diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-08-19 09:48:05 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2012-08-19 10:17:21 +0100 |
| commit | 13d1a105159222518800d3c5ad5660725864ec6b (patch) | |
| tree | d3933cd2da8e9d1398cd3f6b0cb90fe7129ea913 /src/sna/fb | |
| parent | a13781d19defc97af6a279c11a85e33ef825020e (diff) | |
sna: compare the correct trailing dword when skipping identical bitmap lines
Fixes regression in 2.20.4 from
commit 85192f00e345830541e3715e211b1f98154bbef4
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed Aug 8 12:11:50 2012 +0100
sna: Ignore trailing bits when comparing lines inside the bitmap
Reported-by: Edward Sheldrake <ejsheldrake@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=53699
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/sna/fb')
| -rw-r--r-- | src/sna/fb/fbbitmap.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/src/sna/fb/fbbitmap.c b/src/sna/fb/fbbitmap.c index bba6ea3e..7c037fe3 100644 --- a/src/sna/fb/fbbitmap.c +++ b/src/sna/fb/fbbitmap.c @@ -88,9 +88,7 @@ fbBitmapToRegion(PixmapPtr pixmap) line += stride; while (y2 < pixmap->drawable.height && memcmp(bits, line, width >> 3) == 0 && - (maskw == 0 || - (bits[width >> (FB_SHIFT - 3)] & maskw) == - (line[width >> (FB_SHIFT - 3)] & maskw))) + (maskw == 0 || (bits[width >> FB_SHIFT] & maskw) == (line[width >> FB_SHIFT] & maskw))) line += stride, y2++; if (READ(bits) & MASK_0) |