From 87f9084df1c8efdb381e4f421a231e5fd850108d Mon Sep 17 00:00:00 2001
From: Yamagi Burmeister <yamagi@yamagi.org>
Date: Wed, 17 Aug 2016 21:12:52 +0200
Subject: [PATCH] Clamp overbright bits in warping surfaces to 1.

They oversaturate otherwise.
---
 src/client/refresh/r_surf.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/client/refresh/r_surf.c b/src/client/refresh/r_surf.c
index 7af09fb9..6af16fff 100644
--- a/src/client/refresh/r_surf.c
+++ b/src/client/refresh/r_surf.c
@@ -453,12 +453,14 @@ R_RenderBrushPoly(msurface_t *fa)
 
 		    0: Old behaviour.
 		    1: No overbright bits on the global scene but correct lightning on
-		       warping surfaces. */
+		       warping surfaces.
+		    2: Overbright bits on the global scene but not on warping surfaces.
+		        They oversaturate otherwise. */
 		if (gl_overbrightbits->value)
 		{
 			R_TexEnv(GL_COMBINE_EXT);
 			R_SelectTexture(GL_TEXTURE1);
-			glTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, gl_overbrightbits->value);
+			glTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, 1);
 		}
 		else
 		{