diff --git a/graphics/java/android/renderscript/RenderScript.java b/graphics/java/android/renderscript/RenderScript.java
index db2a3fd..e9f8fe6 100644
--- a/graphics/java/android/renderscript/RenderScript.java
+++ b/graphics/java/android/renderscript/RenderScript.java
@@ -138,16 +138,17 @@
     native void nScriptSetClearDepth(int script, float depth);
     native void nScriptSetClearStencil(int script, int stencil);
     native void nScriptSetTimeZone(int script, byte[] timeZone);
-    native void nScriptSetType(int type, boolean writable, String name, int slot);
     native void nScriptSetRoot(boolean isRoot);
-    native void nScriptSetInvokable(String name, int slot);
     native void nScriptInvoke(int id, int slot);
+    native void nScriptInvokeData(int id, int slot);
+    native void nScriptInvokeV(int id, int slot, byte[] params);
+    native void nScriptSetVarI(int id, int slot, int val);
+    native void nScriptSetVarF(int id, int slot, float val);
+    native void nScriptSetVarV(int id, int slot, byte[] val);
 
     native void nScriptCBegin();
     native void nScriptCSetScript(byte[] script, int offset, int length);
     native int  nScriptCCreate();
-    native void nScriptCAddDefineI32(String name, int value);
-    native void nScriptCAddDefineF(String name, float value);
 
     native void nSamplerBegin();
     native void nSamplerSet(int param, int value);
@@ -229,6 +230,13 @@
     Element mElement_COLOR_U8_4;
     Element mElement_COLOR_F32_4;
 
+    Sampler mSampler_CLAMP_NEAREST;
+    Sampler mSampler_CLAMP_LINEAR;
+    Sampler mSampler_CLAMP_LINEAR_MIP_LINEAR;
+    Sampler mSampler_WRAP_NEAREST;
+    Sampler mSampler_WRAP_LINEAR;
+    Sampler mSampler_WRAP_LINEAR_MIP_LINEAR;
+
     ///////////////////////////////////////////////////////////////////////////////////
     //
 
@@ -293,7 +301,6 @@
                     mRS.mMessageCallback.mID = msg;
                     mRS.mMessageCallback.run();
                 }
-                //Log.d(LOG_TAG, "MessageThread msg " + msg + " v1 " + rbuf[0] + " v2 " + rbuf[1] + " v3 " +rbuf[2]);
             }
             Log.d(LOG_TAG, "MessageThread exiting.");
         }
diff --git a/graphics/java/android/renderscript/Sampler.java b/graphics/java/android/renderscript/Sampler.java
index 40ba722..da83d04 100644
--- a/graphics/java/android/renderscript/Sampler.java
+++ b/graphics/java/android/renderscript/Sampler.java
@@ -51,6 +51,86 @@
         mID = id;
     }
 
+    Sampler mSampler_CLAMP_NEAREST;
+    Sampler mSampler_CLAMP_LINEAR;
+    Sampler mSampler_CLAMP_LINEAR_MIP;
+    Sampler mSampler_WRAP_NEAREST;
+    Sampler mSampler_WRAP_LINEAR;
+    Sampler mSampler_WRAP_LINEAR_MIP;
+
+    public static Sampler CLAMP_NEAREST(RenderScript rs) {
+        if(rs.mSampler_CLAMP_NEAREST == null) {
+            Builder b = new Builder(rs);
+            b.setMin(Value.NEAREST);
+            b.setMag(Value.NEAREST);
+            b.setWrapS(Value.CLAMP);
+            b.setWrapT(Value.CLAMP);
+            rs.mSampler_CLAMP_NEAREST = b.create();
+        }
+        return rs.mSampler_CLAMP_NEAREST;
+    }
+
+    public static Sampler CLAMP_LINEAR(RenderScript rs) {
+        if(rs.mSampler_CLAMP_LINEAR == null) {
+            Builder b = new Builder(rs);
+            b.setMin(Value.LINEAR);
+            b.setMag(Value.LINEAR);
+            b.setWrapS(Value.CLAMP);
+            b.setWrapT(Value.CLAMP);
+            rs.mSampler_CLAMP_LINEAR = b.create();
+        }
+        return rs.mSampler_CLAMP_LINEAR;
+    }
+
+    public static Sampler CLAMP_LINEAR_MIP_LINEAR(RenderScript rs) {
+        if(rs.mSampler_CLAMP_LINEAR_MIP_LINEAR == null) {
+            Builder b = new Builder(rs);
+            b.setMin(Value.LINEAR_MIP_LINEAR);
+            b.setMag(Value.LINEAR_MIP_LINEAR);
+            b.setWrapS(Value.CLAMP);
+            b.setWrapT(Value.CLAMP);
+            rs.mSampler_CLAMP_LINEAR_MIP_LINEAR = b.create();
+        }
+        return rs.mSampler_CLAMP_LINEAR_MIP_LINEAR;
+    }
+
+    public static Sampler WRAP_NEAREST(RenderScript rs) {
+        if(rs.mSampler_WRAP_NEAREST == null) {
+            Builder b = new Builder(rs);
+            b.setMin(Value.NEAREST);
+            b.setMag(Value.NEAREST);
+            b.setWrapS(Value.WRAP);
+            b.setWrapT(Value.WRAP);
+            rs.mSampler_WRAP_NEAREST = b.create();
+        }
+        return rs.mSampler_WRAP_NEAREST;
+    }
+
+    public static Sampler WRAP_LINEAR(RenderScript rs) {
+        if(rs.mSampler_WRAP_LINEAR == null) {
+            Builder b = new Builder(rs);
+            b.setMin(Value.LINEAR);
+            b.setMag(Value.LINEAR);
+            b.setWrapS(Value.WRAP);
+            b.setWrapT(Value.WRAP);
+            rs.mSampler_WRAP_LINEAR = b.create();
+        }
+        return rs.mSampler_WRAP_LINEAR;
+    }
+
+    public static Sampler WRAP_LINEAR_MIP_LINEAR(RenderScript rs) {
+        if(rs.mSampler_WRAP_LINEAR_MIP_LINEAR == null) {
+            Builder b = new Builder(rs);
+            b.setMin(Value.LINEAR_MIP_LINEAR);
+            b.setMag(Value.LINEAR_MIP_LINEAR);
+            b.setWrapS(Value.WRAP);
+            b.setWrapT(Value.WRAP);
+            rs.mSampler_WRAP_LINEAR_MIP_LINEAR = b.create();
+        }
+        return rs.mSampler_WRAP_LINEAR_MIP_LINEAR;
+    }
+
+
     public static class Builder {
         RenderScript mRS;
         Value mMin;
diff --git a/graphics/java/android/renderscript/Script.java b/graphics/java/android/renderscript/Script.java
index 0d21368..632a459 100644
--- a/graphics/java/android/renderscript/Script.java
+++ b/graphics/java/android/renderscript/Script.java
@@ -46,6 +46,15 @@
         mRS.nScriptInvoke(mID, slot);
     }
 
+    protected void invokeData(int slot) {
+        mRS.nScriptInvokeData(mID, slot);
+    }
+
+    protected void invokeV(int slot, FieldPacker v) {
+        mRS.nScriptInvokeV(mID, slot, v.getData());
+    }
+
+
     Script(int id, RenderScript rs) {
         super(rs);
         mID = id;
@@ -53,7 +62,23 @@
 
     public void bindAllocation(Allocation va, int slot) {
         mRS.validate();
-        mRS.nScriptBindAllocation(mID, va.mID, slot);
+        if (va != null) {
+            mRS.nScriptBindAllocation(mID, va.mID, slot);
+        } else {
+            mRS.nScriptBindAllocation(mID, 0, slot);
+        }
+    }
+
+    public void setVar(int index, float v) {
+        mRS.nScriptSetVarF(mID, index, v);
+    }
+
+    public void setVar(int index, int v) {
+        mRS.nScriptSetVarI(mID, index, v);
+    }
+
+    public void setVar(int index, FieldPacker v) {
+        mRS.nScriptSetVarV(mID, index, v.getData());
     }
 
     public void setClearColor(float r, float g, float b, float a) {
@@ -82,71 +107,10 @@
 
     public static class Builder {
         RenderScript mRS;
-        boolean mIsRoot = false;
-        Type[] mTypes;
-        String[] mNames;
-        boolean[] mWritable;
-        int mInvokableCount = 0;
-        Invokable[] mInvokables;
 
         Builder(RenderScript rs) {
             mRS = rs;
-            mTypes = new Type[MAX_SLOT];
-            mNames = new String[MAX_SLOT];
-            mWritable = new boolean[MAX_SLOT];
-            mInvokables = new Invokable[MAX_SLOT];
         }
-
-        public void setType(Type t, int slot) {
-            mTypes[slot] = t;
-            mNames[slot] = null;
-        }
-
-        public void setType(Type t, String name, int slot) {
-            mTypes[slot] = t;
-            mNames[slot] = name;
-        }
-
-        public Invokable addInvokable(String func) {
-            Invokable i = new Invokable();
-            i.mName = func;
-            i.mRS = mRS;
-            i.mSlot = mInvokableCount;
-            mInvokables[mInvokableCount++] = i;
-            return i;
-        }
-
-        public void setType(boolean writable, int slot) {
-            mWritable[slot] = writable;
-        }
-
-        void transferCreate() {
-            mRS.nScriptSetRoot(mIsRoot);
-            for(int ct=0; ct < mTypes.length; ct++) {
-                if(mTypes[ct] != null) {
-                    mRS.nScriptSetType(mTypes[ct].mID, mWritable[ct], mNames[ct], ct);
-                }
-            }
-            for(int ct=0; ct < mInvokableCount; ct++) {
-                mRS.nScriptSetInvokable(mInvokables[ct].mName, ct);
-            }
-        }
-
-        void transferObject(Script s) {
-            s.mIsRoot = mIsRoot;
-            s.mTypes = mTypes;
-            s.mInvokables = new Invokable[mInvokableCount];
-            for(int ct=0; ct < mInvokableCount; ct++) {
-                s.mInvokables[ct] = mInvokables[ct];
-                s.mInvokables[ct].mScript = s;
-            }
-            s.mInvokables = null;
-        }
-
-        public void setRoot(boolean r) {
-            mIsRoot = r;
-        }
-
     }
 
 
diff --git a/graphics/java/android/renderscript/ScriptC.java b/graphics/java/android/renderscript/ScriptC.java
index f5d5b2f..c1ba000 100644
--- a/graphics/java/android/renderscript/ScriptC.java
+++ b/graphics/java/android/renderscript/ScriptC.java
@@ -81,8 +81,6 @@
     public static class Builder extends Script.Builder {
         byte[] mProgram;
         int mProgramLength;
-        HashMap<String,Integer> mIntDefines = new HashMap();
-        HashMap<String,Float> mFloatDefines = new HashMap();
 
         public Builder(RenderScript rs) {
             super(rs);
@@ -133,66 +131,20 @@
 
         static synchronized ScriptC internalCreate(Builder b) {
             b.mRS.nScriptCBegin();
-            b.transferCreate();
 
-            for (Entry<String,Integer> e: b.mIntDefines.entrySet()) {
-                b.mRS.nScriptCAddDefineI32(e.getKey(), e.getValue().intValue());
-            }
-            for (Entry<String,Float> e: b.mFloatDefines.entrySet()) {
-                b.mRS.nScriptCAddDefineF(e.getKey(), e.getValue().floatValue());
-            }
-
+            android.util.Log.e("rs", "len = " + b.mProgramLength);
             b.mRS.nScriptCSetScript(b.mProgram, 0, b.mProgramLength);
 
             int id = b.mRS.nScriptCCreate();
             ScriptC obj = new ScriptC(id, b.mRS);
-            b.transferObject(obj);
-
             return obj;
         }
 
-        public void addDefine(String name, int value) {
-            mIntDefines.put(name, value);
-        }
-
-        public void addDefine(String name, float value) {
-            mFloatDefines.put(name, value);
-        }
-
-        /**
-         * Takes the all public static final fields for a class, and adds defines
-         * for them, using the name of the field as the name of the define.
-         */
-        public void addDefines(Class cl) {
-            addDefines(cl.getFields(), (Modifier.STATIC | Modifier.FINAL | Modifier.PUBLIC), null);
-        }
-
-        /**
-         * Takes the all public fields for an object, and adds defines
-         * for them, using the name of the field as the name of the define.
-         */
-        public void addDefines(Object o) {
-            addDefines(o.getClass().getFields(), Modifier.PUBLIC, o);
-        }
-
-        void addDefines(Field[] fields, int mask, Object o) {
-            for (Field f: fields) {
-                try {
-                    if ((f.getModifiers() & mask) == mask) {
-                        Class t = f.getType();
-                        if (t == int.class) {
-                            mIntDefines.put(f.getName(), f.getInt(o));
-                        }
-                        else if (t == float.class) {
-                            mFloatDefines.put(f.getName(), f.getFloat(o));
-                        }
-                    }
-                } catch (IllegalAccessException ex) {
-                    // TODO: Do we want this log?
-                    Log.d(TAG, "addDefines skipping field " + f.getName());
-                }
-            }
-        }
+        public void addDefine(String name, int value) {}
+        public void addDefine(String name, float value) {}
+        public void addDefines(Class cl) {}
+        public void addDefines(Object o) {}
+        void addDefines(Field[] fields, int mask, Object o) {}
 
         public ScriptC create() {
             return internalCreate(this);