There are some build breaks when EFL port is compiled without tiled-backing-store or webgl. I disabled WebGL when tiled backing store is disabled because webgl and tiled backing store are coupled tightly. But, I'm not sure if WebGL can be disabled together when tiled backing store is disabled. Please leave any comment about it.
Created attachment 184210 [details] Patch
CC'ing Laszlo and Kenneth, could you take a look this ?
Created attachment 186758 [details] Patch
Sometimes there are bugs related to tiled backing store. I think this patch can help to check if the bugs come from tiled backing store.
Comment on attachment 186758 [details] Patch Attachment 186758 [details] did not pass win-ews (win): Output: http://queues.webkit.org/results/16387193
*** Bug 115686 has been marked as a duplicate of this bug. ***
Nowadays, we always use tiled backing store and this option is removed