added SWIZZLE_XXXX, YYYY, etc. macros

[mesa.git] / src / mesa / shader / program.h

diff --git a/src/mesa/shader/program.h b/src/mesa/shader/program.h
index a0bde0776299d672c455b3cf3597a0936500eaef..5b5d134f6dae6fb3178afb2cedeb81f2a40c6474 100644 (file)
--- a/src/mesa/shader/program.h
+++ b/src/mesa/shader/program.h
@@ -53,6 +53,13 @@
 
 #define MAKE_SWIZZLE4(a,b,c,d) (((a)<<0) | ((b)<<3) | ((c)<<6) | ((d)<<9))
 #define SWIZZLE_NOOP           MAKE_SWIZZLE4(0,1,2,3)
+
+#define SWIZZLE_XYZW MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W)
+#define SWIZZLE_XXXX MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_X)
+#define SWIZZLE_YYYY MAKE_SWIZZLE4(SWIZZLE_Y, SWIZZLE_Y, SWIZZLE_Y, SWIZZLE_Y)
+#define SWIZZLE_ZZZZ MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_Z)
+#define SWIZZLE_WWWW MAKE_SWIZZLE4(SWIZZLE_W, SWIZZLE_W, SWIZZLE_W, SWIZZLE_W)
+
 #define GET_SWZ(swz, idx)      (((swz) >> ((idx)*3)) & 0x7)
 #define GET_BIT(msk, idx)      (((msk) >> (idx)) & 0x1)