Add FP16 types to the list of RenderScript types.

Change-Id: Ibf9a6d391fb4d6a5c4b4e05ab73fb58bd74dc586
diff --git a/rs/java/android/renderscript/Element.java b/rs/java/android/renderscript/Element.java
index c6b5b0d..287b3f1 100644
--- a/rs/java/android/renderscript/Element.java
+++ b/rs/java/android/renderscript/Element.java
@@ -118,7 +118,10 @@
      */
     public enum DataType {
         NONE (0, 0),
-        //FLOAT_16 (1, 2),
+        /**
+         *     @hide
+         */
+        FLOAT_16 (1, 2),
         FLOAT_32 (2, 4),
         FLOAT_64 (3, 8),
         SIGNED_8 (4, 1),
@@ -386,6 +389,16 @@
         return rs.mElement_I64;
     }
 
+    /**
+     *     @hide
+     */
+    public static Element F16(RenderScript rs) {
+        if(rs.mElement_F16 == null) {
+            rs.mElement_F16 = createUser(rs, DataType.FLOAT_16);
+        }
+        return rs.mElement_F16;
+    }
+
     public static Element F32(RenderScript rs) {
         if(rs.mElement_F32 == null) {
             rs.mElement_F32 = createUser(rs, DataType.FLOAT_32);
@@ -520,6 +533,36 @@
         return rs.mElement_RGBA_8888;
     }
 
+    /**
+     *     @hide
+     */
+    public static Element F16_2(RenderScript rs) {
+        if(rs.mElement_HALF_2 == null) {
+            rs.mElement_HALF_2 = createVector(rs, DataType.FLOAT_16, 2);
+        }
+        return rs.mElement_HALF_2;
+    }
+
+    /**
+     *     @hide
+     */
+    public static Element F16_3(RenderScript rs) {
+        if(rs.mElement_FLOAT_3 == null) {
+            rs.mElement_FLOAT_3 = createVector(rs, DataType.FLOAT_16, 3);
+        }
+        return rs.mElement_HALF_3;
+    }
+
+    /**
+     *     @hide
+     */
+    public static Element F16_4(RenderScript rs) {
+        if(rs.mElement_HALF_4 == null) {
+            rs.mElement_HALF_4 = createVector(rs, DataType.FLOAT_16, 4);
+        }
+        return rs.mElement_HALF_4;
+    }
+
     public static Element F32_2(RenderScript rs) {
         if(rs.mElement_FLOAT_2 == null) {
             rs.mElement_FLOAT_2 = createVector(rs, DataType.FLOAT_32, 2);