Piping texture names through shader builder.
Fixing uint size_t mismatch.

Change-Id: Ia7c8bd9f829deaa50e1cc381ccd50f29676bbdfb
diff --git a/graphics/java/android/renderscript/Program.java b/graphics/java/android/renderscript/Program.java
index 3f769ee..4d60ac8 100644
--- a/graphics/java/android/renderscript/Program.java
+++ b/graphics/java/android/renderscript/Program.java
@@ -69,6 +69,7 @@
     Element mOutputs[];
     Type mConstants[];
     TextureType mTextures[];
+    String mTextureNames[];
     int mTextureCount;
     String mShader;
 
@@ -111,6 +112,16 @@
     }
 
     /**
+     * @hide
+     */
+    public String getTextureName(int slot) {
+        if ((slot < 0) || (slot >= mTextureCount)) {
+            throw new IllegalArgumentException("Slot ID out of range.");
+        }
+        return mTextureNames[slot];
+    }
+
+    /**
      * Binds a constant buffer to be used as uniform inputs to the
      * program
      *
@@ -180,6 +191,7 @@
         Type mConstants[];
         Type mTextures[];
         TextureType mTextureTypes[];
+        String mTextureNames[];
         int mInputCount;
         int mOutputCount;
         int mConstantCount;
@@ -197,6 +209,7 @@
             mConstantCount = 0;
             mTextureCount = 0;
             mTextureTypes = new TextureType[MAX_TEXTURE];
+            mTextureNames = new String[MAX_TEXTURE];
         }
 
         /**
@@ -300,10 +313,28 @@
          * @return  self
          */
         public BaseProgramBuilder addTexture(TextureType texType) throws IllegalArgumentException {
+            addTexture(texType, "Tex" + mTextureCount);
+            return this;
+        }
+
+        /**
+         * @hide
+         * Adds a texture input to the Program
+         *
+         * @param texType describes that the texture to append it (2D,
+         *                Cubemap, etc.)
+         * @param texName what the texture should be called in the
+         *                shader
+         * @return  self
+         */
+        public BaseProgramBuilder addTexture(TextureType texType, String texName)
+            throws IllegalArgumentException {
             if(mTextureCount >= MAX_TEXTURE) {
                 throw new IllegalArgumentException("Max texture count exceeded.");
             }
-            mTextureTypes[mTextureCount ++] = texType;
+            mTextureTypes[mTextureCount] = texType;
+            mTextureNames[mTextureCount] = texName;
+            mTextureCount ++;
             return this;
         }
 
@@ -317,6 +348,8 @@
             p.mTextureCount = mTextureCount;
             p.mTextures = new TextureType[mTextureCount];
             System.arraycopy(mTextureTypes, 0, p.mTextures, 0, mTextureCount);
+            p.mTextureNames = new String[mTextureCount];
+            System.arraycopy(mTextureNames, 0, p.mTextureNames, 0, mTextureCount);
         }
     }
 
diff --git a/graphics/java/android/renderscript/ProgramFragment.java b/graphics/java/android/renderscript/ProgramFragment.java
index 21bace8..ebc15e5 100644
--- a/graphics/java/android/renderscript/ProgramFragment.java
+++ b/graphics/java/android/renderscript/ProgramFragment.java
@@ -59,6 +59,7 @@
         public ProgramFragment create() {
             mRS.validate();
             int[] tmp = new int[(mInputCount + mOutputCount + mConstantCount + mTextureCount) * 2];
+            String[] texNames = new String[mTextureCount];
             int idx = 0;
 
             for (int i=0; i < mInputCount; i++) {
@@ -76,9 +77,10 @@
             for (int i=0; i < mTextureCount; i++) {
                 tmp[idx++] = ProgramParam.TEXTURE_TYPE.mID;
                 tmp[idx++] = mTextureTypes[i].mID;
+                texNames[i] = mTextureNames[i];
             }
 
-            int id = mRS.nProgramFragmentCreate(mShader, tmp);
+            int id = mRS.nProgramFragmentCreate(mShader, texNames, tmp);
             ProgramFragment pf = new ProgramFragment(id, mRS);
             initProgram(pf);
             return pf;
diff --git a/graphics/java/android/renderscript/ProgramFragmentFixedFunction.java b/graphics/java/android/renderscript/ProgramFragmentFixedFunction.java
index 0ab73c1..cd31db3 100644
--- a/graphics/java/android/renderscript/ProgramFragmentFixedFunction.java
+++ b/graphics/java/android/renderscript/ProgramFragmentFixedFunction.java
@@ -47,6 +47,7 @@
         public ProgramFragmentFixedFunction create() {
             mRS.validate();
             int[] tmp = new int[(mInputCount + mOutputCount + mConstantCount + mTextureCount) * 2];
+            String[] texNames = new String[mTextureCount];
             int idx = 0;
 
             for (int i=0; i < mInputCount; i++) {
@@ -64,9 +65,10 @@
             for (int i=0; i < mTextureCount; i++) {
                 tmp[idx++] = ProgramParam.TEXTURE_TYPE.mID;
                 tmp[idx++] = mTextureTypes[i].mID;
+                texNames[i] = mTextureNames[i];
             }
 
-            int id = mRS.nProgramFragmentCreate(mShader, tmp);
+            int id = mRS.nProgramFragmentCreate(mShader, texNames, tmp);
             ProgramFragmentFixedFunction pf = new ProgramFragmentFixedFunction(id, mRS);
             initProgram(pf);
             return pf;
diff --git a/graphics/java/android/renderscript/ProgramVertex.java b/graphics/java/android/renderscript/ProgramVertex.java
index b3c1bd9..a6cd15b 100644
--- a/graphics/java/android/renderscript/ProgramVertex.java
+++ b/graphics/java/android/renderscript/ProgramVertex.java
@@ -116,6 +116,7 @@
         public ProgramVertex create() {
             mRS.validate();
             int[] tmp = new int[(mInputCount + mOutputCount + mConstantCount + mTextureCount) * 2];
+            String[] texNames = new String[mTextureCount];
             int idx = 0;
 
             for (int i=0; i < mInputCount; i++) {
@@ -133,9 +134,10 @@
             for (int i=0; i < mTextureCount; i++) {
                 tmp[idx++] = ProgramParam.TEXTURE_TYPE.mID;
                 tmp[idx++] = mTextureTypes[i].mID;
+                texNames[i] = mTextureNames[i];
             }
 
-            int id = mRS.nProgramVertexCreate(mShader, tmp);
+            int id = mRS.nProgramVertexCreate(mShader, texNames, tmp);
             ProgramVertex pv = new ProgramVertex(id, mRS);
             initProgram(pv);
             return pv;
diff --git a/graphics/java/android/renderscript/ProgramVertexFixedFunction.java b/graphics/java/android/renderscript/ProgramVertexFixedFunction.java
index 740d6a5..9a43943 100644
--- a/graphics/java/android/renderscript/ProgramVertexFixedFunction.java
+++ b/graphics/java/android/renderscript/ProgramVertexFixedFunction.java
@@ -70,6 +70,7 @@
         public ProgramVertexFixedFunction create() {
             mRS.validate();
             int[] tmp = new int[(mInputCount + mOutputCount + mConstantCount + mTextureCount) * 2];
+            String[] texNames = new String[mTextureCount];
             int idx = 0;
 
             for (int i=0; i < mInputCount; i++) {
@@ -87,9 +88,10 @@
             for (int i=0; i < mTextureCount; i++) {
                 tmp[idx++] = ProgramParam.TEXTURE_TYPE.mID;
                 tmp[idx++] = mTextureTypes[i].mID;
+                texNames[i] = mTextureNames[i];
             }
 
-            int id = mRS.nProgramVertexCreate(mShader, tmp);
+            int id = mRS.nProgramVertexCreate(mShader, texNames, tmp);
             ProgramVertexFixedFunction pv = new ProgramVertexFixedFunction(id, mRS);
             initProgram(pv);
             return pv;
diff --git a/graphics/java/android/renderscript/RenderScript.java b/graphics/java/android/renderscript/RenderScript.java
index d3c801f2..33b6f74 100644
--- a/graphics/java/android/renderscript/RenderScript.java
+++ b/graphics/java/android/renderscript/RenderScript.java
@@ -553,15 +553,15 @@
         validate();
         rsnProgramBindSampler(mContext, vpf, slot, s);
     }
-    native int  rsnProgramFragmentCreate(int con, String shader, int[] params);
-    synchronized int nProgramFragmentCreate(String shader, int[] params) {
+    native int  rsnProgramFragmentCreate(int con, String shader, String[] texNames, int[] params);
+    synchronized int nProgramFragmentCreate(String shader, String[] texNames, int[] params) {
         validate();
-        return rsnProgramFragmentCreate(mContext, shader, params);
+        return rsnProgramFragmentCreate(mContext, shader, texNames, params);
     }
-    native int  rsnProgramVertexCreate(int con, String shader, int[] params);
-    synchronized int nProgramVertexCreate(String shader, int[] params) {
+    native int  rsnProgramVertexCreate(int con, String shader, String[] texNames, int[] params);
+    synchronized int nProgramVertexCreate(String shader, String[] texNames, int[] params) {
         validate();
-        return rsnProgramVertexCreate(mContext, shader, params);
+        return rsnProgramVertexCreate(mContext, shader, texNames, params);
     }
 
     native int  rsnMeshCreate(int con, int[] vtx, int[] idx, int[] prim);