From 81e3e24f7f9940c0a2f31d6e519d55857a9fc909 Mon Sep 17 00:00:00 2001
From: Lee Kerley <154285602+ld-kerley@users.noreply.github.com>
Date: Thu, 5 Sep 2024 16:34:43 -0700
Subject: [PATCH] Align smoothstep edge cases with OSL (#1985)

Following a conversation on ASWF slack this PR was posted to OSL refining the edge cases for `smoothstep()`.

https://github.com/AcademySoftwareFoundation/OpenShadingLanguage/pull/1851

This PR aligns the GLSL/MSL code with this change.
---
 libraries/stdlib/genglsl/mx_smoothstep_float.glsl | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libraries/stdlib/genglsl/mx_smoothstep_float.glsl b/libraries/stdlib/genglsl/mx_smoothstep_float.glsl
index 1bca2e4d9b..0b317bdf33 100644
--- a/libraries/stdlib/genglsl/mx_smoothstep_float.glsl
+++ b/libraries/stdlib/genglsl/mx_smoothstep_float.glsl
@@ -1,9 +1,9 @@
 void mx_smoothstep_float(float val, float low, float high, out float result)
 {
-    if (val <= low)
-        result = 0.0;
-    else if (val >= high)
+    if (val >= high)
         result = 1.0;
+    else if (val <= low)
+        result = 0.0;
     else
         result = smoothstep(low, high, val);
 }