From 9dea871b28ba9a8ef5374b6420aa5dafcd2610e1 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Tue, 11 May 2010 14:23:54 +0000
Subject: xserver git update 11/5/2010

---
 xorg-server/mi/miwideline.c | 80 ++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 71 insertions(+), 9 deletions(-)

(limited to 'xorg-server/mi/miwideline.c')

diff --git a/xorg-server/mi/miwideline.c b/xorg-server/mi/miwideline.c
index 210a6251e..181b12e48 100644
--- a/xorg-server/mi/miwideline.c
+++ b/xorg-server/mi/miwideline.c
@@ -52,6 +52,33 @@ from The Open Group.
 #include "miwideline.h"
 #include "mi.h"
 
+/*
+ * interface data to span-merging polygon filler
+ */
+
+typedef struct _SpanData {
+    SpanGroup	fgGroup, bgGroup;
+} SpanDataRec, *SpanDataPtr;
+
+static void
+AppendSpanGroup(GCPtr pGC, unsigned long pixel, Spans *spanPtr, SpanDataPtr spanData)
+{
+    SpanGroup *group, *othergroup = NULL;
+    if (pixel == pGC->fgPixel)
+    {
+	group = &spanData->fgGroup;
+	if (pGC->lineStyle == LineDoubleDash)
+	    othergroup = &spanData->bgGroup;
+    }
+    else
+    {
+	group = &spanData->bgGroup;
+	othergroup = &spanData->fgGroup;
+    }
+    miAppendSpans (group, othergroup, spanPtr);
+}
+
+
 static void miLineArc(DrawablePtr pDraw, GCPtr pGC,
 		      unsigned long pixel, SpanDataPtr spanData,
 		      LineFacePtr leftFace,
@@ -138,8 +165,31 @@ miFillPolyHelper (DrawablePtr pDrawable, GCPtr pGC, unsigned long pixel,
     while ((left_count || left_height) &&
 	   (right_count || right_height))
     {
-	MIPOLYRELOADLEFT
-	MIPOLYRELOADRIGHT
+	if (!left_height && left_count)
+	{
+	    left_height = left->height;
+	    left_x = left->x;
+	    left_stepx = left->stepx;
+	    left_signdx = left->signdx;
+	    left_e = left->e;
+	    left_dy = left->dy;
+	    left_dx = left->dx;
+	    --left_count;
+	    ++left;
+	}
+
+	if (!right_height && right_count)
+	{
+	    right_height = right->height;
+	    right_x = right->x;
+	    right_stepx = right->stepx;
+	    right_signdx = right->signdx;
+	    right_e = right->e;
+	    right_dy = right->dy;
+	    right_dx = right->dx;
+	    --right_count;
+	    ++right;
+	}
 
 	height = left_height;
 	if (height > right_height)
@@ -157,11 +207,23 @@ miFillPolyHelper (DrawablePtr pDrawable, GCPtr pGC, unsigned long pixel,
 		ppt++;
 		*pwidth++ = right_x - left_x + 1;
 	    }
-    	    y++;
-    	
-	    MIPOLYSTEPLEFT
+	    y++;
+
+	    left_x += left_stepx;
+	    left_e += left_dx;
+	    if (left_e > 0)
+	    {
+		left_x += left_signdx;
+		left_e -= left_dy;
+	    }
 
-	    MIPOLYSTEPRIGHT
+	    right_x += right_stepx;
+	    right_e += right_dx;
+	    if (right_e > 0)
+	    {
+		right_x += right_signdx;
+		right_e -= right_dy;
+	    }
 	}
     }
     if (!spanData)
@@ -178,7 +240,7 @@ miFillPolyHelper (DrawablePtr pDrawable, GCPtr pGC, unsigned long pixel,
     else
     {
 	spanRec.count = ppt - spanRec.points;
-	AppendSpanGroup (pGC, pixel, &spanRec, spanData)
+	AppendSpanGroup (pGC, pixel, &spanRec, spanData);
     }
 }
 
@@ -247,7 +309,7 @@ miFillRectPolyHelper (
 	    y++;
 	}
 	spanRec.count = ppt - spanRec.points;
-	AppendSpanGroup (pGC, pixel, &spanRec, spanData)
+	AppendSpanGroup (pGC, pixel, &spanRec, spanData);
     }
 }
 
@@ -1097,7 +1159,7 @@ miLineArc (
     else
     {
 	spanRec.count = n;
-	AppendSpanGroup (pGC, pixel, &spanRec, spanData)
+	AppendSpanGroup (pGC, pixel, &spanRec, spanData);
     }
 }
 
-- 
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