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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
1420 const nsecs_t refreshStartTime = systemTime(SYSTEM_TIME_MONOTONIC);
1421
1422 preComposition(refreshStartTime);
1423 rebuildLayerStacks();
1424
1425 calculateWorkingSet();
1426
Dan Stoza6b9454d2014-11-07 16:00:59 -08001427 if (refreshNeeded) {
David Sodman56912832017-11-28 10:27:38 -08001428
Dan Stoza58784442014-12-02 16:58:17 -08001429 // Signal a refresh if a transaction modified the window state,
1430 // a new buffer was latched, or if HWC has requested a full
1431 // repaint
Dan Stoza6b9454d2014-11-07 16:00:59 -08001432 signalRefresh();
1433 }
1434 break;
1435 }
1436 case MessageQueue::REFRESH: {
1437 handleMessageRefresh();
1438 break;
1439 }
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08001440 }
1441}
1442
Dan Stoza6b9454d2014-11-07 16:00:59 -08001443bool SurfaceFlinger::handleMessageTransaction() {
Fabien Sanglardc8251eb2016-12-07 13:59:48 -08001444 uint32_t transactionFlags = peekTransactionFlags();
Mathias Agopian4fec8732012-06-29 14:12:52 -07001445 if (transactionFlags) {
Mathias Agopian87baae12012-07-31 12:38:26 -07001446 handleTransaction(transactionFlags);
Dan Stoza6b9454d2014-11-07 16:00:59 -08001447 return true;
Mathias Agopian4fec8732012-06-29 14:12:52 -07001448 }
Dan Stoza6b9454d2014-11-07 16:00:59 -08001449 return false;
Mathias Agopian4fec8732012-06-29 14:12:52 -07001450}
1451
Dan Stoza6b9454d2014-11-07 16:00:59 -08001452bool SurfaceFlinger::handleMessageInvalidate() {
Mathias Agopiancd60f992012-08-16 16:28:27 -07001453 ATRACE_CALL();
Dan Stoza6b9454d2014-11-07 16:00:59 -08001454 return handlePageFlip();
Mathias Agopian4fec8732012-06-29 14:12:52 -07001455}
1456
David Sodman56912832017-11-28 10:27:38 -08001457void SurfaceFlinger::calculateWorkingSet() {
1458 ATRACE_CALL();
1459 ALOGV(__FUNCTION__);
1460
1461 // build the h/w work list
1462 if (CC_UNLIKELY(mGeometryInvalid)) {
1463 mGeometryInvalid = false;
1464 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
1465 sp<const DisplayDevice> displayDevice(mDisplays[dpy]);
1466 const auto hwcId = displayDevice->getHwcDisplayId();
1467 if (hwcId >= 0) {
1468 const Vector<sp<Layer>>& currentLayers(
1469 displayDevice->getVisibleLayersSortedByZ());
1470 for (size_t i = 0; i < currentLayers.size(); i++) {
1471 const auto& layer = currentLayers[i];
1472
1473 if (!layer->hasHwcLayer(hwcId)) {
1474 if (!layer->createHwcLayer(getBE().mHwc.get(), hwcId)) {
1475 layer->forceClientComposition(hwcId);
1476 continue;
1477 }
1478 }
1479
1480 layer->setGeometry(displayDevice, i);
1481 if (mDebugDisableHWC || mDebugRegion) {
1482 layer->forceClientComposition(hwcId);
1483 }
1484 }
1485 }
1486 }
1487 }
1488 mat4 colorMatrix = mColorMatrix * computeSaturationMatrix() * mDaltonizer();
1489
1490 // Set the per-frame data
1491 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
1492 auto& displayDevice = mDisplays[displayId];
1493 const auto hwcId = displayDevice->getHwcDisplayId();
1494
1495 if (hwcId < 0) {
1496 continue;
1497 }
1498 if (colorMatrix != mPreviousColorMatrix) {
1499 status_t result = getBE().mHwc->setColorTransform(hwcId, colorMatrix);
1500 ALOGE_IF(result != NO_ERROR, "Failed to set color transform on "
1501 "display %zd: %d", displayId, result);
1502 }
1503 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
1504 if ((layer->getDataSpace() == HAL_DATASPACE_BT2020_PQ ||
1505 layer->getDataSpace() == HAL_DATASPACE_BT2020_ITU_PQ) &&
1506 !displayDevice->getHdrSupport()) {
1507 layer->forceClientComposition(hwcId);
1508 }
1509
1510 if (layer->getForceClientComposition(hwcId)) {
1511 ALOGV("[%s] Requesting Client composition", layer->getName().string());
1512 layer->setCompositionType(hwcId, HWC2::Composition::Client);
1513 continue;
1514 }
1515
1516 layer->setPerFrameData(displayDevice);
1517 }
1518
1519 if (hasWideColorDisplay) {
1520 ColorMode newColorMode;
1521 android_dataspace newDataSpace = HAL_DATASPACE_V0_SRGB;
1522
1523 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
1524 newDataSpace = bestTargetDataSpace(layer->getDataSpace(), newDataSpace,
1525 displayDevice->getHdrSupport());
1526 ALOGV("layer: %s, dataspace: %s (%#x), newDataSpace: %s (%#x)",
1527 layer->getName().string(), dataspaceDetails(layer->getDataSpace()).c_str(),
1528 layer->getDataSpace(), dataspaceDetails(newDataSpace).c_str(), newDataSpace);
1529 }
1530 newColorMode = pickColorMode(newDataSpace);
1531
1532 setActiveColorModeInternal(displayDevice, newColorMode);
1533 }
1534 }
1535
1536 mPreviousColorMatrix = colorMatrix;
1537 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
1538 auto& displayDevice = mDisplays[displayId];
1539 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
1540 auto hwcId = displayDevice->getHwcDisplayId();
1541 layer->getBE().compositionInfo.compositionType = layer->getCompositionType(hwcId);
1542 if (!layer->setHwcLayer(hwcId)) {
1543 ALOGV("Need to create HWCLayer for %s", layer->getName().string());
1544 }
1545 layer->getBE().compositionInfo.hwc.hwid = hwcId;
1546 getBE().mCompositionInfo.push_back(layer->getBE().compositionInfo);
1547 layer->getBE().compositionInfo.hwc.hwcLayer = nullptr;
1548 }
1549 }
1550}
1551
Mathias Agopian4fec8732012-06-29 14:12:52 -07001552void SurfaceFlinger::handleMessageRefresh() {
Mathias Agopiancd60f992012-08-16 16:28:27 -07001553 ATRACE_CALL();
Dan Stoza14cd37c2015-07-09 12:43:33 -07001554
Dan Stoza2b6d38e2017-06-01 16:40:30 -07001555 mRefreshPending = false;
1556
Pablo Ceballos40845df2016-01-25 17:41:15 -08001557 nsecs_t refreshStartTime = systemTime(SYSTEM_TIME_MONOTONIC);
Dan Stoza14cd37c2015-07-09 12:43:33 -07001558
Dan Stoza05dacfb2016-07-01 13:33:38 -07001559 setUpHWComposer();
1560 doDebugFlashRegions();
Adrian Roos1e1a1282017-11-01 19:05:31 +01001561 doTracing("handleRefresh");
Yiwei Zhang7124ad32018-02-21 13:02:45 -08001562 logLayerStats();
Dan Stoza05dacfb2016-07-01 13:33:38 -07001563 doComposition();
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001564 postComposition(refreshStartTime);
Dan Stoza05dacfb2016-07-01 13:33:38 -07001565
David Sodman105b7dc2017-11-04 20:28:14 -07001566 mPreviousPresentFence = getBE().mHwc->getPresentFence(HWC_DISPLAY_PRIMARY);
Dan Stozabfbffeb2016-07-21 14:49:33 -07001567
1568 mHadClientComposition = false;
1569 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
1570 const sp<DisplayDevice>& displayDevice = mDisplays[displayId];
1571 mHadClientComposition = mHadClientComposition ||
David Sodman105b7dc2017-11-04 20:28:14 -07001572 getBE().mHwc->hasClientComposition(displayDevice->getHwcDisplayId());
Dan Stozabfbffeb2016-07-21 14:49:33 -07001573 }
Dan Stoza14cd37c2015-07-09 12:43:33 -07001574
Dan Stoza9e56aa02015-11-02 13:00:03 -08001575 mLayersWithQueuedFrames.clear();
Mathias Agopiancd60f992012-08-16 16:28:27 -07001576}
Mathias Agopian4fec8732012-06-29 14:12:52 -07001577
Mathias Agopiancd60f992012-08-16 16:28:27 -07001578void SurfaceFlinger::doDebugFlashRegions()
1579{
1580 // is debugging enabled
1581 if (CC_LIKELY(!mDebugRegion))
1582 return;
1583
1584 const bool repaintEverything = mRepaintEverything;
1585 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
1586 const sp<DisplayDevice>& hw(mDisplays[dpy]);
Prashant Malani2c9b11f2014-05-25 01:36:31 -07001587 if (hw->isDisplayOn()) {
Mathias Agopiancd60f992012-08-16 16:28:27 -07001588 // transform the dirty region into this screen's coordinate space
1589 const Region dirtyRegion(hw->getDirtyRegion(repaintEverything));
1590 if (!dirtyRegion.isEmpty()) {
1591 // redraw the whole screen
Chia-I Wub02087d2017-11-09 10:19:54 -08001592 doComposeSurfaces(hw);
Mathias Agopiancd60f992012-08-16 16:28:27 -07001593
1594 // and draw the dirty region
Mathias Agopiancd60f992012-08-16 16:28:27 -07001595 const int32_t height = hw->getHeight();
Lloyd Pique144e1162017-12-20 16:44:52 -08001596 auto& engine(getRenderEngine());
Mathias Agopian3f844832013-08-07 21:24:32 -07001597 engine.fillRegionWithColor(dirtyRegion, height, 1, 0, 1, 1);
1598
Mathias Agopianda27af92012-09-13 18:17:13 -07001599 hw->swapBuffers(getHwComposer());
Mathias Agopiancd60f992012-08-16 16:28:27 -07001600 }
1601 }
1602 }
1603
1604 postFramebuffer();
1605
1606 if (mDebugRegion > 1) {
1607 usleep(mDebugRegion * 1000);
1608 }
Mathias Agopianbb53b0e2012-09-24 21:27:29 -07001609
Dan Stoza9e56aa02015-11-02 13:00:03 -08001610 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
Dan Stoza7bdf55a2016-06-17 11:29:01 -07001611 auto& displayDevice = mDisplays[displayId];
1612 if (!displayDevice->isDisplayOn()) {
1613 continue;
1614 }
1615
David Sodman105b7dc2017-11-04 20:28:14 -07001616 status_t result = displayDevice->prepareFrame(*getBE().mHwc);
1617 ALOGE_IF(result != NO_ERROR,
1618 "prepareFrame for display %zd failed:"
1619 " %d (%s)",
1620 displayId, result, strerror(-result));
Mathias Agopianbb53b0e2012-09-24 21:27:29 -07001621 }
Mathias Agopiancd60f992012-08-16 16:28:27 -07001622}
1623
Adrian Roos1e1a1282017-11-01 19:05:31 +01001624void SurfaceFlinger::doTracing(const char* where) {
1625 ATRACE_CALL();
1626 ATRACE_NAME(where);
1627 if (CC_UNLIKELY(mTracing.isEnabled())) {
Jorim Jaggi8e0af362017-11-14 16:28:28 +01001628 mTracing.traceLayers(where, dumpProtoInfo(LayerVector::StateSet::Drawing));
Adrian Roos1e1a1282017-11-01 19:05:31 +01001629 }
1630}
1631
Yiwei Zhang7124ad32018-02-21 13:02:45 -08001632void SurfaceFlinger::logLayerStats() {
1633 ATRACE_CALL();
1634 if (CC_UNLIKELY(mLayerStats.isEnabled())) {
1635 int32_t hwcId = -1;
1636 for (size_t dpy = 0; dpy < mDisplays.size(); ++dpy) {
1637 const sp<const DisplayDevice>& displayDevice(mDisplays[dpy]);
1638 if (displayDevice->isPrimary()) {
1639 hwcId = displayDevice->getHwcDisplayId();
1640 break;
1641 }
1642 }
1643 if (hwcId < 0) {
1644 ALOGE("LayerStats: Hmmm, no primary display?");
1645 return;
1646 }
1647 mLayerStats.logLayerStats(dumpVisibleLayersProtoInfo(hwcId));
1648 }
1649}
1650
Brian Andersond6927fb2016-07-23 23:37:30 -07001651void SurfaceFlinger::preComposition(nsecs_t refreshStartTime)
Mathias Agopiancd60f992012-08-16 16:28:27 -07001652{
Dan Stoza9e56aa02015-11-02 13:00:03 -08001653 ATRACE_CALL();
1654 ALOGV("preComposition");
1655
Mathias Agopiancd60f992012-08-16 16:28:27 -07001656 bool needExtraInvalidate = false;
Robert Carr2047fae2016-11-28 14:09:09 -08001657 mDrawingState.traverseInZOrder([&](Layer* layer) {
1658 if (layer->onPreComposition(refreshStartTime)) {
Mathias Agopiancd60f992012-08-16 16:28:27 -07001659 needExtraInvalidate = true;
1660 }
Robert Carr2047fae2016-11-28 14:09:09 -08001661 });
1662
Mathias Agopiancd60f992012-08-16 16:28:27 -07001663 if (needExtraInvalidate) {
1664 signalLayerUpdate();
1665 }
1666}
1667
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001668void SurfaceFlinger::updateCompositorTiming(
1669 nsecs_t vsyncPhase, nsecs_t vsyncInterval, nsecs_t compositeTime,
1670 std::shared_ptr<FenceTime>& presentFenceTime) {
1671 // Update queue of past composite+present times and determine the
1672 // most recently known composite to present latency.
David Sodman99974d22017-11-28 12:04:33 -08001673 getBE().mCompositePresentTimes.push({compositeTime, presentFenceTime});
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001674 nsecs_t compositeToPresentLatency = -1;
David Sodman99974d22017-11-28 12:04:33 -08001675 while (!getBE().mCompositePresentTimes.empty()) {
1676 SurfaceFlingerBE::CompositePresentTime& cpt = getBE().mCompositePresentTimes.front();
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001677 // Cached values should have been updated before calling this method,
1678 // which helps avoid duplicate syscalls.
1679 nsecs_t displayTime = cpt.display->getCachedSignalTime();
1680 if (displayTime == Fence::SIGNAL_TIME_PENDING) {
1681 break;
1682 }
1683 compositeToPresentLatency = displayTime - cpt.composite;
David Sodman99974d22017-11-28 12:04:33 -08001684 getBE().mCompositePresentTimes.pop();
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001685 }
1686
1687 // Don't let mCompositePresentTimes grow unbounded, just in case.
David Sodman99974d22017-11-28 12:04:33 -08001688 while (getBE().mCompositePresentTimes.size() > 16) {
1689 getBE().mCompositePresentTimes.pop();
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001690 }
1691
Brian Andersond0010582017-03-07 13:20:31 -08001692 setCompositorTimingSnapped(
1693 vsyncPhase, vsyncInterval, compositeToPresentLatency);
1694}
1695
1696void SurfaceFlinger::setCompositorTimingSnapped(nsecs_t vsyncPhase,
1697 nsecs_t vsyncInterval, nsecs_t compositeToPresentLatency) {
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001698 // Integer division and modulo round toward 0 not -inf, so we need to
1699 // treat negative and positive offsets differently.
Brian Andersond0010582017-03-07 13:20:31 -08001700 nsecs_t idealLatency = (sfVsyncPhaseOffsetNs > 0) ?
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001701 (vsyncInterval - (sfVsyncPhaseOffsetNs % vsyncInterval)) :
1702 ((-sfVsyncPhaseOffsetNs) % vsyncInterval);
1703
Brian Andersond0010582017-03-07 13:20:31 -08001704 // Just in case sfVsyncPhaseOffsetNs == -vsyncInterval.
1705 if (idealLatency <= 0) {
1706 idealLatency = vsyncInterval;
1707 }
1708
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001709 // Snap the latency to a value that removes scheduling jitter from the
1710 // composition and present times, which often have >1ms of jitter.
1711 // Reducing jitter is important if an app attempts to extrapolate
1712 // something (such as user input) to an accurate diasplay time.
1713 // Snapping also allows an app to precisely calculate sfVsyncPhaseOffsetNs
1714 // with (presentLatency % interval).
Brian Andersond0010582017-03-07 13:20:31 -08001715 nsecs_t bias = vsyncInterval / 2;
1716 int64_t extraVsyncs =
1717 (compositeToPresentLatency - idealLatency + bias) / vsyncInterval;
1718 nsecs_t snappedCompositeToPresentLatency = (extraVsyncs > 0) ?
1719 idealLatency + (extraVsyncs * vsyncInterval) : idealLatency;
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001720
David Sodman99974d22017-11-28 12:04:33 -08001721 std::lock_guard<std::mutex> lock(getBE().mCompositorTimingLock);
1722 getBE().mCompositorTiming.deadline = vsyncPhase - idealLatency;
1723 getBE().mCompositorTiming.interval = vsyncInterval;
1724 getBE().mCompositorTiming.presentLatency = snappedCompositeToPresentLatency;
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001725}
1726
1727void SurfaceFlinger::postComposition(nsecs_t refreshStartTime)
Mathias Agopiancd60f992012-08-16 16:28:27 -07001728{
Dan Stoza9e56aa02015-11-02 13:00:03 -08001729 ATRACE_CALL();
1730 ALOGV("postComposition");
1731
Brian Anderson3546a3f2016-07-14 11:51:14 -07001732 // Release any buffers which were replaced this frame
Brian Andersonf6386862016-10-31 16:34:13 -07001733 nsecs_t dequeueReadyTime = systemTime();
Brian Anderson3546a3f2016-07-14 11:51:14 -07001734 for (auto& layer : mLayersWithQueuedFrames) {
Brian Andersonf6386862016-10-31 16:34:13 -07001735 layer->releasePendingBuffer(dequeueReadyTime);
Brian Anderson3546a3f2016-07-14 11:51:14 -07001736 }
1737
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07001738 // |mStateLock| not needed as we are on the main thread
1739 const sp<const DisplayDevice> hw(getDefaultDisplayDeviceLocked());
Brian Anderson3d4039d2016-09-23 16:31:30 -07001740
David Sodman73beded2017-11-15 11:56:06 -08001741 getBE().mGlCompositionDoneTimeline.updateSignalTimes();
Brian Anderson3d4039d2016-09-23 16:31:30 -07001742 std::shared_ptr<FenceTime> glCompositionDoneFenceTime;
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08001743 if (hw && getBE().mHwc->hasClientComposition(HWC_DISPLAY_PRIMARY)) {
Brian Anderson3d4039d2016-09-23 16:31:30 -07001744 glCompositionDoneFenceTime =
1745 std::make_shared<FenceTime>(hw->getClientTargetAcquireFence());
David Sodman73beded2017-11-15 11:56:06 -08001746 getBE().mGlCompositionDoneTimeline.push(glCompositionDoneFenceTime);
Brian Anderson3d4039d2016-09-23 16:31:30 -07001747 } else {
1748 glCompositionDoneFenceTime = FenceTime::NO_FENCE;
1749 }
Brian Anderson3d4039d2016-09-23 16:31:30 -07001750
David Sodman73beded2017-11-15 11:56:06 -08001751 getBE().mDisplayTimeline.updateSignalTimes();
David Sodman105b7dc2017-11-04 20:28:14 -07001752 sp<Fence> presentFence = getBE().mHwc->getPresentFence(HWC_DISPLAY_PRIMARY);
Brian Anderson4e606e32017-03-16 15:34:57 -07001753 auto presentFenceTime = std::make_shared<FenceTime>(presentFence);
David Sodman73beded2017-11-15 11:56:06 -08001754 getBE().mDisplayTimeline.push(presentFenceTime);
Brian Anderson3d4039d2016-09-23 16:31:30 -07001755
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001756 nsecs_t vsyncPhase = mPrimaryDispSync.computeNextRefresh(0);
1757 nsecs_t vsyncInterval = mPrimaryDispSync.getPeriod();
1758
1759 // We use the refreshStartTime which might be sampled a little later than
1760 // when we started doing work for this frame, but that should be okay
1761 // since updateCompositorTiming has snapping logic.
1762 updateCompositorTiming(
Brian Anderson4e606e32017-03-16 15:34:57 -07001763 vsyncPhase, vsyncInterval, refreshStartTime, presentFenceTime);
Brian Andersond0010582017-03-07 13:20:31 -08001764 CompositorTiming compositorTiming;
1765 {
David Sodman99974d22017-11-28 12:04:33 -08001766 std::lock_guard<std::mutex> lock(getBE().mCompositorTimingLock);
1767 compositorTiming = getBE().mCompositorTiming;
Brian Andersond0010582017-03-07 13:20:31 -08001768 }
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001769
Robert Carr2047fae2016-11-28 14:09:09 -08001770 mDrawingState.traverseInZOrder([&](Layer* layer) {
1771 bool frameLatched = layer->onPostComposition(glCompositionDoneFenceTime,
Brian Anderson4e606e32017-03-16 15:34:57 -07001772 presentFenceTime, compositorTiming);
Dan Stozae77c7662016-05-13 11:37:28 -07001773 if (frameLatched) {
Robert Carr2047fae2016-11-28 14:09:09 -08001774 recordBufferingStats(layer->getName().string(),
1775 layer->getOccupancyHistory(false));
Dan Stozae77c7662016-05-13 11:37:28 -07001776 }
Robert Carr2047fae2016-11-28 14:09:09 -08001777 });
Jamie Gennis4b0eba92013-02-05 13:30:24 -08001778
Brian Andersonfbc80ae2017-05-26 16:23:54 -07001779 if (presentFenceTime->isValid()) {
1780 if (mPrimaryDispSync.addPresentFence(presentFenceTime)) {
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001781 enableHardwareVsync();
1782 } else {
Jesse Hall948fe0c2013-10-14 12:56:09 -07001783 disableHardwareVsync(false);
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001784 }
1785 }
1786
Fabien Sanglardcbf153b2017-03-10 17:57:12 -08001787 if (!hasSyncFramework) {
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08001788 if (getBE().mHwc->isConnected(HWC_DISPLAY_PRIMARY) && hw->isDisplayOn()) {
Jamie Gennisfaf77cc2013-07-30 15:10:32 -07001789 enableHardwareVsync();
1790 }
1791 }
1792
Jamie Gennis4b0eba92013-02-05 13:30:24 -08001793 if (mAnimCompositionPending) {
1794 mAnimCompositionPending = false;
1795
Brian Anderson4e606e32017-03-16 15:34:57 -07001796 if (presentFenceTime->isValid()) {
Brian Anderson3d4039d2016-09-23 16:31:30 -07001797 mAnimFrameTracker.setActualPresentFence(
Brian Anderson4e606e32017-03-16 15:34:57 -07001798 std::move(presentFenceTime));
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08001799 } else if (getBE().mHwc->isConnected(HWC_DISPLAY_PRIMARY)) {
Jamie Gennis4b0eba92013-02-05 13:30:24 -08001800 // The HWC doesn't support present fences, so use the refresh
1801 // timestamp instead.
Dan Stoza9e56aa02015-11-02 13:00:03 -08001802 nsecs_t presentTime =
David Sodman105b7dc2017-11-04 20:28:14 -07001803 getBE().mHwc->getRefreshTimestamp(HWC_DISPLAY_PRIMARY);
Jamie Gennis4b0eba92013-02-05 13:30:24 -08001804 mAnimFrameTracker.setActualPresentTime(presentTime);
1805 }
1806 mAnimFrameTracker.advanceFrame();
1807 }
Dan Stozab90cf072015-03-05 11:05:59 -08001808
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08001809 if (getBE().mHwc->isConnected(HWC_DISPLAY_PRIMARY) &&
1810 hw->getPowerMode() == HWC_POWER_MODE_OFF) {
Dan Stozab90cf072015-03-05 11:05:59 -08001811 return;
1812 }
1813
1814 nsecs_t currentTime = systemTime();
1815 if (mHasPoweredOff) {
1816 mHasPoweredOff = false;
1817 } else {
David Sodman4a36e932017-11-07 14:29:47 -08001818 nsecs_t elapsedTime = currentTime - getBE().mLastSwapTime;
Brian Anderson0a61b0c2016-12-07 14:55:56 -08001819 size_t numPeriods = static_cast<size_t>(elapsedTime / vsyncInterval);
David Sodman4a36e932017-11-07 14:29:47 -08001820 if (numPeriods < SurfaceFlingerBE::NUM_BUCKETS - 1) {
1821 getBE().mFrameBuckets[numPeriods] += elapsedTime;
Dan Stozab90cf072015-03-05 11:05:59 -08001822 } else {
David Sodman4a36e932017-11-07 14:29:47 -08001823 getBE().mFrameBuckets[SurfaceFlingerBE::NUM_BUCKETS - 1] += elapsedTime;
Dan Stozab90cf072015-03-05 11:05:59 -08001824 }
David Sodman4a36e932017-11-07 14:29:47 -08001825 getBE().mTotalTime += elapsedTime;
Dan Stozab90cf072015-03-05 11:05:59 -08001826 }
David Sodman4a36e932017-11-07 14:29:47 -08001827 getBE().mLastSwapTime = currentTime;
Mathias Agopiancd60f992012-08-16 16:28:27 -07001828}
1829
1830void SurfaceFlinger::rebuildLayerStacks() {
Dan Stoza9e56aa02015-11-02 13:00:03 -08001831 ATRACE_CALL();
1832 ALOGV("rebuildLayerStacks");
1833
Mathias Agopiancd60f992012-08-16 16:28:27 -07001834 // rebuild the visible layer list per screen
Jeff Sharkey76488112017-02-27 14:15:18 -07001835 if (CC_UNLIKELY(mVisibleRegionsDirty)) {
Siarhei Vishniakoufc2589e2017-09-21 15:35:13 -07001836 ATRACE_NAME("rebuildLayerStacks VR Dirty");
Jeff Sharkey76488112017-02-27 14:15:18 -07001837 mVisibleRegionsDirty = false;
1838 invalidateHwcGeometry();
Fabien Sanglard3beb7112017-02-24 17:33:52 -08001839
Jeff Sharkey76488112017-02-27 14:15:18 -07001840 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
1841 Region opaqueRegion;
1842 Region dirtyRegion;
1843 Vector<sp<Layer>> layersSortedByZ;
Chia-I Wu83806892017-11-16 10:50:20 -08001844 Vector<sp<Layer>> layersNeedingFences;
Jeff Sharkey76488112017-02-27 14:15:18 -07001845 const sp<DisplayDevice>& displayDevice(mDisplays[dpy]);
1846 const Transform& tr(displayDevice->getTransform());
1847 const Rect bounds(displayDevice->getBounds());
1848 if (displayDevice->isDisplayOn()) {
Chia-I Wuab0c3192017-08-01 11:29:00 -07001849 computeVisibleRegions(displayDevice, dirtyRegion, opaqueRegion);
Fabien Sanglard3beb7112017-02-24 17:33:52 -08001850
Jeff Sharkey76488112017-02-27 14:15:18 -07001851 mDrawingState.traverseInZOrder([&](Layer* layer) {
Chia-I Wu83806892017-11-16 10:50:20 -08001852 bool hwcLayerDestroyed = false;
Chia-I Wuab0c3192017-08-01 11:29:00 -07001853 if (layer->belongsToDisplay(displayDevice->getLayerStack(),
1854 displayDevice->isPrimary())) {
Jeff Sharkey76488112017-02-27 14:15:18 -07001855 Region drawRegion(tr.transform(
1856 layer->visibleNonTransparentRegion));
1857 drawRegion.andSelf(bounds);
1858 if (!drawRegion.isEmpty()) {
1859 layersSortedByZ.add(layer);
1860 } else {
David Sodman56912832017-11-28 10:27:38 -08001861 if (layer->hasHwcLayer(displayDevice->getHwcDisplayId())) {
1862 // Clear out the HWC layer if this layer was
1863 // previously visible, but no longer is
1864 hwcLayerDestroyed = layer->destroyHwcLayer(
1865 displayDevice->getHwcDisplayId());
1866 }
1867 }
1868 } else {
1869 if (layer->hasHwcLayer(displayDevice->getHwcDisplayId())) {
1870 // WM changes displayDevice->layerStack upon sleep/awake.
1871 // Here we make sure we delete the HWC layers even if
1872 // WM changed their layer stack.
Chia-I Wu83806892017-11-16 10:50:20 -08001873 hwcLayerDestroyed = layer->destroyHwcLayer(
Steven Thomasb02664d2017-07-26 18:48:28 -07001874 displayDevice->getHwcDisplayId());
Jeff Sharkey76488112017-02-27 14:15:18 -07001875 }
Chia-I Wu83806892017-11-16 10:50:20 -08001876 }
1877
1878 // If a layer is not going to get a release fence because
1879 // it is invisible, but it is also going to release its
1880 // old buffer, add it to the list of layers needing
1881 // fences.
1882 if (hwcLayerDestroyed) {
1883 auto found = std::find(mLayersWithQueuedFrames.cbegin(),
1884 mLayersWithQueuedFrames.cend(), layer);
1885 if (found != mLayersWithQueuedFrames.cend()) {
1886 layersNeedingFences.add(layer);
1887 }
Fabien Sanglard3beb7112017-02-24 17:33:52 -08001888 }
Jeff Sharkey76488112017-02-27 14:15:18 -07001889 });
1890 }
1891 displayDevice->setVisibleLayersSortedByZ(layersSortedByZ);
Chia-I Wu83806892017-11-16 10:50:20 -08001892 displayDevice->setLayersNeedingFences(layersNeedingFences);
Jeff Sharkey76488112017-02-27 14:15:18 -07001893 displayDevice->undefinedRegion.set(bounds);
1894 displayDevice->undefinedRegion.subtractSelf(
1895 tr.transform(opaqueRegion));
1896 displayDevice->dirtyRegion.orSelf(dirtyRegion);
Fabien Sanglard3beb7112017-02-24 17:33:52 -08001897 }
Fabien Sanglard3beb7112017-02-24 17:33:52 -08001898 }
Mathias Agopiancd60f992012-08-16 16:28:27 -07001899}
Mathias Agopian3b1d2b62012-07-11 13:48:17 -07001900
Romain Guy0147a172017-06-01 13:53:56 -07001901mat4 SurfaceFlinger::computeSaturationMatrix() const {
1902 if (mSaturation == 1.0f) {
1903 return mat4();
1904 }
1905
1906 // Rec.709 luma coefficients
1907 float3 luminance{0.213f, 0.715f, 0.072f};
1908 luminance *= 1.0f - mSaturation;
1909 return mat4(
1910 vec4{luminance.r + mSaturation, luminance.r, luminance.r, 0.0f},
1911 vec4{luminance.g, luminance.g + mSaturation, luminance.g, 0.0f},
1912 vec4{luminance.b, luminance.b, luminance.b + mSaturation, 0.0f},
1913 vec4{0.0f, 0.0f, 0.0f, 1.0f}
1914 );
1915}
1916
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001917// pickColorMode translates a given dataspace into the best available color mode.
1918// Currently only support sRGB and Display-P3.
Peiyong Lina52f0292018-03-14 17:26:31 -07001919ColorMode SurfaceFlinger::pickColorMode(android_dataspace dataSpace) const {
Romain Guy54f154a2017-10-24 21:40:32 +01001920 if (mForceNativeColorMode) {
Peiyong Lina52f0292018-03-14 17:26:31 -07001921 return ColorMode::NATIVE;
Romain Guy54f154a2017-10-24 21:40:32 +01001922 }
1923
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001924 switch (dataSpace) {
1925 // treat Unknown as regular SRGB buffer, since that's what the rest of the
1926 // system expects.
1927 case HAL_DATASPACE_UNKNOWN:
1928 case HAL_DATASPACE_SRGB:
1929 case HAL_DATASPACE_V0_SRGB:
Peiyong Lina52f0292018-03-14 17:26:31 -07001930 return ColorMode::SRGB;
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001931 break;
1932
1933 case HAL_DATASPACE_DISPLAY_P3:
Peiyong Lina52f0292018-03-14 17:26:31 -07001934 return ColorMode::DISPLAY_P3;
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001935 break;
1936
1937 default:
1938 // TODO (courtneygo): Do we want to assert an error here?
1939 ALOGE("No color mode mapping for %s (%#x)", dataspaceDetails(dataSpace).c_str(),
1940 dataSpace);
Peiyong Lina52f0292018-03-14 17:26:31 -07001941 return ColorMode::SRGB;
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001942 break;
1943 }
1944}
1945
Romain Guy0147a172017-06-01 13:53:56 -07001946android_dataspace SurfaceFlinger::bestTargetDataSpace(
Chia-I Wu5c6e4632018-01-11 08:54:38 -08001947 android_dataspace a, android_dataspace b, bool hasHdr) const {
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001948 // Only support sRGB and Display-P3 right now.
1949 if (a == HAL_DATASPACE_DISPLAY_P3 || b == HAL_DATASPACE_DISPLAY_P3) {
1950 return HAL_DATASPACE_DISPLAY_P3;
1951 }
Romain Guy88d37dd2017-05-26 17:57:05 -07001952 if (a == HAL_DATASPACE_V0_SCRGB_LINEAR || b == HAL_DATASPACE_V0_SCRGB_LINEAR) {
1953 return HAL_DATASPACE_DISPLAY_P3;
1954 }
1955 if (a == HAL_DATASPACE_V0_SCRGB || b == HAL_DATASPACE_V0_SCRGB) {
1956 return HAL_DATASPACE_DISPLAY_P3;
1957 }
Chia-I Wu8d2651e2018-01-24 12:18:49 -08001958 if (!hasHdr) {
1959 if (a == HAL_DATASPACE_BT2020_PQ || b == HAL_DATASPACE_BT2020_PQ) {
1960 return HAL_DATASPACE_DISPLAY_P3;
1961 }
1962 if (a == HAL_DATASPACE_BT2020_ITU_PQ || b == HAL_DATASPACE_BT2020_ITU_PQ) {
1963 return HAL_DATASPACE_DISPLAY_P3;
1964 }
Chia-I Wu5c6e4632018-01-11 08:54:38 -08001965 }
Romain Guy88d37dd2017-05-26 17:57:05 -07001966
Courtney Goeltzenleuchter5d943892017-03-22 13:46:46 -06001967 return HAL_DATASPACE_V0_SRGB;
1968}
1969
David Sodman14fe0362017-12-14 17:31:04 -08001970void SurfaceFlinger::configureHwcCommonData(const CompositionInfo& compositionInfo) const
David Sodman56912832017-11-28 10:27:38 -08001971{
1972 HWC2::Error error;
1973
1974 if (!compositionInfo.hwc.skipGeometry) {
David Sodman14fe0362017-12-14 17:31:04 -08001975 error = (*compositionInfo.hwc.hwcLayer)->setBlendMode(compositionInfo.hwc.blendMode);
1976 ALOGE_IF(error != HWC2::Error::None,
1977 "[SF] Failed to set blend mode %s:"
1978 " %s (%d)",
1979 to_string(compositionInfo.hwc.blendMode).c_str(), to_string(error).c_str(),
1980 static_cast<int32_t>(error));
David Sodman56912832017-11-28 10:27:38 -08001981
David Sodman14fe0362017-12-14 17:31:04 -08001982 error = (*compositionInfo.hwc.hwcLayer)->setDisplayFrame(compositionInfo.hwc.displayFrame);
1983 ALOGE_IF(error != HWC2::Error::None,
1984 "[SF] Failed to set the display frame [%d, %d, %d, %d] %s (%d)",
1985 compositionInfo.hwc.displayFrame.left,
1986 compositionInfo.hwc.displayFrame.right,
1987 compositionInfo.hwc.displayFrame.top,
1988 compositionInfo.hwc.displayFrame.bottom,
1989 to_string(error).c_str(), static_cast<int32_t>(error));
David Sodman56912832017-11-28 10:27:38 -08001990
David Sodman14fe0362017-12-14 17:31:04 -08001991 error = (*compositionInfo.hwc.hwcLayer)->setSourceCrop(compositionInfo.hwc.sourceCrop);
1992 ALOGE_IF(error != HWC2::Error::None,
1993 "[SF] Failed to set source crop [%.3f, %.3f, %.3f, %.3f]: %s (%d)",
1994 compositionInfo.hwc.sourceCrop.left,
1995 compositionInfo.hwc.sourceCrop.right,
1996 compositionInfo.hwc.sourceCrop.top,
1997 compositionInfo.hwc.sourceCrop.bottom,
1998 to_string(error).c_str(), static_cast<int32_t>(error));
David Sodman56912832017-11-28 10:27:38 -08001999
2000 error = (*compositionInfo.hwc.hwcLayer)->setPlaneAlpha(compositionInfo.hwc.alpha);
2001 ALOGE_IF(error != HWC2::Error::None,
2002 "[SF] Failed to set plane alpha %.3f: "
2003 "%s (%d)",
2004 compositionInfo.hwc.alpha,
2005 to_string(error).c_str(), static_cast<int32_t>(error));
2006
2007
2008 error = (*compositionInfo.hwc.hwcLayer)->setZOrder(compositionInfo.hwc.z);
2009 ALOGE_IF(error != HWC2::Error::None,
2010 "[SF] Failed to set Z %u: %s (%d)",
2011 compositionInfo.hwc.z,
2012 to_string(error).c_str(), static_cast<int32_t>(error));
2013
David Sodman14fe0362017-12-14 17:31:04 -08002014 error = (*compositionInfo.hwc.hwcLayer)
2015 ->setInfo(compositionInfo.hwc.type, compositionInfo.hwc.appId);
David Sodman56912832017-11-28 10:27:38 -08002016 ALOGE_IF(error != HWC2::Error::None,
2017 "[SF] Failed to set info (%d)",
2018 static_cast<int32_t>(error));
2019
David Sodman14fe0362017-12-14 17:31:04 -08002020 error = (*compositionInfo.hwc.hwcLayer)->setTransform(compositionInfo.hwc.transform);
David Sodman56912832017-11-28 10:27:38 -08002021 ALOGE_IF(error != HWC2::Error::None,
David Sodman14fe0362017-12-14 17:31:04 -08002022 "[SF] Failed to set transform %s: "
2023 "%s (%d)",
2024 to_string(compositionInfo.hwc.transform).c_str(), to_string(error).c_str(),
2025 static_cast<int32_t>(error));
David Sodman56912832017-11-28 10:27:38 -08002026 }
2027
2028 error = (*compositionInfo.hwc.hwcLayer)->setCompositionType(compositionInfo.compositionType);
2029 ALOGE_IF(error != HWC2::Error::None,
2030 "[SF] Failed to set composition type: %s (%d)",
David Sodman14fe0362017-12-14 17:31:04 -08002031 to_string(error).c_str(), static_cast<int32_t>(error));
David Sodman56912832017-11-28 10:27:38 -08002032
2033 error = (*compositionInfo.hwc.hwcLayer)->setDataspace(compositionInfo.hwc.dataspace);
2034 ALOGE_IF(error != HWC2::Error::None,
2035 "[SF] Failed to set dataspace: %s (%d)",
2036 to_string(error).c_str(), static_cast<int32_t>(error));
2037
2038 error = (*compositionInfo.hwc.hwcLayer)->setHdrMetadata(compositionInfo.hwc.hdrMetadata);
2039 ALOGE_IF(error != HWC2::Error::None && error != HWC2::Error::Unsupported,
2040 "[SF] Failed to set hdrMetadata: %s (%d)",
2041 to_string(error).c_str(), static_cast<int32_t>(error));
2042
David Sodman14fe0362017-12-14 17:31:04 -08002043 error = (*compositionInfo.hwc.hwcLayer)->setColor(compositionInfo.hwc.color);
2044 ALOGE_IF(error != HWC2::Error::None,
2045 "[SF] Failed to set color: %s (%d)",
2046 to_string(error).c_str(), static_cast<int32_t>(error));
2047
2048 error = (*compositionInfo.hwc.hwcLayer)->setVisibleRegion(compositionInfo.hwc.visibleRegion);
2049 ALOGE_IF(error != HWC2::Error::None,
2050 "[SF] Failed to set visible region: %s (%d)",
2051 to_string(error).c_str(), static_cast<int32_t>(error));
2052}
2053
2054void SurfaceFlinger::configureDeviceComposition(const CompositionInfo& compositionInfo) const
2055{
2056 HWC2::Error error;
2057
2058 error = (*compositionInfo.hwc.hwcLayer)->setSurfaceDamage(compositionInfo.hwc.surfaceDamage);
2059 ALOGE_IF(error != HWC2::Error::None,
2060 "[SF] Failed to set surface damage: %s (%d)",
2061 to_string(error).c_str(), static_cast<int32_t>(error));
2062
David Sodman56912832017-11-28 10:27:38 -08002063 if (compositionInfo.updateBuffer) {
2064 error = (*compositionInfo.hwc.hwcLayer)->setBuffer(compositionInfo.mBufferSlot,
2065 compositionInfo.mBuffer, compositionInfo.hwc.fence);
2066 ALOGE_IF(error != HWC2::Error::None,
2067 "[SF] Failed to set buffer: %s (%d)",
2068 to_string(error).c_str(), static_cast<int32_t>(error));
2069 }
2070}
2071
Mathias Agopiancd60f992012-08-16 16:28:27 -07002072void SurfaceFlinger::setUpHWComposer() {
Dan Stoza9e56aa02015-11-02 13:00:03 -08002073 ATRACE_CALL();
2074 ALOGV("setUpHWComposer");
2075
Jesse Hall028dc8f2013-08-20 16:35:32 -07002076 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
Jesse Hallb7a05492014-08-14 15:45:06 -07002077 bool dirty = !mDisplays[dpy]->getDirtyRegion(false).isEmpty();
2078 bool empty = mDisplays[dpy]->getVisibleLayersSortedByZ().size() == 0;
2079 bool wasEmpty = !mDisplays[dpy]->lastCompositionHadVisibleLayers;
2080
2081 // If nothing has changed (!dirty), don't recompose.
2082 // If something changed, but we don't currently have any visible layers,
2083 // and didn't when we last did a composition, then skip it this time.
2084 // The second rule does two things:
2085 // - When all layers are removed from a display, we'll emit one black
2086 // frame, then nothing more until we get new layers.
2087 // - When a display is created with a private layer stack, we won't
2088 // emit any black frames until a layer is added to the layer stack.
2089 bool mustRecompose = dirty && !(empty && wasEmpty);
2090
2091 ALOGV_IF(mDisplays[dpy]->getDisplayType() == DisplayDevice::DISPLAY_VIRTUAL,
2092 "dpy[%zu]: %s composition (%sdirty %sempty %swasEmpty)", dpy,
2093 mustRecompose ? "doing" : "skipping",
2094 dirty ? "+" : "-",
2095 empty ? "+" : "-",
2096 wasEmpty ? "+" : "-");
2097
Dan Stoza71433162014-02-04 16:22:36 -08002098 mDisplays[dpy]->beginFrame(mustRecompose);
Jesse Hallb7a05492014-08-14 15:45:06 -07002099
2100 if (mustRecompose) {
2101 mDisplays[dpy]->lastCompositionHadVisibleLayers = !empty;
2102 }
Jesse Hall028dc8f2013-08-20 16:35:32 -07002103 }
2104
David Sodman56912832017-11-28 10:27:38 -08002105 {
2106 ATRACE_NAME("Programming_HWCOMPOSER");
2107 for (auto compositionInfo : getBE().mCompositionInfo) {
2108 ALOGV("[SF] hwcLayer=%p(%lu), compositionType=%d",
2109 static_cast<HWC2::Layer*>(*compositionInfo.hwc.hwcLayer),
2110 compositionInfo.hwc.hwcLayer.use_count(), compositionInfo.compositionType);
Jamie Gennisa4310c82012-09-25 20:26:00 -07002111
David Sodman56912832017-11-28 10:27:38 -08002112 switch (compositionInfo.compositionType)
2113 {
2114 case HWC2::Composition::Invalid:
David Sodman56912832017-11-28 10:27:38 -08002115 case HWC2::Composition::Client:
David Sodman56912832017-11-28 10:27:38 -08002116 case HWC2::Composition::Cursor:
David Sodman56912832017-11-28 10:27:38 -08002117 case HWC2::Composition::Sideband:
2118 break;
2119
David Sodman14fe0362017-12-14 17:31:04 -08002120 case HWC2::Composition::SolidColor:
2121 configureHwcCommonData(compositionInfo);
2122 break;
2123
David Sodman56912832017-11-28 10:27:38 -08002124 case HWC2::Composition::Device:
David Sodman14fe0362017-12-14 17:31:04 -08002125 configureHwcCommonData(compositionInfo);
David Sodman56912832017-11-28 10:27:38 -08002126 configureDeviceComposition(compositionInfo);
2127 break;
Riley Andrews03414a12014-07-01 14:22:59 -07002128 }
2129 }
David Sodman56912832017-11-28 10:27:38 -08002130 getBE().mCompositionInfo.clear();
David Sodman4b7c4bc2017-11-17 12:13:59 -08002131 }
2132
Dan Stoza9e56aa02015-11-02 13:00:03 -08002133 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
Dan Stoza7bdf55a2016-06-17 11:29:01 -07002134 auto& displayDevice = mDisplays[displayId];
2135 if (!displayDevice->isDisplayOn()) {
2136 continue;
2137 }
2138
David Sodman105b7dc2017-11-04 20:28:14 -07002139 status_t result = displayDevice->prepareFrame(*getBE().mHwc);
Dan Stoza9e56aa02015-11-02 13:00:03 -08002140 ALOGE_IF(result != NO_ERROR, "prepareFrame for display %zd failed:"
2141 " %d (%s)", displayId, result, strerror(-result));
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002142 }
Mathias Agopiancd60f992012-08-16 16:28:27 -07002143}
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002144
Mathias Agopiancd60f992012-08-16 16:28:27 -07002145void SurfaceFlinger::doComposition() {
2146 ATRACE_CALL();
Dan Stoza9e56aa02015-11-02 13:00:03 -08002147 ALOGV("doComposition");
2148
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002149 const bool repaintEverything = android_atomic_and(0, &mRepaintEverything);
Mathias Agopian92a979a2012-08-02 18:32:23 -07002150 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
Mathias Agopian42977342012-08-05 00:40:46 -07002151 const sp<DisplayDevice>& hw(mDisplays[dpy]);
Prashant Malani2c9b11f2014-05-25 01:36:31 -07002152 if (hw->isDisplayOn()) {
Mathias Agopiancd60f992012-08-16 16:28:27 -07002153 // transform the dirty region into this screen's coordinate space
2154 const Region dirtyRegion(hw->getDirtyRegion(repaintEverything));
Mathias Agopian02b95102012-11-05 17:50:57 -08002155
2156 // repaint the framebuffer (if needed)
2157 doDisplayComposition(hw, dirtyRegion);
2158
Mathias Agopiancd60f992012-08-16 16:28:27 -07002159 hw->dirtyRegion.clear();
Chia-I Wub02087d2017-11-09 10:19:54 -08002160 hw->flip();
Mathias Agopian87baae12012-07-31 12:38:26 -07002161 }
Mathias Agopian4fec8732012-06-29 14:12:52 -07002162 }
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002163 postFramebuffer();
Mathias Agopian4fec8732012-06-29 14:12:52 -07002164}
2165
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002166void SurfaceFlinger::postFramebuffer()
2167{
Mathias Agopian841cde52012-03-01 15:44:37 -08002168 ATRACE_CALL();
Dan Stoza9e56aa02015-11-02 13:00:03 -08002169 ALOGV("postFramebuffer");
Mathias Agopianb048cef2012-02-04 15:44:04 -08002170
Mathias Agopiana44b0412011-10-16 18:46:35 -07002171 const nsecs_t now = systemTime();
2172 mDebugInSwapBuffers = now;
Jesse Hallc5c5a142012-07-02 16:49:28 -07002173
Dan Stoza9e56aa02015-11-02 13:00:03 -08002174 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
2175 auto& displayDevice = mDisplays[displayId];
Dan Stoza7bdf55a2016-06-17 11:29:01 -07002176 if (!displayDevice->isDisplayOn()) {
2177 continue;
2178 }
Dan Stoza9e56aa02015-11-02 13:00:03 -08002179 const auto hwcId = displayDevice->getHwcDisplayId();
2180 if (hwcId >= 0) {
David Sodman105b7dc2017-11-04 20:28:14 -07002181 getBE().mHwc->presentAndGetReleaseFences(hwcId);
Mathias Agopian2a231842012-09-24 18:12:35 -07002182 }
Dan Stoza2dc3be82016-04-06 14:05:37 -07002183 displayDevice->onSwapBuffersCompleted();
Chia-I Wu7f402902017-11-09 12:51:10 -08002184 displayDevice->makeCurrent();
Dan Stoza9e56aa02015-11-02 13:00:03 -08002185 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
Chia-I Wu7b549592017-11-15 09:14:57 -08002186 // The layer buffer from the previous frame (if any) is released
2187 // by HWC only when the release fence from this frame (if any) is
2188 // signaled. Always get the release fence from HWC first.
2189 auto hwcLayer = layer->getHwcLayer(hwcId);
David Sodman105b7dc2017-11-04 20:28:14 -07002190 sp<Fence> releaseFence = getBE().mHwc->getLayerReleaseFence(hwcId, hwcLayer);
Chia-I Wu7b549592017-11-15 09:14:57 -08002191
2192 // If the layer was client composited in the previous frame, we
2193 // need to merge with the previous client target acquire fence.
2194 // Since we do not track that, always merge with the current
2195 // client target acquire fence when it is available, even though
2196 // this is suboptimal.
Dan Stoza9e56aa02015-11-02 13:00:03 -08002197 if (layer->getCompositionType(hwcId) == HWC2::Composition::Client) {
Chia-I Wu7b549592017-11-15 09:14:57 -08002198 releaseFence = Fence::merge("LayerRelease", releaseFence,
2199 displayDevice->getClientTargetAcquireFence());
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002200 }
Chia-I Wu7b549592017-11-15 09:14:57 -08002201
David Sodmanb8af7922017-12-21 15:17:55 -08002202 layer->getBE().onLayerDisplayed(releaseFence);
Dan Stoza9e56aa02015-11-02 13:00:03 -08002203 }
Chia-I Wu83806892017-11-16 10:50:20 -08002204
2205 // We've got a list of layers needing fences, that are disjoint with
2206 // displayDevice->getVisibleLayersSortedByZ. The best we can do is to
2207 // supply them with the present fence.
2208 if (!displayDevice->getLayersNeedingFences().isEmpty()) {
David Sodman105b7dc2017-11-04 20:28:14 -07002209 sp<Fence> presentFence = getBE().mHwc->getPresentFence(hwcId);
Chia-I Wu83806892017-11-16 10:50:20 -08002210 for (auto& layer : displayDevice->getLayersNeedingFences()) {
David Sodmanb8af7922017-12-21 15:17:55 -08002211 layer->getBE().onLayerDisplayed(presentFence);
Chia-I Wu83806892017-11-16 10:50:20 -08002212 }
2213 }
2214
Dan Stoza9e56aa02015-11-02 13:00:03 -08002215 if (hwcId >= 0) {
David Sodman105b7dc2017-11-04 20:28:14 -07002216 getBE().mHwc->clearReleaseFences(hwcId);
Jesse Hallef194142012-06-14 14:45:17 -07002217 }
Jamie Gennise8696a42012-01-15 18:54:57 -08002218 }
2219
Mathias Agopiana44b0412011-10-16 18:46:35 -07002220 mLastSwapBufferTime = systemTime() - now;
2221 mDebugInSwapBuffers = 0;
Jamie Gennis6547ff42013-07-16 20:12:42 -07002222
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07002223 // |mStateLock| not needed as we are on the main thread
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08002224 if (getBE().mHwc->isConnected(HWC_DISPLAY_PRIMARY)) {
2225 uint32_t flipCount = getDefaultDisplayDeviceLocked()->getPageFlipCount();
2226 if (flipCount % LOG_FRAME_STATS_PERIOD == 0) {
2227 logFrameStats();
2228 }
Jamie Gennis6547ff42013-07-16 20:12:42 -07002229 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002230}
2231
Mathias Agopian87baae12012-07-31 12:38:26 -07002232void SurfaceFlinger::handleTransaction(uint32_t transactionFlags)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002233{
Mathias Agopian841cde52012-03-01 15:44:37 -08002234 ATRACE_CALL();
2235
Mathias Agopian7cc6df52013-06-05 14:30:54 -07002236 // here we keep a copy of the drawing state (that is the state that's
2237 // going to be overwritten by handleTransactionLocked()) outside of
2238 // mStateLock so that the side-effects of the State assignment
2239 // don't happen with mStateLock held (which can cause deadlocks).
2240 State drawingState(mDrawingState);
2241
Mathias Agopianca4d3602011-05-19 15:38:14 -07002242 Mutex::Autolock _l(mStateLock);
2243 const nsecs_t now = systemTime();
2244 mDebugInTransaction = now;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002245
Mathias Agopianca4d3602011-05-19 15:38:14 -07002246 // Here we're guaranteed that some transaction flags are set
2247 // so we can call handleTransactionLocked() unconditionally.
2248 // We call getTransactionFlags(), which will also clear the flags,
2249 // with mStateLock held to guarantee that mCurrentState won't change
2250 // until the transaction is committed.
Mathias Agopian4da75192010-08-10 17:19:56 -07002251
Mathias Agopiane57f2922012-08-09 16:29:12 -07002252 transactionFlags = getTransactionFlags(eTransactionMask);
Mathias Agopian87baae12012-07-31 12:38:26 -07002253 handleTransactionLocked(transactionFlags);
Mathias Agopiandea20b12011-05-03 17:04:02 -07002254
Mathias Agopianca4d3602011-05-19 15:38:14 -07002255 mLastTransactionTime = systemTime() - now;
2256 mDebugInTransaction = 0;
2257 invalidateHwcGeometry();
2258 // here the transaction has been committed
Mathias Agopian3d579642009-06-04 18:46:21 -07002259}
2260
Lloyd Pique715a2c12017-12-14 17:18:08 -08002261DisplayDevice::DisplayType SurfaceFlinger::determineDisplayType(hwc2_display_t display,
2262 HWC2::Connection connection) const {
2263 // Figure out whether the event is for the primary display or an
2264 // external display by matching the Hwc display id against one for a
2265 // connected display. If we did not find a match, we then check what
2266 // displays are not already connected to determine the type. If we don't
2267 // have a connected primary display, we assume the new display is meant to
2268 // be the primary display, and then if we don't have an external display,
2269 // we assume it is that.
2270 const auto primaryDisplayId =
2271 getBE().mHwc->getHwcDisplayId(DisplayDevice::DISPLAY_PRIMARY);
2272 const auto externalDisplayId =
2273 getBE().mHwc->getHwcDisplayId(DisplayDevice::DISPLAY_EXTERNAL);
2274 if (primaryDisplayId && primaryDisplayId == display) {
2275 return DisplayDevice::DISPLAY_PRIMARY;
2276 } else if (externalDisplayId && externalDisplayId == display) {
2277 return DisplayDevice::DISPLAY_EXTERNAL;
2278 } else if (connection == HWC2::Connection::Connected && !primaryDisplayId) {
2279 return DisplayDevice::DISPLAY_PRIMARY;
2280 } else if (connection == HWC2::Connection::Connected && !externalDisplayId) {
2281 return DisplayDevice::DISPLAY_EXTERNAL;
2282 }
2283
2284 return DisplayDevice::DISPLAY_ID_INVALID;
2285}
2286
Lloyd Piqueba04e622017-12-14 17:11:26 -08002287void SurfaceFlinger::processDisplayHotplugEventsLocked() {
2288 for (const auto& event : mPendingHotplugEvents) {
Lloyd Pique715a2c12017-12-14 17:18:08 -08002289 auto displayType = determineDisplayType(event.display, event.connection);
2290 if (displayType == DisplayDevice::DISPLAY_ID_INVALID) {
2291 ALOGW("Unable to determine the display type for display %" PRIu64, event.display);
2292 continue;
2293 }
Lloyd Piqueba04e622017-12-14 17:11:26 -08002294
2295 if (getBE().mHwc->isUsingVrComposer() && displayType == DisplayDevice::DISPLAY_EXTERNAL) {
2296 ALOGE("External displays are not supported by the vr hardware composer.");
2297 continue;
2298 }
2299
Lloyd Pique715a2c12017-12-14 17:18:08 -08002300 getBE().mHwc->onHotplug(event.display, displayType, event.connection);
Lloyd Piqueba04e622017-12-14 17:11:26 -08002301
2302 if (event.connection == HWC2::Connection::Connected) {
Lloyd Piquefcd86612017-12-14 17:15:36 -08002303 ALOGV("Creating built in display %d", displayType);
2304 ALOGW_IF(mBuiltinDisplays[displayType],
2305 "Overwriting display token for display type %d", displayType);
2306 mBuiltinDisplays[displayType] = new BBinder();
2307 // All non-virtual displays are currently considered secure.
2308 DisplayDeviceState info(displayType, true);
2309 info.displayName = displayType == DisplayDevice::DISPLAY_PRIMARY ?
2310 "Built-in Screen" : "External Screen";
2311 mCurrentState.displays.add(mBuiltinDisplays[displayType], info);
Lloyd Pique4dccc412018-01-22 17:21:36 -08002312 mInterceptor->saveDisplayCreation(info);
Lloyd Piqueba04e622017-12-14 17:11:26 -08002313 } else {
Lloyd Piquefcd86612017-12-14 17:15:36 -08002314 ALOGV("Removing built in display %d", displayType);
Lloyd Piqueba04e622017-12-14 17:11:26 -08002315
Lloyd Piquefcd86612017-12-14 17:15:36 -08002316 ssize_t idx = mCurrentState.displays.indexOfKey(mBuiltinDisplays[displayType]);
2317 if (idx >= 0) {
2318 const DisplayDeviceState& info(mCurrentState.displays.valueAt(idx));
Lloyd Pique4dccc412018-01-22 17:21:36 -08002319 mInterceptor->saveDisplayDeletion(info.displayId);
Lloyd Piquefcd86612017-12-14 17:15:36 -08002320 mCurrentState.displays.removeItemsAt(idx);
2321 }
2322 mBuiltinDisplays[displayType].clear();
Lloyd Piqueba04e622017-12-14 17:11:26 -08002323 }
2324
2325 processDisplayChangesLocked();
2326 }
2327
2328 mPendingHotplugEvents.clear();
2329}
2330
Lloyd Pique347200f2017-12-14 17:00:15 -08002331void SurfaceFlinger::processDisplayChangesLocked() {
2332 // here we take advantage of Vector's copy-on-write semantics to
2333 // improve performance by skipping the transaction entirely when
2334 // know that the lists are identical
2335 const KeyedVector<wp<IBinder>, DisplayDeviceState>& curr(mCurrentState.displays);
2336 const KeyedVector<wp<IBinder>, DisplayDeviceState>& draw(mDrawingState.displays);
2337 if (!curr.isIdenticalTo(draw)) {
2338 mVisibleRegionsDirty = true;
2339 const size_t cc = curr.size();
2340 size_t dc = draw.size();
2341
2342 // find the displays that were removed
2343 // (ie: in drawing state but not in current state)
2344 // also handle displays that changed
2345 // (ie: displays that are in both lists)
2346 for (size_t i = 0; i < dc;) {
2347 const ssize_t j = curr.indexOfKey(draw.keyAt(i));
2348 if (j < 0) {
2349 // in drawing state but not in current state
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08002350 // Call makeCurrent() on the primary display so we can
2351 // be sure that nothing associated with this display
2352 // is current.
2353 const sp<const DisplayDevice> defaultDisplay(getDefaultDisplayDeviceLocked());
2354 if (defaultDisplay != nullptr) defaultDisplay->makeCurrent();
2355 sp<DisplayDevice> hw(getDisplayDeviceLocked(draw.keyAt(i)));
2356 if (hw != nullptr) hw->disconnect(getHwComposer());
2357 if (draw[i].type < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES)
2358 mEventThread->onHotplugReceived(draw[i].type, false);
2359 mDisplays.removeItem(draw.keyAt(i));
Lloyd Pique347200f2017-12-14 17:00:15 -08002360 } else {
2361 // this display is in both lists. see if something changed.
2362 const DisplayDeviceState& state(curr[j]);
2363 const wp<IBinder>& display(curr.keyAt(j));
2364 const sp<IBinder> state_binder = IInterface::asBinder(state.surface);
2365 const sp<IBinder> draw_binder = IInterface::asBinder(draw[i].surface);
2366 if (state_binder != draw_binder) {
2367 // changing the surface is like destroying and
2368 // recreating the DisplayDevice, so we just remove it
2369 // from the drawing state, so that it get re-added
2370 // below.
2371 sp<DisplayDevice> hw(getDisplayDeviceLocked(display));
2372 if (hw != nullptr) hw->disconnect(getHwComposer());
2373 mDisplays.removeItem(display);
2374 mDrawingState.displays.removeItemsAt(i);
2375 dc--;
2376 // at this point we must loop to the next item
2377 continue;
2378 }
2379
2380 const sp<DisplayDevice> disp(getDisplayDeviceLocked(display));
2381 if (disp != nullptr) {
2382 if (state.layerStack != draw[i].layerStack) {
2383 disp->setLayerStack(state.layerStack);
2384 }
2385 if ((state.orientation != draw[i].orientation) ||
2386 (state.viewport != draw[i].viewport) || (state.frame != draw[i].frame)) {
2387 disp->setProjection(state.orientation, state.viewport, state.frame);
2388 }
2389 if (state.width != draw[i].width || state.height != draw[i].height) {
2390 disp->setDisplaySize(state.width, state.height);
2391 }
2392 }
2393 }
2394 ++i;
2395 }
2396
2397 // find displays that were added
2398 // (ie: in current state but not in drawing state)
2399 for (size_t i = 0; i < cc; i++) {
2400 if (draw.indexOfKey(curr.keyAt(i)) < 0) {
2401 const DisplayDeviceState& state(curr[i]);
2402
2403 sp<DisplaySurface> dispSurface;
2404 sp<IGraphicBufferProducer> producer;
2405 sp<IGraphicBufferProducer> bqProducer;
2406 sp<IGraphicBufferConsumer> bqConsumer;
Lloyd Pique12eb4232018-01-17 11:54:43 -08002407 mCreateBufferQueue(&bqProducer, &bqConsumer, false);
Lloyd Pique347200f2017-12-14 17:00:15 -08002408
2409 int32_t hwcId = -1;
2410 if (state.isVirtualDisplay()) {
2411 // Virtual displays without a surface are dormant:
2412 // they have external state (layer stack, projection,
2413 // etc.) but no internal state (i.e. a DisplayDevice).
2414 if (state.surface != nullptr) {
2415 // Allow VR composer to use virtual displays.
2416 if (mUseHwcVirtualDisplays || getBE().mHwc->isUsingVrComposer()) {
2417 int width = 0;
2418 int status = state.surface->query(NATIVE_WINDOW_WIDTH, &width);
2419 ALOGE_IF(status != NO_ERROR, "Unable to query width (%d)", status);
2420 int height = 0;
2421 status = state.surface->query(NATIVE_WINDOW_HEIGHT, &height);
2422 ALOGE_IF(status != NO_ERROR, "Unable to query height (%d)", status);
2423 int intFormat = 0;
2424 status = state.surface->query(NATIVE_WINDOW_FORMAT, &intFormat);
2425 ALOGE_IF(status != NO_ERROR, "Unable to query format (%d)", status);
2426 auto format = static_cast<android_pixel_format_t>(intFormat);
2427
2428 getBE().mHwc->allocateVirtualDisplay(width, height, &format, &hwcId);
2429 }
2430
2431 // TODO: Plumb requested format back up to consumer
2432
2433 sp<VirtualDisplaySurface> vds =
2434 new VirtualDisplaySurface(*getBE().mHwc, hwcId, state.surface,
2435 bqProducer, bqConsumer,
2436 state.displayName);
2437
2438 dispSurface = vds;
2439 producer = vds;
2440 }
2441 } else {
2442 ALOGE_IF(state.surface != nullptr,
2443 "adding a supported display, but rendering "
2444 "surface is provided (%p), ignoring it",
2445 state.surface.get());
2446
2447 hwcId = state.type;
2448 dispSurface = new FramebufferSurface(*getBE().mHwc, hwcId, bqConsumer);
2449 producer = bqProducer;
2450 }
2451
2452 const wp<IBinder>& display(curr.keyAt(i));
Lloyd Piquefcd86612017-12-14 17:15:36 -08002453
Lloyd Pique347200f2017-12-14 17:00:15 -08002454 if (dispSurface != nullptr) {
Chia-I Wu4b0e4dd2018-02-20 13:04:55 -08002455 bool hasWideColorSupport = false;
2456 if (hasWideColorDisplay) {
Peiyong Lina52f0292018-03-14 17:26:31 -07002457 std::vector<ColorMode> modes =
Lloyd Piquefcd86612017-12-14 17:15:36 -08002458 getHwComposer().getColorModes(state.type);
Peiyong Lina52f0292018-03-14 17:26:31 -07002459 for (ColorMode colorMode : modes) {
Lloyd Piquefcd86612017-12-14 17:15:36 -08002460 switch (colorMode) {
Peiyong Lina52f0292018-03-14 17:26:31 -07002461 case ColorMode::DISPLAY_P3:
2462 case ColorMode::ADOBE_RGB:
2463 case ColorMode::DCI_P3:
Chia-I Wu4b0e4dd2018-02-20 13:04:55 -08002464 hasWideColorSupport = true;
Lloyd Piquefcd86612017-12-14 17:15:36 -08002465 break;
2466 default:
2467 break;
2468 }
2469 }
Lloyd Piquefcd86612017-12-14 17:15:36 -08002470 }
2471
Chia-I Wu5c6e4632018-01-11 08:54:38 -08002472 bool hasHdrSupport = false;
2473 std::unique_ptr<HdrCapabilities> hdrCapabilities =
2474 getHwComposer().getHdrCapabilities(state.type);
2475 if (hdrCapabilities) {
2476 const std::vector<int32_t> types = hdrCapabilities->getSupportedHdrTypes();
2477 auto iter = std::find(types.cbegin(), types.cend(), HAL_HDR_HDR10);
2478 hasHdrSupport = iter != types.cend();
2479 }
2480
Lloyd Pique347200f2017-12-14 17:00:15 -08002481 sp<DisplayDevice> hw =
2482 new DisplayDevice(this, state.type, hwcId, state.isSecure, display,
Chia-I Wu4b0e4dd2018-02-20 13:04:55 -08002483 dispSurface, producer, hasWideColorSupport,
Chia-I Wu5c6e4632018-01-11 08:54:38 -08002484 hasHdrSupport);
Lloyd Piquefcd86612017-12-14 17:15:36 -08002485
Peiyong Lina52f0292018-03-14 17:26:31 -07002486 ColorMode defaultColorMode = ColorMode::NATIVE;
Chia-I Wu4b0e4dd2018-02-20 13:04:55 -08002487 if (hasWideColorSupport) {
Peiyong Lina52f0292018-03-14 17:26:31 -07002488 defaultColorMode = ColorMode::SRGB;
Lloyd Piquefcd86612017-12-14 17:15:36 -08002489 }
Lloyd Piquec5208312018-01-08 17:59:02 -08002490 setActiveColorModeInternal(hw, defaultColorMode);
2491 hw->setCompositionDataSpace(HAL_DATASPACE_UNKNOWN);
Lloyd Pique347200f2017-12-14 17:00:15 -08002492 hw->setLayerStack(state.layerStack);
2493 hw->setProjection(state.orientation, state.viewport, state.frame);
2494 hw->setDisplayName(state.displayName);
Lloyd Piquec5208312018-01-08 17:59:02 -08002495
Lloyd Pique347200f2017-12-14 17:00:15 -08002496 mDisplays.add(display, hw);
2497 if (!state.isVirtualDisplay()) {
2498 mEventThread->onHotplugReceived(state.type, true);
2499 }
2500 }
2501 }
2502 }
2503 }
Lloyd Piqueba04e622017-12-14 17:11:26 -08002504
2505 mDrawingState.displays = mCurrentState.displays;
Lloyd Pique347200f2017-12-14 17:00:15 -08002506}
2507
Mathias Agopian87baae12012-07-31 12:38:26 -07002508void SurfaceFlinger::handleTransactionLocked(uint32_t transactionFlags)
Mathias Agopian3d579642009-06-04 18:46:21 -07002509{
Dan Stoza7dde5992015-05-22 09:51:44 -07002510 // Notify all layers of available frames
Robert Carr2047fae2016-11-28 14:09:09 -08002511 mCurrentState.traverseInZOrder([](Layer* layer) {
2512 layer->notifyAvailableFrames();
2513 });
Dan Stoza7dde5992015-05-22 09:51:44 -07002514
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002515 /*
2516 * Traversal of the children
2517 * (perform the transaction for each of them if needed)
2518 */
2519
Mathias Agopian3559b072012-08-15 13:46:03 -07002520 if (transactionFlags & eTraversalNeeded) {
Robert Carr2047fae2016-11-28 14:09:09 -08002521 mCurrentState.traverseInZOrder([&](Layer* layer) {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002522 uint32_t trFlags = layer->getTransactionFlags(eTransactionNeeded);
Robert Carr2047fae2016-11-28 14:09:09 -08002523 if (!trFlags) return;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002524
2525 const uint32_t flags = layer->doTransaction(0);
2526 if (flags & Layer::eVisibleRegion)
2527 mVisibleRegionsDirty = true;
Robert Carr2047fae2016-11-28 14:09:09 -08002528 });
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002529 }
2530
2531 /*
Mathias Agopian3559b072012-08-15 13:46:03 -07002532 * Perform display own transactions if needed
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002533 */
2534
Mathias Agopiane57f2922012-08-09 16:29:12 -07002535 if (transactionFlags & eDisplayTransactionNeeded) {
Lloyd Pique347200f2017-12-14 17:00:15 -08002536 processDisplayChangesLocked();
Lloyd Piqueba04e622017-12-14 17:11:26 -08002537 processDisplayHotplugEventsLocked();
Mathias Agopian3559b072012-08-15 13:46:03 -07002538 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002539
Mathias Agopian84300952012-11-21 16:02:13 -08002540 if (transactionFlags & (eTraversalNeeded|eDisplayTransactionNeeded)) {
2541 // The transform hint might have changed for some layers
2542 // (either because a display has changed, or because a layer
2543 // as changed).
2544 //
2545 // Walk through all the layers in currentLayers,
2546 // and update their transform hint.
2547 //
2548 // If a layer is visible only on a single display, then that
2549 // display is used to calculate the hint, otherwise we use the
2550 // default display.
2551 //
2552 // NOTE: we do this here, rather than in rebuildLayerStacks() so that
2553 // the hint is set before we acquire a buffer from the surface texture.
2554 //
2555 // NOTE: layer transactions have taken place already, so we use their
2556 // drawing state. However, SurfaceFlinger's own transaction has not
2557 // happened yet, so we must use the current state layer list
2558 // (soon to become the drawing state list).
2559 //
2560 sp<const DisplayDevice> disp;
2561 uint32_t currentlayerStack = 0;
Robert Carr2047fae2016-11-28 14:09:09 -08002562 bool first = true;
2563 mCurrentState.traverseInZOrder([&](Layer* layer) {
Mathias Agopian84300952012-11-21 16:02:13 -08002564 // NOTE: we rely on the fact that layers are sorted by
2565 // layerStack first (so we don't have to traverse the list
2566 // of displays for every layer).
Robert Carr1f0a16a2016-10-24 16:27:39 -07002567 uint32_t layerStack = layer->getLayerStack();
Robert Carr2047fae2016-11-28 14:09:09 -08002568 if (first || currentlayerStack != layerStack) {
Mathias Agopian84300952012-11-21 16:02:13 -08002569 currentlayerStack = layerStack;
2570 // figure out if this layerstack is mirrored
2571 // (more than one display) if so, pick the default display,
2572 // if not, pick the only display it's on.
2573 disp.clear();
2574 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
2575 sp<const DisplayDevice> hw(mDisplays[dpy]);
Chia-I Wuab0c3192017-08-01 11:29:00 -07002576 if (layer->belongsToDisplay(hw->getLayerStack(), hw->isPrimary())) {
Peiyong Lin566a3b42018-01-09 18:22:43 -08002577 if (disp == nullptr) {
George Burgess IV406a2852017-08-29 17:57:25 -07002578 disp = std::move(hw);
Mathias Agopian84300952012-11-21 16:02:13 -08002579 } else {
Peiyong Lin566a3b42018-01-09 18:22:43 -08002580 disp = nullptr;
Mathias Agopian84300952012-11-21 16:02:13 -08002581 break;
2582 }
2583 }
2584 }
2585 }
Chet Haase91d25932013-04-11 15:24:55 -07002586
Robert Carr56a0b9a2017-12-04 16:06:13 -08002587 if (transactionFlags & eDisplayTransactionNeeded) {
Peiyong Lin566a3b42018-01-09 18:22:43 -08002588 if (disp == nullptr) {
Robert Carr56a0b9a2017-12-04 16:06:13 -08002589 // NOTE: TEMPORARY FIX ONLY. Real fix should cause layers to
2590 // redraw after transform hint changes. See bug 8508397.
2591
2592 // could be null when this layer is using a layerStack
2593 // that is not visible on any display. Also can occur at
2594 // screen off/on times.
2595 disp = getDefaultDisplayDeviceLocked();
2596 }
2597 layer->updateTransformHint(disp);
Mathias Agopian84300952012-11-21 16:02:13 -08002598 }
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08002599 if (disp != nullptr) {
2600 layer->updateTransformHint(disp);
2601 }
Robert Carr2047fae2016-11-28 14:09:09 -08002602
2603 first = false;
2604 });
Mathias Agopian84300952012-11-21 16:02:13 -08002605 }
2606
2607
Mathias Agopian3559b072012-08-15 13:46:03 -07002608 /*
2609 * Perform our own transaction if needed
2610 */
Robert Carr1f0a16a2016-10-24 16:27:39 -07002611
2612 if (mLayersAdded) {
2613 mLayersAdded = false;
2614 // Layers have been added.
Mathias Agopian3559b072012-08-15 13:46:03 -07002615 mVisibleRegionsDirty = true;
2616 }
2617
2618 // some layers might have been removed, so
2619 // we need to update the regions they're exposing.
2620 if (mLayersRemoved) {
2621 mLayersRemoved = false;
2622 mVisibleRegionsDirty = true;
Robert Carr2047fae2016-11-28 14:09:09 -08002623 mDrawingState.traverseInZOrder([&](Layer* layer) {
Robert Carr1f0a16a2016-10-24 16:27:39 -07002624 if (mLayersPendingRemoval.indexOf(layer) >= 0) {
Mathias Agopian3559b072012-08-15 13:46:03 -07002625 // this layer is not visible anymore
2626 // TODO: we could traverse the tree from front to back and
2627 // compute the actual visible region
2628 // TODO: we could cache the transformed region
Robert Carr1f0a16a2016-10-24 16:27:39 -07002629 Region visibleReg;
2630 visibleReg.set(layer->computeScreenBounds());
Chia-I Wuab0c3192017-08-01 11:29:00 -07002631 invalidateLayerStack(layer, visibleReg);
Mathias Agopian0aa758d2009-04-22 15:23:34 -07002632 }
Robert Carr2047fae2016-11-28 14:09:09 -08002633 });
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002634 }
2635
2636 commitTransaction();
Riley Andrews03414a12014-07-01 14:22:59 -07002637
2638 updateCursorAsync();
2639}
2640
2641void SurfaceFlinger::updateCursorAsync()
2642{
Dan Stoza9e56aa02015-11-02 13:00:03 -08002643 for (size_t displayId = 0; displayId < mDisplays.size(); ++displayId) {
2644 auto& displayDevice = mDisplays[displayId];
2645 if (displayDevice->getHwcDisplayId() < 0) {
Riley Andrews03414a12014-07-01 14:22:59 -07002646 continue;
2647 }
Dan Stoza9e56aa02015-11-02 13:00:03 -08002648
2649 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
2650 layer->updateCursorPosition(displayDevice);
Riley Andrews03414a12014-07-01 14:22:59 -07002651 }
2652 }
Mathias Agopian4fec8732012-06-29 14:12:52 -07002653}
2654
2655void SurfaceFlinger::commitTransaction()
2656{
Steve Pfetsch598f6d52016-10-25 21:47:58 +00002657 if (!mLayersPendingRemoval.isEmpty()) {
Mathias Agopian4fec8732012-06-29 14:12:52 -07002658 // Notify removed layers now that they can't be drawn from
Robert Carr1f0a16a2016-10-24 16:27:39 -07002659 for (const auto& l : mLayersPendingRemoval) {
2660 recordBufferingStats(l->getName().string(),
2661 l->getOccupancyHistory(true));
2662 l->onRemoved();
Mathias Agopian4fec8732012-06-29 14:12:52 -07002663 }
2664 mLayersPendingRemoval.clear();
2665 }
2666
Jamie Gennis4b0eba92013-02-05 13:30:24 -08002667 // If this transaction is part of a window animation then the next frame
2668 // we composite should be considered an animation as well.
2669 mAnimCompositionPending = mAnimTransactionPending;
2670
Mathias Agopian4fec8732012-06-29 14:12:52 -07002671 mDrawingState = mCurrentState;
Robert Carr1f0a16a2016-10-24 16:27:39 -07002672 mDrawingState.traverseInZOrder([](Layer* layer) {
2673 layer->commitChildList();
2674 });
Jamie Gennis2d5e2302012-10-15 18:24:43 -07002675 mTransactionPending = false;
2676 mAnimTransactionPending = false;
Mathias Agopian4fec8732012-06-29 14:12:52 -07002677 mTransactionCV.broadcast();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002678}
2679
Chia-I Wuab0c3192017-08-01 11:29:00 -07002680void SurfaceFlinger::computeVisibleRegions(const sp<const DisplayDevice>& displayDevice,
Mathias Agopian87baae12012-07-31 12:38:26 -07002681 Region& outDirtyRegion, Region& outOpaqueRegion)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002682{
Mathias Agopian841cde52012-03-01 15:44:37 -08002683 ATRACE_CALL();
Dan Stoza9e56aa02015-11-02 13:00:03 -08002684 ALOGV("computeVisibleRegions");
Mathias Agopian841cde52012-03-01 15:44:37 -08002685
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002686 Region aboveOpaqueLayers;
2687 Region aboveCoveredLayers;
2688 Region dirty;
2689
Mathias Agopian87baae12012-07-31 12:38:26 -07002690 outDirtyRegion.clear();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002691
Robert Carr2047fae2016-11-28 14:09:09 -08002692 mDrawingState.traverseInReverseZOrder([&](Layer* layer) {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002693 // start with the whole surface at its current location
Mathias Agopian1eae0ee2013-06-05 16:59:15 -07002694 const Layer::State& s(layer->getDrawingState());
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002695
Jesse Hall01e29052013-02-19 16:13:35 -08002696 // only consider the layers on the given layer stack
Chia-I Wuab0c3192017-08-01 11:29:00 -07002697 if (!layer->belongsToDisplay(displayDevice->getLayerStack(), displayDevice->isPrimary()))
Robert Carr2047fae2016-11-28 14:09:09 -08002698 return;
Mathias Agopian87baae12012-07-31 12:38:26 -07002699
Mathias Agopianab028732010-03-16 16:41:46 -07002700 /*
2701 * opaqueRegion: area of a surface that is fully opaque.
2702 */
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002703 Region opaqueRegion;
Mathias Agopianab028732010-03-16 16:41:46 -07002704
2705 /*
2706 * visibleRegion: area of a surface that is visible on screen
2707 * and not fully transparent. This is essentially the layer's
2708 * footprint minus the opaque regions above it.
2709 * Areas covered by a translucent surface are considered visible.
2710 */
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002711 Region visibleRegion;
Mathias Agopianab028732010-03-16 16:41:46 -07002712
2713 /*
2714 * coveredRegion: area of a surface that is covered by all
2715 * visible regions above it (which includes the translucent areas).
2716 */
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002717 Region coveredRegion;
Mathias Agopianab028732010-03-16 16:41:46 -07002718
Jesse Halla8026d22012-09-25 13:25:04 -07002719 /*
2720 * transparentRegion: area of a surface that is hinted to be completely
2721 * transparent. This is only used to tell when the layer has no visible
2722 * non-transparent regions and can be removed from the layer list. It
2723 * does not affect the visibleRegion of this layer or any layers
2724 * beneath it. The hint may not be correct if apps don't respect the
2725 * SurfaceView restrictions (which, sadly, some don't).
2726 */
2727 Region transparentRegion;
2728
Mathias Agopianab028732010-03-16 16:41:46 -07002729
2730 // handle hidden surfaces by setting the visible region to empty
Mathias Agopianda27af92012-09-13 18:17:13 -07002731 if (CC_LIKELY(layer->isVisible())) {
Andy McFadden4125a4f2014-01-29 17:17:11 -08002732 const bool translucent = !layer->isOpaque(s);
Robert Carr1f0a16a2016-10-24 16:27:39 -07002733 Rect bounds(layer->computeScreenBounds());
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002734 visibleRegion.set(bounds);
Robert Carr1f0a16a2016-10-24 16:27:39 -07002735 Transform tr = layer->getTransform();
Mathias Agopianab028732010-03-16 16:41:46 -07002736 if (!visibleRegion.isEmpty()) {
2737 // Remove the transparent area from the visible region
2738 if (translucent) {
Dan Stoza22f7fc42016-05-10 16:19:53 -07002739 if (tr.preserveRects()) {
2740 // transform the transparent region
2741 transparentRegion = tr.transform(s.activeTransparentRegion);
Mathias Agopian4fec8732012-06-29 14:12:52 -07002742 } else {
Dan Stoza22f7fc42016-05-10 16:19:53 -07002743 // transformation too complex, can't do the
2744 // transparent region optimization.
2745 transparentRegion.clear();
Mathias Agopian4fec8732012-06-29 14:12:52 -07002746 }
Mathias Agopianab028732010-03-16 16:41:46 -07002747 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002748
Mathias Agopianab028732010-03-16 16:41:46 -07002749 // compute the opaque region
Robert Carr1f0a16a2016-10-24 16:27:39 -07002750 const int32_t layerOrientation = tr.getOrientation();
Jorim Jaggi039bbb82017-09-06 18:12:05 +02002751 if (layer->getAlpha() == 1.0f && !translucent &&
Mathias Agopianab028732010-03-16 16:41:46 -07002752 ((layerOrientation & Transform::ROT_INVALID) == false)) {
2753 // the opaque region is the layer's footprint
2754 opaqueRegion = visibleRegion;
2755 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002756 }
2757 }
2758
Robert Carre5f4f692018-01-12 13:12:28 -08002759 if (visibleRegion.isEmpty()) {
2760 layer->clearVisibilityRegions();
2761 return;
2762 }
2763
Mathias Agopianab028732010-03-16 16:41:46 -07002764 // Clip the covered region to the visible region
2765 coveredRegion = aboveCoveredLayers.intersect(visibleRegion);
2766
2767 // Update aboveCoveredLayers for next (lower) layer
2768 aboveCoveredLayers.orSelf(visibleRegion);
2769
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002770 // subtract the opaque region covered by the layers above us
2771 visibleRegion.subtractSelf(aboveOpaqueLayers);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002772
2773 // compute this layer's dirty region
2774 if (layer->contentDirty) {
2775 // we need to invalidate the whole region
2776 dirty = visibleRegion;
2777 // as well, as the old visible region
Mathias Agopian4fec8732012-06-29 14:12:52 -07002778 dirty.orSelf(layer->visibleRegion);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002779 layer->contentDirty = false;
2780 } else {
Mathias Agopiana8d44f72009-06-28 02:54:16 -07002781 /* compute the exposed region:
Mathias Agopianab028732010-03-16 16:41:46 -07002782 * the exposed region consists of two components:
2783 * 1) what's VISIBLE now and was COVERED before
2784 * 2) what's EXPOSED now less what was EXPOSED before
2785 *
2786 * note that (1) is conservative, we start with the whole
2787 * visible region but only keep what used to be covered by
2788 * something -- which mean it may have been exposed.
2789 *
2790 * (2) handles areas that were not covered by anything but got
2791 * exposed because of a resize.
Mathias Agopiana8d44f72009-06-28 02:54:16 -07002792 */
Mathias Agopianab028732010-03-16 16:41:46 -07002793 const Region newExposed = visibleRegion - coveredRegion;
Mathias Agopian4fec8732012-06-29 14:12:52 -07002794 const Region oldVisibleRegion = layer->visibleRegion;
2795 const Region oldCoveredRegion = layer->coveredRegion;
Mathias Agopianab028732010-03-16 16:41:46 -07002796 const Region oldExposed = oldVisibleRegion - oldCoveredRegion;
2797 dirty = (visibleRegion&oldCoveredRegion) | (newExposed-oldExposed);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002798 }
2799 dirty.subtractSelf(aboveOpaqueLayers);
2800
2801 // accumulate to the screen dirty region
Mathias Agopian87baae12012-07-31 12:38:26 -07002802 outDirtyRegion.orSelf(dirty);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002803
Mathias Agopianab028732010-03-16 16:41:46 -07002804 // Update aboveOpaqueLayers for next (lower) layer
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002805 aboveOpaqueLayers.orSelf(opaqueRegion);
Andreas Huber8b42e8a2010-08-16 08:49:37 -07002806
Jesse Halla8026d22012-09-25 13:25:04 -07002807 // Store the visible region in screen space
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002808 layer->setVisibleRegion(visibleRegion);
2809 layer->setCoveredRegion(coveredRegion);
Jesse Halla8026d22012-09-25 13:25:04 -07002810 layer->setVisibleNonTransparentRegion(
2811 visibleRegion.subtract(transparentRegion));
Robert Carr2047fae2016-11-28 14:09:09 -08002812 });
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002813
Mathias Agopian87baae12012-07-31 12:38:26 -07002814 outOpaqueRegion = aboveOpaqueLayers;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002815}
2816
Chia-I Wuab0c3192017-08-01 11:29:00 -07002817void SurfaceFlinger::invalidateLayerStack(const sp<const Layer>& layer, const Region& dirty) {
Mathias Agopian92a979a2012-08-02 18:32:23 -07002818 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
Mathias Agopian42977342012-08-05 00:40:46 -07002819 const sp<DisplayDevice>& hw(mDisplays[dpy]);
Chia-I Wuab0c3192017-08-01 11:29:00 -07002820 if (layer->belongsToDisplay(hw->getLayerStack(), hw->isPrimary())) {
Mathias Agopian42977342012-08-05 00:40:46 -07002821 hw->dirtyRegion.orSelf(dirty);
Mathias Agopian92a979a2012-08-02 18:32:23 -07002822 }
2823 }
Mathias Agopian87baae12012-07-31 12:38:26 -07002824}
2825
Dan Stoza6b9454d2014-11-07 16:00:59 -08002826bool SurfaceFlinger::handlePageFlip()
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002827{
Dan Stoza9e56aa02015-11-02 13:00:03 -08002828 ALOGV("handlePageFlip");
2829
Brian Andersond6927fb2016-07-23 23:37:30 -07002830 nsecs_t latchTime = systemTime();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002831
Mathias Agopian4fec8732012-06-29 14:12:52 -07002832 bool visibleRegions = false;
Dan Stoza6b9454d2014-11-07 16:00:59 -08002833 bool frameQueued = false;
Mike Stroyan0cd76192017-04-20 12:10:48 -06002834 bool newDataLatched = false;
Eric Penner51c59cd2014-07-28 19:51:58 -07002835
2836 // Store the set of layers that need updates. This set must not change as
2837 // buffers are being latched, as this could result in a deadlock.
2838 // Example: Two producers share the same command stream and:
2839 // 1.) Layer 0 is latched
2840 // 2.) Layer 0 gets a new frame
2841 // 2.) Layer 1 gets a new frame
2842 // 3.) Layer 1 is latched.
2843 // Display is now waiting on Layer 1's frame, which is behind layer 0's
2844 // second frame. But layer 0's second frame could be waiting on display.
Robert Carr2047fae2016-11-28 14:09:09 -08002845 mDrawingState.traverseInZOrder([&](Layer* layer) {
Dan Stoza6b9454d2014-11-07 16:00:59 -08002846 if (layer->hasQueuedFrame()) {
2847 frameQueued = true;
2848 if (layer->shouldPresentNow(mPrimaryDispSync)) {
Robert Carr2047fae2016-11-28 14:09:09 -08002849 mLayersWithQueuedFrames.push_back(layer);
Dan Stozaee44edd2015-03-23 15:50:23 -07002850 } else {
2851 layer->useEmptyDamage();
Dan Stoza6b9454d2014-11-07 16:00:59 -08002852 }
Dan Stozaee44edd2015-03-23 15:50:23 -07002853 } else {
2854 layer->useEmptyDamage();
Dan Stoza6b9454d2014-11-07 16:00:59 -08002855 }
Robert Carr2047fae2016-11-28 14:09:09 -08002856 });
2857
Dan Stoza9e56aa02015-11-02 13:00:03 -08002858 for (auto& layer : mLayersWithQueuedFrames) {
Brian Andersond6927fb2016-07-23 23:37:30 -07002859 const Region dirty(layer->latchBuffer(visibleRegions, latchTime));
Dan Stozaee44edd2015-03-23 15:50:23 -07002860 layer->useSurfaceDamage();
Chia-I Wuab0c3192017-08-01 11:29:00 -07002861 invalidateLayerStack(layer, dirty);
Chia-I Wua36bf922017-06-30 12:51:05 -07002862 if (layer->isBufferLatched()) {
Mike Stroyan0cd76192017-04-20 12:10:48 -06002863 newDataLatched = true;
2864 }
Mathias Agopian4fec8732012-06-29 14:12:52 -07002865 }
Mathias Agopian4da75192010-08-10 17:19:56 -07002866
Mathias Agopian3b1d2b62012-07-11 13:48:17 -07002867 mVisibleRegionsDirty |= visibleRegions;
Dan Stoza6b9454d2014-11-07 16:00:59 -08002868
2869 // If we will need to wake up at some time in the future to deal with a
2870 // queued frame that shouldn't be displayed during this vsync period, wake
2871 // up during the next vsync period to check again.
Chia-I Wua36bf922017-06-30 12:51:05 -07002872 if (frameQueued && (mLayersWithQueuedFrames.empty() || !newDataLatched)) {
Dan Stoza6b9454d2014-11-07 16:00:59 -08002873 signalLayerUpdate();
2874 }
2875
2876 // Only continue with the refresh if there is actually new work to do
Mike Stroyan0cd76192017-04-20 12:10:48 -06002877 return !mLayersWithQueuedFrames.empty() && newDataLatched;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002878}
2879
Mathias Agopianad456f92011-01-13 17:53:01 -08002880void SurfaceFlinger::invalidateHwcGeometry()
2881{
Dan Stoza9e56aa02015-11-02 13:00:03 -08002882 mGeometryInvalid = true;
Mathias Agopianad456f92011-01-13 17:53:01 -08002883}
2884
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08002885
Fabien Sanglard830b8472016-11-30 16:35:58 -08002886void SurfaceFlinger::doDisplayComposition(
2887 const sp<const DisplayDevice>& displayDevice,
Mathias Agopian87baae12012-07-31 12:38:26 -07002888 const Region& inDirtyRegion)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002889{
Dan Stoza71433162014-02-04 16:22:36 -08002890 // We only need to actually compose the display if:
2891 // 1) It is being handled by hardware composer, which may need this to
2892 // keep its virtual display state machine in sync, or
2893 // 2) There is work to be done (the dirty region isn't empty)
Fabien Sanglard830b8472016-11-30 16:35:58 -08002894 bool isHwcDisplay = displayDevice->getHwcDisplayId() >= 0;
Dan Stoza71433162014-02-04 16:22:36 -08002895 if (!isHwcDisplay && inDirtyRegion.isEmpty()) {
Dan Stoza9e56aa02015-11-02 13:00:03 -08002896 ALOGV("Skipping display composition");
Dan Stoza71433162014-02-04 16:22:36 -08002897 return;
2898 }
2899
Dan Stoza9e56aa02015-11-02 13:00:03 -08002900 ALOGV("doDisplayComposition");
Chia-I Wub02087d2017-11-09 10:19:54 -08002901 if (!doComposeSurfaces(displayDevice)) return;
Mathias Agopianda27af92012-09-13 18:17:13 -07002902
2903 // swap buffers (presentation)
Fabien Sanglard830b8472016-11-30 16:35:58 -08002904 displayDevice->swapBuffers(getHwComposer());
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08002905}
2906
Chia-I Wub02087d2017-11-09 10:19:54 -08002907bool SurfaceFlinger::doComposeSurfaces(const sp<const DisplayDevice>& displayDevice)
Mathias Agopianf384cc32011-09-08 18:31:55 -07002908{
Dan Stoza9e56aa02015-11-02 13:00:03 -08002909 ALOGV("doComposeSurfaces");
Mathias Agopiancd20eb02011-09-22 20:57:04 -07002910
Chia-I Wub02087d2017-11-09 10:19:54 -08002911 const Region bounds(displayDevice->bounds());
chaviwa76b2712017-09-20 12:02:26 -07002912 const DisplayRenderArea renderArea(displayDevice);
Dan Stoza9e56aa02015-11-02 13:00:03 -08002913 const auto hwcId = displayDevice->getHwcDisplayId();
Dan Stoza9f26a9c2016-06-22 14:51:09 -07002914
2915 mat4 oldColorMatrix;
David Sodman105b7dc2017-11-04 20:28:14 -07002916 const bool applyColorMatrix = !getBE().mHwc->hasDeviceComposition(hwcId) &&
2917 !getBE().mHwc->hasCapability(HWC2::Capability::SkipClientColorTransform);
Dan Stoza9f26a9c2016-06-22 14:51:09 -07002918 if (applyColorMatrix) {
2919 mat4 colorMatrix = mColorMatrix * mDaltonizer();
2920 oldColorMatrix = getRenderEngine().setupColorTransform(colorMatrix);
2921 }
2922
David Sodman105b7dc2017-11-04 20:28:14 -07002923 bool hasClientComposition = getBE().mHwc->hasClientComposition(hwcId);
David Sodman4b7c4bc2017-11-17 12:13:59 -08002924 ATRACE_INT("hasClientComposition", hasClientComposition);
Dan Stoza9e56aa02015-11-02 13:00:03 -08002925 if (hasClientComposition) {
2926 ALOGV("hasClientComposition");
2927
Chia-I Wu69bf10f2018-02-20 13:04:50 -08002928 android_dataspace outputDataspace = HAL_DATASPACE_UNKNOWN;
Chia-I Wu9a48a8c2018-02-20 14:27:30 -08002929 if (displayDevice->getWideColorSupport() &&
Peiyong Lina52f0292018-03-14 17:26:31 -07002930 displayDevice->getActiveColorMode() == ColorMode::DISPLAY_P3) {
Chia-I Wu69bf10f2018-02-20 13:04:50 -08002931 outputDataspace = HAL_DATASPACE_DISPLAY_P3;
2932 }
2933 getBE().mRenderEngine->setOutputDataSpace(outputDataspace);
2934
Chia-I Wu7f402902017-11-09 12:51:10 -08002935 if (!displayDevice->makeCurrent()) {
Michael Chockc8c71092013-03-04 15:15:46 -08002936 ALOGW("DisplayDevice::makeCurrent failed. Aborting surface composition for display %s",
Dan Stoza9e56aa02015-11-02 13:00:03 -08002937 displayDevice->getDisplayName().string());
Chia-I Wu7f402902017-11-09 12:51:10 -08002938 getRenderEngine().resetCurrentSurface();
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07002939
2940 // |mStateLock| not needed as we are on the main thread
Chia-I Wu7f402902017-11-09 12:51:10 -08002941 if(!getDefaultDisplayDeviceLocked()->makeCurrent()) {
Michael Lentine3f121fc2014-10-01 11:17:28 -07002942 ALOGE("DisplayDevice::makeCurrent on default display failed. Aborting.");
2943 }
2944 return false;
Michael Chockc8c71092013-03-04 15:15:46 -08002945 }
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002946
Mathias Agopian52bbb1a2012-07-31 19:01:53 -07002947 // Never touch the framebuffer if we don't have any framebuffer layers
David Sodman105b7dc2017-11-04 20:28:14 -07002948 const bool hasDeviceComposition = getBE().mHwc->hasDeviceComposition(hwcId);
Dan Stoza9e56aa02015-11-02 13:00:03 -08002949 if (hasDeviceComposition) {
Mathias Agopianb9494d52012-04-18 02:28:45 -07002950 // when using overlays, we assume a fully transparent framebuffer
2951 // NOTE: we could reduce how much we need to clear, for instance
2952 // remove where there are opaque FB layers. however, on some
Mathias Agopian3f844832013-08-07 21:24:32 -07002953 // GPUs doing a "clean slate" clear might be more efficient.
Mathias Agopianb9494d52012-04-18 02:28:45 -07002954 // We'll revisit later if needed.
David Sodmanbc815282017-11-05 18:57:52 -08002955 getBE().mRenderEngine->clearWithColor(0, 0, 0, 0);
Mathias Agopianb9494d52012-04-18 02:28:45 -07002956 } else {
Chia-I Wub02087d2017-11-09 10:19:54 -08002957 // we start with the whole screen area and remove the scissor part
Mathias Agopian766dc492012-10-30 18:08:06 -07002958 // we're left with the letterbox region
2959 // (common case is that letterbox ends-up being empty)
Dan Stoza9e56aa02015-11-02 13:00:03 -08002960 const Region letterbox(bounds.subtract(displayDevice->getScissor()));
Mathias Agopian766dc492012-10-30 18:08:06 -07002961
2962 // compute the area to clear
Dan Stoza9e56aa02015-11-02 13:00:03 -08002963 Region region(displayDevice->undefinedRegion.merge(letterbox));
Mathias Agopian766dc492012-10-30 18:08:06 -07002964
Mathias Agopianb9494d52012-04-18 02:28:45 -07002965 // screen is already cleared here
Mathias Agopian87baae12012-07-31 12:38:26 -07002966 if (!region.isEmpty()) {
Mathias Agopianb9494d52012-04-18 02:28:45 -07002967 // can happen with SurfaceView
Dan Stoza9e56aa02015-11-02 13:00:03 -08002968 drawWormhole(displayDevice, region);
Mathias Agopianb9494d52012-04-18 02:28:45 -07002969 }
Mathias Agopiana2f4e562012-04-15 23:34:59 -07002970 }
Mathias Agopianf45c5102012-10-24 16:29:17 -07002971
Dan Stoza9e56aa02015-11-02 13:00:03 -08002972 if (displayDevice->getDisplayType() != DisplayDevice::DISPLAY_PRIMARY) {
Mathias Agopian766dc492012-10-30 18:08:06 -07002973 // just to be on the safe side, we don't set the
Mathias Agopianf45c5102012-10-24 16:29:17 -07002974 // scissor on the main display. It should never be needed
2975 // anyways (though in theory it could since the API allows it).
Dan Stoza9e56aa02015-11-02 13:00:03 -08002976 const Rect& bounds(displayDevice->getBounds());
2977 const Rect& scissor(displayDevice->getScissor());
Mathias Agopianf45c5102012-10-24 16:29:17 -07002978 if (scissor != bounds) {
2979 // scissor doesn't match the screen's dimensions, so we
2980 // need to clear everything outside of it and enable
2981 // the GL scissor so we don't draw anything where we shouldn't
Mathias Agopian3f844832013-08-07 21:24:32 -07002982
Mathias Agopianf45c5102012-10-24 16:29:17 -07002983 // enable scissor for this frame
Dan Stoza9e56aa02015-11-02 13:00:03 -08002984 const uint32_t height = displayDevice->getHeight();
David Sodmanbc815282017-11-05 18:57:52 -08002985 getBE().mRenderEngine->setScissor(scissor.left, height - scissor.bottom,
Mathias Agopian3f844832013-08-07 21:24:32 -07002986 scissor.getWidth(), scissor.getHeight());
Mathias Agopianf45c5102012-10-24 16:29:17 -07002987 }
2988 }
Mathias Agopian85d751c2012-08-29 16:59:24 -07002989 }
Mathias Agopian4b2ba532012-03-29 12:23:51 -07002990
Mathias Agopian85d751c2012-08-29 16:59:24 -07002991 /*
2992 * and then, render the layers targeted at the framebuffer
2993 */
Mathias Agopian4b2ba532012-03-29 12:23:51 -07002994
Dan Stoza9e56aa02015-11-02 13:00:03 -08002995 ALOGV("Rendering client layers");
2996 const Transform& displayTransform = displayDevice->getTransform();
2997 if (hwcId >= 0) {
Mathias Agopian85d751c2012-08-29 16:59:24 -07002998 // we're using h/w composer
Dan Stoza9e56aa02015-11-02 13:00:03 -08002999 bool firstLayer = true;
3000 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
Chia-I Wub02087d2017-11-09 10:19:54 -08003001 const Region clip(bounds.intersect(
Dan Stoza9e56aa02015-11-02 13:00:03 -08003002 displayTransform.transform(layer->visibleRegion)));
3003 ALOGV("Layer: %s", layer->getName().string());
3004 ALOGV(" Composition type: %s",
3005 to_string(layer->getCompositionType(hwcId)).c_str());
Mathias Agopian85d751c2012-08-29 16:59:24 -07003006 if (!clip.isEmpty()) {
Dan Stoza9e56aa02015-11-02 13:00:03 -08003007 switch (layer->getCompositionType(hwcId)) {
3008 case HWC2::Composition::Cursor:
3009 case HWC2::Composition::Device:
Gray Huang267ab792017-01-11 13:41:09 +08003010 case HWC2::Composition::Sideband:
Dan Stoza9e56aa02015-11-02 13:00:03 -08003011 case HWC2::Composition::SolidColor: {
Mathias Agopianac683022013-10-01 15:36:52 -07003012 const Layer::State& state(layer->getDrawingState());
Dan Stoza9e56aa02015-11-02 13:00:03 -08003013 if (layer->getClearClientTarget(hwcId) && !firstLayer &&
chaviw13fdc492017-06-27 12:40:18 -07003014 layer->isOpaque(state) && (state.color.a == 1.0f)
Dan Stoza9e56aa02015-11-02 13:00:03 -08003015 && hasClientComposition) {
Mathias Agopiancd60f992012-08-16 16:28:27 -07003016 // never clear the very first layer since we're
3017 // guaranteed the FB is already cleared
chaviwa76b2712017-09-20 12:02:26 -07003018 layer->clearWithOpenGL(renderArea);
Mathias Agopiancd60f992012-08-16 16:28:27 -07003019 }
Mathias Agopian85d751c2012-08-29 16:59:24 -07003020 break;
Mathias Agopiancd60f992012-08-16 16:28:27 -07003021 }
Dan Stoza9e56aa02015-11-02 13:00:03 -08003022 case HWC2::Composition::Client: {
chaviwa76b2712017-09-20 12:02:26 -07003023 layer->draw(renderArea, clip);
Mathias Agopian85d751c2012-08-29 16:59:24 -07003024 break;
3025 }
Dan Stoza9e56aa02015-11-02 13:00:03 -08003026 default:
Mathias Agopianda27af92012-09-13 18:17:13 -07003027 break;
Mathias Agopiancd60f992012-08-16 16:28:27 -07003028 }
Dan Stoza9e56aa02015-11-02 13:00:03 -08003029 } else {
3030 ALOGV(" Skipping for empty clip");
Mathias Agopian85d751c2012-08-29 16:59:24 -07003031 }
Dan Stoza9e56aa02015-11-02 13:00:03 -08003032 firstLayer = false;
Mathias Agopian85d751c2012-08-29 16:59:24 -07003033 }
3034 } else {
3035 // we're not using h/w composer
Dan Stoza9e56aa02015-11-02 13:00:03 -08003036 for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
Chia-I Wub02087d2017-11-09 10:19:54 -08003037 const Region clip(bounds.intersect(
Dan Stoza9e56aa02015-11-02 13:00:03 -08003038 displayTransform.transform(layer->visibleRegion)));
Mathias Agopian85d751c2012-08-29 16:59:24 -07003039 if (!clip.isEmpty()) {
chaviwa76b2712017-09-20 12:02:26 -07003040 layer->draw(renderArea, clip);
Jesse Halla6b32db2012-07-19 16:44:38 -07003041 }
Mathias Agopian4b2ba532012-03-29 12:23:51 -07003042 }
3043 }
Mathias Agopianf45c5102012-10-24 16:29:17 -07003044
Dan Stoza9f26a9c2016-06-22 14:51:09 -07003045 if (applyColorMatrix) {
3046 getRenderEngine().setupColorTransform(oldColorMatrix);
3047 }
3048
Mathias Agopianf45c5102012-10-24 16:29:17 -07003049 // disable scissor at the end of the frame
David Sodmanbc815282017-11-05 18:57:52 -08003050 getBE().mRenderEngine->disableScissor();
Michael Lentine3f121fc2014-10-01 11:17:28 -07003051 return true;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003052}
3053
Fabien Sanglard830b8472016-11-30 16:35:58 -08003054void SurfaceFlinger::drawWormhole(const sp<const DisplayDevice>& displayDevice, const Region& region) const {
3055 const int32_t height = displayDevice->getHeight();
Lloyd Pique144e1162017-12-20 16:44:52 -08003056 auto& engine(getRenderEngine());
Mathias Agopian3f844832013-08-07 21:24:32 -07003057 engine.fillRegionWithColor(region, height, 0, 0, 0, 0);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003058}
3059
Dan Stoza7d89d062015-04-30 13:29:25 -07003060status_t SurfaceFlinger::addClientLayer(const sp<Client>& client,
Mathias Agopianac9fa422013-02-11 16:40:36 -08003061 const sp<IBinder>& handle,
Mathias Agopian67106042013-03-14 19:18:13 -07003062 const sp<IGraphicBufferProducer>& gbc,
Robert Carr1f0a16a2016-10-24 16:27:39 -07003063 const sp<Layer>& lbc,
3064 const sp<Layer>& parent)
Mathias Agopian96f08192010-06-02 23:28:45 -07003065{
Dan Stoza7d89d062015-04-30 13:29:25 -07003066 // add this layer to the current state list
3067 {
3068 Mutex::Autolock _l(mStateLock);
Robert Carr1f0a16a2016-10-24 16:27:39 -07003069 if (mNumLayers >= MAX_LAYERS) {
Courtney Goeltzenleuchterab702f52017-04-19 15:14:02 -06003070 ALOGE("AddClientLayer failed, mNumLayers (%zu) >= MAX_LAYERS (%zu)", mNumLayers,
3071 MAX_LAYERS);
Dan Stoza7d89d062015-04-30 13:29:25 -07003072 return NO_MEMORY;
3073 }
Robert Carr1f0a16a2016-10-24 16:27:39 -07003074 if (parent == nullptr) {
3075 mCurrentState.layersSortedByZ.add(lbc);
3076 } else {
Robert Carrebd62af2017-11-28 08:49:59 -08003077 if (parent->isPendingRemoval()) {
Chia-I Wu98f1c102017-05-30 14:54:08 -07003078 ALOGE("addClientLayer called with a removed parent");
3079 return NAME_NOT_FOUND;
3080 }
Robert Carr1f0a16a2016-10-24 16:27:39 -07003081 parent->addChild(lbc);
3082 }
Chia-I Wu98f1c102017-05-30 14:54:08 -07003083
Dan Stoza101d8dc2018-02-27 15:42:25 -08003084 mGraphicBufferProducerList.insert(IInterface::asBinder(gbc).get());
Dan Stoza0a0158c2018-03-16 13:38:54 -07003085 // TODO (b/74616334): Change this back to a fatal assert once the leak is fixed
3086 ALOGE_IF(mGraphicBufferProducerList.size() > mMaxGraphicBufferProducerListSize,
3087 "Suspected IGBP leak: %zu IGBPs (%zu max), %zu Layers",
3088 mGraphicBufferProducerList.size(), mMaxGraphicBufferProducerListSize,
3089 mNumLayers);
Robert Carr1f0a16a2016-10-24 16:27:39 -07003090 mLayersAdded = true;
3091 mNumLayers++;
Dan Stoza7d89d062015-04-30 13:29:25 -07003092 }
3093
Mathias Agopian96f08192010-06-02 23:28:45 -07003094 // attach this layer to the client
Mathias Agopianac9fa422013-02-11 16:40:36 -08003095 client->attachLayer(handle, lbc);
Mathias Agopian4f113742011-05-03 16:21:41 -07003096
Dan Stoza7d89d062015-04-30 13:29:25 -07003097 return NO_ERROR;
Mathias Agopian96f08192010-06-02 23:28:45 -07003098}
3099
Chia-I Wu515dc9c2017-06-15 12:53:59 -07003100status_t SurfaceFlinger::removeLayer(const sp<Layer>& layer, bool topLevelOnly) {
Robert Carr7f9b8992017-03-10 11:08:39 -08003101 Mutex::Autolock _l(mStateLock);
chaviwca27f252018-02-06 16:46:39 -08003102 return removeLayerLocked(mStateLock, layer, topLevelOnly);
3103}
Robert Carr7f9b8992017-03-10 11:08:39 -08003104
chaviwca27f252018-02-06 16:46:39 -08003105status_t SurfaceFlinger::removeLayerLocked(const Mutex&, const sp<Layer>& layer,
3106 bool topLevelOnly) {
chaviw8b3871a2017-11-01 17:41:01 -07003107 if (layer->isPendingRemoval()) {
3108 return NO_ERROR;
3109 }
3110
Robert Carr1f0a16a2016-10-24 16:27:39 -07003111 const auto& p = layer->getParent();
Chia-I Wu515dc9c2017-06-15 12:53:59 -07003112 ssize_t index;
Chia-I Wu98f1c102017-05-30 14:54:08 -07003113 if (p != nullptr) {
Chia-I Wu515dc9c2017-06-15 12:53:59 -07003114 if (topLevelOnly) {
3115 return NO_ERROR;
3116 }
3117
Chia-I Wu98f1c102017-05-30 14:54:08 -07003118 sp<Layer> ancestor = p;
3119 while (ancestor->getParent() != nullptr) {
3120 ancestor = ancestor->getParent();
3121 }
3122 if (mCurrentState.layersSortedByZ.indexOf(ancestor) < 0) {
3123 ALOGE("removeLayer called with a layer whose parent has been removed");
3124 return NAME_NOT_FOUND;
3125 }
Chia-I Wufae51c42017-06-15 12:53:59 -07003126
3127 index = p->removeChild(layer);
Chia-I Wu515dc9c2017-06-15 12:53:59 -07003128 } else {
3129 index = mCurrentState.layersSortedByZ.remove(layer);
Chia-I Wu98f1c102017-05-30 14:54:08 -07003130 }
3131
Robert Carr136e2f62017-02-08 17:54:29 -08003132 // As a matter of normal operation, the LayerCleaner will produce a second
3133 // attempt to remove the surface. The Layer will be kept alive in mDrawingState
3134 // so we will succeed in promoting it, but it's already been removed
3135 // from mCurrentState. As long as we can find it in mDrawingState we have no problem
3136 // otherwise something has gone wrong and we are leaking the layer.
3137 if (index < 0 && mDrawingState.layersSortedByZ.indexOf(layer) < 0) {
Robert Carr1f0a16a2016-10-24 16:27:39 -07003138 ALOGE("Failed to find layer (%s) in layer parent (%s).",
3139 layer->getName().string(),
3140 (p != nullptr) ? p->getName().string() : "no-parent");
3141 return BAD_VALUE;
Robert Carr136e2f62017-02-08 17:54:29 -08003142 } else if (index < 0) {
3143 return NO_ERROR;
Steve Pfetsch598f6d52016-10-25 21:47:58 +00003144 }
Robert Carr1f0a16a2016-10-24 16:27:39 -07003145
Chia-I Wuc6657022017-08-15 11:18:17 -07003146 layer->onRemovedFromCurrentState();
Robert Carr1f0a16a2016-10-24 16:27:39 -07003147 mLayersPendingRemoval.add(layer);
3148 mLayersRemoved = true;
Chia-I Wu98f1c102017-05-30 14:54:08 -07003149 mNumLayers -= 1 + layer->getChildrenCount();
Robert Carr1f0a16a2016-10-24 16:27:39 -07003150 setTransactionFlags(eTransactionNeeded);
3151 return NO_ERROR;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003152}
3153
Fabien Sanglardc8251eb2016-12-07 13:59:48 -08003154uint32_t SurfaceFlinger::peekTransactionFlags() {
Mathias Agopiandea20b12011-05-03 17:04:02 -07003155 return android_atomic_release_load(&mTransactionFlags);
3156}
3157
Mathias Agopian3f844832013-08-07 21:24:32 -07003158uint32_t SurfaceFlinger::getTransactionFlags(uint32_t flags) {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003159 return android_atomic_and(~flags, &mTransactionFlags) & flags;
3160}
3161
Mathias Agopian3f844832013-08-07 21:24:32 -07003162uint32_t SurfaceFlinger::setTransactionFlags(uint32_t flags) {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003163 uint32_t old = android_atomic_or(flags, &mTransactionFlags);
3164 if ((old & flags)==0) { // wake the server up
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08003165 signalTransaction();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003166 }
3167 return old;
3168}
3169
chaviwca27f252018-02-06 16:46:39 -08003170bool SurfaceFlinger::containsAnyInvalidClientState(const Vector<ComposerState>& states) {
3171 for (const ComposerState& state : states) {
3172 // Here we need to check that the interface we're given is indeed
3173 // one of our own. A malicious client could give us a nullptr
3174 // IInterface, or one of its own or even one of our own but a
3175 // different type. All these situations would cause us to crash.
3176 if (state.client == nullptr) {
3177 return true;
3178 }
3179
3180 sp<IBinder> binder = IInterface::asBinder(state.client);
3181 if (binder == nullptr) {
3182 return true;
3183 }
3184
3185 if (binder->queryLocalInterface(ISurfaceComposerClient::descriptor) == nullptr) {
3186 return true;
3187 }
3188 }
3189 return false;
3190}
3191
Mathias Agopian8b33f032012-07-24 20:43:54 -07003192void SurfaceFlinger::setTransactionState(
chaviwca27f252018-02-06 16:46:39 -08003193 const Vector<ComposerState>& states,
Mathias Agopian8b33f032012-07-24 20:43:54 -07003194 const Vector<DisplayState>& displays,
3195 uint32_t flags)
3196{
Jamie Gennis7c41bf72012-10-17 09:29:47 -07003197 ATRACE_CALL();
Mathias Agopian698c0872011-06-28 19:09:31 -07003198 Mutex::Autolock _l(mStateLock);
Jamie Gennis28378392011-10-12 17:39:00 -07003199 uint32_t transactionFlags = 0;
Mathias Agopiane57f2922012-08-09 16:29:12 -07003200
chaviwca27f252018-02-06 16:46:39 -08003201 if (containsAnyInvalidClientState(states)) {
3202 return;
3203 }
3204
Jamie Gennis2d5e2302012-10-15 18:24:43 -07003205 if (flags & eAnimation) {
3206 // For window updates that are part of an animation we must wait for
3207 // previous animation "frames" to be handled.
3208 while (mAnimTransactionPending) {
Jamie Gennis7c41bf72012-10-17 09:29:47 -07003209 status_t err = mTransactionCV.waitRelative(mStateLock, s2ns(5));
Jamie Gennis2d5e2302012-10-15 18:24:43 -07003210 if (CC_UNLIKELY(err != NO_ERROR)) {
3211 // just in case something goes wrong in SF, return to the
Jamie Gennis7c41bf72012-10-17 09:29:47 -07003212 // caller after a few seconds.
3213 ALOGW_IF(err == TIMED_OUT, "setTransactionState timed out "
3214 "waiting for previous animation frame");
Jamie Gennis2d5e2302012-10-15 18:24:43 -07003215 mAnimTransactionPending = false;
3216 break;
3217 }
3218 }
3219 }
3220
chaviwca27f252018-02-06 16:46:39 -08003221 for (const DisplayState& display : displays) {
3222 transactionFlags |= setDisplayStateLocked(display);
Jamie Gennisb8d69a52011-10-10 15:48:06 -07003223 }
3224
chaviwca27f252018-02-06 16:46:39 -08003225 for (const ComposerState& state : states) {
3226 transactionFlags |= setClientStateLocked(state);
3227 }
3228
3229 // Iterate through all layers again to determine if any need to be destroyed. Marking layers
3230 // as destroyed should only occur after setting all other states. This is to allow for a
3231 // child re-parent to happen before marking its original parent as destroyed (which would
3232 // then mark the child as destroyed).
3233 for (const ComposerState& state : states) {
3234 setDestroyStateLocked(state);
Mathias Agopian698c0872011-06-28 19:09:31 -07003235 }
Mathias Agopian698c0872011-06-28 19:09:31 -07003236
Jorim Jaggibdcf09c2017-08-08 15:22:08 +02003237 // If a synchronous transaction is explicitly requested without any changes, force a transaction
3238 // anyway. This can be used as a flush mechanism for previous async transactions.
3239 // Empty animation transaction can be used to simulate back-pressure, so also force a
3240 // transaction for empty animation transactions.
3241 if (transactionFlags == 0 &&
3242 ((flags & eSynchronous) || (flags & eAnimation))) {
Robert Carr2a7dbb42016-05-24 11:41:28 -07003243 transactionFlags = eTransactionNeeded;
3244 }
3245
Mathias Agopian386aa982011-11-07 21:58:03 -08003246 if (transactionFlags) {
Lloyd Pique4dccc412018-01-22 17:21:36 -08003247 if (mInterceptor->isEnabled()) {
3248 mInterceptor->saveTransaction(states, mCurrentState.displays, displays, flags);
Irvelffc9efc2016-07-27 15:16:37 -07003249 }
Irvel468051e2016-06-13 16:44:44 -07003250
Mathias Agopian386aa982011-11-07 21:58:03 -08003251 // this triggers the transaction
3252 setTransactionFlags(transactionFlags);
3253
3254 // if this is a synchronous transaction, wait for it to take effect
3255 // before returning.
3256 if (flags & eSynchronous) {
Jamie Gennis2d5e2302012-10-15 18:24:43 -07003257 mTransactionPending = true;
Mathias Agopian386aa982011-11-07 21:58:03 -08003258 }
Jamie Gennis2d5e2302012-10-15 18:24:43 -07003259 if (flags & eAnimation) {
3260 mAnimTransactionPending = true;
3261 }
3262 while (mTransactionPending) {
Mathias Agopian386aa982011-11-07 21:58:03 -08003263 status_t err = mTransactionCV.waitRelative(mStateLock, s2ns(5));
3264 if (CC_UNLIKELY(err != NO_ERROR)) {
3265 // just in case something goes wrong in SF, return to the
3266 // called after a few seconds.
Jamie Gennis2d5e2302012-10-15 18:24:43 -07003267 ALOGW_IF(err == TIMED_OUT, "setTransactionState timed out!");
3268 mTransactionPending = false;
Mathias Agopian386aa982011-11-07 21:58:03 -08003269 break;
3270 }
Mathias Agopiancbb288b2009-09-07 16:32:45 -07003271 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003272 }
3273}
3274
Mathias Agopiane57f2922012-08-09 16:29:12 -07003275uint32_t SurfaceFlinger::setDisplayStateLocked(const DisplayState& s)
3276{
Jesse Hall9a143922012-10-04 16:29:19 -07003277 ssize_t dpyIdx = mCurrentState.displays.indexOfKey(s.token);
3278 if (dpyIdx < 0)
3279 return 0;
3280
Mathias Agopiane57f2922012-08-09 16:29:12 -07003281 uint32_t flags = 0;
Jesse Hall9a143922012-10-04 16:29:19 -07003282 DisplayDeviceState& disp(mCurrentState.displays.editValueAt(dpyIdx));
Mathias Agopian3ee454a2012-08-27 16:28:24 -07003283 if (disp.isValid()) {
Mathias Agopiane57f2922012-08-09 16:29:12 -07003284 const uint32_t what = s.what;
3285 if (what & DisplayState::eSurfaceChanged) {
Marco Nelissen097ca272014-11-14 08:01:01 -08003286 if (IInterface::asBinder(disp.surface) != IInterface::asBinder(s.surface)) {
Mathias Agopiane57f2922012-08-09 16:29:12 -07003287 disp.surface = s.surface;
3288 flags |= eDisplayTransactionNeeded;
3289 }
3290 }
3291 if (what & DisplayState::eLayerStackChanged) {
3292 if (disp.layerStack != s.layerStack) {
3293 disp.layerStack = s.layerStack;
3294 flags |= eDisplayTransactionNeeded;
3295 }
3296 }
Mathias Agopian00e8c7a2012-09-04 19:30:46 -07003297 if (what & DisplayState::eDisplayProjectionChanged) {
Mathias Agopiane57f2922012-08-09 16:29:12 -07003298 if (disp.orientation != s.orientation) {
3299 disp.orientation = s.orientation;
3300 flags |= eDisplayTransactionNeeded;
3301 }
3302 if (disp.frame != s.frame) {
3303 disp.frame = s.frame;
3304 flags |= eDisplayTransactionNeeded;
3305 }
3306 if (disp.viewport != s.viewport) {
3307 disp.viewport = s.viewport;
3308 flags |= eDisplayTransactionNeeded;
3309 }
3310 }
Michael Lentine47e45402014-07-18 15:34:25 -07003311 if (what & DisplayState::eDisplaySizeChanged) {
3312 if (disp.width != s.width) {
3313 disp.width = s.width;
3314 flags |= eDisplayTransactionNeeded;
3315 }
3316 if (disp.height != s.height) {
3317 disp.height = s.height;
3318 flags |= eDisplayTransactionNeeded;
3319 }
3320 }
Mathias Agopiane57f2922012-08-09 16:29:12 -07003321 }
3322 return flags;
3323}
3324
chaviwca27f252018-02-06 16:46:39 -08003325uint32_t SurfaceFlinger::setClientStateLocked(const ComposerState& composerState) {
3326 const layer_state_t& s = composerState.state;
3327 sp<Client> client(static_cast<Client*>(composerState.client.get()));
3328
Mathias Agopian13127d82013-03-05 17:47:11 -08003329 sp<Layer> layer(client->getLayerUser(s.surface));
chaviw8b3871a2017-11-01 17:41:01 -07003330 if (layer == nullptr) {
3331 return 0;
3332 }
3333
3334 if (layer->isPendingRemoval()) {
3335 ALOGW("Attempting to set client state on removed layer: %s", layer->getName().string());
3336 return 0;
3337 }
3338
3339 uint32_t flags = 0;
3340
3341 const uint32_t what = s.what;
3342 bool geometryAppliesWithResize =
3343 what & layer_state_t::eGeometryAppliesWithResize;
3344 if (what & layer_state_t::ePositionChanged) {
3345 if (layer->setPosition(s.x, s.y, !geometryAppliesWithResize)) {
3346 flags |= eTraversalNeeded;
Mathias Agopiane57f2922012-08-09 16:29:12 -07003347 }
chaviw8b3871a2017-11-01 17:41:01 -07003348 }
3349 if (what & layer_state_t::eLayerChanged) {
3350 // NOTE: index needs to be calculated before we update the state
3351 const auto& p = layer->getParent();
3352 if (p == nullptr) {
chaviw64f7b422017-07-12 10:31:58 -07003353 ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
chaviw8b3871a2017-11-01 17:41:01 -07003354 if (layer->setLayer(s.z) && idx >= 0) {
Mathias Agopiane57f2922012-08-09 16:29:12 -07003355 mCurrentState.layersSortedByZ.removeAt(idx);
3356 mCurrentState.layersSortedByZ.add(layer);
3357 // we need traversal (state changed)
3358 // AND transaction (list changed)
3359 flags |= eTransactionNeeded|eTraversalNeeded;
3360 }
chaviw8b3871a2017-11-01 17:41:01 -07003361 } else {
3362 if (p->setChildLayer(layer, s.z)) {
chaviw06178942017-07-27 10:25:59 -07003363 flags |= eTransactionNeeded|eTraversalNeeded;
3364 }
3365 }
chaviw8b3871a2017-11-01 17:41:01 -07003366 }
3367 if (what & layer_state_t::eRelativeLayerChanged) {
Robert Carr503c7042017-09-27 15:06:08 -07003368 // NOTE: index needs to be calculated before we update the state
3369 const auto& p = layer->getParent();
3370 if (p == nullptr) {
3371 ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
3372 if (layer->setRelativeLayer(s.relativeLayerHandle, s.z) && idx >= 0) {
3373 mCurrentState.layersSortedByZ.removeAt(idx);
3374 mCurrentState.layersSortedByZ.add(layer);
3375 // we need traversal (state changed)
3376 // AND transaction (list changed)
3377 flags |= eTransactionNeeded|eTraversalNeeded;
3378 }
3379 } else {
3380 if (p->setChildRelativeLayer(layer, s.relativeLayerHandle, s.z)) {
3381 flags |= eTransactionNeeded|eTraversalNeeded;
3382 }
chaviw8b3871a2017-11-01 17:41:01 -07003383 }
3384 }
3385 if (what & layer_state_t::eSizeChanged) {
3386 if (layer->setSize(s.w, s.h)) {
3387 flags |= eTraversalNeeded;
3388 }
3389 }
3390 if (what & layer_state_t::eAlphaChanged) {
3391 if (layer->setAlpha(s.alpha))
3392 flags |= eTraversalNeeded;
3393 }
3394 if (what & layer_state_t::eColorChanged) {
3395 if (layer->setColor(s.color))
3396 flags |= eTraversalNeeded;
3397 }
3398 if (what & layer_state_t::eMatrixChanged) {
3399 if (layer->setMatrix(s.matrix))
3400 flags |= eTraversalNeeded;
3401 }
3402 if (what & layer_state_t::eTransparentRegionChanged) {
3403 if (layer->setTransparentRegionHint(s.transparentRegion))
3404 flags |= eTraversalNeeded;
3405 }
3406 if (what & layer_state_t::eFlagsChanged) {
3407 if (layer->setFlags(s.flags, s.mask))
3408 flags |= eTraversalNeeded;
3409 }
3410 if (what & layer_state_t::eCropChanged) {
3411 if (layer->setCrop(s.crop, !geometryAppliesWithResize))
3412 flags |= eTraversalNeeded;
3413 }
3414 if (what & layer_state_t::eFinalCropChanged) {
3415 if (layer->setFinalCrop(s.finalCrop, !geometryAppliesWithResize))
3416 flags |= eTraversalNeeded;
3417 }
3418 if (what & layer_state_t::eLayerStackChanged) {
3419 ssize_t idx = mCurrentState.layersSortedByZ.indexOf(layer);
3420 // We only allow setting layer stacks for top level layers,
3421 // everything else inherits layer stack from its parent.
3422 if (layer->hasParent()) {
3423 ALOGE("Attempt to set layer stack on layer with parent (%s) is invalid",
3424 layer->getName().string());
3425 } else if (idx < 0) {
3426 ALOGE("Attempt to set layer stack on layer without parent (%s) that "
3427 "that also does not appear in the top level layer list. Something"
3428 " has gone wrong.", layer->getName().string());
3429 } else if (layer->setLayerStack(s.layerStack)) {
3430 mCurrentState.layersSortedByZ.removeAt(idx);
3431 mCurrentState.layersSortedByZ.add(layer);
3432 // we need traversal (state changed)
3433 // AND transaction (list changed)
3434 flags |= eTransactionNeeded|eTraversalNeeded;
3435 }
3436 }
3437 if (what & layer_state_t::eDeferTransaction) {
3438 if (s.barrierHandle != nullptr) {
3439 layer->deferTransactionUntil(s.barrierHandle, s.frameNumber);
3440 } else if (s.barrierGbp != nullptr) {
3441 const sp<IGraphicBufferProducer>& gbp = s.barrierGbp;
3442 if (authenticateSurfaceTextureLocked(gbp)) {
3443 const auto& otherLayer =
3444 (static_cast<MonitoredProducer*>(gbp.get()))->getLayer();
3445 layer->deferTransactionUntil(otherLayer, s.frameNumber);
3446 } else {
3447 ALOGE("Attempt to defer transaction to to an"
3448 " unrecognized GraphicBufferProducer");
Robert Carr1db73f62016-12-21 12:58:51 -08003449 }
3450 }
chaviw8b3871a2017-11-01 17:41:01 -07003451 // We don't trigger a traversal here because if no other state is
3452 // changed, we don't want this to cause any more work
3453 }
3454 if (what & layer_state_t::eReparent) {
chaviw8ea97bb2017-11-29 10:05:15 -08003455 bool hadParent = layer->hasParent();
chaviw8b3871a2017-11-01 17:41:01 -07003456 if (layer->reparent(s.parentHandleForChild)) {
chaviw8ea97bb2017-11-29 10:05:15 -08003457 if (!hadParent) {
3458 mCurrentState.layersSortedByZ.remove(layer);
3459 }
chaviw8b3871a2017-11-01 17:41:01 -07003460 flags |= eTransactionNeeded|eTraversalNeeded;
Robert Carr9524cb32017-02-13 11:32:32 -08003461 }
chaviw8b3871a2017-11-01 17:41:01 -07003462 }
3463 if (what & layer_state_t::eReparentChildren) {
3464 if (layer->reparentChildren(s.reparentHandle)) {
3465 flags |= eTransactionNeeded|eTraversalNeeded;
Robert Carrc3574f72016-03-24 12:19:32 -07003466 }
Mathias Agopiane57f2922012-08-09 16:29:12 -07003467 }
chaviw8b3871a2017-11-01 17:41:01 -07003468 if (what & layer_state_t::eDetachChildren) {
3469 layer->detachChildren();
3470 }
3471 if (what & layer_state_t::eOverrideScalingModeChanged) {
3472 layer->setOverrideScalingMode(s.overrideScalingMode);
3473 // We don't trigger a traversal here because if no other state is
3474 // changed, we don't want this to cause any more work
3475 }
Mathias Agopiane57f2922012-08-09 16:29:12 -07003476 return flags;
3477}
3478
chaviwca27f252018-02-06 16:46:39 -08003479void SurfaceFlinger::setDestroyStateLocked(const ComposerState& composerState) {
3480 const layer_state_t& state = composerState.state;
3481 sp<Client> client(static_cast<Client*>(composerState.client.get()));
3482
3483 sp<Layer> layer(client->getLayerUser(state.surface));
3484 if (layer == nullptr) {
3485 return;
3486 }
3487
3488 if (layer->isPendingRemoval()) {
3489 ALOGW("Attempting to destroy on removed layer: %s", layer->getName().string());
3490 return;
3491 }
3492
3493 if (state.what & layer_state_t::eDestroySurface) {
3494 removeLayerLocked(mStateLock, layer);
3495 }
3496}
3497
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003498status_t SurfaceFlinger::createLayer(
Mathias Agopian0ef4e152011-04-20 14:19:32 -07003499 const String8& name,
3500 const sp<Client>& client,
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003501 uint32_t w, uint32_t h, PixelFormat format, uint32_t flags,
Albert Chaulk479c60c2017-01-27 14:21:34 -05003502 uint32_t windowType, uint32_t ownerUid, sp<IBinder>* handle,
3503 sp<IGraphicBufferProducer>* gbp, sp<Layer>* parent)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003504{
Mathias Agopian6e2d6482009-07-09 18:16:43 -07003505 if (int32_t(w|h) < 0) {
Mathias Agopian921e6ac2012-07-23 23:11:29 -07003506 ALOGE("createLayer() failed, w or h is negative (w=%d, h=%d)",
Mathias Agopian6e2d6482009-07-09 18:16:43 -07003507 int(w), int(h));
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003508 return BAD_VALUE;
Mathias Agopian6e2d6482009-07-09 18:16:43 -07003509 }
Andreas Huber8b42e8a2010-08-16 08:49:37 -07003510
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003511 status_t result = NO_ERROR;
3512
3513 sp<Layer> layer;
3514
Cody Northropbc755282017-03-31 12:00:08 -06003515 String8 uniqueName = getUniqueLayerName(name);
3516
Mathias Agopian3165cc22012-08-08 19:42:09 -07003517 switch (flags & ISurfaceComposerClient::eFXSurfaceMask) {
3518 case ISurfaceComposerClient::eFXSurfaceNormal:
David Sodman0c69cad2017-08-21 12:12:51 -07003519 result = createBufferLayer(client,
Cody Northropbc755282017-03-31 12:00:08 -06003520 uniqueName, w, h, flags, format,
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003521 handle, gbp, &layer);
David Sodman0c69cad2017-08-21 12:12:51 -07003522
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003523 break;
chaviw13fdc492017-06-27 12:40:18 -07003524 case ISurfaceComposerClient::eFXSurfaceColor:
3525 result = createColorLayer(client,
Cody Northropbc755282017-03-31 12:00:08 -06003526 uniqueName, w, h, flags,
David Sodman0c69cad2017-08-21 12:12:51 -07003527 handle, &layer);
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003528 break;
3529 default:
3530 result = BAD_VALUE;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003531 break;
3532 }
3533
Dan Stoza7d89d062015-04-30 13:29:25 -07003534 if (result != NO_ERROR) {
3535 return result;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003536 }
Dan Stoza7d89d062015-04-30 13:29:25 -07003537
Chia-I Wuab0c3192017-08-01 11:29:00 -07003538 // window type is WINDOW_TYPE_DONT_SCREENSHOT from SurfaceControl.java
3539 // TODO b/64227542
3540 if (windowType == 441731) {
3541 windowType = 2024; // TYPE_NAVIGATION_BAR_PANEL
3542 layer->setPrimaryDisplayOnly();
3543 }
3544
Albert Chaulk479c60c2017-01-27 14:21:34 -05003545 layer->setInfo(windowType, ownerUid);
3546
Robert Carr1f0a16a2016-10-24 16:27:39 -07003547 result = addClientLayer(client, *handle, *gbp, layer, *parent);
Dan Stoza7d89d062015-04-30 13:29:25 -07003548 if (result != NO_ERROR) {
3549 return result;
3550 }
Lloyd Pique4dccc412018-01-22 17:21:36 -08003551 mInterceptor->saveSurfaceCreation(layer);
Dan Stoza7d89d062015-04-30 13:29:25 -07003552
3553 setTransactionFlags(eTransactionNeeded);
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003554 return result;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003555}
3556
Cody Northropbc755282017-03-31 12:00:08 -06003557String8 SurfaceFlinger::getUniqueLayerName(const String8& name)
3558{
3559 bool matchFound = true;
3560 uint32_t dupeCounter = 0;
3561
3562 // Tack on our counter whether there is a hit or not, so everyone gets a tag
3563 String8 uniqueName = name + "#" + String8(std::to_string(dupeCounter).c_str());
3564
3565 // Loop over layers until we're sure there is no matching name
3566 while (matchFound) {
3567 matchFound = false;
3568 mDrawingState.traverseInZOrder([&](Layer* layer) {
3569 if (layer->getName() == uniqueName) {
3570 matchFound = true;
3571 uniqueName = name + "#" + String8(std::to_string(++dupeCounter).c_str());
3572 }
3573 });
3574 }
3575
3576 ALOGD_IF(dupeCounter > 0, "duplicate layer name: changing %s to %s", name.c_str(), uniqueName.c_str());
3577
3578 return uniqueName;
3579}
3580
David Sodman0c69cad2017-08-21 12:12:51 -07003581status_t SurfaceFlinger::createBufferLayer(const sp<Client>& client,
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003582 const String8& name, uint32_t w, uint32_t h, uint32_t flags, PixelFormat& format,
3583 sp<IBinder>* handle, sp<IGraphicBufferProducer>* gbp, sp<Layer>* outLayer)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003584{
3585 // initialize the surfaces
Mathias Agopian92a979a2012-08-02 18:32:23 -07003586 switch (format) {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003587 case PIXEL_FORMAT_TRANSPARENT:
3588 case PIXEL_FORMAT_TRANSLUCENT:
3589 format = PIXEL_FORMAT_RGBA_8888;
3590 break;
3591 case PIXEL_FORMAT_OPAQUE:
Mathias Agopian8f105402010-04-05 18:01:24 -07003592 format = PIXEL_FORMAT_RGBX_8888;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003593 break;
3594 }
3595
David Sodman0c69cad2017-08-21 12:12:51 -07003596 sp<BufferLayer> layer = new BufferLayer(this, client, name, w, h, flags);
3597 status_t err = layer->setBuffers(w, h, format, flags);
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003598 if (err == NO_ERROR) {
David Sodman0c69cad2017-08-21 12:12:51 -07003599 *handle = layer->getHandle();
3600 *gbp = layer->getProducer();
3601 *outLayer = layer;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003602 }
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003603
David Sodman0c69cad2017-08-21 12:12:51 -07003604 ALOGE_IF(err, "createBufferLayer() failed (%s)", strerror(-err));
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003605 return err;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003606}
3607
chaviw13fdc492017-06-27 12:40:18 -07003608status_t SurfaceFlinger::createColorLayer(const sp<Client>& client,
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003609 const String8& name, uint32_t w, uint32_t h, uint32_t flags,
David Sodman0c69cad2017-08-21 12:12:51 -07003610 sp<IBinder>* handle, sp<Layer>* outLayer)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003611{
chaviw13fdc492017-06-27 12:40:18 -07003612 *outLayer = new ColorLayer(this, client, name, w, h, flags);
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003613 *handle = (*outLayer)->getHandle();
Mathias Agopian4d9b8222013-03-12 17:11:48 -07003614 return NO_ERROR;
Mathias Agopian118d0242011-10-13 16:02:48 -07003615}
3616
Mathias Agopianac9fa422013-02-11 16:40:36 -08003617status_t SurfaceFlinger::onLayerRemoved(const sp<Client>& client, const sp<IBinder>& handle)
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003618{
Robert Carr9524cb32017-02-13 11:32:32 -08003619 // called by a client when it wants to remove a Layer
Mathias Agopian67106042013-03-14 19:18:13 -07003620 status_t err = NO_ERROR;
3621 sp<Layer> l(client->getLayerUser(handle));
Peiyong Lin566a3b42018-01-09 18:22:43 -08003622 if (l != nullptr) {
Lloyd Pique4dccc412018-01-22 17:21:36 -08003623 mInterceptor->saveSurfaceDeletion(l);
Mathias Agopian67106042013-03-14 19:18:13 -07003624 err = removeLayer(l);
3625 ALOGE_IF(err<0 && err != NAME_NOT_FOUND,
3626 "error removing layer=%p (%s)", l.get(), strerror(-err));
Mathias Agopian9a112062009-04-17 19:36:26 -07003627 }
3628 return err;
3629}
3630
Mathias Agopian13127d82013-03-05 17:47:11 -08003631status_t SurfaceFlinger::onLayerDestroyed(const wp<Layer>& layer)
Mathias Agopian9a112062009-04-17 19:36:26 -07003632{
Mathias Agopian67106042013-03-14 19:18:13 -07003633 // called by ~LayerCleaner() when all references to the IBinder (handle)
3634 // are gone
Robert Carr9524cb32017-02-13 11:32:32 -08003635 sp<Layer> l = layer.promote();
3636 if (l == nullptr) {
3637 // The layer has already been removed, carry on
3638 return NO_ERROR;
Robert Carr9524cb32017-02-13 11:32:32 -08003639 }
Chia-I Wu515dc9c2017-06-15 12:53:59 -07003640 // If we have a parent, then we can continue to live as long as it does.
3641 return removeLayer(l, true);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003642}
3643
Mathias Agopianb60314a2012-04-10 22:09:54 -07003644// ---------------------------------------------------------------------------
3645
Andy McFadden13a082e2012-08-24 10:16:42 -07003646void SurfaceFlinger::onInitializeDisplays() {
Jesse Hall01e29052013-02-19 16:13:35 -08003647 // reset screen orientation and use primary layer stack
Andy McFadden13a082e2012-08-24 10:16:42 -07003648 Vector<ComposerState> state;
3649 Vector<DisplayState> displays;
3650 DisplayState d;
Jesse Hall01e29052013-02-19 16:13:35 -08003651 d.what = DisplayState::eDisplayProjectionChanged |
3652 DisplayState::eLayerStackChanged;
Jesse Hall692c7232012-11-08 15:41:56 -08003653 d.token = mBuiltinDisplays[DisplayDevice::DISPLAY_PRIMARY];
Jesse Hall01e29052013-02-19 16:13:35 -08003654 d.layerStack = 0;
Andy McFadden13a082e2012-08-24 10:16:42 -07003655 d.orientation = DisplayState::eOrientationDefault;
Jeff Brown4c05dd12012-09-09 00:07:17 -07003656 d.frame.makeInvalid();
3657 d.viewport.makeInvalid();
Michael Lentine47e45402014-07-18 15:34:25 -07003658 d.width = 0;
3659 d.height = 0;
Andy McFadden13a082e2012-08-24 10:16:42 -07003660 displays.add(d);
3661 setTransactionState(state, displays, 0);
Steven Thomasb02664d2017-07-26 18:48:28 -07003662 setPowerModeInternal(getDisplayDevice(d.token), HWC_POWER_MODE_NORMAL,
3663 /*stateLockHeld*/ false);
Jamie Gennis6547ff42013-07-16 20:12:42 -07003664
David Sodman105b7dc2017-11-04 20:28:14 -07003665 const auto& activeConfig = getBE().mHwc->getActiveConfig(HWC_DISPLAY_PRIMARY);
Dan Stoza9e56aa02015-11-02 13:00:03 -08003666 const nsecs_t period = activeConfig->getVsyncPeriod();
Jamie Gennis6547ff42013-07-16 20:12:42 -07003667 mAnimFrameTracker.setDisplayRefreshPeriod(period);
Brian Anderson0a61b0c2016-12-07 14:55:56 -08003668
Brian Andersond0010582017-03-07 13:20:31 -08003669 // Use phase of 0 since phase is not known.
3670 // Use latency of 0, which will snap to the ideal latency.
3671 setCompositorTimingSnapped(0, period, 0);
Andy McFadden13a082e2012-08-24 10:16:42 -07003672}
3673
3674void SurfaceFlinger::initializeDisplays() {
3675 class MessageScreenInitialized : public MessageBase {
3676 SurfaceFlinger* flinger;
3677 public:
Chih-Hung Hsiehc4067912016-05-03 14:03:27 -07003678 explicit MessageScreenInitialized(SurfaceFlinger* flinger) : flinger(flinger) { }
Andy McFadden13a082e2012-08-24 10:16:42 -07003679 virtual bool handler() {
3680 flinger->onInitializeDisplays();
3681 return true;
3682 }
3683 };
3684 sp<MessageBase> msg = new MessageScreenInitialized(this);
3685 postMessageAsync(msg); // we may be called from main thread, use async message
3686}
3687
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003688void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& hw,
Steven Thomasb02664d2017-07-26 18:48:28 -07003689 int mode, bool stateLockHeld) {
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003690 ALOGD("Set power mode=%d, type=%d flinger=%p", mode, hw->getDisplayType(),
3691 this);
3692 int32_t type = hw->getDisplayType();
3693 int currentMode = hw->getPowerMode();
Andy McFadden13a082e2012-08-24 10:16:42 -07003694
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003695 if (mode == currentMode) {
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003696 return;
3697 }
3698
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003699 hw->setPowerMode(mode);
3700 if (type >= DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES) {
3701 ALOGW("Trying to set power mode for virtual display");
3702 return;
3703 }
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003704
Lloyd Pique4dccc412018-01-22 17:21:36 -08003705 if (mInterceptor->isEnabled()) {
Steven Thomasb02664d2017-07-26 18:48:28 -07003706 ConditionalLock lock(mStateLock, !stateLockHeld);
Irvelffc9efc2016-07-27 15:16:37 -07003707 ssize_t idx = mCurrentState.displays.indexOfKey(hw->getDisplayToken());
3708 if (idx < 0) {
3709 ALOGW("Surface Interceptor SavePowerMode: invalid display token");
3710 return;
3711 }
Lloyd Pique4dccc412018-01-22 17:21:36 -08003712 mInterceptor->savePowerModeUpdate(mCurrentState.displays.valueAt(idx).displayId, mode);
Irvelffc9efc2016-07-27 15:16:37 -07003713 }
3714
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003715 if (currentMode == HWC_POWER_MODE_OFF) {
Tim Murrayf9d4e442016-08-02 15:43:59 -07003716 // Turn on the display
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003717 getHwComposer().setPowerMode(type, mode);
Matthew Bouyack38d49612017-05-12 12:49:32 -07003718 if (type == DisplayDevice::DISPLAY_PRIMARY &&
3719 mode != HWC_POWER_MODE_DOZE_SUSPEND) {
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003720 // FIXME: eventthread only knows about the main display right now
3721 mEventThread->onScreenAcquired();
Jesse Hall948fe0c2013-10-14 12:56:09 -07003722 resyncToHardwareVsync(true);
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003723 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003724
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003725 mVisibleRegionsDirty = true;
Dan Stozab90cf072015-03-05 11:05:59 -08003726 mHasPoweredOff = true;
Steven Thomas6d8110b2017-08-31 18:24:21 -07003727 repaintEverythingLocked();
Tim Murrayf9d4e442016-08-02 15:43:59 -07003728
3729 struct sched_param param = {0};
3730 param.sched_priority = 1;
3731 if (sched_setscheduler(0, SCHED_FIFO, &param) != 0) {
3732 ALOGW("Couldn't set SCHED_FIFO on display on");
3733 }
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003734 } else if (mode == HWC_POWER_MODE_OFF) {
Tim Murrayf9d4e442016-08-02 15:43:59 -07003735 // Turn off the display
3736 struct sched_param param = {0};
3737 if (sched_setscheduler(0, SCHED_OTHER, &param) != 0) {
3738 ALOGW("Couldn't set SCHED_OTHER on display off");
3739 }
3740
Matthew Bouyackcd9b55c2017-06-01 14:37:29 -07003741 if (type == DisplayDevice::DISPLAY_PRIMARY &&
3742 currentMode != HWC_POWER_MODE_DOZE_SUSPEND) {
Jesse Hall948fe0c2013-10-14 12:56:09 -07003743 disableHardwareVsync(true); // also cancels any in-progress resync
3744
Mathias Agopiancde87a32012-09-13 14:09:01 -07003745 // FIXME: eventthread only knows about the main display right now
3746 mEventThread->onScreenReleased();
3747 }
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003748
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003749 getHwComposer().setPowerMode(type, mode);
3750 mVisibleRegionsDirty = true;
3751 // from this point on, SF will stop drawing on this display
Matthew Bouyack38d49612017-05-12 12:49:32 -07003752 } else if (mode == HWC_POWER_MODE_DOZE ||
3753 mode == HWC_POWER_MODE_NORMAL) {
Zheng Zhang8a43fe62017-03-17 11:19:39 +01003754 // Update display while dozing
3755 getHwComposer().setPowerMode(type, mode);
Matthew Bouyackcd9b55c2017-06-01 14:37:29 -07003756 if (type == DisplayDevice::DISPLAY_PRIMARY &&
3757 currentMode == HWC_POWER_MODE_DOZE_SUSPEND) {
Zheng Zhang8a43fe62017-03-17 11:19:39 +01003758 // FIXME: eventthread only knows about the main display right now
3759 mEventThread->onScreenAcquired();
3760 resyncToHardwareVsync(true);
3761 }
3762 } else if (mode == HWC_POWER_MODE_DOZE_SUSPEND) {
3763 // Leave display going to doze
3764 if (type == DisplayDevice::DISPLAY_PRIMARY) {
3765 disableHardwareVsync(true); // also cancels any in-progress resync
3766 // FIXME: eventthread only knows about the main display right now
3767 mEventThread->onScreenReleased();
3768 }
3769 getHwComposer().setPowerMode(type, mode);
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003770 } else {
Matthew Bouyack38d49612017-05-12 12:49:32 -07003771 ALOGE("Attempting to set unknown power mode: %d\n", mode);
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003772 getHwComposer().setPowerMode(type, mode);
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003773 }
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003774}
3775
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003776void SurfaceFlinger::setPowerMode(const sp<IBinder>& display, int mode) {
3777 class MessageSetPowerMode: public MessageBase {
Mathias Agopiandb9b41f2012-10-15 16:51:41 -07003778 SurfaceFlinger& mFlinger;
3779 sp<IBinder> mDisplay;
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003780 int mMode;
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003781 public:
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003782 MessageSetPowerMode(SurfaceFlinger& flinger,
3783 const sp<IBinder>& disp, int mode) : mFlinger(flinger),
3784 mDisplay(disp) { mMode = mode; }
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003785 virtual bool handler() {
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003786 sp<DisplayDevice> hw(mFlinger.getDisplayDevice(mDisplay));
Peiyong Lin566a3b42018-01-09 18:22:43 -08003787 if (hw == nullptr) {
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003788 ALOGE("Attempt to set power mode = %d for null display %p",
Michael Lentine7306c672014-07-30 13:00:37 -07003789 mMode, mDisplay.get());
Jesse Hall9e663de2013-08-16 14:28:37 -07003790 } else if (hw->getDisplayType() >= DisplayDevice::DISPLAY_VIRTUAL) {
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003791 ALOGW("Attempt to set power mode = %d for virtual display",
3792 mMode);
Mathias Agopiandb9b41f2012-10-15 16:51:41 -07003793 } else {
Steven Thomasb02664d2017-07-26 18:48:28 -07003794 mFlinger.setPowerModeInternal(
3795 hw, mMode, /*stateLockHeld*/ false);
Mathias Agopiandb9b41f2012-10-15 16:51:41 -07003796 }
Andy McFaddenc01a79d2012-09-27 16:02:06 -07003797 return true;
3798 }
3799 };
Prashant Malani2c9b11f2014-05-25 01:36:31 -07003800 sp<MessageBase> msg = new MessageSetPowerMode(*this, display, mode);
Mathias Agopiandb9b41f2012-10-15 16:51:41 -07003801 postMessageSync(msg);
Mathias Agopianb60314a2012-04-10 22:09:54 -07003802}
3803
3804// ---------------------------------------------------------------------------
3805
Lloyd Pique755e3192018-01-31 16:46:15 -08003806status_t SurfaceFlinger::doDump(int fd, const Vector<String16>& args, bool asProto)
3807 NO_THREAD_SAFETY_ANALYSIS {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003808 String8 result;
Mathias Agopian99b49842011-06-27 16:05:52 -07003809
Mathias Agopianbd115332013-04-18 16:41:04 -07003810 IPCThreadState* ipc = IPCThreadState::self();
3811 const int pid = ipc->getCallingPid();
3812 const int uid = ipc->getCallingUid();
Vishnu Nair6a408532017-10-24 09:11:27 -07003813
Mathias Agopianbd115332013-04-18 16:41:04 -07003814 if ((uid != AID_SHELL) &&
3815 !PermissionCache::checkPermission(sDump, pid, uid)) {
Mathias Agopian74d211a2013-04-22 16:55:35 +02003816 result.appendFormat("Permission Denial: "
Mathias Agopianbd115332013-04-18 16:41:04 -07003817 "can't dump SurfaceFlinger from pid=%d, uid=%d\n", pid, uid);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003818 } else {
Jesse Hallfcd15b42014-12-23 13:57:23 -08003819 // Try to get the main lock, but give up after one second
Mathias Agopian9795c422009-08-26 16:36:26 -07003820 // (this would indicate SF is stuck, but we want to be able to
3821 // print something in dumpsys).
Jesse Hallfcd15b42014-12-23 13:57:23 -08003822 status_t err = mStateLock.timedLock(s2ns(1));
3823 bool locked = (err == NO_ERROR);
Mathias Agopian9795c422009-08-26 16:36:26 -07003824 if (!locked) {
Jesse Hallfcd15b42014-12-23 13:57:23 -08003825 result.appendFormat(
3826 "SurfaceFlinger appears to be unresponsive (%s [%d]), "
3827 "dumping anyways (no locks held)\n", strerror(-err), err);
Mathias Agopian9795c422009-08-26 16:36:26 -07003828 }
3829
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003830 bool dumpAll = true;
3831 size_t index = 0;
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003832 size_t numArgs = args.size();
chaviwa3d7bd32017-11-03 09:41:53 -07003833
3834 if (asProto) {
Jorim Jaggi8e0af362017-11-14 16:28:28 +01003835 LayersProto layersProto = dumpProtoInfo(LayerVector::StateSet::Current);
chaviwa3d7bd32017-11-03 09:41:53 -07003836 result.append(layersProto.SerializeAsString().c_str(), layersProto.ByteSize());
3837 dumpAll = false;
3838 }
3839
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003840 if (numArgs) {
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003841 if ((index < numArgs) &&
3842 (args[index] == String16("--list"))) {
3843 index++;
Mathias Agopian74d211a2013-04-22 16:55:35 +02003844 listLayersLocked(args, index, result);
Mathias Agopian35aadd62012-03-08 22:01:51 -08003845 dumpAll = false;
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003846 }
3847
3848 if ((index < numArgs) &&
3849 (args[index] == String16("--latency"))) {
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003850 index++;
Mathias Agopian74d211a2013-04-22 16:55:35 +02003851 dumpStatsLocked(args, index, result);
Mathias Agopian35aadd62012-03-08 22:01:51 -08003852 dumpAll = false;
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003853 }
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003854
3855 if ((index < numArgs) &&
3856 (args[index] == String16("--latency-clear"))) {
3857 index++;
Mathias Agopian74d211a2013-04-22 16:55:35 +02003858 clearStatsLocked(args, index, result);
Mathias Agopian35aadd62012-03-08 22:01:51 -08003859 dumpAll = false;
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003860 }
Andy McFaddenc751e922014-05-08 14:53:26 -07003861
3862 if ((index < numArgs) &&
3863 (args[index] == String16("--dispsync"))) {
3864 index++;
3865 mPrimaryDispSync.dump(result);
3866 dumpAll = false;
3867 }
Dan Stozab90cf072015-03-05 11:05:59 -08003868
3869 if ((index < numArgs) &&
3870 (args[index] == String16("--static-screen"))) {
3871 index++;
3872 dumpStaticScreenStats(result);
3873 dumpAll = false;
3874 }
Pablo Ceballos40845df2016-01-25 17:41:15 -08003875
3876 if ((index < numArgs) &&
Brian Andersond6927fb2016-07-23 23:37:30 -07003877 (args[index] == String16("--frame-events"))) {
Pablo Ceballos40845df2016-01-25 17:41:15 -08003878 index++;
Brian Andersond6927fb2016-07-23 23:37:30 -07003879 dumpFrameEventsLocked(result);
Pablo Ceballos40845df2016-01-25 17:41:15 -08003880 dumpAll = false;
3881 }
Courtney Goeltzenleuchterf3b2de12017-03-27 12:18:12 -06003882
3883 if ((index < numArgs) && (args[index] == String16("--wide-color"))) {
3884 index++;
3885 dumpWideColorInfo(result);
3886 dumpAll = false;
3887 }
Yiwei Zhang7124ad32018-02-21 13:02:45 -08003888
3889 if ((index < numArgs) &&
3890 (args[index] == String16("--enable-layer-stats"))) {
3891 index++;
3892 mLayerStats.enable();
3893 dumpAll = false;
3894 }
3895
3896 if ((index < numArgs) &&
3897 (args[index] == String16("--disable-layer-stats"))) {
3898 index++;
3899 mLayerStats.disable();
3900 dumpAll = false;
3901 }
3902
3903 if ((index < numArgs) &&
3904 (args[index] == String16("--clear-layer-stats"))) {
3905 index++;
3906 mLayerStats.clear();
3907 dumpAll = false;
3908 }
3909
3910 if ((index < numArgs) &&
3911 (args[index] == String16("--dump-layer-stats"))) {
3912 index++;
3913 mLayerStats.dump(result);
3914 dumpAll = false;
3915 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003916 }
Mathias Agopian1b5e1022010-04-20 17:55:49 -07003917
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003918 if (dumpAll) {
Mathias Agopian74d211a2013-04-22 16:55:35 +02003919 dumpAllLocked(args, index, result);
Mathias Agopian48b888a2011-01-19 16:15:53 -08003920 }
3921
Mathias Agopian9795c422009-08-26 16:36:26 -07003922 if (locked) {
3923 mStateLock.unlock();
3924 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08003925 }
3926 write(fd, result.string(), result.size());
3927 return NO_ERROR;
3928}
3929
Dan Stozac7014012014-02-14 15:03:43 -08003930void SurfaceFlinger::listLayersLocked(const Vector<String16>& /* args */,
3931 size_t& /* index */, String8& result) const
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003932{
Robert Carr2047fae2016-11-28 14:09:09 -08003933 mCurrentState.traverseInZOrder([&](Layer* layer) {
Mathias Agopian74d211a2013-04-22 16:55:35 +02003934 result.appendFormat("%s\n", layer->getName().string());
Robert Carr2047fae2016-11-28 14:09:09 -08003935 });
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003936}
3937
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003938void SurfaceFlinger::dumpStatsLocked(const Vector<String16>& args, size_t& index,
Mathias Agopian74d211a2013-04-22 16:55:35 +02003939 String8& result) const
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003940{
3941 String8 name;
3942 if (index < args.size()) {
3943 name = String8(args[index]);
3944 index++;
3945 }
3946
David Sodman105b7dc2017-11-04 20:28:14 -07003947 const auto& activeConfig = getBE().mHwc->getActiveConfig(HWC_DISPLAY_PRIMARY);
Dan Stoza9e56aa02015-11-02 13:00:03 -08003948 const nsecs_t period = activeConfig->getVsyncPeriod();
Greg Hackmann86efcc02014-03-07 12:44:02 -08003949 result.appendFormat("%" PRId64 "\n", period);
Jamie Gennis4b0eba92013-02-05 13:30:24 -08003950
3951 if (name.isEmpty()) {
Svetoslavd85084b2014-03-20 10:28:31 -07003952 mAnimFrameTracker.dumpStats(result);
Jamie Gennis4b0eba92013-02-05 13:30:24 -08003953 } else {
Robert Carr2047fae2016-11-28 14:09:09 -08003954 mCurrentState.traverseInZOrder([&](Layer* layer) {
Jamie Gennis4b0eba92013-02-05 13:30:24 -08003955 if (name == layer->getName()) {
Svetoslavd85084b2014-03-20 10:28:31 -07003956 layer->dumpFrameStats(result);
Jamie Gennis4b0eba92013-02-05 13:30:24 -08003957 }
Robert Carr2047fae2016-11-28 14:09:09 -08003958 });
Mathias Agopian82d7ab62012-01-19 18:34:40 -08003959 }
3960}
3961
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003962void SurfaceFlinger::clearStatsLocked(const Vector<String16>& args, size_t& index,
Dan Stozac7014012014-02-14 15:03:43 -08003963 String8& /* result */)
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003964{
3965 String8 name;
3966 if (index < args.size()) {
3967 name = String8(args[index]);
3968 index++;
3969 }
3970
Robert Carr2047fae2016-11-28 14:09:09 -08003971 mCurrentState.traverseInZOrder([&](Layer* layer) {
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003972 if (name.isEmpty() || (name == layer->getName())) {
Svetoslavd85084b2014-03-20 10:28:31 -07003973 layer->clearFrameStats();
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003974 }
Robert Carr2047fae2016-11-28 14:09:09 -08003975 });
Jamie Gennis4b0eba92013-02-05 13:30:24 -08003976
Svetoslavd85084b2014-03-20 10:28:31 -07003977 mAnimFrameTracker.clearStats();
Mathias Agopian25e66fc2012-01-28 22:31:55 -08003978}
3979
Jamie Gennis6547ff42013-07-16 20:12:42 -07003980// This should only be called from the main thread. Otherwise it would need
3981// the lock and should use mCurrentState rather than mDrawingState.
3982void SurfaceFlinger::logFrameStats() {
Robert Carr2047fae2016-11-28 14:09:09 -08003983 mDrawingState.traverseInZOrder([&](Layer* layer) {
Jamie Gennis6547ff42013-07-16 20:12:42 -07003984 layer->logFrameStats();
Robert Carr2047fae2016-11-28 14:09:09 -08003985 });
Jamie Gennis6547ff42013-07-16 20:12:42 -07003986
3987 mAnimFrameTracker.logAndResetStats(String8("<win-anim>"));
3988}
3989
Fabien Sanglard63a5fcd2016-12-29 15:13:07 -08003990void SurfaceFlinger::appendSfConfigString(String8& result) const
Andy McFadden4803b742012-09-24 19:07:20 -07003991{
Fabien Sanglard63a5fcd2016-12-29 15:13:07 -08003992 result.append(" [sf");
Fabien Sanglardc93afd52017-03-13 13:02:42 -07003993
Fabien Sanglard63a5fcd2016-12-29 15:13:07 -08003994 if (isLayerTripleBufferingDisabled())
3995 result.append(" DISABLE_TRIPLE_BUFFERING");
Fabien Sanglardc45a7d92017-03-14 13:24:22 -07003996
3997 result.appendFormat(" PRESENT_TIME_OFFSET=%" PRId64 , dispSyncPresentTimeOffset);
Fabien Sanglarda34ed632017-03-14 11:43:52 -07003998 result.appendFormat(" FORCE_HWC_FOR_RBG_TO_YUV=%d", useHwcForRgbToYuv);
Fabien Sanglardc8e387e2017-03-10 10:30:28 -08003999 result.appendFormat(" MAX_VIRT_DISPLAY_DIM=%" PRIu64, maxVirtualDisplaySize);
Fabien Sanglardcbf153b2017-03-10 17:57:12 -08004000 result.appendFormat(" RUNNING_WITHOUT_SYNC_FRAMEWORK=%d", !hasSyncFramework);
Fabien Sanglard1971b632017-03-10 14:50:03 -08004001 result.appendFormat(" NUM_FRAMEBUFFER_SURFACE_BUFFERS=%" PRId64,
4002 maxFrameBufferAcquiredBuffers);
Fabien Sanglard63a5fcd2016-12-29 15:13:07 -08004003 result.append("]");
Andy McFadden4803b742012-09-24 19:07:20 -07004004}
4005
Dan Stozab90cf072015-03-05 11:05:59 -08004006void SurfaceFlinger::dumpStaticScreenStats(String8& result) const
4007{
4008 result.appendFormat("Static screen stats:\n");
David Sodman4a36e932017-11-07 14:29:47 -08004009 for (size_t b = 0; b < SurfaceFlingerBE::NUM_BUCKETS - 1; ++b) {
4010 float bucketTimeSec = getBE().mFrameBuckets[b] / 1e9;
Dan Stozab90cf072015-03-05 11:05:59 -08004011 float percent = 100.0f *
David Sodman4a36e932017-11-07 14:29:47 -08004012 static_cast<float>(getBE().mFrameBuckets[b]) / getBE().mTotalTime;
Dan Stozab90cf072015-03-05 11:05:59 -08004013 result.appendFormat(" < %zd frames: %.3f s (%.1f%%)\n",
4014 b + 1, bucketTimeSec, percent);
4015 }
David Sodman4a36e932017-11-07 14:29:47 -08004016 float bucketTimeSec = getBE().mFrameBuckets[SurfaceFlingerBE::NUM_BUCKETS - 1] / 1e9;
Dan Stozab90cf072015-03-05 11:05:59 -08004017 float percent = 100.0f *
David Sodman4a36e932017-11-07 14:29:47 -08004018 static_cast<float>(getBE().mFrameBuckets[SurfaceFlingerBE::NUM_BUCKETS - 1]) / getBE().mTotalTime;
Dan Stozab90cf072015-03-05 11:05:59 -08004019 result.appendFormat(" %zd+ frames: %.3f s (%.1f%%)\n",
David Sodman4a36e932017-11-07 14:29:47 -08004020 SurfaceFlingerBE::NUM_BUCKETS - 1, bucketTimeSec, percent);
Dan Stozab90cf072015-03-05 11:05:59 -08004021}
4022
Dan Stozae77c7662016-05-13 11:37:28 -07004023void SurfaceFlinger::recordBufferingStats(const char* layerName,
4024 std::vector<OccupancyTracker::Segment>&& history) {
David Sodmancbaf0832017-11-07 14:21:36 -08004025 Mutex::Autolock lock(getBE().mBufferingStatsMutex);
4026 auto& stats = getBE().mBufferingStats[layerName];
Dan Stozae77c7662016-05-13 11:37:28 -07004027 for (const auto& segment : history) {
4028 if (!segment.usedThirdBuffer) {
4029 stats.twoBufferTime += segment.totalTime;
4030 }
4031 if (segment.occupancyAverage < 1.0f) {
4032 stats.doubleBufferedTime += segment.totalTime;
4033 } else if (segment.occupancyAverage < 2.0f) {
4034 stats.tripleBufferedTime += segment.totalTime;
4035 }
4036 ++stats.numSegments;
4037 stats.totalTime += segment.totalTime;
4038 }
4039}
4040
Brian Andersond6927fb2016-07-23 23:37:30 -07004041void SurfaceFlinger::dumpFrameEventsLocked(String8& result) {
4042 result.appendFormat("Layer frame timestamps:\n");
4043
4044 const LayerVector& currentLayers = mCurrentState.layersSortedByZ;
4045 const size_t count = currentLayers.size();
4046 for (size_t i=0 ; i<count ; i++) {
4047 currentLayers[i]->dumpFrameEvents(result);
4048 }
4049}
4050
Dan Stozae77c7662016-05-13 11:37:28 -07004051void SurfaceFlinger::dumpBufferingStats(String8& result) const {
4052 result.append("Buffering stats:\n");
4053 result.append(" [Layer name] <Active time> <Two buffer> "
4054 "<Double buffered> <Triple buffered>\n");
David Sodmancbaf0832017-11-07 14:21:36 -08004055 Mutex::Autolock lock(getBE().mBufferingStatsMutex);
Dan Stozae77c7662016-05-13 11:37:28 -07004056 typedef std::tuple<std::string, float, float, float> BufferTuple;
4057 std::map<float, BufferTuple, std::greater<float>> sorted;
David Sodmancbaf0832017-11-07 14:21:36 -08004058 for (const auto& statsPair : getBE().mBufferingStats) {
Dan Stozae77c7662016-05-13 11:37:28 -07004059 const char* name = statsPair.first.c_str();
David Sodmancbaf0832017-11-07 14:21:36 -08004060 const SurfaceFlingerBE::BufferingStats& stats = statsPair.second;
Dan Stozae77c7662016-05-13 11:37:28 -07004061 if (stats.numSegments == 0) {
4062 continue;
4063 }
4064 float activeTime = ns2ms(stats.totalTime) / 1000.0f;
4065 float twoBufferRatio = static_cast<float>(stats.twoBufferTime) /
4066 stats.totalTime;
4067 float doubleBufferRatio = static_cast<float>(
4068 stats.doubleBufferedTime) / stats.totalTime;
4069 float tripleBufferRatio = static_cast<float>(
4070 stats.tripleBufferedTime) / stats.totalTime;
4071 sorted.insert({activeTime, {name, twoBufferRatio,
4072 doubleBufferRatio, tripleBufferRatio}});
4073 }
4074 for (const auto& sortedPair : sorted) {
4075 float activeTime = sortedPair.first;
4076 const BufferTuple& values = sortedPair.second;
4077 result.appendFormat(" [%s] %.2f %.3f %.3f %.3f\n",
4078 std::get<0>(values).c_str(), activeTime,
4079 std::get<1>(values), std::get<2>(values),
4080 std::get<3>(values));
4081 }
4082 result.append("\n");
4083}
4084
Courtney Goeltzenleuchterf3b2de12017-03-27 12:18:12 -06004085void SurfaceFlinger::dumpWideColorInfo(String8& result) const {
4086 result.appendFormat("hasWideColorDisplay: %d\n", hasWideColorDisplay);
Romain Guy54f154a2017-10-24 21:40:32 +01004087 result.appendFormat("forceNativeColorMode: %d\n", mForceNativeColorMode);
Courtney Goeltzenleuchterf3b2de12017-03-27 12:18:12 -06004088
4089 // TODO: print out if wide-color mode is active or not
4090
4091 for (size_t d = 0; d < mDisplays.size(); d++) {
4092 const sp<const DisplayDevice>& displayDevice(mDisplays[d]);
4093 int32_t hwcId = displayDevice->getHwcDisplayId();
4094 if (hwcId == DisplayDevice::DISPLAY_ID_INVALID) {
4095 continue;
4096 }
4097
4098 result.appendFormat("Display %d color modes:\n", hwcId);
Peiyong Lina52f0292018-03-14 17:26:31 -07004099 std::vector<ColorMode> modes = getHwComposer().getColorModes(hwcId);
Courtney Goeltzenleuchterf3b2de12017-03-27 12:18:12 -06004100 for (auto&& mode : modes) {
4101 result.appendFormat(" %s (%d)\n", decodeColorMode(mode).c_str(), mode);
4102 }
4103
Peiyong Lina52f0292018-03-14 17:26:31 -07004104 ColorMode currentMode = displayDevice->getActiveColorMode();
Courtney Goeltzenleuchterf3b2de12017-03-27 12:18:12 -06004105 result.appendFormat(" Current color mode: %s (%d)\n",
4106 decodeColorMode(currentMode).c_str(), currentMode);
4107 }
4108 result.append("\n");
4109}
4110
Jorim Jaggi8e0af362017-11-14 16:28:28 +01004111LayersProto SurfaceFlinger::dumpProtoInfo(LayerVector::StateSet stateSet) const {
chaviw1d044282017-09-27 12:19:28 -07004112 LayersProto layersProto;
Jorim Jaggi8e0af362017-11-14 16:28:28 +01004113 const bool useDrawing = stateSet == LayerVector::StateSet::Drawing;
4114 const State& state = useDrawing ? mDrawingState : mCurrentState;
4115 state.traverseInZOrder([&](Layer* layer) {
chaviw1d044282017-09-27 12:19:28 -07004116 LayerProto* layerProto = layersProto.add_layers();
Jorim Jaggi8e0af362017-11-14 16:28:28 +01004117 layer->writeToProto(layerProto, stateSet);
chaviw1d044282017-09-27 12:19:28 -07004118 });
4119
4120 return layersProto;
4121}
4122
Yiwei Zhang7124ad32018-02-21 13:02:45 -08004123LayersProto SurfaceFlinger::dumpVisibleLayersProtoInfo(int32_t hwcId) const {
4124 LayersProto layersProto;
4125
4126 const sp<DisplayDevice>& displayDevice(mDisplays[hwcId]);
4127 SizeProto* resolution = layersProto.mutable_resolution();
4128 resolution->set_w(displayDevice->getWidth());
4129 resolution->set_h(displayDevice->getHeight());
4130
4131 mDrawingState.traverseInZOrder([&](Layer* layer) {
4132 if (!layer->visibleRegion.isEmpty() &&
4133 layer->getBE().mHwcLayers.count(hwcId)) {
4134 LayerProto* layerProto = layersProto.add_layers();
4135 layer->writeToProto(layerProto, hwcId);
4136 }
4137 });
4138
4139 return layersProto;
4140}
4141
Mathias Agopian74d211a2013-04-22 16:55:35 +02004142void SurfaceFlinger::dumpAllLocked(const Vector<String16>& args, size_t& index,
4143 String8& result) const
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004144{
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004145 bool colorize = false;
4146 if (index < args.size()
4147 && (args[index] == String16("--color"))) {
4148 colorize = true;
4149 index++;
4150 }
4151
4152 Colorizer colorizer(colorize);
4153
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004154 // figure out if we're stuck somewhere
4155 const nsecs_t now = systemTime();
4156 const nsecs_t inSwapBuffers(mDebugInSwapBuffers);
4157 const nsecs_t inTransaction(mDebugInTransaction);
4158 nsecs_t inSwapBuffersDuration = (inSwapBuffers) ? now-inSwapBuffers : 0;
4159 nsecs_t inTransactionDuration = (inTransaction) ? now-inTransaction : 0;
4160
4161 /*
Andy McFadden4803b742012-09-24 19:07:20 -07004162 * Dump library configuration.
4163 */
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004164
4165 colorizer.bold(result);
Andy McFadden4803b742012-09-24 19:07:20 -07004166 result.append("Build configuration:");
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004167 colorizer.reset(result);
Andy McFadden4803b742012-09-24 19:07:20 -07004168 appendSfConfigString(result);
4169 appendUiConfigString(result);
4170 appendGuiConfigString(result);
4171 result.append("\n");
4172
Courtney Goeltzenleuchterf3b2de12017-03-27 12:18:12 -06004173 result.append("\nWide-Color information:\n");
4174 dumpWideColorInfo(result);
4175
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004176 colorizer.bold(result);
Mathias Agopianca088332013-03-28 17:44:13 -07004177 result.append("Sync configuration: ");
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004178 colorizer.reset(result);
Mathias Agopianca088332013-03-28 17:44:13 -07004179 result.append(SyncFeatures::getInstance().toString());
4180 result.append("\n");
4181
David Sodman105b7dc2017-11-04 20:28:14 -07004182 const auto& activeConfig = getBE().mHwc->getActiveConfig(HWC_DISPLAY_PRIMARY);
Dan Stoza9e56aa02015-11-02 13:00:03 -08004183
Andy McFadden41d67d72014-04-25 16:58:34 -07004184 colorizer.bold(result);
4185 result.append("DispSync configuration: ");
4186 colorizer.reset(result);
Jesse Hall24cd98e2014-07-13 14:37:16 -07004187 result.appendFormat("app phase %" PRId64 " ns, sf phase %" PRId64 " ns, "
Fabien Sanglardc45a7d92017-03-14 13:24:22 -07004188 "present offset %" PRId64 " ns (refresh %" PRId64 " ns)",
Dan Stoza9e56aa02015-11-02 13:00:03 -08004189 vsyncPhaseOffsetNs, sfVsyncPhaseOffsetNs,
Fabien Sanglardc45a7d92017-03-14 13:24:22 -07004190 dispSyncPresentTimeOffset, activeConfig->getVsyncPeriod());
Andy McFadden41d67d72014-04-25 16:58:34 -07004191 result.append("\n");
4192
Dan Stozab90cf072015-03-05 11:05:59 -08004193 // Dump static screen stats
4194 result.append("\n");
4195 dumpStaticScreenStats(result);
4196 result.append("\n");
4197
Dan Stozae77c7662016-05-13 11:37:28 -07004198 dumpBufferingStats(result);
4199
Andy McFadden4803b742012-09-24 19:07:20 -07004200 /*
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004201 * Dump the visible layer list
4202 */
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004203 colorizer.bold(result);
Robert Carr1f0a16a2016-10-24 16:27:39 -07004204 result.appendFormat("Visible layers (count = %zu)\n", mNumLayers);
Dan Stoza0a0158c2018-03-16 13:38:54 -07004205 result.appendFormat("GraphicBufferProducers: %zu, max %zu\n",
4206 mGraphicBufferProducerList.size(), mMaxGraphicBufferProducerListSize);
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004207 colorizer.reset(result);
chaviw1d044282017-09-27 12:19:28 -07004208
Jorim Jaggi8e0af362017-11-14 16:28:28 +01004209 LayersProto layersProto = dumpProtoInfo(LayerVector::StateSet::Current);
chaviw1d044282017-09-27 12:19:28 -07004210 auto layerTree = LayerProtoParser::generateLayerTree(layersProto);
4211 result.append(LayerProtoParser::layersToString(layerTree).c_str());
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004212
4213 /*
Mathias Agopian5f20e2d2012-08-10 18:50:38 -07004214 * Dump Display state
4215 */
4216
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004217 colorizer.bold(result);
Greg Hackmann86efcc02014-03-07 12:44:02 -08004218 result.appendFormat("Displays (%zu entries)\n", mDisplays.size());
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004219 colorizer.reset(result);
Mathias Agopian5f20e2d2012-08-10 18:50:38 -07004220 for (size_t dpy=0 ; dpy<mDisplays.size() ; dpy++) {
4221 const sp<const DisplayDevice>& hw(mDisplays[dpy]);
Mathias Agopian74d211a2013-04-22 16:55:35 +02004222 hw->dump(result);
Mathias Agopian5f20e2d2012-08-10 18:50:38 -07004223 }
4224
4225 /*
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004226 * Dump SurfaceFlinger global state
4227 */
4228
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004229 colorizer.bold(result);
Mathias Agopian74d211a2013-04-22 16:55:35 +02004230 result.append("SurfaceFlinger global state:\n");
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004231 colorizer.reset(result);
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004232
Mathias Agopian888c8222012-08-04 21:10:38 -07004233 HWComposer& hwc(getHwComposer());
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07004234 sp<const DisplayDevice> hw(getDefaultDisplayDeviceLocked());
Mathias Agopianca088332013-03-28 17:44:13 -07004235
David Sodmanbc815282017-11-05 18:57:52 -08004236 getBE().mRenderEngine->dump(result);
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004237
Lloyd Pique2ae2b3b2017-12-14 17:18:17 -08004238 if (hw) {
4239 hw->undefinedRegion.dump(result, "undefinedRegion");
4240 result.appendFormat(" orientation=%d, isDisplayOn=%d\n",
4241 hw->getOrientation(), hw->isDisplayOn());
4242 }
Mathias Agopian74d211a2013-04-22 16:55:35 +02004243 result.appendFormat(
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004244 " last eglSwapBuffers() time: %f us\n"
4245 " last transaction time : %f us\n"
Mathias Agopianc95dbdc2012-02-05 00:19:27 -08004246 " transaction-flags : %08x\n"
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004247 " refresh-rate : %f fps\n"
4248 " x-dpi : %f\n"
Mathias Agopianed985572013-03-22 00:24:39 -07004249 " y-dpi : %f\n"
Mathias Agopianed985572013-03-22 00:24:39 -07004250 " gpu_to_cpu_unsupported : %d\n"
4251 ,
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004252 mLastSwapBufferTime/1000.0,
4253 mLastTransactionTime/1000.0,
Mathias Agopianc95dbdc2012-02-05 00:19:27 -08004254 mTransactionFlags,
Dan Stoza9e56aa02015-11-02 13:00:03 -08004255 1e9 / activeConfig->getVsyncPeriod(),
4256 activeConfig->getDpiX(),
4257 activeConfig->getDpiY(),
Mathias Agopianed985572013-03-22 00:24:39 -07004258 !mGpuToCpuSupported);
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004259
Mathias Agopian74d211a2013-04-22 16:55:35 +02004260 result.appendFormat(" eglSwapBuffers time: %f us\n",
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004261 inSwapBuffersDuration/1000.0);
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004262
Mathias Agopian74d211a2013-04-22 16:55:35 +02004263 result.appendFormat(" transaction time: %f us\n",
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004264 inTransactionDuration/1000.0);
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004265
4266 /*
4267 * VSYNC state
4268 */
Mathias Agopian74d211a2013-04-22 16:55:35 +02004269 mEventThread->dump(result);
Dan Stozae22aec72016-08-01 13:20:59 -07004270 result.append("\n");
4271
4272 /*
4273 * HWC layer minidump
4274 */
4275 for (size_t d = 0; d < mDisplays.size(); d++) {
4276 const sp<const DisplayDevice>& displayDevice(mDisplays[d]);
4277 int32_t hwcId = displayDevice->getHwcDisplayId();
4278 if (hwcId == DisplayDevice::DISPLAY_ID_INVALID) {
4279 continue;
4280 }
4281
4282 result.appendFormat("Display %d HWC layers:\n", hwcId);
4283 Layer::miniDumpHeader(result);
Robert Carr1f0a16a2016-10-24 16:27:39 -07004284 mCurrentState.traverseInZOrder([&](Layer* layer) {
Dan Stozae22aec72016-08-01 13:20:59 -07004285 layer->miniDump(result, hwcId);
Robert Carr1f0a16a2016-10-24 16:27:39 -07004286 });
Dan Stozae22aec72016-08-01 13:20:59 -07004287 result.append("\n");
4288 }
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004289
4290 /*
4291 * Dump HWComposer state
4292 */
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004293 colorizer.bold(result);
Mathias Agopian74d211a2013-04-22 16:55:35 +02004294 result.append("h/w composer state:\n");
Mathias Agopian3e25fd82013-04-22 17:52:16 +02004295 colorizer.reset(result);
Dan Stoza9f26a9c2016-06-22 14:51:09 -07004296 bool hwcDisabled = mDebugDisableHWC || mDebugRegion;
Dan Stoza9e56aa02015-11-02 13:00:03 -08004297 result.appendFormat(" h/w composer %s\n",
4298 hwcDisabled ? "disabled" : "enabled");
Mathias Agopian74d211a2013-04-22 16:55:35 +02004299 hwc.dump(result);
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004300
4301 /*
4302 * Dump gralloc state
4303 */
4304 const GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
4305 alloc.dump(result);
Karthik Ravi Shankar171155a2017-06-28 15:40:24 -07004306
4307 /*
4308 * Dump VrFlinger state if in use.
4309 */
4310 if (mVrFlingerRequestsDisplay && mVrFlinger) {
4311 result.append("VrFlinger state:\n");
4312 result.append(mVrFlinger->Dump().c_str());
4313 result.append("\n");
4314 }
Mathias Agopian82d7ab62012-01-19 18:34:40 -08004315}
4316
Mathias Agopian13127d82013-03-05 17:47:11 -08004317const Vector< sp<Layer> >&
Jesse Hall48bc05b2013-03-21 14:06:52 -07004318SurfaceFlinger::getLayerSortedByZForHwcDisplay(int id) {
Mathias Agopiandb9b41f2012-10-15 16:51:41 -07004319 // Note: mStateLock is held here
Jesse Hall48bc05b2013-03-21 14:06:52 -07004320 wp<IBinder> dpy;
4321 for (size_t i=0 ; i<mDisplays.size() ; i++) {
4322 if (mDisplays.valueAt(i)->getHwcDisplayId() == id) {
4323 dpy = mDisplays.keyAt(i);
4324 break;
4325 }
4326 }
Peiyong Lin566a3b42018-01-09 18:22:43 -08004327 if (dpy == nullptr) {
Jesse Hall48bc05b2013-03-21 14:06:52 -07004328 ALOGE("getLayerSortedByZForHwcDisplay: invalid hwc display id %d", id);
4329 // Just use the primary display so we have something to return
4330 dpy = getBuiltInDisplay(DisplayDevice::DISPLAY_PRIMARY);
4331 }
Stephen Kiazyk7d3dcb92017-04-05 16:46:49 -07004332 return getDisplayDeviceLocked(dpy)->getVisibleLayersSortedByZ();
Mathias Agopiancb558572012-10-04 15:58:54 -07004333}
4334
Keun young Park63f165f2012-08-31 10:53:36 -07004335bool SurfaceFlinger::startDdmConnection()
4336{
4337 void* libddmconnection_dso =
4338 dlopen("libsurfaceflinger_ddmconnection.so", RTLD_NOW);
4339 if (!libddmconnection_dso) {
4340 return false;
4341 }
4342 void (*DdmConnection_start)(const char* name);
4343 DdmConnection_start =
Jesse Hall24cd98e2014-07-13 14:37:16 -07004344 (decltype(DdmConnection_start))dlsym(libddmconnection_dso, "DdmConnection_start");
Keun young Park63f165f2012-08-31 10:53:36 -07004345 if (!DdmConnection_start) {
4346 dlclose(libddmconnection_dso);
4347 return false;
4348 }
4349 (*DdmConnection_start)(getServiceName());
4350 return true;
4351}
4352
Fabien Sanglard6e8e98a2016-10-27 20:04:11 -07004353status_t SurfaceFlinger::CheckTransactCodeCredentials(uint32_t code) {
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004354 switch (code) {
4355 case CREATE_CONNECTION:
Mathias Agopian041a0752013-03-15 18:31:56 -07004356 case CREATE_DISPLAY:
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004357 case BOOT_FINISHED:
Svetoslavd85084b2014-03-20 10:28:31 -07004358 case CLEAR_ANIMATION_FRAME_STATS:
4359 case GET_ANIMATION_FRAME_STATS:
Prashant Malani2c9b11f2014-05-25 01:36:31 -07004360 case SET_POWER_MODE:
Dan Stozac4f471e2016-03-24 09:31:08 -07004361 case GET_HDR_CAPABILITIES:
Chia-I Wu90f669f2017-10-05 14:24:41 -07004362 case ENABLE_VSYNC_INJECTIONS:
4363 case INJECT_VSYNC:
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004364 {
4365 // codes that require permission check
4366 IPCThreadState* ipc = IPCThreadState::self();
4367 const int pid = ipc->getCallingPid();
Mathias Agopiana1ecca92009-05-21 19:21:59 -07004368 const int uid = ipc->getCallingUid();
Jeff Brown3bfe51d2015-04-10 20:20:13 -07004369 if ((uid != AID_GRAPHICS && uid != AID_SYSTEM) &&
Mathias Agopian99b49842011-06-27 16:05:52 -07004370 !PermissionCache::checkPermission(sAccessSurfaceFlinger, pid, uid)) {
Fabien Sanglard6e8e98a2016-10-27 20:04:11 -07004371 ALOGE("Permission Denial: can't access SurfaceFlinger pid=%d, uid=%d", pid, uid);
Mathias Agopian375f5632009-06-15 18:24:59 -07004372 return PERMISSION_DENIED;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004373 }
Mathias Agopian1b0b30d2010-09-24 11:26:58 -07004374 break;
4375 }
Robert Carr1db73f62016-12-21 12:58:51 -08004376 /*
4377 * Calling setTransactionState is safe, because you need to have been
4378 * granted a reference to Client* and Handle* to do anything with it.
4379 *
4380 * Creating a scoped connection is safe, as per discussion in ISurfaceComposer.h
4381 */
4382 case SET_TRANSACTION_STATE:
4383 case CREATE_SCOPED_CONNECTION:
4384 {
4385 return OK;
4386 }
Mathias Agopian1b0b30d2010-09-24 11:26:58 -07004387 case CAPTURE_SCREEN:
4388 {
4389 // codes that require permission check
4390 IPCThreadState* ipc = IPCThreadState::self();
4391 const int pid = ipc->getCallingPid();
4392 const int uid = ipc->getCallingUid();
Mathias Agopian99b49842011-06-27 16:05:52 -07004393 if ((uid != AID_GRAPHICS) &&
4394 !PermissionCache::checkPermission(sReadFramebuffer, pid, uid)) {
Fabien Sanglard6e8e98a2016-10-27 20:04:11 -07004395 ALOGE("Permission Denial: can't read framebuffer pid=%d, uid=%d", pid, uid);
Mathias Agopian1b0b30d2010-09-24 11:26:58 -07004396 return PERMISSION_DENIED;
4397 }
4398 break;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004399 }
chaviwa76b2712017-09-20 12:02:26 -07004400 case CAPTURE_LAYERS: {
4401 IPCThreadState* ipc = IPCThreadState::self();
4402 const int pid = ipc->getCallingPid();
4403 const int uid = ipc->getCallingUid();
4404 if ((uid != AID_GRAPHICS) &&
4405 !PermissionCache::checkPermission(sReadFramebuffer, pid, uid)) {
4406 ALOGE("Permission Denial: can't read framebuffer pid=%d, uid=%d", pid, uid);
4407 return PERMISSION_DENIED;
4408 }
4409 break;
4410 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004411 }
Fabien Sanglard6e8e98a2016-10-27 20:04:11 -07004412 return OK;
4413}
4414
4415status_t SurfaceFlinger::onTransact(
4416 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
4417{
4418 status_t credentialCheck = CheckTransactCodeCredentials(code);
4419 if (credentialCheck != OK) {
4420 return credentialCheck;
4421 }
Mathias Agopian1b0b30d2010-09-24 11:26:58 -07004422
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004423 status_t err = BnSurfaceComposer::onTransact(code, data, reply, flags);
4424 if (err == UNKNOWN_TRANSACTION || err == PERMISSION_DENIED) {
Mathias Agopianb8a55602009-06-26 19:06:36 -07004425 CHECK_INTERFACE(ISurfaceComposer, data, reply);
Romain Guy8c6bbd62017-06-05 13:51:43 -07004426 IPCThreadState* ipc = IPCThreadState::self();
4427 const int uid = ipc->getCallingUid();
4428 if (CC_UNLIKELY(uid != AID_SYSTEM
4429 && !PermissionCache::checkCallingPermission(sHardwareTest))) {
Mathias Agopian375f5632009-06-15 18:24:59 -07004430 const int pid = ipc->getCallingPid();
Steve Blocke6f43dd2012-01-06 19:20:56 +00004431 ALOGE("Permission Denial: "
Mathias Agopian375f5632009-06-15 18:24:59 -07004432 "can't access SurfaceFlinger pid=%d, uid=%d", pid, uid);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004433 return PERMISSION_DENIED;
4434 }
4435 int n;
4436 switch (code) {
Mathias Agopian01b76682009-04-16 20:04:08 -07004437 case 1000: // SHOW_CPU, NOT SUPPORTED ANYMORE
Mathias Agopian35b48d12010-09-13 22:57:58 -07004438 case 1001: // SHOW_FPS, NOT SUPPORTED ANYMORE
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004439 return NO_ERROR;
4440 case 1002: // SHOW_UPDATES
4441 n = data.readInt32();
4442 mDebugRegion = n ? n : (mDebugRegion ? 0 : 1);
Mathias Agopian53331da2011-08-22 21:44:41 -07004443 invalidateHwcGeometry();
4444 repaintEverything();
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004445 return NO_ERROR;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004446 case 1004:{ // repaint everything
Mathias Agopian53331da2011-08-22 21:44:41 -07004447 repaintEverything();
Mathias Agopiancbb288b2009-09-07 16:32:45 -07004448 return NO_ERROR;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004449 }
Mathias Agopiancbb288b2009-09-07 16:32:45 -07004450 case 1005:{ // force transaction
Steven Thomas6d8110b2017-08-31 18:24:21 -07004451 Mutex::Autolock _l(mStateLock);
Mathias Agopiane57f2922012-08-09 16:29:12 -07004452 setTransactionFlags(
4453 eTransactionNeeded|
4454 eDisplayTransactionNeeded|
4455 eTraversalNeeded);
Mathias Agopiancbb288b2009-09-07 16:32:45 -07004456 return NO_ERROR;
4457 }
Mathias Agopian4d143ee2012-02-23 20:05:39 -08004458 case 1006:{ // send empty update
4459 signalRefresh();
4460 return NO_ERROR;
4461 }
Mathias Agopian53331da2011-08-22 21:44:41 -07004462 case 1008: // toggle use of hw composer
4463 n = data.readInt32();
4464 mDebugDisableHWC = n ? 1 : 0;
4465 invalidateHwcGeometry();
4466 repaintEverything();
4467 return NO_ERROR;
Mathias Agopiana4583642011-08-23 18:03:18 -07004468 case 1009: // toggle use of transform hint
4469 n = data.readInt32();
4470 mDebugDisableTransformHint = n ? 1 : 0;
4471 invalidateHwcGeometry();
4472 repaintEverything();
4473 return NO_ERROR;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004474 case 1010: // interrogate.
Mathias Agopian01b76682009-04-16 20:04:08 -07004475 reply->writeInt32(0);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004476 reply->writeInt32(0);
4477 reply->writeInt32(mDebugRegion);
Mathias Agopianb9494d52012-04-18 02:28:45 -07004478 reply->writeInt32(0);
Dianne Hackborn12839be2012-02-06 21:21:05 -08004479 reply->writeInt32(mDebugDisableHWC);
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004480 return NO_ERROR;
4481 case 1013: {
Tomasz Wasilczyk8722a312017-04-13 19:14:30 +00004482 sp<const DisplayDevice> hw(getDefaultDisplayDevice());
Mathias Agopian42977342012-08-05 00:40:46 -07004483 reply->writeInt32(hw->getPageFlipCount());
Mathias Agopianff2ed702013-09-01 21:36:12 -07004484 return NO_ERROR;
4485 }
4486 case 1014: {
4487 // daltonize
4488 n = data.readInt32();
4489 switch (n % 10) {
Dan Stoza9f26a9c2016-06-22 14:51:09 -07004490 case 1:
4491 mDaltonizer.setType(ColorBlindnessType::Protanomaly);
4492 break;
4493 case 2:
4494 mDaltonizer.setType(ColorBlindnessType::Deuteranomaly);
4495 break;
4496 case 3:
4497 mDaltonizer.setType(ColorBlindnessType::Tritanomaly);
4498 break;
4499 default:
4500 mDaltonizer.setType(ColorBlindnessType::None);
4501 break;
Mathias Agopianff2ed702013-09-01 21:36:12 -07004502 }
4503 if (n >= 10) {
Dan Stoza9f26a9c2016-06-22 14:51:09 -07004504 mDaltonizer.setMode(ColorBlindnessMode::Correction);
Mathias Agopianff2ed702013-09-01 21:36:12 -07004505 } else {
Dan Stoza9f26a9c2016-06-22 14:51:09 -07004506 mDaltonizer.setMode(ColorBlindnessMode::Simulation);
Mathias Agopianff2ed702013-09-01 21:36:12 -07004507 }
Mathias Agopianff2ed702013-09-01 21:36:12 -07004508 invalidateHwcGeometry();
4509 repaintEverything();
Alan Viverette9c5a3332013-09-12 20:04:35 -07004510 return NO_ERROR;
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004511 }
Alan Viverette9c5a3332013-09-12 20:04:35 -07004512 case 1015: {
4513 // apply a color matrix
4514 n = data.readInt32();
Alan Viverette9c5a3332013-09-12 20:04:35 -07004515 if (n) {
Romain Guy0147a172017-06-01 13:53:56 -07004516 // color matrix is sent as a column-major mat4 matrix
Alan Viverette794c5ba2013-10-03 16:40:52 -07004517 for (size_t i = 0 ; i < 4; i++) {
Dan Stoza9f26a9c2016-06-22 14:51:09 -07004518 for (size_t j = 0; j < 4; j++) {
4519 mColorMatrix[i][j] = data.readFloat();
4520 }
Alan Viverette9c5a3332013-09-12 20:04:35 -07004521 }
Alan Viverette9c5a3332013-09-12 20:04:35 -07004522 } else {
4523 mColorMatrix = mat4();
4524 }
Romain Guy88d37dd2017-05-26 17:57:05 -07004525
4526 // Check that supplied matrix's last row is {0,0,0,1} so we can avoid
4527 // the division by w in the fragment shader
4528 float4 lastRow(transpose(mColorMatrix)[3]);
4529 if (any(greaterThan(abs(lastRow - float4{0, 0, 0, 1}), float4{1e-4f}))) {
4530 ALOGE("The color transform's last row must be (0, 0, 0, 1)");
4531 }
4532
Alan Viverette9c5a3332013-09-12 20:04:35 -07004533 invalidateHwcGeometry();
4534 repaintEverything();
4535 return NO_ERROR;
4536 }
Ruchi Kandoif52b3c82014-04-24 16:42:35 -07004537 // This is an experimental interface
4538 // Needs to be shifted to proper binder interface when we productize
4539 case 1016: {
Andy McFadden645b1f72014-06-10 14:43:32 -07004540 n = data.readInt32();
4541 mPrimaryDispSync.setRefreshSkipCount(n);
Ruchi Kandoif52b3c82014-04-24 16:42:35 -07004542 return NO_ERROR;
4543 }
Dan Stozaee44edd2015-03-23 15:50:23 -07004544 case 1017: {
4545 n = data.readInt32();
4546 mForceFullDamage = static_cast<bool>(n);
4547 return NO_ERROR;
4548 }
Dan Stozadb4ac3c2015-04-14 11:34:01 -07004549 case 1018: { // Modify Choreographer's phase offset
4550 n = data.readInt32();
4551 mEventThread->setPhaseOffset(static_cast<nsecs_t>(n));
4552 return NO_ERROR;
4553 }
4554 case 1019: { // Modify SurfaceFlinger's phase offset
4555 n = data.readInt32();
4556 mSFEventThread->setPhaseOffset(static_cast<nsecs_t>(n));
4557 return NO_ERROR;
4558 }
Irvel468051e2016-06-13 16:44:44 -07004559 case 1020: { // Layer updates interceptor
4560 n = data.readInt32();
4561 if (n) {
4562 ALOGV("Interceptor enabled");
Lloyd Pique4dccc412018-01-22 17:21:36 -08004563 mInterceptor->enable(mDrawingState.layersSortedByZ, mDrawingState.displays);
Irvel468051e2016-06-13 16:44:44 -07004564 }
4565 else{
4566 ALOGV("Interceptor disabled");
Lloyd Pique4dccc412018-01-22 17:21:36 -08004567 mInterceptor->disable();
Irvel468051e2016-06-13 16:44:44 -07004568 }
4569 return NO_ERROR;
4570 }
Dan Stoza8cf150a2016-08-02 10:27:31 -07004571 case 1021: { // Disable HWC virtual displays
4572 n = data.readInt32();
4573 mUseHwcVirtualDisplays = !n;
4574 return NO_ERROR;
4575 }
Romain Guy0147a172017-06-01 13:53:56 -07004576 case 1022: { // Set saturation boost
4577 mSaturation = std::max(0.0f, std::min(data.readFloat(), 2.0f));
4578
4579 invalidateHwcGeometry();
4580 repaintEverything();
4581 return NO_ERROR;
4582 }
Romain Guy54f154a2017-10-24 21:40:32 +01004583 case 1023: { // Set native mode
4584 mForceNativeColorMode = data.readInt32() == 1;
4585
4586 invalidateHwcGeometry();
4587 repaintEverything();
4588 return NO_ERROR;
4589 }
4590 case 1024: { // Is wide color gamut rendering/color management supported?
4591 reply->writeBool(hasWideColorDisplay);
4592 return NO_ERROR;
4593 }
Vishnu Nair87704c92018-01-08 15:32:57 -08004594 case 1025: { // Set layer tracing
Adrian Roos1e1a1282017-11-01 19:05:31 +01004595 n = data.readInt32();
4596 if (n) {
4597 ALOGV("LayerTracing enabled");
4598 mTracing.enable();
4599 doTracing("tracing.enable");
4600 reply->writeInt32(NO_ERROR);
4601 } else {
4602 ALOGV("LayerTracing disabled");
4603 status_t err = mTracing.disable();
4604 reply->writeInt32(err);
4605 }
4606 return NO_ERROR;
4607 }
Vishnu Nair87704c92018-01-08 15:32:57 -08004608 case 1026: { // Get layer tracing status
4609 reply->writeBool(mTracing.isEnabled());
4610 return NO_ERROR;
4611 }
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08004612 }
4613 }
4614 return err;
4615}
4616
Steven Thomas6d8110b2017-08-31 18:24:21 -07004617void SurfaceFlinger::repaintEverythingLocked() {
Mathias Agopian87baae12012-07-31 12:38:26 -07004618 android_atomic_or(1, &mRepaintEverything);
Mathias Agopian99ce5cd2012-01-31 18:24:27 -08004619 signalTransaction();
Mathias Agopian53331da2011-08-22 21:44:41 -07004620}
4621
Steven Thomas6d8110b2017-08-31 18:24:21 -07004622void SurfaceFlinger::repaintEverything() {
4623 ConditionalLock _l(mStateLock,
4624 std::this_thread::get_id() != mMainThreadId);
4625 repaintEverythingLocked();
4626}
4627
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004628// A simple RAII class to disconnect from an ANativeWindow* when it goes out of scope
4629class WindowDisconnector {
Mathias Agopian2ed0fe52013-07-08 17:09:41 -07004630public:
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004631 WindowDisconnector(ANativeWindow* window, int api) : mWindow(window), mApi(api) {}
4632 ~WindowDisconnector() {
4633 native_window_api_disconnect(mWindow, mApi);
Mathias Agopian2ed0fe52013-07-08 17:09:41 -07004634 }
4635
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004636private:
4637 ANativeWindow* mWindow;
4638 const int mApi;
Mathias Agopian2ed0fe52013-07-08 17:09:41 -07004639};
4640
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004641status_t SurfaceFlinger::captureScreen(const sp<IBinder>& display, sp<GraphicBuffer>* outBuffer,
4642 Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
4643 int32_t minLayerZ, int32_t maxLayerZ,
4644 bool useIdentityTransform,
chaviwa76b2712017-09-20 12:02:26 -07004645 ISurfaceComposer::Rotation rotation) {
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004646 ATRACE_CALL();
Mathias Agopian2a9fc492013-03-01 13:42:57 -08004647
chaviwa76b2712017-09-20 12:02:26 -07004648 if (CC_UNLIKELY(display == 0)) return BAD_VALUE;
4649
4650 const sp<const DisplayDevice> device(getDisplayDeviceLocked(display));
Garfield Tan3b1b8af2018-03-16 17:37:33 -07004651 if (CC_UNLIKELY(device == 0)) return BAD_VALUE;
4652
chaviwa76b2712017-09-20 12:02:26 -07004653 DisplayRenderArea renderArea(device, sourceCrop, reqHeight, reqWidth, rotation);
4654
4655 auto traverseLayers = std::bind(std::mem_fn(&SurfaceFlinger::traverseLayersInDisplay), this,
4656 device, minLayerZ, maxLayerZ, std::placeholders::_1);
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004657 return captureScreenCommon(renderArea, traverseLayers, outBuffer, useIdentityTransform);
chaviwa76b2712017-09-20 12:02:26 -07004658}
4659
4660status_t SurfaceFlinger::captureLayers(const sp<IBinder>& layerHandleBinder,
Vishnu Nair87704c92018-01-08 15:32:57 -08004661 sp<GraphicBuffer>* outBuffer, const Rect& sourceCrop,
Robert Carr578038f2018-03-09 12:25:24 -08004662 float frameScale, bool childrenOnly) {
chaviwa76b2712017-09-20 12:02:26 -07004663 ATRACE_CALL();
4664
4665 class LayerRenderArea : public RenderArea {
4666 public:
Robert Carr578038f2018-03-09 12:25:24 -08004667 LayerRenderArea(SurfaceFlinger* flinger, const sp<Layer>& layer, const Rect crop,
4668 int32_t reqWidth, int32_t reqHeight, bool childrenOnly)
4669 : RenderArea(reqHeight, reqWidth),
4670 mLayer(layer),
4671 mCrop(crop),
4672 mFlinger(flinger),
4673 mChildrenOnly(childrenOnly) {}
chaviwa76b2712017-09-20 12:02:26 -07004674 Rect getBounds() const override {
4675 const Layer::State& layerState(mLayer->getDrawingState());
4676 return Rect(layerState.active.w, layerState.active.h);
4677 }
4678 int getHeight() const override { return mLayer->getDrawingState().active.h; }
4679 int getWidth() const override { return mLayer->getDrawingState().active.w; }
4680 bool isSecure() const override { return false; }
4681 bool needsFiltering() const override { return false; }
Robert Carr578038f2018-03-09 12:25:24 -08004682 const Transform& getTransform() const { return mTransform; }
4683
4684 class ReparentForDrawing {
4685 public:
4686 const sp<Layer>& oldParent;
4687 const sp<Layer>& newParent;
4688
4689 ReparentForDrawing(const sp<Layer>& oldParent, const sp<Layer>& newParent)
4690 : oldParent(oldParent), newParent(newParent) {
4691 oldParent->reparentChildrenForDrawing(newParent);
4692 }
4693 ~ReparentForDrawing() { newParent->reparentChildrenForDrawing(oldParent); }
4694 };
4695
4696 void render(std::function<void()> drawLayers) override {
4697 if (!mChildrenOnly) {
4698 mTransform = mLayer->getTransform().inverse();
4699 drawLayers();
4700 } else {
4701 Rect bounds = getBounds();
4702 screenshotParentLayer =
4703 new ContainerLayer(mFlinger, nullptr, String8("Screenshot Parent"),
4704 bounds.getWidth(), bounds.getHeight(), 0);
4705
4706 ReparentForDrawing reparent(mLayer, screenshotParentLayer);
4707 drawLayers();
4708 }
4709 }
chaviwa76b2712017-09-20 12:02:26 -07004710
chaviw7206d492017-11-10 16:16:12 -08004711 Rect getSourceCrop() const override {
4712 if (mCrop.isEmpty()) {
4713 return getBounds();
4714 } else {
4715 return mCrop;
4716 }
4717 }
chaviwa76b2712017-09-20 12:02:26 -07004718 bool getWideColorSupport() const override { return false; }
Peiyong Lina52f0292018-03-14 17:26:31 -07004719 ColorMode getActiveColorMode() const override { return ColorMode::NATIVE; }
chaviwa76b2712017-09-20 12:02:26 -07004720
4721 private:
chaviw7206d492017-11-10 16:16:12 -08004722 const sp<Layer> mLayer;
4723 const Rect mCrop;
Robert Carr578038f2018-03-09 12:25:24 -08004724
4725 // In the "childrenOnly" case we reparent the children to a screenshot
4726 // layer which has no properties set and which does not draw.
4727 sp<ContainerLayer> screenshotParentLayer;
4728 Transform mTransform;
4729
4730 SurfaceFlinger* mFlinger;
4731 const bool mChildrenOnly;
chaviwa76b2712017-09-20 12:02:26 -07004732 };
4733
4734 auto layerHandle = reinterpret_cast<Layer::Handle*>(layerHandleBinder.get());
4735 auto parent = layerHandle->owner.promote();
4736
chaviw7206d492017-11-10 16:16:12 -08004737 if (parent == nullptr || parent->isPendingRemoval()) {
4738 ALOGE("captureLayers called with a removed parent");
4739 return NAME_NOT_FOUND;
4740 }
4741
Robert Carr578038f2018-03-09 12:25:24 -08004742 const int uid = IPCThreadState::self()->getCallingUid();
4743 const bool forSystem = uid == AID_GRAPHICS || uid == AID_SYSTEM;
4744 if (!forSystem && parent->getCurrentState().flags & layer_state_t::eLayerSecure) {
4745 ALOGW("Attempting to capture secure layer: PERMISSION_DENIED");
4746 return PERMISSION_DENIED;
4747 }
4748
chaviw7206d492017-11-10 16:16:12 -08004749 Rect crop(sourceCrop);
4750 if (sourceCrop.width() <= 0) {
4751 crop.left = 0;
4752 crop.right = parent->getCurrentState().active.w;
4753 }
4754
4755 if (sourceCrop.height() <= 0) {
4756 crop.top = 0;
4757 crop.bottom = parent->getCurrentState().active.h;
4758 }
4759
4760 int32_t reqWidth = crop.width() * frameScale;
4761 int32_t reqHeight = crop.height() * frameScale;
4762
Robert Carr578038f2018-03-09 12:25:24 -08004763 LayerRenderArea renderArea(this, parent, crop, reqWidth, reqHeight, childrenOnly);
chaviw7206d492017-11-10 16:16:12 -08004764
Robert Carr578038f2018-03-09 12:25:24 -08004765 auto traverseLayers = [parent, childrenOnly](const LayerVector::Visitor& visitor) {
chaviwa76b2712017-09-20 12:02:26 -07004766 parent->traverseChildrenInZOrder(LayerVector::StateSet::Drawing, [&](Layer* layer) {
4767 if (!layer->isVisible()) {
4768 return;
Robert Carr578038f2018-03-09 12:25:24 -08004769 } else if (childrenOnly && layer == parent.get()) {
4770 return;
chaviwa76b2712017-09-20 12:02:26 -07004771 }
4772 visitor(layer);
4773 });
4774 };
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004775 return captureScreenCommon(renderArea, traverseLayers, outBuffer, false);
chaviwa76b2712017-09-20 12:02:26 -07004776}
4777
4778status_t SurfaceFlinger::captureScreenCommon(RenderArea& renderArea,
4779 TraverseLayersFunction traverseLayers,
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004780 sp<GraphicBuffer>* outBuffer,
chaviwa76b2712017-09-20 12:02:26 -07004781 bool useIdentityTransform) {
4782 ATRACE_CALL();
Mathias Agopian2a9fc492013-03-01 13:42:57 -08004783
chaviwa76b2712017-09-20 12:02:26 -07004784 renderArea.updateDimensions();
4785
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004786 const uint32_t usage = GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
4787 GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
4788 *outBuffer = new GraphicBuffer(renderArea.getReqWidth(), renderArea.getReqHeight(),
4789 HAL_PIXEL_FORMAT_RGBA_8888, 1, usage, "screenshot");
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004790
4791 // This mutex protects syncFd and captureResult for communication of the return values from the
4792 // main thread back to this Binder thread
4793 std::mutex captureMutex;
4794 std::condition_variable captureCondition;
4795 std::unique_lock<std::mutex> captureLock(captureMutex);
4796 int syncFd = -1;
4797 std::optional<status_t> captureResult;
4798
Robert Carr03480e22018-01-04 16:02:06 -08004799 const int uid = IPCThreadState::self()->getCallingUid();
4800 const bool forSystem = uid == AID_GRAPHICS || uid == AID_SYSTEM;
4801
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004802 sp<LambdaMessage> message = new LambdaMessage([&]() {
4803 // If there is a refresh pending, bug out early and tell the binder thread to try again
4804 // after the refresh.
4805 if (mRefreshPending) {
4806 ATRACE_NAME("Skipping screenshot for now");
4807 std::unique_lock<std::mutex> captureLock(captureMutex);
4808 captureResult = std::make_optional<status_t>(EAGAIN);
4809 captureCondition.notify_one();
4810 return;
4811 }
4812
4813 status_t result = NO_ERROR;
4814 int fd = -1;
4815 {
4816 Mutex::Autolock _l(mStateLock);
Robert Carr578038f2018-03-09 12:25:24 -08004817 renderArea.render([&]() {
4818 result = captureScreenImplLocked(renderArea, traverseLayers, (*outBuffer).get(),
4819 useIdentityTransform, forSystem, &fd);
4820 });
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004821 }
4822
4823 {
4824 std::unique_lock<std::mutex> captureLock(captureMutex);
4825 syncFd = fd;
4826 captureResult = std::make_optional<status_t>(result);
4827 captureCondition.notify_one();
4828 }
4829 });
4830
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004831 status_t result = postMessageAsync(message);
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004832 if (result == NO_ERROR) {
4833 captureCondition.wait(captureLock, [&]() { return captureResult; });
4834 while (*captureResult == EAGAIN) {
4835 captureResult.reset();
4836 result = postMessageAsync(message);
4837 if (result != NO_ERROR) {
4838 return result;
4839 }
4840 captureCondition.wait(captureLock, [&]() { return captureResult; });
4841 }
4842 result = *captureResult;
4843 }
4844
4845 if (result == NO_ERROR) {
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004846 sync_wait(syncFd, -1);
4847 close(syncFd);
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004848 }
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004849
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004850 return result;
Mathias Agopian2a9fc492013-03-01 13:42:57 -08004851}
4852
chaviwa76b2712017-09-20 12:02:26 -07004853void SurfaceFlinger::renderScreenImplLocked(const RenderArea& renderArea,
4854 TraverseLayersFunction traverseLayers, bool yswap,
4855 bool useIdentityTransform) {
Mathias Agopian180f10d2013-04-10 22:55:41 -07004856 ATRACE_CALL();
chaviwa76b2712017-09-20 12:02:26 -07004857
Lloyd Pique144e1162017-12-20 16:44:52 -08004858 auto& engine(getRenderEngine());
Mathias Agopian180f10d2013-04-10 22:55:41 -07004859
4860 // get screen geometry
chaviwa76b2712017-09-20 12:02:26 -07004861 const auto raWidth = renderArea.getWidth();
4862 const auto raHeight = renderArea.getHeight();
4863
4864 const auto reqWidth = renderArea.getReqWidth();
4865 const auto reqHeight = renderArea.getReqHeight();
4866 Rect sourceCrop = renderArea.getSourceCrop();
4867
4868 const bool filtering = static_cast<int32_t>(reqWidth) != raWidth ||
4869 static_cast<int32_t>(reqHeight) != raHeight;
Mathias Agopian180f10d2013-04-10 22:55:41 -07004870
Dan Stozac1879002014-05-22 15:59:05 -07004871 // if a default or invalid sourceCrop is passed in, set reasonable values
chaviwa76b2712017-09-20 12:02:26 -07004872 if (sourceCrop.width() == 0 || sourceCrop.height() == 0 || !sourceCrop.isValid()) {
Dan Stozac1879002014-05-22 15:59:05 -07004873 sourceCrop.setLeftTop(Point(0, 0));
chaviwa76b2712017-09-20 12:02:26 -07004874 sourceCrop.setRightBottom(Point(raWidth, raHeight));
Dan Stozac1879002014-05-22 15:59:05 -07004875 }
4876
4877 // ensure that sourceCrop is inside screen
4878 if (sourceCrop.left < 0) {
4879 ALOGE("Invalid crop rect: l = %d (< 0)", sourceCrop.left);
4880 }
chaviwa76b2712017-09-20 12:02:26 -07004881 if (sourceCrop.right > raWidth) {
4882 ALOGE("Invalid crop rect: r = %d (> %d)", sourceCrop.right, raWidth);
Dan Stozac1879002014-05-22 15:59:05 -07004883 }
4884 if (sourceCrop.top < 0) {
4885 ALOGE("Invalid crop rect: t = %d (< 0)", sourceCrop.top);
4886 }
chaviwa76b2712017-09-20 12:02:26 -07004887 if (sourceCrop.bottom > raHeight) {
4888 ALOGE("Invalid crop rect: b = %d (> %d)", sourceCrop.bottom, raHeight);
Dan Stozac1879002014-05-22 15:59:05 -07004889 }
4890
Chia-I Wu69bf10f2018-02-20 13:04:50 -08004891 android_dataspace outputDataspace = HAL_DATASPACE_UNKNOWN;
Chia-I Wu9a48a8c2018-02-20 14:27:30 -08004892 if (renderArea.getWideColorSupport() &&
Peiyong Lina52f0292018-03-14 17:26:31 -07004893 renderArea.getActiveColorMode() == ColorMode::DISPLAY_P3) {
Chia-I Wu69bf10f2018-02-20 13:04:50 -08004894 outputDataspace = HAL_DATASPACE_DISPLAY_P3;
4895 }
4896 getBE().mRenderEngine->setOutputDataSpace(outputDataspace);
Romain Guy88d37dd2017-05-26 17:57:05 -07004897
Mathias Agopian180f10d2013-04-10 22:55:41 -07004898 // make sure to clear all GL error flags
Mathias Agopian3f844832013-08-07 21:24:32 -07004899 engine.checkErrors();
Mathias Agopian180f10d2013-04-10 22:55:41 -07004900
4901 // set-up our viewport
chaviwa76b2712017-09-20 12:02:26 -07004902 engine.setViewportAndProjection(reqWidth, reqHeight, sourceCrop, raHeight, yswap,
4903 renderArea.getRotationFlags());
Mathias Agopian3f844832013-08-07 21:24:32 -07004904 engine.disableTexturing();
Mathias Agopian180f10d2013-04-10 22:55:41 -07004905
4906 // redraw the screen entirely...
Mathias Agopian3f844832013-08-07 21:24:32 -07004907 engine.clearWithColor(0, 0, 0, 1);
Mathias Agopian180f10d2013-04-10 22:55:41 -07004908
chaviwa76b2712017-09-20 12:02:26 -07004909 traverseLayers([&](Layer* layer) {
4910 if (filtering) layer->setFiltering(true);
David Sodmandc5e0622018-01-05 23:10:57 -08004911 layer->drawNow(renderArea, useIdentityTransform);
chaviwa76b2712017-09-20 12:02:26 -07004912 if (filtering) layer->setFiltering(false);
4913 });
Mathias Agopian180f10d2013-04-10 22:55:41 -07004914}
4915
chaviwa76b2712017-09-20 12:02:26 -07004916status_t SurfaceFlinger::captureScreenImplLocked(const RenderArea& renderArea,
4917 TraverseLayersFunction traverseLayers,
4918 ANativeWindowBuffer* buffer,
Chavi Weingarten40482ff2017-11-30 01:51:40 +00004919 bool useIdentityTransform,
Robert Carr03480e22018-01-04 16:02:06 -08004920 bool forSystem,
chaviwa76b2712017-09-20 12:02:26 -07004921 int* outSyncFd) {
Mathias Agopian2a9fc492013-03-01 13:42:57 -08004922 ATRACE_CALL();
4923
Pablo Ceballosb5b35632016-02-23 11:18:51 -08004924 bool secureLayerIsVisible = false;
chaviwa76b2712017-09-20 12:02:26 -07004925
4926 traverseLayers([&](Layer* layer) {
4927 secureLayerIsVisible = secureLayerIsVisible || (layer->isVisible() && layer->isSecure());
4928 });
Pablo Ceballosb5b35632016-02-23 11:18:51 -08004929
Robert Carr03480e22018-01-04 16:02:06 -08004930 // We allow the system server to take screenshots of secure layers for
4931 // use in situations like the Screen-rotation animation and place
4932 // the impetus on WindowManager to not persist them.
4933 if (secureLayerIsVisible && !forSystem) {
Pablo Ceballosb5b35632016-02-23 11:18:51 -08004934 ALOGW("FB is protected: PERMISSION_DENIED");
4935 return PERMISSION_DENIED;
4936 }
4937
Dan Stozaa9b1aa02017-06-01 14:16:23 -07004938 // this binds the given EGLImage as a framebuffer for the
4939 // duration of this scope.
Lloyd Pique144e1162017-12-20 16:44:52 -08004940 RE::BindNativeBufferAsFramebuffer bufferBond(getRenderEngine(), buffer);
Chia-I Wueadbaa62017-11-09 11:26:15 -08004941 if (bufferBond.getStatus() != NO_ERROR) {
4942 ALOGE("got ANWB binding error while taking screenshot");
Dan Stozaabcda352017-06-01 14:37:39 -07004943 return INVALID_OPERATION;
4944 }
Dan Stozaa9b1aa02017-06-01 14:16:23 -07004945
Dan Stozaabcda352017-06-01 14:37:39 -07004946 // this will in fact render into our dequeued buffer
4947 // via an FBO, which means we didn't have to create
4948 // an EGLSurface and therefore we're not
4949 // dependent on the context's EGLConfig.
chaviwa76b2712017-09-20 12:02:26 -07004950 renderScreenImplLocked(renderArea, traverseLayers, true, useIdentityTransform);
Dan Stozaa9b1aa02017-06-01 14:16:23 -07004951
Dan Stozaabcda352017-06-01 14:37:39 -07004952 if (DEBUG_SCREENSHOTS) {
Chia-I Wu767fcf72017-11-30 22:07:38 -08004953 getRenderEngine().finish();
4954 *outSyncFd = -1;
4955
chaviwa76b2712017-09-20 12:02:26 -07004956 const auto reqWidth = renderArea.getReqWidth();
4957 const auto reqHeight = renderArea.getReqHeight();
4958
Dan Stozaabcda352017-06-01 14:37:39 -07004959 uint32_t* pixels = new uint32_t[reqWidth*reqHeight];
4960 getRenderEngine().readPixels(0, 0, reqWidth, reqHeight, pixels);
chaviwa76b2712017-09-20 12:02:26 -07004961 checkScreenshot(reqWidth, reqHeight, reqWidth, pixels, traverseLayers);
Dan Stozaabcda352017-06-01 14:37:39 -07004962 delete [] pixels;
Chia-I Wu767fcf72017-11-30 22:07:38 -08004963 } else {
4964 base::unique_fd syncFd = getRenderEngine().flush();
4965 if (syncFd < 0) {
4966 getRenderEngine().finish();
4967 }
4968 *outSyncFd = syncFd.release();
Dan Stozaabcda352017-06-01 14:37:39 -07004969 }
4970
Dan Stoza2b6d38e2017-06-01 16:40:30 -07004971 return NO_ERROR;
Mathias Agopian74c40c02010-09-29 13:02:36 -07004972}
4973
Mathias Agopiand5556842013-09-19 17:08:37 -07004974void SurfaceFlinger::checkScreenshot(size_t w, size_t s, size_t h, void const* vaddr,
chaviwa76b2712017-09-20 12:02:26 -07004975 TraverseLayersFunction traverseLayers) {
Mathias Agopianfee2b462013-07-03 12:34:01 -07004976 if (DEBUG_SCREENSHOTS) {
chaviwa76b2712017-09-20 12:02:26 -07004977 for (size_t y = 0; y < h; y++) {
4978 uint32_t const* p = (uint32_t const*)vaddr + y * s;
4979 for (size_t x = 0; x < w; x++) {
Mathias Agopianfee2b462013-07-03 12:34:01 -07004980 if (p[x] != 0xFF000000) return;
4981 }
4982 }
chaviwa76b2712017-09-20 12:02:26 -07004983 ALOGE("*** we just took a black screenshot ***");
Robert Carr1f0a16a2016-10-24 16:27:39 -07004984
Robert Carr2047fae2016-11-28 14:09:09 -08004985 size_t i = 0;
chaviwa76b2712017-09-20 12:02:26 -07004986 traverseLayers([&](Layer* layer) {
Mathias Agopianfee2b462013-07-03 12:34:01 -07004987 const Layer::State& state(layer->getDrawingState());
chaviwa76b2712017-09-20 12:02:26 -07004988 ALOGE("%c index=%zu, name=%s, layerStack=%d, z=%d, visible=%d, flags=%x, alpha=%.3f",
4989 layer->isVisible() ? '+' : '-', i, layer->getName().string(),
4990 layer->getLayerStack(), state.z, layer->isVisible(), state.flags,
4991 static_cast<float>(state.color.a));
4992 i++;
4993 });
Mathias Agopianfee2b462013-07-03 12:34:01 -07004994 }
4995}
4996
Mathias Agopian1b0b30d2010-09-24 11:26:58 -07004997// ---------------------------------------------------------------------------
4998
Dan Stoza412903f2017-04-27 13:42:17 -07004999void SurfaceFlinger::State::traverseInZOrder(const LayerVector::Visitor& visitor) const {
5000 layersSortedByZ.traverseInZOrder(stateSet, visitor);
Mathias Agopian921e6ac2012-07-23 23:11:29 -07005001}
5002
Dan Stoza412903f2017-04-27 13:42:17 -07005003void SurfaceFlinger::State::traverseInReverseZOrder(const LayerVector::Visitor& visitor) const {
5004 layersSortedByZ.traverseInReverseZOrder(stateSet, visitor);
Mathias Agopian921e6ac2012-07-23 23:11:29 -07005005}
5006
chaviwa76b2712017-09-20 12:02:26 -07005007void SurfaceFlinger::traverseLayersInDisplay(const sp<const DisplayDevice>& hw, int32_t minLayerZ,
5008 int32_t maxLayerZ,
5009 const LayerVector::Visitor& visitor) {
5010 // We loop through the first level of layers without traversing,
5011 // as we need to interpret min/max layer Z in the top level Z space.
5012 for (const auto& layer : mDrawingState.layersSortedByZ) {
5013 if (!layer->belongsToDisplay(hw->getLayerStack(), false)) {
5014 continue;
5015 }
5016 const Layer::State& state(layer->getDrawingState());
Chia-I Wuec2d9852017-11-21 09:21:01 -08005017 // relative layers are traversed in Layer::traverseInZOrder
5018 if (state.zOrderRelativeOf != nullptr || state.z < minLayerZ || state.z > maxLayerZ) {
chaviwa76b2712017-09-20 12:02:26 -07005019 continue;
5020 }
5021 layer->traverseInZOrder(LayerVector::StateSet::Drawing, [&](Layer* layer) {
Adrian Roos8acf5a02018-01-17 21:28:19 +01005022 if (!layer->belongsToDisplay(hw->getLayerStack(), false)) {
5023 return;
5024 }
chaviwa76b2712017-09-20 12:02:26 -07005025 if (!layer->isVisible()) {
5026 return;
5027 }
5028 visitor(layer);
5029 });
5030 }
5031}
5032
The Android Open Source Projectedbf3b62009-03-03 19:31:44 -08005033}; // namespace android
Mathias Agopian3f844832013-08-07 21:24:32 -07005034
Mathias Agopian3f844832013-08-07 21:24:32 -07005035#if defined(__gl_h_)
5036#error "don't include gl/gl.h in this file"
5037#endif
5038
5039#if defined(__gl2_h_)
5040#error "don't include gl2/gl2.h in this file"
Chia-I Wu767fcf72017-11-30 22:07:38 -08005041#endif