SurfaceFlinger: introduce PhaseOffsetsAsDurations
Currently we define phase offset for each refresh rate. This works for
<= 2 refresh rates, but doesn't scale well. This change is introducing
a new way to calculate phase offsets, which is based on duration. Then,
based on the duration and refresh rate, a phase offset is calculated.
The calculation is captured here: https://docs.google.com/spreadsheets/d/1a_5cVNY3LUAkeg-yL56rYQNwved6Hy-dvEcKSxp6f8k/edit#gid=0
Bug: 145561086
Bug: 141329414
Test: jank tests
Test: adb shell /data/nativetest64/libsurfaceflinger_unittest/libsurfaceflinger_unittest
Change-Id: I16aaf7437d30c4b12f955bdaac36582dd100519f
diff --git a/services/surfaceflinger/SurfaceFlingerFactory.h b/services/surfaceflinger/SurfaceFlingerFactory.h
index 0db941d..951bd09 100644
--- a/services/surfaceflinger/SurfaceFlingerFactory.h
+++ b/services/surfaceflinger/SurfaceFlingerFactory.h
@@ -56,7 +56,7 @@
} // namespace compositionengine
namespace scheduler {
-class PhaseOffsets;
+class PhaseConfiguration;
class RefreshRateConfigs;
} // namespace scheduler
@@ -74,7 +74,8 @@
virtual std::unique_ptr<EventControlThread> createEventControlThread(SetVSyncEnabled) = 0;
virtual std::unique_ptr<HWComposer> createHWComposer(const std::string& serviceName) = 0;
virtual std::unique_ptr<MessageQueue> createMessageQueue() = 0;
- virtual std::unique_ptr<scheduler::PhaseOffsets> createPhaseOffsets() = 0;
+ virtual std::unique_ptr<scheduler::PhaseConfiguration> createPhaseConfiguration(
+ const scheduler::RefreshRateConfigs&) = 0;
virtual std::unique_ptr<Scheduler> createScheduler(SetVSyncEnabled,
const scheduler::RefreshRateConfigs&,
ISchedulerCallback&) = 0;