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(-)
diff --git a/fb/fbseg.c b/fb/fbseg.c
index 1848387..0e4e0a9 100644
--- 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;
}
}
--
1.7.10.4