From 529e48bb0fd53e3a47d01f42c0acfe7faa373912 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Wed, 30 May 2001 14:43:17 +0000
Subject: [PATCH] added test for EXT_fog_coord

---
 src/mesa/main/fog.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/mesa/main/fog.c b/src/mesa/main/fog.c
index a6ebb3e1101..dbb8269bd51 100644
--- a/src/mesa/main/fog.c
+++ b/src/mesa/main/fog.c
@@ -1,4 +1,4 @@
-/* $Id: fog.c,v 1.34 2001/03/12 00:48:37 gareth Exp $ */
+/* $Id: fog.c,v 1.35 2001/05/30 14:43:17 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -141,9 +141,10 @@ _mesa_Fogfv( GLenum pname, const GLfloat *params )
 	 ctx->Fog.Color[3] = params[3];
          break;
       case GL_FOG_COORDINATE_SOURCE_EXT: {
-	 GLenum p = (GLenum)(GLint) *params;
-	 if (p != GL_FOG_COORDINATE_EXT && p != GL_FRAGMENT_DEPTH_EXT) {
-	    _mesa_error( ctx, GL_INVALID_ENUM, "glFog" );
+	 GLenum p = (GLenum) (GLint) *params;
+         if (!ctx->Extensions.EXT_fog_coord ||
+             (p != GL_FOG_COORDINATE_EXT && p != GL_FRAGMENT_DEPTH_EXT)) {
+	    _mesa_error(ctx, GL_INVALID_ENUM, "glFog");
 	    return;
 	 }
 	 if (ctx->Fog.FogCoordinateSource == p)
-- 
2.30.2