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Commit eeb74561 authored by Ady Abraham's avatar Ady Abraham
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SurfaceFlinger: tune MAX_FREQUENT_LAYER_PERIOD_NS for inactive layers 

Tune the threshold for detecting inactive layers to treat 24fps
videos without presentation timestamps as frequent.

Bug: 157110371
Test: Chrome playing video and observe systrace
Change-Id: I6908761ef2af7e40cd40eda6e1e66c8e1a01393f
parent 32efd54d

services/surfaceflinger/Scheduler/LayerInfoV2.h

+1 −3
Original line number Diff line number Diff line
@@ -47,9 +47,7 @@ class LayerInfoV2 { 
    // is within a threshold. If a layer is infrequent, its average refresh rate is disregarded in

    // favor of a low refresh rate.

    static constexpr size_t FREQUENT_LAYER_WINDOW_SIZE = 3;

    static constexpr float MIN_FPS_FOR_FREQUENT_LAYER = 10.0f;

    static constexpr auto MAX_FREQUENT_LAYER_PERIOD_NS =

            std::chrono::nanoseconds(static_cast<nsecs_t>(1e9f / MIN_FPS_FOR_FREQUENT_LAYER)) + 1ms;

    static constexpr std::chrono::nanoseconds MAX_FREQUENT_LAYER_PERIOD_NS = 150ms;



    friend class LayerHistoryTestV2;