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Fix fragments due to incomplete dirty tracking in CGA mode (Anthony Liguori).

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3809 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2007-12-11 22:31:32 +00:00
parent f5fdd0a855
commit 0486e8a714
1 changed files with 7 additions and 0 deletions
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7
vnc.c
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@ -258,6 +258,13 @@ static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h)
h += y; h += y;
/* round x down to ensure the loop only spans one 16-pixel block per,
iteration. otherwise, if (x % 16) != 0, the last iteration may span
two 16-pixel blocks but we only mark the first as dirty
*/
w += (x % 16);
x -= (x % 16);
for (; y < h; y++) for (; y < h; y++)
for (i = 0; i < w; i += 16) for (i = 0; i < w; i += 16)
vnc_set_bit(vs->dirty_row[y], (x + i) / 16); vnc_set_bit(vs->dirty_row[y], (x + i) / 16);