From: Dave Airlie <airl...@redhat.com>
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 <airl...@redhat.com>
---
glamor/glamor_copy.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/glamor/glamor_copy.c b/glamor/glamor_copy.c
index 028acf2..1adfba0 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);
--
2.4.3
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