check for invalid mode in glBegin(), bug 7142

2006-06-08 23:11:35 +00:00
parent a0daa1220f
commit ee7e58e111
1 changed files with 5 additions and 0 deletions
--- 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);