004936 bool forSystem,
chaviwa76b2712017-09-20 12:02:26 -07004937 int* outSyncFd) {
Mathias Agopian2a9fc492013-03-01 13:42:57 -08004938 ATRACE_CALL();
4939
Pablo Ceballosb5b35632016-02-23 11:18:51 -08004940 bool secureLayerIsVisible = false;
chaviwa76b2712017-09-20 12:02:26 -07004941
4942 traverseLayers([&](Layer* layer) {
4943 secureLayerIsVisible = secureLayerIsVisible || (layer->isVisible() && layer->isSecure());
4944 });
Pablo Ceballosb5b35632016-02-23 11:18:51 -08004945
Robert Carr03480e22018-01-04 16:02:06 -08004946 // We allow the system server to take screenshots of secure layers for
4947 // use in situations like the Screen-rotation animation and place
4948 // the impetus on WindowManager to not persist them.
4949 if (secureLayerIsVisible && !forSystem) {
Pablo Ceballosb5b35632016-02-23 11:18:51 -08004950 ALOGW("FB is protected: PERMISSION_DENIED");
4951 return PERMISSION_DENIED;
4952 }
4953
Dan Stozaa9b1aa02017-06-01 14:16:23 -07004954 // this binds the given EGLImage as a framebuffer for the
4955 // duration of this scope.
Lloyd Pique144e1162017-12-20 16:44:52 -08004956 RE::BindNativeBufferAsFramebuffer bufferBond(getRenderEngine(), buffer);
Chia-I Wueadbaa62017-11-09 11:26:15 -08004957 if (bufferBond.getStatus() != NO_ERROR) {
4958 ALOGE("got ANWB binding error while taking screenshot");
Dan Stozaabcda352017-06-01 14:37:39 -07004959 return INVALID_OPERATION;
4960 }
Dan Stozaa9b1aa02017-06-01 14:16:23 -07004961
Dan Stozaabcda352017-06-01 14:37:39 -07004962 // this will in fact render into our dequeued buffer
4963 // via an FBO, which means we didn't have to create
4964 // an EGLSurface and therefore we're not
4965 // dependent on the context's EGLConfig.
chaviwa76b2712017-09-20 12:02:26 -07004966 renderScreenImplLocked(renderArea, traverseLayers, true, useIdentityTransform);
Dan Stozaa9b1aa02017-06-01 14:16:23 -07004967
Dan Stozaabcda352017-06-01 14:37:39 -07004968 if (DEBUG_SCREENSHOTS) {
Chia-I Wu767fcf72017-11-30 22:07:38 -08004969 getRenderEngine().finish();
4970 *outSyncFd = -1;
4971
chaviwa76b2712017-09-20 12:02:26 -07004972 const auto reqWidth = renderArea.getReqWidth();
4973 const auto reqHeight = renderArea.getReqHeight();
4974
Dan Stozaabcda352017-06-01 14:37:39 -07004975 uint32_t* pixels = new uint32_t[reqWidth*reqHeight];
4976 getRenderEngine().readPixels(0, 0, reqWidth, reqHeight, pixels);
chaviwa76b2712017-09-20 12:02:26 -07004977 checkScreenshot(reqWidth, reqHeight, reqWidth, pixels, traverseLayers);
Dan Stozaabcda352017-06-01 14:37:39 -07004978 delete [] pixels;
Chia-I Wu767fcf72017-11-30 22:07:38 -08004979 } else {
4980 base::unique_fd syncFd = getRenderEngine().flush();
4981 if (syncFd < 0) {
4982 getRenderEngine().finish();
4983 }
4984 *outSyncFd = syncFd.release();
Dan Stozaabcda352017-06-01 14:37:39 -07004985 }
4986
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004987 return NO_ERROR;
Mathias Agopian74c40c02010-09-29 13:02:36 -07004988}
4989
Mathias Agopiand5556842013-09-19 17:08:37 -07004990void SurfaceFlinger::checkScreenshot(size_t w, size_t s, size_t h, void const* vaddr,
chaviwa76b2712017-09-20 12:02:26 -07004991 TraverseLayersFunction traverseLayers) {
Mathias Agopianfee2b462013-07-03 12:34:01 -07004992 if (DEBUG_SCREENSHOTS) {
chaviwa76b2712017-09-20 12:02:26 -07004993 for (size_t y = 0; y < h; y++) {
4994 uint32_t const* p = (uint32_t const*)vaddr + y * s;
4995 for (size_t x = 0; x < w; x++) {
Mathias Agopianfee2b462013-07-03 12:34:01 -07004996 if (p[x] != 0xFF000000) return;
4997 }
4998 }
chaviwa76b2712017-09-20 12:02:26 -07004999 ALOGE("*** we just took a black screenshot ***");
Robert Carr1f0a16a2016-10-24 16:27:39 -07005000
Robert Carr2047fae2016-11-28 14:09:09 -08005001 size_t i = 0;
chaviwa76b2712017-09-20 12:02:26 -07005002 traverseLayers([&](Layer* layer) {
Mathias Agopianfee2b462013-07-03 12:34:01 -07005003 const Layer::State& state(layer->getDrawingState());
chaviwa76b2712017-09-20 12:02:26 -07005004 ALOGE("%c index=%zu, name=%s, layerStack=%d, z=%d, visible=%d, flags=%x, alpha=%.3f",
5005 layer->isVisible() ? '+' : '-', i, layer->getName().string(),
5006 layer->getLayerStack(), state.z, layer->isVisible(), state.flags,
5007 static_cast<float>(state.color.a));
5008 i++;
5009 });
Mathias Agopianfee2b462013-07-03 12:34:01 -07005010 }
5011}
5012
Mathias Agopian1b0b30d2010-09-24 11:26:58 -07005013// ---------------------------------------------------------------------------
5014
Dan Stoza412903f2017-04-27 13:42:17 -07005015void SurfaceFlinger::State::traverseInZOrder(const LayerVector::Visitor& visitor) const {
5016 layersSortedByZ.traverseInZOrder(stateSet, visitor);
Mathias Agopian921e6ac2012-07-23 23:11:29 -07005017}
5018
Dan Stoza412903f2017-04-27 13:42:17 -07005019void SurfaceFlinger::State::traverseInReverseZOrder(const LayerVector::Visitor& visitor) const {
5020 layersSortedByZ.traverseInReverseZOrder(stateSet, visitor);
Mathias Agopian921e6ac2012-07-23 23:11:29 -07005021}
5022
chaviwa76b2712017-09-20 12:02:26 -07005023void SurfaceFlinger::traverseLayersInDisplay(const sp<const DisplayDevice>& hw, int32_t minLayerZ,
5024 int32_t maxLayerZ,
5025 const LayerVector::Visitor& visitor) {
5026 // We loop through the first level of layers without traversing,
5027 // as we need to interpret min/max layer Z in the top level Z space.
5028 for (const auto& layer : mDrawingState.layersSortedByZ) {
5029 if (!layer->belongsToDisplay(hw->getLayerStack(), false)) {
5030 continue;
5031 }
5032 const Layer::State& state(layer->getDrawingState());
Chia-I Wuec2d9852017-11-21 09:21:01 -08005033 // relative layers are traversed in Layer::traverseInZOrder
5034 if (state.zOrderRelativeOf != nullptr || state.z < minLayerZ || state.z > maxLayerZ) {
chaviwa76b2712017-09-20 12:02:26 -07005035 continue;
5036 }
5037 layer->traverseInZOrder(LayerVector::StateSet::Drawing, [&](Layer* layer) {
Adrian Roos8acf5a02018-01-17 21:28:19 +01005038 if (!layer->belongsToDisplay(hw->getLayerStack(), false)) {
5039 return;
5040 }
chaviwa76b2712017-09-20 12:02:26 -07005041 if (!layer->isVisible()) {
5042 return;
5043 }
5044 visitor(layer);
5045 });
5046 }
5047}
5048
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08005049}; // namespace android
Mathias Agopian3f844832013-08-07 21:24:32 -07005050
Mathias Agopian3f844832013-08-07 21:24:32 -07005051#if defined(__gl_h_)
5052#error "don't include gl/gl.h in this file"
5053#endif
5054
5055#if defined(__gl2_h_)
5056#error "don't include gl2/gl2.h in this file"
Chia-I Wu767fcf72017-11-30 22:07:38 -08005057#endif