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Commit 7ccc93a7 authored by Shane's avatar Shane
Browse files

Apply FRAME_RATE_SELECTION_STRATEGY_SELF frame selection strategy 

Apply FRAME_RATE_SELECTION_STRATEGY_SELF frame selection strategy to ensure that the frame rate specifications do not cascade down to the descendant layers.

Bug: 313911227
Test: atest ViewRootImplTest
Change-Id: Iea4817c80fa8ee8fa79688392aec49eadbb8a037
parent 1566c668

core/java/android/view/ViewRootImpl.java

+13 −0
Original line number Diff line number Diff line
@@ -2436,6 +2436,19 @@ public final class ViewRootImpl implements ViewParent, 
        if (updateBoundsLayer(t)) {

            applyTransactionOnDraw(t);

        }



        // Set the frame rate selection strategy to FRAME_RATE_SELECTION_STRATEGY_SELF

        // This strategy ensures that the frame rate specifications do not cascade down to

        // the descendant layers. This is particularly important for applications like Chrome,

        // where child surfaces should adhere to default behavior instead of no preference

        if (sToolkitSetFrameRateReadOnlyFlagValue) {

            try {

                mFrameRateTransaction.setFrameRateSelectionStrategy(sc,

                        sc.FRAME_RATE_SELECTION_STRATEGY_SELF).applyAsyncUnsafe();

            } catch (Exception e) {

                Log.e(mTag, "Unable to set frame rate selection strategy ", e);

            }

        }

    }



    private void destroySurface() {