From 5c1b53d58de68582c378e28fbb2fe4c0277139a9 Mon Sep 17 00:00:00 2001
From: Brian <brian@yutani.localnet.net>
Date: Wed, 2 May 2007 12:06:43 -0600
Subject: Document a deficiency in the _swrast_Translate() function with regard
 to point size.

---
 src/mesa/tnl/t_vertex.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'src/mesa/tnl')

diff --git a/src/mesa/tnl/t_vertex.c b/src/mesa/tnl/t_vertex.c
index c666b38742..6aae602037 100644
--- a/src/mesa/tnl/t_vertex.c
+++ b/src/mesa/tnl/t_vertex.c
@@ -229,7 +229,15 @@ void _tnl_get_attr( GLcontext *ctx, const void *vin,
 
    /* Else return the value from ctx->Current.
     */
-   _mesa_memcpy( dest, ctx->Current.Attrib[attr], 4*sizeof(GLfloat));
+   if (attr == _TNL_ATTRIB_POINTSIZE) {
+      /* If the hardware vertex doesn't have point size then use size from
+       * GLcontext.  XXX this will be wrong if drawing attenuated points!
+       */
+      dest[0] = ctx->Point._Size;
+   }
+   else {
+      _mesa_memcpy( dest, ctx->Current.Attrib[attr], 4*sizeof(GLfloat));
+   }
 }
 
 
-- 
cgit v1.2.3