From d641070795fad77561a81b9b4a00a2da11aee3df Mon Sep 17 00:00:00 2001
From: Pavel Rojtberg <rojtberg@gmail.com>
Date: Thu, 29 Aug 2024 02:21:09 +0200
Subject: [PATCH] UnifiedShader: add dFdx, dFdy

---
 Media/Main/OgreUnifiedShader.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Media/Main/OgreUnifiedShader.h b/Media/Main/OgreUnifiedShader.h
index e6e59a97f98..538f53392a4 100644
--- a/Media/Main/OgreUnifiedShader.h
+++ b/Media/Main/OgreUnifiedShader.h
@@ -50,6 +50,8 @@ vec4 textureCubeLod(samplerCube s, vec3 v, float lod) { return texCUBElod(s, vec
 #define mix lerp
 #define fract frac
 #define inversesqrt rsqrt
+#define dFdx ddx
+#define dFdy ddy
 
 float mod(float _a, float _b) { return _a - _b * floor(_a / _b); }
 vec2  mod(vec2  _a, vec2  _b) { return _a - _b * floor(_a / _b); }