2 files changed, 16 insertions, 0 deletions
diff --git a/graphics/java/android/renderscript/Allocation.java b/graphics/java/android/renderscript/Allocation.java
index 06bfbcf..6c08ce5 100644
--- a/graphics/java/android/renderscript/Allocation.java
+++ b/graphics/java/android/renderscript/Allocation.java
@@ -90,6 +90,18 @@ public class Allocation extends BaseObj {
         subData1D(0, mType.getElementCount(), d);
     }
 
+    public void updateFromBitmap(Bitmap b)
+        throws IllegalArgumentException {
+
+        mRS.validate();
+        if(mType.getX() != b.getWidth() ||
+           mType.getY() != b.getHeight()) {
+            throw new IllegalArgumentException("Cannot update allocation from bitmap, sizes mismatch");
+        }
+
+        mRS.nAllocationUpdateFromBitmap(mID, b);
+    }
+
     public void subData(int xoff, FieldPacker fp) {
         int eSize = mType.mElement.getSizeBytes();
         final byte[] data = fp.getData();
diff --git a/graphics/java/android/renderscript/RenderScript.java b/graphics/java/android/renderscript/RenderScript.java
index 8ad54c9..2774fea 100644
--- a/graphics/java/android/renderscript/RenderScript.java
+++ b/graphics/java/android/renderscript/RenderScript.java
@@ -186,6 +186,10 @@ public class RenderScript {
     synchronized int nAllocationCreateTyped(int type) {
         return rsnAllocationCreateTyped(mContext, type);
     }
+    native void  rsnAllocationUpdateFromBitmap(int con, int alloc, Bitmap bmp);
+    synchronized void nAllocationUpdateFromBitmap(int alloc, Bitmap bmp) {
+        rsnAllocationUpdateFromBitmap(mContext, alloc, bmp);
+    }
     native int  rsnAllocationCreateFromBitmap(int con, int dstFmt, boolean genMips, Bitmap bmp);
     synchronized int nAllocationCreateFromBitmap(int dstFmt, boolean genMips, Bitmap bmp) {
         return rsnAllocationCreateFromBitmap(mContext, dstFmt, genMips, bmp);