From: Luca Barbieri <luca@luca-barbieri.com>
Date: Mon, 23 Aug 2010 19:43:11 +0000 (+0200)
Subject: auxiliary: fix nvfx/nv50 primitive splitting for line loops
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c0eb479e0782c063a1a781f81b99a18ef649e9ef;p=mesa.git

auxiliary: fix nvfx/nv50 primitive splitting for line loops

s->close_first was on the wrong side of the inequality.

Caught by blender.
Thanks to AndrewR for reporting this.
---

diff --git a/src/gallium/auxiliary/util/u_split_prim.h b/src/gallium/auxiliary/util/u_split_prim.h
index 206e1ec3118..e63a7c1fadd 100644
--- a/src/gallium/auxiliary/util/u_split_prim.h
+++ b/src/gallium/auxiliary/util/u_split_prim.h
@@ -48,7 +48,7 @@ util_split_prim_next(struct util_split_prim *s, unsigned max_verts)
       }
    }
 
-   if (s->p_start + s->close_first + max_verts >= s->p_end) {
+   if ((s->p_end - s->p_start) + s->close_first <= max_verts) {
       s->emit(s->priv, s->p_start, s->p_end - s->p_start);
       if (s->close_first)
          s->emit(s->priv, s->start, 1);