From: Xiang, Haihao <haihao.xiang@intel.com>
Date: Fri, 4 Jul 2008 01:53:51 +0000 (+0800)
Subject: mesa: fix polygon offset issue (bug #12061)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0c1e96e6d38c0acfd3fe6b4116f2a67f5bf62136;p=mesa.git

mesa: fix polygon offset issue (bug #12061)
---

diff --git a/src/mesa/tnl_dd/t_dd_tritmp.h b/src/mesa/tnl_dd/t_dd_tritmp.h
index 2bb890593b1..1ae70f4059f 100644
--- a/src/mesa/tnl_dd/t_dd_tritmp.h
+++ b/src/mesa/tnl_dd/t_dd_tritmp.h
@@ -267,7 +267,7 @@ static void TAG(triangle)( GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 )
 	    GLfloat bc	= b * ic;
 	    if ( ac < 0.0f ) ac = -ac;
 	    if ( bc < 0.0f ) bc = -bc;
-	    offset += MAX2( ac, bc ) * ctx->Polygon.OffsetFactor;
+	    offset += MAX2( ac, bc ) * ctx->Polygon.OffsetFactor / ctx->DrawBuffer->_MRD;
 	 }
 	 offset *= ctx->DrawBuffer->_MRD * (REVERSE_DEPTH ? -1.0 : 1.0);
       }
@@ -539,7 +539,7 @@ static void TAG(quadr)( GLcontext *ctx,
 	    GLfloat bc	= b * ic;
 	    if ( ac < 0.0f ) ac = -ac;
 	    if ( bc < 0.0f ) bc = -bc;
-	    offset += MAX2( ac, bc ) * ctx->Polygon.OffsetFactor;
+	    offset += MAX2( ac, bc ) * ctx->Polygon.OffsetFactor / ctx->DrawBuffer->_MRD;
 	 }
 	 offset *= ctx->DrawBuffer->_MRD * (REVERSE_DEPTH ? -1.0 : 1.0);
       }