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-rw-r--r--src/mesa/shader/prog_print.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/shader/prog_print.c b/src/mesa/shader/prog_print.c
index 78ce752f2a..63ff84e345 100644
--- a/src/mesa/shader/prog_print.c
+++ b/src/mesa/shader/prog_print.c
@@ -86,7 +86,7 @@ program_file_string(enum register_file f)
static const char *
swizzle_string(GLuint swizzle, GLuint negateBase, GLboolean extended)
{
- static const char swz[] = "xyzw01";
+ static const char swz[] = "xyzw01?!";
static char s[20];
GLuint i = 0;