Merge change 7724

* changes:
  Remove shadows and invert dx sign in zoomed mode.
diff --git a/libs/rs/java/Rollo/res/raw/rollo.c b/libs/rs/java/Rollo/res/raw/rollo.c
index 08acc5d..0f68372 100644
--- a/libs/rs/java/Rollo/res/raw/rollo.c
+++ b/libs/rs/java/Rollo/res/raw/rollo.c
@@ -32,7 +32,6 @@
     int col;
     int imageID;
     int iconCount;
-    int pressure;
 
     float f = loadF(2, 0);
     pfClearColor(0.0f, 0.0f, 0.0f, f);
@@ -57,48 +56,16 @@
     float diam = 8.f;// + curve * 2.f;
     float scale = 1.0f / zoom;
 
-    pressure = loadI32(0, STATE_PRESSURE);
-    if (pressure) {
-        contextBindProgramFragmentStore(NAMED_PFSShadow);
-
-        // compute the projected shadow
-        float x = loadI32(0, STATE_POS_X) / 1000.f;
-        float y = loadI32(0, STATE_POS_Y) / 1000.f;
-        float s = loadI32(0, STATE_PRESSURE) / 1000.f;
-
-        s = s * 3.f;
-
-        float dxdy1 = (x - 0.5f - s) / (1.001f - y);
-        float dxdy2 = (x - 0.5f + s) / (1.001f - y);
-
-        float xlt = y * dxdy1 + x;
-        float xrt = y * dxdy2 + x;
-
-        float yb = (0.5f - y) * 5.f + 0.2f;
-
-        drawQuad(xlt, 5.f, 1,
-                 xrt, 5.f, 1,
-                 x + s, yb, 1,
-                 x - s, yb, 1);
-
-        contextBindProgramFragmentStore(NAMED_PFS);
-    }
-
-
     rot = rot * scale;
     float rotStep = 20.0f / 180.0f * 3.14f * scale;
-    //pressure = loadI32(0, 2);
     rowCount = 4;
     iconCount = 32;//loadI32(0, 1);
     while (iconCount) {
         float tmpSin = sinf(rot);
         float tmpCos = cosf(rot);
 
-        //tmpCos = tmpCos * curve;
-
         float tx1 = tmpSin * diam - (tmpCos * scale);
         float tx2 = tx1 + (tmpCos * scale * 2.f);
-
         float tz1 = tmpCos * diam + (tmpSin * scale);
         float tz2 = tz1 - (tmpSin * scale * 2.f);
 
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 d434017..eb8189a 100644
--- a/libs/rs/java/Rollo/src/com/android/rollo/RolloRS.java
+++ b/libs/rs/java/Rollo/src/com/android/rollo/RolloRS.java
@@ -70,18 +70,6 @@
         mAllocState.data(mAllocStateBuf);
     }
 
-    public void setShadow(float x, float y, float size) {
-        // x and y are normalized at this point.
-        mAllocStateBuf[STATE_POS_X] = (int)(x * 1000);
-        mAllocStateBuf[STATE_POS_Y] = (int)(y * 1000);
-        mAllocStateBuf[STATE_PRESSURE] = (int)(size * 1000);
-
-        //Log.e("rs","shadow x=" + Integer.toString(mAllocStateBuf[STATE_POS_X]) +
-              //"  y=" + Integer.toString(mAllocStateBuf[STATE_POS_X]) +
-              //"  s=" + Integer.toString(mAllocStateBuf[STATE_PRESSURE]));
-        mAllocState.data(mAllocStateBuf);
-    }
-
     public void setZoom(float z) {
         //Log.e("rs", "zoom " + Float.toString(z));
 
@@ -104,7 +92,6 @@
 
     private RenderScript.Sampler mSampler;
     private RenderScript.ProgramFragmentStore mPFSBackground;
-    private RenderScript.ProgramFragmentStore mPFSShadow;
     private RenderScript.ProgramFragment mPFBackground;
     private RenderScript.ProgramFragment mPFImages;
     private RenderScript.ProgramVertex mPV;
@@ -153,16 +140,6 @@
         mPFSBackground = mRS.programFragmentStoreCreate();
         mPFSBackground.setName("PFS");
 
-        mRS.programFragmentStoreBegin(null, null);
-        mRS.programFragmentStoreDepthFunc(RenderScript.DepthFunc.ALWAYS);
-        mRS.programFragmentStoreDitherEnable(false);
-        mRS.programFragmentStoreDepthMask(true);
-        mRS.programFragmentStoreColorMask(false, false, false, false);
-        mPFSShadow = mRS.programFragmentStoreCreate();
-        mPFSShadow.setName("PFSShadow");
-
-
-
         mPVAlloc = new ProgramVertexAlloc(mRS);
         mRS.programVertexBegin(null, null);
         mRS.programVertexSetTextureMatrixEnable(true);
diff --git a/libs/rs/java/Rollo/src/com/android/rollo/RolloView.java b/libs/rs/java/Rollo/src/com/android/rollo/RolloView.java
index 7df2b85..5f11a1f 100644
--- a/libs/rs/java/Rollo/src/com/android/rollo/RolloView.java
+++ b/libs/rs/java/Rollo/src/com/android/rollo/RolloView.java
@@ -90,7 +90,6 @@
         mRender.setTouch(ret);
 
         if((ny > 0.85f) || mControlMode) {
-            mRender.setShadow(0, 0, 0);
             mFlingMode = false;
 
             // Projector control
@@ -107,7 +106,7 @@
                                 mControlMode = false;
                             }
                         }
-                        mColumn += dx * 3;// * zoom;
+                        mColumn += -dx * 2.3;// * zoom;
                         mColumn += -(mZoom - zoom) * (nx - 0.5f) * 2 * zoom;
                         mZoom = zoom;
 
@@ -155,10 +154,8 @@
                 mFlingMode = true;
                 mFlingX = nx;
                 mFlingY = ny;
-                //mRender.setShadow(nx, ny, ev.getSize());
             } else {
                 mFlingMode = false;
-                mRender.setShadow(nx, ny, 0);
             }
         }