From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Sun, 26 Sep 2010 05:17:18 +0000 (+0800)
Subject: i965: enable polygon offset on sandybridge
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3f3059fcc0cfb797830eb5e0755b5b4ec3fd218b;p=mesa.git

i965: enable polygon offset on sandybridge

Depth offset function is moved to SF stage on sandybridge.
---

diff --git a/src/mesa/drivers/dri/i965/gen6_sf_state.c b/src/mesa/drivers/dri/i965/gen6_sf_state.c
index b5984255afa..a0322784685 100644
--- a/src/mesa/drivers/dri/i965/gen6_sf_state.c
+++ b/src/mesa/drivers/dri/i965/gen6_sf_state.c
@@ -87,6 +87,9 @@ upload_sf_state(struct brw_context *brw)
    if ((ctx->Polygon.FrontFace == GL_CCW) ^ render_to_fbo)
       dw2 |= GEN6_SF_WINDING_CCW;
 
+   if (ctx->Polygon.OffsetFill)
+       dw2 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_SOLID;
+
    /* _NEW_SCISSOR */
    if (ctx->Scissor.Enabled)
       dw3 |= GEN6_SF_SCISSOR_ENABLE;