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Commit 4a7acaed authored by Lucas Dupin's avatar Lucas Dupin
Browse files

Request early wake-up when zooming 

This way we'll be less likely to jank on 120Hz devices.

Test: manual
Fixes: 194680560
Change-Id: Ieff93f234701649514f8905c20c19cef231c816b
parent 646f8046

quickstep/src/com/android/launcher3/statehandlers/DepthController.java

+18 −3
Original line number Diff line number Diff line
@@ -125,6 +125,10 @@ public class DepthController implements StateHandler<LauncherState>, 
     * If we're launching and app and should not be blurring the screen for performance reasons.

     */

    private boolean mBlurDisabledForAppLaunch;

    /**

     * If we requested early wake-up offsets to SurfaceFlinger.

     */

    private boolean mInEarlyWakeUp;



    // Workaround for animating the depth when multiwindow mode changes.

    private boolean mIgnoreStateChangesDuringMultiWindowAnimation = false;
@@ -270,10 +274,21 @@ public class DepthController implements StateHandler<LauncherState>, 


            int blur = opaque || isOverview || !mCrossWindowBlursEnabled

                    || mBlurDisabledForAppLaunch ? 0 : (int) (depth * mMaxBlurRadius);

            new SurfaceControl.Transaction()

            SurfaceControl.Transaction transaction = new SurfaceControl.Transaction()

                    .setBackgroundBlurRadius(mSurface, blur)

                    .setOpaque(mSurface, opaque)

                    .apply();

                    .setOpaque(mSurface, opaque);



            // Set early wake-up flags when we know we're executing an expensive operation, this way

            // SurfaceFlinger will adjust its internal offsets to avoid jank.

            boolean wantsEarlyWakeUp = depth > 0 && depth < 1;

            if (wantsEarlyWakeUp && !mInEarlyWakeUp) {

                transaction.setEarlyWakeupStart();

                mInEarlyWakeUp = true;

            } else if (!wantsEarlyWakeUp && mInEarlyWakeUp) {

                transaction.setEarlyWakeupEnd();

                mInEarlyWakeUp = false;

            }

            transaction.apply();

        }

        return true;

    }