From ee7e58e11140e18ebac8dd44f358aa151f1fa880 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Thu, 8 Jun 2006 23:11:35 +0000
Subject: [PATCH] check for invalid mode in glBegin(), bug 7142

---
 src/mesa/tnl/t_vtx_api.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mesa/tnl/t_vtx_api.c b/src/mesa/tnl/t_vtx_api.c
index ed0688965b4..47652282696 100644
--- a/src/mesa/tnl/t_vtx_api.c
+++ b/src/mesa/tnl/t_vtx_api.c
@@ -740,6 +740,11 @@ static void GLAPIENTRY _tnl_Begin( GLenum mode )
 {
    GET_CURRENT_CONTEXT( ctx ); 
 
+   if (mode > GL_POLYGON) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glBegin(mode)");
+      return;
+   }
+
    if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END) {
       /* we're not inside a glBegin/End pair */
       TNLcontext *tnl = TNL_CONTEXT(ctx); 
-- 
2.30.2