---
src/mesa/state_tracker/st_extensions.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/mesa/state_tracker/st_extensions.c
b/src/mesa/state_tracker/st_extensions.c
index 47b975b..727fb1a 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -39,6 +39,12 @@
#include "st_extensions.h"
#include "st_format.h"
+
+/*
+ * Note: we use these function rather than the MIN2, MAX2, CLAMP macros to
+ * avoid evaluating arguments (which are often function calls) more than once.
+ */
+
static unsigned _min(unsigned a, unsigned b)
{
return (a < b) ? a : b;
--
1.7.10.4
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