From ee26fef07ec4a74c3bf06f6480f34bb23c453624 Mon Sep 17 00:00:00 2001
From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Tue, 27 Feb 2018 22:38:05 +0200
Subject: lib: Add clamp() to igt_aux and use it for ycbcr<->rgb conversion
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Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 lib/igt_aux.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'lib/igt_aux.h')

diff --git a/lib/igt_aux.h b/lib/igt_aux.h
index 9bb03b77..0eb96e44 100644
--- a/lib/igt_aux.h
+++ b/lib/igt_aux.h
@@ -228,6 +228,13 @@ void intel_require_files(uint64_t count);
 	_a > _b ? _a : _b;		\
 })
 
+#define clamp(x, min, max) ({		\
+	typeof(min) _min = (min);	\
+	typeof(max) _max = (max);	\
+	typeof(x) _x = (x);		\
+	_x < _min ? _min : _x > _max ? _max : _x;	\
+})
+
 #define igt_swap(a, b) do {	\
 	typeof(a) _tmp = (a);	\
 	(a) = (b);		\
-- 
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