Currently, in the accelerated compositing, the text within the overlay page is only properly rendered on a solid background. This apparently happens due to wrong compositing operation being used when painting the view.
Created attachment 165767 [details] Patch
Comment on attachment 165767 [details] Patch Attachment 165767 [details] did not pass mac-ews (mac): Output: http://queues.webkit.org/results/14027485
Comment on attachment 165767 [details] Patch Attachment 165767 [details] did not pass chromium-ews (chromium-xvfb): Output: http://queues.webkit.org/results/14033398
Comment on attachment 165767 [details] Patch Attachment 165767 [details] did not pass efl-ews (efl): Output: http://queues.webkit.org/results/14032427
Comment on attachment 165767 [details] Patch Attachment 165767 [details] did not pass qt-ews (qt): Output: http://queues.webkit.org/results/14035391
Comment on attachment 165767 [details] Patch Attachment 165767 [details] did not pass cr-android-ews (chromium-android): Output: http://queues.webkit.org/results/14030455
Comment on attachment 165767 [details] Patch Attachment 165767 [details] did not pass gtk-ews (gtk): Output: http://queues.webkit.org/results/14033400
Created attachment 165769 [details] Patch
Committed r129633: <http://trac.webkit.org/changeset/129633>
Reverted r129633 for reason: Breaks inspector overlay in non-composited mode Committed r129755: <http://trac.webkit.org/changeset/129755>
(In reply to comment #10) > > Committed r129755: <http://trac.webkit.org/changeset/129755> Landed a fix at r129757: http://trac.webkit.org/changeset/129757
Reverted r129633 for reason: Causes performance regression whn inspector overlay is displayed Committed r137744: <http://trac.webkit.org/changeset/137744>
Created attachment 179494 [details] Patch
Comment on attachment 179494 [details] Patch Clearing flags on attachment: 179494 Committed r137989: <http://trac.webkit.org/changeset/137989>
All reviewed patches have been landed. Closing bug.