3 files changed, 21 insertions, 49 deletions

diff --git a/libs/rs/java/Fall/res/drawable-hdpi/sky.jpg b/libs/rs/java/Fall/res/drawable-hdpi/sky.jpg
index e62868836a6b..2508f0cca340 100644..100755
--- a/libs/rs/java/Fall/res/drawable-hdpi/sky.jpg
+++ b/libs/rs/java/Fall/res/drawable-hdpi/sky.jpg
diff --git a/libs/rs/java/Fall/res/raw/fall.c b/libs/rs/java/Fall/res/raw/fall.c
index 3af3338a46e4..edfc926e2f96 100644
--- a/libs/rs/java/Fall/res/raw/fall.c
+++ b/libs/rs/java/Fall/res/raw/fall.c
@@ -13,7 +13,7 @@
 // limitations under the License.
 
 #pragma version(1)
-#pragma stateVertex(PVLines)
+#pragma stateVertex(PVSky)
 #pragma stateFragment(PFBackground)
 #pragma stateFragmentStore(PFSBackground)
 
@@ -276,32 +276,6 @@ void generateRipples() {
     }
 }
 
-void drawNormals() {
-    int width = loadI32(RSID_STATE, RSID_MESH_WIDTH);
-    int height = loadI32(RSID_STATE, RSID_MESH_HEIGHT);
-
-    float *vertices = loadTriangleMeshVerticesF(NAMED_mesh);
-
-    bindProgramVertex(NAMED_PVLines);
-    color(1.0f, 0.0f, 0.0f, 1.0f);
-
-    int y = 0;
-    for ( ; y < height; y++) {
-        int yOffset = y * width;
-        int x = 0;
-        for ( ; x < width; x++) {
-            int offset = (yOffset + x) * 8;
-            float vx = vertices[offset + 5];
-            float vy = vertices[offset + 6];
-            float vz = vertices[offset + 7];
-            float nx = vertices[offset + 0];
-            float ny = vertices[offset + 1];
-            float nz = vertices[offset + 2];
-            drawLine(vx, vy, vz, vx + nx / 10.0f, vy + ny / 10.0f, vz + nz / 10.0f);
-        }
-    }
-}
-
 float averageZ(float x1, float x2, float y1, float y2, float* vertices,
         int meshWidth, int meshHeight, float glWidth, float glHeight) {
 
@@ -481,16 +455,12 @@ int main(int index) {
     shininess(40.0f);
     bindProgramFragmentStore(NAMED_PFSBackground);
     bindProgramFragment(NAMED_PFLighting);
-    bindProgramVertex(NAMED_PVBackground);
+    bindProgramVertex(NAMED_PVLight);
     drawTriangleMesh(NAMED_mesh);
 
-    bindProgramVertex(NAMED_PVLines);
+    bindProgramVertex(NAMED_PVSky);
     drawLeaves(frameCount);
 
-    if (!isRunning) {
-        drawNormals();
-    }
-
     frameCount++;
     storeI32(RSID_STATE, RSID_FRAME_COUNT, frameCount);
 
diff --git a/libs/rs/java/Fall/src/com/android/fall/rs/FallRS.java b/libs/rs/java/Fall/src/com/android/fall/rs/FallRS.java
index 3e2bdbf7365f..b4f96f301050 100644
--- a/libs/rs/java/Fall/src/com/android/fall/rs/FallRS.java
+++ b/libs/rs/java/Fall/src/com/android/fall/rs/FallRS.java
@@ -27,7 +27,7 @@ import android.renderscript.Sampler;
 import android.renderscript.Element;
 import android.renderscript.Light;
 import static android.renderscript.Sampler.Value.LINEAR;
-import static android.renderscript.Sampler.Value.CLAMP;
+import static android.renderscript.Sampler.Value.WRAP;
 import static android.renderscript.ProgramStore.DepthFunc.*;
 import static android.renderscript.ProgramStore.BlendDstFunc;
 import static android.renderscript.ProgramStore.BlendSrcFunc;
@@ -101,8 +101,8 @@ class FallRS {
     private ProgramFragment mPfSky;
     private ProgramStore mPfsBackground;
     private ProgramStore mPfsLeaf;
-    private ProgramVertex mPvBackground;
-    private ProgramVertex mPvLines;
+    private ProgramVertex mPvLight;
+    private ProgramVertex mPvSky;
     private ProgramVertex.MatrixAllocation mPvOrthoAlloc;
     private Light mLight;
 
@@ -120,6 +120,8 @@ class FallRS {
     private Allocation mGlState;
     private float mGlHeight;
 
+    private final int[] mIntData2 = new int[2];
+
     public FallRS(int width, int height) {
         mWidth = width;
         mHeight = height;
@@ -138,7 +140,7 @@ class FallRS {
         mSampler.destroy();
         mPfBackground.destroy();
         mPfsBackground.destroy();
-        mPvBackground.destroy();
+        mPvLight.destroy();
         mPvOrthoAlloc.mAlloc.destroy();
         for (Allocation a : mTextures) {
             a.destroy();
@@ -148,7 +150,7 @@ class FallRS {
         mLight.destroy();
         mRippleMap.destroy();
         mRefractionMap.destroy();
-        mPvLines.destroy();
+        mPvSky.destroy();
         mPfLighting.destroy();
         mLeaves.destroy();
         mPfsLeaf.destroy();
@@ -353,8 +355,8 @@ class FallRS {
         Sampler.Builder sampleBuilder = new Sampler.Builder(mRS);
         sampleBuilder.setMin(LINEAR);
         sampleBuilder.setMag(LINEAR);
-        sampleBuilder.setWrapS(CLAMP);
-        sampleBuilder.setWrapT(CLAMP);
+        sampleBuilder.setWrapS(WRAP);
+        sampleBuilder.setWrapT(WRAP);
         mSampler = sampleBuilder.create();
 
         ProgramFragment.Builder builder = new ProgramFragment.Builder(mRS, null, null);
@@ -406,20 +408,20 @@ class FallRS {
         ProgramVertex.Builder builder = new ProgramVertex.Builder(mRS, null, null);
         builder.setTextureMatrixEnable(true);
         builder.addLight(mLight);
-        mPvBackground = builder.create();
-        mPvBackground.bindAllocation(mPvOrthoAlloc);
-        mPvBackground.setName("PVBackground");
+        mPvLight = builder.create();
+        mPvLight.bindAllocation(mPvOrthoAlloc);
+        mPvLight.setName("PVLight");
         
         builder = new ProgramVertex.Builder(mRS, null, null);
-        mPvLines = builder.create();
-        mPvLines.bindAllocation(mPvOrthoAlloc);
-        mPvLines.setName("PVLines");
+        mPvSky = builder.create();
+        mPvSky.bindAllocation(mPvOrthoAlloc);
+        mPvSky.setName("PVSky");
     }
 
     void addDrop(float x, float y) {
-        mState.subData1D(RSID_STATE_DROP_X, 2, new int[] {
-                (int) ((x / mWidth) * mMeshWidth), (int) ((y / mHeight) * mMeshHeight)
-        });
+        mIntData2[0] = (int) ((x / mWidth) * mMeshWidth);
+        mIntData2[1] = (int) ((y / mHeight) * mMeshHeight);
+        mState.subData1D(RSID_STATE_DROP_X, 2, mIntData2);
     }
     
     void togglePause() {