SurfaceFlinger: use setActiveConfigWithConstraints
Remove setActiveConfig and use setActiveConfigWithConstraints
instead. Use the return parameter of setActiveConfigWithConstraints to know
whether a refresh is required and when.
Fixes: 142753004
Bug: 141329414
Test: observe refresh rate switching thru systrace
Change-Id: Ie67a3be9180e7a367fc9e73425598d53a5fd6578
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index 1d50fe1..71a6a2f 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -59,11 +59,13 @@
namespace android {
Scheduler::Scheduler(impl::EventControlThread::SetVSyncEnabledFunction function,
- const scheduler::RefreshRateConfigs& refreshRateConfig)
+ const scheduler::RefreshRateConfigs& refreshRateConfig,
+ ISchedulerCallback& schedulerCallback)
: mPrimaryDispSync(new impl::DispSync("SchedulerDispSync",
sysprop::running_without_sync_framework(true))),
mEventControlThread(new impl::EventControlThread(std::move(function))),
mSupportKernelTimer(sysprop::support_kernel_idle_timer(false)),
+ mSchedulerCallback(schedulerCallback),
mRefreshRateConfigs(refreshRateConfig) {
using namespace sysprop;
@@ -104,10 +106,12 @@
Scheduler::Scheduler(std::unique_ptr<DispSync> primaryDispSync,
std::unique_ptr<EventControlThread> eventControlThread,
- const scheduler::RefreshRateConfigs& configs)
+ const scheduler::RefreshRateConfigs& configs,
+ ISchedulerCallback& schedulerCallback)
: mPrimaryDispSync(std::move(primaryDispSync)),
mEventControlThread(std::move(eventControlThread)),
mSupportKernelTimer(false),
+ mSchedulerCallback(schedulerCallback),
mRefreshRateConfigs(configs) {}
Scheduler::~Scheduler() {
@@ -368,12 +372,7 @@
mFeatures.configId = newConfigId;
};
auto newRefreshRate = mRefreshRateConfigs.getRefreshRateFromConfigId(newConfigId);
- changeRefreshRate(newRefreshRate, ConfigEvent::Changed);
-}
-
-void Scheduler::setSchedulerCallback(android::Scheduler::ISchedulerCallback* callback) {
- std::lock_guard<std::mutex> lock(mCallbackLock);
- mSchedulerCallback = callback;
+ mSchedulerCallback.changeRefreshRate(newRefreshRate, ConfigEvent::Changed);
}
void Scheduler::resetIdleTimer() {
@@ -486,7 +485,7 @@
}
}
const RefreshRate& newRefreshRate = mRefreshRateConfigs.getRefreshRateFromConfigId(newConfigId);
- changeRefreshRate(newRefreshRate, event);
+ mSchedulerCallback.changeRefreshRate(newRefreshRate, event);
}
HwcConfigIndexType Scheduler::calculateRefreshRateType() {
@@ -526,10 +525,36 @@
return mFeatures.configId;
}
-void Scheduler::changeRefreshRate(const RefreshRate& refreshRate, ConfigEvent configEvent) {
- std::lock_guard<std::mutex> lock(mCallbackLock);
- if (mSchedulerCallback) {
- mSchedulerCallback->changeRefreshRate(refreshRate, configEvent);
+void Scheduler::onNewVsyncPeriodChangeTimeline(const HWC2::VsyncPeriodChangeTimeline& timeline) {
+ if (timeline.refreshRequired) {
+ mSchedulerCallback.repaintEverythingForHWC();
+ }
+
+ std::lock_guard<std::mutex> lock(mVsyncTimelineLock);
+ mLastVsyncPeriodChangeTimeline = std::make_optional(timeline);
+
+ const auto maxAppliedTime = systemTime() + MAX_VSYNC_APPLIED_TIME.count();
+ if (timeline.newVsyncAppliedTimeNanos > maxAppliedTime) {
+ mLastVsyncPeriodChangeTimeline->newVsyncAppliedTimeNanos = maxAppliedTime;
+ }
+}
+
+void Scheduler::onDisplayRefreshed(nsecs_t timestamp) {
+ bool callRepaint = false;
+ {
+ std::lock_guard<std::mutex> lock(mVsyncTimelineLock);
+ if (mLastVsyncPeriodChangeTimeline && mLastVsyncPeriodChangeTimeline->refreshRequired) {
+ if (mLastVsyncPeriodChangeTimeline->refreshTimeNanos < timestamp) {
+ mLastVsyncPeriodChangeTimeline->refreshRequired = false;
+ } else {
+ // We need to send another refresh as refreshTimeNanos is still in the future
+ callRepaint = true;
+ }
+ }
+ }
+
+ if (callRepaint) {
+ mSchedulerCallback.repaintEverythingForHWC();
}
}
diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index 04a8390..15277ce 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -41,22 +41,24 @@
class InjectVSyncSource;
struct DisplayStateInfo;
+class ISchedulerCallback {
+public:
+ virtual ~ISchedulerCallback() = default;
+ virtual void changeRefreshRate(const scheduler::RefreshRateConfigs::RefreshRate&,
+ scheduler::RefreshRateConfigEvent) = 0;
+ virtual void repaintEverythingForHWC() = 0;
+};
+
class Scheduler {
public:
using RefreshRate = scheduler::RefreshRateConfigs::RefreshRate;
using ConfigEvent = scheduler::RefreshRateConfigEvent;
- class ISchedulerCallback {
- public:
- virtual ~ISchedulerCallback() = default;
- virtual void changeRefreshRate(const RefreshRate&, ConfigEvent) = 0;
- };
-
// Indicates whether to start the transaction early, or at vsync time.
enum class TransactionStart { EARLY, NORMAL };
Scheduler(impl::EventControlThread::SetVSyncEnabledFunction,
- const scheduler::RefreshRateConfigs&);
+ const scheduler::RefreshRateConfigs&, ISchedulerCallback& schedulerCallback);
virtual ~Scheduler();
@@ -114,9 +116,6 @@
// Detects content using layer history, and selects a matching refresh rate.
void chooseRefreshRateForContent();
- // Called by Scheduler to control SurfaceFlinger operations.
- void setSchedulerCallback(ISchedulerCallback*);
-
bool isIdleTimerEnabled() const { return mIdleTimer.has_value(); }
void resetIdleTimer();
@@ -131,6 +130,12 @@
// Get the appropriate refresh for current conditions.
std::optional<HwcConfigIndexType> getPreferredConfigId();
+ // Notifies the scheduler about a refresh rate timeline change.
+ void onNewVsyncPeriodChangeTimeline(const HWC2::VsyncPeriodChangeTimeline& timeline);
+
+ // Notifies the scheduler when the display was refreshed
+ void onDisplayRefreshed(nsecs_t timestamp);
+
private:
friend class TestableScheduler;
@@ -142,7 +147,7 @@
// Used by tests to inject mocks.
Scheduler(std::unique_ptr<DispSync>, std::unique_ptr<EventControlThread>,
- const scheduler::RefreshRateConfigs&);
+ const scheduler::RefreshRateConfigs&, ISchedulerCallback& schedulerCallback);
std::unique_ptr<VSyncSource> makePrimaryDispSyncSource(const char* name, nsecs_t phaseOffsetNs,
nsecs_t offsetThresholdForNextVsync);
@@ -165,8 +170,6 @@
void setVsyncPeriod(nsecs_t period);
HwcConfigIndexType calculateRefreshRateType() REQUIRES(mFeatureStateLock);
- // Acquires a lock and calls the ChangeRefreshRateCallback with given parameters.
- void changeRefreshRate(const RefreshRate&, ConfigEvent);
// Stores EventThread associated with a given VSyncSource, and an initial EventThreadConnection.
struct Connection {
@@ -203,8 +206,7 @@
// Timer used to monitor display power mode.
std::optional<scheduler::OneShotTimer> mDisplayPowerTimer;
- std::mutex mCallbackLock;
- ISchedulerCallback* mSchedulerCallback GUARDED_BY(mCallbackLock) = nullptr;
+ ISchedulerCallback& mSchedulerCallback;
// In order to make sure that the features don't override themselves, we need a state machine
// to keep track which feature requested the config change.
@@ -223,6 +225,11 @@
} mFeatures GUARDED_BY(mFeatureStateLock);
const scheduler::RefreshRateConfigs& mRefreshRateConfigs;
+
+ std::mutex mVsyncTimelineLock;
+ std::optional<HWC2::VsyncPeriodChangeTimeline> mLastVsyncPeriodChangeTimeline
+ GUARDED_BY(mVsyncTimelineLock);
+ static constexpr std::chrono::nanoseconds MAX_VSYNC_APPLIED_TIME = 200ms;
};
} // namespace android