sf: Avoid disabling DispSync resync
Avoid disabling DispSync resync if app and SF events aren't using phase offsets. This prevents hardware VSYNC from turning on always whenever something needs to be drawn, thereby bringing down the power numbers. Change-Id: I83c8f79eb46b9fdaa730ec32767ebed3286347b8
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@ -26,11 +26,8 @@
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namespace android {
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// Ignore present (retire) fences if the device doesn't have support for the
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// sync framework, or if all phase offsets are zero. The latter is useful
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// because it allows us to avoid resync bursts on devices that don't need
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// phase-offset VSYNC events.
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#if defined(RUNNING_WITHOUT_SYNC_FRAMEWORK) || \
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(VSYNC_EVENT_PHASE_OFFSET_NS == 0 && SF_VSYNC_EVENT_PHASE_OFFSET_NS == 0)
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// sync framework.
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#if defined(RUNNING_WITHOUT_SYNC_FRAMEWORK)
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static const bool kIgnorePresentFences = true;
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#else
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static const bool kIgnorePresentFences = false;
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