1 files changed, 68 insertions, 1 deletions

diff --git a/rs/java/android/renderscript/Script.java b/rs/java/android/renderscript/Script.java
index 7cd6d09e2812..2b0678046e32 100644
--- a/rs/java/android/renderscript/Script.java
+++ b/rs/java/android/renderscript/Script.java
@@ -283,6 +283,74 @@ public class Script extends BaseObj {
         mRS.nScriptForEach(getID(mRS), slot, in_ids, out_id, params, limits);
     }
 
+    /**
+     * Only intended for use by generated reflected code.  (Simple reduction)
+     *
+     * @hide
+     */
+    protected void reduce(int slot, Allocation ain, Allocation aout, LaunchOptions sc) {
+        mRS.validate();
+        mRS.validateObject(ain);
+        mRS.validateObject(aout);
+
+        if (ain == null || aout == null) {
+            throw new RSIllegalArgumentException(
+                "Both ain and aout are required to be non-null.");
+        }
+
+        long in_id = ain.getID(mRS);
+        long out_id = aout.getID(mRS);
+
+        int[] limits = null;
+        if (sc != null) {
+            limits = new int[2];
+
+            limits[0] = sc.xstart;
+            limits[1] = sc.xend;
+        }
+
+        mRS.nScriptReduce(getID(mRS), slot, in_id, out_id, limits);
+    }
+
+    /**
+     * Only intended for use by generated reflected code.  (General reduction)
+     *
+     */
+    protected void reduce(int slot, Allocation[] ains, Allocation aout, LaunchOptions sc) {
+        mRS.validate();
+        if (ains == null || ains.length < 1) {
+            throw new RSIllegalArgumentException(
+                "At least one input is required.");
+        }
+        if (aout == null) {
+            throw new RSIllegalArgumentException(
+                "aout is required to be non-null.");
+        }
+        for (Allocation ain : ains) {
+            mRS.validateObject(ain);
+        }
+
+        long[] in_ids = new long[ains.length];
+        for (int index = 0; index < ains.length; ++index) {
+            in_ids[index] = ains[index].getID(mRS);
+        }
+        long out_id = aout.getID(mRS);
+
+        int[] limits = null;
+        if (sc != null) {
+            limits = new int[6];
+
+            limits[0] = sc.xstart;
+            limits[1] = sc.xend;
+            limits[2] = sc.ystart;
+            limits[3] = sc.yend;
+            limits[4] = sc.zstart;
+            limits[5] = sc.zend;
+        }
+
+        mRS.nScriptReduceNew(getID(mRS), slot, in_ids, out_id, limits);
+    }
+
     long[] mInIdsBuffer;
 
     Script(long id, RenderScript rs) {
@@ -291,7 +359,6 @@ public class Script extends BaseObj {
         mInIdsBuffer = new long[1];
     }
 
-
     /**
      * Only intended for use by generated reflected code.
      *