Move texture bindings to base program object.  Change ProgramFragment creation to require a texture format in 1.0 mode.
diff --git a/libs/rs/RenderScript.h b/libs/rs/RenderScript.h
index 44ff901..d10eeda 100644
--- a/libs/rs/RenderScript.h
+++ b/libs/rs/RenderScript.h
@@ -158,6 +158,7 @@
 };
 
 enum RsTexEnvMode {
+    RS_TEX_ENV_MODE_NONE,
     RS_TEX_ENV_MODE_REPLACE,
     RS_TEX_ENV_MODE_MODULATE,
     RS_TEX_ENV_MODE_DECAL