From 118980e02e59ff31871df59dce257075394f3533 Mon Sep 17 00:00:00 2001
From: Aaditya Dhruv <aadityadhruv@mailbox.org>
Date: Sun, 25 Jan 2026 15:10:37 -0600
Subject: wip

---
 include/cglm/color.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 include/cglm/color.h

(limited to 'include/cglm/color.h')

diff --git a/include/cglm/color.h b/include/cglm/color.h
new file mode 100644
index 0000000..69566ad
--- /dev/null
+++ b/include/cglm/color.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#ifndef cglm_color_h
+#define cglm_color_h
+
+#include "common.h"
+#include "vec3.h"
+
+/*!
+ * @brief averages the color channels into one value
+ *
+ * @param[in]  rgb RGB color
+ */
+CGLM_INLINE
+float
+glm_luminance(vec3 rgb) {
+  vec3 l = {0.212671f, 0.715160f, 0.072169f};
+  return glm_dot(rgb, l);
+}
+
+#endif /* cglm_color_h */
-- 
cgit