From: Brian Paul <brianp@vmware.com>
Date: Thu, 4 Jun 2009 01:52:32 +0000 (-0600)
Subject: mesa: fix parity error for tri strips with 1st provoking vertex
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ab6508e3993afa35de1472fe8a847427c1749efe;p=mesa.git

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

diff --git a/src/mesa/tnl/t_vb_rendertmp.h b/src/mesa/tnl/t_vb_rendertmp.h
index 7f7303367b7..29d2fa852c4 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;