From: Xiang, Haihao <haihao.xiang@intel.com>
Date: Fri, 28 Mar 2008 09:32:45 +0000 (+0800)
Subject: i965: depth offset on glPolygonMode(GL_LINE/GL_POINT)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=184cf464f4183a664fa0358fe118735e6fd98afe;p=mesa.git

i965: depth offset on glPolygonMode(GL_LINE/GL_POINT)
---

diff --git a/src/mesa/drivers/dri/i965/brw_clip_unfilled.c b/src/mesa/drivers/dri/i965/brw_clip_unfilled.c
index 918e0001870..57ebf388f58 100644
--- a/src/mesa/drivers/dri/i965/brw_clip_unfilled.c
+++ b/src/mesa/drivers/dri/i965/brw_clip_unfilled.c
@@ -220,8 +220,8 @@ static void apply_one_offset( struct brw_clip_compile *c,
 			  struct brw_indirect vert )
 {
    struct brw_compile *p = &c->func;
-   struct brw_reg pos = deref_4f(vert, c->offset[VERT_RESULT_HPOS]);
-   struct brw_reg z = get_element(pos, 2);
+   struct brw_reg z = deref_1f(vert, c->header_position_offset +
+			       2 * type_sz(BRW_REGISTER_TYPE_F));
 
    brw_ADD(p, z, z, vec1(c->reg.offset));
 }