Seperate Light and Sampler from RenderScript.java
diff --git a/graphics/java/android/renderscript/Light.java b/graphics/java/android/renderscript/Light.java
new file mode 100644
index 0000000..c9196aa
--- /dev/null
+++ b/graphics/java/android/renderscript/Light.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.renderscript;
+
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import android.content.res.Resources;
+import android.os.Bundle;
+import android.util.Config;
+import android.util.Log;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+
+/**
+ * @hide
+ *
+ **/
+public class Light extends BaseObj {
+    Light(int id, RenderScript rs) {
+        super(rs);
+        mID = id;
+    }
+
+    public void destroy() {
+        mRS.nLightDestroy(mID);
+        mID = 0;
+    }
+
+    public void setColor(float r, float g, float b) {
+        mRS.nLightSetColor(mID, r, g, b);
+    }
+
+    public void setPosition(float x, float y, float z) {
+        mRS.nLightSetPosition(mID, x, y, z);
+    }
+
+    public static class Builder {
+        RenderScript mRS;
+        boolean mIsMono;
+        boolean mIsLocal;
+
+        public Builder(RenderScript rs) {
+            mRS = rs;
+            mIsMono = false;
+            mIsLocal = false;
+        }
+
+        public void lightSetIsMono(boolean isMono) {
+            mIsMono = isMono;
+        }
+
+        public void lightSetIsLocal(boolean isLocal) {
+            mIsLocal = isLocal;
+        }
+
+        static synchronized Light internalCreate(RenderScript rs, Builder b) {
+            rs.nSamplerBegin();
+            rs.nLightSetIsMono(b.mIsMono);
+            rs.nLightSetIsLocal(b.mIsLocal);
+            int id = rs.nLightCreate();
+            return new Light(id, rs);
+        }
+
+        public Light create() {
+            return internalCreate(mRS, this);
+        }
+    }
+
+}
+
diff --git a/graphics/java/android/renderscript/ProgramFragment.java b/graphics/java/android/renderscript/ProgramFragment.java
index d98fe03..005fdf6 100644
--- a/graphics/java/android/renderscript/ProgramFragment.java
+++ b/graphics/java/android/renderscript/ProgramFragment.java
@@ -52,7 +52,7 @@
         mRS.nProgramFragmentBindTexture(mID, slot, va.mID);
     }
 
-    public void bindSampler(RenderScript.Sampler vs, int slot) {
+    public void bindSampler(Sampler vs, int slot) {
         mRS.nProgramFragmentBindSampler(mID, slot, vs.mID);
     }
 
diff --git a/graphics/java/android/renderscript/RenderScript.java b/graphics/java/android/renderscript/RenderScript.java
index 50a4494..cae80e9 100644
--- a/graphics/java/android/renderscript/RenderScript.java
+++ b/graphics/java/android/renderscript/RenderScript.java
@@ -201,35 +201,6 @@
         }
     }
 
-    //////////////////////////////////////////////////////////////////////////////////
-    // Element
-
-
-    public enum SamplerParam {
-        FILTER_MIN (0),
-        FILTER_MAG (1),
-        WRAP_MODE_S (2),
-        WRAP_MODE_T (3),
-        WRAP_MODE_R (4);
-
-        int mID;
-        SamplerParam(int id) {
-            mID = id;
-        }
-    }
-
-    public enum SamplerValue {
-        NEAREST (0),
-        LINEAR (1),
-        LINEAR_MIP_LINEAR (2),
-        WRAP (3),
-        CLAMP (4);
-
-        int mID;
-        SamplerValue(int id) {
-            mID = id;
-        }
-    }
 
     //////////////////////////////////////////////////////////////////////////////////
     // Triangle Mesh
@@ -330,80 +301,6 @@
 
 
     //////////////////////////////////////////////////////////////////////////////////
-    // ProgramFragmentStore
-
-    //////////////////////////////////////////////////////////////////////////////////
-    // ProgramFragment
-
-    //////////////////////////////////////////////////////////////////////////////////
-    // Sampler
-
-    public class Sampler extends BaseObj {
-        Sampler(int id) {
-            super(RenderScript.this);
-            mID = id;
-        }
-
-        public void destroy() {
-            nSamplerDestroy(mID);
-            mID = 0;
-        }
-    }
-
-    public void samplerBegin() {
-        nSamplerBegin();
-    }
-
-    public void samplerSet(SamplerParam p, SamplerValue v) {
-        nSamplerSet(p.mID, v.mID);
-    }
-
-    public Sampler samplerCreate() {
-        int id = nSamplerCreate();
-        return new Sampler(id);
-    }
-
-    //////////////////////////////////////////////////////////////////////////////////
-    // Light
-
-    public class Light extends BaseObj {
-        Light(int id) {
-            super(RenderScript.this);
-            mID = id;
-        }
-
-        public void destroy() {
-            nLightDestroy(mID);
-            mID = 0;
-        }
-
-        public void setColor(float r, float g, float b) {
-            nLightSetColor(mID, r, g, b);
-        }
-
-        public void setPosition(float x, float y, float z) {
-            nLightSetPosition(mID, x, y, z);
-        }
-    }
-
-    public void lightBegin() {
-        nLightBegin();
-    }
-
-    public void lightSetIsMono(boolean isMono) {
-        nLightSetIsMono(isMono);
-    }
-
-    public void lightSetIsLocal(boolean isLocal) {
-        nLightSetIsLocal(isLocal);
-    }
-
-    public Light lightCreate() {
-        int id = nLightCreate();
-        return new Light(id);
-    }
-
-    //////////////////////////////////////////////////////////////////////////////////
     // File
 
     public class File extends BaseObj {
diff --git a/graphics/java/android/renderscript/Sampler.java b/graphics/java/android/renderscript/Sampler.java
new file mode 100644
index 0000000..dfeac81
--- /dev/null
+++ b/graphics/java/android/renderscript/Sampler.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.renderscript;
+
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import android.content.res.Resources;
+import android.os.Bundle;
+import android.util.Config;
+import android.util.Log;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+
+/**
+ * @hide
+ *
+ **/
+public class Sampler extends BaseObj {
+    public enum Value {
+        NEAREST (0),
+        LINEAR (1),
+        LINEAR_MIP_LINEAR (2),
+        WRAP (3),
+        CLAMP (4);
+
+        int mID;
+        Value(int id) {
+            mID = id;
+        }
+    }
+
+    Sampler(int id, RenderScript rs) {
+        super(rs);
+        mID = id;
+    }
+
+    public void destroy() {
+        mRS.nSamplerDestroy(mID);
+        mID = 0;
+    }
+
+    public static class Builder {
+        RenderScript mRS;
+        Value mMin;
+        Value mMag;
+        Value mWrapS;
+        Value mWrapT;
+        Value mWrapR;
+
+        public Builder(RenderScript rs) {
+            mRS = rs;
+            mMin = Value.NEAREST;
+            mMag = Value.NEAREST;
+            mWrapS = Value.WRAP;
+            mWrapT = Value.WRAP;
+            mWrapR = Value.WRAP;
+        }
+
+        public void setMin(Value v) {
+            mMin = v;
+        }
+
+        public void setMag(Value v) {
+            mMag = v;
+        }
+
+        public void setWrapS(Value v) {
+            mWrapS = v;
+        }
+
+        public void setWrapT(Value v) {
+            mWrapT = v;
+        }
+
+        public void setWrapR(Value v) {
+            mWrapR = v;
+        }
+
+        static synchronized Sampler internalCreate(RenderScript rs, Builder b) {
+            rs.nSamplerBegin();
+            rs.nSamplerSet(0, b.mMin.mID);
+            rs.nSamplerSet(1, b.mMag.mID);
+            rs.nSamplerSet(2, b.mWrapS.mID);
+            rs.nSamplerSet(3, b.mWrapT.mID);
+            rs.nSamplerSet(4, b.mWrapR.mID);
+            int id = rs.nSamplerCreate();
+            return new Sampler(id, rs);
+        }
+
+        public Sampler create() {
+            return internalCreate(mRS, this);
+        }
+    }
+
+}
+
diff --git a/libs/rs/java/Film/res/raw/filmstrip.c b/libs/rs/java/Film/res/raw/filmstrip.c
index e9c7f28..4e7c37a 100644
--- a/libs/rs/java/Film/res/raw/filmstrip.c
+++ b/libs/rs/java/Film/res/raw/filmstrip.c
@@ -5,15 +5,6 @@
 #pragma stateFragment(PFBackground)
 #pragma stateFragmentStore(PSBackground)
 
-/*
-typedef struct FilmScriptUserEnvRec {
-    RsAllocation tex[13];
-    int32_t triangleOffsets[64];
-    float triangleOffsetsTex[64];
-    int32_t triangleOffsetsCount;
-} FilmScriptUserEnv;
-*/
-
 #define POS_TRANSLATE 0
 #define POS_ROTATE 1
 #define POS_FOCUS 2
@@ -39,9 +30,7 @@
     matrixRotate(mat1, rot, 1.f, 0.f, 0.f);
     storeMatrix(3, 0, mat1);
 
-    //materialDiffuse(con, 0.0f, 0.0f, 0.0f, 1.0f);
-    //materialSpecular(con, 0.5f, 0.5f, 0.5f, 0.5f);
-    //materialShininess(intToFloat(20));
+    // Draw the lighting effect in the strip and fill the Z buffer.
     drawTriangleMesh(NAMED_mesh);
 
 
diff --git a/libs/rs/java/Film/src/com/android/film/FilmRS.java b/libs/rs/java/Film/src/com/android/film/FilmRS.java
index 760beb8..a1b30f9 100644
--- a/libs/rs/java/Film/src/com/android/film/FilmRS.java
+++ b/libs/rs/java/Film/src/com/android/film/FilmRS.java
@@ -33,6 +33,8 @@
 import android.renderscript.Script;
 import android.renderscript.ProgramFragment;
 import android.renderscript.ProgramStore;
+import android.renderscript.Sampler;
+import android.renderscript.Light;
 
 public class FilmRS {
     private final int POS_TRANSLATE = 0;
@@ -74,7 +76,7 @@
     private Script mScriptImage;
     private Element mElementVertex;
     private Element mElementIndex;
-    private RenderScript.Sampler mSampler;
+    private Sampler mSampler;
     private ProgramStore mPSBackground;
     private ProgramStore mPSImages;
     private ProgramFragment mPFBackground;
@@ -92,7 +94,7 @@
     private Allocation mAllocOffsets;
 
     private RenderScript.TriangleMesh mMesh;
-    private RenderScript.Light mLight;
+    private Light mLight;
 
     private FilmStripMesh mFSM;
 
@@ -119,16 +121,12 @@
     }
 
     private void initPF() {
-        mRS.samplerBegin();
-        mRS.samplerSet(RenderScript.SamplerParam.FILTER_MIN,
-                       RenderScript.SamplerValue.LINEAR);//_MIP_LINEAR);
-        mRS.samplerSet(RenderScript.SamplerParam.FILTER_MAG,
-                       RenderScript.SamplerValue.LINEAR);
-        mRS.samplerSet(RenderScript.SamplerParam.WRAP_MODE_S,
-                       RenderScript.SamplerValue.CLAMP);
-        mRS.samplerSet(RenderScript.SamplerParam.WRAP_MODE_T,
-                       RenderScript.SamplerValue.WRAP);
-        mSampler = mRS.samplerCreate();
+        Sampler.Builder bs = new Sampler.Builder(mRS);
+        bs.setMin(Sampler.Value.LINEAR);//_MIP_LINEAR);
+        bs.setMag(Sampler.Value.LINEAR);
+        bs.setWrapS(Sampler.Value.CLAMP);
+        bs.setWrapT(Sampler.Value.WRAP);
+        mSampler = bs.create();
 
         ProgramFragment.Builder b = new ProgramFragment.Builder(mRS, null, null);
 
@@ -143,8 +141,7 @@
     }
 
     private void initPV() {
-        mRS.lightBegin();
-        mLight = mRS.lightCreate();
+        mLight = (new Light.Builder(mRS)).create();
         mLight.setPosition(0, -0.5f, -1.0f);
 
         mRS.programVertexBegin(null, null);
diff --git a/libs/rs/java/Grass/src/com/android/grass/rs/GrassRS.java b/libs/rs/java/Grass/src/com/android/grass/rs/GrassRS.java
index 8852b3c..e9aa3cc 100644
--- a/libs/rs/java/Grass/src/com/android/grass/rs/GrassRS.java
+++ b/libs/rs/java/Grass/src/com/android/grass/rs/GrassRS.java
@@ -17,8 +17,8 @@
 package com.android.grass.rs;
 
 import android.content.res.Resources;
-import static android.renderscript.RenderScript.SamplerParam.*;
-import static android.renderscript.RenderScript.SamplerValue.*;
+import android.renderscript.Sampler;
+import static android.renderscript.Sampler.Value.*;
 import static android.renderscript.ProgramFragment.EnvMode.*;
 import static android.renderscript.ProgramStore.DepthFunc.*;
 import static android.renderscript.ProgramStore.BlendSrcFunc;
@@ -72,7 +72,7 @@
     @SuppressWarnings({"FieldCanBeLocal"})
     private ScriptC mScript;
     @SuppressWarnings({"FieldCanBeLocal"})
-    private RenderScript.Sampler mSampler;
+    private Sampler mSampler;
     @SuppressWarnings({"FieldCanBeLocal"})
     private ProgramFragment mPfBackground;
     @SuppressWarnings({"FieldCanBeLocal"})
@@ -205,12 +205,12 @@
     }
 
     private void createProgramFragment() {
-        mRS.samplerBegin();
-        mRS.samplerSet(FILTER_MIN, LINEAR);
-        mRS.samplerSet(FILTER_MAG, LINEAR);
-        mRS.samplerSet(WRAP_MODE_S, CLAMP);
-        mRS.samplerSet(WRAP_MODE_T, CLAMP);
-        mSampler = mRS.samplerCreate();
+        Sampler.Builder bs = new Sampler.Builder(mRS);
+        bs.setMin(LINEAR);
+        bs.setMag(LINEAR);
+        bs.setWrapS(CLAMP);
+        bs.setWrapT(CLAMP);
+        mSampler = bs.create();
 
         ProgramFragment.Builder b;
         b = new ProgramFragment.Builder(mRS, null, null);
diff --git a/libs/rs/java/Rollo/src/com/android/rollo/RolloRS.java b/libs/rs/java/Rollo/src/com/android/rollo/RolloRS.java
index 9389688..7497a07 100644
--- a/libs/rs/java/Rollo/src/com/android/rollo/RolloRS.java
+++ b/libs/rs/java/Rollo/src/com/android/rollo/RolloRS.java
@@ -26,6 +26,7 @@
 import android.renderscript.ScriptC;
 import android.renderscript.ProgramFragment;
 import android.renderscript.ProgramStore;
+import android.renderscript.Sampler;
 
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
@@ -95,8 +96,8 @@
     private Resources mRes;
     private RenderScript mRS;
     private Script mScript;
-    private RenderScript.Sampler mSampler;
-    private RenderScript.Sampler mSamplerText;
+    private Sampler mSampler;
+    private Sampler mSamplerText;
     private ProgramStore mPSBackground;
     private ProgramStore mPSText;
     private ProgramFragment mPFImages;
@@ -121,27 +122,16 @@
     private Allocation mAllocScratch;
 
     private void initNamed() {
-        mRS.samplerBegin();
-        mRS.samplerSet(RenderScript.SamplerParam.FILTER_MIN,
-                       RenderScript.SamplerValue.LINEAR);//_MIP_LINEAR);
-        mRS.samplerSet(RenderScript.SamplerParam.FILTER_MAG,
-                       RenderScript.SamplerValue.LINEAR);
-        mRS.samplerSet(RenderScript.SamplerParam.WRAP_MODE_S,
-                       RenderScript.SamplerValue.CLAMP);
-        mRS.samplerSet(RenderScript.SamplerParam.WRAP_MODE_T,
-                       RenderScript.SamplerValue.CLAMP);
-        mSampler = mRS.samplerCreate();
+        Sampler.Builder sb = new Sampler.Builder(mRS);
+        sb.setMin(Sampler.Value.LINEAR);//_MIP_LINEAR);
+        sb.setMag(Sampler.Value.LINEAR);
+        sb.setWrapS(Sampler.Value.CLAMP);
+        sb.setWrapT(Sampler.Value.CLAMP);
+        mSampler = sb.create();
 
-        mRS.samplerBegin();
-        mRS.samplerSet(RenderScript.SamplerParam.FILTER_MIN,
-                       RenderScript.SamplerValue.NEAREST);
-        mRS.samplerSet(RenderScript.SamplerParam.FILTER_MAG,
-                       RenderScript.SamplerValue.NEAREST);
-        mRS.samplerSet(RenderScript.SamplerParam.WRAP_MODE_S,
-                       RenderScript.SamplerValue.CLAMP);
-        mRS.samplerSet(RenderScript.SamplerParam.WRAP_MODE_T,
-                       RenderScript.SamplerValue.CLAMP);
-        mSamplerText = mRS.samplerCreate();
+        sb.setMin(Sampler.Value.NEAREST);
+        sb.setMag(Sampler.Value.NEAREST);
+        mSamplerText = sb.create();
 
 
         ProgramFragment.Builder bf = new ProgramFragment.Builder(mRS, null, null);