Mesa (ext-provoking-vertex): tnl: fix first provoking vertex bug for line loops

[Brian Paul]

Module: Mesa
Branch: ext-provoking-vertex
Commit: 1f1aa0c20cb7dd0ae14b01f89aaa99cc6eebf919
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1f1aa0c20cb7dd0ae14b01f89aaa99cc6eebf919

Author: Brian Paul <brianp at vmware.com>
Date:   Wed Jun  3 17:28:31 2009 -0600

tnl: fix first provoking vertex bug for line loops

---

 src/mesa/tnl/t_vb_rendertmp.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/mesa/tnl/t_vb_rendertmp.h b/src/mesa/tnl/t_vb_rendertmp.h
index f0da0cd..05d1309 100644
--- a/src/mesa/tnl/t_vb_rendertmp.h
+++ b/src/mesa/tnl/t_vb_rendertmp.h
@@ -148,7 +148,7 @@ static void TAG(render_line_loop)( GLcontext *ctx,
          if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
             RENDER_LINE( ELT(count-1), ELT(start) );
          else
-            RENDER_LINE( ELT(count), ELT(start-1) ); /* XXX check this one */
+            RENDER_LINE( ELT(start), ELT(count-1) );
       }
    }