hw/display/artist: Fix draw_line() artefacts
The draw_line() function left artefacts on the screen because it was using the
x/y variables which were incremented in the loop before. Fix it by using the
unmodified x1/x2 variables instead.
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: qemu-stable@nongnu.org
Signed-off-by: Helge Deller <deller@gmx.de>
diff --git a/hw/display/artist.c b/hw/display/artist.c
index 8a9fa48..1d87799 100644
--- a/hw/display/artist.c
+++ b/hw/display/artist.c
@@ -553,10 +553,11 @@
}
x++;
} while (x <= x2 && (max_pix == -1 || --max_pix > 0));
+
if (c1)
- artist_invalidate_lines(buf, x, dy+1);
+ artist_invalidate_lines(buf, x1, x2 - x1);
else
- artist_invalidate_lines(buf, y, dx+1);
+ artist_invalidate_lines(buf, y1 > y2 ? y2 : y1, x2 - x1);
}
static void draw_line_pattern_start(ARTISTState *s)
