Add RS support for generic attribs as input to vertex programs.
diff --git a/libs/rs/rsProgram.h b/libs/rs/rsProgram.h
index 25a5434..dc3a57c 100644
--- a/libs/rs/rsProgram.h
+++ b/libs/rs/rsProgram.h
@@ -53,6 +53,10 @@
     const String8 & getAttribName(uint32_t i) const {return mAttribNames[i];}
     const String8 & getUniformName(uint32_t i) const {return mUniformNames[i];}
 
+    String8 getGLSLInputString() const;
+    String8 getGLSLOutputString() const;
+    String8 getGLSLConstantString() const;
+
 protected:
     // Components not listed in "in" will be passed though
     // unless overwritten by components in out.