Add image computing oriented builtin functions
The new built-in functions covers inverse DCT, ADST and walsh transforms.
Change-Id: Ie7044da4a5becf2cc80d066a258211721a5939d4
diff --git a/scriptc/rs_walsh.rsh b/scriptc/rs_walsh.rsh
new file mode 100644
index 0000000..de058ce
--- /dev/null
+++ b/scriptc/rs_walsh.rsh
@@ -0,0 +1,11 @@
+#ifndef __RS_WALSH_RSH__
+#define __RS_WALSH_RSH__
+
+#if RS_VERSION > 19
+
+extern void walsh4x4(rs_allocation input, rs_allocation dest, int xoff, int yoff);
+extern void walsh4x4_1(rs_allocation input, rs_allocation dest, int xoff, int yoff);
+
+#endif
+
+#endif