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author | balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-12-11 22:31:32 +0000 |
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committer | balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-12-11 22:31:32 +0000 |
commit | 0486e8a71462430438a1ac593db0ffe0fb38b9a8 (patch) | |
tree | a1ea02462b2442366efc1e2f7d858514c8f8b125 | |
parent | f5fdd0a855decf395561f49b96ee50aad5b0feaa (diff) |
Fix fragments due to incomplete dirty tracking in CGA mode (Anthony Liguori).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3809 c046a42c-6fe2-441c-8c8c-71466251a162
-rw-r--r-- | vnc.c | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -258,6 +258,13 @@ static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h) 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 (i = 0; i < w; i += 16) vnc_set_bit(vs->dirty_row[y], (x + i) / 16); |