From 5126582accd4af607184946200f5a937ff8d6b69 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Tue, 10 Mar 2026 21:52:38 +0000
Subject: Replace hacky m4 shader preprocessing with proper glslang version

---
 gfx/gl/shaders/materialInterface.glsl | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'gfx/gl/shaders/materialInterface.glsl')

diff --git a/gfx/gl/shaders/materialInterface.glsl b/gfx/gl/shaders/materialInterface.glsl
index bf78290..926bd6c 100644
--- a/gfx/gl/shaders/materialInterface.glsl
+++ b/gfx/gl/shaders/materialInterface.glsl
@@ -1,9 +1,18 @@
-include(`materialDetail.glsl')
+#ifndef MATERIAL_INTERFACE_INCLUDED
+#define MATERIAL_INTERFACE_INCLUDED
 
-define(INOUT, ifelse(TYPE, .frag, in, out))
+#include "materialDetail.glsl"
+
+#ifdef GL_FRAGMENT_SHADER
+#	define INOUT in
+#else
+#	define INOUT out
+#endif
 
 INOUT vec3 FragPos;
 INOUT vec2 TexCoords;
 INOUT vec3 Normal;
 INOUT vec4 Colour;
 flat INOUT MaterialDetail Material;
+
+#endif
-- 
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