Continue es2 shader dev

Conflicts:

	graphics/java/android/renderscript/Program.java
	graphics/java/android/renderscript/ProgramVertex.java
diff --git a/libs/rs/RenderScript.h b/libs/rs/RenderScript.h
index 12ae6e1..44ff901 100644
--- a/libs/rs/RenderScript.h
+++ b/libs/rs/RenderScript.h
@@ -167,6 +167,7 @@
     RS_PROGRAM_PARAM_INPUT,
     RS_PROGRAM_PARAM_OUTPUT,
     RS_PROGRAM_PARAM_CONSTANT,
+    RS_PROGRAM_PARAM_TEXTURE_COUNT,
 };
 
 enum RsPrimitive {