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Commit d6b3d3fc authored by Chavi Weingarten's avatar Chavi Weingarten Committed by Automerger Merge Worker
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Merge "Fix ScreenRotation flicker from 90 to 270." into sc-dev am: aa4fa808 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14388171

Change-Id: Ie07bc9a28ba2acce31b097f9486549d28a8b7236
parents 06eae45a aa4fa808

services/core/java/com/android/server/wm/ScreenRotationAnimation.java

+10 −15
Original line number Diff line number Diff line
@@ -163,14 +163,8 @@ class ScreenRotationAnimation { 
            originalWidth = displayInfo.logicalWidth;

            originalHeight = displayInfo.logicalHeight;

        }

        if (realOriginalRotation == Surface.ROTATION_90

                || realOriginalRotation == Surface.ROTATION_270) {

            mWidth = originalHeight;

            mHeight = originalWidth;

        } else {

        mWidth = originalWidth;

        mHeight = originalHeight;

        }



        mOriginalRotation = originalRotation;

        // If the delta is not zero, the rotation of display may not change, but we still want to
@@ -189,8 +183,14 @@ class ScreenRotationAnimation { 
        final SurfaceControl.Transaction t = mService.mTransactionFactory.get();



        try {

            SurfaceControl.LayerCaptureArgs args =

                    new SurfaceControl.LayerCaptureArgs.Builder(displayContent.getSurfaceControl())

                            .setCaptureSecureLayers(true)

                            .setAllowProtected(true)

                            .setSourceCrop(new Rect(0, 0, mWidth, mHeight))

                            .build();

            SurfaceControl.ScreenshotHardwareBuffer screenshotBuffer =

                    mService.mDisplayManagerInternal.systemScreenshot(displayId);

                    SurfaceControl.captureLayers(args);

            if (screenshotBuffer == null) {

                Slog.w(TAG, "Unable to take screenshot of display " + displayId);

                return;
@@ -236,9 +236,6 @@ class ScreenRotationAnimation { 


            GraphicBuffer buffer = GraphicBuffer.createFromHardwareBuffer(

                    screenshotBuffer.getHardwareBuffer());

            // Scale the layer to the display size.

            float dsdx = (float) mWidth / hardwareBuffer.getWidth();

            float dsdy = (float) mHeight / hardwareBuffer.getHeight();



            t.setLayer(mScreenshotLayer, SCREEN_FREEZE_LAYER_BASE);

            t.reparent(mBackColorSurface, displayContent.getSurfaceControl());
@@ -247,7 +244,6 @@ class ScreenRotationAnimation { 
            t.setAlpha(mBackColorSurface, 1);

            t.setBuffer(mScreenshotLayer, buffer);

            t.setColorSpace(mScreenshotLayer, screenshotBuffer.getColorSpace());

            t.setMatrix(mScreenshotLayer, dsdx, 0, 0, dsdy);

            t.show(mScreenshotLayer);

            t.show(mBackColorSurface);
@@ -330,9 +326,8 @@ class ScreenRotationAnimation { 
        // Compute the transformation matrix that must be applied

        // to the snapshot to make it stay in the same original position

        // with the current screen rotation.

        int delta = deltaRotation(rotation, Surface.ROTATION_0);

        int delta = deltaRotation(rotation, mOriginalRotation);

        RotationAnimationUtils.createRotationMatrix(delta, mWidth, mHeight, mSnapshotInitialMatrix);



        setRotationTransform(t, mSnapshotInitialMatrix);

    }