ODROID-U3 xorg-server debian package fork :

[deb_xorg-server.git] / debian / patches / 06_Revert-fb-reorder-Bresenham-error-correction-to-avoi.diff

From 10aaa5d2ffa62df99f03c857dc78e6ff2b33c183 Mon Sep 17 00:00:00 2001
From: Julien Cristau <jcristau@debian.org>
Date: Sun, 30 Sep 2012 12:02:11 +0200
Subject: [PATCH] Revert "fb: reorder Bresenham error correction to avoid
 overshoot."

This reverts commit 3e62f48edf47a59d923ac58b6d4262b02456a556.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=54168
Debian: http://buss.debian.org/688908

Signed-off-by: Julien Cristau <jcristau@debian.org>
---
 fb/fbseg.c |   18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

--- a/fb/fbseg.c
+++ b/fb/fbseg.c
@@ -65,12 +65,6 @@ fbBresSolid(DrawablePtr pDrawable,
     if (axis == X_AXIS) {
         bits = 0;
         while (len--) {
-            if (e >= 0) {
-                WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits));
-                bits = 0;
-                dst += dstStride;
-                e += e3;
-            }
             bits |= mask;
             mask = fbBresShiftMask(mask, signdx, dstBpp);
             if (!mask) {
@@ -80,12 +74,21 @@ fbBresSolid(DrawablePtr pDrawable,
                 mask = mask0;
             }
             e += e1;
+            if (e >= 0) {
+                WRITE(dst, FbDoMaskRRop(READ(dst), and, xor, bits));
+                bits = 0;
+                dst += dstStride;
+                e += e3;
+            }
         }
         if (bits)
             WRITE(dst, FbDoMaskRRop(READ(dst), and, xor, bits));
     }
     else {
         while (len--) {
+            WRITE(dst, FbDoMaskRRop(READ(dst), and, xor, mask));
+            dst += dstStride;
+            e += e1;
             if (e >= 0) {
                 e += e3;
                 mask = fbBresShiftMask(mask, signdx, dstBpp);
@@ -94,9 +97,6 @@ fbBresSolid(DrawablePtr pDrawable,
                     mask = mask0;
                 }
             }
-            WRITE(dst, FbDoMaskRRop(READ(dst), and, xor, mask));
-            dst += dstStride;
-            e += e1;
         }
     }