SurfaceFlinger: Set property in StartPropertySetThread during init (5ba35156) · Commits · e / os / platform_frameworks_native

services/surfaceflinger/Android.mk

+1 −1

Original line number	Diff line number	Diff line
		@@ -9,7 +9,7 @@ LOCAL_SRC_FILES := \
		DisplayDevice.cpp \
		DispSync.cpp \
		EventControlThread.cpp \
		StartBootAnimThread.cpp \
		StartPropertySetThread.cpp \
		EventThread.cpp \
		FrameTracker.cpp \
		GpuService.cpp \

services/surfaceflinger/StartBootAnimThread.cpp→services/surfaceflinger/StartPropertySetThread.cpp

+10 −7

Original line number	Diff line number	Diff line
		@@ -15,20 +15,23 @@
		*/

		#include <cutils/properties.h>
		#include "StartBootAnimThread.h"
		#include "StartPropertySetThread.h"

		namespace android {

		StartBootAnimThread::StartBootAnimThread():
		Thread(false) {
		}
		StartPropertySetThread::StartPropertySetThread(bool timestampPropertyValue):
		Thread(false), mTimestampPropertyValue(timestampPropertyValue) {}

		status_t StartBootAnimThread::Start() {
		return run("SurfaceFlinger::StartBootAnimThread", PRIORITY_NORMAL);
		status_t StartPropertySetThread::Start() {
		return run("SurfaceFlinger::StartPropertySetThread", PRIORITY_NORMAL);
		}

		bool StartBootAnimThread::threadLoop() {
		bool StartPropertySetThread::threadLoop() {
		// Set property service.sf.present_timestamp, consumer need check its readiness
		property_set(kTimestampProperty, mTimestampPropertyValue ? "1" : "0");
		// Clear BootAnimation exit flag
		property_set("service.bootanim.exit", "0");
		// Start BootAnimation if not started
		property_set("ctl.start", "bootanim");
		// Exit immediately
		return false;

services/surfaceflinger/StartBootAnimThread.h→services/surfaceflinger/StartPropertySetThread.h

+6 −2

Original line number	Diff line number	Diff line
		@@ -24,17 +24,21 @@

		namespace android {

		class StartBootAnimThread : public Thread {
		class StartPropertySetThread : public Thread {
		// Boot animation is triggered via calls to "property_set()" which can block
		// if init's executing slow operation such as 'mount_all --late' (currently
		// happening 1/10th with fsck) concurrently. Running in a separate thread
		// allows to pursue the SurfaceFlinger's init process without blocking.
		// see b/34499826.
		// Any property_set() will block during init stage so need to be offloaded
		// to this thread. see b/63844978.
		public:
		StartBootAnimThread();
		StartPropertySetThread(bool timestampPropertyValue);
		status_t Start();
		private:
		virtual bool threadLoop();
		static constexpr const char* kTimestampProperty = "service.sf.present_timestamp";
		const bool mTimestampPropertyValue;
		};

		}

services/surfaceflinger/SurfaceFlinger.cpp

+17 −16

Original line number	Diff line number	Diff line
		@@ -348,8 +348,8 @@ sp<IBinder> SurfaceFlinger::getBuiltInDisplay(int32_t id) {

		void SurfaceFlinger::bootFinished()
		{
		if (mStartBootAnimThread->join() != NO_ERROR) {
		ALOGE("Join StartBootAnimThread failed!");
		if (mStartPropertySetThread->join() != NO_ERROR) {
		ALOGE("Join StartPropertySetThread failed!");
		}
		const nsecs_t now = systemTime();
		const nsecs_t duration = now - mBootTime;
		@@ -533,6 +533,8 @@ private:
		sp<VSyncSource::Callback> mCallback;
		};

		// Do not call property_set on main thread which will be blocked by init
		// Use StartPropertySetThread instead.
		void SurfaceFlinger::init() {
		ALOGI( "SurfaceFlinger's main thread ready to run. "
		"Initializing graphics H/W...");
		@@ -582,14 +584,6 @@ void SurfaceFlinger::init() {

		Mutex::Autolock _l(mStateLock);

		// Inform native graphics APIs whether the present timestamp is supported:
		if (getHwComposer().hasCapability(
		HWC2::Capability::PresentFenceIsNotReliable)) {
		property_set(kTimestampProperty, "0");
		} else {
		property_set(kTimestampProperty, "1");
		}

		if (useVrFlinger) {
		auto vrFlingerRequestDisplayCallback = [this] (bool requestDisplay) {
		ALOGI("VR request display mode: requestDisplay=%d", requestDisplay);
		@@ -624,9 +618,16 @@ void SurfaceFlinger::init() {

		mRenderEngine->primeCache();

		mStartBootAnimThread = new StartBootAnimThread();
		if (mStartBootAnimThread->Start() != NO_ERROR) {
		ALOGE("Run StartBootAnimThread failed!");
		// Inform native graphics APIs whether the present timestamp is supported:
		if (getHwComposer().hasCapability(
		HWC2::Capability::PresentFenceIsNotReliable)) {
		mStartPropertySetThread = new StartPropertySetThread(false);
		} else {
		mStartPropertySetThread = new StartPropertySetThread(true);
		}

		if (mStartPropertySetThread->Start() != NO_ERROR) {
		ALOGE("Run StartPropertySetThread failed!");
		}

		ALOGV("Done initializing");
		@@ -635,10 +636,10 @@ void SurfaceFlinger::init() {
		void SurfaceFlinger::startBootAnim() {
		// Start boot animation service by setting a property mailbox
		// if property setting thread is already running, Start() will be just a NOP
		mStartBootAnimThread->Start();
		mStartPropertySetThread->Start();
		// Wait until property was set
		if (mStartBootAnimThread->join() != NO_ERROR) {
		ALOGE("Join StartBootAnimThread failed!");
		if (mStartPropertySetThread->join() != NO_ERROR) {
		ALOGE("Join StartPropertySetThread failed!");
		}
		}

services/surfaceflinger/SurfaceFlinger.h

+2 −3

Original line number	Diff line number	Diff line
		@@ -58,7 +58,7 @@
		#include "LayerVector.h"
		#include "MessageQueue.h"
		#include "SurfaceInterceptor.h"
		#include "StartBootAnimThread.h"
		#include "StartPropertySetThread.h"

		#include "DisplayHardware/HWComposer.h"
		#include "Effects/Daltonizer.h"
		@@ -227,7 +227,6 @@ private:
		enum { LOG_FRAME_STATS_PERIOD = 306060 };

		static const size_t MAX_LAYERS = 4096;
		static constexpr const char* kTimestampProperty = "service.sf.present_timestamp";

		// We're reference counted, never destroy SurfaceFlinger directly
		virtual ~SurfaceFlinger();
		@@ -434,7 +433,7 @@ private:
		bool isLocalScreenshot);
		#endif

		sp<StartBootAnimThread> mStartBootAnimThread = nullptr;
		sp<StartPropertySetThread> mStartPropertySetThread = nullptr;

		/* ------------------------------------------------------------------------
		* EGL