Implement construction of container layers am: c1ea10447f

am: ef7f39f4f5

Change-Id: I20c5e72ec3d278a3d9dd36618c45f32f330f72c6

1 files changed, 24 insertions, 0 deletions

diff --git a/core/java/android/view/SurfaceControl.java b/core/java/android/view/SurfaceControl.java
index 2e98d033fa7f..66f16d57c828 100644
--- a/core/java/android/view/SurfaceControl.java
+++ b/core/java/android/view/SurfaceControl.java
@@ -268,6 +268,13 @@ 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.
      *
      */
@@ -531,6 +538,23 @@ public class SurfaceControl implements Parcelable {
         }
 
         /**
+         * 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}.
          *
          * TODO: Finish conversion to individual builder methods?