gallium/util: add functions for manipulating swizzles

Some of those have been in drivers already.

1 files changed, 1 insertions, 5 deletions

diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c
index e9e8b277243..927eb5dafc9 100644
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -754,11 +754,7 @@ static unsigned r600_get_swizzle_combined(const unsigned char *swizzle_format,
 	};
 
 	if (swizzle_view) {
-		/* Combine two sets of swizzles. */
-		for (i = 0; i < 4; i++) {
-			swizzle[i] = swizzle_view[i] <= UTIL_FORMAT_SWIZZLE_W ?
-				swizzle_format[swizzle_view[i]] : swizzle_view[i];
-		}
+		util_format_compose_swizzles(swizzle_format, swizzle_view, swizzle);
 	} else {
 		memcpy(swizzle, swizzle_format, 4);
 	}