From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Wed, 4 Feb 2004 03:00:42 +0000 (+0000)
Subject: fix two-sided lighting / vertex program bug (#887330)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=609f35274c9dcf8607673ec1970efff583c97ed7;p=mesa.git

fix two-sided lighting / vertex program bug (#887330)
---

diff --git a/src/mesa/swrast_setup/ss_context.c b/src/mesa/swrast_setup/ss_context.c
index ef83dd42370..cc30d5a93f5 100644
--- a/src/mesa/swrast_setup/ss_context.c
+++ b/src/mesa/swrast_setup/ss_context.c
@@ -1,9 +1,8 @@
-
 /*
  * Mesa 3-D graphics library
- * Version:  4.1
+ * Version:  6.0.1
  *
- * Copyright (C) 1999-2002  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -37,7 +36,10 @@
 #include "tnl/t_pipeline.h"
 #include "tnl/t_vertex.h"
 
-#define _SWSETUP_NEW_RENDERINDEX (_NEW_POLYGON|_NEW_LIGHT)
+/* Need to check lighting state and vertex program state to know
+ * if two-sided lighting is in effect.
+ */
+#define _SWSETUP_NEW_RENDERINDEX (_NEW_POLYGON|_NEW_LIGHT|_NEW_PROGRAM)
 
 
 GLboolean
diff --git a/src/mesa/swrast_setup/ss_triangle.c b/src/mesa/swrast_setup/ss_triangle.c
index 3a0af5de5eb..39e39126122 100644
--- a/src/mesa/swrast_setup/ss_triangle.c
+++ b/src/mesa/swrast_setup/ss_triangle.c
@@ -1,9 +1,8 @@
-
 /*
  * Mesa 3-D graphics library
- * Version:  3.5
+ * Version:  6.0.1
  *
- * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2002  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -291,7 +290,8 @@ void _swsetup_choose_trifuncs( GLcontext *ctx )
        ctx->Polygon.OffsetFill)
       ind |= SS_OFFSET_BIT;
 
-   if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
+   if ((ctx->Light.Enabled && ctx->Light.Model.TwoSide) ||
+       ctx->VertexProgram.TwoSideEnabled)
       ind |= SS_TWOSIDE_BIT;
 
    /* We piggyback the two-sided stencil front/back determination on the