Mesa (ext-provoking-vertex): mesa: fix parity error for tri strips with 1st provoking vertex

[Brian Paul]

Module: Mesa
Branch: ext-provoking-vertex
Commit: ab6508e3993afa35de1472fe8a847427c1749efe
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ab6508e3993afa35de1472fe8a847427c1749efe

Author: Brian Paul <brianp at vmware.com>
Date:   Wed Jun  3 19:52:32 2009 -0600

mesa: fix parity error for tri strips with 1st provoking vertex

---

 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 7f73033..29d2fa8 100644
--- a/src/mesa/tnl/t_vb_rendertmp.h
+++ b/src/mesa/tnl/t_vb_rendertmp.h
@@ -226,7 +226,7 @@ static void TAG(render_tri_strip)( GLcontext *ctx,
          if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
             RENDER_TRI( ELT(j-2+parity), ELT(j-1-parity), ELT(j) );
          else
-            RENDER_TRI( ELT(j), ELT(j-2+parity), ELT(j-1-parity) );
+            RENDER_TRI( ELT(j-1+parity), ELT(j-parity), ELT(j-2) );
       }
    }
    POSTFIX;