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Commit c1ea1044 authored by Robert Carr's avatar Robert Carr Committed by Vishnu Nair
Browse files

Implement construction of container layers 

Expose existing native functionality. In preparation for use as
bufferless-input-catching-surfaces.

Bug: 80101428
Bug: 113136004
Bug: 111440400

Change-Id: I455792aec3ee58d9dd20016b484ce7c27808d522
Merged-In: I455792aec3ee58d9dd20016b484ce7c27808d522
parent 5bdf255e

core/java/android/view/SurfaceControl.java

+24 −0
Original line number Diff line number Diff line
@@ -267,6 +267,13 @@ public class SurfaceControl implements Parcelable { 
     */

    public static final int FX_SURFACE_DIM = 0x00020000;



    /**

     * Surface creation flag: Creates a container surface.

     * This surface will have no buffers and will only be used

     * as a container for other surfaces, or for its InputInfo.

     */

    public static final int FX_SURFACE_CONTAINER = 0x00080000;



    /**

     * Mask used for FX values above.

     *
@@ -530,6 +537,23 @@ public class SurfaceControl implements Parcelable { 
            return this;

        }



        /**

         * Indicates whether a 'ContainerLayer' is to be constructed.

         *

         * Container layers will not be rendered in any fashion and instead are used

         * as a parent of renderable layers.

         *

         * @param isContainerLayer Whether to create a container layer.

         */

        public Builder setContainerLayer(boolean isContainerLayer) {

            if (isContainerLayer) {

                mFlags |= FX_SURFACE_CONTAINER;

            } else {

                mFlags &= ~FX_SURFACE_CONTAINER;

            }

            return this;

        }



        /**

         * Set 'Surface creation flags' such as {@link HIDDEN}, {@link SECURE}.

         *