tree 60993ca65bc6153f425d42e2283b05027db0a84d
parent d9793fc3ac0986f8665e269ecf993705132d0360
author Arpad Borsos <arpad.borsos@googlemail.com> 1271276792 -0600
committer Brian Paul <brianp@vmware.com> 1271276797 -0600

softpipe: Fix division by zero

This can be triggered by running the cairo tests using the gl backend
and softpipe.

Signed-off-by: Brian Paul <brianp@vmware.com>