[cairo] [PATCH] Test compositing alpha-only surfaces

[Andrea Canciani]

In the attachment there is a new test which shows that some backends
(at least quartz, as I'm fixing it) produce incorrect results when
compositing alpha-only sources.
A fix for quartz will come soon.
Andrea Canciani
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0001-test-Add-new-operator-alpha-alpha-test.patch
Type: application/octet-stream
Size: 10533 bytes
Desc: not available
Url : http://lists.cairographics.org/archives/cairo/attachments/20091107/96021592/attachment.obj