From 032851c9ed2de6f969b5570838922953315ff1e4 Mon Sep 17 00:00:00 2001
From: Jaime Passos <lazymyuutsu@gmail.com>
Date: Sat, 25 Jul 2020 02:36:15 -0300
Subject: [PATCH] Don't let GLSL shaders mark the game as modified

---
 src/w_wad.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/w_wad.c b/src/w_wad.c
index e6dedba22..bf689b102 100644
--- a/src/w_wad.c
+++ b/src/w_wad.c
@@ -2088,6 +2088,8 @@ int W_VerifyNMUSlumps(const char *filename)
 		{"YB_", 3}, // Intermission graphics, goes with the above
 		{"M_", 2}, // As does menu stuff
 		{"MUSICDEF", 8}, // Song definitions (thanks kart)
+		{"SHADERS", 7}, // OpenGL shader definitions
+		{"SH_", 3}, // GLSL shader
 
 		{NULL, 0},
 	};