diff options
| author | Dave Airlie <airlied@redhat.com> | 2016-01-19 02:01:09 +0000 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2016-01-26 12:02:54 -0800 |
| commit | 1fd82c764d5b24107e60f2173e30e5d24a2f2667 (patch) | |
| tree | 29e22111f680b41d39920f15550ed0c429b58748 | |
| parent | e7308b6c77561df44c04f81509f8ada678705d94 (diff) | |
glamor: don't do copy if we have 0 boxes to copy.
This happens if you run twm + mplayer + xclock and drag
the clock over the mplayer. If we don't catch it, we cause
an illegal draw elements command to be passed to GL.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
| -rw-r--r-- | glamor/glamor_copy.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/glamor/glamor_copy.c b/glamor/glamor_copy.c index 028acf239..1adfba0e6 100644 --- a/glamor/glamor_copy.c +++ b/glamor/glamor_copy.c @@ -640,6 +640,9 @@ glamor_copy(DrawablePtr src, Pixel bitplane, void *closure) { + if (nbox == 0) + return; + if (glamor_copy_gl(src, dst, gc, box, nbox, dx, dy, reverse, upsidedown, bitplane, closure)) return; glamor_copy_bail(src, dst, gc, box, nbox, dx, dy, reverse, upsidedown, bitplane, closure); |